Class / Patent application number | Description | Number of patent applications / Date published |
521143000 | From acyclic mono-unsaturated hydrocarbon as only reactant | 70 |
20080275151 | Durable Foam of Olefin Polymers, Methods of Making Foam and Articles Prepared from Same - Olefin polymer-based, durable, open-cell foam compositions, structures and articles derived from same; methods for preparation of such foams; and use of the dry durable foams in various applications are disclosed. Further described is use of the foams and structures and articles made of same in absorption, filtration, insulation, cushioning and backing applications, and in particular for odor removal, hygiene and medical applications due to, among other properties, good absorption capabilities, softness and/or flexibility of the foams and their recyclable nature. | 11-06-2008 |
20080300332 | MICROPOROUS MATERIAL AND A METHOD OF MAKING SAME - A method for producing a microporous material comprising the steps of: providing an ultrahigh molecular weight polyethylene (UHMWPE); providing a filler; providing a processing plasticizer; adding the filler to the UHMWPE in a mixture being in the range of from about 1:9 to about 15:1 filler to UHMWPE by weight; adding the processing plasticizer to the mixture; extruding the mixture to form a sheet from the mixture; calendering the sheet; extracting the processing plasticizer from the sheet to produce a matrix comprising UHMWPE and the filler distributed throughout the matrix; stretching the microporous material in at least one direction to a stretch ratio of at least about 1.5 to produce a stretched microporous matrix; and subsequently calendering the stretched microporous matrix to produce a microporous material which exhibits improved physical and dimensional stability properties over the stretched microporous matrix. | 12-04-2008 |
20090023827 | METHOD OF PREPARING SHAPE MEMORY MATERIALS STARTING FROM STANDARD THERMOPLASTIC POLYMERS - The present invention concerns method of preparing shape memory materials starting from standard thermoplastic polymers. The present invention further is concerned with products obtained by the methods in accordance with the present invention and the use of these products over a wide variety of applications. | 01-22-2009 |
20090048360 | Cork Substitute - A process and article for use as a substitute for natural cork. The article has a cork substitute material comprising an expanded polyolefin foam having a density of about between 6.6 lb/ft | 02-19-2009 |
20100029796 | PROCESS FOR THE PREPARATION OF AUXETIC FOAMS - A process for the preparation of thermoplastic auxetic foams comprising the steps of: a) taking conventional thermoplastic foam; b) subjecting said foam to at least one process cycle wherein the foam is biaxially compressed and heated; c) optionally subjecting the foam to at least one process cycle wherein the biaxial compression is removed and the foam mechanically agitated prior to reapplying biaxial compression and heating; d) cooling said foam to a temperature below the softening temperature of said foam; and e) removing said compression and heat. | 02-04-2010 |
20100137466 | POLYPROPYLENE RESIN FOAMED BEAD AND MOLDED ARTICLE THEREFORM - Improved polypropylene resin foamed beads that without detriment to the excellence in properties, such as compression properties and heat resistance, characterizing the polypropylene resin foamed beads, can provide a polypropylene resin foamed bead molded article with equal properties by an molding conducted at low heating temperature. There are disclosed polypropylene resin foamed beads composed of a polypropylene resin of 115 to 135° C. melting point and 500 MPa or higher Olsen flexural modulus. The amount of ash at the surface of the foamed beads is 3000 wt. ppm or less (including 0). With respect to the foamed beads, in the first DSC curve obtained by heating 1 to 3 mg of polypropylene resin foamed beads from room temperature to 200° C. at a temperature elevation rate of 10° C./min by the use of a differential scanning calorimeter, there appear not only one or more endothermic peak (Pa) having the peak temperature within a temperature zone not higher than the melting point of the resin but also one or more endothermic peak (Pb) having the peak temperature within a temperature zone exceeding the melting point of the resin and not lower than 130° C. The total calorific value of the endothermic peak (Pb) is in the range of 2 to 12 J/g. Further, there is disclosed a foamed bead molded article obtained by molding the above foamed beads. | 06-03-2010 |
20100204354 | COMPOSITIONS COMPRISING POLYPHOSPHONATES AND ADDITIVES THAT EXHIBIT AN ADVANTAGEOUS COMBINATION OF PROPERTIES, AND METHODS RELATED THERETO - Disclosed are new compositions consisting of polyphosphonates and specific additive compositions that exhibit superior resistance to degradation due to exposure to air, high temperature and air, moisture or combinations thereof. Also disclosed are polymer mixtures or blends comprising these polyphosphonates/additive compositions and commodity and engineering plastics and articles produced therefrom. Further disclosed are articles of manufacture produced from these materials, such as fibers, films, coated substrates, moldings, foams, fiber-reinforced articles, or any combination thereof. | 08-12-2010 |
20100267852 | POLYMERIC FOAM COALESCING AGENT - A coalescing agent for facilitating the separation of a non-aqueous phase from an aqueous phase of an aqueous medium, said agent consisting of particles of a polymeric foam material having: an IFD no. of 40 or higher (i.e. at least 40); a BR no. of 35 or higher (at least 35); a SF no. of 1.8 or higher (i.e. at least 1.8) and a density of 42 kg/m | 10-21-2010 |
20100324162 | FOAM BOARD OF POLYOLEFIN RESIN AND METHOD FOR ITS PRODUCTION - To provide a foam board of a polyolefin resin which has an excellent heat insulating property and sound absorption property, of which a product can be material-recycled and which can continuously be produced at a low cost. | 12-23-2010 |
20110009514 | Silane-Coupled Propylene-Based Polymer and Method - The present disclosure provides propylene-based polymers which exhibit a strain hardening distribution factor that is less than zero and/or a strain hardening factor greater than 1.5. The propylene-based polymers are rheology-modified by way of silane coupling to improve melt strength. | 01-13-2011 |
20110160325 | METHOD FOR PRODUCING A VOID-CONTAINING RESIN MOLDED PRODUCT, AND VOID-CONTAINING RESIN MOLDED PRODUCT - Described is a method for producing a void-containing resin molded product which enables producing a void-containing resin molded product having a high color saturation and an appearance excellent in brightness and heat insulation properties by stretching polymer-molded product containing a single crystalline polymer, and a void-containing resin molded product obtained by the production method. A first aspect of the method for producing a void-containing resin molded product is a method for producing a void-containing resin molded product, the method including: stretching a polymer-molded product containing a single crystalline polymer in at least one axial direction, wherein a yield stress (A) and a stress (L | 06-30-2011 |
20110313071 | Polyethylene molding powder and porous articles made therefrom - The present invention relates to a new molding powder comprising polyethylene polymer particles. The molecular weight of the polyethylene polymer is within the range of from about 600,000 g/mol to about 2,700,000 g/mol as determined by ASTM 4020. The average particle size of the particles of the polyethylene polymer is within the range of from about 5 microns to about 1000 microns and the polyethylene has a powder bulk density in the range of from about 0.10 to about 0.30 g/cc. Also disclosed is a process for molding a shape from a molding powder comprising the inventive polyethylene polymer particles, as well as porous articles made in accordance with the process. The articles have excellent porosity and good strength for porous and porous filtration applications. | 12-22-2011 |
20110319511 | POROUS POLYPROPYLENE FILM AND PRODUCTION METHOD THEREOF - A porous polypropylene film has a number of portions where the quantity of light transmitted through each portion is not smaller than 5 times the average quantity of light transmitted through the film is 0.5 portion or less per 1 m | 12-29-2011 |
20120088858 | Polymer-Fiber Composite Building Material with Bulk and Aesthetically Functional Fillers - Polymer composite roofing materials are provided which contain resin, and about 20-75 wt. % fillers and additives, in which the fillers contain at least one bulk filler for reducing the amount of resin needed to make the roofing material, and at least one aesthetically functional filler for providing the roofing material with an aesthetic appearance. The bulk filler and the aesthetically functional filler of this embodiment are non-toxic, resistant to microbial attack, and have a Mohs hardness of less than about 5. | 04-12-2012 |
20120101180 | POROUS POLYPROPYLENE FILM - Provided is a porous polypropylene film having both air permeability properties and puncture strength. A porous polypropylene film which has an air permeability of 700 seconds/100 ml or less and a puncture strength of 1.5 N or greater, and has β activity can be obtained when the porous polypropylene film is made to have a tensile strength in the machine direction of the film, E | 04-26-2012 |
20120136082 | BINDING AGENTS BASED ON HIGHLY BRANCHED POLYOLEFINS COMPRISING SILANE GROUPS - The invention relates to highly branched polymers (P) comprising at least one silane group, wherein at least one silicon atom carries a hydrolysable group of the general formula (I): R | 05-31-2012 |
20120202905 | NANOSCALE beta NUCLEATING AGENT FOR POLYPROPYLENE - The invention relates to a method for producing a dispersion of nanoscale dicarboxylic acid salts, to the use of these dispersions for producing a compound, and to the use for producing films. The invention further relates to the use of the compounds for producing films. | 08-09-2012 |
20120214890 | POLYPROPYLENE RESIN EXPANDED PARTICLES AND POLYPROPYLENE RESIN IN-MOLD FOAMING MOLDED BODY - Polypropylene resin expanded particles include polypropylene resin as base material resin having at least two melting peaks on a DSC curve, the at least two melting peaks including (i) a lowest-temperature melting peak of 100° C. or more but 130° C. or less and (ii) a highest-temperature melting peak of 140° C. or more but 160° C. or less, so that the expanded particles: produce an in-mold foaming molded product at a very low mold heating steam pressure; exhibit low distortion, low shrinkage, and a wide range of heating condition for molding, even if the mold heating steam pressure is increased; have satisfactory moldability when the expanded particles are molded by using a mold having a complicated shape or a large mold; and maintain properties such as compressive strength, substantially unimpaired, when the expanded particles make the in-mold foaming molded product. | 08-23-2012 |
20120232178 | Surface Free Energy Based Filled Polymer Microporous Films - A microporous membrane may be manufactured using a polymer binder and a filler material using a liquid pore forming agent having a surface free energy that is lower than that of the filler and higher than that of the polymer. The repulsion of the pore forming agent to the polymer may form the pores of the membrane, while the attraction of the polymer to the filler may encapsulate the filler into the structure of the membrane. The filler may be particles that are on the order of or smaller than the wall thickness of the microporous structure. | 09-13-2012 |
20120252918 | Method and composition for insulative composite building material - An insulative and relatively low-weight aggregate building material comprising an expanded plastic polymer and a method of producing the material are provided. The building material resists freeze-thaw damage and is sufficiently strong to be used in most building applications. | 10-04-2012 |
20120329894 | POLYPROPYLENE SERIES RESIN POROUS FILM, BATTERY SEPARATOR AND BATTERY - Regarding a polypropylene series resin porous film having a polypropylene series resin as the main component, so as to exert excellent slipping ability and processability when used as a battery separator, a polypropylene series resin porous film fabricated in such a way that the coefficient of static friction against film is greater than the coefficient of static friction against SUS is proposed. | 12-27-2012 |
20130005845 | MICROPOROUS FILM - To provide a thermoplastic resin microporous film being difficult in longitudinal tearing and excellent in tear resistance; a microporous film comprising a thermoplastic resin, wherein a melt flow rate of the thermoplastic resin in the microporous film is in the range of 0.1 to 2.0 g/10 min, tensile strength in a cross-machine direction is in the range of 5 to 10 MPa and tensile elongation in the cross-machine direction is 300% or more. | 01-03-2013 |
20130023598 | PROPYLENE HOMOPOLYMER HAVING HIGH MELT STRENGTH AND PREPARATION METHOD THEREOF - The present invention provides a process for preparing high melt strength propylene polymer by direct polymerization, comprising that a propylene polymer with wide molecular weight distribution and containing “very high molecular weight fraction” can be prepared by controlling the species and ratios of the external electron donors in the Ziegler-Natta catalyst system at different reaction stages according to the requirment for different molecular weight fractions in the different propylene polymerization stage of the series operation, and said polymer has excellent mechnical properties, especially with very high melt strength. The present invention also provides a propylene homopolymer with high melt strength, comprising the following features: (1) the MFR is 0.2-10 g/10 min at 230° C. with a load of 2.16 kg; (2) the molecular weight distribution M | 01-24-2013 |
20130046039 | PROCESS FOR PREPARING THERMOPLASTIC ELASTOMER COMPOSITION AND MOLDED PRODUCT - The application provides a process for preparing a thermoplastic elastomer composition (F) for injection molding, comprising dynamically heat-treating a thermoplastic elastomer composition (D), which comprises 95 to 5 parts by weight of an ethylene/α-olefin-based copolymer rubber (a), 5 to 95 parts by weight of a propylene/α-olefin random copolymer (b-1) (total of the components (a) and (b-1): 100 parts by weight), and 0 to 200 parts by weight of a softener (c), in the presence of an organic peroxide, wherein a crystallization nucleating agent (e) for olefin-based plastics is added in an amount of 0.01 to 5 parts by weight based on 100 parts by weight of the total of the components (a) and (b-1) before or after the dynamic heat treatment. | 02-21-2013 |
20130046040 | POLYETHYLENE POWDERS AND POROUS ARTICLES PRODUCED THEREFROM - A polyethylene powder has a molecular weight in the range of about 300,000 g/mol to about 2,000,000 g/mol as determined by ASTM-D 4020, an average particle size, D | 02-21-2013 |
20130065979 | LASER-INDUCED PLASTIC FOAMING - A matrix material composed of polymer, preferably of thermoplastic polymer, or coating material. The matrix material includes 0.01 to 50% by weight of an additive for foaming of the matrix material which can be triggered by irradiation with laser light or IR light. The additive includes at least the following constituents: a) at least one absorber material which, embedded or dissolved in the matrix material, absorbs laser light or IR light and brings about local heating in the matrix material at the site of irradiation with laser light or IR light, and b) at least one blowing agent which, when heated due to the irradiation with laser light or IR light to temperatures above 50° C., forms a gas which foams the matrix material by decomposition, chemical conversion or reaction. | 03-14-2013 |
20130072586 | Stabilized Polyolefin Compositions - Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lifes and better oxidative resistance to materials than currently available antioxidants. | 03-21-2013 |
20130090400 | PROCESS FOR PRODUCING HIGH MOLECULAR WEIGHT POLYETHYLENE - In a process for producing polyethylene having a molecular weight of at least 1×10 | 04-11-2013 |
20130116355 | METHOD FOR PREPARING MICROPOROUS POLYOLEFIN FILM WITH IMPROVED PRODUCTIVITY AND EASY CONTROL OF PHYSICAL PROPERTIES - Provided is a method of manufacturing a microporous polyolefin film useable as a battery separator, which is easy to control strength, permeability and shrinking properties of the microporous film and embodies excellent quality uniformity and production stability in fabricating the microporous film. | 05-09-2013 |
20130165542 | GLASS BUBBLES, COMPOSITES THEREFROM, AND METHOD OF MAKING GLASS BUBBLES - The present disclosure provides a plurality of glass bubbles having an average true density of up to about 0.55 grams per cubic centimeter and a size distribution including a median size in a range from about 15 micrometers to 40 micrometers. A hydrostatic pressure at which ten percent by volume of the plurality of glass bubbles collapses is at least about 100 megapascals. In some embodiments, the plurality of glass bubbles is a graded fraction preparable by classifying a second plurality of glass bubbles, wherein the second plurality of glass bubbles has a higher percentage of glass bubbles with a size of up to ten micrometers than the first plurality of glass bubbles. Composites including the plurality of glass bubbles are also disclosed. | 06-27-2013 |
20130210949 | Renewable Polyester Compositions having a Low Density - A thermoplastic composition that contains a rigid renewable polyester and has a voided structure and low density is provided. To achieve such a structure, the renewable polyester is blended with a polymeric toughening additive to form a precursor material in which the toughening additive can be dispersed as discrete physical domains within a continuous matrix of the renewable polyester. The precursor material is thereafter stretched or drawn at a temperature below the glass transition temperature of the polyester (i.e., “cold drawn”). This creates a network of voids located adjacent to the discrete domains, which as a result of their proximal location, can form a bridge between the boundaries of the voids and act as internal structural “hinges” that help stabilize the network and increase its ability to dissipate energy. The present inventors have also discovered that the voids can be distributed in a substantially homogeneous fashion throughout the composition. | 08-15-2013 |
20130245146 | SHEET FOR A SEALING MEMBER OF A SOLAR CELL, AND METHOD FOR PREPARING SAME - Disclosed is a method for preparing a sheet for a sealing member of a solar cell, wherein the sheet has significantly low thermal shrinkage and high flexibility, and a superior capability of discharging bubbles during the manufacture of a solar cell module. The method for preparing a sheet for a sealing member of a solar cell according to the present invention comprises the following steps: (a) preparing a thermal adhesive resin having an olefin-based resin as a main component; (b) pulverizing the thermal adhesive resin and dispersing the resin powder; and (c) heating the thermal adhesive resin powder at a temperature lower than the melting temperature of the resin powder so as to prepare a sheet having a plurality of voids. | 09-19-2013 |
20130245147 | THERMOPLASTIC MOLDING COMPOSITION COMPRISING MICROENCAPSULATED LATENT-HEAT-ACCUMULATOR MATERIAL - A thermoplastic molding composition is provided, which comprises A) from 30 to 90% by weight of at least one thermoplastic polymer, B) from 10 to 70% by weight of microcapsules with a capsule core made of latent-heat-accumulator material and a polymer as capsule wall, where the latent-heat-accumulator material has its solid/liquid phase transition in the temperature range from −20° C. to 120° C., and C) from 0 to 60% by weight of one or more further additive, where each of the percentages by weight is based on the total weight of components A) to C) and these give a total of 100% by weight, obtainable via mixing in the melt of components A), B), and optionally C) in a multiscrew extruder, where the multiscrew extruder comprises, along the direction of conveying, in this sequence, at least one feed zone, one plastifying zone, one homogenizing zone, and one discharge zone, and the feed of the microcapsules B) into the multiscrew extruder takes place at a site after—in the direction of conveying—the plastifying zone. And also a process for producing the composition and uses of the composition for producing fibers, foils, moldings, and foams are provided. | 09-19-2013 |
20130331472 | DEVICE FOR BROADHEAD AND SHARP OBJRCTS - The Broadhead Block is comprised of a closed cell, cross linked, polyethylene foam. The block is cut in the form of a cube that can be held in one's hand while being used. It has multiple sides to allow a number of objects to be secured into each side as desired. The closed cell construction of the polyethylene allows for continued penetrations with a long lasting durability. Thus providing means to loosen or tighten broad heads on the shaft of the arrow, while acting as a protective shield from the sharp blades. It acts as a wrench allowing one to grip the block instead of the sharp or broken broad heads while performing either installation or removal of said blades or broad head points from arrows. | 12-12-2013 |
20140005289 | FLAME-RETARDANT COMPOSITION COMPRISING A PHOSPHONIC ACID DERIVATIVE | 01-02-2014 |
20140011901 | Stabilized Polyolefin Compositions - Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lifes and better oxidative resistance to materials than currently available antioxidants. | 01-09-2014 |
20140011902 | FOAM WATERPROOFING MATERIAL WITH A MICRO CELL STRUCTURE - To be provided is a foam waterproofing material superior in waterproofness and flexible enough to be compatible with further minute clearance. | 01-09-2014 |
20140094533 | ETHYLENE-BASED POLYMERS AND PROCESSES TO MAKE THE SAME - The invention provides a composition comprising a low density polyethylene (LDPE) obtained by free radical polymerization of ethylene, and wherein the LDPE has a GPC-Viscometer parameter “DPP” less than 1.3. | 04-03-2014 |
20140107242 | COMPOSITIONS CONTAINING TETRAFLUOROPROPENE AND CARBON DIOXIDE - Disclosed are compositions useful in a wide variety of applications, including heat transfer fluids which possess a highly desirable and unexpectedly superior combination of properties, and heat transfer systems and methods based on these fluids. The preferred heat transfer fluid comprises from about 1 to about 40 percent, on a weight basis, of carbon dioxide (CO | 04-17-2014 |
20140163126 | POLYPROPYLENE FOR FOAM AND POLYPROPYLENE FOAM - The present invention is concerned with a polypropylene composition comprising a polypropylene base resin, the polypropylene composition having —a XHU content of less than 1.25 wt.-%; —a F30 melt strength of at least 30 cN, determined in the Rheotens test at 200° C.; and —a melt extensibility v30 of at least 200 m/s, determined in the Rheotens test at 200° C. In another aspect the present invention is concerned with a polypropylene composition having an MFR (2.16 kg, 230° C., ISO 1133) of 1.0 to 5.0 g/10 min comprising a polypropylene base resin, the polypropylene base resin being obtainable by producing an intermediate polypropylene having an MFR (2.16 kg, 230° C., ISO 1133) of 0.5 to 2.5 g/10 min in the presence of an asymmetric catalyst; mixing the intermediate polypropylene with peroxide and at least one diene at a temperature of 20 to 90° C. for at least 2 minutes to form a pre-mixed material; melt mixing the pre-mixed material in a melt mixing device at a barrel temperature in the range of 180 to 300° C., whereby the melt mixing device is a melt mixing device includes a feed zone, a kneading zone and a die zone, whereby an initial barrel temperature T1 is maintained in the feed zone, a barrel temperature T2 is maintained in the kneading zone and a die barrel temperature T3 is maintained in the die zone, whereby the barrel temperatures T1, T2, and T3 satisfy the following relation: T106-12-2014 | |
20140171534 | POLYOLEFIN RESIN FOAM PARTICLES AND IN-MOLD FOAMING MOLDED BODY OF SAME - In order to obtain a flame-retardant polyolefin resin expanding molded product which has excellent in-mold moldability and excellent surface appearance and satisfies the FMVSS flammability even if carbon black is added, polyolefin resin particles containing, with respect to 100 parts by weight of polyolefin resin, (i) 0.03 part by weight to 5 parts by weight of phosphorous flame retardant having a phosphorous content of 7% by weight or more, a melting point of 120° C. or more, and a 5% by weight decomposition temperature within a range of 240° C. to 320° C. and (ii) 0.5 part by weight to 20 parts by weight of carbon black are expanded. | 06-19-2014 |
20140243442 | MOULDING OF PLASTIC PARTICULATE MATTER - A method of manufacturing a moulded article from expanded resin particles, the method comprising: placing the particles and a dielectric heat transfer fluid in a mould located between a pair of electrodes; generating a radio-frequency electromagnetic field between the electrodes; applying the electromagnetic field to the mould to dielectrically heat the heat transfer fluid and hence the particles; and heating the particles to a temperature sufficient to cause their surfaces to soften, so that the particles fuse, thereby to form the moulded article as shaped by the mould; preferably, wherein the radio-frequency electromagnetic field has a wavelength greater than an average dimension (or dimensions) of the moulded article. | 08-28-2014 |
20140316024 | COUPLED FLY ASH FILLED POLYMER COMPOUNDS - Thermoplastic compounds are disclosed having functional filler of fly ash particles coupled to the thermoplastic resin via a coupling agent. A coupling agent of functional silane grafts on a backbone of the same polymer or a compatible polymer as the thermoplastic resin causes interaction of the fly ash particles with the thermoplastic resin to enhance physical properties, particularly Notched Izod impact resistance at room temperature and at −40° C. The coupling interface between the fly ash particle and the coupling agent and the thermoplastic resin is so strong that there can be cohesive failure of the fly ash particle before there is adhesive failure of the fly ash particle from the coupling agent in the thermoplastic resin. | 10-23-2014 |
20140329921 | PROCESS FOR PRODUCING HIGH MOLECULAR WEIGHT POLYETHYLENE - In a process for producing polyethylene, ethylene is contacted under polymerization conditions with a slurry of a catalyst composition comprising a particulate support and a Group 4 metal complex of a phenolate ether ligand carried by the support and present in an amount so as to provide about 0.1 to about 35 μιηo | 11-06-2014 |
20150018442 | METHOD FOR PREPARING MICROPOROUS POLYOLEFIN FILM BY THERMALLY-INDUCED PHASE SEPARATION METHOD - The present invention discloses a method for preparing a microporous polyolefin film comprising: a step of injecting a composition comprising polyolefin 30 to 60 wt % and a diluent mixture comprising a diluent, which can make liquid-liquid phase separation with the polyolefin thermodynamically 40 to 70 wt %, into an extruding machine, and melting and kneading thereof to prepare a single phase melt; and a step of extruding the melt while conducting liquid-liquid phase separation by passing through a section having the temperature below the liquid-liquid phase separation temperature and forming thereof in the form of a sheet, and a microporous polyolefin film prepared according to the method. | 01-15-2015 |
20150025166 | METHOD FOR MANUFACTURING PLASTIC DIELECTRIC HAVING HOLES AND PLASTIC DIELECTRIC MANUFACTURED THEREBY - A method for manufacturing a plastic dielectric having a plurality of holes and a plastic dielectric manufactured thereby. The method for manufacturing a plastic dielectric includes the steps of: (a) injecting a plastic material into an airtight container; (b) injecting inert gas into the airtight container at pressure of 5 to 9 MPa; (c) maintaining the temperature inside the airtight container at 20 to 50° C.; (d) leaving the airtight container for a predetermined period till an amount of inert gas dissolved in the plastic material becomes 6% wt or more and drawing the plastic material out of the airtight container; and (e) heating the plastic material at temperature of 40 to 110° C. | 01-22-2015 |
20150045469 | Plastics-Based Manufactured Article and Processes for Forming said Article - An oriented polymer composition (OPC) article comprising a body having a length, which is greater than any perpendicular dimension, comprised of an OPC having a softening temperature, the body having an outer surface extending the length of the body, having polymer strands aligned in the lengthwise direction of the body, wherein the length dimension stability is greater than 99% when tested by heating the article for 24 hours at temperatures at least up to and including 71 degrees Celsius after completion of the manufacture of the article and processes for forming said article. | 02-12-2015 |
20150057386 | THERMOPLASTIC BASED SULPHUR NANOCOMPOSITES - A thermoplastic sulfur-polymer composite comprises a thermoplastic polymer, such as polyethylene and polystyrene; and a sulfur element. Such sulfur element functions as passive sulfur filler in this composite. The thermoplastic polymer is a polymer matrix; and the sulfur filler is dispersed in the polymer matrix. There is no chemical reaction occurs after the addition of the sulfur filler into the host polymer and no chemical bond formed between the polymer and the sulfur filler. The thermoplastic sulfur-polymer composite can be a nanocomposite by either adding certain nanofillers into the composite or making the sulfur filler as sulfur nanoparticles. With its similar physical properties and lower manufacturing costs, the thermoplastic sulfur-polymer composites are good alternatives of the respective pure polymers. | 02-26-2015 |
20150057387 | IN-MOLD FOAM MOLDED BODY COMPRISING POLYPROPYLENE RESIN FOAM PARTICLES AND METHOD FOR PRODUCING SAME - An in-mold foaming molded product having a thin wall part of the present invention contains expanded polypropylene resin particles. The expanded polypropylene resin particles include a polypropylene resin composition that contains an aliphatic diethanolamine fatty acid ester and an aliphatic diethanolamine in a total amount of not less than 0.1 part by weight but not greater than 5 parts by weight with respect to 100 parts by weight of polypropylene resin. | 02-26-2015 |
20150291755 | Articles Comprising Broad Molecular Weight Distribution Polypropylene Resins - Disclosed herein are molded articles, foamed articles, and foamable resins comprising a polypropylene resin comprising at least 50 mol % propylene, an MWD (Mw/Mn) of greater than 5, a branching index (g′) of at least 0.95, and a melt strength of at least 20 cN determined using an extensional rheometer at 190° C. Methods of making a molded article and making a foamed article are also disclosed. | 10-15-2015 |
20150307639 | High Melt Strength Polypropylene and Methods of Making Same - A high melt strength polypropylene is formed using maleated polypropylene and a combination of coupling agents and acid neutralizers. The maleated polypropylene can be formed using multi-functional monomers. The high melt strength polypropylene can be useful for foaming, sheet extrusion thermoforming, extrusion blow molding, extrusion coating, fiber, film, and the like. | 10-29-2015 |
20160017144 | PROCESS AND COMPOSITION FOR WELL DISPERSED, HIGHLY LOADED COLOR MASTERBATCH - A highly loaded and well-dispersed masterbatch composition and process for making thereof from a split stream process. The masterbatch composition includes a colorant, a thermoplastic carrier, a metallocene polymer processing aid, and optionally an additive. The split stream may be formed of a primary feed and a secondary feed. The primary and second feeds are combined by at least one of the following: supplying the secondary feed in either the same feed port as the primary feed, in a stream located upstream the primary feed, in a stream located downstream the primary feed, or a combination thereof. | 01-21-2016 |
20160039980 | METHOD FOR MODIFYING POLYOLEFIN TO INCREASE LONG CHAIN BRANCHING - A method of modifying polyolefin to have long chain branching comprising mixing polyolefin and a photoinitiator and irradiating the mixture with UV radiation. The modified polyolefin of the method and the use of said modified polyolefin. | 02-11-2016 |
20160090476 | LOW DENSITY ETHYLENE-BASED POLYMER COMPOSITIONS WITH HIGH MELT STRENGTH AND MID-HIGH DENSITY CONTROL - The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and a second ethylene-based polymer, formed by a high pressure, free-radical polymerization process, such composition comprising the following properties: a) a melt index (12) from 2.0 to 10 dg/min; b) a density from 0.922 to 0.935 g/cc; and wherein the second ethylene-based Hyper polymer is present in an amount from 60 to 95 weight percent, based on the sum of the weight of the first polymer and the second polymer; and wherein the second ethylene-based polymer has a density greater than, or equal to, 0.924 g/cc; and wherein the first ethylene-based polymer has a melt index less than 2.5 dg/min | 03-31-2016 |
20160126518 | CROSSLINKED POLYOLEFIN SEPARATOR AND METHOD OF PREPARING THE SAME - Disclosed is a method of preparing a crosslinked polyolefin separator including preparing a silane grafted polyolefin solution using a polyolefin having a weight average molecular weight higher than or equal to 200,000, a diluent, an alkoxy group containing vinylsilane, and an initiator, forming the silane grafted polyolefin solution in a sheet shape and stretching, extracting the diluent from the stretched sheet to produce a porous membrane, and crosslinking the porous membrane in the presence of water, and a crosslinked polyolefin separator. | 05-05-2016 |
20190144628 | COMPOSITIONS CONTAINING TETRAFLUOROPROPENE AND CARBON DIOXIDE | 05-16-2019 |
521144000 | Interpolymer | 14 |
20080207789 | Porous linear polymer composition - A porous polymer composition including plural linear mixed polarity polymer particles, wherein the particles include a linear poly[(non-polar olefin)-(polar olefin)] and at least one pore, is disclosed, as are those particles further including a catalytic component. A method of forming the plural linear mixed polarity polymer particles is also disclosed. A method of using plural linear mixed polarity polymer particles which include a catalytic component to catalyze polymerization is further disclosed. A porous polymer composition including plural linear non-polar polymer particles and a catalytic component is further disclosed, along with a method of making those linear non-polar polymer particles including the catalytic component and a method of using them to catalyze polymerization. | 08-28-2008 |
20100076102 | COMPOSITE RESIN - The invention relates to a composite comprising a thermosetting resin with a hardness of at least 55 Shore D, wherein the resin essentially consists of an ethylene α-olefin copolymer with a density of less than 880 kg/m3, which resin is crosslinked to a degree such that the volume swelling measured in decaline after 64 hours at 23° C. is less than 50% by volume on the composite and the composite contains at least 40% by volume of a reinforcing filler, wherein the vol % of the filler is related to the volume of the resin. The composite according to the invention is an excellent isolator when at least 100 phr cork are present in the composite. A composite according to the invention can be made by crosslinking of the copolymer in the presence of a high amount of peroxide in the presence of at least 40% by volume on the resin of a filler. | 03-25-2010 |
20100113637 | IRRADIATED POLYOLEFIN COMPOSITION COMPRISING A NON-PHENOLIC STABILIZER - The present subject matter relates generally to polymer compositions, and more particularly to irradiated polymer compositions comprising at least one non-phenolic stabilizer. The present polymer compositions comprise an unexpected balance of properties after being subjected to irradiation treatments, including an unexpected combination of a lower melt flow rate ratio (MFR | 05-06-2010 |
20100240784 | Polyolefin Thermoplastic Vulcanizate Elastomers - Thermoplastic vulcanizate elastomer obtained by dynamic vulcanization of a heterophasic polyolefin composition in presence of at least
| 09-23-2010 |
20110098373 | OPEN CELL FOAM AND MANUFACTURE OF OPEN CELL FOAM PRODUCTS - A foam form sheet material having a first large surface comprising substantially only closed cells and an opposite large surface and an interior comprising substantially only open cells. This material comprises a cross linked olefin thermoplastic polymer or copolymer. The foam is made by mixing the polymer with a blowing agent and a cross linking agent. The mixture is maintained in a two roll mill means for a time sufficient to initiate cross linking and to initiate foaming to form closed cells. The sheet material is then disposed in a second two roll mill means having a nip that is larger than the thickness of the foamed sheet material and maintained under elevated temperature and pressure sufficient to initiate further cross linking and foaming. The fully cross linked cell foam is then compressed to rupture the closed cells that are disposed in the interior to form open cells. | 04-28-2011 |
20110172322 | Branched Low and Medium Density Polyethylene - The invention relates to a long chain branched medium and low density polyethylene having a combination of the following properties: a) a density of from 0.910 to 0.945 g/cm | 07-14-2011 |
20120046373 | Phylon Processes of Making Foam Articles Comprising Ethylene/alpha-Olefins Block Interpolymers - Methods of making a foam article comprise the steps of compressing a foam at an elevated temperature in a mold for shaping the foam; and cooling the mold to a temperature greater than room temperature, wherein the foam comprises at least one ethylene/α-olefin block interpolymer. The foam may further comprise an ethylene vinyl acetate copolymer and an additive such as a filler or a crosslinking agent. The ethylene/α-olefin block interpolymers are a multi-block copolymer comprising at least one soft block and at least one hard block. | 02-23-2012 |
20120123006 | RESIN COMPOSITION FOR CROSSLINKING/FOAM MOLDING, CROSSLINKED MOLDED FOAM, MEMBER FOR FOOTWEAR, AND FOOTWEAR - Disclosed is a resin composition for crosslinking/foam molding which comprises a resin ingredient, a blowing agent, and a crosslinking agent, wherein the resin ingredient is an ethylene/α-olefin copolymer that comprises monomer units based on ethylene and monomer units based on an α-olefin having 3 to 20 carbon atoms and satisfies all of the following: (1) to have a density of 860-950 kg/m | 05-17-2012 |
20120283347 | EXPANDED PARTICLE OF NONCROSSLINKED POLYETHYLENE-BASED RESIN AND EXPANSION MOLDED ARTICLE OF NONCROSSLINKED POLYETHYLENE-BASED RESIN - A noncrosslinked polyethylene resin expanded particle is provided having a bulk density in a range of 10 g/L to 100 g/L, the particle being obtained by expanding a polyethylene resin particle whose density is in a range of 0.920 g/cm | 11-08-2012 |
20130053465 | ETHYLENE/ALPHA-OLEFIN COPOLYMER FOR FOAM PRODUCTION, RESIN COMPOSITION FOR FOAM PRODUCTION, AND METHOD FOR PRODUCING FOAM - The ethylene-α-olefin copolymer contains monomer units derived from ethylene and monomer units derived from an α-olefin having 3 to 20 carbon atoms for producing a foam. The ethylene-α-olefin copolymer has a melt flow rate of 0.1 to 100 g/10 minutes, a density of 850 to 940 kg/m | 02-28-2013 |
20130116356 | DURABLE FOAM OF OLEFIN POLYMERS, METHODS OF MAKING FOAM AND ARTICLES PREPARED FROM SAME - Olefin polymer-based, durable, open-cell foam compositions, structures and articles derived from same; methods for preparation of such foams; and use of the dry durable foams in various applications are disclosed. Further described is use of the foams and structures and articles made of same in absorption, filtration, insulation, cushioning and backing applications, and in particular for odor removal, hygiene and medical applications due to, among other properties, good absorption capabilities, softness and/or flexibility of the foams and their recyclable nature. | 05-09-2013 |
20130310476 | EXPANDED POLYPROPYLENE RESIN PARTICLES, AND POLYPROPYLENE RESIN IN-MOLD-EXPANDED MOLDING - Polypropylene resin expanded particles comprising: a polypropylene resin as a base material resin, the propylene resin having at least two melting peaks on a DSC curve for a second temperature rise measured at a heating rate of 10 g/min with use of a heat flux differential scanning calorimeter (DSC), the at least two melting peaks including (i) a lowest temperature melting peak of not lower than 100° C. and not higher than 130° C. and (ii) a highest temperature melting peak of not lower than 140° C. and not higher than 160° C., the propylene resin having a resin DSC ratio change rate of 0.5%/° C. to 3.0%/° C., the expanded particles having two melting peaks in a DSC measurement made at a first temperature rise at the heating rate of 10 g/min, the two melting peaks including, (i) on a lower temperature side, a melting peak temperature of not lower than 100° C. and not higher than 130° C. and, (ii) on a higher temperature side, a melting peak temperature of not lower than 140° C. and not higher than 160° C. allow an in-mold foaming molded product to be produced of expanded particles that (i) have only a small change in expanded particle DSC ratio, the change corresponding to a change in foaming temperature, (ii) allow production of an in-mold foaming molded product at a very low mold heating steam pressure, (iii) exhibit low distortion, low shrinkage, and a wide range of heating conditions for molding, even if the mold heating steam pressure is increased, (iv) indicate a satisfactory moldability even in a case where the expanded particles are molded with use of, for example, a mold having a complicated shape, a large mold, and (v) keep its properties such as compressive strength, without being impaired largely, in a case where the polypropylene resin expanded particles are used to prepare an in-mold foaming molded product. | 11-21-2013 |
20140128490 | FOAM RUBBER MATERIAL FOR WEATHER STRIP - The present invention relates to a foam rubber material for a weather strip comprising a crosslinked rubber sponge material having a load value ratio satisfying the following relationship: | 05-08-2014 |
20150133575 | PROCESS FOR THE POLYMERISATION OF ETHYLENE - The invention relates to a process for the production of polyethylene. The polymerisation takes place in the presence of a catalyst system comprising a hydrocarbon solution containing 1) a dialkoxy magnesium compound and 2) an organic oxygen containing titanium compound further comprising an inorganic oxide support and an activator. | 05-14-2015 |