Class / Patent application number | Description | Number of patent applications / Date published |
264328170 | Pretreatment or preparation of charge material | 41 |
20080211139 | Ethylene-vinyl acetate copolymer of increased mechanical properties - Solution blending of masterbatch of cationically functionalized polyvinyl acetate copolymer/silicate nanocomposite where the silicate is substantially exfoliated, and ethylene-vinyl acetate copolymer (EVA), produces product of increased tensile strength and Young's Modulus compared to neat EVA and reduced flammability compared to neat EVA. The product can be injection molded or compression molded or extruded without loss of these advantages. | 09-04-2008 |
20090033001 | Manufacture of resin-coated carbon nanomaterial - A method for manufacturing a resin-coated carbon nanomaterial whereby an ultrasonic stirring method can be applied even for polycarbonate. A poly-carbonate resin is dissolved in a first organic solvent primarily composed of tetrahydrofuran, and an additive and a carbon nanomaterial are added to the solution, whereby a carbon nanomaterial coated by the polycarbonate resin is obtained. The polycarbonate resin alone cannot withstand ultrasonic stirring, but accompanying the polycarbonate resin with the carbon nanomaterial enables ultrasonic stirring to be applied. | 02-05-2009 |
20090108499 | Method of Recycling Filter Media - A method of recycling spent filter media is disclosed. The method can include providing a cloth, the cloth being spent polymer-base filter media, removing foreign solid particles from the cloth, washing the cloth, drying the cloth and processing the dried cloth to produce polymer-base particles that can be used to produce a component. The processing of the dried cloth can include densifying and/or granulating the dried cloth. In addition, the spent cloth can have been used as metal working filtration media and the foreign solid particles removed from the cloth using a brush. In some instances, the cloth is washed using a dry cleaning process and the granulating or densifying of the cloth produces particles that can be used in an injection molding machine. | 04-30-2009 |
20090315219 | SCREW DESIGNS HAVING IMPROVED PERFORMANCE WITH LOW MELTING PET RESINS - Disclosed is a process for a melt processing a polyethylene terephthalate resin characterized by one or more of the following. The polyester particles may have at least two melting peaks wherein one of the at least two melting peaks is a low peak melting point with a range from 140° C. to 220° C., or from 140° C. to 230° C., and having a melting endothermic area of at least the absolute value of 1 J/g. The polyester particles may have one or more melting peaks at least one of which when measured on a DSC first heating scan has a heating curve departing from a baseline in the endothermic direction at a temperature of less than or equal to 200° C. The polyester particles may have an It.V. at their surface which is less than 0.25 dL/g higher than the It.V. at their center. The polyester particles may have not been solid stated. The melt processing device comprises a screw with a total length, L, a feed zone length in the range from 0.16L and 0.45L, a taper angle, φ, in the range from 0.5 degrees and 5.0 degrees and a compression ratio, CR, in the range from 2.0 and 5.0. | 12-24-2009 |
20100155997 | METHOD FOR PRODUCING NON-FOAMED MOLDED BODY AND NON-FOAMED MOLDED BODY - Provided are a process for efficiently producing a non-foamed molded body by impregnating an amorphous thermoplastic resin with 0.3 to 3.0% by mass of carbon dioxide and/or 0.05 to 1.0% by mass of nitrogen and then supplying the amorphous thermoplastic resin thus obtained which is impregnated with carbon dioxide and/or nitrogen to an uppermost stream part of a cylinder in an injection molding machine and molding it and a non-foamed molded body produced thereby. | 06-24-2010 |
20100201037 | PROCESS FOR PRODUCTION OF INJECTION-MOLDED ARTICLE OF POLYLACTIC ACID RESIN - A method of manufacturing a polylactic acid resin injection molded article, having the step (1): a step of melt-kneading a polylactic acid resin composition containing a polylactic acid resin and a specified organic crystal nucleus agent, while contacting the composition with a supercritical fluid; and step (2): a step of filling the melted product obtained in step (1) in a die to mold with injection-molding. The manufacturing method of the present invention is used as an advantageous technique as compared with the technique of achieving satisfactory moldability by the addition of plasticizer in the field, for example, which requires a polylactic acid resin molded article having high rigidity. | 08-12-2010 |
20110049763 | Method and Device for Injection Molding Plastic Material - The present invention relates to a method and to a device for injection molding plastic material, wherein the starting plastic material to be treated is first subjected to a pretreatment, wherein the plastic material is heated in a receiving container at a temperature below the melting temperature while constantly being mixed, and thereby at the same time is crystallized, dried and/or cleaned and/or the intrinsic viscosity thereof is increased. According to the invention, the plastic material pretreated in this way is transferred into a screw injection molding machine ( | 03-03-2011 |
20110127696 | POLYPROPYLENE RESIN COMPOSITION, RESIN MOLDED PART AND PRODUCTION METHOD THEREOF - A polypropylene resin composition contains 2 to 15 wt % of a moldability improver (A) and 85 to 98 wt % of a polypropylene resin (B). The moldability improver (A) is formed of propylene block copolymers (A-1) and (A-2). Each of the propylene block copolymers (A-1) and (A-2) has a crystalline propylene polymer component (A-11), (A-21) and a propylene-ethylene random copolymer component (A-12), (A-22). The propylene block copolymer (A-1) is characterized in that the melt flow rate of the crystalline propylene polymer component (A-11) is high, whereas the propylene block copolymer (A-2) is characterized in that the content ratio of the propylene-ethylene random copolymer component (A-22) is high. The polypropylene resin (B) is formed of a propylene-ethylene block copolymer (B-1), at least one of an ethylene elastomer and a styrene elastomer (B-2) and an inorganic filler (B-3). | 06-02-2011 |
20110227254 | BIOFOAM COMPOSITIONS FOR PRODUCTION OF BIODEGRADABLE OR COMPOSTABLE PRODUCTS - The present invention provides improved compositions and methods that can be utilized to produce biofoams. Biodegradable articles made from such biofoams are also described. | 09-22-2011 |
20110272860 | POLYMERIC COMPOSITIONS AND FILLED TPO ARTICLES HAVING IMPROVED AESTHETICS - The present invention relates to filled polymeric compositions, such as filled TPO compositions, having improved aesthetics, and to polymeric masterbatches which may be used to prepare the improved filled TPO compositions. The present invention also relates to processes for preparing the filled TPO compositions which eliminates a compounding step. The polymeric compositions of the present invention include at least about 5 weight percent inorganic filler based on the total weight of the polymeric composition; a high viscosity polypropylene impact copolymer having a highly crystalline portion, wherein the highly crystalline portion is present from about 20 weight percent to about 90 weight percent of the high viscosity polypropylene impact copolymer, and a xylene soluble portion, wherein the xylene soluble portion is present from about 10 weight percent to about 80 weight percent of the high viscosity polypropylene impact copolymer and has a z-average molecular weight greater than about 1,500,000 Da, a number average molecular weight less than about 100,000 Da, and a polydispersity index greater than about 5; and a low viscosity substantially linear ethylene polymer having a polydispersity index less than about 3.5, and a melt flow rate greater than about 40 g/10 min as measured according to ASTM D-1238 at 190° C./2.16 kg. | 11-10-2011 |
20120007283 | Weathering-stabilized acrylonitrile copolymer molding compositions - The present invention relates to a thermoplastic molding composition comprising
| 01-12-2012 |
20120080822 | Compatibilized Polypropylene and Polylactic Acid Blends and Methods of Making and Using Same - A composition comprising a blend of a polyolefin, polylactic acid, and a reactive modifier. A method of producing an oriented film comprising reactive extrusion compounding a mixture comprising polypropylene, polylactic acid, a reactive modifier to form a compatibilized polymeric blend, casting the compatibilized polymeric blend into a film, and orienting the film. A method of preparing a reactive modifier comprising contacting a polyolefin, a multifunctional acrylate comonomer, and an initiator under conditions suitable for the formation of an epoxy-functionalized polyolefin wherein the epoxy-functionalized polyolefin has a grafting yield of from 0.2 wt. % to 15 wt. %. | 04-05-2012 |
20120126455 | Methods of Processing High Service Temperature Hydrocarbon Gels - Methods of processing high service temperature crosslinked thermoplastic gels are provided. The methods include combining (a) an oil-swelled physically crosslinked thermoplastic elastomer gel comprising at least one functional group configured to chemically crosslink in the presence of a crosslinker and (b) a crosslinker; maintaining the combination of the physically crosslinked thermoplastic elastomer gel and the crosslinker at a temperature at which they remain substantially unreacted; subsequently heating the combination to a temperature at which the oil-swelled physically crosslinked thermoplastic elastomer gel reacts with the crosslinker. | 05-24-2012 |
20120175818 | ACRYLIC BLENDS - An acrylic polymeric composition comprising a melt blend of a thermoplastic high molecular weight acrylic material (HMWA) and a thermoplastic low molecular weight acrylic material (LMWA) is described. At least 70% w/w of the HMWA and the LMWA comprises an alkyl (alk)acrylate (co)polymer. The HMWA has a weight average molecular weight (Mw) of between 40 k Daltons and 1000 k Daltons and the LMWA has a weight average molecular weight (Mw) of between the entanglement molecular weight (Me) (expressed in k Daltons) and 250 k Daltons. | 07-12-2012 |
20120181729 | Method Of Fabricating An Injection Molded Component - A method of fabricating a foamed, injection-molded component is provided. The method includes the step of introducing a liquid, a nucleating agent and a polymer into an injection barrel of an injection molding machine. The liquid, the nucleating agent and the polymer are injected into a mold corresponding in shape to the component and the component is released from the mold. | 07-19-2012 |
20130093119 | PROCESSES FOR PRODUCING THERMOSTABLE POLYHYDROXYALKANOATE AND PRODUCTS PRODUCED THEREFROM - Compositions comprising polyhydroxyalkanoate with improved thermostability are disclosed. Processes for producing thermostable polyhydroxyalkanoates with acids having a pKa of between 3-10 are further disclosed, as well as uses of such thermostable polyhydroxyalkanoates. | 04-18-2013 |
20130200552 | PLASTICIZING SCREW FOR INJECTION MOLDING AND INJECTION MOLDING METHOD USING SAME - A plasticizing screw for injection molding according to the present invention is a plasticizing screw for injection molding that is installed in an injection molding machine which performs injection molding by plasticizing granular thermoplastic resin feedstock containing reinforcement fibers, and includes a shaft, a flight, and a mixer. The mixer is provided in plural stages in an axial direction, and the number of fins of the mixer of each stage increases toward a leading end side in the axial direction from a rear end side in the axial direction. Further, the protrusion height of each fin from the peripheral surface of the shaft is lower than the protrusion height of the flight from the peripheral surface of the shaft. | 08-08-2013 |
20130214455 | Aliphatic Polyester - A copolymer obtained by condensation of i) 90 to 99.5 mol %, based on components i) to ii), of succinic acid; ii) 0.5 to 10 mol %, based on components i) to ii), of azelaic acid, sebacic acid and/or brassylic acid; iii) 98 to 102 mol %, based on components i) to ii), of 1,3-propanediol or 1,4 butanediol, and iv) 0.01% to 5% by weight, based on the total weight of the components i) to ii), of a chain extender and/or crosslinker selected from the group consisting of an at least trihydric alcohol or an at least tribasic carboxylic acid. | 08-22-2013 |
20130313754 | FRAME FOR AN ELECTROCHEMICAL ENERGY-STORAGE UNIT - The present invention relates to a process for producing frame elements for a frame for holding and arranging electrochemical cells in an electrochemical energy-storage unit. The present invention also relates to the use of certain plastics mixtures for producing said frame elements. The frame elements or frames of the invention are particularly preferably used in electrochemical energy-storage units with high power density. Electrochemical energy-storage units of this type with high power density are more particularly used for the operation of motor vehicles with electrical drive, for example in vehicles which are driven on the “hybrid” principle (electrical drive and internal combustion engine), and are also preferably used for exclusively or primarily electrically operated vehicles. It is preferable here to use, as electrochemical energy-storage units with high power density, lithium-ion batteries or lithium-polymer batteries. | 11-28-2013 |
20140103578 | VALVE PIN BUSHING FOR THE HOT RUNNER OF AN INJECTION MOLD - To improve the flow symmetry and the molding quality, it is presented a valve pin bushing for the hot runner of an injection mold, including two input channels, each having a geometric axis and through which the material to be injected can enter through an outlet into, and an output channel, which extends along a longitudinal axis up to an output from which the material can exit the valve pin bushing. The portions of the geometric axes, which extend at the outlet are arranged so that on any imaginary plane passing through the longitudinal axis there lies at most one portion. | 04-17-2014 |
20140151932 | MODELING APPARATUS AND OPERATION METHOD THEREOF - A modeling apparatus includes a first set and a second set. The first set includes a body and a first mold structure, the first mold structure is disposed on a surface of the body. The second mold includes a movable portion, a first pushing mechanism, a valve and a second pushing mechanism. A second mold structure of the movable portion is combined with the first mold structure to form an accommodating space. The first pushing mechanism is connected to the movable portion for moving the movable portion, so as to combine the second mold structure with the first mold structure. The valve is disposed on the second mold structure for injecting plastic into the accommodating space. The second pushing mechanism is connected to the pushing component. The second pushing mechanism drives the pushing component to pierce through the movable portion, to move the modeled plastic out of the accommodating space. | 06-05-2014 |
20140210136 | BINDING BISPHENOL A IN A POLYCARBONATE CONTAINER - Embodiments of the disclosure provide a method for removing residual BPA from a residual BPA-containing substance and a method for making a container with residual BPA removed. The method may consist of preparing a stabilization reagent, wherein water is removed from the stabilization reagent. The method may also include preparing the residual BPA-containing substance. The method may also include reacting the residual BPA-containing substance in a melt condensation process with the stabilization reagent, wherein the stabilization reagent is non-toxic. | 07-31-2014 |
20140291894 | INJECTABLE COMPOSITE MATERIAL REINFORCED BY NATURAL FIBERS - The invention relates to an injectable composite material comprising:
| 10-02-2014 |
20150048552 | POLYMER COMPOSITION AND METHOD FOR MANUFACTURING THE SAME - To provide a polymer composition, for example, a polymer composition which contains an alloy resin of polycarbonate and acrylonitrile-butadiene-styrene or acrylonitrile-styrene and in which the impact resistance strength of a degraded thermoplastic resin is improved. | 02-19-2015 |
20150102528 | LIGHT WEIGHT ARTICLES, COMPOSITE COMPOSITIONS, AND PROCESSES FOR MAKING THE SAME - Provided are composite material comprising hollow glass microspheres and a microcellular thermoplastic resin, articles molded from such materials, and methods of making such materials. | 04-16-2015 |
20160040007 | COMPOSITION FOR MAINTAINING GOOD COLOR WHEN THERMALLY TREATING POLYESTER-POLYAMIDE BLENDS - A polymer composition and wall of a container made from such composition is set forth comprising a polyamide and polyester and a sufficient amount of an interfacial tension reducing agent such that the polyamide domains stretch disproportionately to the amount of stretch experienced by the polyester both with and without a cobalt salt. | 02-11-2016 |
264328180 | Mixing of filler, dye, or pigment | 12 |
20090166928 | METHOD AND APPARATUS FOR MOLDING ROOFING PRODUCTS WITH BACK GATING - A molding apparatus is configured with a distribution channel configured to deliver a blended feed composition directly into an article molding region such that a molded article is formed with gating on the bottom surface of the article. The article molding regions are formed into front sides of opposed “A” and “B” surface mold tools that, when moved into a mating relationship with one another, form closed molding cavities within which molded articles are generated from molding material feed. The article molding regions each generally have a body bounded by a perimeter that establishes an outer edge for an article molded in the one of the closed molding cavities. Additionally, the body of each article molding region of the “A” surface mold tool is adapted for molding a bottom surface for the composite article, and the body of the article molding region of the “B” surface mold tool is adapted for molding a top surface for the composite article. The distribution channel is formed in at least the second surface mold tool, and has a main portion and a downstream terminus for each article molding region of the “A” surface mold tool. The main portion of the distribution channel is formed outside of each article molding region. The downstream terminus, to which the main portion extends, is in communication with the body of the respective article molding region of the “A” surface mold tool. | 07-02-2009 |
20100117265 | SIZING COMPOSITION FOR FIBERS, SIZED FIBERS AND METHOD OF USING TO MAKE MOLDING COMPOUNDS AND FRP MOLDED PRODUCTS - Disclosed are aqueous size compositions for reinforcing fibers containing very little or no polymer film formers, but comprising one or more coupling agents, one or more lubricants and optionally one or more other functional ingredients that do not include a resin polymer film former. Also disclosed are reinforcing fiber strands having such a sizing thereon, molding compounds containing these reinforcing fiber strands and methods of making the molding compounds and reinforced polymer composite products. | 05-13-2010 |
20100276842 | METHOD FOR PRODUCING INJECTION-MOLDED PARTS - In a method of producing an injection-molded part, a material is processed and/or plasticized by means of a multi-screw extruder having a plurality of processing zones. An additive having barrier characteristics is admixed by a feed unit in at least one of the processing zones. The material is processed and dried in the extruder, and can then be transferred to a transfer reservoir for further processing. | 11-04-2010 |
20110254204 | METHOD OF MODIFYING GLOSS WITH MODIFIED POLYMERS AND RELATED PRODUCTS AND USES - The present invention relates to methods of modulating the gloss of plastics materials and products made from them, such as articles in the automotive industry e.g. for the interior of automobiles, as well as the use of certain additives for that purpose and related invention embodiments. The modulating comprises adding a modified polymer as matting agent to a polymer composition used as polymer substrate for the articles. | 10-20-2011 |
20120098160 | PROCESS FOR PRODUCING RESIN MOLDED ARTICLE - A process for producing a resin molded article, comprising steps of (1) plasticizing a resin composition containing an organic fiber and a thermoplastic resin with an injection-molding machine, (2) injecting the plasticized resin composition into a mold cavity of the injection-molding machine, and (3) pressure-holding against the resin composition in the mold cavity for a pressure-holding time of 0.5 to 60 seconds under holding-pressure of 70 to 300 MPa. | 04-26-2012 |
20130099421 | PLASTICIZING SCREW FOR INJECTION MOLDING AND INJECTION MOLDING METHOD USING SAME - A plasticizing screw for injection molding according to the present invention is installed in an injection molding machine that performs injection molding by plasticizing thermoplastic resin feedstock containing reinforcement fibers, and includes a shaft, a main flight, and a sub-flight. The protrusion height of the main flight from the circumferential surface of the shaft is formed to be constant in at least an area in which the sub-flight is provided. The sub-flight includes a flat surface portion which is provided on the rear end side in a winding direction and in which a protrusion height from the circumferential surface of the shaft is lower than that of the main flight and is constant, and an inclined surface portion which is provided to extend continuously from a leading end in the winding direction of the flat surface portion and in which a protrusion height from the circumferential surface of the shaft gradually increases toward the leading end side in the winding direction and is less than the protrusion height of the main flight. | 04-25-2013 |
20130214456 | Apparatus and Method of Manufacturing Objects with Varying Concentration of Particles - An apparatus and method for manufacturing an object with a varying concentration of particles, with a defined concentration profile are disclosed. In an embodiment, the object with varying concentration of particles is manufactured by mixing liquids comprising different particle concentrations, the proportion in which such liquids are mixed being varied over time. The resultant liquid is cast or extruded into the required shape to form the object with a varying concentration of particles. | 08-22-2013 |
20130341835 | Method of forming substrate carriers and articles from compositions comprising carbon nanotubes - Substrate containers formed from improved compositions comprise a polymer and carbon nanotubes to provide enhanced characteristics. In some embodiments, the carbon fibers, e.g., nanotubes, can be mechanically blended or incorporated into the polymer, while in some embodiments carbon nanotubes also may be covalently bonded to the polymer to form corresponding covalent materials. In particular, the polymer can be covalently bonded to the side walls of the carbon nanotubes to form a composite with particularly desirable mechanical properties. The processing of the nanotubes can be facilitated by the dispersion of the nanotubes in an aqueous solution comprising a hydrophylic polymer, such as ethyl vinyl acetate. A dispersion of nanotubes can be combined with a polymer in an extrusion process to blend the materials under high shear, such as in an extruder. | 12-26-2013 |
20140035201 | COMPONENTS INCORPORATING BIOACTIVE MATERIAL - There are provided methods of producing a component incorporating a bioactive material. In one embodiment the method comprises: (a) using a screw extruder to mix a polymeric material (I) with a bioactive material (II) and melt the polymeric material (I); and (b) making a component by moulding; and wherein the polymeric material (I) is of a type which includes: (i) phenyl moieties; (ii) ketone moieties; and (iii) ether moieties. Also provided are components comprising a polymeric material and a bioactive material. | 02-06-2014 |
20160009010 | INJECTION MOLDING APPARATUS AND INJECTION MOLDING METHOD | 01-14-2016 |
20160089822 | PRODUCTION METHOD OF PRODUCING FIBER-REINFORCED RESIN MOLDING - A production method of producing a fiber-reinforced resin molding includes: kneading, in a kneader, molten thermoplastic resin with opened reinforcing fibers obtained by opening a bundle of reinforcing fibers, to produce a kneaded mixture; and placing or charging the kneaded mixture into a molding device to produce a fiber-reinforced resin molding. | 03-31-2016 |
20180022003 | INJECTION MOLDING METHOD, SCREW FOR INJECTION MOLDING MACHINE, AND INJECTION MOLDING MACHINE | 01-25-2018 |
264328190 | Including feeding to accumulator | 3 |
20090108500 | High Pressure Injection Molding Nozzle with Low Pressure Manifold - A hot runner system includes a having a cavity. Melt is fed from a source of melt into the cavity, and a valve isolates melt in the cavity from melt in the source. A plunger within the cavity is driven forward to inject melt in the cavity into a mold cavity at high pressure without significantly increasing the pressure of melt in the source. The plunger optionally functions as both the plunger and the valve by opening and closing communication between the cavity and the manifold as it is rotated. | 04-30-2009 |
20110248427 | PLASTICIZING AND INJECTION UNIT OF AN INJECTION MOULDING MACHINE AND METHOD FOR INJECTION MOULDING - The invention relates to a plasticizing and injection unit ( | 10-13-2011 |
20120248654 | INJECTION MOLDING SYSTEM WITH MULTIPLE ACCUMULATOR ASSEMBLIES - An injection molding system ( | 10-04-2012 |