| Entries |
| Document | Title | Date |
|---|
| 20110196052 | FLAME RETARDANTS - Phosphine sulfide derivatives of the formula (I), | 08-11-2011 |
| 20130085192 | THERMALLY EXPANDABLE MICROCAPSULE AND PROCESS FOR PRODUCTION OF THERMALLY EXPANDABLE MICROCAPSULE - The present invention provides a thermally expandable microcapsule that is excellent in heat resistance and durability. The present invention is a thermally expandable microcapsule, which comprises a shell containing a copolymer, and a volatile liquid as a core agent included in the shell, the copolymer being obtainable by polymerization of a monomer mixture containing a monomer A and a monomer B, the monomer A being at least one selected from the group consisting of a nitrile group-containing methacrylic monomer and an amide group-containing methacrylic monomer, the monomer B being at least one selected from the group consisting of a carboxyl group-containing methacrylic monomer and an ester group-containing methacrylic monomer, a total amount of the monomer A and the monomer B accounting for 70% by weight or more of the monomer mixture, a weight ratio of the monomer A and the monomer B being 5:5 to 9:1, and the monomer mixture containing methacrylonitrile and methacrylic acid in a total amount of not more than 70% by weight of the monomer mixture. | 04-04-2013 |
| 20130030065 | HEAT-EXPANDABLE MICROSPHERES AND A PROCESS FOR PRODUCING THE SAME - A method that produces heat-expandable microspheres includes the use of a shell of thermoplastic resin and a non-fluorine blowing agent encapsulated therein having a boiling point not higher than the softening point of the thermoplastic resin. The method includes a step of dispersing an oily mixture containing a polymerizable component, the blowing agent, and a polymerization initiator containing a peroxydicarbonate in an aqueous dispersing medium to polymerize the polymerizable component contained in the oily mixture. The resultant heat-expandable microspheres have a shell which is less apt to become thinner than its theoretical value, contain minimum amount of resin particle inside their shell, and have excellent heat-expanding performance. | 01-31-2013 |
| 20090156700 | Expanded polypropylene resin beads and foamed molded article thereof - Expanded polypropylene resin beads having a melting point of not less than 120° C. but less than 140° C., the melting point being determined from a DSC curve obtained by heat flux differential scanning calorimetry in accordance with JIS K7121-1987 in which a sample of 1 to 3 mg of the expanded polypropylene resin beads is heated to 200° C. at a heating rate of 10° C./minute, then cooled to 30° C. at a rate of 10° C./minute, and again heated from 30° C. to 200° C. at a heating rate of 10° C./minute to obtain the DSC curve. The expanded polypropylene resin beads has an apparent density ρ | 06-18-2009 |
| 20090093558 | MOBILE EXPANDED POLYMER PROCESSING SYSTEMS AND METHODS - A mobile polymer system. The system includes a mobile platform and a heat generating device mounted to the mobile platform. The system also includes a polymer expansion unit mounted to the mobile platform, wherein the polymer expansion unit is adapted to expand a polymer, using heat generated by the heat generating device, at a location of the mobile polymer expansion system to create an expanded polymer that can be used to create an expanded polymeric product that is comprised of the expanded polymer. | 04-09-2009 |
| 20110281963 | POLYPROPYLENE RESIN PRE-FOAMED PARTICLE AND METHOD FOR PRODUCING SAME, AND POLYPROPYLENE RESIN IN-MOLD FOAMING MOLDED ARTICLE - Provided are polypropylene resin pre-foamed particles including, as base resin, polypropylene resin that satisfies the following requirements (a) through (c): (a) in cross fractionation chromatography, an amount of components eluted at a temperature of not more than 40° C. is not more than 2.0% by weight; (b) a melting point is not less than 100° C. but not more than 160° C.; and (c) propylene monomer units are present in an amount of not less than 90 mol % but not more than 100 mol %, and olefin units each having a carbon number of 2 or 4 or more are present in an amount of not less than 0 mol % but not more than 10 mol %. The polypropylene resin pre-foamed particles can be molded by in-mold foaming molding at a not high molding heating steam pressure, and a polypropylene resin in-mold foaming molded product excellent in dimensional stability at high temperatures can be prepared from the polypropylene resin pre-foamed particles. | 11-17-2011 |
| 20090292031 | Thermally Foamable Microsphere, Method of Producing the Same, and Use Thereof - This invention aims to provide a thermally foamable microsphere which is excellent in heat resistance, has a high expansion ratio, and shows stable foaming behavior; a method of producing the thermally foamable microsphere; and suitable use thereof. | 11-26-2009 |
| 20090258958 | Expandable TFE Copolymers, Methods of Making, and Porous, Expanded Articles Thereof - A true tetrafluoroethylene (TFE) copolymer of the fine powder type is provided, wherein the copolymer contains polymerized comonomer units of at least one comonomer other than TFE in concentrations of at least or exceeding 1.0 weight percent, and which can exceed 5.0 weight percent, wherein the copolymer is expandable, that is, the copolymer may be expanded to produce strong, useful, expanded TFE copolymeric articles having a microstructure of nodes interconnected by fibrils. Articles made from the expandable copolymer may include tapes, membranes, films, fibers, and are suitable in a variety of end applications, including medical devices. | 10-15-2009 |
| 20100267850 | PROCESS FOR PRODUCING EXPANDED POLYOLEFIN RESIN PARTICLES AND EXPANDED POLYOLEFIN RESIN PARTICLES - Provided is a process for producing expanded polyolefin resin particles whose cells are not made nonuniform or extremely smaller as seen in conventional expanded particles, whose cell diameter and expansion ratio can be easily controlled independently, and which, when subjected to in-mold expansion molding, give in-mold expanded molded products satisfactory in fusibility and excellent in surface properties. The process is a process for producing expanded polyolefin resin particles by: dispersing polyolefin resin particles together with an aqueous dispersion medium into a closed vessel; heating the polyolefin resin particles up to or above a softening temperature of the polyolefin resin particles; and releasing the polyolefin resin particles into a zone whose pressure is lower than an internal pressure of the closed vessel, with use as a foaming agent of water serving as the dispersion medium, the polyolefin resin particles being composed of a polyolefin resin composition including: polyolefin resin; a substance selected from among polyethylene glycol, polyvalent alcohol having a carbon number of not less than 3 to not more than 6, and a water-absorbing substance having no function of forming foaming nuclei; and a foam nucleating agent. | 10-21-2010 |
| 20090149559 | HEAT-EXPANDABLE MICROSPHERES, METHOD FOR PRODUCING THE SAME, AND APPLICATION THEREOF - Heat-expandable microspheres include a shell of thermoplastic resin and a blowing agent encapsulated therein having a boiling point not higher than the softening point of the thermoplastic resin, have a maximum expanding ratio not lower than 50 times, and are thermally expanded into hollow particulates having a repeated-compression durability not lower than 75 percent. The method of producing the heat-expandable microspheres includes the steps of dispersing an oily mixture containing a polymerizable component and the blowing agent in an aqueous dispersing medium containing a specific water-soluble compound and polymerizing the polymerizable component contained in the oily mixture. | 06-11-2009 |
| 20110224316 | PREPARING EXPANDABLE STYRENE POLYMERS - The invention provides a process for preparing expandable styrene polymers which comprises the steps of: | 09-15-2011 |
| 20100261802 | Method for Producing Expandable Polystyrene and the Use Thereof - A method for producing expandable polystyrene (EPS) or extruded polystyrene foams (XPS), starting from polystyrene already present in the polymerized state or polystyrene melts, the same containing at least one expanding agent and/or at least one flame or fire retardant and/or at least one radical former as a flame retarding synergist, either from the start and/or being added during the production process. To reduce the extent to which the molecular weight is decreased as a result of the chain decomposition occurring during the heating as part of the production process, at least one stable free radical from the group of organic nitroxyl radicals of the general formula (1) is added to the polystyrene and/or the melt thereof. In the formula R | 10-14-2010 |
| 20100240782 | PROCESS FOR PREPARING STYRENE-BASED (CO)POLYMERS - A process for preparing a styrene-based (co)polymer comprising the steps of: a) preparing a monomer composition comprising styrene monomer and optionally one or more co-monomers and b) polymerising the monomer composition in the presence of an initiator mixture containing (i) 55-95 wt % of at least one polyfunctional initiator having a 1-hour half-life temperature in the range of 70-110° C. and (ii) 5-45 wt % of at least one monofunctional initiator having a 1-hour half-life temperature in the range of 70-110° C., so as to form the styrene-based (co)polymer. | 09-23-2010 |
| 20100197818 | METHOD OF MAKING CONCRETE - A method of preparing a light weight concrete composition using expanded polymer particles that includes a) replacing from about 10 to about 50 volume percent of the coarse aggregate in the concrete composition with prepuff particles; and b) preparing the concrete composition by combining ingredients comprising 3-40 volume percent cement, 1-50 volume percent fine aggregate, 0-40 volume percent coarse aggregate, 10-22 volume percent water, and 5-40 volume percent of prepuff particles. The prepuff particles have an average particle diameter of from 0.2 mm to 5 mm, a bulk density of from 0.02 g/cc to 0.56 g/cc, an aspect ratio of from 1 to 3. The concrete composition has a density of from about 90 to about 135 lb./ft | 08-05-2010 |
| 20090069454 | Component matrix - Components formed with a polymer matrix are subject to problems in relation to shrinkage as that polymer matrix cures. With regard to components incorporating reinforcing fibres, such shrinkage may tension and curl the fibres resulting in stresses within the component and premature failure. By providing voids or expandable beads, which alter in size to compensate for volumetric variation in the polymer matrix during curing, such tension may be avoided. Advantageously, the voids or expandable beads have a shape such that there is a reduction in void surface area as the void or expandable bead increases in volume. | 03-12-2009 |
| 20080287559 | Brominated Butadiene/Vinyl Aromatic Copolymers, Blends of Such Copolymers with a Vinyl Aromatic Polymer and Polymeric Foams Formed From Such Blends - A thermally stable brominated butadiene copolymer, such as brominated styrene/butadiene block copolymer, brominated random styrene/butadiene copolymer or brominated styrene/butadiene graft copolymer, preparation of the brominated butadiene copolymers, use of the brominated butadiene copolymers as a flame retardant additive and polymeric compositions, both foamed and non-foamed, that incorporate a flame-retarding amount of brominated butadiene copolymer. | 11-20-2008 |
| 20100305224 | POLYESTER FOAM MATERIAL HAVING FLAME-RESISTANT BEHAVIOUR - An expanded cellular material from aromatic polyester resins obtained by a reactive extrusion foaming of polyester resins, wherein the polyester foam provided with flame retardancy achieves a total heat release (THR | 12-02-2010 |
| 20090176900 | FOAMED POLYHYDROXYALKANOATE RESIN PARTICLES AND METHOD OF PRODUCING THE FOAMED PARTICLES - It is intended to provide an easy-to-use, energy-saving and economical method of producing foamed resin particles having a high environmental compatibility by using an ether, which generates neither sulfur oxide nor sot in the course of disposal and incineration and enables considerable reduction in nitrogen oxide formation, and further using a resin which originates in a plant and contributes to the carbon dioxide fixation. Namely, a method of producing foamed P3HA resin particles comprising the step of feeding particles of a resin containing a copolymer, which is produced by a microorganism and has a repeating unit represented by the general formula (1) [—CHR—CH | 07-09-2009 |
| 20100087555 | QUALITY POLYMER FOAM FROM FLUORINATED ALKENE BLOWING AGENTS - Alkenyl aromatic polymer foam comprising a polymer matrix containing one or more polymer and defining a plurality of cells having an average cell size wherein: (a) the alkenyl aromatic polymer foam has: —(i) an average cell size that is in a range of 0.02 and 5 millimeters; —(ii) a density of 64 kilograms per cubic meter or less; —(iii) an open cell content less than 30 percent; and—(iv) a cell size variation of 30% or less; and wherein the foam further comprises one or more fluorinated alkene blowing agent at a concentration of 0.03 moles or more and 0.3 moles or less per 100 grams of polymer foam. | 04-08-2010 |
| 20100204349 | HEAT-EXPANDABLE MICROSPHERES, PROCESS FOR PRODUCING THE SAME, AND APPLICATION THEREOF - Heat-expandable microspheres include a shell of thermoplastic resin and core material encapsulated in the shell. The core material include a blowing agent having a boiling point not higher than the softening point of the thermoplastic resin and a gas migration inhibitor having a boiling point higher than the softening point of the thermoplastic resin. The ratio of the gas migration inhibitor to the core material is at least 1 weight percent and below 30 weight percent. The average particle size of the heat-expandable microspheres ranges from 1 to 100 micrometers. | 08-12-2010 |
| 20110306689 | Expandable Polystyrene and Methods of Forming the Same - Expanded polystyrene, foamed articles and methods of making the same are described herein. The expanded polystyrene generally includes polystyrene selected from expandable polystyrene and extrusion polystyrene, the polystyrene exhibiting a molecular weight of from about 130,000 Daltons to about 220,000 Daltons; a melt flow index of from about 20 to about 30 and a density of from about 0.1 lb/ft | 12-15-2011 |
| 20120041085 | EXPANDABLE COMPOSITE RESIN PARTICLES FOR LONG-TERM STORAGE, PRE-EXPANDED PARTICLES FORMED THEREFROM AND EXPANDED MOLDED ARTICLES - Expandable composite resin particles for long-term storage, comprising 500 to 5000 ppm of water and 7.5 to 11.0% by weight of pentane in composite resin of polyolefin-based resin and polystyrene-based resin. | 02-16-2012 |
| 20100184877 | BIODEGRADABLE ALIPHATIC POLYESTER-BASED FOAMED PARTICLE AND MOLDED PRODUCT OF THE SAME - Biodegradable aliphatic polyester-based resin foamed particles that are excellent in environmental suitability and are produced using a source material derived from a plant, and a molded product of the same are provided. Thus, biodegradable aliphatic polyester-based resin foamed particles retaining high rigidity even when foamed at a high degree and having heat resistance, and a molded product are provided. Biodegradable aliphatic polyester-based resin foamed particles produced by foaming a resin composition obtained by melting and kneading a base resin constituted with a polymer (poly(3-hydroxyalkanoate)) having one or more recurring unit represented by the formula: [—O—CHR—CH | 07-22-2010 |
| 20100004347 | Temperature-Sensitive Active Ingredient Compositions for Reducing the Density of Plastics - The invention relates to an active ingredient composition which has a high content in thermosensitive foaming agents and one or more polyolefin resins, the portion which is larger in quantity being a metallocene and optionally the remaining resins being polar or nonpolar nonmetallocene polyolefin resins. All polyolefin resins add up to at least 10% by weight of the formulation and have a melting point between 80 and 170° C. The reduced dust active ingredient composition according to the invention is used for the masterbatch production of foamed plastics. | 01-07-2010 |
| 20120029101 | EXPANDED POLYPROPYLENE COPOLYMER RESIN PARTICLES - Disclosed is an expanded polypropylene copolymer resin particle whose base resin is a polypropylene random copolymer resin having a melting point of not more than 145° C., the base resin having a H/W ratio of not more than 8 where H (%) is a maximum height of an elution peak and W (° C.) is a peak width at half a height of the peak in an elution curve obtained from a differential value of eluted content measured by cross fractionation chromatography, and a ratio (Mw/Mn) of a weight-average molecular weight (Mw) and a number-average molecular weight (Mn) being not less than 3.5 in a molecular weight distribution measurement of a whole of eluted components. With such an expanded polypropylene copolymer resin particle, it is possible to provide expanded polypropylene copolymer resin particles which are capable of producing an in-mold expansion-molded article with a low molding heating vapor pressure, and which causes few deformation or shrinkage of an obtained in-mold expansion-molded article (i.e. having a broad molding heating temperature range) even if the in-mold expansion molding is carried out with a high molding heating vapor pressure and has a low decrease in physical properties such as compression strength. | 02-02-2012 |
| 20110184079 | FIRE-RETARDANT POLYURETHANE FOAM AND PROCESS FOR PREPARING THE SAME - A process for preparing a polyurethane foam that contains particles of expandable graphite and a halogenated fire-retardant additive which surprisingly impart excellent fire-retardant properties to the foam and provide a stable isocyanate-reactive component having improved pot life for industrial scale production purposes. The polyurethane foam can be prepared by mixing a single isocyanate-reactive component containing the graphite and halogenated additives along with all of the polyols and other ingredients with an isocyanate component in a two-component mixing machine such as a high-pressure mixing device for applying the reaction mixture into a suitable container. | 07-28-2011 |
| 20120283344 | EXPANDED PARTICLE OF POLYETHYLENE-BASED RESIN AND IN-MOLD EXPANSION MOLDED ARTICLE OF POLYETHYLENE-BASED RESIN - A polyethylene resin expanded particle has an expansion ratio of not less than 10 times and not more than 50 times, and in a DSC curve obtained by differential scanning calorimetry (DSC), the polyethylene resin expanded particle (i) shows two melting peaks, the two melting peaks being a low-temperature side melting peak and a high-temperature side melting peak, and (ii) further has a shoulder in a region not less than 100° C. and not more than the low-temperature side melting peak temperature, the shoulder having a shoulder ratio which is not less than 0.2% and not more than 3%. This makes it possible to obtain a polyethylene resin expanded particle for producing a polyethylene resin in-mold expansion molded article in which especially an end (edge part) of the polyethylene resin in-mold expansion molded article is excellent in fusion bond level and appearance and which has neither a wrinkle nor a void on a surface thereof, is excellent in surface property (has a beautiful surface), and has a high expansion ratio. | 11-08-2012 |
| 20080221229 | WATER-ABSORBING AGENT AND PRODUCTION METHOD THEREOF - To provide a water absorbing agent which is excellent in balance between absorbency and liquid permeability against pressure and is excellent in flowability at the time of moisture absorption. The water absorbing agent comprises water absorbent resin particles and an organic surface additive, wherein: the organic surface additive having (i) a reactive group for a functional group of a surface of each water absorbent resin particle and (ii) a hydrophobic group exists on the surface of the water absorbent resin particle, and the hydrophobic group has a hydrocarbon group whose carbon number is 8 or more, and a ratio of an oxyalkylene group in a molecular mass of the organic surface additive is 0 or more and 25 mass % or less. | 09-11-2008 |
