Class / Patent application number | Description | Number of patent applications / Date published |
521145000 | From acyclic mono-unsaturated halogenated reactant | 26 |
20080207790 | Earplug - An earplug comprising a foam composition comprising a polyvinyl chloride resin and less than about 5 wt % monomeric phthalate, based on the total weight of the foam composition, is described. The foam composition may comprise a plasticizer comprising less than or equal to about 2 wt % monomeric phthalate, based on the total weight of the plasticizer. The earplugs have slow recovery times from 60 percent compression to 10 percent compression of about 10 to about 60 seconds. | 08-28-2008 |
20090186956 | Foamable Fluoropolymer Composition - The present invention discloses a foamable composition. The foamable composition includes a partially-crystalline melt processible perfluoropolymer and a foam nucleating package. The foamable composition has a uniform foam cell size where the foam cell size of at least 90% of the foamed cells is 50 micrometers or less. The foam nucleating package ranges from 0.1 to 10 wt % of the combined weight of the perfluoropolymer and the foam nucleating package. | 07-23-2009 |
20100267853 | POLYMER-BASED FIRE-RETARDING FORMULATIONS - The invention provides a formulation for rendering surfaces fireproof by application thereon. | 10-21-2010 |
20110178197 | Nonflammable hollow polymeric microspheres - Hollow polymeric microspheres may be rendered nonflammable by coating with one or more flame retardants, while maintaining a composite density of not greater than 0.05 g/cm3. | 07-21-2011 |
20110306695 | Tin-Free Stabilizer Composition - A stabilizer composition for halogenated polymers comprising at least one zinc salt of a carboxylic acid and/or of a β-diketone, comprising
| 12-15-2011 |
20110319512 | POLYVINYLIDENE FLUORIDE RESIN EXPANDED BEADS, AND MOLDED ARTICLES OF POLYVINYLIDENE FLUORIDE RESIN EXPANDED BEADS - Provided are polyvinylidene fluoride resin expanded beads which can be molded by in-mold molding and thus stably provide, without impairing excellent characteristics inherent in polyvinylidene fluoride resin, molded articles having excellent mechanical properties. Polyvinylidene fluoride resin expanded beads, characterized in that when 1 to 3 mg of the expanded beads are subjected to heat-flux type differential scanning calorimetry (DSC) wherein the beads are heated from 25° C. to 200° C. at a temperature rise rate of 10° C./min, the obtained DSC curve (of first heating) has both an inherent endothermic peak which is inherent in polyvinylidene fluoride resin and one or more higher-temperature endothermic peaks which appear on the higher-temperature side of the inherent endothermic peak, the quantity of heat of melting of the higher-temperature endothermic peaks being at least 0.5 J/g. | 12-29-2011 |
20120184637 | Expandable functional TFE copolymer fine powder, the expandable functional products obtained therefrom and reaction of the expanded products - A functional TFE copolymer fine powder is described, wherein the TFE copolymer is a polymer of TFE and at least one functional comonomer, and wherein the TFE copolymer has functional groups that are pendant to the polymer chain. The functional TFE copolymer fine powder resin is paste extrudable and expandable. Methods for making the functional TFE copolymer are also described. The expanded functional TFE copolymer material may be post-reacted after expansion. | 07-19-2012 |
20120202906 | POLYTETRAFLUOROETHYLENE AQUEOUS EMULSION AND PROCESS FOR ITS PRODUCTION, POLYTETRAFLUOROETHYLENE AQUEOUS DISPERSION OBTAINABLE BY USING SUCH AN AQUEOUS EMULSION, POLYTETRAFLUOROETHYLENE FINE POWDER, AND STRETCHED POROUS MATERIAL - To produce a PTFE aqueous emulsion, whereby the environmental load is little, the stability of the aqueous emulsion is high, and a molded product having high heat resistance can be obtained. A process for producing a PTFE aqueous emulsion, which comprises emulsion-polymerizing tetrafluoroethylene (TFE) by means of at least one fluorinated emulsifier selected from the group consisting of a C | 08-09-2012 |
20130137789 | POLYVINYL CHLORIDE COMPOSITIONS - A polyvinyl chloride composition having polyvinyl chloride resin and a plasticizer ester selected from di-butyl terephthalate, di-isobutyl terephthalate, or mixtures thereof. | 05-30-2013 |
20130150474 | Enhanced process for the production of expanded PVC and plastic materials based on expanded PVC obtained therewith - A process for the production of expanded PVC of the type includes heating a mass of polymeric mixture inside a closed mold; controlling the expansion of the mass in an environment having a constant volume defined by the closed mold, control being performed by the presence, in the mass of polymeric mixture, of microparticles of a compressible material, suitable for being contracted, under the action of the pressure generated by the formation and expansion of microcells of expanding gas in the same mass, from an initial form having a larger volume, to a form having a smaller volume; and expanding the microparticles, from their configuration to the initial configuration, the density of the expanded material thus obtained being determined by the contemporary presence of both microcells of expanding gas and the microparticles in their configuration having a larger volume. | 06-13-2013 |
20130172436 | POLYMERS CONTAINING HEAT LABILE COMPONENTS ADSORBED ON POLYMERIC CARRIERS AND METHODS FOR THEIR PREPARATION - Compositions containing polymers and one or more heat labile and/or incompatible components adsorbed on carrier materials are provided. The heat labile components include materials that are inactivated, that volatilize, decompose, or undergo a chemical reaction or transformation at the polymer's processing temperatures (heat labile biocides). Incompatible components are materials that generally react or form gels or precipitates upon mixing. The carrier materials generally include inorganic or organic porous materials capable of remaining solid during processing temperatures. Methods for preparing the polymer compositions are provided. | 07-04-2013 |
20130267622 | Hydrophilic vinylidene fluoride polymers - The present invention pertains to a process for the manufacture of a grafted fluorinated polymer comprising at least one grafted side chain comprising one or more glycosidic recurring units [polymer (F)], said process comprising polymerizing:
| 10-10-2013 |
20130303645 | METHOD OF FORMING POLYMERIC FOAM AND RELATED FOAM ARTICLES - Methods of forming polymeric foams are provided. The methods may involve co-extruding a foam layer along with one or more skin layers. In some embodiments, the skin layer(s) may be removed (e.g., in a peeling operation); while, in other embodiments, the skin layer(s) may form part of the final article. The methods are particularly well suited for producing polymeric foams from polymeric materials that are considered to be difficult to foam by those of skill in the art. | 11-14-2013 |
20140073714 | Posterior Segment Drug Delivery - A therapeutic device to release a therapeutic agent comprises a porous structure coupled to a container comprising a reservoir. The reservoir comprises a volume sized to release therapeutic amounts of the therapeutic agent for an extended time when coupled to the porous structure and implanted in the patient. The porous structure may comprise a first side coupled to the reservoir and a second side to couple to the patient to release the therapeutic agent. A plurality of interconnecting channels can extend from the first side to the second side so as to connect a first a plurality of openings on the first side with a second plurality of openings on the second side. | 03-13-2014 |
20140336294 | METHOD FOR PREPARING ESTER COMPOSITION AND RESIN COMPOSITION - Disclosed are a method for preparing an ester composition and a resin composition comprising the ester composition. It is possible to suitably prepare a plasticizer composition which improves processability due to high absorption rate and short fusion time to resins and thus provides superior physical properties when processed with resins. | 11-13-2014 |
20140378569 | HYBRID POLYMERS - The present invention pertains to a polyurethane fluoropolymer [polymer (F | 12-25-2014 |
20150038609 | COMPOSITIONS FOR COMPOUNDING FOAMABLE, FLUROPOLYMER PELLETS FOR USE IN MELT PROCESSING CELLULAR OR FOAMED FLUOROPOLYMER APPLICATIONS - The disclosure provides a composition as well as a set of compositions and method for producing cellular or foamed or blown fluoropolymers such as perfluoropolymers and other thermoplastics articles allowing for the creation of a lower cost communications cable, conductor separator, conductor support-separator, jacketing, tape, wire insulation and in some cases a conduit tube as individual components or combined configurations that exhibit improved electrical, flammability and optical properties. Specifically, the foamable or blown fluoropolymer such as a perfluoropolymer cellular insulation composition comprises; talc and the selected fluoropolymer such as perfluoropolymers. Compounded pellets or products resulting in cellular or foamable products using these pellets has also been realized by providing the melt combination in the pellets of only talc and a perfluoropolymer. | 02-05-2015 |
20150315352 | Aqueous Delivery System for Low Surface Energy Structures - An aqueous delivery system is described including at least one surfactant and at least one water insoluble wetting agent. Further described are low surface energy substrates, such as microporous polytetrafluoroethylene, coated with such an aqueous solution so as to impart, a change in at least one surface characteristic compared to the surface characteristics of the uncoated low surface energy substrate. | 11-05-2015 |
20150337098 | POROUS POLYTETRAFLUOROETHYLENE FILM AND METHOD FOR PRODUCING SAME - A porous polytetrafluoroethylene film comprising a fluororesin containing polytetrafluoroethylene as a main component, wherein an envelope surface area of resin fibers included per film having an area of 1 m | 11-26-2015 |
20150353694 | METHOD FOR PRODUCING POROUS POLYTETRAFLUOROETHYLENE FILM AND POROUS POLYTETRAFLUOROETHYLENE FILM - Provided is a method for producing a porous polytetrafluoroethylene film having good chemical resistance, good heat resistance, a high porosity, and good dimensional stability. The method for producing a porous polytetrafluoroethylene film includes a stretching step of stretching a sheet-like molded body composed of a fluororesin containing polytetrafluoroethylene as a main component in a longitudinal direction and/or a lateral direction at a temperature lower than a melting point of the fluororesin to make a porous fluororesin film, and, after the stretching step, an annealing step of holding the porous fluororesin film in a shape-fixed state, and maintaining the porous fluororesin film at a temperature lower than the melting point of the fluororesin but not lower than a temperature 30° C. lower than the melting point for 1 to 20 hours. | 12-10-2015 |
20160002413 | HYDROPHILIC FLUOROPOLYMER - The present invention pertains to a process for the manufacture of a grafted fluoropolymer [polymer (Fg)], said process comprising reacting: A) at least one fluoropolymer comprising at least one functional group selected from the group consisting of a hydroxyl group and a carboxylic acid group [polymer (F)], B) at least one polyoxyalkylene (POA) of formula (I): R | 01-07-2016 |
20160024273 | LOW-VOLATILITY PLASTICIZER BLENDS - Disclosed is a plasticizer comprising xylylene glycol di-2-ethylhexanoate. The plasticizer can comprise xylylene glycol di-2ethylhexanoate and a second plasticizer. Also disclosed is a plastisol comprising a PVC resin dispersed in the liquid phase and a plasticizer comprising xylylene glycol di-2-ethylhexanoate and a second plasticizer. Additionally disclosed, an article can comprise the fused plastisol. | 01-28-2016 |
20160039989 | Expandable TFE Copolymers, Method of Making, Porous, Expanded Article 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. | 02-11-2016 |
20160053083 | PLASTICIZING COMPOSITION - The invention relates to a plasticizing composition comprising a vinyl chloride resin and a plasticizing agent which comprises at least one diester having the general formula (I), derived from a diacid selected from succinic acid, glutaric acid, adipic acid, ethylsuccinic acid, methylglutaric acid and mixtures thereof wherein: A is a C | 02-25-2016 |
20160075854 | Articles Produced from VDF-co-(TFE or TrFE) Polymers - VDF-co-(TFE or TrFE) polymers having a molecular weight of at least about 1,000,000 g/mol and a melt temperature less than about 240° C. The VDF copolymer contains at least about 50 mol % VDF monomer and may include an amount of at least one other monomer. The VDF copolymer may be used to form a membrane that has a node and fibril structure. The membrane has a percent porosity of at least 25%. A VDF-co-(TFE or TrFE) polymer membrane may be formed by lubricating the VDF copolymer, subjecting the lubricated polymer to pressure at a temperature below the melting point of the VDF copolymer to form a preform material, and expanding the preform material at a temperature below the melting temperature of the VDF copolymer. Dense VDF copolymer articles, filled VDF copolymer membranes, and VDF copolymer fibers are also provided. | 03-17-2016 |
20170233956 | COOLING INFILL FOR SYNTHETIC TURF APPLICATIONS | 08-17-2017 |