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| Number | Title | Issue Date |
| 8143351 | Fluororesin composition and covered electric wire It is an object of the present invention to provide a fluororesin composition which hardly causes molding defects even when high-speed molding is performed in covering extrusion molding within a relatively broad molding temperature range and which can give covered e... | 03/27/2012 |
| 8063149 | Fluorocopolymers blends A polymer blend including: (i) a fluoroolefin polymer prepared by a process, including contacting in a first reaction zone an initiator, 2,3,3,3-tetrafluoro-1-propene, and optionally, at least one first ethylenically unsaturated comonomer capable of copolymerizing t... | 11/22/2011 |
| 8053527 | Fluoropolymer composition A melt-mixed composition of non-melt flowable polytetrafluoroethylene (PTFE) and melt-fabricable perfluoropolymer is provided that exhibits thixotropy at increasing shear rate in the molten state and high elongation at break even at PTFE concentrations well above 4 ... | 11/08/2011 |
| 8053526 | Fluoroelastomer process aid contains polyalkylene oxide and polycaprolactone A process aid for improving the processability of non-fluorinated melt processible polymers contains a fluoroelastomer having a Mooney viscosity (ML (1+10) at 121° C.) between 30 and 100 and at least two interfacial agents, one a polycaprolactone having a Mn betwee... | 11/08/2011 |
| 8030405 | Blended PEM's with elastomers for improved mechanical durability A blend composition comprises a fluorine-containing polymer electrolyte and a fluoro-rubber. An electrolyte membrane may be prepared from the blend composition. The electrolyte membrane may be used in electrochemical cells such as electrolyzers, batteries and fuel c... | 10/04/2011 |
| 8026313 | Curable polymer composition A curable polymer composition that is quickly curable to form a cured article having excellent adhesion and followability to a substrate and at least including (A) an acrylic copolymer having a hydrogen atom bonded to a silicon atom, (B) a compound having at least t... | 09/27/2011 |
| 7968649 | Process for preparing vinylidene fluoride homopolymer having I-form crystal structure The present invention provides a process for easily preparing a vinylidene fluoride homopolymer comprising an I-form crystal structure at high purity by selecting a solvent, and the process for preparing the vinylidene fluoride homopolymer comprises not less than 70... | 06/28/2011 |
| 7947782 | Microgel-containing vulcanisable composition The present invention concerns a vulcanizable composition, vulcanized products produced from it, and their use in particular in the production of golf balls or roll coverings. ... | 05/24/2011 |
| 7915346 | Impact modified acrylics having a bimodal distribution of impact modifier sizes The invention relates to an impact modified acrylic sheet composition having a bimodal distribution of impact modifier particle sizes. The composition provides an optimal balance of impact performance and appearance after melt processing. ... | 03/29/2011 |
| 7879948 | Fluorine containing elastomer composition and molded article comprising the same The present invention provides a fluorine-containing elastomer composition comprising a fluorine-containing elastomer (A) and a fluorine-containing elastomer (B) having a fluorine amount of at least 67% by weigh and a lower molecular weight than the fluorine-contain... | 02/01/2011 |
| 7863384 | Fluoropolymers having improved whiteness The present invention relates to the preparation of a fluoropolymer exhibiting improved whiteness upon fabrication. The fluoropolymer is a multiphase copolymer or blend of fluropolymers. Fluoropolymer compositions of this invention could have application in both mel... | 01/04/2011 |
| 7855254 | Thermoplastic fluoropolymer composition The invention pertains to a multi-phase thermoplastic fluoropolymer composition, comprising a thermoplastic fluoropolymer and discrete domains of melt-processable perfluoropolymer, to the articles therefrom and to a process for manufacturing thermoplastic fluoropoly... | 12/21/2010 |
| 7816454 | Polyol-crosslinkable fluoro-rubber composition A polyol-crosslinkable fluororubber composition comprises 100 parts by weight of polyol-crosslinkable fluororubber; 0.5 to 10 parts by weight of a perfluoroalkane represented by the general formula F(CF2)2nF (n: 5˜30), a 1H-perfluoroalkane rep... | 10/19/2010 |
| 7795350 | Blends of amorphous and semicrystalline polymers having shape memory properties A shape memory polymeric material has a glass transition temperature, Tg, exceeding room temperature and exhibits rubber modulus and elasticity derived substantially from physical crosslinks is prepared by blending components including one crystalline pol... | 09/14/2010 |
| 7781529 | Blend of ionic (co)polymer resins and matrix (co)polymers The invention relates to polymeric resin blends containing polyelectrolyte resins blended into a polymer or copolymer matrix. Specifically, the polyelectrolyte resins are (co)polymers without hydrolyzable groups. The matrix polymer is a tough, and highly chemical-re... | 08/24/2010 |
| 7763680 | Melt-fabricable core/shell perfluoropolymer Core/shell polymer is provided wherein the core comprises non-melt flowable PTFE and the shell comprises melt-fabricable perfluoropolymer, the core/shell polymer providing a thixotropic melt blend and improved physical properties as compared to the melt-fabricable p... | 07/27/2010 |
| 7759458 | Process for the purification of vinyl chloride polymers (PVC) from heavy metals A process for the purification of a vinyl chloride polymer containing a compound of a heavy metal by: (a) dissolving the PVC in a solvent; (b) treating the solution with at least one additive capable of adsorbing o... | 07/20/2010 |
| 7732531 | Molded object process for producing the same product for high-frequency signal transmission and high-frequency transmission cable The present invention provides a molded article comprising a polytetrafluoroethylene resin (A) and a thermoplastic resin (B) having a melting point of not lower than 100° C. but lower than 322° C., wherein the maximum peak temperature of the endothermic curve appe... | 06/08/2010 |
| 7718736 | Base resistant FKM-TPV elastomers A processable rubber composition contains a double cured fluorocarbon elastomer dispersed in a matrix of a thermoplastic polymeric material. The cured elastomer contains repeating units derived from one or more fluorine-containing monomers, and further contains low ... | 05/18/2010 |
| 7683130 | Filled perfluoropolymer composition comprising a low melting fluoropolymer additive The present invention relates to plenum cables jacketed with a composition comprising perfluoropolymer, inorganic char-forming agent, and fluoropolymer additive, which composition passes the NFPA-255 burn test. ... | 03/23/2010 |
| 7666948 | Elastomer composition and molded body The present invention provides an elastomer composition comprising a mixture of (A) a perfluoroelastomer and (B) at least one elastomer selected from fluorine rubbers, silicone rubbers and ethylene-propylene based rubbers, in a mixing ratio (A/B) of from 0.5/99.5 to... | 02/23/2010 |
| 7662886 | Dynamic vulcanization of fluorocarbon elastomers containing peroxide cure sites Processable rubber compositions contain a vulcanized elastomeric material dispersed in a matrix of a thermoplastic polymeric material. The vulcanized elastomeric material is a peroxide cure polymeric material containing repeating units derived from fluorine-containi... | 02/16/2010 |
| 7652102 | Polymer containing fluoropolymer processing aid and catalyst neutralizer A polymeric composition having improved melt extrusion properties comprising: A) an olefin polymer; B) a catalyst neutralizer comprising a cationic derivative of a poly(oxyalkylene) compound; and C) a processing additive composition comprising a fluoropolymer and op... | 01/26/2010 |
| 7638581 | Fluoropolymer nanoparticle coating composition A fluoropolymer coating composition contains a homogeneous mixture of crystalline submicron fluoropolymer particles dispersed in a solvent-borne solution of less crystalline or amorphous fluororesin. The composition may be prepared by blending a latex containing cry... | 12/29/2009 |
| 7579409 | Polyetrafluoroethylene micropowder compositions A micropowder composition containing a granular PTFE micropowder, a fine powder PTFE micropowder, and a fine powder molding resin provides mixtures with fluoroelastomers containing copolymerized and alternating units of tetrafluoroethylene and propylene that provide... | 08/25/2009 |
| 7557164 | Membranes of fluorinated ionomer blended with nonionomeric fluoropolymers for electrochemical cells Blends of fluorinated ionomer with at least two nonionomeric fluoropolymers provide fuel cell membranes whose tensile strength and conductivity are superior to blends using a single fluoropolymer. ... | 07/07/2009 |
| 7553907 | Antistatic articles of melt processible fluoropolymer Melt processible fluoropolymer containing functional groups such as hydroxyl and nitrile have antistatic properties that make them suitable in articles and parts for use in conditions where static electricity can be a problem, such as copying machines and fuel lines... | 06/30/2009 |
| 7528198 | Fluororesin composition, process for preparing the same and cable coated with the same The present invention provides a fluororesin composition, which is excellent in moldability and crack resistance and particularly, does not cause cone break when coating an electric wire, a process for preparing the composition and a cable coated with the compositio... | 05/05/2009 |
| 7476711 | Blends of perfluoroelastomers and fluoroplastics Cured articles are prepared from a composition that comprises a blend of a perfluoroelastomer and 51-300 phr of a semi-crystalline thermoplastic copolymer comprising copolymerized units of tetrafluoroethylene and 5-12 weight percent of a perfluoro(alkyl vinyl ether)... | 01/13/2009 |
| 7449523 | Fluorocarbon elastomer compositions containing wear reducing additives Processable rubber compositions contain a vulcanized fluorocarbon elastomer and wear reducing additives dispersed in a matrix of a thermoplastic polymeric material. In one embodiment the matrix forms a continuous phase and the vulcanized elastomeric material is in t... | 11/11/2008 |
| 7449524 | Dynamic vulcanization with fluorocarbon processing aids A curable fluorocarbon elastomer is dynamically cured in the presence of a major amount of a non-curing thermoplastic material and a minor amount of a second fluorocarbon elastomer that does not cure under the dynamic vulcanization conditions. The non-curing elastom... | 11/11/2008 |
| 7435780 | Poly(arylene ether) compositions and methods of making the same A method of making a resin composition comprises melt mixing a first polymer comprising a polyamide powder or a polyester powder with a fluoropolymer at a temperature below a softening temperature of the fluoropolymer to form a first melt blend; fibrillating the flu... | 10/14/2008 |
| RE40516 | Composite articles including a fluoropolymer blend A composite article is provided which includes a blend component comprising a vinylidene fluoride containing fluoropolymer and a substantially non-vinylidene fluoride containing fluoropolymer, and a component including a substantially non-fluorinated polymer having ... | 09/23/2008 |
| 7420017 | Process for producing fluorocopolymer A process for preparing a fluorine-containing copolymer by an emulsion polymerization method in the presence of aqueous ammonia as a pH modifier, and a molded article obtainable by melt molding or crosslinking molding the fluorine-containing copolymer. In preparing ... | 09/02/2008 |
| 7414084 | Fluororesin powder coating composition and article having coating film A composition which can improve impact resistance of a coating film while maintaining superior weather resistance and gloss of the coating film of a fluororesin powder coating material is provided. A fluororesin powder coating composition containing the following pa... | 08/19/2008 |
| 7413697 | Pre-molding heat treatment of dynamic vulcanizates of fluorocarbon elastomers Methods for making processable rubber compositions containing fluorocarbon elastomers cured by polyol or phenol curative agents include an optional heat treating step before thermoplastic processing. In one aspect, a dynamic vulcanizate of a fluorocarbon elastomer c... | 08/19/2008 |
| 7402625 | Compositions and method for improving the processing of polymer composites A composition that employs a coupling agent with a fluoropolymer processing aid to address melt-processing issues related to the use of interfering components in melt-processable polymeric binders. ... | 07/22/2008 |
| 7396880 | Blend of ionic (co)polymer resins and matrix (co)polymers The invention relates to polymeric resin blends containing polyelectrolyte resins blended into a polymer or copolymer matrix. Specifically, the polyelectrolyte resins are (co)polymers without hydrolyzable groups. The matrix polymer is a tough, and highly chemical-re... | 07/08/2008 |
| 7390848 | Process aid for melt processable polymers Extrusion processability of non-fluorinated melt-processable polymers is improved by introducing a fluoropolymer process aid by means whereby the weight average particle size of the fluoropolymer is greater than 2 microns as it reaches the extruder die entrance.... | 06/24/2008 |
| 7371799 | Blends of amorphous and semicrystalline polymers having shape memory properties Blends of amorphous and semicrystalline polymers having shape memory properties were prepared by blending a crystalline polymer such as poly(vinylidene fluoride), polylactide, poly(hydroxxybutyrate), poly(ethylene glycol) polyethylene, polyethylene-co-vinyl acetate,... | 05/13/2008 |
