Class / Patent application number | Description | Number of patent applications / Date published |
525326200 | Polymer derived from fluorine monomer | 61 |
20080293891 | Process for coagulating fluoroelastomers - In a process for the manufacture of fluoroelastomers, a water-soluble polymeric coagulant is employed that is an aqueous solution of polyethyleneimine or its copolymers. | 11-27-2008 |
20090069502 | CROSS-LINKABLE COMPOUNDS COMPRISING A PERFLUOROPOLYETHER MOIETY - The invention pertains to a cross-linkable compound comprising a perfluoropolyether (PFPE) moiety derived from an hydroxy-terminated PFPE-oil, which is bonded through a spacer with an ethylenically unsaturated group, wherein the spacer extends over at least three carbon atoms. The invention further relates to a perfluoropolyether rubber obtainable by hydrosilating said cross-linkable compound and to an apparatus for transferring a toner image from an image-forming medium to a receiving medium. | 03-12-2009 |
20100029856 | COATING COMPOSITIONS HAVING CROSSLINKED FLUOROAROMATIC POLYMERS - A crosslinked fluoroaromatic polymer having at least one crosslinked fluoropolymer chain and at least one fluorinated aromatic segment, wherein the crosslinked fluoropolymer chain is crosslinked to the fluorinated aromatic segment via a nucleophilic curing agent, and processes for preparation thereof. | 02-04-2010 |
20100249333 | RADICALLY COUPLED PTFE POLYMER COMPOUNDS AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to the field of chemistry and relates to radically coupled PTFE polymer compounds that can be used, for example, as tribo materials, and a method for the production thereof. The object of the invention is to disclose radically coupled PTFE polymer compounds which exhibit improved wear resistances with comparable gliding properties, and furthermore a simple and efficient method for the production of such compounds. The object is attained through radically coupled PTFE polymer compounds comprising radiation-chemically and/or plasma-chemically modified PTFE powders, on the particle surface of which olefinically unsaturated polymers are chemically radically coupled by a reactive conversion into a melt. The object is further attained through a method for producing radically coupled PTFE polymer compounds, in which PTFE powders are reactively converted with reactive perfiuoroalkyl-(peroxy) radical centers after a radiation-chemical and/or plasma-chemical modification into a melt with the addition of olefinically unsaturated polymers. | 09-30-2010 |
20100292408 | PROCESS FOR PREPARING END-MODIFIED VINYLIDENE FLUORIDE ELASTOMER - The present invention provides a preparation process for converting to a vinylidene fluoride elastomer having a group having sulfinic acid, sulfinic acid derivative, sulfonic acid or sulfonic acid derivative at one end or both ends of its trunk chain, and the preparation process provides a vinylidene fluoride elastomer having, at one end or both ends of its trunk chain, end groups represented by the formula: —CR | 11-18-2010 |
20100311912 | ANTIMICROBIAL SURFACES - The present invention relates to substrates comprising a surface to which a compound is immobilized, methods for immobilizing the compounds to substrates, as well as devices, such as medical devices, comprising said substrates. Also described are compounds suitable for use in preparing such substrates. Compounds immobilized on the substrates and compounds for preparing such substrates include antimicrobial and/or anti-inflammatory compounds according to Formulas (I), (II), (III), (IV), (V), (VI), and (VII) described herein. | 12-09-2010 |
20110136985 | MOLDED ARTICLE HAVING A MOLD IMPARTED RELEASE LAYER COATING - A process for molding an article is provided that includes applying a permanent release coating to a surface of a mold cavity. The permanent release coating is over layered with a top coat that upon filling the mold cavity with a polymer or a polymer precursor under conditions to form the article, the top coat is transferred to the resultant article to form a top coat skin without appreciably removing the permanent release coating from the surface of the mold cavity. Articles having curved surfaces and high aspect ratios are particularly well suited for forming a top coat skin thereon through the process. An unsaturated top coat material is noted to react with the polymer or polymer precursor during molding to form a top coat skin that is covalently bonded to the remainder of the article. The process detailed herein is particularly well suited for forming covalently bonded coatings on elastomeric articles. The top coat skin provides a lower coefficient of friction, modified hydrophobicity, resistance to attack by solvents and other chemical agents, as well as blocking resistance changes relative to the base article absent the top coat. A benefit of the present invention is that post-molding application of a comparable top coat is thereby avoided. | 06-09-2011 |
20110269911 | FLUOROELASTOMER, CURABLE COMPOSITION AND CURED RUBBER ARTICLE - A noncrystalline fluoroelastomer which is a copolymer consisting essentially of vinylidene fluoride and a fluoromonomer represented by the general formula (1): | 11-03-2011 |
20120016089 | PROCESS FOR PRODUCTION OF FLUORINE-CONTAINING POLYMERS AND FLUORINE-CONTAINING POLYMERS - A method of producing a fluoropolymer by which a melt-processable fluoropolymer (A) having a specific unstable terminal group or groups (P) is subjected to melt-kneading in a kneader having a stabilization treatment zone to thereby produce a fluoro-polymer (B) resulting from conversion of the specific unstable terminal group or groups (P) to —CF | 01-19-2012 |
20120190796 | FLUORINATED ELASTIC COPOLYMER AND PROCESS FOR ITS PRODUCTION, AND CROSSLINKED RUBBER ARTICLE - To provide a fluorinated elastic copolymer excellent in crosslinkability irrespective of the molecular weight and a process for its production, as well as a crosslinked rubber article. | 07-26-2012 |
20130046062 | METHOD FOR REACTING - Provided is a method for efficiently and homogeneously reacting an ETFE having a functional group and a compound having a reactive functional group which can react with the functional group. A method for reacting an ethylene/tetrafluoroethylene copolymer having a functional group, which comprises reacting, in the presence of a solvent which can dissolve the ethylene/tetrafluoroethylene copolymer having a functional group, the ethylene/tetrafluoroethylene copolymer having a functional group and a compound (A) having a reactive functional group which can react with the functional group, in a dissolved state. | 02-21-2013 |
20130066018 | CURABLE FLUOROELASTOMER COMPOSTION - Fluoroelastomer compositions comprising fluoroelastomers having copolymerized units of a nitrile group-containing cure site monomer are cured with certain hydroxylamine derivatives. The hydroxylamine derivative is of formula R | 03-14-2013 |
20130072636 | CURABLE FLUOROELASTOMER COMPOSITION - Fluoroelastomer compositions comprising fluoroelastomers having copolymerized units of a nitrile-containing cure site monomer are cured with certain hydrazide curatives. The hydrazide is of the general formula R | 03-21-2013 |
20130190456 | CURABLE COMPOSITION, MOLDED ARTICLE AND METHOD FOR PRODUCING MOLDED ARTICLE - The present invention aims to provide a curable composition excellent in storage stability and scorch resistance. The present invention provides a curable composition including a fluoroelastomer (A) that contains a cyano group in a main chain and/or a side chain thereof, and a compound (B) that is at least one compound selected from the group consisting of an amide compound and a hydrazide compound, the compound (B) having at least one structure selected from the group consisting of azo structure, hydrazine structure, and imine structure, and producing NH | 07-25-2013 |
20130197163 | Fluoroelastomers - The invention pertains to peroxide-curable fluoroelastomers for the oil and gas industry, including explosive decompression, and which can be easily processed to yield cured parts in standard machineries at reasonable throughput rates, said fluoroelastomers comprising:
| 08-01-2013 |
20130274420 | FLUOROELASTOMER, CURABLE COMPOSITION AND CURED RUBBER ARTICLE - A noncrystalline fluoroelastomer which is a copolymer consisting essentially of vinylidene fluoride and a fluoromonomer represented by the general formula (1): | 10-17-2013 |
20130281631 | PHOSPHONIC ACID POLYMER, PRODUCTION METHOD OF SAME, AND ELECTROLYTE FILM FUEL CELL - A phosphoric acid polymer containing a repeating unit represented by the following formula (1): | 10-24-2013 |
20130310522 | COMPOSITE RESINOUS PARTICLES, METHOD OF PRODUCING COMPOSITE RESINOUS PARTICLES, COMPOSITE RESIN MOLDED BODY, AND METHOD OF PRODUCING SAME - A composite resin material particle is produced by a method including the steps of: forming a mixed slurry containing a resin material particle and carbon nanotubes; supplying the mixed slurry to a pressure vessel, followed by supplying carbon dioxide with stirring an inside of the pressure vessel; holding the inside of the pressure vessel at a temperature and at a pressure which allow the carbon dioxide to be maintained in a subcritical or supercritical state; and transferring the carbon dioxide to the outside of the pressure vessel. | 11-21-2013 |
20130317178 | ACTIVE POLYMERIC FILTERS - A polymer includes at least one pendant dioxirane moiety represented by Formula III or IV: | 11-28-2013 |
20140114024 | AZIDE-CONTAINING FLUOROPOLYMERS AND THEIR PREPARATION - Fluoropolymers containing one or more azide group wherein the azide group is not a sulfonyl-azide group and processes of preparing them. | 04-24-2014 |
20150126681 | ORGANIC-INORGANIC COMPOSITE FILM AND METHOD FOR MANUFACTURING THE SAME - A method of manufacturing an organic-inorganic composite film is provided. The method includes co-sputtering an inorganic target and a fluorine-containing organic polymer target, thereby simultaneously depositing atoms from the inorganic target and atoms from the fluorine-containing organic polymer target on a substrate. As such, an organic-inorganic composite film is obtained. The organic-inorganic composite film includes a homogeneous, amorphous, and nonporous material composed of carbon, fluorine and/or chlorine, oxygen and/or nitrogen, and inorganic element M. The inorganic element M forms chemical bondings with carbon, fluorine, chlorine, oxygen and/or nitrogen, and wherein the bond length forms therefore is less than 2.78 Å. | 05-07-2015 |
20150322224 | A PROCESS FOR REDUCING THE ELECTROSTATIC POTENTIAL OF PERFLUOROELASTOMER ARTICLES - This invention is a process for reducing the electrostatic potential of a perfluoroelastomer article wherein a perfluoroelastomer article is treated with a sodium naphthalide solution, washed and treated with ammonium hydroxide. | 11-12-2015 |
20150344605 | METHOD OF MAKING FLUOROPOLYMERS WITH A POLYIODIDE, COMPOSITIONS AND ARTICLES THEREOF - Described herein is a method of making a fluoropolymer and fluoropolymers thereof, wherein the method comprises: (a) providing an aqueous solution comprising a water soluble polyiodide salt of Formula (I): M | 12-03-2015 |
20150349263 | INTERLAYER FOR ELECTRONIC DEVICES - Embodiments in accordance with the present invention provide for the use of polycycloolefins in electronic devices and more specifically to the use of such polycycloolefins as interlayers applied to fluoropolymer layers used in the fabrication of electronic devices, the electronic devices that encompass such polycycloolefin interlayers and processes for preparing such polycycloolefin interlayers and electronic devices. | 12-03-2015 |
20160083489 | FLUOROPOLYMERS COMPRISING MONOMERIC UNITS DERIVED FROM A VINYL PERFLUOROALKYL OR VINYL PERFLUOROALKYLENOXIDE PERFLUOROVINYL ETHER - Described herein is a composition comprising a fluoropolymer derived from the polymerization of a polymerizable fluorinated olefnic monomer and a hydrocarbon olefin-containing perfluoro vinyl ether monomer selected from CF | 03-24-2016 |
20160108163 | POLYLACTIC ACID (PLA) WITH LOW MOISTURE VAPOR TRANSMISSION RATES BY GRAFTING THROUGH OF HYDROPHOBIC POLYMERS DIRECTLY TO PLA BACKBONE - Polylactic acid-backbone graft and bottlebrush copolymers with low moisture vapor transmission rates are synthesized by polymerizing a lactide-functionalized hydrophobic macromonomer using ring-opening polymerization (ROP). In some embodiments of the present invention, the macromonomer is a lactide-functionalized hydrophobic polymer that may be synthesized by, for example, polymerizing a hydrophobic monomer (e.g., a fluorinated vinyl monomer such as 2,2,2-trifluroethyl methacrylate) capable of undergoing radical polymerization (e.g., styrenic, vinylic, acrylic, etc.) using a brominated lactide initiator via atom transfer radical polymerization (ATRP). The brominated lactide initiator may be 3-bromo-3,6-dimethyl-1,4-dioxane-2,5-dione prepared by, for example, reacting lactide with N-bromosuccinimide in the presence of benzoyl peroxide. | 04-21-2016 |
525326300 | Vulcanized or crosslinked in presence of chemical treating agent | 31 |
20090076225 | VULCANIZABLE HALOGENATED ELASTOMER COMPOSITIONS - The invention provides compositions comprising nitrogen containing chelating agents, which can be used to reduce the effects of zinc contamination on the vulcanization rates of polymercapto based cure systems for halogenated elastomers. Such chelating agents are effective at eliminating vulcanization rate inconsistencies due to zinc contamination, without inducing negative changes to the vulcanization reaction or the subsequent physical properties of the halogenated elastomer vulcanizate. The invention also provides methods of curing a halogenated elastomer using the inventive compositions, and for articles prepared from the same. | 03-19-2009 |
20090186986 | NOVEL FLUORINATED POLYMER - The present invention provides a fluorinated polymer excellent in the crosslinking reactivity, crosslinked rubber physical properties and chemical resistance, and its crosslinked rubber. | 07-23-2009 |
20090221758 | PERFLUOROELASTOMER COMPOSITION AND MOLDED ARTICLE HEREOF - The present invention provides a perfluoroelastomer composition comprising: a perfluoroelastomer having a nitrogen-containing curing site; and a catalyst mixture comprising: a tertiary amine; and an organic dicarboxylic acid represented by general formula (1) or (2) in an amount of 0.4 to 2 mol per mol of the tertiary amine: | 09-03-2009 |
20090306303 | CURABLE BASE-RESISTANT FLUOROELASTOMERS - Compositions of fluoroelastomers containing copolymerized units of tetrafluoroethylene, propylene, optionally vinylidene fluoride, and a cure site monomer selected from the group consisting of i) trifluoroethylene, ii) 3,3,3-trifluoropropene-1, iii) 1,2,3,3,3-pentafluoropropylene, iv) 1,1,3,3,3-pentafluoropropylene, and v) 2,3,3,3-tetrafluoropropene are readily curable with polyhydroxy curatives and at least one vulcanization accelerator of formula R | 12-10-2009 |
20100016511 | FLUOROELASTOMER COMPOSITION CONTAINING PROCESS AID - Polyhydroxy curable fluoroelastomer compositions contain at least one process aid that is an aminosilicone having only a single primary amine group per polysiloxane molecule. | 01-21-2010 |
20100016512 | Fluorescent Nanoparticles - A fluorescent nanoparticle includes a core comprising an alkenylbenzene; an intermediate layer, an outer shell layer, and a fluorescent portion. The fluorescent portion includes a structure represented by the following formula: | 01-21-2010 |
20100029857 | VULCANIZABLE POLYMER COMPOSITIONS - A novel vulcanizable polymer composition is provided which is characterized by a specific combination of a polyamine crosslinking agent and a particular crosslinking accelerator. Furtheron polymer vulcanizates on the basis of such polymer compositions as well as method for preparing such polymer vulcanizate is provided, in particular in the form of mouldings or shaped parts. | 02-04-2010 |
20100076159 | Fluoroelastomer Composition - An ionically crosslinkable fluoroelastomer composition comprising:
| 03-25-2010 |
20100120988 | FLUORINE-CONTAINING ELASTOMER COMPOSITION AND SEALING MATERIAL MADE OF SAME - A fluorine-containing elastomer composition assuring a low compression set and comprising a perfluoroelastomer (A) comprising (a) 18 to 33% by mole of a perfluoro(alkyl vinyl ether) unit, (b) 0.3 to 0.6% by mole of a monomer unit having at least one selected from the group consisting of a nitrile group, a carboxyl group and an alkoxycarbonyl group and (c) a tetrafluoroethylene unit. | 05-13-2010 |
20100261849 | FUEL MANAGEMENT SYSTEMS HAVING A FLUORORUBBER ARTICLE IN CONTACT WITH BIODIESEL FUEL - Disclosed herein is a fuel management system having at least one fluororubber article in contact with biodiesel fuel wherein said fluororubber article comprises i) a polyhydroxy cured fluoroelastomer comprising copolymerized units of vinylidene fluoride and at least one other fluoromonomer, and ii) 1 to 10 parts by weight of a diester of a dicarboxylic acid per hundred parts fluoroelastomer. Also disclosed is a method for reducing volume swell of a polyhydroxy cured fluororubber article in contact with biodiesel fuel wherein 1 to 10 parts by weight of a diester of a dicarboxylic acid is incorporated into said article. | 10-14-2010 |
20100286341 | FLUORINE-CONTAINING ELASTOMER - Disclosed is a fluorine-containing elastomer having a copolymerization composition containing (A) 72.8 to 74.0 mol % of tetrafluoroethylene, (B) 26.8 to 24.0 mol % of perfluoro (lower alkyl vinyl ether) or perfluoro (lower alkoxy-lower alkyl vinyl ether), and (C) 0.2 to 3.0 mol % of a perfluoro unsaturated nitrile compound, and having a Mooney viscosity ML | 11-11-2010 |
20110009568 | Fluororubber Composition Capable of Forming Crack-Resistant Seal and Crack-Resistant Seal Formed from the Composition - A fluororubber composition according to the present invention contains 0.1 to 3 parts by weight of a polyol compound, 0.1 to 4 parts by weight of a peroxide crosslinking agent, and 1 to 9 parts by weight of a co-crosslinking agent per 100 parts by weight of a peroxide-crosslinkable fluoropolymer. A crack-resistant seal according to the present invention contains a crosslinked fluoropolymer and a polyol compound. The crack-resistant seal according to the present invention can be formed by crosslinking the fluororubber composition, and the resultant crack-resistant seal has particularly high crack resistance. With the fluororubber composition according to the present invention, a durable crack-resistant seal having high plasma resistance, crack resistance, and compression set and that produces few particles can be formed at low cost. | 01-13-2011 |
20110028655 | PERFLUOROELASTOMER SEAL MATERIAL - The present invention provides a perfluoroelastomer seal material in which adhesive strength, contamination, corrosion and color change of a contacted surface with a seal material are improved, and an amount of an uncrosslinked polymer component is at most 1% by weight, measured under specific conditions, and a process for preparing the same. The present invention relates to a perfluoroelastomer seal material, wherein a rate of weight decrease is at most 1% by weight when the seal material is immersed into perfluoro(tri-n-butyl) amine at 60° C. for 70 hours and is dried at 90° C. for 5 hours, 125° C. for 5 hours and 200° C. for 10 hours after taken out of the emersion. And, the present invention also relates to a process for preparing a perfluoroelastomer seal material comprising a step of treating with a solvent having at least 50% of a swelling rate based on said molded article, when said molded article is immersed at 60° C. for 70 hours. | 02-03-2011 |
20110166296 | PEROXIDE-CROSSLINKABLE FLUOROELASTOMER - Disclosed is a peroxide-crosslinkable fluoroelastomer obtained by copolymerization of 0.1 to 20 mol % of a mixture of fluoroolefin iodides represented by the general formulae: C | 07-07-2011 |
20110207889 | FLUORINATED ELASTIC COPOLYMER, PROCESS FOR PRODUCING SAME, AND CROSSLINKED RUBBER - To provide a fluorinated elastic copolymer having a high crosslinkability and flowability and excellent in the compression set and the resistance to bases, and a process for its production, and a crosslinked rubber. | 08-25-2011 |
20110207890 | PERFLUOROELASTOMER COMPOSITION - There is provided a perfluoroelastomer composition having a low glass transition temperature and excellent cold resistance and heat resistance and comprising a perfluoroelastomer comprising a tetrafluoroethylene unit (a), a perfluoro vinyl ether unit (b) and a cure site unit (c) having nitrile group, carboxyl group and/or alkoxycarbonyl group as a cure site, wherein the perfluoro vinyl ether unit (b) is contained in an amount of 8 to 23% by mole in the perfluoroelastomer. | 08-25-2011 |
20110263795 | CROSSLINKABLE COMPOSITION AND MOLDED ARTICLE MADE OF SAME - The present invention provides a crosslinkable composition being capable of providing a molded article and a sealing material for an oxygen sensor which have excellent long-term heat resistance and satisfactory compression set. Also there is provided a molded article and a sealing material for an oxygen sensor which have excellent long-term heat resistance and satisfactory compression set. The crosslinkable composition comprises (A) a compound having at least one specific crosslinkable reaction group and (B) a nonperfluoro fluorine-containing elastomer being crosslinkable with the compound (A). | 10-27-2011 |
20120077938 | VIBRATION ISOLATION RUBBER - The present invention provides a vibration isolation rubber excellent not only in heat-aging resistance and oil resistance but also in mechanical properties at high temperatures. The vibration isolation rubber of the present invention comprises a cross-linked fluororubber layer obtainable by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B). The cross-linked fluororubber layer has a loss modulus E″ of 400 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test (measurement temperature: 160° C., tensile strain: 1%, initial force: 157 cN, and frequency: 10 Hz). | 03-29-2012 |
20120077939 | FLUORORUBBER MOLDED ARTICLE - The present invention provides a fluororubber formed product having excellent heat resistance and excellent mechanical properties at high temperatures. The formed product comprises a cross-linked fluororubber product obtainable by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B), the fluororubber (A) being a vinylidene fluoride fluororubber including 48 to 88 mol % of a structural unit derived from vinylidene fluoride and 0 to 10 mol % of a structural unit derived from tetrafluoroethylene relative to the total amount 100 mol % of structural units derived from all monomer components, the cross-linked fluororubber product having a loss modulus E″ of 400 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test (measurement temperature: 160° C., tensile strain: 1%, initial force: 157 cN, and frequency: 10 Hz). | 03-29-2012 |
20120264887 | Curable composition - The invention relates to the use of 1,5-enediyne compounds of formula (I) as curing agents in polymeric systems. In particular the invention relates to a curable composition comprising a curing agent of formula (I) and a polymer suitable to be cross-linked and to the cured article obtained therefrom. | 10-18-2012 |
20120289661 | FLUORINATED ELASTIC COPOLYMER AND METHOD FOR ITS PRODUCTION - To provide a fluorinated elastic copolymer which is excellent in crosslinking reactivity and extrusion moldability and which is curable to obtain a rubber excellent in permanent compression set resistance, base resistance and oil resistance and particularly suitable as a covering material for electric wires. A fluorinated elastic copolymer obtained by copolymerizing tetrafluoroethylene, propylene and optionally another monomer, wherein the molar ratio (a)/(b) of repeating units (a) derived from tetrafluoroethylene to repeating units (b) derived from propylene in the fluorinated elastic copolymer is from 60/40 to 75/25, and repeating units (c) derived from said another monomer is from 0 to 10 mol % in the fluorinated elastic copolymer. | 11-15-2012 |
20120296047 | CROSSLINKABLE POLYTETRAFLUOROETHYLENE AND POLYTETRAFLUOROETHYLENE MOLDED BODY OBTAINED BY CROSS-LINKING REACTION OF THE CROSSLINKABLE POLYTETRAFLUOROETHYLENE - A crosslinkable polytetrafluoroethylene includes at least one type of reactive functional group selected from a group consisting of a cyano group (—CN) and a first functional group represented by | 11-22-2012 |
20130023629 | TRIAZINE DERIVATIVES AND APPLICATION THEREOF - The object of the present invention is to provide a novel triazine derivative which is excellent in the heat resistance and rapid in the cross-linking rate, and can be suitably used as a crosslinking agent. | 01-24-2013 |
20130053519 | ACID RESISTANT FLUOROELASTOMER COMPOSITIONS - Disclosed herein is a curable composition comprising a peroxide curable fluoroelastomer, an organic peroxide, a multifunctional coagent and an acid acceptor selected from the group consisting of carboxylic acid salts of bismuth and a bismuth oxycarboxylate. Cured articles made therefrom are resistant to volume swell in acids and in biodiesel fuel and said cured articles exhibit good heat resistance. | 02-28-2013 |
20130072637 | CROSSLINKED FLUOROPOLYMER NETWORKS - Disclosed herein is a crosslinked fluoropolymer network formed by the free radical initiated crosslinking of a diacrylate fluoropolymer The diacrylate copolymer is of formula CH | 03-21-2013 |
20130165594 | CURABLE COMPOSITION, MOLDED ARTICLE OBTAINED FROM SAME AND PROCESS FOR PRODUCTION OF MOLDED ARTICLE - A curable composition including a fluorine-containing elastomer having a cyano group in its trunk chain and/or side chain and inorganic nitride particles in an amount of 0.1 to 20 parts by weight based on 100 parts by weight of the fluorine-containing elastomer, or a curable composition including a specific crosslinking agent selected from an oxazole crosslinking agent, an imidazole crosslinking agent and a thiazole crosslinking agent, a fluorine-containing elastomer having a cure site crosslinkable with the crosslinking agent and inorganic nitride particles. Also disclosed is a molded article obtained by curing the above-mentioned curable composition, and a process for production of a molded article which includes a step of primary vulcanization of the curable composition and a step of secondary vulcanization following the primary vulcanization. | 06-27-2013 |
20130345365 | CURABLE FLUOROELASTOMER COMPOSITION - Fluoroelastomer compositions comprising fluoroelastomers having copolymerized units of a nitrile-containing cure site monomer are cured with certain phenol hydrazine complex curatives. | 12-26-2013 |
20140051811 | RESIN MATERIAL - A resin material contains a polymer of a composition containing an isocyanate and an acrylic resin having OH-group-containing side chains in which a proportion of OH-group-containing side chains each having 6 or more carbon atoms relative to all of the OH-group-containing side chains is about 76 mol % or more and about 100 mol % or less. | 02-20-2014 |
20150099850 | FLUORINE-CONTAINING ELASTOMER AND A VULCANIZABLE COMPOSITION THEREOF - A quaternary copolymer, fluorine-containing elastomer having a copolymerization composition comprising:
| 04-09-2015 |
20150148493 | CURABLE FLUOROELASTOMER COMPOSITION - Compositions comprising fluoroelastomers having copolymerized units of a cyano-containing cure site monomer are cured (i.e. crosslinked) with certain aromatic diazide curatives. The crosslinks are tetrazole rings formed by the reaction of the aromatic diazide with pendant cyano groups on the fluoroelastomer. | 05-28-2015 |
20160376409 | Rapid Gas Decompression-Resistant Fluoroelastomer Compositions and Molded Articles - The disclosure herein includes rapid gas decompression (RGD)-resistant fluoroelastomeric compositions and includes a curable fluoropolymer having a curesite monomer with at least one functional group capable of curing with a peroxide curative. The compositions include a bisphenyl-based curative and an organic peroxide curative and an organic peroxide co-curative. The fluoroelastomeric compositions have a ratio of the bisphenyl-based curative to the organic peroxide co-curative of about 0.25:1 to about 1.5:1 and a ratio of the bisphenyl-based curative to the organic peroxide of about 0.5:1 to about 1.5:1. Such compositions can be formed into seals meeting RGD industry standards in a variety of sizes, up to and/or exceeding 5 mm in thickness or cross-sectional diameter. | 12-29-2016 |
525326400 | Halogen containing chemical treating agent; or dehalogenated | 4 |
20090030154 | METHOD FOR PRODUCING STABILIZED FLUOROPOLYMER - It is an object of the present invention to provide a novel method for producing a fluoropolymer according to which unstable terminal groups can be sufficiently stabilized under mild conditions. This invention is related to a method for producing a stabilized fluoropolymer comprising subjecting a fluoropolymer to be treated containing no —SO | 01-29-2009 |
20100063214 | PROCESS FOR PRODUCING FLUORINATION-TREATED PERFLUOROPOLYMER - To provide a process for efficiently producing a perfluoropolymer having unstable terminal groups reduced. | 03-11-2010 |
20110301299 | Medical Devices and Polymers Therefor Having PTFE Surfaces Modified With Nitric Oxide-Releasing Polymers - Described herein are polymers useful for forming or coating implantable medical devices and such medical devices. The polymers are biocompatible and hemocompatible and comprise PTFE surfaces modified by covalently linking a nitric oxide releasing polymer to the PTFE surface through a linking group. Further described are precursor polymers and processes for preparing such polymers and precursor polymers. | 12-08-2011 |
20130041110 | STABILIZED FLUOROPOLYMER AND METHOD FOR PRODUCING SAME - The present invention provides a method for producing a stabilized fluoropolymer which comprises producing the stabilized fluoropolymer by subjecting a treatment target substance containing a sulfonic-acid-derived-group-containing fluoropolymer to a fluorination treatment, wherein the sulfonic-acid-derived-group-containing fluoropolymer is a fluoropolymer containing —SO | 02-14-2013 |