Fluorine-containing Monomer Patents (Class 524/520)
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Publication number: 20130022740Abstract: Blended fluoropolymer compositions that, in one exemplary application, may be applied as a coating to a substrate and, optionally, may be applied to a substrate that has been previously coated with a primer or basecoat and/or a midcoat. In one embodiment, the composition is a blend of at least one high molecular weight trace modified polytetrafluoroethyelene (TMHPTFE) and at least one melt-processible fluoropolymer (MPF). After being applied to the substrate, optionally over a primer or basecoat and/or midcoat, and then cured, the present compositions form coatings that demonstrate improved abrasion resistance and/or improved release characteristics and/or increased translucency/transparency and/or improved impermeability. The present compositions may also be used to produce films having a high degree of clarity and impermeability. The present compositions in powder form may be melt or paste extruded to form articles with improved impermeability.Type: ApplicationFiled: April 11, 2011Publication date: January 24, 2013Applicant: WHITFORD CORPORATIONInventors: Leonard W. Harvey, Helen L. Brain, Susan J. Roberts-Bleming, Lawrence D. Leech, Thomas J. Bate
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Patent number: 8357748Abstract: Peroxide curable fluoroelastomer compositions and articles made therefrom are disclosed. The compositions contain 5 to 45 weight percent, based on total weight of all fluoroelastomers present in the composition, of a blend of dynamically cured fluoroelastomer particles in an uncured fluoroelastomer. The compositions are unfilled, but have tensile properties adequate for many end use applications and are particularly useful as seals in semiconductor manufacturing equipment.Type: GrantFiled: May 26, 2011Date of Patent: January 22, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Ronald D. Stevens, Shuhong Wang
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Patent number: 8357739Abstract: A thermoplastic composition that includes a base polymer, a fluoropolymer, and a fluoride scavenger having suitable fluoride levels such that use in the electronics industry is appropriate. An extrusion method may be used for making the thermoplastic composition. The compositions may then be used to form a molded article. The composition has lower fluoride levels as compared to thermoplastic compositions without the fluoride scavenger making it suitable for use in electronic applications, as well as medical or food or beverage applications where fluoride ions are a concern.Type: GrantFiled: December 11, 2006Date of Patent: January 22, 2013Assignee: Sabic Innovative Plastics IP B.V.Inventors: Xin Huang, Tong Sun, Huagui Yang, David Xiangping Zou
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Publication number: 20130017487Abstract: Topcoat layer compositions are provided that are applied above a photoresist composition. The compositions find particular applicability to immersion lithography processing.Type: ApplicationFiled: July 13, 2012Publication date: January 17, 2013Applicant: Rohm and Haas Electronic Materials LLCInventors: Deyan Wang, Chunyi Wu
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Patent number: 8349959Abstract: A seal is formed of a material including a crosslinked fluoropolymer. The seal substantially prevents leaks in a high pressure pump.Type: GrantFiled: December 24, 2009Date of Patent: January 8, 2013Assignee: Saint-Gobain Performance Plastics CorporationInventors: Robert T. Racicot, Jon M. Lenhert, Karthik Vaideeswaran, Christopher Comeaux
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Patent number: 8324285Abstract: Provided are methods of treating an open cell polyimide foam product to produce a treated polyimide foam product having a property of repelling water or oil. The method includes the steps of: selecting a polyimide foam product having an external surface area and an open cell structure that has an interior surface area, wetting the exterior surface area and the interior surface area with a chemical treatment fluid comprising a treatment chemical that has a property of repelling water or oil, and distributing the treatment chemical onto at least a portion of the interior surface area sufficient to modify a surface property of the interior surface. Also provided are treated polyimide foam products that have an open cell polyimide foam substrate with an interior surface area and a treatment chemical on at least a portion of the interior surface area. The treatment chemical renders the interior surface hydrophobic or oleophobic.Type: GrantFiled: November 6, 2007Date of Patent: December 4, 2012Assignee: The Boeing CompanyInventor: George F. Nicholas
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Publication number: 20120296030Abstract: The present application is directed to a primer composition comprising a fluorinated polymer and a nitrogen containing polymer. In some embodiments, the fluorinated polymer is a copolymer. In some embodiments, the fluorinated polymer is chlorinated. In some embodiments, the nitrogen containing polymer is amino functional, and in some embodiments, the nitrogen containing polymer is amide functional.Type: ApplicationFiled: January 20, 2011Publication date: November 22, 2012Applicant: 3M Innovative Properties CompanyInventor: Chih-Chung Hsu
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Publication number: 20120295117Abstract: A coating material including a perfluorocarbon sulfonic acid resin which is a copolymer including a polymerization unit represented by —(CF2—CFZ)—, in the formula, Z being H, Cl, F, or a C1-C3 perfluoroalkyl group, and a polymerization unit represented by —(CF2—CF(—O—(CF2)m—SO3H))—, in the formula, m being an integer of 1 to 12, and the perfluorocarbon sulfonic acid resin has an equivalent weight EW of 200 to 1000. Also disclosed is a laminate including a base material and a hydrophilic layer formed from the coating material.Type: ApplicationFiled: January 31, 2011Publication date: November 22, 2012Applicants: DAIKIN INDUSTRIES, LTD., ASAHI KASEI E-MATERIALS CORPORATIONInventors: Yuko Iizuka, Naoto Miyake, Tadashi Ino, Masahiro Kondo, Katsuhiko Imoto
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Publication number: 20120296029Abstract: Fluorine-containing multifunctional microspheres and applications thereof are provided. There are provided multifunctional microspheres comprising polymer chains having a first portion and a second portion, wherein the first portion is anchored to the surface of the multifunctional microsphere via grafting, crosslinking or a combination thereof, and the second portion comprises at least one fluorinated group and at least one reactive functional group capable of forming a covalent bond with an adhesive, and uses thereof to prepare amphiphobic coatings on material surfaces. Also provided are multifunctional microspheres comprising two or more different types of such polymer chains, wherein the relative proportions of the different polymer chains may be tuned during preparation of the multifunctional microspheres.Type: ApplicationFiled: May 1, 2012Publication date: November 22, 2012Inventors: Guojun Liu, Dean Xiong
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Publication number: 20120270980Abstract: Presently described are coating compositions comprising a polymerizable resin composition and a non-ionic unpolymerizable surfactant. In some embodiments, the coating comprises greater than 10 wt-% of non-ionic unpolymerizable surfactant. In other embodiments, the coating composition comprises an an additive comprising a silicone group or a fluorinated group and a hydrophobic group. Also described are articles comprising the cured coating compositions. In one embodiment, an article is described comprising a cured coating wherein the cured coating exhibits a property of an initially visible simulated fingerprint reducing in visibility in 1-20 minutes. Also described is a method of determining the fingerprint visibility of a coating composition and a polyacylate composition useful as an additive. In another embodiment a coated surface is described comprising a polymeric organic material comprising a plurality of pores wherein a portion of the pores are interconnected and comprise a lipophilic liquid.Type: ApplicationFiled: June 19, 2012Publication date: October 25, 2012Inventors: Richard J. Pokorny, Thomas P. Klun, Christopher B. Walker, JR., David B. Olson, Joan M. Noyola, Michelle L. Toy, Evan L. Schwartz
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Publication number: 20120264053Abstract: Topcoat layer compositions are provided that are applied above a photoresist composition. The compositions find particular applicability to immersion lithography processing.Type: ApplicationFiled: April 12, 2012Publication date: October 18, 2012Applicant: Rohm and Haas Electronic Materials LLCInventor: Deyan WANG
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Publication number: 20120237778Abstract: The present invention provides aqueous coating compositions for metal substrates, where the coating provides improved corrosion resistance compared to conventional aqueous corrosion resistant coatings. The coating comprises (a) one or more functionalized acrylic polymer; (b) one or more melamine resin; (c) one or more perfluorinated polymer; and (d) one or more dispersing polymer selected from the group consisting of polyimide (P1), polyamideimide (PAI), polyether sulfone (PES), polyphenylene sulfide (PPS), and a mixture thereof. The composition is particularly useful for fasteners, such as nuts and bolts, used in marine environments.Type: ApplicationFiled: September 14, 2011Publication date: September 20, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: XUEPU MAO, Jeffrey Hugh Hamilton, Michael J. Witsch, Craig King Hennessey
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Publication number: 20120237760Abstract: The present invention relates to a method for increasing the water resistance of a porous material, in particular wood, in which method a block-polymer comprising at least one hydrophobic block and at least one hydrophilic block, is dissolved in a fluid and applied to the material under supercritical conditions.Type: ApplicationFiled: October 15, 2010Publication date: September 20, 2012Applicant: VKR Holding A/SInventor: Finn Imsgard
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Patent number: 8247076Abstract: Composition comprising fluoropolymers, such as polytetrafluoroethylene (PTFE), poly(hexafluoroethylene), poly(tetrafluoroethylene-hexafluoroethylene), and poly(tetrafluoroethylene-ethylene-propylene), which are dispersed in flame retardants, such as organic, bromine compounds and/or organic phosphorus compounds, and that consist of particles that comprise one or more fluoropolymers and flame retardants. The fluoropolymers may be enveloped by the flame retardant.Type: GrantFiled: December 2, 2004Date of Patent: August 21, 2012Assignee: Bromine Compounds Ltd.Inventors: Yoav Bar-Yaakov, Pierre Georlette, Daniel Plewinski, Ita Finberg
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Publication number: 20120202935Abstract: A coating composition comprising: at least one polyacrylimide polymer (A)] comprising recurring units of formula (I), and further comprising recurring units complying with one or more of the following structures: J, JJ, JJJ, wherein R1, R2, R4, R5, R6, R7, equal to or different from each other are independently H or C1-20 alkyl group, R3 and R8, equal to or different from each other, are independently H, alkyl, cycloalkyl, alkaryl, aryl, heterocyclic C1-36 group, wherein said polymer (A) possesses an imidization degree of less than 80%; a liquid medium; and at least one vinylidene fluoride polymer (F) at least partially dissolved and/or at least partially dispersed in said liquid medium, wherein the amount of polymer (F) ranges from 50 to 90% wt. with respect to the total weight of polymer (A) and polymer (F).Type: ApplicationFiled: October 14, 2010Publication date: August 9, 2012Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventor: Shiow-Ching Lin
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Patent number: 8236874Abstract: 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.Type: GrantFiled: July 21, 2008Date of Patent: August 7, 2012Assignee: 3M Innovative Properties CompanyInventors: James M. Nelson, Jeffrey J. Cernohous, Siegmund Papp, Neil R. Granlund, Ryan E. Marx, Jeffrey G. Linert
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Patent number: 8236897Abstract: A fluoroelastomer composition comprising: at least one fluoroelastomer [fluoroelastomer (A)]; from 0.1 to 25 phr (with respect to fluoroelastomer (A)) of at least one melt-processable per(halo)fluoropolymer having a melting point of at most 250° C. [polymer (F)]; and optionally at least one (per)fluoropolyether [(per)fluoropolyether (E)]. The incorporation of the polymer (F) in the fluoroelastomer composition as described above enables easier processing of the fluoroelastomer composition, both in injection molding and extrusion molding technologies, yielding improved behavior in mold release, mold fouling, and aspect surface of the molded parts.Type: GrantFiled: November 28, 2008Date of Patent: August 7, 2012Assignee: Solvay Solexis S.p.A.Inventors: Giovanni Comino, Julio A. Abusleme, Margherita Albano
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Publication number: 20120196971Abstract: Provided are a polyvinylidene fluoride resin composition that has good inorganic pigment dispersivity and that is unlikely to cause a defect due to poor dispersion and has practical mechanical strength characteristics in a film to be formed, and a film, a back sheet, and a solar cell module. Based on 100 parts by mass of a resin component containing two types of polyvinylidene fluorides having different forms or different melt flow characteristics in a total amount of 50 to 95% by mass and polymethyl methacrylate in an amount of 5 to 50% by mass, 7 to 40 parts by mass of a white inorganic pigment and 0.01 to 7 parts by mass of an inorganic pigment for toning are mixed to produce the resin composition. At that time, at least one of the two types of polyvinylidene fluorides to be used has an MFR (230° C., 3.8 kg load) of 3 to 35 g/10 min and the polymethyl methacrylate to be used has an MFR (230° C., 10 kg load) of 2 to 20 g/10 min.Type: ApplicationFiled: November 11, 2010Publication date: August 2, 2012Applicant: DENKI KAGAKU KOGYO KABUSHIKI KAISHAInventors: Tomoo Saito, Fukumu Komoda, Koji Nakajima, Takashi Mitsumata
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Publication number: 20120189843Abstract: Described herein are various articles that have improved resistance to the adverse effects observed when tactilely-transferable residue is contacted therewith, along with methods for their manufacture and use. The articles and methods generally make use of an adhesion binder that can be used to form a polymer network around a solvent-soluble fluoropolymer to adhere the fluoropolymer to the surface of the article substrate.Type: ApplicationFiled: January 17, 2012Publication date: July 26, 2012Inventors: Theresa Chang, Robert Randall Hancock, JR.
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Patent number: 8227548Abstract: A fluoropolymer coating composition that may be applied over a primer and/or at least one midcoat in a non-stick coating system. The coating composition may be prepared and applied in the form of a liquid dispersion, and includes at least one fluoropolymer base component, such as polytetrafluoroethylene (PTFE) and, in particular, at least one high molecular weight PTFE (HPTFE). The coating composition additionally includes a blended fluoropolymer composition. The blended fluoropolymer composition is a blend of at least one low molecular weight PTFE (LPTFE) and at least one melt-processible fluoropolymer. After application directly to a substrate or over an underlying coating, the coating demonstrates improved abrasion and scratch resistance, as well as improved release characteristics, as compared to known coatings that include only HPTFE or HPTFE with a small amount of melt processible fluoropolymer.Type: GrantFiled: September 25, 2009Date of Patent: July 24, 2012Assignee: Whitford CorporationInventors: Leonard W. Harvey, Lawrence D. Leech
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Publication number: 20120184665Abstract: Provided are modified polytetrafluoroethylene particles having excellent moldability and processability. The modified polytetrafluoroethylene particles each have a core-shell structure that includes a particle core and a particle shell, the particle core having repeating units of tetrafluoroethylene and a comonomer (a), the particle shell having repeating units of tetrafluoroethylene and a comonomer (b), the comonomer (a) being a (perfluoroalkyl)ethylene represented by the following formula (I): CH2?CH—Rf??(I) wherein Rf represents a C1 to C10 perfluoroalkyl group, the comonomer (b) being at least one monomer selected from the group consisting of 1,1,3,3,3-pentafluoro-1-propylene and 1,2,3,3,3-pentafluoro-1-propylene.Type: ApplicationFiled: January 13, 2012Publication date: July 19, 2012Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hiroyuki SATO, Yasuhiko SAWADA, Shunji KASAI
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Publication number: 20120165458Abstract: A fluoropolymer coating composition that may be applied over a primer and/or at least one midcoat in a non-stick coating system. The coating composition may be prepared and applied in the form of a liquid dispersion, and includes at least one fluoropolymer base component, such as polytetrafluoroethylene (PTFE) and, in particular, at least one high molecular weight PTFE (HPTFE). The coating composition additionally includes a blended fluoropolymer composition. The blended fluoropolymer composition is a blend of at least one low molecular weight PTFE (LPTFE) and at least one melt-processible fluoropolymer. After application directly to a substrate or over an underlying coating, the coating demonstrates improved abrasion and scratch resistance, as well as improved release characteristics, as compared to known coatings that include only HPTFE or HPTFE with a small amount of melt processible fluoropolymer.Type: ApplicationFiled: March 2, 2012Publication date: June 28, 2012Applicant: WHITFORD CORPORATIONInventors: Leonard W. Harvey, Lawrence D. Leech
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Patent number: 8206618Abstract: A color filter ink set is adapted to be used to manufacture a color filter by an inkjet method. The color filter ink set includes a plurality of inks with each of the inks including a colorant and a liquid medium that disperses and/or dissolves the colorant. The inks include a green ink having C. I. Pigment Green 58 and a substance represented by a prescribed chemical formula. A viscosity at 25° C. of the liquid medium of the green ink is lower than a viscosity at 25° C. of the liquid medium of the ink other than the green ink. A difference (?max??min) between a viscosity (?max (mPa·s)) of the ink having the highest viscosity among the inks at 25° C. and a viscosity (?min (mPa·s)) of the ink having the lowest viscosity among the inks at 25° C. is 1.0 mPa·s or less.Type: GrantFiled: December 24, 2008Date of Patent: June 26, 2012Assignee: Seiko Epson CorporationInventors: Hidekazu Moriyama, Masaya Shibatani, Hiroshi Kiguchi, Hiroshi Takiguchi
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Publication number: 20120149800Abstract: A multifunctional polymerizable ionic liquid is described comprising an anion and a cationic group having at least two ethylenically unsaturated polymerizable groups, each bonded to the cationic group via a divalent non-alkyl linking group. The multifunctional linking groups independently comprise a heteroatom such as oxygen or nitrogen. The linking groups may independently comprise one or more linkages such as an amide, urea, or ether linkage and more typically a urethane or ester linkage. The ethylenically unsaturated polymerizable groups are typically (meth)acrylate groups. Coatings and coated articles are also described.Type: ApplicationFiled: August 24, 2010Publication date: June 14, 2012Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Kevin M. Lewandowski, Larry R. Krepski, Yizhong Wang, Joel D. Oxman, Peiwang Zhu, Brian N. Holmes, Thomas P. Klun, Bryan V. Hunt
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Patent number: 8197590Abstract: Disclosed is a composition containing a fluorine-containing urethane compound (A) and a fluorine-containing polymer (B) having a repeating unit derived from a fluorine-containing monomer represented by the following formula (I): CH2?C(—X)—C(?O)-A-Rf??(I) (wherein X represents a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a CFX1X2 group (wherein X1 and X2 respectively represent a hydrogen atom, a fluorine atom or a chlorine atom), a cyano group, a straight or branched chain fluoroalkyl group having 1-20 carbon atoms, a substituted or unsubstituted benzyl group, or a substituted or unsubstituted phenyl group; A represents a divalent group; and Rf represents a straight or branched chain perfluoroalkyl group having 1-6 carbon atoms).Type: GrantFiled: October 27, 2005Date of Patent: June 12, 2012Assignee: Daikin Industries, Ltd.Inventors: Ikuo Yamamoto, Shinichi Minami
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Publication number: 20120136104Abstract: Provided is a polyolefin resin composition including: an ultra-high crystalline polypropylene resin, e.g. about 40-80 wt %, having an isotactic index of about 99.5 or higher; a branched polypropylene, e.g., about 10-20 wt %, having a branching index of about 7 or higher; a thermoplastic elastomer, e.g., about 1-20 wt %; an inorganic filler, e.g., about 1-30 wt %; and a fluoroacrylic copolymer-based amide polymer compound, e.g., about 2-6 wt %.Type: ApplicationFiled: March 4, 2011Publication date: May 31, 2012Applicants: HONAM PETROCHEMICAL CORPORATION, HYUNDAI MOTOR COMPANYInventors: Dae Sik Kim, Seok Hwan Kim, Jung Gyun Noh, Sung Min Cho, Seung Wook Park, Tae Sik Moon, Chang Youn Kim
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Publication number: 20120129974Abstract: The disclosure relates to aqueous coating compositions and elastomeric coatings formed from the aqueous coating compositions, and in particular to aqueous coating compositions that can be used to form elastomeric coatings with improved dirt pickup resistance and elastomeric properties.Type: ApplicationFiled: October 26, 2009Publication date: May 24, 2012Applicant: Arkema Inc.Inventors: Hugo T. DeNotta, Chia-Chen Lo, Jose L. Verona
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Patent number: 8183319Abstract: An aqueous dispersion including a partially fluorinated dispersant, an electrically conductive polymer and a film forming additive. The film forming additive includes a boiling temperature greater than about 85° C. (185° F.). In addition, the concentration of the film forming additive is less than the solubility limit of the additive in water. The dynamic surface tension of the dispersion including the film forming additive is less than about 60 dynes/cm at 100 ms surface age. A method for making an electrically conductive polymer film and devices including electrically conductive polymer film are also disclosed.Type: GrantFiled: October 9, 2008Date of Patent: May 22, 2012Assignee: Air Products and Chemicals, Inc.Inventors: Gang Chris Han-Adebekun, Thomas John Markley, Michael Scott Lowry
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Publication number: 20120123031Abstract: The present invention provides an organosol composition that is stable even in the case that the PTFE particle content is high. The present invention relates to an organosol composition of PTFE particles, comprising PTFE particles (A), a polymer (B), and an organic solvent (S), wherein (1) the polymer (B) is soluble in the organic solvent (S), (2) the amount of the PTFE particles (A) is not lower than 50% by mass of the total amount of the PTFE particles (A) and the polymer (B), and (3) the precipitation ratio of the PTFE particles after 48 hours is not higher than 60% when the total solids concentration of the PTFE particles (A) and the polymer (B) is 5% by mass.Type: ApplicationFiled: May 9, 2011Publication date: May 17, 2012Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Takuji Ishikawa, Atsuko Tanaka, Taku Yamanaka, Nobuhiko Tsuda, Kazunobu Uchida, Takahiro Kitahara, Tomoyuki Fukatani
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Publication number: 20120107689Abstract: The present invention provides a binder composition for an electrode. The binder composition includes PTFE particles as primary particles uniformly dispersed in an organic solvent at a high concentration. The present invention relates to a binder composition for an electrode, comprising an organosol composition containing PTFE particles (A), a polymer (B), and a fluorine-free organic solvent (C); and no electrode active material (J), wherein the polymer (B) is soluble in the fluorine-free organic solvent (C).Type: ApplicationFiled: May 9, 2011Publication date: May 3, 2012Applicant: DAIKIN INDUSTRIES BUILDINGInventors: Kenzou Takahashi, Mai Koyama, Emi Miyanaga, Meiten Koh, Hideo Sakata, Hiroyuki Arima, Tomoyo Sanagi, Hitomi Nakazawa, Takuji Ishikawa, Atsuko Tanaka, Toshiki Ichisaka
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Publication number: 20120073632Abstract: The invention relates to architectural substrates coated with a polyvinylidene fluoride (PVDF) dispersion coating to produce a weatherable material. One specific use is as a PVDF coating on a frontsheet or backsheet of a photovoltaic module for capturing and using solar radiation. The polyvinylidene fluoride coating is exposed to the environment and provides chemical resistance, low water vapor transmission, electrical insulation, and UV light protection.Type: ApplicationFiled: June 9, 2010Publication date: March 29, 2012Applicant: Arkema Inc.Inventors: Walter Kosar, Kurt A. Wood, Wayne Skilton, Gregory S. O'Brien, Mark A. Aubart
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Publication number: 20120065305Abstract: Disclosed is an additive for a thermoplastic resin, which provides a thermoplastic resin composition excellent in formability and also provides a shaped article excellent in surface appearance and flame retardance. The additive for a thermoplastic resin comprises tetrafluoroethylene polymer (A) and alkyl methacrylate polymer (B) containing 50% by mass or more of units of alkyl methacrylate having an alkyl group with carbon numbers of 2 to 6.Type: ApplicationFiled: April 9, 2010Publication date: March 15, 2012Applicant: MITSUBISHI RAYON CO., LTD.Inventors: Masaaki Kiura, Toshihiro Kasai
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Publication number: 20120059102Abstract: A polymer composition comprises a polymer matrix, a first fluorine-containing processing aid, and a second processing additive system that is substantially free of fluorine and that comprises: (a) a lubricant and (b) a surfactant.Type: ApplicationFiled: July 23, 2010Publication date: March 8, 2012Inventors: Jeffrey J. Cernohous, William D. Sigworth, Hayder Zahalka, Keith A. Hughes
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Publication number: 20120016070Abstract: Provided is a surfactant which has a high surface tension reducing ability and a high solubility in a liquid medium, comprising a fluorine-containing copolymer containing, as essential components, a monomer having a fluoroalkyl group having 1 to 7 carbon atoms, a hydrophilic monomer, and a monomer having an ion donor group. Further provided are a coating composition, an ink composition and a photographic emulsion composition, each comprising the surfactant.Type: ApplicationFiled: March 24, 2010Publication date: January 19, 2012Applicant: DAIKIN INDUSTRIES LTD.Inventors: Mitsuhiro Usugaya, Kayo Kusumi
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Patent number: 8093328Abstract: The invention is directed to a polymer thick film encapsulant composition comprising thermoplastic fluoropolymer resin and acrylic resin dissolved in organic solvents. The deposited encapsulant composition is processed at a time and energy sufficient to remove all solvent and form an encapsulant. The invention is further directed to using the encapsulant composition to form an encapsulant in PTC heater circuitry and, in particular, in PTC heater circuitry in mirror heater and seat heater applications.Type: GrantFiled: April 21, 2010Date of Patent: January 10, 2012Assignee: E.I. du Pont de Nemours and CompanyInventors: Vince Arancio, Jay Robert Dorfman
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Patent number: 8093329Abstract: Disclosed are coating compositions based on non-aqueous dispersions of solid fluoropolymer particles in an organic solution of acrylic polymers. The coating compositions include: (1) a fluorocarbon polymer; (2) an organic solvent; and (3) an adjuvant polymer.Type: GrantFiled: July 24, 2008Date of Patent: January 10, 2012Assignee: PPG Industries Ohio, IncInventors: Carl A. Seneker, Hongying Zhou
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Patent number: 8093327Abstract: Disclosed are coating compositions based on non-aqueous dispersions of solid fluoropolymer particles in an organic solution of acrylic polymers. The coating compositions include: (1) a fluorocarbon polymer; (2) an organic solvent; and (3) an adjuvant polymer.Type: GrantFiled: April 11, 2008Date of Patent: January 10, 2012Assignee: PPG Industries Ohio, IncInventors: Ronald R. Ambrose, Carl A. Seneker, Hongying Zhou
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Publication number: 20110306716Abstract: Fluoropolymer compositions that include multiple fluoropolymer components and, in exemplary applications, may be applied as coatings to either rigid or flexible substrates. The compositions may themselves be applied as basecoats or overcoats, or may be combined with other components to formulate basecoats or overcoats. In one embodiment, the compositions include at least one low molecular weight polytetrafluoroethylene (LPTFE) and at least two chemically different melt processible fluoropolymers (MPF). In another embodiment, the compositions include at least one high molecular weight polytetrafluoroethylene (HPTFE), at least one low molecular weight polytetrafluoroethylene (LPTFE), and at least two chemically different melt processible fluoropolymers (MPF).Type: ApplicationFiled: December 8, 2010Publication date: December 15, 2011Applicant: WHITFORD CORPORATIONInventors: Leonard W. Harvey, Helen L. Brain, Thomas J. Bate, Anita K. Peacock, Susan J. Roberts-Bleming
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Publication number: 20110306706Abstract: Disclosed herein are processes for making a consolidated or densified composite article comprising polymer, particularly fluoropolymer, and oriented carbon fiber, which provides suitability for use in chemical-mechanical applications.Type: ApplicationFiled: August 18, 2011Publication date: December 15, 2011Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventor: J. David Booze
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Publication number: 20110300388Abstract: Provided are a functional molded article having sufficient flexibility and moldability and also sufficiently having the function of a functional particle, and a method for producing the same. The functional molded article is formed by molding a mixture containing a functional particle, a binder, and a fibrous substance.Type: ApplicationFiled: February 15, 2010Publication date: December 8, 2011Applicant: NIPPON VALQUA INDUSTRIES, LTD.Inventor: Tomoaki Yokota
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Publication number: 20110293920Abstract: A coating composition is provided comprising (a) an aqueous medium, (b) melt-fabricable perfluoropolymer dispersed in said aqueous medium and having a melting temperature of at least 290° C., (c) melt-fabricable perfluoropolymer dispersed in said aqueous medium and having a melting temperature of no greater than 270° C., and (d) water miscible organic liquid having a boiling temperature of at least 280° C. and optionally (e) filler, the combination of (c) and (d) providing sloughing resistance to said composition applied to a non-horizontal substrate and baked, component (d) being unnecessary when component (a) is not present in the coating composition, and when filler is present the amount of (c) being present in an effective amount to increase the cohesive strength of the baked layer of the coating composition.Type: ApplicationFiled: April 19, 2011Publication date: December 1, 2011Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: LAURENCE WAINO MCKEEN, YING WANG
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Publication number: 20110260945Abstract: To provide a coating composition which is excellent in water resistance, insulating properties and ultraviolet degradation resistance, and is also excellent in transparency of a coating film formed after coating.Type: ApplicationFiled: August 19, 2008Publication date: October 27, 2011Inventor: Fumio Karasawa
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Publication number: 20110255210Abstract: There is provided a thin highly dielectric film for a film capacitor being excellent in mechanical strength, in which highly dielectric inorganic particles can be blended to a dielectric resin at high ratio, and rubber particles (B) and preferably highly dielectric inorganic particles (C) are dispersed in a thermoplastic resin (A).Type: ApplicationFiled: December 21, 2009Publication date: October 20, 2011Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Mayuko Tatemichi, Miharu Ota, Kouji Yokotani, Nobuyuki Komatsu, Eri Mukai, Meiten Koh
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Patent number: 8030396Abstract: Methods for preparing pigmented and nonpigmented powder coating compositions are disclosed. The methods generally involve the use of dispersions comprising a fluoropolymer.Type: GrantFiled: August 28, 2009Date of Patent: October 4, 2011Assignee: PPG Industries Ohio, Inc.Inventors: Ronald R. Ambrose, Anthony M. Chasser, Kristen M. Bartlett, Henry L. Lowman, Joanne M. Funyak
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Publication number: 20110226333Abstract: A fluoropolymer composition having a total luminous transmittance (TT) of less than 15%, when measured according to ASTM D1003 on a sample having a thickness of about 50 ?m, said composition comprising: at least one hydrogen-containing fluoropolymer [polymer (A)]; from 5 to 80% by weight of (A) of at least one inorganic pigment [pigment (I)]; and from 1 to 99% by weight of (I) of at least one per(halo)fluoropolymer chosen among tetrafluoroethylene (TFE) copolymers having a dynamic viscosity at a shear rate of 1 rad×sec?1 of less than 100 Pa×sec at a temperature of 280° C. [polymer (B)]. By adding polymer (B) to the composition based on polymer (A) it is advantageously possible to obtain an even dispersion of the pigment (I) so that a composition possessing outstanding opacity and still being processable under the form of films, so as to provide adequate mechanical properties, can be manufactured therefrom.Type: ApplicationFiled: October 15, 2009Publication date: September 22, 2011Applicant: SOLVAY SOLEXIS S.P.A.Inventors: Julio A. Abusleme, Mattia Bassi, Régis Faig, Paolo Toniolo
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Publication number: 20110224358Abstract: Peroxide curable fluoroelastomer compositions and articles made therefrom are disclosed. The compositions contain 5 to 45 weight percent, based on total weight of all fluoroelastomers present in the composition, of a blend of dynamically cured fluoroelastomer particles in an uncured fluoroelastomer. The compositions are unfilled, but have tensile properties adequate for many end use applications and are particularly useful as seals in semiconductor manufacturing equipment.Type: ApplicationFiled: May 26, 2011Publication date: September 15, 2011Applicant: DUPONT PERFORMANCE ELASTOMERS L.L.C.Inventors: RONALD D. STEVENS, Shuhong Wang
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Publication number: 20110216994Abstract: A plastic part, especially a bearing part, specifically a cage for receiving rolling bodies of a bearing. The body of the plastic part is essentially made of a radiation-crosslinkable plastic material. Pigments that undergo a visible change during the irradiation are mixed in with the plastic material. Also, a method is disclosed for producing a plastic part, especially a bearing part, specifically a cage for receiving rolling bodies of a bearing the plastic part that has a body made of a radiation-crosslinkable plastic material.Type: ApplicationFiled: August 18, 2009Publication date: September 8, 2011Applicant: SCHAEFFLER TECHNOLOGIES GMBH & CO. KGInventors: Arbogast Grunau, Sergej Schwarz
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Publication number: 20110213069Abstract: The present invention relates to an aqueous coating composition having excellent coating adhesion, workability, heat resistance and chemical resistance, and has an object to provide an aqueous coating composition for sealing, which is suitable for members to be screwed in. The present invention relates to an aqueous coating composition including: as main components, component (A) an ethylene-vinyl acetate copolymer resin emulsion and component (B) two or more PTFE resin powders having different particle diameters, in which 35 to 80 parts by mass of water is contained on the basis of 100 parts by mass of the total of (A) and (B).Type: ApplicationFiled: October 29, 2009Publication date: September 1, 2011Applicant: THREE BOND CO., LTD.Inventors: Hidenori Kanazawa, Naoki Satou
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Publication number: 20110201746Abstract: A method of producing a polylactic acid based film or sheet with improved heat resistance and comprised of a resin composition containing a polylactic acid according to a melt film forming method, wherein the resin composition comprises polylactic acid (A), an acidic functional group-denatured olefin based polymer (B) containing an acidic functional group, and having an acid number of 10-70 mg KOH/g and a weight average molecular weight of 10,000-80,000, and a tetrafluoroethylene based polymer (C), which method comprises performing melt film formation at a temperature of the resin composition between the crystallization temperature (Tc) in a decreasing temperature process of the resin composition +15° C. and the melting temperature (Tm) in a raising temperature process ?5° C., or solidifying the resin composition melt-formed in a film state by cooling after a temperature controllable step at crystallization temperature (Tc) in the decreasing temperature process ±10° C.Type: ApplicationFiled: October 1, 2009Publication date: August 18, 2011Applicant: NITTO DENKO CORPORATIONInventors: Shigeki Ishiguro, Hiroki Senda
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Patent number: 7964274Abstract: Tensile strength after heat aging of articles molded from melt-fabricable perfluoropolymer is improved by incorporating polytetrafluoroethylene as dispersed submicrometer-size particles into the melt-fabricable perfluoropolymer.Type: GrantFiled: November 16, 2006Date of Patent: June 21, 2011Assignee: E. I. du Pont de Nemours and CompanyInventors: Ralph Munson Aten, Heidi Elizabeth Burch, Sharon Ann Libert