From Fluorine-containing Monomer Patents (Class 524/544)
-
Patent number: 6753376Abstract: An aqueous water- and oil-repellent dispersion containing: (A) a homopolymer or copolymer containing at least one polymerizable compound having a perfluoroalkyl or perfluoroalkenyl group and an acrylate or methacrylate group, or a copolymer containing said polymerizable compound and another compound copolymerizable therewith, (B) an organic solvent which is tripropylene glycol, and (C) a surfactant, has durable water- and oil-repellency and excellent storage stability.Type: GrantFiled: July 31, 2001Date of Patent: June 22, 2004Assignee: Daikin Industries Ltd.Inventors: Masayuki Yamana, Tsukasa Aga, Masahiro Miyahara, Masaki Fukumori, Ryosuke Hara
-
Publication number: 20040116611Abstract: Crosslinking coagents based on aromatic diimides having N-substituted allyl groups are employed in place of triallyl isocyanurate (TAIC) for the free radical curing of fluoroelastomers. The diimide coagents mix more easily with fluoroelastomers and are less likely to homopolymerize than TAIC. Thus mold fouling and sticking due to low molecular weight polymers of coagent is greatly reduced.Type: ApplicationFiled: December 12, 2002Publication date: June 17, 2004Inventor: Ming-Hong Hung
-
Patent number: 6750296Abstract: The present invention provides block copolymers with semifluorinated LC side groups (single or monodendron groups). The block copolymers can be blended with a thermoplastic elastomer block copolymer, e.g., styrene-ethylene/butylene-styrene (SEBS) to provide a surface active block copolymer (SABC).Type: GrantFiled: January 7, 2002Date of Patent: June 15, 2004Assignee: Cornell Research Foundation, Inc.Inventors: Christopher K. Ober, Maoliang Xiang, Kenneth J. Wynne
-
Patent number: 6743842Abstract: To provide a powder coating composition which comprises 100 parts by weight of fluorine-containing resin and 1 to 40 parts by weight of tetrafunctional or trifunctional silicate compound or a condensation product thereof, has a function of removing electrostatic charge and gives a coating film having a high hardness and stain-proof property.Type: GrantFiled: June 14, 2001Date of Patent: June 1, 2004Assignee: Daikin Industries, Ltd.Inventors: Ryoichi Fukagawa, Nobuhiko Tsuda, Masaru Nagato, Go Nagai, Ryuji Iwakiri
-
Publication number: 20040072935Abstract: The invention provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97.5 mole percent (mol %) tetrafluoroethylene (TFE), about 2 to about 3 mol % perfluoro (propyl vinyl ether) (PPVE), and about 0.5 to about 3 mol % hexafluoropropylene (HFP). The invention also provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97 mol % TFE, about 0.75 to about 3 mol % PPVE, and about 1.5 to about 3.5 mol % HFP.Type: ApplicationFiled: October 7, 2003Publication date: April 15, 2004Applicant: 3M Innovative Properties CompanyInventors: Thomas J. Blong, Lisa P. Chen, Ralph Kaulbach, Friedrich Kloos, Georg Burkard
-
Patent number: 6720381Abstract: In an aqueous curing composition of a fluoroelastomer comprising a fluoroelastomer, a curing agent and a surfactant, a surfactant with which an amount of decomposition residues is 0.3% by weight or less after being baked at 300° C. for 30 minutes, for example, a polyoxyethylene alkyl ether or a polyoxyethylenepolyoxypropylene block polymer, is used as a surfactant. Such a composition can make use of the inherent characteristics of the fluoroelastomer.Type: GrantFiled: April 5, 2002Date of Patent: April 13, 2004Assignee: Daikin Industries, Ltd.Inventors: Nobuyuki Tomihashi, Koichiro Ogita, Kiyotaro Terasaka, Yasukazu Nakatani
-
Publication number: 20040059033Abstract: A composition for anti-reflective coatings comprising a polymer that contains fluorine and a solvent that dissolves the polymer is applied onto a semiconductor substrate to form an anti-reflective coating. Next, a resist film containing fluorine is formed on the anti-reflective coating. Then, the resist film is irradiated by exposure light to form resist patterns.Type: ApplicationFiled: October 2, 2003Publication date: March 25, 2004Applicant: Semiconductor Leading Edge Technologies, Inc.Inventor: Minoru Toriumi
-
Patent number: 6710123Abstract: A fluoropolymer is described which is a polymer reaction product of a fluoropolymer comprising a polymer reaction product of a) at least one first alkylene co-monomer containing at least one fluorine atom; b) optionally at least one monomer selected from 1) at least one second alkylene containing at least one fluorine atom; 2) at least one alkyl alkenyl ether containing at least one fluorine atom; 3) at least one aliphatic or cyclic ketone containing at least one fluorinated alpha-alpha position; or 4) non-fluorinated alkene, alkyl alkenyl ether, or alkenyl ester; and c) at least one sterically hindered alkenyl or alkenyl ether organo silane co-monomer with or without at least one fluorine substituent. The fluoropolymer can be subsequently cross-linked or further reacted. Methods of making the fluoropolymer are further disclosed as well as applications of the fluoropolymers.Type: GrantFiled: June 28, 2001Date of Patent: March 23, 2004Assignee: Atofina Chemicals, Inc.Inventors: Ramin Amin-Sanayei, Claude Christophe Granel
-
Publication number: 20040054055Abstract: A compound is prepared, suitable for forming fluoroelastomers, having the unique features of a low glass transition temperature and desirable permeation resistance. The compound generally comprises two primary components. The first component is an amorphous copolymer including interpolymerized units derived from one or more perfluorinated ethers. The second component is a curable component including at least one filler having at least 10 parts per 100 parts of the first component. Upon vulcanization the resulting elastomeric compound has desirable physical characteristics as indicated by the durometer, the retraction at lower temperatures (TR-10) and permeation resistance.Type: ApplicationFiled: September 11, 2003Publication date: March 18, 2004Applicant: 3M Innovative Properties CompanyInventors: Tatsuo Fukushi, Allan T. Worm, Erik D. Hare, Greggory S. Bennett, William D. Coggio
-
Patent number: 6706803Abstract: A process for the synthesis of chlorotrifluoroethylene (PCTFE) (co)polymers, containing at least 80% by moles of CTFE, being the complement to 100 one or more fluorinated monomers, preferably the complement to 100 is formed of one or more perfluorinated monomers, characterized in that the reaction medium comprises (per)fluoropolyoxyalkylene microemulsions wherein the fluorinated surfactant is salified with sodium and/or potassium and an inorganic potassium and/or sodium initiator.Type: GrantFiled: July 7, 2000Date of Patent: March 16, 2004Assignee: Ausimont S.p.A.Inventors: Julio A. Abusleme, Claudia Manzoni
-
Patent number: 6693144Abstract: A solvent-based water- and oil-repellent agent composition, which contains a graft copolymer having a repeating unit derived from a vinyl monomer having a perfluoroalkyl group and a repeating unit derived from a polymerizable cyclic acid anhydride and an organic solvent, has high product stalibity and high dilution stability and can give high water- and oil-repellency.Type: GrantFiled: May 30, 2002Date of Patent: February 17, 2004Assignee: Daikin Industries, Ltd.Inventors: Fumihiko Yamaguchi, Makoto Hanazawa, Kazunori Hayashi
-
Publication number: 20040030079Abstract: A resist composition comprising a polymer containing vinyl sulfonate units having fluorinated hydrophilic groups as a base resin has excellent transparency, substrate adhesion and developer penetrability as well as plasma etching resistance, and is suited for lithographic microprocessing.Type: ApplicationFiled: August 8, 2003Publication date: February 12, 2004Inventors: Yuji Harada, Jun Hatakeyama, Yoshio Kawai, Masaru Sasago, Masayuki Endo, Shinji Kishimura, Kazuhiko Maeda, Michitaka Ootani, Haruhiko Komoriya
-
Publication number: 20040028806Abstract: The present invention is intended to provide A process for producing an electrolyte membrane-bonded electrode having excellent power generation properties property when constitutes in an electrode assembly, and a varnish composition for an electrolyte, by the use of which to obtain an electrolyte membrane-electrode bonded structure capable of retaining excellent power generation properties. is obtaned. A process for producing a first electrolyte membrane bonded electrode comprises applying, onto an electrode, a water containing dispersion containing a perfluorosulfonic acid polymer, an organic solvent A and water and having a perfluorosulfonic acid polymer content of 0.Type: ApplicationFiled: April 23, 2003Publication date: February 12, 2004Inventors: Makoto Higami, Kohei Goto, Nagayuki Kanaoka, Ryoichiro Takahashi, Yoichi Asano, Osamu Kakutani, Gen Okiyama
-
Patent number: 6689854Abstract: The present invention provides a water-soluble and shelf-stable aqueous fluorochemical polymeric treatment useful to treat porous substrates to render them repellent to water- and oil-based stains. The treatment comprises a water-soluble or dispersible fluorochemical polymer containing only carbon atoms in the backbone, with a plurality of each of the following groups pendant from the backbone: (a) fluoroaliphatic groups, (b) carboxyl-containing groups, (c) silyl groups and optionally (d) other non-hydrophilic groups. Because the water-soluble polymeric treatment, and the shelf-stable aqueous solutions thereof, can be applied to porous substrates in aqueous solution, they eliminate the need for environmentally harmful and toxic co-solvents.Type: GrantFiled: August 23, 2001Date of Patent: February 10, 2004Assignee: 3M Innovative Properties CompanyInventors: Wayne W. Fan, Steven J. Martin
-
Publication number: 20040019145Abstract: The present invention can provide the aqueous coating composition of fluorine-containing copolymer being excellent in long-term weather resistance and useful for the interior and exterior of buildings and the aqueous dispersion composition of fluorine-containing copolymer which is used for the aqueous coating composition. The aqueous coating composition of fluorine-containing copolymer is prepared by dispersing in water the aqueous dispersion of fluorine-containing copolymer having hydroxyl and the water dispersible polyisocyanate compound.Type: ApplicationFiled: March 14, 2003Publication date: January 29, 2004Inventors: Katsuhiko Imoto, Susumu Wada, Nobuo Mitsuhata, Tsunehiko Fuwa, Haruhiko Mohri
-
Patent number: 6683126Abstract: The present invention provides a coating composition for producing difficult-to-wet surfaces, comprising i) at least one finely divided powder whose particles have a hydrophobic surface and a porous structure characterized by a BET surface area (determined in accordance with DIN 66131) of at least 1 m2/g, and ii) at least one film-forming binder characterized by a surface tension <50 mN/m, the weight ratio of powder to binder being at least 1:4. It also provides a process for producing difficult-to-wet surfaces, and provides for the use of the coating compositions for producing surfaces having a self-cleaning effect and for reducing the flow resistance for liquids in pipes.Type: GrantFiled: April 25, 2001Date of Patent: January 27, 2004Assignee: BASF AktiengesellschaftInventors: Harald Keller, Ingolf Kühn, Ekkehard Jahns, Christian Lach, Stephan Hüffer, Thilo Krebs, Yi Thomann, Thomas Frechen
-
Publication number: 20040014873Abstract: Provided is an aqueous water- and oil-repellent dispersion free of an organic solvent and having durable water- and oil-repellency and excellent storage stability. The aqueous water- and oil-repellent dispersion is produced by emulsifying a perfluoroalkyl group-containing (meth)acrylate copolymer with the use of an ionic surfactant and/or a nonionic surfactant having less than 8 mol of added ethylene oxide per one hydrophobic group so that an average particle diameter is at most 100 nm and an integrating sphere turbidity is at most 20 (kaolin); adding, before the polymerization, a surfactant having at least 8 mol of added ethylene oxide per one hydrophobic group and a protective colloid; and conducting the polymerization.Type: ApplicationFiled: March 14, 2003Publication date: January 22, 2004Inventors: Tsukasa Aga, Masaki Fukumori
-
Publication number: 20040014861Abstract: Thermoplastic compositions comprising a combination of extrusion aid additives, including a foam cell nucleating agent are provided as well as methods for their preparation and use. The compositions have improved extrusion and finished product characteristics for use in the manufacture of a variety of extruded articles including tubing and conductor coatings.Type: ApplicationFiled: June 3, 2003Publication date: January 22, 2004Inventors: Savvas Hatzikiriakos, Nimish Rathod
-
Patent number: 6680357Abstract: Acrylic Modified Fluoropolymers based on vinylidene fluoride polymers are disclosed wherein the acrylic phase is capable of entering into crosslinking reactions. The final cured products provide superior solvent extractability resistance to the fluoropolymer phase.Type: GrantFiled: July 10, 2000Date of Patent: January 20, 2004Assignee: ATOFINA Chemicals, Inc.Inventors: Lotfi Hedhli, Larry Wempe
-
Patent number: 6673866Abstract: A polymer composition formed by: I) fluoropolymers selected from one or more of the following: copolymers based on ethylene, TFE and/or CTFE modified with hydrogenated monomers, or blends of these fluoropolymers with PCTFE; said fluoropolymers and/or the corresponding blends optionally mixed with hydrogenated plasticizers; II) one or more inorganic fire-retardants, treated and not with dispersing agents; III) one or more crosslinking agents; IV) optional additives.Type: GrantFiled: September 26, 2001Date of Patent: January 6, 2004Assignee: Ausimont S.p.A.Inventors: Mikhail Zolotnitsky, Julio A. Abusleme
-
Patent number: 6670424Abstract: The present invention is concerned with cross-linked sulfonated polymers, eventually perfluorinated, and their preparation process. When molded in the form of membranes, the polymers are useful in electrochemical cells, in a chlorine-sodium electrolysis process, as separator in an electrochemical preparation or organic and inorganic compounds, as separators between an aqueous phase and an organic phase, or as catalyst for Diels-Alder additions, Friedel-Craft reactions, aldol concentrations, cationic polymerisation, esterification, and acetal formation.Type: GrantFiled: September 7, 1999Date of Patent: December 30, 2003Assignee: Hydro-QuebecInventors: Christophe Michot, Michel Armand
-
Patent number: 6667377Abstract: This invention concerns ionomers comprising monomer units of vinylidene fluoride and monomer units of perfluorovinyl ethers having pendant groups containing fluoroalkyl sulfonyl methide or fluoroalkyl sulfonyl imide derivatives and univalent metal salts thereof, and with the uses of said ionomers in eledrochemical applications, electrochemical capacitors and modified electrodes.Type: GrantFiled: May 10, 2001Date of Patent: December 23, 2003Assignee: E. I. du Pont de Nemours and CompanyInventors: Andrew Edward Feiring, Christopher Marc Doyle, Mark Gerrit Roelofs, William Brown Farnham, Paul Gregory Bekiarian, Hanne A. K. Blau
-
Publication number: 20030220442Abstract: The present invention provides a process of reducing the amount of fluorinated emulsifier in an aqueous fluoropolymer dispersion by contacting the aqueous fluoropolymer dispersion with an anion exchange resin in a non-fixed resin bed, the process comprising:Type: ApplicationFiled: May 5, 2003Publication date: November 27, 2003Applicant: 3M Innovative Properties CompanyInventors: Rebekka Epsch, Klaus Hintzer, Gernot Lohr, Werner Schwertfeger
-
Patent number: 6653379Abstract: The invention provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97.5 mole percent (mol %) tetrafluoroethylene (TFE), about 2 to about 3 mol % perfluoro (propyl vinyl ether) (PPVE), and about 0.5 to about 3 mol % hexafluoropropylene (HFP). The invention also provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97 mol % TFE, about 0.75 to about 3 mol % PPVE, and about 1.5 to about 3.5 mol % HFP. These fluorothermoplastic compositions have a flex life that fits the equation: log(flex life cycles)≧0.71+4.0*(MFI(−0.294)), a method of making fluorothermoplastic compositions, a method of improving stress crack resistance, and fluorothermoplastic articles.Type: GrantFiled: July 12, 2001Date of Patent: November 25, 2003Assignee: 3M Innovative Properties CompanyInventors: Thomas J. Blong, Lisa P. Chen, Ralph Kaulbach, Friedrich Kloos, Georg Burkard
-
Patent number: 6653381Abstract: Novel compounds derived from traditional semi- drying and non-drying oils featuring internally plasticizing and crosslinkable properties are disclosed and claimed. Preferred embodiments include acrylate or methacrylate esters of hydroxy long-chain olefinic compounds derived from castor oil or lesquerella oil. A process for the preparation of the novel compounds is also disclosed, which involves esterification reaction of ethylenically unsaturated carboxylic acids or its derivatives with substituted hydroxy long-chain olefinic compounds. These compounds are suitable for forming latices, which form films at low minimum film forming temperatures (MFT) ranging from −5 to 10 ° C. and cure to above ambient glass transition (Tg polymers without the use of traditional organic cosolvents which contribute to environmental pollution via volatile organic compounds (VOCs) emissions. These latices are therefore useful in waterborne coatings, contact and pressure sensitive adhesives, and inks.Type: GrantFiled: April 10, 2001Date of Patent: November 25, 2003Assignee: University of Southern MississippiInventors: Shelby Freland Thames, Kamlesh Gopichand Panjnani, Rajan Hariharan, Zhiyu Wang
-
Patent number: 6649217Abstract: A method for manufacturing parts from an antiadhesive organic powder includes the step of plasma-treating the antiadhesive organic powder and processing the antiadhesive organic powder for forming the parts. The device for performing the method has a housing with a receiving chamber that has at least one inlet for introducing a process gas. A rotary drum is rotatably mounted in the receiving chamber for supporting the antiadhesive organic powder. At least one electrode is mounted in the receiving chamber and at least one energy source is connected to the electrode for energizing the electrode. The process gas can be exposed to high frequency radiation or microwave radiation in order to produce a plasma.Type: GrantFiled: October 13, 1999Date of Patent: November 18, 2003Assignee: KACO GmbH & Co.Inventor: Herbert Gust
-
Patent number: 6649719Abstract: Described is a compound having at least one acrylate monomer, said monomer including at least one pendant group of the structure —O—CH(Rf)(Rf′), wherein Rf is a straight chain or branched perfluoroalkyl group with five or less carbon atoms, and Rf′ is a branched perfluoroalkyl group with three to five carbon atoms; and a method of reducing the surface tension of a liquid by adding a compound of the invention to the liquid. Also described is a composition that includes a compound of the invention in an aqueous solution or dispersion; a method of treating a substrate to render it oil- and/or water-repellent that includes treating a substrate with a composition of the invention; a method of coating an electrical device that includes applying a composition of the invention; a method of coating optical fibers that includes applying a composition of the invention; and an article that includes a substrate treated with a composition of the invention.Type: GrantFiled: August 16, 2001Date of Patent: November 18, 2003Assignee: 3M Innovative Properties CompanyInventors: George G. I. Moore, Michael A. Yandrasits, Jay F. Schulz, Richard M. Flynn
-
Patent number: 6642300Abstract: To provide the filler which is added to a composition for a sealing member, etc. for sealing of semi-conductor production equipment being apt to be damaged greatly by mixing of a foreign matter and is small in a change in weight in either of the oxygen plasma irradiation and CF4 plasma irradiation, and the crosslinkable elastomer composition. The filler is used for the crosslinkable elastomer and has an imide structure, and a change in weight of the filler is not more than 4 mg/cm2·hr in either of the oxygen plasma irradiation and CF4 plasma irradiation. The crosslinkable elastomer composition comprises the filler and the crosslinkable elastomer such as a fluorine-containing elastomer.Type: GrantFiled: October 23, 2001Date of Patent: November 4, 2003Assignee: Daikin Industries, Ltd.Inventors: Seiji Kawaguchi, Tsuyoshi Noguchi, Takafumi Yamato, Mitsuru Kishine
-
Publication number: 20030202923Abstract: A reinforcing aluminum-based filler which can be used for reinforcing diene rubber compositions intended for the manufacture of tires, comprising an aluminum (oxide-)hydroxide corresponding, with the exception of any impurities and the water of hydration, to the general formula (a and b being real numbers):Type: ApplicationFiled: April 30, 2003Publication date: October 30, 2003Applicant: Compagnie Generale des Etablissements, Michelin - Michelin & Cie.Inventors: Emmanuel Custodero, Laure Simonot, Jean-Claude Tardivat
-
Publication number: 20030191234Abstract: A crosslinkable fluororubber composition comprising (A) a liquid perfluoro compound having alkenyl groups and a divalent perfluorolakylene or perfluoropolyether structure, (B) a reinforcing filler, (C) a surface treating agent having a fluoroalkyl or fluoropolyalkyl ether group and a silanol group, (D) an addition reactive compound having hydrosilyl groups, and (E) a hydrosilyl or peroxide crosslinker is prepared by mixing components (A) to (C) to form a liquid or paste composition, adding component (D) thereto to form a millable composition, and mixing component (E) therewith. The composition is effectively roll workable and cures into products having excellent physical properties.Type: ApplicationFiled: March 21, 2003Publication date: October 9, 2003Inventors: Yasuhisa Osawa, Shinichi Sato, Masatoshi Arai
-
Publication number: 20030187144Abstract: Fluoroelastomers curable by ionic route based on vinylidenfluoride (VDF) comprising:Type: ApplicationFiled: April 23, 2002Publication date: October 2, 2003Applicant: AUSIMONT S.p.A.Inventors: Anna Staccione, Margherita Albano
-
Patent number: 6624251Abstract: Disclosed are new fluid resistant, in particular resistant to chemically basic compounds, for example those compounds containing amines, and exceptional processing fluorine containing thermoplastic vulcanizate compositions comprising a continuous phase of at least one melt-formable thermoplastic fluorocarbon resin and a disperse phase consisting of a blend of at least two vulcanizable fluorine containing elastomers with at least one of the fluoroelastomers being a terpolymer of vinylidene fluoride/tetrafluoroethylene/propylene. The vinylidene fluoride/tetrafluoroethylene/propylene fluoroelastomer comprises between 5 and 95 weight percent of the total dispersed elastomer phase, which the total disperse elastomer phase comprises from between 40 and 90 weight percent based on the total amount of the continuous phase and the disperse phase combined.Type: GrantFiled: June 20, 2000Date of Patent: September 23, 2003Assignee: Freudenberg-NOK General PartnershipInventor: Craig A. Chmielewski
-
Patent number: 6619933Abstract: A motor-driven compressor is formed integrally with a compressor device for compressing refrigerant and a motor for driving the compressor device. The motor-driven compressor includes a drive circuit. The drive circuit controls the driving of the motor. The drive circuit is provided on an exterior surface wall of a refrigerant suction passages and the drive circuit is coated by or buried within an insulating resin material. In such motor-driven compressors, the drive circuit may be sufficiently cooled without using additional cooling equipment. As a result, providing additional cooling equipment with the drive circuit in the motor-driven compressors is no longer necessary.Type: GrantFiled: August 27, 2001Date of Patent: September 16, 2003Assignee: Sanden CorporationInventor: Hideo Ikeda
-
Publication number: 20030171484Abstract: A fluorochemical composition comprising a major amount of organic solvent and 0.Type: ApplicationFiled: January 17, 2002Publication date: September 11, 2003Inventor: Rudolf J. Dams
-
Publication number: 20030166751Abstract: Compounds comprising a peroxide and a curable blend by peroxidic way, consisting essentially of hydrocarbon elastomers containing at least an acrylic monomer, and of unsaturated fluorinated elastomers obtained by dehydro halogenation of fluorinated VDF-based elastomers, said fluorinated elastomers having in the polymer chain at least 5% by moles of hydrogenated C1 groups of the type —CH—, —CH2— and/or —CH3, the amount of unsaturated fluorinated elastomer in the elastomeric blend being comprised from 1 to 99% by weight.Type: ApplicationFiled: August 17, 2001Publication date: September 4, 2003Applicant: Ausimont S.p.AInventors: Anna Staccione, Julio Abusleme
-
Patent number: 6608129Abstract: Composites which include a polymer matrix having natural free volume therein and an inorganic or organic material disposed in the natural free volume of the polymer matrix are disclosed. In addition, methods for making a composite are described. A polymer matrix having free volume therein is provided. The free volume is evacuated, and inorganic or organic molecules are infused into the evacuated free volume of the polymer matrix. The inorganic or organic molecules can then be polymerized under conditions effective to cause the polymerized inorganic or organic molecules to assemble into macromolecular networks. Alternatively, where the polymer matrix contains a functionality, the inorganic or organic molecules can be treated under conditions effective to cause the inorganic or organic molecules to interact with the polymer matrix's functionality.Type: GrantFiled: March 22, 2000Date of Patent: August 19, 2003Assignee: Integument Technologies, Inc.Inventors: Timothy S. Koloski, Terrence G. Vargo
-
Publication number: 20030153664Abstract: A water dispersion type water and oil repellent composition which is capable of imparting durable water resistance to clothing for which high water and oil repellency is required and which is capable of imparting high oil repellency to paper. The water dispersion type water and oil repellent composition comprises 1) an aqueous medium, 2) a polymer of a monomer having a polyfluoroalkyl group and one polymerizable unsaturated group and 3) a mono(or poly)ol or an alkylene oxide thereof, as essential components.Type: ApplicationFiled: January 21, 2000Publication date: August 14, 2003Inventors: SHUICHIRO SUGIMOTO, KYOUICHI KANEKO, TAKASHIGE MAEKAWA, MINAKO SHINDO
-
Patent number: 6602961Abstract: A fluorine-containing elastomer composition comprising a terpolymer of tetrafluoroethylene, perfluoro(lower alkyl vinyl ether) and perfluoro(&ohgr;-cyanoalkyl vinyl ether) and a bisaminophenyl compound represented by the following general formula as a curing agent: wherein A is an alkylidene group having 1 to 6 carbon atoms, a perfluoroalkylidene group having 1 to 10 carbon atoms, a SO2 group, an O group, a CO group, or a carbon-carbon bond capable of directly coupling two benzene rings; and X and Y each are a hydroxyl group or an amino group can give a rubbery vulcanization product with a good processability and good physical properties by a commercially available cross-linking agent free from any safety problem.Type: GrantFiled: July 11, 1995Date of Patent: August 5, 2003Inventors: Satoru Saito, Haruyoshi Tatsu, Hiroaki Murata
-
Publication number: 20030144400Abstract: An aqueous elastomer coating composition and objects coated with this elastomer coating composition are described.Type: ApplicationFiled: January 23, 2003Publication date: July 31, 2003Inventors: Ernst Osen, Richard Zuber, Jorg Schaupp, Volker Urbanski, Stefan Rink, Jurgen Henke
-
Patent number: 6599972Abstract: Novel latex or emulsion compositions containing internally plasticizing and crosslinkable monomers derived from traditional semi-drying or non-drying oils are disclosed and claimed. The monomers are ethylenically unsaturated derivatives of long-chain olefinic compounds. Preferred embodiments include latex formed from acrylate or methacrylate esters of fatty alcohols. A process for the synthesis of the latex composition is also disclosed, which involves (a) polymerization of the ethylenically unsaturated derivatives of a long-chain olefinic compound in an aqueous phase with at least one other copolymerizable monomer; and (b) blending of so formed polymer with at least one drier and a surfactant to form the novel latex or emulsion compositions. These compositions form films at low minimum film forming temperatures (MFT) ranging from −5 to 10° C.Type: GrantFiled: January 12, 2001Date of Patent: July 29, 2003Assignee: University of Southern MississippiInventors: Shelby Freland Thames, Kamlesh Gopichand Panjnani, Olan Stanley Fruchey
-
Patent number: 6593416Abstract: Curable fluoroelastomer compositions having improved compression set after curing are provided, as well as compositions that are of relatively high purity. These compositions include a hydrogen-containing fluoroelastomer having interpolymerized units derived from a cure-site monomer, a curative (optionally with a co-agent), and an organo-onium. When the fluoroelastomer contains units derived from vinylidene fluoride, the composition is essentially free from an inorganic acid acceptor. Methods of improving the compression of cured fluoroelastomer and cured fluoroelastomers having improved compression set are also provided.Type: GrantFiled: April 24, 2001Date of Patent: July 15, 2003Assignee: 3M Innovative Properties CompanyInventors: Werner M. A. Grootaert, William D. Coggio, Klaus Hintzer, Robert E. Kolb, Gernot Löhr
-
Publication number: 20030130409Abstract: The following resist composition of chemical amplification type, which is excellent in transparency to light beams and dry etching properties and gives a resist pattern excellent in sensitivity, resolution, evenness, heat resistance, etc.Type: ApplicationFiled: December 12, 2002Publication date: July 10, 2003Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Isamu Kaneko, Shinji Okada, Yasuhide Kawaguchi, Yoko Takebe, Shun-Ichi Kodama
-
Publication number: 20030130393Abstract: An aqueous dispersion composition of about 30 to about 70 weight % non-melt-processible fluoropolymer particles having a standard specific gravity (SSG) of less than 2.Type: ApplicationFiled: March 13, 2002Publication date: July 10, 2003Inventors: Robert John Cavanaugh, Clay Woodward Jones, Kazuo Konabe, Daniel N. Levy, Philippe Andre Fernand Thomas, Theodore A. Treat
-
Patent number: 6579620Abstract: A water-repellent coating has tetrafluoroethylene resin powder, silicone resin binder, and organic solvent. The tetrafluoroethylene resin powder has a ratio of the peak absorbance at 1,800 cm−1 to the peak absorbance at 500 cm−1 of 0.0001 to 0.05 exclusive. A coating film is formed by applying such a coating on a substrate. The coating has the properties of high water repellency, excellent anti-ice-coating, excellent anti-snow-coating, and so on, in spite of not having a large amount of fluororesin powder. In addition, the coating of film keeps the water repellency regardless of whether the coating film is immersed into water for a long time.Type: GrantFiled: November 14, 2001Date of Patent: June 17, 2003Assignees: NTT Advanced Technology Corp., Nippon Telegraph and Telephone Corp.Inventors: Seiichiro Mizuno, Chiemi Nishi, Yasuhiro Tsukamoto, Masaie Fujino, Tsutomu Yanagawa, Takehito Ota, Hiroki Yonezawa, Ken-ichi Takai, Goro Yamauchi
-
Patent number: 6576701Abstract: A crosslinkable fluororubber composition comprising (A) a perfluoro compound having at least two alkenyl groups and a divalent perfluoroalkylene or perfluoropolyether structure in the backbone or a polymer obtained by adding a compound having at least two hydrosilyl groups in the molecule to some alkenyl groups on the perfluoro compound, (B) a reinforcing filler, (C) a addition reaction crosslinking agent having a hydrosilyl group or a peroxide crosslinking agent, and (D) a surface treating agent having at least one fluoroalkyl or fluoropolyalkyl ether group and silanol groups is improved in heat resistance in the cured state by adding thereto (E) a heat resistance modifier selected from carbon black, metal oxides and metal hydroxides.Type: GrantFiled: December 6, 2000Date of Patent: June 10, 2003Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yasuhisa Osawa, Shinichi Sato, Takashi Matsuda, Makoto Sato
-
Publication number: 20030104219Abstract: A composition and method for making a fluoroelastomer is disclosed. The composition comprises a fluoroelastomer containing chlorine and an organic compound containing at least an hydride function. The hydride function has the formula MH where M is Si, Ge, Sn or Pb.Type: ApplicationFiled: October 28, 2002Publication date: June 5, 2003Inventors: Erik D. Hare, William D. Coggio, Klaus Hintzer, Robert E. Kolb, Peter J. Scott, Alain Verschuere, Harald Kaspar
-
Patent number: 6566442Abstract: A composition comprising a polymer mixture A of polymers formed by: (a) from 10 to 70% by moles of ethylene (E), (b) from 30 to 90%, by moles of a fluorinated monomer selected from tetrafluoroethylene (TFE), chlorotrifluoroethylene (CTFE), or mixtures thereof, (c) from 0.1 to 30% by moles, with respect to the total amount of monomers (a) and (b), of one or more acrylic monomers; characterized in that the polymer mixture A comprises polymer fractions having a different content of the acrylic comonomer such that the elastic modulus at 23° C. (ASTM D1708) of said polymer mixture A is lower than at least 10% of the elastic modulus of a polymer formed by monomers a), b) and c) wherein the polymer fractions have substantially an equal content of the acrylic comonomer.Type: GrantFiled: May 22, 2002Date of Patent: May 20, 2003Assignee: Ausimont S.p.A.Inventors: Julio A. Abusleme, Claudia Manzoni
-
Patent number: 6566440Abstract: A polytetrafluoroethylene agglomerated product obtained from a polytetrafluoroethylene powder and a coke powder, wherein the polytetrafluoroethylene powder contains at least 8.3 mass % of a polytetrafluoroethylene fine powder having a particle diameter of from 0.1 to 9.5 &mgr;m, and the mass ratio of the polytetrafluoroethylene powder/the coke powder is 95-60/5-40.Type: GrantFiled: November 14, 2001Date of Patent: May 20, 2003Assignee: Asahi Glass Company, LimitedInventors: Satoru Kuroki, Takamichi Ishikawa, Masumi Nomura, Tadao Chiba
-
Publication number: 20030092828Abstract: Provided are fluorine-containing compounds, and polymers derived therefrom, for use in compositions used for treating textile substrates. The present invention further provides methods of making fluorine-containing compounds and polymers derived therefrom, compositions comprising the compounds and/or polymers of the present invention, methods of treating substrates, and the treated products derived therefrom.Type: ApplicationFiled: June 18, 2002Publication date: May 15, 2003Inventors: David E. Bradley, Jing Ji Ma, David Nalewajek, George J. Samuels, Leonard M. Stachura, Michael Van Der Puy
-
Patent number: 6559198Abstract: Highly comfortable hydrophilic contact lenses are made from a coploymer of an ethylenically unsaturated fluoro-sulfone ester, ethylenically unsaturated fluorosulfone ester monomer of acrylic or methacrylic acid having alkyl hydroxy group and N-Vinyl 2-pyrrolidinone and methods for the manufacturing thereof.Type: GrantFiled: July 5, 2001Date of Patent: May 6, 2003Inventor: Nick Novicky