Dow Corning Corporation

Daikin Industries, Ltd.

Dow Corning Toray Company, Ltd.

Other

Essilor International

Dow Silicones Corporation

Nanogate Ag

Dow Coming Corporation

Dow Toray Co., Ltd.

Peter Cheshire Hupfield

Tetsuya Masutani

Ikuo Yamamoto

Yasuo Itami

Avril Surgenor

Richard G Taylor

Shinichi Minami

Don Lee Kleyer

Eiji Kitaura

Masahiko Maeda

Avril E Surgenor

Masayuki Hayashi

Katsuhiko Imoto

Samantha J Reed

Tetsuo Shimizu

Haruhiko Furukawa

Takuya Ogawa

Tomohiro Iimura

Peter Y Lo

Tomohiro Yoshida

Motoshi Sasaki

Takashi Enomoto

Masaru Nagato

Kent R Larson

Keiji Wakita

Masahiro Miyahara

Norimasa Uesugi

Kouichi Ozaki

Derek William Butler

Scott S Brown

Wataru Nishiumi

Rolf Danzebrink

Hong Sub Kim

Masayuki Onishi

Xiaobing Zhou

Hisashi Mitsuhashi

Mamoru Tachikawa

Tatsuya Morikawa

Janet Mary Smith

Hiroshi Fukui

Robert A Ekeland

Stephen E Cray

Stephen Westall

Toyohiko Fujisawa

Satoshi Onodera

Mari Wakita

Yasushi Sugiura

Jean-Paul H Lecomte

Akihiko Ueda

Mitsuhiro Usugaya

Kouji Kubota

Kaori Ozawa

Yoshinori Taniguchi

Son Thanh Phan

Sarah Louise O'Hare

Thomas Easton

Marc Thibaut

Pierre-Jean Calba

Gregory Hervieu

David A Rich

Rumi Takeuchi

Jean De La Cro Habimana

David Eglin

Masashi Nanri

Lucia Zimmermann

Ralf Zastrau

Grainne Moloney

Stephen Edward Cray

David Rich

Samantha Reed

Robert Alan Ekeland

Tetsuya Mastutani

Don Lee c/o Dow Corning Corporation Kleyer

T Yodogawa Plant Of Daikin Ind Ltd Masutani

Yasuo Yodogawa Plant Of Daikin Ind Ltd Itami

A surface treatment agent, which can impart the excellent water- and oil-repellency, soil resistance and feeling to the substrate, is obtained from a fluorine-containing polymer which contains: (A) a monomer which comprises; (A1) a fluorine-containing monomer of the formula: CH&#x2550;C(&#x2014;X)&#x2014;C(&#x2550;O)&#x2014;Y&#x2014;Z&#x2014;Rf wherein X is a hydrogen atom, a monovalent organic group, or a halogen atom, Y is &#x2014;O&#x2014; or &#x2014;NH&#x2014;, Z is a direct bond or a divalent organic group, and Rf is a fluoroalkyl group having 1 to 20 carbon atoms, and (A2) a (meth)acrylate monomer having a cyclic hydrocarbon group, and (B) at least one functional organopolysiloxane selected from the group consisting of a mercapto-functional organopolysiloxane, a vinyl-functional organopolysiloxane, a (meth)acrylamide-functional organopolysiloxane and a (meth)acrylate-functional group.

Fluorosilicone polymers and surface treatment agent

The present invention provides a curable organopolysiloxane composition capable of producing a cured article that can be used as a transducer and provided with excellent mechanical characteristics and/or electrical characteristics. The present invention also relates to a novel curable organopolysiloxane composition for transducer use comprising a curable organopolysiloxane composition, dielectric inorganic fine particles having a specific dielectric constant of greater than or equal to 10, and fine particles having a specific dielectric constant of less than 10.

Curable organopolysiloxane composition for transducers and applications of such curable silicone composition for transducers

The present invention provides a curable organopolysiloxane composition capable of producing a cured article that can be used as a transducer and provided with excellent mechanical characteristics and/or electrical characteristics. The present invention also relates to a novel curable organopolysiloxane composition for transducer use comprising a curable organopolysiloxane composition and a compound having a highly dielectric functional group.

Disclosed is a fluorine-containing polymer prepared by polymerizing (I) a polyfluoroalkyl group-containing (meth)acrylate which is substituted at alpha-position, in the presence of (II) a blocked isocyanate compound. A water- and oil-repellent composition containing the fluorine-containing polymer can impart the excellent water- and oil-repellency, and excellent durability thereof to substrates.

Fluoropolymers and treatment agent

A surface treatment composition comprising (i) an organosilicon compound having an alkoxysilane functional group at the end of a fluorocontaining polyether chain and (ii) fluorocontaining polyether compound s, wherein a content of the fluorocontaining polyether compounds in the surface treatment composition is less than 25 mol % based on the surface treatment composition.

Surface treatment composition, process for producing the same, and surface-treated article

Disclosed is a fluorine-containing polymer prepared by polymerizing: (I) a polyfluoroalkyl group-containing (meth)acrylate, in the presence of: (II) an isocyanate compound blocked with a pyrazole compound or a malonate ester. A water- and oil-repellent composition containing the fluorine-containing polymer can impart the excellent water- and oil-repellency, and excellent durability thereof to substrates.

Fluoropolymers and surface treatment agent

A process for preparing an acryloyloxysilane, the process comprising reacting a metal salt of a carboxylic acid having the formula [CR&#x2550;CRCOO]M(I), with a haloorganoalkoxysilane having the formula XRSi(OR)R(II) in the presence of mineral spirits and a phase transfer catalyst at a temperature of from 50 to 160&#xb0; C. to form a mixture comprising an acryloyloxysilane and a metal halide having the formula MX(III), wherein Ris H or C-Chydrocarbyl, each Ris independently Ror [COO]M, Mis an alkali metal cation or alkaline earth metal cation, a is 1 or 2, X is halo, Ris C-Chydrocarbylene, each Ris independently C-CQ hydrocarbyl, each Ris independently Rand n is an integer from 1 to 3.

Process for preparing an acryloyloxysilane

There is provided a polyester coating composition having excellent action of preventing deposition of outdoor stain and stain caused by rainfall, being capable of extending a period of time (pot life) from the mixing to the coating, and comprising (A) a polyester resin, (B) one or more of fluorine-containing organosilicon compounds having a fluorine content of 5 to 30% by mass, (C) one or more of aliphatic hydrocarbon compounds having hydroxyl group and 1 to 10 carbon atoms, in which a part of hydrogen atoms bonded to carbon atom may be substituted by fluorine atoms and/or one or more of alkoxy compounds having 2 to 10 carbon atoms, in which a part of hydrogen atoms bonded to carbon atom may be substituted by fluorine atoms, and (D) an organic solvent.

Coating composition

There is provided a curable fluorine-containing polymer composition which is quickly cured at relatively low temperatures by hydrosilylation reaction and provides a coating film which has high hardness, excellent solvent resistance and flexibility. The curable fluorine-containing polymer composition comprises a fluorine-containing polymer comprising a fluorinated ethylenic monomer unit and a non-fluorinated ethylenic monomer unit, in which a part or the whole of the non-fluorinated ethylenic monomer units is a unit represented by the formula: wherein Ris hydrogen or methyl; Ris a hydrocarbon group having ethylenic C&#x2550;C; X is &#x2014;C(O)NH&#x2014; or &#x2014;C(O)&#x2014;; Ris &#x2014;O&#x2014;, &#x2014;O[CH(R)]O&#x2014;, &#x2014;(CH)O&#x2014;, &#x2014;OC(O)&#x2014;(CH)O&#x2014; or &#x2014;(CH)OC(O)&#x2014;(CH)O&#x2014;, where Ris &#x2014;H, &#x2014;OH, &#x2014;CHOH or &#x2014;O&#x2014;X&#x2014;R, a siloxane compound having hydrogen atom bonded to silicon atom, and a catalyst for hydrosilylation reaction.

Curable fluorine-containing polymer composition

A surface treatment composition comprises a polyfluoropolyether silane. The polyfluoropolyether silane and the surface treatment composition are produced by reacting a perfluoropolyether-containing compound and a hydrosilane in the presence of a hydrosilylation catalyst and an isomer reducing agent.

Surface treatment composition, method of producing the surface treatment composition, and surface-treated article

There is provided a curable fluorine-containing polymer composition which is rapidly cured at relatively low temperature by hydrosilylation reaction to form a coating film having not only high hardness and flexibility but also water- and oil-repellency, thereby giving stain-proofing effect for a long period of time, especially maintaining property of removing and wiping-off stain. The curable fluorine-containing polymer composition comprises a fluorine-containing polymer comprising a fluorinated ethylenic monomer unit and an un-fluorinated ethylenic monomer unit, in which a part or the whole of the un-fluorinated ethylenic monomer units are units represented by the formula: where Ris hydrogen atom or methyl group; Ris a hydrocarbon group having ethylenic C&#x2550;C; X is &#x2014;C(O)NH&#x2014; or &#x2014;C(O)&#x2014;; Ris &#x2014;O&#x2014;, &#x2014;O[CH(R)]O&#x2014;, &#x2014;(CH)O&#x2014;, &#x2014;OC(O)&#x2014;(CH)O&#x2014; or &#x2014;(CH)OC(O)&#x2014;(CH)O&#x2014;, where Ris &#x2014;H, &#x2014;OH, &#x2014;CHOH or &#x2014;O&#x2014;X&#x2014;R, a siloxane compound having hydrogen atom bonded to silicon atom, a catalyst for hydrosilylation reaction, and a siloxane compound having no hydrogen atom bonded to silicon atom.

A fluorosilicone reaction product of a vinyl functional organopolysiloxane and a fluorine-containing monomer, and methods of preparing the fluorosilicone are disclosed. The fluorosilicone products are suitable for application to substrates such as textiles, particularly fabrics, to impart oil repellent properties to the textile. The fluorosilicone reaction product is prepared from (A) a fluorine-containing monomer of the formula CH&#x2550;C(X)COOYRf, and (B) a vinyl functional organopolysiloxane.

Fluorosilicones and fluorine- and silicon-containing surface treatment agent

The present invention relates to a composition comprising at least two fluorosilanes and at least one aminosilane, a condensation product of said fluorosilanes and said aminosilane, and a surface protective agent made thereof.

Silanes blend

The present invention provides a water- and oil-repellent soil-resistant composition comprising (A) a fluorine-containing polymer having repeating units derived from a monomer comprising a fluorine-containing monomer and (B) a silane compound. The water- and oil-repellent soil-resistant composition comprising the fluorine-containing acrylate polymer can impart the excellent water- and oil-repellency and soil resistance to the porous substrate and is free from an organic solvent.

Method of preparing water- and oil-repellent soil-resistant composition

A surface modifier comprising an organosilicone compound represented by General Formula (A) and/or General Formula (B): F&#x2014;(CF)&#x2014;(OCF)&#x2014;(OCF)&#x2014;(OCF)(CH)XX&#x2033;Si(X')(R)(A) and F&#x2014;(CF)&#x2014;(OCF)&#x2014;(OCF)&#x2014;(OCF)(CH)XX&#x2033;(X&#x2032;)(R)SiO(F&#x2014;(CF)&#x2014;(OCF)&#x2014;(OCF)&#x2014;(OCF)&#x2014;(CH)XX&#x2033;(X&#x2032;)(R)SiO)F&#x2014;(CF)&#x2014;(OCF)&#x2014;(OCF)&#x2014;(OCF)(CH)XX&#x2033;(X&#x2032;)(R)Si(B) wherein q is an integer from 1 to 3; m, n, and o are independently integers from 0 to 200; p is 0, 1 or 2; X is oxygen or a bivalent organic spacer group: X&#x2033; is a bivalent organosilicone spacer group; X&#x2032; is hydrolysable group; and z is an integer from 0 to 10 when a is 0 or 1.

Surface modifier and its use

Growing community of inventors

Trevaughan, United Kingdom

Peter Cheshire Hupfield