Dow Corning Toray Silicone Company Limited

Other

Dow Corning Toray Company, Ltd.

Canon Kabushiki Kaisha

Dow Toray Co., Ltd.

Toru Masatomi

Yoshitsugu Morita

Hideki Kobayashi

Motoshi Sasaki

Kazuo Yoshinaga

Nobuo Kushibiki

Kikuko Takeuchi

Shunichiro Nishida

Takuya Ogawa

Hiroshi Fukui

Satoshi Onodera

Keiko Hiraoka

Yasue Kanzaki

Yuichi Hashimoto

Masataka Kawahara

Hiroshi Honma

Ichiro Murakami

Jun Miyano

Mari Tateishi

Yayoi Nagao

Takeshi Yoshizawa

A curable organopolysiloxane composition containing a fluoroalkyl group, the curable organopolysiloxane composition containing: The curable composition provides a high dielectric constant and favorable transparency. A pressure-sensitive adhesive as a cured product thereof, and a display device, are also provided.

Fluoroalkyl group-containing curable organopolysiloxane composition, cured product of same, and electronic component and display device each of which is provided with said cured product

A curable organopolysiloxane composition containing a fluoroalkyl group is disclosed. The composition comprises: (A) an organopolysiloxane containing a fluoroalkyl group, having at least two alkenyl groups in a molecule, where 10 mol % or more of all substitution groups on the silicon atoms is a fluoroalkyl group, and the average degree of polymerization is less than 150; (B) an organohydrogen polysiloxane having at least two silicon-bonded hydrogen atoms in a molecule at an amount where the silicon-bonded hydrogen atoms in the component is 0.1 to 1.0 mol with regard to a total of 1 mol of the alkenyl groups in component (A); (C) an effective amount of a hydrosilylation reaction catalyst; and optionally, (D) a solvent. The composition generally has a high dielectric constant and favorable transparency. A cured product and applications of the composition and the cured product thereof are also disclosed.

Fluoroalkyl-containing curable organopolysiloxane composition, cured object obtained therefrom, and electronic component or display device including said cured object

A liquid aryl group-containing polyorganosiloxane comprising an arylsiloxy unit represented by RSiO(wherein R is an aryl group), wherein: the arylsiloxy unit constitutes from 20 to 50 mol % of all the siloxy units constituting the polymer, and an average number of moles of aryl groups per 1 mole of Si atoms in the molecule is within a range of 1.20 to 1.65. A composition with an oil agent of the same, wherein the overall refractive index of the composition is not less than 1.45, and an overall viscosity at 25&#xb0; C. of the composition is in a range from 100 to 100,000 mPa&#xb7;s.

Liquid aryl group-containing polyorganosiloxane

To provide a coating agent composition that cures to form a transparent film that exhibits a high water repellency, a high durability, and an excellent adhesiveness to substrate. A coating agent composition that characteristically comprises (A) an acrylic copolymer obtained by the radical copolymerization of (A1) 1 mole silane compound represented by the general formula: CH&#x2550;C(R)&#x2014;COO-Q-SiR(OR), (A2) 3.70 to 6.20 moles of at least one compound that contains a vinyl polymerizable unsaturated bond, and (A3) 1.05 to 1.80 moles of a siloxysilane compound represented by general formula (2): CH&#x2550;C(R)&#x2014;COO-Q-Si(OSiR)at an molar ratio (A1)/{(A1)+(A2)+(A3)}=0.11 to 0.17; and (B) a condensation reaction catalyst.

Coating agent composition

A coating agent composition of the present invention consists of: (A) an acrylic-type copolymer that has a weight-average molecular weight within the range of 3,000 to 100,000 and contains in its side molecular chains hydrolysable silyl groups of the following formula: &#x2014;COO-Q-SiR(OR)and organosiloxysilyl groups of the following formula: &#x2014;COO-Q-Si(OSiR); and (B) a condensation-reaction accelerating catalyst. Prior to curing, the composition demonstrates excellent storage stability and coating properties, while after curing the composition produces a coating film of high hardness that has excellent water-repellent properties and durability.

Coating composition

A film-forming silicone resin composition, comprising a reaction product obtained by a method comprising the step of heating (A) an alkoxysilyl-functional organopolysiloxane obtained by running an equilibration reaction with components comprising (A1) a polydiorganosiloxane and (A2) an alkylpolysilicate in the presence of (A3) an equilibration polymerization catalyst; (B) colloidal silica, aluminum oxide, antimony oxide, titanium oxide, or zirconium oxide; and (C) water, and a curable film-forming silicone resin composition, comprising above film-forming silicone resin composition and (E) a condensation reaction catalyst.

Film-forming silicone resin composition

Liquid alkoxysilyl-functional silicone resins having excellent storage stability and a method of preparing these liquid alkoxysilyl-functional silicone resins comprising running an equilibration polymerization reaction with components comprising (A) a polydiorganosiloxane and (B) an alkyl polysilicate in the presence of (C) an equilibration polymerization catalyst. Curable silicone resin compositions comprising the aforesaid liquid alkoxy-functional silicone resins which have excellent curability and when cured form a water-repellent coating on a variety of substrate surfaces.

Liquid alkoxysilyl-functional silicone resins, method for their preparation, and curable silicone resin compositions

Resinous composition comprising: (A) 100 weight parts of(RSiO)(RSiO)(SiO)(OR)wherein R is selected from the group consisting of monovalent hydrocarbon groups having 1 to 10 carbon atoms, Ris selected from the group consisting of the hydrogen atom and saturated hydrocarbon groups having from 1 to 6 carbon atoms, w is a number from 0 to 0.2, x is a number from 0.4 to 0.9, y is a number from 0.1 to 0.6, z is a number from 0.1 to 0.5, and (w+x+y)=1;(B) 20 to 150 weight parts of an alcohol-based solvent;(C) 100 to 1000 weight parts of a solvent selected from the group consisting of hydrocarbon-based solvents and polydimethylsiloxanes described by the formula MeSiO(MeSiO)SiMe, wherein Me is the methyl group and n has a value of 0 or 1;(D) 1 to 100 weight parts of a coupling agent selected from the group consisting of alkoxysilanes and silane coupling agents;(E) 0.1 to 20 weight parts of a condensation catalyst, and(F) 0.1 to 20 weight parts of a polyoxyalkylene-modified silicone.

Silicone resin composition for water repellent coating

Organosilicon-modified charge transporting compound and curable composition containing the compound and having charge transporting ability

Silicone rubber composition

Dispersibility improver for fluororesin powders, and organic resin compositions

Dispersibility improver for fluororesin powders, modifier for organic resins, and organic resin compositions

A coating agent composition, comprising (A) 100 parts by weight of a polymer having at least two alkoxysilyl groups, wherein the polymer has a number average molecular weight of 500 to 500,000, the polymer has a principal chain comprising a polycarbonate or a polyarylate, and the alkoxysilyl groups in the polymer have the formula &mdash;SiR,(OR&prime;),, wherein R is a substituted or unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, R&prime; is a substituted or unsubstituted monovalent hydrocarbon group having 1 to 8 carbon atoms, and a is from 1 to 3; (B) 50 to 2,000 parts by weight of an organic solvent; (C) 1 to 90 parts by weight of an organosilane, wherein the organosilane is a compound having the formula R&Prime;,SiY,or a partially hydrolyzed condensate thereof, wherein R&Prime; is a substituted or unsubstituted monovalent hydrocarbon group or a hydrogen atom, Y is a hydrolyzable group, and e is from 0 to 2; and (D) a cure catalyst in an amount sufficient to cure the composition. A method of preparing a coating agent composition and a coating agent prepared by curing the composition.

Coating agent composition, method of preparing same, and coating material

A process for the preparation of a photosensitive body surface coating material comprises hydrolytically condensing an alkoxysilane in a mixed solvent comprising an alcohol and water in the presence of finely divided silica. A polysiloxane resin is produced by heat curing the silane after its hydrolytic condensation. The polysiloxane resin has the formula: R.sup.1 SiO.sub.3/2, and R.sup.1 comprises fluorohydrocarbon groups. The photosensitive body surface coating material is not detrimental to the functionality required of the electrophotographic photosensitive bodies, has superior optical uniformity, has low surface energy, and has superior surface hardness.

Process for the preparation of photosensitive body surface coating

A hydroxyphenyl-containing silalkarylene compound having the formula: ##STR1## wherein R is a monovalent hydrocarbon group containing no aliphatic unsaturated bonds, R.sup.1 is alkylene having 1 to 10 carbon atoms, Ph is substituted or unsubstituted phenylene, A is substituted or unsubstituted hydroxyphenyl, B is alkylene having at least 2 carbon atoms or alkylenoxyalkylene, x is from 1 to 100, y is from 0 to 60, and a is 0 or 1. A silalkarylene-modified organic resin obtained by copolymerizing a hydroxyphenyl-containing silalkarylene compound with an organic resin monomer and a coating agent comprising a silalkarylene-modified organic resin.

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Chiba, Japan

Toru Masatomi