Dow Corning Toray Silicone Company Limited

Dow Corning Toray Company, Ltd.

Toray Silicone Company Limited

Dow Toray Co., Ltd.

Dow Corning Corporation

Shiseido Company, Limited

Dow Silicones Corporation

Dow Corning Toray Silicone

Dow Global Technolgoies LLC

Daikin Industries, Ltd.

Idemitsu Kosan Company, Limited

Dow Corning Europe Sa

Dow Corning Silicone Company, Ltd.

Toray Dow Corning Silicone

Russian Academy of Sciences

Tadashi Okawa

Ryuzo Mikami

Haruhiko Furukawa

Tomohiro Iimura

Toshio Suzuki

Shuji Yamada

Satoshi Onodera

Masaaki Amako

Yoshitsugu Morita

Makoto Yoshitake

Michitaka Suto

Masayuki Onishi

Hiroji Enami

Hiroshi Ueki

Kazuhiro Nishijima

Steven Swier

John Bernard Horstman

Hiroshi Fukui

Hidefumi Araki

Stephen E Cray

Kei Watanabe

Hideki Kobayashi

Isao Ona

Takuya Ogawa

Kazuo Kobayashi

Randall Gene Schmidt

Masaru Ozaki

Mitsuru Kishine

Tsutomu Naganawa

Kazumi Nakayoshi

Koji Nakanishi

Bethany Johnson

Takaaki Hikosaka

Katsuyuki Kaneko

Tomoko Ikeda

Ryuko Manzouji

Hisataka Nakashima

Hidefumi Tanaka

Yasunari Nakama

Eiji Kitaura

Shigeki Sugiyama

Ryuko Manzoji

Ryuji Tachibana

Osamu Mitani

Shuji Sakamoto

Hirofumi Nishibayashi

Wataru Nishiumi

Makoto Iwai

Manabu Sutoh

Masayuki Hayashi

Eun Sil Jang

Toshiki Ichisaka

Tomohiko Kimura

Junichi Maeshima

Seiji Hori

Shuji Nishihama

Adam C Tomasik

Manabu Suto

Teruhiko Hineno

Takao Takemasa

Sawako Inagaki

Mari Tateishi

Keiichi Akinaga

Shinya Oguri

Giada Tonet

Tomohiro Ilmura

Norikatsu Higuchi

Aziz Muzafarov

Kousei Iwakawa

Eiji Ando

Yasuaki Horikawa

Anne-Marie Vincent

Katsumi Kihara

Mayumi Mizukami

Aziz Muzafarow

Kyosuke Takiuchi

Provided is a curable silicone composition for a release agent which can release a release film from a silicone adhesive with low release force without reducing the adhesive strength of the silicone adhesive to other substrates upon releasing the release film. A release film or laminate having the small release force of the silicone adhesive is also provided. The curable silicone composition comprises: (A) a mixture of two or more fluoroalkyl group-containing organopolysiloxanes having a fluoroalkyl group and at least two alkenyl groups per molecule, wherein the contents of the fluoroalkyl groups differ from each other, and the two or more fluoroalkyl group-containing organopolysiloxanes are a combination of those which are not completely compatibilized at 25° C. when mixed in the absence of a solvent; (B) an organopolysiloxane having at least three silicon-bonded hydrogen atoms per molecule; (C) an effective amount of a hydrosilylation reaction catalyst; and (D) an organic solvent.

Curable silicone composition, release coating agent comprising said composition, release film obtained using said release coating agent, and layered product including said release film

Provided is a curable silicone composition for a release agent which can form a release film having a silicone adhesive with a low release force even when thin and which does not reduce the adhesive strength of the silicone adhesive to other substrates upon releasing the release film. A release film and laminate are also provided. The curable silicone composition comprises: (A) a fluorine-containing organopolysiloxane mixture obtained by mixing the following components (A1) and (A2) at a mass ratio of 1/99 to 45/55: (A1) a fluoro(poly)ether modified organopolysiloxane having at least two alkenyl groups per molecule along with a fluoro(poly)ether-containing organic group; (A2) a fluoroalkyl group-containing organopolysiloxane having at least two alkenyl groups per molecule along with a fluoroalkyl group having 1 to 12 carbon atoms; (B) an organopolysiloxane having at least three silicon atom-bonded hydrogen atoms per molecule; (C) a hydrosilylation reaction catalyst; and (D) an organic solvent.

Provided is a curable silicone composition for a release agent which can form a release film having a silicone adhesive with a low release force even when thin and which does not reduce the adhesive strength of the silicone adhesive to other substrates upon releasing the release film. Also provided is a release film, laminate, and method of manufacture. The curable silicone composition comprises: (A) a fluorine-containing organopolysiloxane mixture obtained by mixing the following components (A1) and (A2) at a mass ratio of 1/99 to 99/1; (A1) a fluoro(poly)ether modified organopolysiloxane having at least two alkenyl groups per molecule along with a fluoro(poly)ether-containing organic group; (A2) a fluoroalkyl group-containing organopolysiloxane having at least two alkenyl groups per molecule along with a fluoroalkyl group represented by CF—CHCH—; (B) an organopolysiloxane having at least three silicon atom-bonded hydrogen atoms per molecule; (C) a hydrosilylation reaction catalyst; and (D) an organic solvent.

An organosilicon compound having not more than 200 silicon atoms per molecule is provided. The organosilicon compound is represented by the following average compositional formula (I): YRSiOwherein Ris an alkyl group having 1 to 12 carbon atoms, alkenyl group having 2 to 12 carbon atoms, aryl group having 6 to 20 carbon atoms, alkoxy group having 1 to 6 carbon atoms, or a hydroxyl group; Y is a specific acylphosphinate residue; and subscripts a and b are numbers satisfying the following conditions: 0<a≤2, 0<b≤3, and a≤b. The organosilicon compound is compatible with organopolysiloxanes and is useful as a photo-initiator for various types of photo-curable compositions.

Organosilicon compound, method for producing thereof, and use thereof

Provided is a resin-linear organopolysiloxane block copolymer which has a high degree of freedom in formulation due to excellent compatibility with other materials, in addition to exhibiting excellent film forming properties and followability of a film, while the stickiness of a film is suppressed. The resin-linear organopolysiloxane block copolymer has: a resin structure (A1) block that has siloxane units represented by RSiO(wherein Rrepresents a monovalent organic group, a hydroxyl group, or an alkoxy group having 1 to 6 carbon atoms) and SiO; and a linear structure (A2) block represented by (RSiO)(wherein n represents a number of 5 or more while R represents an alkyl group, a fluoroalkyl group, or an aryl group) in each molecule. The resin structure (A1) and the linear structure (A2) are linked to each other by an Si&#x2014;O&#x2014;Si bond, and an Si atom bonded to the resin structure (A1) constitutes an RSiOunit.

Resin-linear organopolysiloxane block copolymer, use of same, and method for producing same

A cosmetic composition and a topical composition containing a resin-linear organopolysiloxane block copolymer are provided, which are excellent in compatibility with other cosmetic raw materials, so as to have a high degree of freedom in formulation design, excellent film forming properties and film following properties, and suppressed tackiness of the film. The resin-linear organopolysiloxane block copolymer contains a resin-linear organopolysiloxane block copolymer (A) having a structure in which a resin structure (A1) block having a siloxane unit represented by RSiO(where Ris a monovalent organic group, a hydroxyl group, or an alkoxy group having 1 to 6 carbon atoms) or by SiOand a linear structure (A2) block represented by (RSiO)(where n is a number of 5 or more, R is an alkyl group, a fluoroalkyl group, or an aryl group) are connected by a Si&#x2014;O&#x2014;Si bond and has an RSiOunit.

Cosmetic composition or external composition, and cosmetic raw material composition

An organic silicon compound is disclosed which is represented by a formula: (RSiO)SiR&#x2014;[SiRO][SiR]&#x2014;R&#x2014;R, wherein each of Rand Ris a group independently selected from the group consisting of alkyl groups, alkenyl groups, aryl groups, aralkyl groups and alkoxy groups having 1 to 20 carbon atoms, Ris a divalent hydrocarbon group or an oxygen atom, Ris a divalent hydrocarbon group, or a direct bond to a silicon (Si) atom, Ris a monovalent group represented by (RO)RSi or a monovalent hydrocarbon group having 1 to 20 carbon atoms, and each of Rand Ris a group independently selected from the group consisting of alkyl groups, alkenyl groups, aryl groups, aralkyl groups and alkoxy groups having 1 to 20 carbon atoms, and q is an integer between 1 and 3, y is an integer between 0 and 200, and w is 0 or 1.

Organic silicon compound, surface treatment agent containing same, resin composition containing same, and gel or cured product of same

The present invention relates to a curable silicone composition comprising: (A) an organopolysiloxane having at least two alkenyl groups and at least one aryl group in a molecule, (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule, (C) an organopolysiloxane having at least one aryl group in a molecule and containing a metal atom selected from the group consisting of V, Ta, Nb and Ce, and (D) a hydrosilylation-reaction catalyst. The present invention can provide the curable silicone composition, which does not develop a crack by thermal aging and further can form a cured material that exhibits less yellowing.

Curable silicone composition, cured product thereof, and optical semiconductor device

The present invention provides a gel composition having improved texture in use. A gel composition consisting of an organosiloxane derivative represented by the following formula (1) or (3), a monohydric aliphatic alcohol having 10 to 30 carbon atoms, and water. 

Gel composition and cosmetic

A methacryloxy group- or acryloxy group-containing polyorganosiloxane in which a methacryloxy group or acryloxy group is bonded to a silicon atom in the polyorganosiloxane across a long-chain alkylene group or poly(alkyleneoxy)-long chain-alkylene group having 11 to 20 carbon atoms. A method of producing this methacryloxy group- or acryloxy group-containing polyorganosiloxane, in which a silicon-bonded hydrogen atom-containing polyorganosiloxane is addition reacted in the presence of a hydrosilylation reaction catalyst with a 1-alkenyl methacrylate or a 1-alkenyl acrylate or a 1-alkenyloxypolyalkylene glycol methacrylate or a 1-alkenyloxypolyalkylene glycol acrylate.

Polyorganosiloxane containing methacryloxy group or acryloxy group and method for producing the same

A substrate is surface treated using a composition for forming a film that comprises (A) an organoalkoxysilane, (B) an organopolysiloxane having a silicon-bonded hydrogen atom, and (C) a condensation reaction catalyst. This composition for forming a film can form a highly hydrophobic water repellent film provided with sufficient water shedding performance. It is possible to provide a highly hydrophobic substrate such as a heat dissipating body.

Composition for forming film

An objective of the present invention is to provide a lignocellulose material exhibiting superior dimensional stability and having a reduced water-absorbing property, as well as provide a lignocellulose hybrid material, a paper product or a wood product, with superior dimensional stability and a reduced water-absorbing property. In the present invention, a lignocellulose material is treated with a treatment agent for use in a lignocellulose material containing: (A) a polyvalent carboxylic acid or a derivative thereof; and (B) a silicon compound containing a functional group binding to a silicon atom, and thereby, a lignocellulose hybrid material is obtained. In addition, a paper product or a wood product is obtained by using the aforementioned lignocellulose hybrid material.

Treatment agent for use in lignocellulose material

The present invention provides a novel modified-polysiloxane, method for producing the same, and a cosmetic containing the same. The aforementioned modified-polysiloxane exhibits a reduced viscosity and superior operationability as compared with conventional polyoxyalkylene-modified polysiloxanes and polyglycerol-modified polysiloxanes. In addition, since the modified-polysiloxane is hardly oxidized in air, hardly produce allergenic compounds such as formates, and aldehydes such as formaldehyde, during storage over time, an increased environmental compatibility can be exhibited. In addition, the modified-polysiloxane of the present invention exhibits a reduced hydrolysis property and is stable. In the modified-polysiloxane of the present invention, the terminal hydroxyl groups of a polyglycerol-modified polysiloxane are partially blocked with hydrocarbon groups.

Partially hydrocarbon group-blocked (poly)glycerol-modified polysiloxane, method for producing the same, and cosmetic composition containing the same

The present invention provides a cleanser which is excellent in both of the foaming property and the cleansing capability. The cleanser comprises an organosiloxane derivative salt represented by the following formula (1) or (3) and one or more anionic surfactants selected from a group consisting of carboxylate salt with an alkyl group having 10 to 20 carbon atoms, sulfate salt with an alkyl group having 10 to 20 carbon atoms, sulfonate salt with an alkyl group having 10 to 20 carbon atoms, and phosphate salt with an alkyl group having 10 to 20 carbon atoms. 

Cleanser

The present invention relates to an amino acid-modified organopolysiloxane emulsion obtainable by reacting (a) a carboxy-unprotected amino acid, and (b) organopolysiloxane having an epoxy group in the molecule in an aqueous medium in the presence of a surfactant, is incorporated in a cosmetic product. The present invention also relates to the simple and highly efficient production of emulsions of amino acid-modified polysiloxane, as well as the use of the emulsions as beautifying components.

Method of producing amino acid-modified organopolysiloxane emulsions

Growing community of inventors

Ichihara, Japan

Tadashi Okawa