Toray Silicone Company Limited

Dow Corning Toray Silicone Company Limited

Dow Corning Toray Company, Ltd.

Dow Corning Corporation

Lignyte Co., Ltd.

Dow Corning Toray Silicone

Dow Corning Europe Sa

Toray Silicone Limited

Dow Silicones Corporation

Dow Toray Co., Ltd.

Masaru Ozaki

Isao Ona

Yoichiro Taki

Seiji Hori

Kazuhiko Kojima

Katsutoshi Usui

Tsutomu Naganawa

Hidetoshi Kurusu

Yoshitsugu Morita

Kazuo Kobayashi

Toshio Saruyama

Tsunehito Sugiura

Takayuki Aso

Masahiko Suzuki

Takatoshi Toyama

Tadashi Fujii

Shinya Oguri

Tadashi Okawa

Tomohiro Iimura

Yuichi Tsuji

Bethany Johnson

Hiroki Ishikawa

Ryuzo Mikami

Tsugio Nozoe

William Blackwood

Tadashi Hamachi

Mari Wakita

Ryuji Tachibana

Asao Harashima

Hidefumi Tanaka

Tadashi Uragami

Tadashi Takimoto

Yoshiaki Tanaka

Giada Tonet

Masakado Kennoki

Anne-Marie Vincent

Tatsuya Nakamura

Yasue Mizutani

Yoichioro Taki

Osamu Tanaka

The present invention relates to a manufacturing method for an organopolysiloxane-polyoxyalkylene block copolymer obtained by condensation reaction of a polyoxyalkylene compound having a particular chemical structure and an organopolysiloxane having a particular chemical structure. The manufacturing method according to the present invention can enable an easy manufacturing of a high molecular weight organopolysiloxane-polyoxyalkylene block copolymer and provide an organopolysiloxane-polyoxyalkylene block copolymer where an amount of volatile cyclic polysiloxane produced as a by-product is small.

Manufacturing method for organopolysiloxane-polyoxyalkylene block copolymer

The present invention relates to a use of an acid in a manufacture of an organopolysiloxane through a condensation reaction of a silicon-containing compound containing a silicon-bonded hydroxyl group and a silicon-containing compound containing a silicon-bonded aminoxy group. Particularly, the present invention relates to a low-odor composition including such an organopolysiloxane. The composition according to the present invention can have little odor caused by a by-product produced via the condensation reaction described above.

Use of acid in the manufacture of organopolysiloxane

Provided is an oil-in-water silicone emulsion composition that has a low silicone oligomer content, and that can form, even without the use of an organotin compound as a curing catalyst, a cured film that exhibits satisfactory strength and satisfactory adherence to a substrate, through the removal of water fraction. An oil-in-water silicone emulsion composition comprising (A) 100 mass parts of a polyorganosiloxane that contains in each molecule at least two groups selected from the group consisting of a silicon-bonded hydroxyl group, alkoxy group, and alkoxyalkoxy group, (B) 0.1 to 200 mass parts of a colloidal silica, (C) 0.1 to 100 mass parts of an aminoxy group-containing organosilicon compound that has in each molecule an average of two silicon-bonded aminoxy groups, (D) 1 to 100 mass parts of an ionic emulsifying agent, (E) 0.1 to 50 mass parts of a non-ionic emulsifying agent, and (F) 10 to 500 mass parts of water.

Oil-in-water silicone emulsion composition

[Problem to be Solved] To provide a non-curable coating composition which is used for preventing or reducing the adhesion of various sticky substances to the surfaces of substrates and is stable at elevated temperature, by using modified silicones having functional groups. [Means to Solve the Problem] A non-curable coating composition characterized by containing a carboxy-modified silicone with a carboxy group at a side chain thereof, and an epoxy/oxyalkylene-modified silicone with an epoxy group and an oxyalkylene group at a side chain thereof in a weight ratio ranging from 1:2 to 1:30, and further comprising an oxyalkylene-modified silicone having an HLB of 10 or more with an oxyalkylene group at a side chain thereof.

Non-curable coating composition

The present invention relates to a composition for use in treating paper, comprising a specific amide polyether group-containing polyorganosiloxane. The present invention can impart superior texture in view of softness, smoothness and the like to wipe paper such as tissue paper, toilet paper or the like, wherein the color of the wipe paper does not change, and water absorbability is not inhibited.

Treatment composition for wipe paper

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

A novel organosilicon polymer, the main chain of which is composed of siloxane units and silalkylene units and to which are bonded organic groups with amide bonds linked to silicon atoms of the molecule.

Organosilicon polymer and method of manufacturing thereof

A polyorganosiloxane emulsion composition characterized by comprising (A) a polyorganosiloxane, (B) an N-acylalkyl taurine and/or a salt thereof, and (C) water, the content of cyclic organosiloxane oligomers in said component (A) being within 3.5 wt. %, and a cosmetic raw material characterized by consisting of said polyorganosiloxane emulsion composition. The emulsion composition is characterized by superior cosmetic functionality in terms of moisture and smoothness.

Polyorganosiloxane emulsion composition and a cosmetic material made therefrom

An aqueous treatment agent for wiping paper is capable of rendering tissue paper, toilet paper, and other types of wiping paper dry to the touch, highly smooth, nonsticky, and extremely soft while suppressing the slippery or wet feel thereof. The aqueous treatment agent comprises a water dispersion of a silicone rubber powder with an average particle diameter of 0.1 to 500 micrometers, a silicone oil, a surfactant, and water.

Aqueous treatment agent for wiping paper

A synthetic fiber treatment agent composition capable of providing synthetic fibers, particularly synthetic fiber padding, with a better hand, smoothness, repulsion, and the like. The composition comprises an amino group-containing polyorganosiloxane with a high amino group content and specific terminal groups, and an amino group-containing polydiorganosiloxane with a low amino group content or a polydiorganosiloxane with no amino groups.

Synthetic fiber treatment agent composition

A cosmetic raw material provides uniform dispersions of silicone oils and crosslinked silicone particles in cosmetic products. The cosmetic products consist of the cosmetic raw material combined with other types of cosmetic raw materials. This provides pleasant sensations of touch with the fingers and skin, improved rubbing properties, and sensation in their use. The method of manufacturing the cosmetic products has a high efficiency. The cosmetic raw material is made from a silicone oil emulsion containing crosslinked silicone particles having an average diameter of 0.05-100 &mgr;m which are contained in silicone oil drops having an average diameter of 0.1-500 &mgr;m, the drops in turn being dispersed in water. The diameter of the crosslinked silicone particles is less than the diameter of the silicone oil drops.

Cosmetic raw materials, cosmetic products, and methods of manufacturing cosmetic products

A highly storage-stable organopolysiloxane composition capable of the long-term retention of its surface-modifying activities, such as antistatic and anticlouding activities is disclosed. The composition comprises a first polyoxyalkylene-functional diorganopolysiloxane that is free of amino, carboxyl, and epoxy groups, a second polyoxyalkylene-functional diorganopolysiloxane that contains an amino-functional organic group, and water.

Highly storage-stable organopolysiloxane composition

The present invention relates to an organopolysiloxane emulsion composition comprising a hydroxy or alkoxy-endblocked diorganopolysiloxane, an alkoxy-group containing organosilicon compound, surfactant, and water. The compositions of this invention are characterized by a lack of offensive odor, high productivity and good storage stability. The organopolysiloxane emulsions of this invention are useful as fiber treatment agents. The fibers treated with the organopolysiloxane emulsion of this invention exhibit good feel.

Organopolysiloxane emulsions and fibers coated therewith

The present invention relates to a fiber treatment composition comprising (A) 100 weight parts of a dimethylpolysiloxane having a viscosity at 25.degree. C. of 2 to 100 mm.sup.2 /s, (B) 1 to 20 weight parts of a metal salt of a fatty acid having from 10 to 20 carbon atoms, and (C) 0.05 to 10 weight parts of at least one organopolysiloxane resin comprising SiO.sub.4/2 units and R.sub.3 SiO.sub.1/2 units wherein R denotes a monovalent hydrocarbon group. The fiber treatment compositions of this invention have excellent dispersion stability and impart superior smoothness and antistick characteristics to fibers and is especially useful in treating spandex fibers.

Fiber treatment compositions

Oranopolysiloxane emulsions and fibers coated therewith

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Ichihara, Japan

Masaru Ozaki