Shin-etsu Chemical Co., Ltd.

Toyota Jidosha Kabushiki Kaisha

Bayer Aktiengesellschaft

Toto Ltd.

Taisei Corporation

Tokyo Metropolitan University

Shin-etsu Chemical Col, Ltd.

Tsuneo Kimura

Masatoshi Arai

Takafumi Sakamoto

Tadashi Araki

Yoshio Inoue

Jun Horikoshi

Hironao Fujiki

Shinichi Sato

Noriyuki Koike

Takashi Matsuda

Yasushi Yamamoto

Munenao Hirokami

Yasuo Tarumi

Tsutomu Nakamura

Masaki Tanaka

Masayuki Ikeno

Masahiko Minemura

Akira Yamamoto

Hideyoshi Yanagisawa

Yoshinori Inokuchi

Shunji Aoki

Masanao Kamei

Kenji Yamamoto

Makoto Hayakawa

Toshiya Watanabe

Koichi Higuchi

Mamoru Teshigawara

Kazuyuki Suzuki

Norio Kameda

Isao Iwasaki

Masayuki Yoshida

Kazukiyo Nagai

Atsushi Yaginuma

Kei Miyoshi

Minoru Igarashi

Kazutoshi Fujioka

Hidenori Mizushima

Yoshihide Wakayama

Tetsuro Yamada

Mamoru Hagiwara

Shigeru Ubukata

Makoto Chikuni

Shinichi Satoh

Koji Yokoo

Takuya Abe

Ryuichi Inaba

Akitsugu Fujiwara

Hiroyoshi Kawakami

Kohei Masuda

Masatoshi Miyake

Hironobu Muramatsu

Masaya Ueno

Masashi Yano

Tomoya Kanai

Ryosuke Yoshii

Yuka Mayumi

Nobuyuki Hasebe

Masaharu Sato

Norihide Matsuyama

Takahito Oki

Natsumi Inoue

Shoichi Hasebe

Noriko Kameda

Tatsuya Kagosaki

Seiji Shimada

Satoru Uno

Hirokami Munenao

A rubber composition which contains (A) an organosilicon compound represented by formula (1) and gives a cured object satisfying desired fuel (or power)-saving tire properties. (Rrepresents an alkyl or aryl group, Rrepresents an alkyl or aryl group, e, f, and g each indicate a number larger than 0 and satisfy g/(e+f+g)<0.05, and m is an integer of 1-3.)

Rubber composition and organosilicon compound

An addition reaction-curable silicone emulsion composition containing a water-soluble silane coupling agent (I) and an organopolysiloxane (II) having at least two alkenyl groups in one molecule thereof, where the water-soluble silane coupling agent (I) has at least one group selected from among a succinic anhydride group, a quaternary ammonium group, and a ureido group, and 1 part by mass or more of the water-soluble silane coupling agent (I) is contained relative to 100 parts by mass of the organopolysiloxane (II). This provides: a silicone emulsion composition that gives a cured film adhering well to plastic film substrates regardless of the type, while having suitable release properties regarding adhesives; and a delamination film made by forming a cured film of the silicone emulsion composition.

Silicone emulsion composition

The present invention provides: porous spherical silicone rubber particles which have high light scattering performance; porous silicone composite particles; and a method for producing these particles. The porous spherical silicone rubber particles have pores inside the particles or in the surfaces of the particles.

Porous spherical silicone rubber particles, porous silicone composite particles, and method for producing these particles

A rubber compounding ingredient containing (A) a compound having a blocked isocyanate group and a hydrolyzable silyl group, such as an organosilicon compound having the following formula (1): wherein Ris each independently an alkyl group having 1 to 8 carbon atoms, L is a divalent linking group, X is —O— or —NR—, Z is a hydrogen atom or a monovalent organic group, Ris a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or a group capable of bonding to Z to form a ring structure, and m is an integer of 1 to 3.

Rubber compounding ingredient and rubber composition

A photocurable composition including the following components (A) to (D), (A) a monomer having one (meth)acryloyl structure, (B) a crosslinking agent having two or more (meth)acryloyl structures, (C) an inorganic ultraviolet-blocking agent having a 50% volume cumulative particle size of 1 to 50 nm, and (D) a photopolymerization initiator in an amount of 0.05 to 1 part by weight, relative to total 100 parts by weight of components (A) and (B), wherein a part or all of component (A) is a hydrophilic monomer, and a content of the hydrophilic monomer is 70% by weight or more, relative to the total weight of components (A) and (B).

Photocurable composition, a hydrogel and a molded product thereof

A cosmetic including at least one cyclic silicone represented by formula (1), and having a boiling point of 205 to 255&#xb0; C. and a viscosity of less than 5 mm/s (25&#xb0; C.). This cosmetic has a light touch, a good spread, and excellent water repellency, forms a uniform cosmetic film, can achieve a feeling of use without a strong oily feeling, and has stability over time and cosmetic persistence when a variety of oil such as a silicone, hydrocarbon oil, and ester, an organic ultraviolet absorber, or an oily component being solid at 25&#xb0; C. is mixed. 

Cosmetic

A polyolefin rubber composition comprising (A) an ethylene/&#x3b1;-olefin/nonconjugated polyene random copolymer, (B) an organohydrogenpolysiloxane containing on average from 1 to less than 2 Si&#x2014;H groups in a molecule, and (C) an addition reaction catalyst can be compression molded or steam vulcanized into a cured product having heat resistance and surface lubricity. The cured product is especially suited as weatherstrips and windshield wiper blades.

Polyolefin rubber composition having surface lubricity

A UV curable silicone rubber composition is provided. The composition does not undergo curing failure, foaming, and other undesirable conditions even if a water-containing inorganic filler such as zeolite were added. A UV curable silicone rubber composition comprising (A) 100 parts by weight of an organopolysiloxane having at least 2 alkenyl groups per molecule represented by the average compositional formula (I): RSiO(I) (wherein Ris independently a substituted or unsubstituted monovalent hydrocarbon group, and a is a positive number of 1.95 to 2.05); (B) 1 to 300 parts by weight of an inorganic filler having a water content of at least 0.5% by weight; (C) 0.1 to 50 parts by weight of an organohydrogenpolysiloxane having at least 2 silicon-bonded hydrogen atoms per molecule; and (D) a catalytic amount of a photoactive platinum complex curing catalyst.

Silicone rubber composition, silicone rubber molded article, and production method thereof

A liquid silicone rubber coating composition is provided. The composition comprises (A) an organopolysiloxane having at least 2 alkenyl groups bonded to silicon atoms per molecule; (B) an organohydrogenpolysiloxane having at least 2 hydrogen atoms bonded to silicon atoms per molecule; (C) an addition reaction catalyst; (D) a fine powder silica; (E) an organic compound represented by the following general formula (1): wherein Ris a monovalent hydrocarbon group and n is an integer of 2 to 10; (F) an organosilicon compound having an epoxy group and an alkoxy group bonded to a silicon atom in the molecule; and (G) either one or both of a titanium compounds and a zirconium compounds. When used for the silicone rubber coating layer on air bag base fabric, excellent low burning speed defined by FMVSS-302 is realized and the cured coating layer exhibits low surface tackiness with high anti-blocking property.

Liquid silicone rubber coating composition, curtain airbag, and its production method

A room temperature curable organopolysiloxane composition comprising (A) a diorganopolysiloxane, (B) an alkoxysilane compound and/or a partial hydrolytic condensate thereof, (C) a curing catalyst, and (D) an organic compound having at least one fatty acid ester radical &#x2014;OC(&#x2550;O)CHR(wherein Ris H or a monovalent hydrocarbon radical) and 0, 1 or 2 hydroxyl radicals effectively cures to glass and fluoropolymer-coated aluminum without a need for primer and has storage stability in a sealed package.

Room temperature curable organopolysiloxane composition

A room temperature fast-curing organopolysiloxane composition which has excellent fast curability as well as deep curability is provided without using an organic compound having C&#x2550;O group and the organic compound having NHgroup which are the volatile components. A method for curing such composition is also provided. The room temperature fast-curing organopolysiloxane composition comprises: (A) 100 parts by weight of a diorganopolysiloxane having both ends terminated with hydroxy group and/or a hydrolyzable group; (B) 0.5 to 10 parts by weight of a silane and/or a siloxane having at least 3 alkenoxysilyl groups in its molecule and being capable of forming a compound having &#x2014;NHgroup by hydrolysis; (C) 0.5 to 10 parts by weight of a silane and/or a siloxane having at least 3 aminosilyl groups in its molecule and being capable of forming a compound having &#x2014;NHgroup by hydrolysis; and (D) 0.01 to 10 parts by weight of a curing catalyst.

Room temperature fast-curing organopolysiloxane composition and its curing method

A room temperature curable organopolysiloxane composition is provided. The composition comprises (I) an organopolysiloxane which is a condensation product of component (A) (an organopolysiloxane comprising RSiOunit and SiOunit and containing 0.02 to 0.12 mol/100 g of hydroxy group bonded to the silicon atom) and component (B) (a diorganopolysiloxane raw rubber having hydroxy group on opposite ends thereof), (II) an organosilane compound having at least 2 hydrolyzable groups bonded to the silicon atom on average per molecule, and/or its partial hydrolytic condensate, (III) a solvent, and (IV) a silica nano particle having its surface modified by a branch structure. The composition is capable of providing a high strength film without incorporating reinforcement fillers, with no curing inhibition by the inorganic nano particles, and without inhibiting gas separation performance realized by the inorganic nano particles.

Room temperature curable organopolysiloxane composition and gas separation membrane

A two-part organopolysiloxane composition is provided. A first part comprises (A) an organopolysiloxane, (B) a ketene silyl acetal compound or 2-methyldialkoxysilylpropionic ester, (C) an organic compound or silane compound having at least one nitrogen atom, (D) a silane compound having at least two alkoxy groups, and (E) another ketene silyl acetal compound or 2-trialkoxysilylpropionic ester. A second part comprises (F) an organopolysiloxane, (G) an organotin catalyst, and (H) water. The first and second parts are mixed to form a sealing composition which is fast curable to the depth with alcohol removal.

Two-part organopolysiloxane composition

An oily surface adhesive room temperature curing type organopolysiloxane composition includes: (A) at least one of organopolysiloxanes represented by specific general formulas; (B) heavy calcium carbonate of which the surfaces have been treated with a fatty acid and/or paraffin treating agent; (C) an oil-absorbing carbon powder; (D) a silane represented by a specific general formula or a partial hydrolyzate; (E) a curing catalyst; and (F) an organic compound having one isocyanate group in its molecule.

Oily surface adhesive room temperature curing type organopolysiloxane composition and seal

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Tsuneo Kimura