Shin-etsu Chemical Co., Ltd.

Kyushu University

Nof Corporation

Dainichiseika Color & Chemicals Mfg. Co., Ltd.

Nissin Chemical Industry Co., Ltd.

Kose Corporation

Kanebo Cosmetics Inc.

Koji Sakuta

Hideo Nagashima

Yusuke Sunada

Daisuke Noda

Satoshi Kuwata

Kiyomi Tachibana

Hiroe Soejima

Akira Yamamoto

Shigeru Mori

Tetsuo Nakanishi

Takuya Abe

Teruki Ikeda

Toru Hashimoto

Hironori Tsutsumi

Atsushi Tahara

Atsushi Sanagawa

Tohru Kubota

Kazuyuki Hanada

Kenji Yamamoto

Ichiro Ono

Hiromasa Sato

Kenichi Isobe

Hisashi Aoki

Harukazu Okuda

Akihiro Kuroda

Morizo Nakazato

Yasufumi Kubota

Emi Akabane

Tsutomu Nakajima

Tomoya Kanai

Satoshi Onai

Masahide Hatanaka

Hitoshi Usui

Hajime Ogushi

Mina Sawano

Shoma Kawabata

Provided is a catalyst which comprises a compound represented by formula (1) and which exhibits activity for at least one type of reaction selected from among hydrosilylation reaction or hydrogenation reaction with respect to an aliphatic unsaturated bond and hydrosilane reduction reaction with respect to a carbon-oxygen unsaturated bond or a carbon-nitrogen unsaturated bond. Formula (1): M(L) {M represents Fe, Co, or Ni having an oxidation number of 0, L represents an isocyanide ligand represented by formula (2), n denotes an integer of 1-8, and m denotes an integer of 2-12. Formula (2): (CN)—R(Rrepresents a mono- to trivalent-organic group having 1-30 carbon atoms, optionally being substituted by a halogen atom, and optionally having interposed therein one or more atoms selected from among O, N, S, and Si; and x denotes an integer of 1-3)}.

Catalyst for hydrosilylation reaction, hydrogenation reaction, and hydrosilane reduction reaction

Provided is an organopolysiloxane composition, comprising: (A) an organopolysiloxane having at least two silicon atom-bonded alkenyl groups in each molecule, (B) an organohydrogenpolysiloxane having at least two silicon atom-bonded hydrogen atoms in each molecule, (C) a platinum catalyst, and (D) a specific isocyanide compound.

Organopolysiloxane composition

A non-rinse-off hair protective cosmetic including a polyoxyalkylene-modified organopolysiloxane compound which has: a terminal to which a siloxane chain having a polyoxyalkylene group shown by a formula (1) is bonded; 50 or more structural units shown by a formula (2) per molecule; a viscosity of 50,000 mPa&#xb7;s or more at 25&#xb0; C.; and an HLB of 1 to 7, where each Rrepresents an alkyl group or a phenyl group; A represents a monovalent group having a polyoxyalkylene group shown by a formula (3) or (4). Thus, a non-rinse-off hair protective cosmetic excellent in hair protection performance, resistant to water, but easily removable with a shampoo or the like after use. 

Non-rinse-off hair protective cosmetic

This method is for producing a transition metal complex represented by formula (2), the method comprising reacting a compound containing a transition metal selected from V, Cr, Mo, W, Fe, Ru, Co, Rh, Ni, Pd, and Pt with an isocyanide compound represented by formula (1) in the presence of an alkali metal supported by a solid substance which is insoluble in an organic solvent. This production method can be used to easily and efficiently produce a transition metal complex that includes a predetermined transition metal having an oxidation number of 0 and that has the same or different isocyanide compounds, without using a compound harmful to the human body. (1): (CN)&#x2014;R{Rrepresents a mono- to tri-valent organic group having 1-30 carbon atoms, and x represents an integer of 1-3}. (2): M(L){Mrepresents V, Cr, Mo, W, Fe, Ru, Co, Rh, Ni, Pd, or Pt, and is a zero-valent transition metal, L represents an isocyanide compound represented by formula (1), Mand L may be the same or different from each other, 'a' represents an integer of 1-8, and b represents an integer of 2-12}.

Method for producing transition metal-isocyanide complex

The present invention provides a bicontinuous microemulsion composition, including: (A) polyglycerin group-containing organo(poly)siloxane shown by the general formula (1): wherein Rrepresents an alkyl group or a phenyl group, Rrepresents a group having a polyglycerin structure shown by the formula (2) or the formula (3), Rrepresents Ror R, 'a' is 0 to 6, 'b' is 0 to 4, a+b is 0 to 10, and at least one of Ris Rwhen &#x201c;b&#x201d; is 0: wherein Rrepresents an alkylene group or an aralkylene group, &#x201c;c&#x201d; is 0 to 10, and &#x201c;d&#x201d; is 2 to 6; (B) silicone oil having a viscosity of 20 mm/s or less at 25&#xb0; C., volatile hydrocarbon oil, or ester oil; and (C) water. This provide a transparent bicontinuous microemulsion composition in which anionic or cationic surfactant, and water-soluble monovalent or polyvalent alcohol are unnecessary; and a cosmetic with excellent pleasantness of use.

Bicontinuous microemulsion composition and cosmetic

Provided are a novel isocyanide compound, a hydrosilylation reaction catalyst having excellent handling properties and storage properties that allows a hydrosilylation reaction to proceed under moderate conditions by using the isocyanide compound, and a method for producing an addition compound by a hydrosilylation reaction using the hydrosilylation reaction catalyst. A hydrosilylation reaction catalyst prepared from a catalyst precursor comprising a transition metal compound of groups 8, 9, or 10 of the periodic table, excluding platinum, such as an iron carboxylate, cobalt carboxylate, or nickel carboxylate, and a ligand comprising an isocyanide compound having an organosiloxane group.

Isocyanide compound and hydrosilylation reaction catalyst

Provided are: a heavy release additive for a release sheet, for imparting an excellent release coating whereby heavy release force is obtained curability is not reduced, low-temperature curing is possible, and there is also minimal reduction in residual adhesion rate of a released adhesive sheet; an addition-reaction-type organopolysiloxane composition; and a release sheet. A heavy release additive for a release sheet, containing an acrylic-silicone-based graft copolymer having a weight-average molecular weight of 30,000-2,000,000 obtained by radical polymerization of an organopolysiloxane compound (A) having a radical-polymerizable group, and a radical-polymerizable monomer (B) having an acrylic group and/or a methacrylic group, the heavy release additive for a release sheet wherein the component (A) includes an organopolysiloxane compound (A1) having one radical-polymerizable group in each molecule thereof, and the component (B) includes a radical-polymerizable monomer (B2) having two or more radical-polymerizable groups in each molecule thereof.

Heavy release additive for release sheet, organopolysiloxane composition for release sheet, and release sheet

A mononuclear iron bivalent complex having iron-silicon bonds, which is represented by formula (1), can exhibit an excellent catalytic activity in at least one reaction selected from three reactions, i.e., a hydrosilylation reaction, a hydrogenation reaction and a reaction for reducing a carbonyl compound.  (In the formula, Rto Rindependently represent a hydrogen atom, an alkyl group which may be substituted by X, or the like; X represents a halogen atom, or the like; Lrepresents at least one two-electron ligand selected from an isonitrile ligand, an amine ligand, an imine ligand, a nitrogenated heterocyclic ring, a phosphine ligand, a phosphite ligand and a sulfide ligand, wherein, when multiple L's are present, two L's may be bonded to each other; Lrepresents a two-electron ligand that is different from a CO ligand or the above-mentioned L, wherein, when multiple L's are present, two L's may be bonded to each other; and mrepresents an integer of 1 to 4 and mrepresents an integer of 0 to 3, wherein the sum total of mand m(i.e., m+m) satisfies 3 or 4.)

Mononuclear iron complex and organic synthesis reaction using same

A hydrosilylation iron catalyst prepared from a two-electron ligand (L) and a mononuclear, binuclear, or trinuclear complex of iron indicated by formula (1), Fe having bonds with carbon atoms included in X and the total number of Fe-carbon bonds being 2-10. As a result of using iron, the hydrosilylation iron catalyst is advantageous from a cost perspective as well as being easily synthesized. Hydrosilylation reactions can be promoted under mild conditions by using this catalyst.Fe(X)&#x2003;&#x2003;(1)(in the formula, each X independently indicates a C2-30 ligand that may include an unsaturated group excluding carbonyl groups (CO groups) and cyclopentadienyl groups, however at least one X includes an unsaturated group, a indicates an integer of 2-4 per Fe atom.)

Hydrosilylation iron catalyst

A hydrosilylation reaction catalyst prepared from: a catalyst precursor comprising a transition metal compound, excluding platinum, belonging to group 8-10 of the periodic table, e.g., iron acetate, cobalt acetate, nickel acetate, etc.; and a ligand comprising an isocyanide compound such as t-butyl isocyanide. The hydrosilylation reaction catalyst has excellent handling and storage properties. As a result of using this catalyst, a hydrosilylation reaction can be promoted under gentle conditions.

Hydrosilylation reaction catalyst

A hydrosilylation reaction catalyst prepared from: a catalyst precursor comprising a transition metal compound, excluding platinum, belonging to group 8-10 of the periodic table, e.g., iron acetate, cobalt acetate, nickel acetate, etc.; and a ligand comprising a carbine compound such as 1,3-dimesitylimidazol-2-ylidene, etc.. The hydrosilylation reaction catalyst has excellent handling and storage properties. As a result of using this catalyst, a hydrosilylation reaction can be promoted under gentle conditions.

A neutral or cationic mononuclear ruthenium divalent complex represented by formula (1) can actualize exceptional catalytic activity in at least one reaction among a hydrosilylation reaction, hydrogenation reaction, and carbonyl compound reduction reaction. (In the formula, R-Reach independently represent a hydrogen atom or an alkyl group, aryl group, aralkyl group, organooxy group, monoorganoamino group, diorganoamino group, monoorganophosphino group, diorganophosphino group, monoorganosilyl group, diorganosilyl group, triorganosilyl group, or organothio group optionally substituted by X; at least one pair comprising any of R-Rand any of R-Rtogether represents a crosslinkable substituent; X represents a halogen atom, organooxy group, monoorganoamino group, diorganoamino group, or organothio group; L each independently represent a two-electron ligand other than CO and thiourea ligands; two L may bond to each other; and m represents an integer of 3 or 4.)

Mononuclear ruthenium complex and organic synthesis reaction using same

Provided is a mononuclear ruthenium complex that comprises a ruthenium-silicon bond that is represented by formula (1) and that exhibits excellent catalyst activity in each of a hydrosilylation reaction, a hydrogenation reaction, and reduction of a carbonyl compound.  In formula (1), R-Reither independently represent an alkyl group, an aryl group, an aralkyl group or the like that may be substituted with a hydrogen atom or X, or represent a crosslinking substituent in which at least one pair comprising one of R-Rand one of R-Ris combined. X represents a halogen atom, an organoxy group, or the like. L represents a two-electron ligand other than CO and phosphine. When a plurality of L are present, the plurality of L may be the same as or different from each other. When two L are present, the two L may be bonded to each other. n and m independently represent an integer of 1 to 3 with the stipulation that n+m equals 3 or 4.

Substituted mononuclear ruthenium complexes for catalysis of synthetic organic reactions

Provided is a mononuclear iron complex that comprises an iron-silicon bond that is represented by formula (1) and that exhibits excellent catalyst activity in each of a hydrosilylation reaction, a hydrogenation reaction, and reduction of a carbonyl compound.  In formula (1), R-Reither independently represent an alkyl group, an aryl group, an aralkyl group or the like that may be substituted with a hydrogen atom or X, or represent a crosslinking substituent in which at least one pair comprising one of R-Rand one of R-Ris combined. X represents a halogen atom, an organoxy group, or the like. L represents a two-electron ligand other than CO. When a plurality of L are present, the plurality of L may be the same as or different from each other. When two L are present, the two L may be bonded to each other. n and m independently represent an integer of 1 to 3 with the stipulation that n+m equals 3 or 4.

A cosmetic has a polymer (A) having a content of an oxyalkylene unit and/or a glycerin unit of 0.5% by mass or more and under 5.0% by mass; and a polymer (B) having a content of an oxyethylene unit and/or a glycerin unit of 5.0% by mass or more and 20.0% by mass or less, the polymer (A) and the polymer (B) being a crosslinking organopolysiloxane polymer obtained by reacting organohydrogen polysiloxane having two or more hydrogen atoms bonded to a silicon atom in one molecule and polyoxyalkylene and/or polyglycerin having two or more aliphatic unsaturated bonds in one molecule, wherein the mass ratio of the polymer (A) to the polymer (B) is 5:95 to 60:40.

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Annaka, Japan

Koji Sakuta