Nippon Paint Compnay, Ltd.

Other

Shin-etsu Chemical Co., Ltd.

Shinetsu Chemical Industries, Ltd.

Yoshio Eguchi

Hisaki Tanabe

Hiroharu Ohsugi

Yasuhiko Nakae

Ryozo Takagawa

Ryuzo Mizuguchi

Satoshi Urano

Mitsuhiro Takarada

Koichi Tsutsui

Naoki Yamamori

Junji Yokoi

Shingi Nakano

Takeshi Endo

Shinji Nakano

Yoshitaka Okude

Tadafumi Miyazono

Akira Fushimi

Akihiro Kanakura

Seigo Miyazoe

Yoshio Okamura

Manabu Yoshioka

Masanobu Inoue

Haruhiko Sawada

Hideyuki Itoh

Akiharu Ogino

Mitsuo Yamada

Yuji Yoshikawa

Naoya Yabuuchi

Atsushi Yamada

Tasaburo Ueno

Tadahiko Nishi

Hiroyoshi Kataoka

Koichi Fukuda

Masamichi Furukawa

Koji Asakura

Hisake Tanabe

Clear coating with composition of acrylic and polyester polycarboxylic acids, polyepoxide and crosslinked resin particles

Composition of acrylic polycarboxylic acid, polyester polycarboxylic acid and polyepoxide

Disclosed is a coating composition comprising: (1) a polycarbonate polyol having an average molecular weight of 400-10,000 and a hydroxyl value of 50-350, and (2) a melamine resin curing agent, wherein polyhydric alcohols constituting said polycarbonate polyol comprises at least 10 mol % of branched diols, at least 10 mol % of tri- or higher-hydric alcohols and the balance of the other polyhydric alcohols, and a ratio of component (1) / component (2) is within the range of 90/10-50/50 based on solid weight.

Polyfunctional polycarbonate polyol

A heat sensitive color developing material containing an electron donating color forming organic compound, a heat activating compound, and a color developer. This material exhibits excellent heat sensitivity and enables rapid color development at low cost.

Heat sensitive color developing material

The present invention provides a powder coating composition which is suitable for precoated steel plates. The powder coating composition has excellent storage stability (e.g. blocking resistance) and provides a cured film having good weather resistance and a good balance of hardness and processability. The powder coating composition comprises;

Powder coating composition

A blend of (A) an acrylic, polyester or epoxy resin having at least two alkenyl or alkynyl groups in a molecule, (B) an organic silicon compound having at least two hydrogen atoms each directly attached to a silicon atom in a molecule, and (C) a hydrosilylaion catalyst is blended with (D) an organic iron or aluminum compound to form a hydrosilylative composition. Component (D) scavenges a catalyst poison, permitting components (A) and (B) to undergo hydrosilylation reaction with the aid of catalyst (C).

Hydrosilylative composition and process of hydrosilylation reaction

Disclosed is an organic polymer microparticle which is obtainable from copolymerization of (a) an ethylenically unsaturated amine polymer obtained by reacting an amine polymer having at least two primary amino groups with 0.01 to 0.99 molar equivalents based on the amount of the primary amino group, of an unsaturation introducing monomer having at least one functional group which is reactive with the primary amino group and an ethylenic double bond with (b) 10 to 99000 parts by weight based on the total amount (100 parts by weight) of the amine polymer and the unsaturation introducing monomer, of a matrix forming ethylenically unsaturated monomer, in an aqueous medium. A process for producing the organic polymer microparticle is also disclosed.

Organic polymer microparticle and process for producing the same

A curable resin composition containing (a) a polymer having a plurality of alkenyl groups, (b) an organohydrogenpolysiloxane having a plurality of hydrosilyl groups, (c) a polymer having a plurality of alkynyl groups, and (d) a hydrosilylation catalyst is disclosed. The composition is stable at room temperature but curable at an elevated temperature.

Curable resin composition

The invention concerns a thermosetting polyester resin capable of forming an anisotropic molten phase comprising a repeating unit of the formula: A-X-B alone, or a combination of the repeating unit of the formula: A-X-B and the repeating unit of the formula: R, adjoining two repeating units being connected each other through an ester bond, in which A represents a mesogenic group defined in the specification, B is a spacer group defined in the specification, X is an ester bond, and R represents a bivalent to hexavalent aliphatic, aromatic or alicyclic hydrocarbon residue, the end bondings of the connected repeating units being occupied by OH, COOH or their reactive derivatives and the sum of the resinous acid value and the OH value being 10 to 200. The invention also provides a powder coating resinous composition containing the abovesaid resin.

Thermosetting polyester resin and powder coating resinous composition

A heat sensitive color developing material containing an electron donating color forming organic compound, a heat activating compound, and a color developer. These materials have excellent heat sensitivity in which color can be developed rapidly and can be produced and easily used.

A bioactive substance control-releasing resinous composition comprising a resin having main chain and side chains, at least one side chain bearing at the end portion thereof an organic acid moiety having a biological activity, through a metal ester bonding. The resin is hydrolyzed in an ionic atmosphere at a controlled rate to generate a bioactive substance as well as metal ions and is useful in various fields and especially as a resinous vehicle for a coating composition.

Metallic ester acrylic compositions capable of releasing bioactive

A heat sensitive color developing material containing an electron donating color forming organic compound, a heat activating compound, and a color developer. These materials have excellent heat sensitivity in which color can be developed rapidly and can be easily produced and easily used.

A process for preparing a polymerizable compound of the formula: ##STR1## or a polymerizable compound of the formula: ##STR2## is provided. These formed compounds are useful for the preparation of an acrylic resin which is low in viscosity and capable of forming a coating with excellent flexibility, weather resistance and water resistance.

Process for preparing a polymerizable compound having both polymerizable

The invention concerns a novel process for the preparation of poly(N-acylethyleneimine) grafted poysiloxanes comprising sulfoesterifying all or part of alcoholic hydroxyl groups of a hydroxy containing polysiloxane and conducting, in said sulfoesterification reaction mixture, ring-opening polymerization of a 2-oxazoline compound. The present process can afford the desired poly(N-acylethyleneimine) grafted polysiloxane in a higher reaction yield. The invention also provides novel poly(N-acylethyleneimine) grafted polysiloxanes.

Poly (N-acylethyleneimine) grafted polysiloxane and its preparation

The invention relates to a composite particle comprising 2 to 98% by weight of a base resin having softending point of -10.degree. to 120.degree. C. and a number average molecular weight of 600 or more and 98 to 2% by weight of an anisotropic crystalline polymer having a phase transition point of 60.degree. to 230.degree. C. and a number average molecular weight of 600 to 10,000 and capable for forming an anisotropic molten phase, the polymer having the specific structure in which a repeating unit of the formula:

Composite particle

Growing community of inventors

Ikeda, Japan

Yoshio Eguchi