Nippon Paint Compnay, Ltd.

Shin-etsu Chemical Co., Ltd.

Other

Shinetsu Chemical Industries, Ltd.

Hiroharu Ohsugi

Yoshio Eguchi

Mitsuhiro Takarada

Hisaki Tanabe

Naoki Yamamori

Junji Yokoi

Ryuzo Mizuguchi

Yuji Yoshikawa

Ryozo Takagawa

Satoshi Urano

Akio Harada

Mitsuo Yamada

Kenji Yamamoto

Takeshi Endo

Shinji Nakano

Teruaki Kuwajima

Atsushi Ohgaki

Yoshitaka Okude

Koichi Tsutsui

Hirotoshi Umemoto

Kenshiro Tobinaga

Akihiro Kanakura

Yasuhiko Nakae

Yoshio Okamura

Yoshio Kojima

Tsuyoshi Harakawa

Isao Nakamura

Keita Mizutani

Koichi Fukuda

Ryoji Hamade

Masamichi Furukawa

Kazuaki Masuda

Atsuo Magoshi

Kouki Hayashi

Shigeru Mikami

Koji Asakura

The present invention provides a method of forming a composite coating film which makes it possible to attain both appearance and workability in a high-humidity environment. The method of forming a composite coating film according to the present invention comprises applying a water-based base coat composition on a substrate, and then a clear coat thereon, wherein said water-based base coat composition comprises a pigment and a resin emulsion obtained by emulsion polymerization of an &agr;, &bgr;-ethylenically unsaturated monomer mixture, said &agr;,&bgr;-ethylenically unsaturated monomer mixture having an acid value of 3 to 50 mg KOH/g and containing at least 65% by weight of a (meth)acrylic ester whose ester moiety contains 1 or 2 carbon atoms.

Method of forming a composite coating film comprising a pigment and resin emulsion

Thermosetting water-borne coating composition, method of forming a coating film using same, and method of forming a multilayer coating film

A method for preventing settlement of aquatic fouling organisms on surface of an aquatic structure without environmental hazard is provided. The method is based upon absolutely novel concept to prevent the settlement by means of thick slime layer, i.e. bio-jelly, deposited on said surface. The present invention also provides a bio-jelly producing agent and a bio-jelly producing paint both useful for the present method. Further, the present invention provides a novel low toxic antifouling agent.

Method for preventing settlement of aquatic fouling organisms

A method of forming multilayer coatings including a pigmented base coat layer applied on a substrate such as automobile bodies comprises applying, as an outermost layer, a clear coat composition comprising (a) a resin having pluralities of hydrosilyl groups and alkenyl groups in the molecule or a blend of resins having a plurality of hydrosilyl groups in the molecule and a plurality of alkenyl groups in the molecule, respectively, and (b) a compound catalyzing the addition reaction of the hydrosilyl group to the alkenyl group.

Method of forming multilayer coatings on a substrate

A curable resin composition containing (a) a homo- or copolymer of an organohydrogenpolysiloxane macromonomer, (b) an alkenyl group-containing polymer, and (c) a hydrosilylation catalyst is disclosed. The organohydrogenpolysiloxane macromonomer may be incorporated into a single polymer entity together with an alkenyl group-containing monomer unit to produce a self-crosslinkable copolymer.

Curable resin composition comprising an acrylic copolymer containing an

The present invention provides a paint film with fewer craters and indentations, while maintaining performance as an electrodeposition paint. The electrodeposition paint composition contains an aqueous dispersing system containing an electrodepositable resin and a block polymer containing polysiloxane units and polyalkylene oxide units.

Electrodeposition paint composition containing

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

A curing type resin composition used as a molding material, a paint binder, etc. comprises a curing agent and a copolymer composed of a silicone compound and an .alpha., .beta.-unsaturated vinyl monomer. The silicone compound is selected from the group consisting of silicone compounds having the following general structural formulas (1) and (2) respectively, and the curing agent has at least two functional groups, individual molecules of which react with a functional group in the groups Y of the silicone compound. ##STR1## wherein: X is selected from the group consisting of a 3-acryloxypropyl group and a 3-methacryloxypropyl group;

Curing type resin composition

An antifouling paint containing as an active component, in an amount of 5 to 100% by weight of the non-volatile of the paint, an alkylphenoxy group containing organo-silicon compound selected from an organo-silane, a bis-silyl compound and a polysiloxane, the alkyl being a straight or branched C.sub.7 to C.sub.12 alkyl of the formula: C.sub.x H.sub.2x+1 (in which x is 7 to 12) or a 1-methyl-1-phenylethyl group. The novel antifouling paint of the invention can afford a long-lasting, strong antifouling effect when used as a marine paint.

Antifouling paint

A curable resin composition comprising (a) an acrylic, polyester, epoxy or polyol resin having a plurality of alkynyl groups, (b) an organohydrogenpolysiloxane, and (c) an amount of platinum catalyst effective to catalyze the crosslink reaction between (a) and (b). The composition is useful for coating and molding purposes and gives a cured product having excellent acid resistance, water resistance and other properties.

Curable resin composition

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.

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

This invention discloses a curing resin composition comprising (a) an organic resin containing no less than 2 alkenyl groups per molecule, and having a number average molecular weight of 500-100,000. (b) an organohydrogen-polysiloxane containing no less than 2 Si--H bonds per molecule, and (c) a platinum catalyst. It is desired that the organic resin of component (a) is at least one type chosen from acrylic, polyester and epoxy. The preferable amount of component (b) is such that there are 0.8-4 hydrogen atoms bonded to silicon atoms per alkenyl group of component (a).

Curing resin composition and its cured product

A silicone compound of the rational formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently a hydrogen atom or a hydrocarbon radical free from acetylenic unsaturaiton; Z is --O--, --S-- or --NH--; Y is a divalent organic group; R.sup.3 is a hydrogen atom, an akyl, alkenyl, alkoxy or phenyl group; and m and n are rational numbers satisfy the ration of 4&gt;m+n.gtoreq.2. The compound is useful as a precursor of nonemanating, self-curing and heat resistant silicone resins.

Polymerizable silicones having acetylenic unsaturation

The invention relates to a novel hydrolyzable silicone resin composition comprising a polysiloxane having at least one polyvalent metal ester group represented by either one of the following formulae:

Growing community of inventors

Hirakata, Japan

Hiroharu Ohsugi