Abstract:
Disclosed are:1) a three-component resin composition comprising a hydroxyl group-containing compound (A), an epoxy group-containing compound (B) and a silane group-containing compound (C);2) a two-component resin composition comprising a hydroxyl group-containing compound (A) and silane group- and epoxy group-containing compound (D);3) a two-component resin composition comprising hydroxyl group- and silane group-containing compound (E) and epoxy group-containing compound (B); and4) two-component resin composition comprising hydroxyl group- and epoxy group-containing compound (F) and silane group-containing compound (C); wherein at least one of the components in each of the resin compositions 1) to 4) is (are) fluorine-containing resin;5) a curable composition comprising one of the resin compositions 1) to 4) and a metal chelate compound as curing catalyst; and6) coating compositions comprising such curing composition and when required a pigment.
Abstract:
A self-curing aqueous resin dispersion obtained by neutralizing a resin having at least one alicyclic epoxy group and at least two carboxyl groups in the molecule, with a base and dispersing the neutralized resin in water.
Abstract:
This invention provides an aqueous organosilicon resin coating composition comprising:(I) an aqueous organosilicon resin which is a condensation product and which contains a quaternary ammonium base, the condensation product being prepared from (i) an organosilicon compound represented by the formulaR.sup.1.sub.a Si(OR.sup.2).sub.4-a (A) wherein R.sup.1 is hydrocarbon group having 1 to 12 carbon atoms, R.sup.2 is hydrocarbon group having 1 to 8 carbon atoms and a is 0, 1 or 2, and/or a low condensate thereof and (ii) an organosilicon compound represented by the formula ##STR1## wherein R.sup.3 is hydrogen atom or methyl group, R.sup.4 is bivalent hydrocarbon group having 1 to 8 carbon atoms and R.sup.2 is as defined above, and/or a low condensate thereof and,(II) an aqueous medium.
Abstract:
This invention provides a curable resin obtained by polymerizing at least one of an alkoxysiloxane-containing vinyl monomer and a polysiloxane macromonomer with an oxirane-containing vinyl monomer in the presence of a polymerization initiator and a resin having in the molecule a carboxyl group and/or an alicyclic hydrocarbon ring having one or two hydrogen atoms bonded to at least one carbon atom forming the alicyclic hydrocarbon ring; and a resin composition curable at a low temperature comprising the curable resin as defined above and a chelate compound.
Abstract:
The present invention provides a curable composition characterized in that the composition comprises a copolymer comprising as monomer components an oxirane-containing vinyl monomer and a specific alkoxysilane-containing vinyl monomer, and as a crosslinking curing agent at least one of an aluminum chelate compound and a zirconium chelate compound having neither of hydroxyl and alkoxyl directly combined with zirconium. The invention also provides a curing method characterized in that the composition is cured at a temperature of up to 100.degree. C. in the presence of water.
Abstract:
An anticorrosive coating composition comprising (i) an aqueous medium, and dispersed therein, (ii) a water-soluble, film-forming and crosslinkable resin having a hydroxyl group and a proton-free onium salt radical and (iii) a chelate compound of titanium or zirconium.
Abstract:
A method and a composition for forming electron beam curing high build coating film which method comprises the steps of preparing a specified coating composition, applying it to the surface of a substrate to be coated, and curing the coating film with the irradiation of electron beams or ultraviolet rays. The coating composition of the invention comprises a polymerizable resin (I) as the main vehicle component which is cured by the irradiation of electron beams or ultraviolet rays and has at least two polymerizable unsaturated double bonds and at least one hydroxyl group in its molecule, and a polyisocyanate compound (II). Further, a resin (III) having active unsaturated groups can be added to the above coating composition so as to improve the pot life of the composition.