Abstract: Thermosetting composition comprises a compound having in the molecule two or more carboxyl groups blocked by a vinyl ether compound, a vinyl thioether compound or a hetero compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, a compound having two or more reactive functional groups which can form a chemical bond with the blocked carboxyl compound by heating, a specific vinyl ether or vinyl thioether and a thermal latent acid catalyst. The blocked carboxyl group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule. The thermosetting composition gives cured products having excellent chemical properties, physical properties, weathering resistance and storage stability and is advantageously utilized for coating compositions, ink, adhesive and molded plastics.

Abstract: A thermosetting composition which comprises:(D) a self-crosslinking compound having in the molecule (a) one or more functional groups of the formula (2): ##STR1## wherein R.sup.5, R.sup.6 and R.sup.7 are each hydrogen or an organic group of 1 to 18 carbons, R.sup.8 is an organic group of 1 to 18 carbons, Y.sup.2 is oxygen or sulfur, or R.sup.7 and R.sup.8 are bonded with each other to form a heterocyclic structure which comprises Y.sup.2 as the heteroatom component; and (b) one or more reactive functional groups which can form a chemical bond with carboxyl functional groups which are regenerated from (a) by heating; (C) optionally, a thermal latent acid catalyst which is activated during curing of the composition by heating; (A) optionally, a compound having in the molecule two or more functional groups of the formula (1): ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 are each hydrogen or an organic group of 1 to 18 carbons, R.sup.4 is an organic group of 1 to 18 carbons, Y.sup.1 is oxygen or sulfur, or R.

Abstract: Thermosetting composition comprises a compound having in the molecule two or more carboxyl groups blocked by a vinyl ether compound, a vinyl thioether compound or a hetero compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, a compound having two or more reactive functional groups which can form a chemical bond with the blocked carboxyl compound by heating, a specific vinyl ether or vinyl thioether and a thermal latent acid catalyst. The blocked carboxy group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule. The thermosetting composition gives cured products having excellent chemical properties, physical properties, weathering resistant and storage stability and is advantageously utilized for coating compositions, ink, adhesive and molded plastics.

Abstract: An article coated by a method of coating which comprises coating a substrate with a top coating material comprising at least one pigment and a thermosetting composition, the at least one pigment being in an amount of 0 to 100 weight parts based on 100 weight parts of the thermosetting composition, the thermosetting composition comprising (A) a compound having in the molecule two or more functional groups of the formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each selected from the group consisting of a hydrogen atom and an organic group of 1 to 18 carbon atoms, R.sup.4 is an organic group of 1 to 18 carbon atoms, Y.sup.1 is oxygen or sulfur, or R.sup.3 and R.sup.4 are bonded with each other to form a heterocyclic structure which comprises Y.sup.

Abstract: A thermal latent compound which is prepared by a reaction of a polycarboxyl compound having two or more carboxyl groups in the molecule, having an acid equivalent of not more than 1000 g/mole and a number average molecular weight of not more than 4000, with a monovinyl ether compound, wherein at least two carboxyl groups are transformed into a functional group of the formula (1): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each a hydrogen atom or an organic group of 1 to 18 carbon atoms, R.sup.4 is an organic group of 1 to 18 carbon atoms, Y.sup.1 is an oxygen atom or R.sup.3 and R.sup.4 are bonded together to form a heterocyclic with Y.sup.1 as a heteroatom.

Abstract: Thermosetting composition comprises a compound having in the molecule two or more carboxyl groups blocked by a vinyl ether compound, a vinyl thioether compound or a hetero compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, a compound having two or more reactive functional groups which can form a chemical bond with the blocked carboxyl compound by heating, a specific vinyl ether or vinyl thioether and a thermal latent acid catalyst. The blocked carboxyl group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule. The thermosetting composition gives cured products having excellent chemical properties, physical properties, weathering resistance and storage stability and is advantageously utilized for coating compositions, ink, adhesive and molded plastics.

Abstract: Thermosetting composition is excellent in storage stability, useful as one component thermosetting composition, gives cured products having excellent chemical properties, physical properties and weathering resistance and is favorably utilized in coating compositions, ink, adhesive and molded plastics.The thermosetting composition comprises a compound having in the molecule two or more carboxyl groups blocked by a vinyl ether compound, a vinyl thioether compound or a hetero compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, a compound having two or more reactive functional groups which can form a chemical bond with the blocked carboxyl compound by heating and optionally a thermal latent acid catalyst. The blocked carboxyl group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule.

Abstract: A pigment dispersing agent for paints is a combination of particular amine compound and particular acrylic copolymer or a combination of particular amine compound, particular acrylic copolymer and particular polyester resin. This pigment dispersing agent is applicable to both acrylic resin series paints and polyester resin series paints.

Abstract: A pigment dispersing agent for paints is a combination of particular amine compound and particular acrylic copolymer or a combination of particular amine compound, particular acrylic copolymer and particular polyester resin. This pigment dispersing agent is applicable to both acrylic resin series paints and polyester resin series paints.

Abstract: A process for preparing polymer non-aqueous dispersions to be formulated together with a binder component in coating compositions, which comprises the steps of: (1) emulsion polymerizing a hydroxy group containing .alpha.,.beta.-ethylenically unsaturated monomer, a polyfunctional .alpha.,.beta.-ethylenically unsaturated monomer and an .alpha.,.beta.-ethylenically unsaturated monomer different therefrom by using a water-soluble polymerization initiator, preferably a persulphate, in a soap free system or in the presence of an ester group containing anionic or cationic surfactant; adding an organic solvent, preferably comprising an amphipathic organic solvent, to a resultant polymer aqueous dispersion; and then adding a basic compound catalyst when the anionic surfactant is used or an acidic compound catalyst when the cationic surfactant is used, to thereby hydrolyze completely said surfactant and water-soluble polymerization initiator at a temperature not exceeding 95.degree. C.

Abstract: A resin composition for use as a paint contains a copolymer prepared by copolymerizing a monomer (I) represented by the following formula (I): ##STR1## wherein either one of X.sub.1 and X.sub.2 stands for an acryloyloxy or methacryloyloxy group, the other being a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; R.sub.1 to R.sub.10 each stand for a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; and n is an integer of 1 to 4; with an .alpha.,.beta.-ethylenically unsaturated monomer having a reactive functional group and an .alpha.,.beta.-ethylenically unsaturated monomer having no reactive functional group. A monomer mixture for preparing the copolymer contains 5 to 95 wt % of the monomer (I).

Abstract: A process for preparing polymer non-aqueous dispersions to be formulated together with a binder component in coating compositions, which comprises the steps of: (1) emulsion polymerizing a hydroxy group containing .alpha.,.beta.-ethylenically unsaturated monomer, a polyfunctional .alpha.,.beta.-ethylenically unsaturated monomer and an .alpha.,.beta.-ethylenically unsaturated monomer different therefrom by using a water-soluble polymerization initiator, preferably a persulphate, in a soap free system or in the presence of an ester group containing anionic or cationic surfactant; adding an organic solvent, preferably comprising an amphipathic organic solvent, to a resultant polymer aqueous dispersion; and then adding a basic compound catalyst when anionic surfactant is used or an acidic compound catalyst when the cationic surfactant is used, to thereby hydrolyze completely said surfactant and water-soluble polymerization initiator at a temperature not exceeding 95.degree. C.

Abstract: Smooth cured coated films having excellent properties are formed by electrodepositing and coating a film on a cathode of an electroconductive material in an electrodeposition bath containing a cationically electrodepositing composition, which is composed of a polymer resin having amino groups and acryloyl or methacryloyl groups and of acrylic or methacrylic acid, and curing the coated film by the irradiation of an ionic radiation.