Abstract: An agent for imparting stain resistance to a top-coat paint film that has (a) from 3 to 10 mass % of a compound represented by Formula (1) or a partial hydrolysis condensate thereof, wherein Formula (1) is R1—(OCH2CH2)n—O—Si(OR2)3 wherein R1 is an alkyl group having 1 to 6 carbon atoms or a hydrogen atom, R2 is the same or different and is an alkyl group having 1 to 6 carbon atoms, and n is an integer value from 2 to 4, (b) from 0.01 to 1 mass % of a catalyst with which the aforementioned (a) component can be hydrolyzed, (c) 0.5 to 3 mass % of an alkylsulfosuccinic acid salt based surfactant, and (d) from 86 to 96.49 mass % of an alcohol based solvent which has not more than 3 carbon atoms. A method for imparting stain resistance to a top-coat paint film employing the disclosed agent is also provided.

Abstract: A nonstaining coating composition which comprises as essential components (A) a specific aliphatic sulfonic acid compound or amine salt thereof, (B) a compound having per molecule at least one functional group selected among carboxyl, a carboxylic acid anhydride group, and a carboxyl group blocked with an alkyl vinyl ether, (C) a specific organosilicate and/or a condensate thereof, and (D) a resin having epoxy groups and/or alkoxysilyl groups in the molecule; and a method of finish coating. Also, a stain resistant coating composition which comprises (F?) a specific modified resin and optionally (B) a compound having in the molecule at least one functional group selected from the group consisting of carboxyl group, carboxylic acid anhydride group and carboxyl group blocked with an alkylvinyl ether compound.

Abstract: A nonstaining coating composition which comprises as essential components (A) a specific aliphatic sulfonic acid compound or amine salt thereof, (B) a compound having per molecule at least one functional group selected among carboxly, a carboxly anhydride group, and a carboxly group blocked with an alkyl vinyl ether, (C) a specific organosilicate and/or a condensate thereof, and (D) a resin having epoxy groups and/or alkoxysilyl groups in the molecule; and a method of finish coating. They give a cured coating film which has nonstaining properties based on a high degree of hydrophilicity from immediately after the formation thereof and has satisfactory long-term weatherability, water resistance, and chemical resistance. The film can impart an excellent finish appearance to the article.

Abstract: A nonstaining coating composition which comprises as essential components (A) a specific aliphatic sulfonic acid compound or amine salt thereof, (B) a compound having per molecule at least one functional group selected among carboxly, a carboxly anhydride group, and a carboxyl group blocked with an alkyl vinyl ether, (C) a specific organosilicate and/or a condensate thereof, and (D) a resin having epoxy groups and/or alkoxysilyl groups in the molecule; and a method of finish coating. They give a cured coating film which has nonstaining properties based on a high degree of hydrophilicity from immediately after the formation thereof and has satisfactory long-term weatherability, water resistance, and chemical resistance.

Abstract: Thermoset paint compositions with which paint films can be formed which have excellent acid resistance, abrasion resistance and adhesion, and with which the water repelling properties and staining resistance can be retained for a longer period of time than with the conventional fluorine resin based paint films, are obtained. Constitution: Thermoset paint film compositions which contain (a) from 20 to 80% by weight of fluorine containing copolymer, comprising fluoro-olefin and vinyl based monomer, of which the solubility parameter value is from 9.0 to 10.5 and the hydroxy group value is within the range from 60 to 150 mgKOH/g; (b) from 20-80% by weight of vinyl based (co)polymer, comprising vinyl based monomer which contains at least 10% by weight of monomer which can be repesented by formula (1), of which the solubility parameter is from 9.0 to 10.

Abstract: A nonstaining coating composition which comprises as essential components (A) a specific aliphatic sulfonic acid compound or amine salt thereof, (B) a compound having per molecule at least one functional group selected among carboxyl, a carboxylic anhydride group, and a carboxyl group blocked with an alkyl vinyl ether, (C) a specific organosilicate and/or a condensate thereof, and (D) a resin having epoxy groups and/or alkoxysilyl groups in the molecule; and a method or finish coating.

Abstract: The present invention relates to a stainproof-treating agent which comprises (A) 0.05 to 30 percent by weight of a nonvolatile resin ingredient, (B) 0.05 to 30 percent by weight of a nonvolatile ingredient of at least one oxide sol selected from the group consisting of an aluminum oxide sol, a silica sol, a zirconium oxide sol and an antimony oxide sol, (C) 1 to 50 percent by weight of an organic solvent and (D) 40 to 99 percent by weight of water, wherein the resin of the ingredient (A) has a solubility parameter of 10 or more and is insoluble in water at 25° C., a method for stainproof-treating by using the stainproof-treating agent and a stainproof-treated article obtained by the method for stainproof-treating. The stainproof-treating agent of the present invention can be applied on a substrate without requiring a special device and can provide excellent stain resistance by modifying a substrate surface hydrophilic by a simple work.

Abstract: To obtain elasticity imparting agents for paints comprised of liquid non-aqueous polymer dispersions which, when added to paints, improve the scratch resistance without lowering the acid resistance of the hardened paint film. A liquid non-aqueous polymer dispersion which contains (a) 40-90 percent by weight organic solvent, (b) 10-50 percent by weight particle component comprised vinyl based copolymer which contains 30 percent by weight or more of structural units of formula (1), and (c) 5-40 percent by weight dispersion stabilizer for dispersing the (b) component in the (a) component. In formula (1) R.sup.1 -R.sup.5 are H or methyl groups, m is 0-2, n is 0-10, p is 0 or 1, q is 0-3 and r is 0-3.

Abstract: Provided are compositions useful as paints which have excellent acid resistance and scratching resistance, and provide a good appearance. The thermoset compositions are comprised of a vinyl copolymer (A) comprised of lactone modified acrylic monomer and other monomer, a blocked polyisocyanate compound (B) which has been reacted with a mixture of malonic acid and acetoacetic acid, and an alkyl etherified amino resin (C).

Abstract: Paint compositions containing (A) a vinyl type copolymer obtained by polymerizing (i) specific silicone type vinyl monomers 1-50% by weight, (ii) vinyl monomers containing hydroxyl groups 5-60% by weight, and (iii) other vinyl monomers 5-80% by weight, (B) specific hydroxyl-group-containing silicone type compounds, and (C) a hardening agent that allows reaction with hydroxyl groups.Paint films can be formed which have excellent water-repellence and oil-repellence, and in which there is no lowering of water-repellence or oil-repellence when they are exposed for long periods in natural environments.

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: Method for forming paint films by the 2-coats/1-bake method, using a clearcoat paint in which the resin component comprises (a) a copolymer of a vinyl monomer mixture containing at least 20 wt % (meth)acrylic acid cycloalkyl esters 40-90 wt %, (b) alkyl-etherified melamine resin 5-50 wt %, and (c) blocked polyisocyanate 5-50 wt %, and a basecoat paint in which the resin component comprises (d) a copolymer of a vinyl monomer mixture containing at least 10% of monomers represented by the general formula ##STR1## (X.sup.1 -X.sup.5 are H or a methyl group, i is 0-2, j is 0 or 1, k is 0-3, m is 0-3, and n is 1-10), 40-80 wt %, (e) alkyl-etherified melamine resin 10-50 wt %, (f) blocked polyisocyanate 0-40 wt %, (g) cellulose type resin 0-20 wt %, and (h) organic crosslinked fine particles 0-30 wt %, and coatings obtained by the said method.

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: Thermosetting compositions which are excellent in storage stability, useful as one component thermosetting compositions, give cured products having excellent chemical properties, physical properties and weathering resistance and favorably utilized in coating compositions, ink, adhesive and molded plastics. The thermosetting compositions comprises a compound having in the molecule two or more hydroxyl groups and/or thiol groups blocked by a vinyl ether compound, a vinyl thioether compound or a heterocyclic 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 hydroxyl and/or thiol compound by heating and a thermal latent acid catalyst. The blocked hydroxyl and/or thiol group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule.

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.