Abstract: A hydrolyzable silyl group-containing azo compound is represented by the following general formula (I): ##STR1## wherein A represents a group originating from an azo compound having one or more active hydrogen groups;R.sup.1 represents a monovalent organic group;R.sup.2 represents a divalent organic group;X represents a hydrolyzable group;Y represents --O--, --S--, ##STR2## m is an integer of 1 to 3; and n is an integer of 1 or 2;and process for producing the same is disclosed. The hydrolyzable silyl group-containing azo compound is used to prepare a hydrolyzable silyl group-containing vinyl polymer produced by polymerizing vinyl monomer as a radical polymerization initiator.

Abstract: A silyl group-containing, polyester-modified vinyl resin comprising(A) 3 to 45% by weight of units of a polyester resin including a polymerizable unsaturated group,(B) 5 to 30% by weight of units having a group of the formula (I): ##STR1## wherein R.sup.1 is hydrogen atom or a monovalent hydrolyzable group having 1 to 10 carbon atoms selected from the group consisting of an alkyl group, an aryl group and an aralkyl group, R.sup.2 is an organic residue having a polymerizable double bond, X is a hydrolyzable group and n is an integer of 1 to 3, and(C) 25 to 92% by weight of units of a copolymerizable vinyl monomer. The vinyl resin has excellent dispersibility, color match stability and storage stability.

Abstract: A curable resin comprising units of at least one prepolymer selected from the group consisting of a prepolymer (C) and a prepolymer (F); the prepolymer (C) having the formula (I): ##STR1## and the prepolymer (F) having the formula (III): ##STR2## The curable resin has the excellent flexibility, solvent resistance and adhesion to organic materials and the properties thereof can be controlled accordingly to desire, in addition to the excellent curability at ordinary temperature, adhesion to inorganic materials and weatherability.

Abstract: A curable resin having a number average molecular weight of 1,000 to 100,000 and having the formula (I): ##STR1## and a process for preparing the curable resin (I). The curable resin (I) of the invention is excellent in flexibility, solvent resistance, adhesion to organic materials as well as inorganic materials, storage stability, curability at ordinary temperature and weatherability.

Abstract: A hydrolyzable silyl group-containing azo compound is represented by the following general formula (I): ##STR1## wherein A represents a group originating from an azo compound having one or more active hydrogen groups;R.sup.1 represents a monovalent organic group;R.sup.2 represents a divalent organic group;X represents a hydrolyzable group;Y represents --O--, --S--, ##STR2## m is an integer of 1 to 3; and n is an integer of 1 or 2;and process for producing the same is disclosed. The hydrolyzable silyl group-containing azo compound is used to prepare a hydrolyzable silyl group-containing vinyl polymer produced by polymerizing vinyl monomer as a radical polymerization initiator.

Abstract: A resin composition comprising 5 to 100% by weight of a vinyl copolymer comprising 0.1 to 99% by weight of units having the formula (I): ##STR1## The composition of the invention is excellent in weatherability.

Abstract: A coated material obtained by applying a coat containing a metallic powder and/or a coloring pigment to a substrate and further applying a topcoat clear coating thereon, wherein said topcoat clear coating is a heat-hardening coat which contains a composition comprising a hydroxyl group-containing resin, a hydrolyzable silyl group-containing polymer and a hardening catalyst as the main component. This coated material is excellent in, for example, appearance, acid resistance, staining resistance, adhesiveness and hardness.

Abstract: A coated article with metallic finish which comprises a base layer of a paint containing metallic powder and, if necessary, color pigment applied to the substrate and a topcoat applied to said base layer, said topcoat being formed by applying and curing a coating material composed mainly of a silyl group-containing vinyl polymer or copolymer having the main chain composed substantially of a vinyl polymer and at least one silicon atom connected to a hydrolyzable group at the terminal or side chain per molecule.

Abstract: A curable composition at room temperature comprising (A) 100 parts by weight of a hydrolyzable silyl group-containing vinyl polymer, (B) 0.1 to 100 parts by weight of a specific silane compound and (C) 0 to 20 parts by weight of a curing catalyst, the silane compound (B) being a silane compound selected from ##STR1## The composition is excellent in not only adhesion to melamine alkyd or malamine acrylic resin coatings but also hardness, solvent resistance and staining resistance.

Abstract: A coating composition comprising:(A) 100 parts by weight of a vinyl polymer having on the main polymer chain end or a side chain thereof at least one silyl group containing a silicon atom to which a hydrolyzable group is linked, per one polymer molecule, the main chain of the vinyl polymer consisting essentially of a polymer of a vinyl monomer,(B) 0 to 10 parts by weight of a curing catalyst,(C) 0 to 10 parts by weight of a hydrolyzable ester compound, and(D) 0.5 to 100 parts by weight of a dialkyl ester of dibasic acid having the formula (1): ##STR1## The coating composition of the present invention has excellent adhesion to under coats, and therefore it is suitable for use of automotive refinishing paints and industrial coatings.

Abstract: A coating composition comprising:(A) 100 parts by weight of a vinyl polymer having on the main polymer chain end or a side chain thereof at least one silyl group containing a silicon atom to which a hydrolyzable group is linked, per one polymer molecule, the main chain of the vinyl polymer consisting essentially of a polymer of a vinyl monomer,(B) 0 to 10 parts by weight of a curing catalyst,(C) 0 to 10 parts by weight of a hydrolyzable ester compound, and(D) 0.5 to 100 parts by weight of a dialkyl ester of dibasic acid having the formula (1): ##STR1## The coating composition of the present invention has excellent adhesion to under coats, and therefore it is suitable for use as automotive refinishing paints and industrial coatings.

Abstract: A curable copolymer having a number average molecular weight of 1,000 to 100,000, and having the formula (1): ##STR1## and a process for the preparation of the curable copolymer (1). The curable copolymer of the present invention has excellent flexibility, solvent resistance and adhesion to organic materials.

Abstract: A curable resin comprising units of at least one prepolymer selected from the group consisting of a prepolymer (C) and a prepolymer (F); the prepolymer (C) having the formula (I): ##STR1## and the prepolymer (F) having the formula (III): ##STR2## The curable resin has the excellent flexibility, solvent resistance and adhesion to organic materials and the properties thereof can be controlled accordingly to desire, in addition to the excellent curability at ordinary temperature, adhesion to inorganic materials and weatherability.

Abstract: A process for the preparation of a room-temperature curable resin comprises reacting a compound (A) containing at least two acryloyl groups and/or methacryloyl groups in a molecule, and having from 100 to 100,000 of number-average molecular weight, with an aminosilane compound (B) represented by formula, ##STR1## (wherein X is a hydrolyzable group selected from the group consisting of halogen, alkoxy, acryloxy, ketoxymate, amino, acid amide, aminoxy, mercapto, alkenyloxy groups; R.sub.1 is C.sub.1 -C.sub.10 alkyl group, aryl group, or aralkyl group; n is an integer of from 1 to 3, and m is an integer of from 1 to 10),at the ratio of at least 0.2 equivalents of primary amino groups contained in the compound (B) to equivalent of acryloyl groups and/or methacryloyl groups contained in the compound (A), under substantially water-free condition, subsequently reacting the reaction product of aminosilane-modified resin and, furtherwith a monofunctional isocyanate compound (C) represented by formula,R.sub.

Abstract: A moisture curable composition having an improved storage stability comprising a hydrolyzable silyl group-containing vinyl polymer and an orthoacetic acid ester as a stabilizer. The storage stability of the composition containing the hydrolyzable silyl group-containing vinyl polymer, which is curable in the presence of moisture at low temperatures, can be remarkably improved by the presence of the orthoacetic acid ester.

Abstract: A one component moisture curable composition containing (A) a hydrolyzable silyl group-containing vinyl polymer and (B) an acid phosphoric compound having ##STR1## linkage in the molecule as a hardener, which has excellent recoatability, curing property and adhesion to other paint films and is particularly suitable as a coating composition for use in multicoat coating.

Abstract: A metallic base paint comprising a blend consisting essentially of (A) a silyl group containing vinyl type resin having a backbone substantially comprising a polyvinyl type polymer chain and containing at least one silicon atom attached to a hydrolyzable group at a terminal or in a side chain in its molecule; (B) metal powder; and one or more of the following: (C) acrylic resin; (D) cellulosic compound; (E) reactive silicon compound. This paint can be cured at low temperatures, with setting time, and provides a coated surface of uniform metallic luster.

Abstract: A moisture curable composition comprising (I) a hydrolyzable silyl group-containing vinyl polymer and (II) a combined curing catalyst system of (a) an organic phosphorus-containing compound such as an organic acid phosphate, an organic acid phosphite, or an acid titanium phosphate such as those known as titanate coupling agent and (b) an amine compound. The composition has well balanced pot life and curability and provides a cured product having an excellent appearance, and the curability can be arbitrarily controlled according to the purposes by selecting the ratio of the components (a) and (b).

Abstract: A one component room temperature setting composition having an excellent storage stability comprising a hydrolyzable silyl group-containing vinyl polymer, a hardener and a stabilizer selected from a hydrolyzable ester compound and a .beta.-diketone compound, which may further contain a pigment and a solvent. The storage stability of the composition containing the hydrolyzable silyl group-containing vinyl polymer which is crosslinkable in the presence of water to harden at room temperature, can be remarkably improved by the presence of the above stabilizer.

Abstract: A composition which is curable upon exposure to moisture comprising an organic polymer having at least one silicon bonded hydrolyzable group and an alcohol, wherein the composition is storable for long periods of time without any substantial increase in its viscosity.