Abstract: A resin composition containing (A) an organopolysiloxane having a glycidyloxy group, and (B) at least one selected from the group consisting of a triarylalkoxysilane, a diaryldialkoxysilane, a hydrolysate thereof and a partially hydrolyzed/condensed product thereof is provided. The resin composition may further contain (C) a ?-dicarbonyl compound. The resin composition may further contain (D) an organic compound having one or more of an epoxy group, an oxetanyl group and a vinyl ether group. The resin composition may be mixed with (E) an organoaluminum compound and/or organotitanium compound and be cured.

Abstract: A resin composition including (A) a glycidyloxy group-containing organopolysiloxane in an amount of 100 parts by weight, (B) a neutral salt in an amount of 0.001 parts by weight or more and 1 part by weight or less, (C) a ?-dicarbonyl compound in an amount of 0.5 parts by weight or more and 10 parts by weight or less, and (D) a solvent in an amount of 20 parts by weight or more and 300 parts by weight or less is provided. In a multi-liquid curable resin composition including a first liquid and a second liquid, the first liquid is the resin composition, and the second liquid contains (E) an organoaluminum compound and/or organotitanium compound.

Abstract: An active energy ray-curable composition includes (A) a condensate having a weight average molecular weight of 20,000 or less, and (B) a photoacid generator, with the condensate (A) being obtained by hydrolysis/condensation of: (I) a silane compound containing a hydrolyzable silyl group represented by formula (I): R1—(SiR2a(OR3)3-a. A ratio (Y/X) of Y to X is 0.2 or less, where X represents the number of moles of OR3 groups directly bonded to silicon atoms in the silane compound (I) which is a starting material of the condensate (A) and Y represents the number of moles of OR3 groups directly bonded to silicon atoms in the condensate (A).

Abstract: A method for producing a siloxane resin, by hydrolyzing and condensing a silane compound containing a hydrolyzable silyl group represented by RnSiX4-n using a neutral salt as a catalyst. In the formula RnSiX4-n, R represents an organic group having a carbon atom directly bonded to Si, X represents a hydroxyl group or a hydrolyzable group, and n represents an integer of 0 to 3, provided that when n is 2 or greater each R may be the same as or different from each other, and when (4-n) is 2 or greater, each X may be the same as or different from each other.

Abstract: A method for producing a siloxane resin, by hydrolyzing and condensing a silane compound containing a hydrolyzable silyl group represented by RnSiX4-n using a neutral salt as a catalyst. In the formula RnSiX4-n , R represents an organic group having a carbon atom directly bonded to Si, X represents a hydroxyl group or a hydrolyzable group, and n represents an integer of 0 to 3, provided that when n is 2 or greater each R may be the same as or different from each other, and when (4-n) is 2 or greater, each X may be the same as or different from each other.

Abstract: An active energy ray-curable composition includes (A) a condensate having a weight average molecular weight of 20,000 or less, and (B) a photoacid generator, with the condensate (A) being obtained by hydrolysis/condensation of: (I) a silane compound containing a hydrolyzable silyl group represented by formula (I): R1—(SiR2a(OR3)3-a); and (II) a silane compound containing a hydrolyzable silyl group represented by formula (II): R4—Si(OR3)3 at a molar ratio of the silane compound (II) to the silane compound (I) of 2.0 or less under basic conditions. A ratio (Y/X) of Y to X is 0.2 or less, where X represents the number of moles of OR3 groups directly bonded to silicon atoms in the silane compound (I) and the silane compound (II) which are starting materials of the condensate (A) and Y represents the number of moles of OR3 groups directly bonded to silicon atoms in the condensate (A).

Abstract: The invention aims to provide a resin composition having favorable stain resistance and storage stability even in the form of a one-pack coating material. Provided is a resin composition for a coating material, including: (I) a synthetic resin emulsion; (II) a silicon compound represented by the formula (1): (R1O)4-aSiR2a??(1) wherein R1s are the same or different and each represent an alkyl group having 1-10 carbon atoms, an aryl group having 6-10 carbon atoms, or an aralkyl group having 7-10 carbon atoms; R2s are the same or different and each represent an alkyl group having 1-10 carbon atoms, an aryl group having 6-10 carbon atoms, or an aralkyl group having 7-10 carbon atoms; and a represents an integer from 0 to 2; and/or a partial hydrolysis condensation product thereof and/or a modified product thereof; and (III) a photosensitizer.

Abstract: The invention aims to provide a resin composition having favorable stain resistance and storage stability even in the form of a one-pack coating material. Provided is a resin composition for a coating material, including: (I) a synthetic resin emulsion; (II) a silicon compound represented by the formula (1): (R1O)4-aSiR2a??(1) wherein R1s are the same or different and each represent an alkyl group having 1-10 carbon atoms, an aryl group having 6-10 carbon atoms, or an aralkyl group having 7-10 carbon atoms; R2s are the same or different and each represent an alkyl group having 1-10 carbon atoms, an aryl group having 6-10 carbon atoms, or an aralkyl group having 7-10 carbon atoms; and a represents an integer from 0 to 2; and/or a partial hydrolysis condensation product thereof and/or a modified product thereof; and (III) a photosensitizer.

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.