Abstract: The invention relates to a hardening resin composition including a monomer represented by the formulas (1) or (2), a monomer represented by the formula (3), and epoxyacrylate or epoxymethacrylate. This composition is easily hardened at low temperature, weak in odor, small in shrinkage in hardening, excellent during durability against water and hot water, and thus suitable as the flooring material for a food processing factory, refrigerated warehouse, and cold storage. ##STR1## where R.sup.1 to R.sup.6, p and r are as defined.

Abstract: The present invention relates to an unsaturated group-containing polycarboxylic acid resin produced by reacting an epoxidized compound of a condensate of a phenolic compound and an aromatic aldehyde having a phenolic hydroxyl group with (meth)acrylic acid, and further reacting the reaction product with polybasic carboxylic acid or an anhydride thereof; a composition comprising the resin and a cured product of the resin or the composition.The composition according to the present invention is developable with an aqueous alkaline solution and suitable for a solder resist composition which is excellent in heat resistance, solvent resistance, adhesion, electric insulation property and storage stability.

Abstract: Disclosed herein are i) a resin composition comprising (A) a di-(meth)acrylic acid ester of a carbonate diol having an average molecular weight of 500 to 3000 or of an addition compound of the carbonate diol with an .epsilon.-caprolactone, (B) a monoethylenically unsaturated monomer and optionally, (C) an initiator of photopolymerization, ii) a di-(meth)acrylic acid ester of an addition compound of a carbonate diol having an average molecular weight of 500 to 3000 with an .epsilon.-caprolactone and iii) a di(meth)acrylic acid ester represented by the formula: ##STR1## wherein R.sup.1 represents an alkylene group having 4 to 10 carbon atoms, R.sup.2 represents a hydrogen atom or a methyl group, the mean values of a and b are 0 to 5, respectively, the mean sum of a plus b is 0.5 to 5 and the mean value of l is 1 to 10.

Abstract: A silicon-urethane (meth) acrylate which is a reaction product of an isocyanato-alkylsilane compound represented by the following general formula: ##STR1## wherein R.sub.1 represents an alkylene group having 2 to 5 carbon atoms, R.sub.2 represents an alkyl group having 1 to 5 carbon atoms or alkoxy group having 1 to 5 carbon atoms, and R.sub.3 and R.sub.4 each represents an alkyl group having 1 to 5 carbon atoms, and a hydroxyl group-containing ester of (meth) acrylic acid, a resin composition and a coating material for optical glass fiber comprising said silicon-urethane (meth) acrylate.

Abstract: Disclosed herein are novel diesters of (meth)acrylic acid represented by the following formula: ##STR1## wherein the mean values of m and n are respectively 0 to 5, preferably 0 to 3, the mean value of m+n is 1 to 10, preferably 1 to 6, and R represents H or CH.sub.3.Also, disclosed herein are resin compositions comprising said diester(s) of (meth)acrylic acid, polyurethane (meth)acrylate(s), monoethylenically unsaturated monomer(s) and initiator(s) of photopolymerization as an optional component.

Abstract: Disclosed herein are (i) a resin composition comprising (A) a di-(meth)acrylic acid ester of a carbonate diol having an average molecular weight of 500 to 3000 or of an addition compound of the carbonate diol with an .epsilon.-caprolactone, (B) a monoethylenically unsaturated monomer and optionally, (C) an initiator of photopolymerization, (ii) a di-(meth)acrylic acid ester of an addition compound of a carbonate diol having an average molecular weight of 500 to 3000 with an .epsilon.-caprolactone and (iii) a di-(meth)acrylic acid ester represented by the formula: ##STR1## wherein R.sup.1 represents an alkylene group having 4 to 10 carbon atoms, R.sup.2 represents a hydrogen atom or a methyl group, the mean values of a and b are 0 to 5, respectively, the mean sum of a plus b is 0.5 to 5 and the mean value of l is 1 to 10.

Abstract: Novel organophosphates of the general formula: ##STR1## wherein R.sub.1 and R.sub.2 each represents H or CH.sub.3, m is a numeral of 1-5 and n is a numeral of 1-2, and adhesives comprising them.

Abstract: Disclosed herein is a photopolymerizable composition comprising poly-N-vinylpyrrolidone (A); a compound (B) represented by the formula (I): ##STR1## wherein each of R.sup.1, R.sup.2 and R.sup.3 represents a hydrogen atom or a methyl group; an acid amide (C) represented by the formula (II): ##STR2## wherein R.sup.4 represents a hydrogen atom or a methyl group and a monomeric compound (D) having an acryloyl group or a methacryloyl group in the molecule thereof as well as optionally a photopolymerization-initiator (E).

Abstract: A novel (meth)acrylate represented by the general formula [I]: ##STR1## wherein R.sub.1 stands for a hydrogen atom or an alkyl group having 1 to 12 carbon atoms; R.sub.2 and R.sub.3 each stand for a hydrogen atom or a methyl group; the mean value of m is 1 to 10 and the mean value of n is 1 to 10 and a resin composition comprising the same.

Abstract: Novel organophosphates of the general formula: ##STR1## wherein R.sub.1 and R.sub.2 each represents H or CH.sub.3, m is a numeral of 1-5 and n is a numeral of 1-2, and adhesives comprising them.

Abstract: A powder coating composition comprising an ethylenically unsaturated compound (a) represented by the general formula ##STR1## (wherein R.sup.1 is H or CH.sub.3) and a polymerization catalyst (b) or said ethylenically unsaturated compound (a), a polymerization catalyst (b) and an epoxy (meth)acrylate (c) obtained by reacting a polyepoxide compound with an .alpha.,.beta.-unsaturated monocarboxylic acid, wherein the weight ratio of the component (a)/the component (c) is 90 to 20 parts by weight/10 to 80 parts by weight.

Abstract: Disclosed herein are ethylenically unsaturated compounds represented by the formula: ##STR1## wherein R represents a hydrogen atom or a methyl group, on the average m and n respectively represent a value of 1 to 5, on the average p represents a value of 1 to 6, on the average q and r represent respectively a value of 0 to 3, on the average s represents a value of 0 to 5, p+q+r+s is 6: q+r is a value of 0 to 3, p+s is a value of 3 to 6 and the average value of mp+nq is 1 to 30, and a method for producing the same.

Abstract: Acetal glycol diacrylates of the formula: ##STR1## wherein R.sub.1 represents H or CH.sub.3 and R.sub.2 represents CH.sub.3, C.sub.2 H.sub.5 or C.sub.3 H.sub.7,and a process for producing them are provided.

Abstract: Di(meth)acrylate esters of the formula: ##STR1## wherein m and n each represents O or an integer of 1 to 3, the average sum of m+n being 1 to 6 and R represents hydrogen or a methyl group, and process for producing the same.The esters are copolymerizable with other unsaturated compounds to form radiation hardenable films with a reduced irritating effect.