Vinyl ester resins prepared with an addition compound of a secondary amine-acid salt catalyst

Claim 2

The process according to claim 1 wherein said unsaturated monobasic acid is selected from the group consisting of methacrylic acid and acrylic acid.

Claim 3

The process according to claim 1 wherein said addition compound is a member selected from the group consisting of dimethylamine hydrochloride, diethylamine hydrochloride, diethylamine formate, diethylamine acetate, diethylamine boron trifluoride addition product, dibutylamine hydrochloride and N-methylaniline sulfate.

Claim 4

In the process for producing unsaturated ester resins wherein an accelerator containing an organic peroxide and an organic salt of cobalt can be used in curing said resins, the improvement which comprises heat reacting an epoxy compound having at least two epoxy groups on its molecular structure, an alpha-beta unsaturated monobasic acid and a polymerizable monomer, the epoxy compound being present in such amounts that the total carboxyl groups of the acids are between 0.2 and 1.2 mols to each mol of epoxy group of the epoxy compound, said reaction occuring in the presence, as a catalyst, of an addition compound of a secondary amine selected from the group consisting of di(lower)alkyl amines having one to four carbon atoms in the alkyl group and N-methylaniline, and an acid selected from the group consisting of inorganic and organic acids.

Claim 5

The process according to claim 5 wherein said polymerizable monomer is at least one compound selected from the group consisting of acrylic esters, methacrylic esters and styrene.

Claim 6

In the process for producing unsaturated ester resins wherein an accelerator containing an organic peroxide and an organic salt of cobalt can be used in curing said resins, the improvement which comprises heat reactIng an epoxy compound having at least two epoxy groups in its molecular structure, an alpha-beta unsaturated monobasic acid, and at least one member selected from the group consisting of saturated monobasic acids, saturated polybasic acids, saturated polybasic anhydrides, unsaturated polybasic acids and unsaturated polybasic anhydrides, the epoxy compound being present in such amounts that the total carboxyl groups of the acids are between 0.2 and 1.2 mols to each mol of epoxy group of the epoxy compound, said reaction occuring in the presence, as a catalyst, of an addition compound of a secondary amine selected from the group consisting of di(lower)alkyl amines having one to four carbon atoms in the alkyl group and N-methylaniline, and an acid selected from the group consisting of inorganic and organic acids.

Claim 7

In the process for producing unsaturated ester resins wherein an accelerator containing an organic peroxide and an organic salt of cobalt can be used in curing said resins, the improvement which comprises heat reacting an epoxy compound having at least two epoxy groups in its molecular structure, an alpha-beta unsaturated monobasic acid, at least one member selected from the group consisting of saturated monobasic acids, saturated polybasic acids, saturated polybasic anhydrides, unsaturated polybasic acids and unsaturated polybasic anhydrides, and a polymerizable monomer, the epoxy compound being present in such amounts that the total carboxyl groups of the acids are between 0.2 and 1.2 mols to each mol of epoxy group of the epoxy compound, said reaction occuring in the presence, as a catalyst, of an addition compound of a secondary amine selected from the group consisting of di(lower)alkyl amines having one to four carbon atoms in the alkyl group and N-methylaniline, and an acid selected from the group consisting of inorganic and organic acids.

Claim 8

In the process for producing unsaturated ester resins wherein an accelerator containing an organic peroxide and an organic salt of cobalt can be used in curing said resins, the improvement which comprises heat reacting an epoxy compound having at least two epoxy groups in its molecular structure, an alpha-beta unsaturated monobasic acid, and a polymerizable monomer, the epoxy compound being present in such amounts that the total carboxyl groups of the acids are between 0.2 and 1.2 mols to each mol of epoxy group of the epoxy compound, said reaction occuring in the presence, as a catalyst, of an addition compound of a secondary amine selected from the group consisting of di(lower)alkyl amines having one to four carbon atoms in the alkyl group and N-methylaniline, and an acid selected from the group consisting of inorganic and organic acids, and thereafter making a further addition of the polymerizable monomer.

Claim 9

In the process for producing unsaturated ester resins wherein an accelerator containing an organic peroxide and an organic salt of cobalt can be used in curing said resin, the improvement which comprises heat reacting an epoxy compound having at least two epoxy groups in its molecular structure, an alpha-beta unsaturated monobasic acid, at least one member from the group consisting of saturated monobasic acids, saturated polybasic acids, saturated polybasic anhydrides, unsaturated polybasic acids and unsaturated polybasic anhydrides, and a polymerizable monomer, the epoxy compound being present in such amounts that the total carboxyl groups of the acids are between 0.2 and 1.2 mols to each mol of epoxy group of the epoxy compound, said reaction occuring in the presence, as a catalyst, of an addition compound of a secondary amine selected from the group consisting of di(lower)alkyl amines having one to four carbon atoms in the alkyl group and N-methylaniline, and an acid selected from the group consisting of inorganic and organic acids, and thereafter making a further addition of the polymerizable monomer.