Polymer modified cyanate and/or cyanamide compositions

Claim 2

A composition comprising (A) from about 0.1 to about 50 percent by weight of at least one alkenylphenyl cyanate represented by formula I in the specification; (B) from about 10 to about 99 percent by weight of at least one aromatic polycyanate or aromatic polycyanamide or mixture thereof represented by formulas II, III, IV or V in the specification; and (C) from 1 to about 50 percent by weight of at least one polymerizable ethylenically unsaturated material; wherein the percent by weight of the components is based upon total weight of the components (A), (B) and (C).

Claim 3

A composition of claim 1 wherein (i) component (A) is present in quantities of from about 0.5 to about 10 percent by weight; (iii) component (B) is present in quantities of from about 50 to about 95 percent by weight; and (iii) component (C) is present in quantities of from about 5 to about 25 percent by weight.

Claim 4

A composition of claim 2 wherein (i) component (A) is present in quantities of from about 1 to about 5 percent by weight; (ii) component (B) is present in quantities of from about 75 to about 90 percent by weight; and (iii) component (C) is present in quantities of from about 10 to about 20 percent by weight.

Claim 5

A composition of claims 1, 2 or 3 wherein component (B) is an aromatic polycyanate or mixture of such polycyanates.

Claim 6

A composition of claim 4 wherein (i) component (A) is p-isopropenylphenyl cyanate; (ii) component (B) is bisphenol A dicyanate or a polycyanate of a dicyclopentadiene-phenol addition product; and (iii) component (C) is an acrylate ester represented by formula XV in the specification of an unsaturated aromatic compound represented by formula XVI in the specification wherein R' is hydrogen, a hydrocarbyl or hydrocarbyloxy group having from 1 to about 10 carbon atoms or a halogen; R 3 is a hydrocarbyl group having from 2 to about 25 carbon atoms and may be branched, cyclic or polycyclic and R 4 is hydrogen or a methyl group.

Claim 7

A composition of claims 1, 2 or 3 wherein from about 1 to about 99 pbw of a polyepoxide represented by formulas XVII, XVIII, XIX or XX in the specification wherein each A is independently a divalent hydrocarbon group having from 1 to about 10 carbon atoms, ##STR19## each A' is independently a divalent hydrocarbon group having from 1 to about 6 carbon atoms or a ##STR20## group; p has a value of from zero to about 10; each R' is independently hydrogen, a hydrocarbyl or hydrocarbyloxy group having from 1 to about 10 carbon atoms; each R" is independently hydrogen or an alkyl group having from 1 to about 4 carbon atoms; m has a value of from about zero to about 30; n has a value of zero or 1; n" has a value of from about 0.001 to about 6; x has a value of 4 and x' has a value of 3 is present.

Claim 8

A composition of claim 6 wherein said polyepoxide is a diglycidyl ether of bisphenol A.

Claim 9

A composition of claim 4 wherein from about 10 to about 50 pbw of a polyepoxide represented by formulas XVII, XVIII, XIX or XX in the specification wherein each A is independently a divalent hydrocarbon group having from 1 to about 10 carbon atoms, ##STR21## each A' is independently a divalent hydrocarbon group having from 1 to about 6 carbon atoms or a ##STR22## group; p has a value of from zero to about 10; each R' is independently hydrogen, a hydrocarbyl or hydrocarbyloxy group having from 1 to about 10 carbon atoms; each R" is independently hydrogen or an alkyl group having from 1 to about 4 carbon atoms; m has a value of from about zero to about 30; n has a value of zero or 1; n" has a value of from about 0.001 to about 6; x has a value of 4 and x' has a value of 3 is present.

Claim 10

A composition of claim 6 wherein said polyepoxide is a diglycidyl ether of bisphenol A.

Claim 11

A product resulting from curing a composition of claims 1, 2 or 3.

Claim 12

A product resulting from curing a composition of claim 4.

Claim 13

A product resulting from curing a composition of claim 5.

Claim 14

A product resulting from curing a composition of claim 6.

Claim 15

A product resulting from curing a composition of claim 7.

Claim 16

A product resulting from curing a composition of claim 8.

Claim 17

A product resulting from curing a composition of claim 9.

Claim 18

A process comprising copolymerization of (A) from about 0.1 to about 50 percent by weight of at least one alkenylphenyl cyanate represented by formula I in the specification; and (B) from about 1 to about 50 percent by weight of at least one polymerizable ethylenically unsaturated material in the presence of; (C) from about 10 to about 99 percent by weight of at least one aromatic polycyanate or aromatic polycyanamide or mixture thereof represented by formulas II, III, IV or V in the specification wherein each A is independently a divalent hydrocarbon group having from 1 to about 10 carbon atoms, ##STR23## each A' is independently a divalent hydrocarbon group having from 1 to about 6 carbon atoms or a ##STR24## group; p has a value of from zero to about 10; each R' is independently hydrogen, a hydrocarbyl or hydrocarbyloxy group having from 1 to about 10 carbon atoms; each Q is independently a --O--C.tbd.N or ##STR25## group; each Z 1 is independently hydrogen, a hydrocarbyl or hydrocarbyloxy group having from 1 to about 6 carbon atoms, chlorine, bromine, a --O--C.tbd.N group or a ##STR26## group; n has a value of zero or 1; n' has a value from zero to about 100; n" has a value of from about 0.001 to about 6; x has a value of 4 and x' has a value of 3; wherein the percent by weight of the components is based upon total weight of the components (A), (B) and (C).

Claim 19

A process comprising copolymerization of (A) from about 0.1 to about 50 percent by weight of at least one alkenylphenyl cyanate represented by formula I in the specification; and (B) from about 1 to about 50 percent by weight of at least one polymerizable ethylenically unsaturated material in the presence of; (C) from about 10 to about 99 percent by weight of at least one aromatic polycyanate or aromatic polycyanamide or mixture thereof represented by formulas II, III, IV or V in the specification wherein each A is independently a divalent hydrocarbon group having from 1 to about 10 carbon atoms, ##STR23## each A' is independently a divalent hydrocarbon group having from 1 to about 6 carbon atoms or a ##STR24## group; p has a value of from zero to about 10; each R' is independently hydrogen, a hydrocarbyl or hydrocarbyloxy group having from 1 to about 10 carbon atoms; each Q is independently a --O--C.tbd.N or ##STR25## group; each Z 1 is independently hydrogen, a hydrocarbyl or hydrocarbyloxy group having from 1 to about 6 carbon atoms, chlorine, bromine, a --O--C.tbd.N group or a ##STR26## group; n has a value of zero or 1; n' has a value from zero to about 100; n" has a value of from about 0.001 to about 6; x has a value of 4 and x' has a value of 3; wherein the percent by weight of the components is based upon total weight of the components (A), (B) and (C).

Claim 20

A process of claim 17 wherein component (C) is an aromatic polycyanate or mixture of such polycyanates.