High-impact polyamide molding and extrusion resin compositions

Claim 2

The product of the process of melt blending: (a) from about 50 to about 97% by weight of a polyamide resin derived from (1) the reaction of a dicarboxylic acid or derivative thereof containing from two to twenty carbon atoms with a diamine containing from two to fifteen carbon atoms, or (2) the polymerization of a lactam, and (b) from about 3 to about 50% by weight of an elastomer which (1) contains from about 5 to about 500 mole equivalents of polyamide reactive chlorine or bromine atoms per 10 6 grams of elastomer, said chlorine or bromine atoms being present in the elastomer in segments of the formula: ##STR3## wherein, X is (i) a monovalent radical selected from the group consisting of phenyl, vinyl, carboxy, cyano and nitro, or (ii) a divalent radical selected from the group consisting of oxy, carbonyl, thio, sulfone and corresponding divalent radicals of said (i) radicals; R is hydrogen or alkyl when X is an (ii) radical, and a divalent radical when X is an (i) radical; and Halo is the chlorine or bromine; and (2) has a glass transition temperature of less than 0° C.

Claim 3

The product of claim 1 wherein the polyamide resin is selected from the group consisting of polyhexamethylene adipamide, polyhexamethylene azealamide, polyhexamethylene sebacamide, polycaprolactam, polyhexamethylene isophthalamide, polyhexamethylene tere-co-isophthalamide and mixtures and copolymers of the above.

Claim 4

The product of claim 1 or 2 wherein the elastomer is selected from the group consisting of halogen functional poly(ethylene/propylene), polybutadiene, poly(styrene/butadiene), poly(ethylene/propylene/diene), poly(acrylonitrile/butadiene), polyacrylate, poly(ethylene/acrylate), poly(propylene/acrylate), polyisobutylene, polyisoprene, poly(isobutylene/isoprene), poly(ethylene/vinyl acetate) elastomers, and mixtures thereof.

Claim 5

The product of claim 1 wherein the amount of polyamide resin blended is 70-95% by weight and the amount of elastomer blended is 5-30% by weight.

Claim 6

The product of claim 1 or 2 wherein the polyamide reactive atoms in (b) are chlorine.

Claim 7

The product of claim 3 wherein the polyamide reactive atoms in (b) are chlorine.

Claim 8

The product of claim 1 wherein the polyamide resin is polyhexamethylene adipamide, and the elastomer is chlorine-functional poly(ethyl/butyl acrylate).

Claim 9

The product of claim 1 wherein the polyamide resin is polyhexamethylene adipamide, and the elastomer is chlorine-functional poly(methoxyethyl/butyl acrylate).

Claim 10

The process of preparing a high impact-resistant molding or extrusion resin comprising melt blending: (a) from about 50 to about 97% by weight of a polyamide resin derived from (1) the reaction of a dicarboxylic acid or derivative thereof containing from two to twenty carbon atoms with a diamine containing from two to fifteen carbon atoms, or (2) the polymerization of a lactam, and (b) from about 3 to about 50% by weight of an elastomer which (1) contains from about 5 to about 500 mole equivalents of polyamide reactive chlorine or bromine atoms per 10 6 grams of elastomer, said chlorine or bromine atoms being present in segments of the formula: ##STR4## wherein, X is (i) a monovalent radical selected from the group consisting of phenyl, vinyl, carboxy, cyano and nitro, or (ii) a divalent radical selected from the group consisting of oxy, carbonyl, thio, sulfone and corresponding divalent radicals of said (i) radicals; R is hydrogen or alkyl when X is an (ii) radical, and a divalent radical when X is an (i) radical; and Halo is the chlorine or bromine; and (2) has a glass transition temperature of less than 0° C.

Claim 11

The process of preparing a high impact-resistant molding or extrusion resin comprising melt blending: (a) from about 50 to about 97% by weight of a polyamide resin derived from (1) the reaction of a dicarboxylic acid or derivative thereof containing from two to twenty carbon atoms with a diamine containing from two to fifteen carbon atoms, or (2) the polymerization of a lactam, and (b) from about 3 to about 50% by weight of an elastomer which (1) contains from about 5 to about 500 mole equivalents of polyamide reactive chlorine or bromine atoms per 10 6 grams of elastomer, said chlorine or bromine atoms being present in segments of the formula: ##STR4## wherein, X is (i) a monovalent radical selected from the group consisting of phenyl, vinyl, carboxy, cyano and nitro, or (ii) a divalent radical selected from the group consisting of oxy, carbonyl, thio, sulfone and corresponding divalent radicals of said (i) radicals; R is hydrogen or alkyl when X is an (ii) radical, and a divalent radical when X is an (i) radical; and Halo is the chlorine or bromine; and (2) has a glass transition temperature of less than 0° C.

Claim 12

The process of claim 9 wherein the polyamide resin is selected from the group consisting of polyhexamethylene adipamide, polyhexamethylene azealamide, polyhexamethylene sebacamide, polycaprolactam, polyhexamethylene isophthalamide, polyhexamethylene tere-co-isophthalamide, and mixtures and copolymers of the above.

Claim 13

The process of preparing a high impact-resistant molding or extrusion resin comprising melt blending: (a) from about 50 to about 97% by weight of a polyamide resin derived from (1) the reaction of a dicarboxylic acid or derivative thereof containing from two to twenty carbon atoms with a diamine containing from two to fifteen carbon atoms, or (2) the polymerization of a lactam, and (b) from about 3 to about 50% by weight of an elastomer which (1) contains from about 5 to about 500 mole equivalents of polyamide reactive chlorine or bromine atoms per 10 6 grams of elastomer, said chlorine or bromine atoms being present in the elastomer in segments of the formula: ##STR5## wherein, X is (i) a monovalent radical selected from the group consisting of phenyl, vinyl, carboxy, cyano and nitro, or (ii) a divalent radical selected from the group consisting of oxy, carbonyl, thio, sulfone and corresponding divalent radicals of said (i) radicals; R is hydrogen or alkyl when X is an (ii) radical, and a divalent radical when X is an (i) radical; and Halo is the chlorine or bromine; and (2) has a glass transition temperature of less than 0° C.

Claim 14

The process of preparing a high impact-resistant molding or extrusion resin comprising melt blending: (a) from about 50 to about 97% by weight of a polyamide resin derived from (1) the reaction of a dicarboxylic acid or derivative thereof containing from two to twenty carbon atoms with a diamine containing from two to fifteen carbon atoms, or (2) the polymerization of a lactam, and (b) from about 3 to about 50% by weight of an elastomer which (1) contains from about 5 to about 500 mole equivalents of polyamide reactive chlorine or bromine atoms per 10 6 grams of elastomer, said chlorine or bromine atoms being present in the elastomer in segments of the formula: ##STR5## wherein, X is (i) a monovalent radical selected from the group consisting of phenyl, vinyl, carboxy, cyano and nitro, or (ii) a divalent radical selected from the group consisting of oxy, carbonyl, thio, sulfone and corresponding divalent radicals of said (i) radicals; R is hydrogen or alkyl when X is an (ii) radical, and a divalent radical when X is an (i) radical; and Halo is the chlorine or bromine; and (2) has a glass transition temperature of less than 0° C.

Claim 15

The process of claim 9 wherein the amount of polyamide resin blended is 70-95% by weight and the amount of elastomer blended is 5-30% by weight.

Claim 16

The process of claim 11 wherein the polyamide reactive atoms in (b) are chlorine.

Claim 17

A composition suitable for melt blending into a high impact-resistant molding or extrusion resin comprising: (a) from about 50 to about 97% by weight of a polyamide resin derived from (1) the reaction of a dicarboxylic acid or derivative thereof containing from two to twenty carbon atoms with a diamine containing from two to fifteen carbon atoms, or (2) the polymerization of a lactam, and (b) from about 3 to about 50% by weight of an elastomer which (1) contains from about 5 to about 500 mole equivalents of polyamide reactive chlorine or bromine atoms per 10 6 grams of elastomer, said chlorine or bromine atoms being present in the elastomer in segments of the formula: ##STR6## wherein, X is (i) a monovalent radical selected from the group consisting of phenyl, vinyl, carboxy, cyano and nitro, or (ii) a divalent radical selected from the group consisting of oxy, carbonyl, thio, sulfone and corresponding divalent radicals of said (i) radicals; R is hydrogen or alkyl when X is an (ii) radical, and a divalent radical when X is an (i) radical; and Halo is the chlorine or bromine; and (2) has a glass transition temperature of less than 0° C.

Claim 18

A composition suitable for melt blending into a high impact-resistant molding or extrusion resin comprising: (a) from about 50 to about 97% by weight of a polyamide resin derived from (1) the reaction of a dicarboxylic acid or derivative thereof containing from two to twenty carbon atoms with a diamine containing from two to fifteen carbon atoms, or (2) the polymerization of a lactam, and (b) from about 3 to about 50% by weight of an elastomer which (1) contains from about 5 to about 500 mole equivalents of polyamide reactive chlorine or bromine atoms per 10 6 grams of elastomer, said chlorine or bromine atoms being present in the elastomer in segments of the formula: ##STR6## wherein, X is (i) a monovalent radical selected from the group consisting of phenyl, vinyl, carboxy, cyano and nitro, or (ii) a divalent radical selected from the group consisting of oxy, carbonyl, thio, sulfone and corresponding divalent radicals of said (i) radicals; R is hydrogen or alkyl when X is an (ii) radical, and a divalent radical when X is an (i) radical; and Halo is the chlorine or bromine; and (2) has a glass transition temperature of less than 0° C.

Claim 19

The composition of claim 14 wherein the polyamide resin is selected from the group consisting of polyhexamethylene adipamide, polyhexamethylene azealamide, polyhexamethylene sebacamide, polycaprolactam, polyhexamethylene isophthalamide, polyhexamethylene tere-co-isophthalamide, and mixtures and copolymers of the above.

Claim 20

The composition of claim 14 or 15 wherein the elastomer is selected from the group consisting of halogen-functional poly(ethylene/propylene), polybutadiene, poly(styrene/butadiene), poly(ethylene/propylene/diene), poly(acrylonitrile/butadiene), polyacrylate, poly(ethylene/acrylate, poly(propylene/acrylate), polyisobutylene, polyisoprene, poly(isobutylene/isoprene), poly(ethylene/vinyl acetate) elastomers, and mixtures thereof.

Claim 21

The composition of claim 14 wherein the amount of polyamide resin is 70-95% by weight and the amount of elastomer is 5-30% by weight.

Claim 22

The composition of claim 16 wherein the polyamide reactive atoms in (b) are chlorine.

Claim 23

A composition in accordance with claim 1 wherein the polyamide reactive atoms in (b) are present in segments of the formula: ##STR7##

Claim 24

A composition in accordance with claim 3 wherein the polyamide reactive atoms in (b) are present in segments of the formula: ##STR8##

Claim 25

A composition in accordance with claim 6 wherein the polyamide reactive atoms in (b) are present in segments of the formula: ##STR9##