Composition for tufted carpets containing azidosulfonyl silane crosslinker

Claim 2

In a hot melt adhesive material having a polymer selected from the group consisting of ethylene-vinyl acetate copolymers, amorphous polypropylenes and amorphous propylene copolymers, the improvement which comprises the addition of from about 40% to about 60% of a composition having a Brookfield viscosity of from about 25 to about 500 centipoise at about 150° C. comprising, by weight: (a) from about 1% to about 19% of a low density polyethylene having a melt index of from about 70 to about 425; (b) from about 0.1% to about 5% of a nitrogen-containing silane cross-linking compound having the general formula X.sub.3 --Si--R--Z where R is an organic radical, X is selected from halo, hydroxy, alkoxy, aryloxy, organo oxycarbonyl, azido, amine, and amide radicals; and Z is selected from ##STR2## where R' is selected from hydrogen, alkyl, cycloalkyl, aryl and --COOR" radicals; where R" is selected from alkyl, cycloalkyl, and aryl radicals; (c) from about 65% to about 85% of a resin having a Ring and Ball softening point of from about 50° C. to about 115° C. selected from the group consisting of hydrocarbon resins and esters of rosin; (d) from about 5% to about 7% of a hydrocarbon wax; and (e) up to about 30% of a naphthenic oil.

Claim 3

The hot melt adhesive material of claim 1 wherein the polymer is an ethylene-vinyl acetate copolymer.

Claim 4

The hot melt adhesive material of claim 1 wherein the polymer is an amorphous polypropylene.

Claim 5

The hot melt adhesive material of claim 1 wherein the polymer is an amorphous propylene copolymer.

Claim 6

The composition of claim 1 wherein component (b) is 4-(azidosulfonyl)-4'-(triethoxysilyl)propyl-di-phenyl ether.

Claim 7

The composition of claim 1 wherein component (c) is a hydrocarbon resin.

Claim 8

The composition of claim 1 wherein component (e) is present in an amount from about 20% to about 30%.

Claim 9

A carpet comprising: (a) a primary backing fabric stitched with loops of yarn on the frontside of the primary backing fabric to form a tufted structure; (b) a composition comprising (i) from about 1% to about 19% of a low density polyethylene having a melt index of from about 70 to about 425; (ii) from about 0.1% to about 5% of a nitrogen-containing silane cross-linking compound having the general formula X.sub.3 --Si--R--Z where R is an organic radical, X is selected from halo, hydroxy, alkoxy, aryloxy, organo oxycarbonyl, azido, amine, and amide radicals; and Z is selected from ##STR3## where R' is selected from hydrogen, alkyl, cycloalkyl, aryl and --COOR" radicals; where R" is selected from alkyl, cycloalkyl, and aryl radicals; (iii) from about 65% to about 85% of a resin having a Ring and Ball softening point of from about 50° C. to about 115° C. selected from the group consisting of hydrocarbon resins and esters of rosin; (iv) from about 5% to about 7% of a hydrocarbon wax; and (v) up to about 30% of a naphthenic oil coated on the backside of the primary backing fabric; (c) a hot melt adhesive material as recited in claim 1 applied over the composition; and (d) a secondary backing fabric securely applied to the hot melt adhesive material.

Claim 10

In a hot melt adhesive material having a polymer selected from the group consisting of ethylene-vinyl acetate copolymers, amorphous polypropylenes and amorphous propylene copolymers, the improvement which comprises the addition of from about 50% to about 60% of a composition having a Brookfield viscosity of from about 25 to about 500 centipoise at about 150° C. comprising, by weight: (a) from about 3% to about 12% of a low density polyethylene having a melt index of from about 100 to about 200; (b) from about 0.5% to about 3% of a nitrogen-containing silane cross-linking compound having the general formula X.sub.3 --Si--R--Z where R is an organic radical, X is selected from halo, hydroxy, alkoxy, aryloxy, organo oxycarbonyl, azido, amine, and amide radicals; and Z is selected from ##STR4## where R' is selected from hydrogen, alkyl, cycloalkyl, aryl and --COOR" radicals; where R" is selected from alkyl, cycloalkyl, and aryl radicals; (c) from about 65% to about 85% of a resin having a Ring and Ball softening point of from about 50° C. to about 115° C. selected from the group consisting of hydrocarbon resins and esters of rosin; (d) from about 5% to about 7% of a hydrocarbon wax; and (e) from about 10% to about 30% naphthenic oil.

Claim 11

In a hot melt adhesive material having a polymer selected from the group consisting of ethylene-vinyl acetate copolymers, amorphous polypropylenes and amorphous propylene copolymers, the improvement which comprises the addition of from about 50% to about 60% of a composition having a Brookfield viscosity of from about 25 to about 500 centipoise at about 150° C. comprising, by weight: (a) from about 3% to about 12% of a low density polyethylene having a melt index of from about 100 to about 200; (b) from about 0.5% to about 3% of a nitrogen-containing silane cross-linking compound having the general formula X.sub.3 --Si--R--Z where R is an organic radical, X is selected from halo, hydroxy, alkoxy, aryloxy, organo oxycarbonyl, azido, amine, and amide radicals; and Z is selected from ##STR4## where R' is selected from hydrogen, alkyl, cycloalkyl, aryl and --COOR" radicals; where R" is selected from alkyl, cycloalkyl, and aryl radicals; (c) from about 65% to about 85% of a resin having a Ring and Ball softening point of from about 50° C. to about 115° C. selected from the group consisting of hydrocarbon resins and esters of rosin; (d) from about 5% to about 7% of a hydrocarbon wax; and (e) from about 10% to about 30% naphthenic oil.

Claim 12

The hot melt adhesive material of claim 9 wherein the polymer is an ethylene-vinyl acetate copolymer.

Claim 13

The hot melt adhesive material of claim 9 wherein the polymer is an amorphous polypropylene.

Claim 14

The hot melt adhesive material of claim 9 wherein the polymer is an amorphous propylene copolymer.

Claim 15

The composition of claim 9 wherein component (b) is azidosulfonylhexyl(triethoxy)silane.

Claim 16

The composition of claim 9 wherein component (c) is a hydrocarbon resin.

Claim 17

A carpet comprising: (a) a primary backing fabric stitched with loops of yarn on the frontside of the primary backing fabric to form a tufted structure; (b) a composition comprising (i) from about 3% to about 12% of a low density polyethylene having a melt index of from about 100 to about 200; (ii) from about 0.5% to about 3% of a nitrogen-containing silane cross-linking compound having the general formula X.sub.3 --Si--R--Z where R is an organic radical, X is selected from halo, hydroxy, alkoxy, aryloxy, organo oxycarbonyl, azido, amide, and amide radicals; and Z is selected from ##STR5## where R' is selected from hydrogen, alkyl, cycloalkyl, aryl and --COOR" radicals; where R" is selected from alkyl, cycloalkyl, and aryl radicals; (iii) from about 65% to about 85% of a resin having a Ring and Ball softening point of from about 50° C. to about 115° C. selected from the group consisting of hydrocarbon resins and esters of rosin; (iv) from about 5% to about 7% of a hydrocarbon wax; and (v) from about 10% to about 30% naphthenic oil coated on the backside of the primary backing fabric; (c) a hot melt adhesive material as recited in claim 9 applied over the composition; and (d) a secondary backing fabric securely applied to the hot melt adhesive material.