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US 4,613,533 AGranted
Thermoplastic elastomeric compositions based on compatible blends of an ethylene copolymer and vinyl or vinylidene halide polymer
AssigneeE. I. Du Pont de Nemours and Company
InventorsGary L. Loomis, Robert J. Statz
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Abstract
A thermoplastic, melt-processible, elastomeric composition based on partially crosslinked compatible blends of an ethylene copolymer and a vinyl or vinylidene halide polymer.
Claims21
A partially crosslinked, thermoplastic, melt-processible, elastomeric blend of
- (a) a copilymer of ethylene, at least one ethylenically unsaturated organic monomer X selected from the group consisting of esters of unsaturated C.sub.3 -C.sub.20 mono- or dicarboxylic acids, vinyl esters of saturated C.sub.2 -C.sub.18 carboxylic acids, vinyl alkyl ethers wherein the alkyl group has 1-18 carbon atoms, vinyl or vinylidene halides, acrylonitrile, methacrylonitrile, norbornene, alpha olefins of 3-12 carbon atoms, and vinyl aromatic compounds, and an additional monomer Y selected from the group consisting of ethylenically unsaturated C.sub.3 -C.sub.20 carboxylic acids, carbon monoxide, and sulfur dioxide;
- and
- (b) between 5 and 75 weight percent, based on the composition, of a vinyl or vinylidene halide polymer
- wherein the comonomer content in (a) is such that the ehtylene copolymer is compatible with the vinyl or vinylidene halide polymer.
1 more element
A self-supporting film comprised of a partially crosslinked, thermoplastic, melt-processible, elastomeric blend of
- (a) a copolymer of ethylene, at least one ethylenically unsaturated organic monomer X selected from the group consisting of esters of unsaturated C.sub.3 -C.sub.20 mono- or dicarboxylic acids, vinyl esters of saturated C.sub.2 -C.sub.18 carboxylic acids, vinyl alkyl ethers wherein the alkyl group has 1-18 carbon atoms, vinyl or vinylidene halides, acrylonitrile, methacrylonitrile, norbornene, alpha olefins of 3-12 carbon atoms, and vinyl aromatic compounds, and an additional monomer Y selected from the group consisting of ethylenically unsaturated C.sub.3 -C.sub.20 carboxylic acids, carbon monoxide, and sulfur dixoide and
- (b) between 5 and 75 weight percent, based on the composition, of a vinyl or vinylidene halide polymer
- wherein the comonomer content in (a) is such that the ethylene copolymer is compatible with the vinyl or vinylidene halide polymer.
A self-supported sheet comprised of a partially crosslinked, thermoplastic, melt-processible, elastomeric blend of
- (a) a copolymer of ethylene, at least one ethylenically unsaturated organic monomer X selected from the group consisting of esters of unsaturated C.sub.3 -C.sub.20 mono- or dicarboxylic acids, vinyl esters of saturated C.sub.2 -C.sub.18 carboxylic acids, vinyl alkyl ethers wherein the alkyl group has 1-18 carbon atoms, vinyl or vinylidene halides, acrylonitrile, methacrylonitrile, norbornene, alpha olefins of 3-12 carbon atoms, and vinyl aromatic compounds, and an additional monomer Y selected from the group consisting of ethylenically unsaturated C.sub.3 -C.sub.20 carboxylic acids, ethylenically unsaturated C.sub.3 -C.sub.20 carboxylic acids, carbon monoxide and sulfur dioxide;
- and
- (b) between 5 and 75 weight percent, based on the composition, of a vinyl or vinylidene halide polymer
- wherein the comonomer content in (a) is such that the ethylene copolymer is compatible with the vinyl or vinylidene halide polymer.
1 more element
A molded article comprised of a partially crosslinked, thermoplastic, melt-processible, elastomeric blend of
- (a) a copolymer of ethylene, at least one copolymerizable ethylenically unsaturated organic monomer X selected from the group consisting of esters of unsaturated C.sub.3 -C.sub.20 mono- or dicarboxylic acids, vinyl esters of saturated C.sub.2 -C.sub.18 carboxylic acids, vinyl alkyl ethers wherein the alkyl group has 1-18 carbon atoms, vinyl or vinylidene halides, acrylonitrile, methacrylonitrile, norbornene, alpha olefins of 3-12 carbon atoms, and vinyl aromatic compounds, and an additional monomer Y selected from the group consisting of ethylenically unsaturated C.sub.3 -C.sub.20 carboxylic acids, carbon monoxide, and sulfur dioxide;
- and
- (b) between 5 and 75 weight percent, based on the composition, of a vinyl or vinylidene halide polymer
- wherein the comonomer content in (a) is such that the ethylene copolymer is compatible with the vinyl or vinylidene halide polymer.
1 more element
An extruded profile comprised of a partially crosslinked, thermoplastic, melt-processible, elastomeric blend of
- (a) a copolymer of ethylene, at least one ethylenically unsaturated organic monomer X selected from the group consisting of esters of unsaturated C.sub.3 -C.sub.20 mono- or dicarboxylic acids, vinyl esters of saturated C.sub.2 -C.sub.18 carboxylic acids, vinyl alkyl ethers wherein the alkyl group has 1-18 carbon atoms, vinyl or vinylidene halides, acrylonitrile, methacrylonitrile, norbornene, alpha olefins of 3-12 carbon atoms, and vinyl aromatic compounds, and an additional monomer Y selected from the group consisting of ethylenically unsaturated C.sub.3 -C.sub.20 carboxylic acids, carbon monoxide, and sulfur dixoide;
- and
- (b) between 5 and 75 weight percent, based on the composition, of a vinyl or vinylidene halide polymer
- wherein the comonomer content in (a) is such that the ethylene copolymer is compatible with the vinyl or vinylidene halide polymer.
1 more element
A tubing comprised of a partially crosslinked, thermoplastic, melt-processible, elastomeric blend of
- (a) a copolymer of ethylene, at least one ethylenically unsaturated organic monomer X selected from the group consisting of esters of unsaturated C.sub.3 -C.sub.20 mono- or dicarboxylic acids, vinyl esters of saturated C.sub.2 -C.sub.18 carboxylic acids, vinyl alkyl ethers wherein the alkyl group has 1-18 carbon atoms, vinyl or vinylidene halides, acrylonitrile, methacrylonitrile, norbornene, alpha olefins of 3-12 carbon atoms, and vinyl aromatic compounds, and an additional monomer Y selected from the group consisting of ethylencially unsaturated C.sub.3 -C.sub.20 carboxylic acids, carbon monoxide and sulfur dioxide;
- and
- (b) between 5 and 75 weight percent, based on the composition, of a vinyl or vinylidene halide polymer
- wherein the comonomer content in (a) is such that the ethylene copolymer is compatible with the vinyl or vinylidene halide polymer.
1 more element
A polyester, polyamide, polyimide or metal fibre or fabric extrusion coated by a composition comprising a partially crosslinked, thermoplastic, melt-processible, elastomeric blend of
- (a) a copolymer of ethylene, at least one ethylenically unsaturated organic monomer X selected from the group consisting of esters of unsaturated C.sub.3 -C.sub.20 mono- or dicarboxylic acids, vinyl esters of saturated C.sub.2 -C.sub.18 carboxylic acids, vinyl alkyl ethers wherein the alkyl group has 1-18 carbon atoms, vinyl or vinylidene halides, acrylonitrile, methactrylonitrile, norbornene, alpha olefins of 3-12 carbon atoms, and vinyl aromatic compounds,
- wherein the comonomer content in (a) is such that the ethylene copolymer is compatible with the vinyl or vinylidene halide polymer.
Dependencies are inferred from the claim text.