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US 4,627,993 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
InventorGary L. Loomis
Life of this patent
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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.
Claims18
A partially crosslinked, thermoplastic, melt-processible, elastomeric blend of
- (a) a copolymer of ethylene and one or more ethylenically unsaturated organic monomers selected from the class 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
- (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;
- there being present in the blend no polymerizable polyunsaturated compound or polymer of such compound.
2 more elements
A self-supported film comprised of a partially crosslinked, thermoplastic, melt-processible, elastomeric blend of
- (a) a copolymer of ethylene and one or more ethylenically unsaturated organic monomers and selected from the class consisting of esters of C.sub.3 -C.sub.20 unsaturated 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
- (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;
- there being present in the blend no polymerizable polyunsaturated compound or polymer of such compound.
1 more element
A self-supported sheet comprised of a partially crosslinked, thermoplastic, melt-processible, elastomeric blend of
- (a) a copolymer of ethylene and one or more ethylenically unsaturated organic monomers selected from the class consisting of esters of C.sub.3 -C.sub.20 unsaturated 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
- (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;
- there being present in the blend no polymerizable polyunsaturated compound or polymer of such compound.
2 more elements
A molded article comprised of a partially crosslinked, thermoplastic, melt-processible, elastomeric blend of
- (a) a copolymer of ethylene and one or more ethylenically unsaturated organic monomers selected from the class consisting of esters of C.sub.3 -C.sub.20 unsaturated 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
- (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;
- there being present in the blend no polymerizable polyunsaturated compound or polymer of such compound.
2 more elements
An extruded profile comprised of a partially crosslinked, thermoplastic, melt-processible, elastomeric blend of
- (a) a copolymer of ethylene and one or more ethylenically unsaturated organic monomers selected from the class consisting of esters of C.sub.3 -C.sub.20 unsaturated 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
- (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;
- there being present in the blend no polymerizable polyunsaturated compound or polymer of such compound.
2 more elements
A tubing comprised of a partially crosslinked, thermoplastic, melt-processible, elastomeric blend of
- (a) a copolymer of ethylene and one or more ethylenically unsaturated organic monomers selected from the class consisting of esters of C.sub.3 -C.sub.20 unsaturated 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
- (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;
- there being present in the blend no polymerizable polyunsaturated compound or polymer of such compound.
2 more elements
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 and one or more ethylenically unsaturated organic monomers selected from the class consisting of esters of C.sub.3 -C.sub.20 unsaturated 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
- (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;
- there being present in the blend no polymerizable polyunsaturated compound or polymer of such compound.
2 more elements
Dependencies are inferred from the claim text.