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US 6,608,135 B1Granted
Polymer compositions
AssigneeTeknor Apex Company
InventorsRaman Patel, Dan Mallin, Keith Saunders, Patrick Tiberio, John Andries
Life of this patent
Estimating the term…
Abstract
Polymer compositions including an olefinic polymer, a polar polymer and a compatibilizer are disclosed. The compatibilizer can be a block or graft copolymer including polymer portions that are compatible with the olefinic polymer and polymer portions that are compatible with the polar polymer.
Claims58
A composition, comprising:
- a blend including:
- an olefinic polymer,
- a polar polymer;
- and
- a compatibilizer, wherein the compatibilizer is a graft or block copolymer having first and second polymer portions, the first polymer portion being compatible with the olefinic polymer and the second polymer portion being compatible with the polar polymer;
- and
- a flame retardant,
- wherein the ratio of the weight % of the polar polymer to the weight % of the olefinic polymer is 1:1 or greater, wherein both the olefinic polymer and the polar polymer are substantially free of halogen, wherein the composition contains a sufficient amount of the compatibilizer such that the tensile strength of the composition is improved by at least about 18% relative to a composition without the compatibilizer, wherein the composition contains about 50 parts to about 200 parts by weight of flame retardant per 100 parts total amount of polymer, and wherein the composition has a limiting oxygen index of at least about 30.
5 more elements
A method of forming a composition, comprising:
- (a) forming a compatibilizer that is a graft or block copolymer comprising first and second polymer portions in a mixture comprising an olefinic polymer and a polar polymer, thereby forming a blend, wherein the first polymer portion is compatible with the olefinic polymer and the second polymer portion is compatible with the polar polymer, and
- (b) combining the blend with a flame retardant,
- wherein the ratio of the weight % of the polar polymer to the weight % of the olefinic polymer is 1:1 or greater, wherein both the olefinic polymer and the polar polymer are substantially free of halogen, wherein the composition contains a sufficient amount of the compatibilizer such that the tensile strength of the composition is improved by at least about 18% relative to a composition without the compatibilizer, wherein the composition contains about 50 parts to about 200 parts by weight of flame retardant per 100 parts total amount of polymer, and wherein the composition has a limiting oxygen index of at least about 30.
A method of forming a composition, comprising:
- (a) forming a compatibilizer that is a graft or block copolymer comprising first and second polymer portions;
- (b) mixing the compatibilizer in a mixture comprising an olefinic polymer and a polar polymer, thereby forming a blend, wherein the first polymer portion is compatible with the olefinic polymer and the second polymer portion is compatible with the polar polymer;
- and (c) combining the blend with a flame retardant, wherein the ratio of the weight % of the polar polymer to the weight % of the olefinic polymer is 1:1 or greater, wherein both the olefinic polymer and the polar polymer are substantially free of halogen, wherein the composition contains a sufficient amount of the compatibilizer such that the tensile strength of the composition is improved by at least about 18% relative to a composition without the copolymer, wherein the composition contains about 50 parts to about 200 parts by weight of flame retardant per 100 parts total amount of polymer, and wherein the composition has a limiting oxygen index of at least about 30.
A composition, comprising:
- (a) a blend of polymers consisting essentially of (i) an olefinic polymer substantially free of halogen;
- (ii) a polar polymer substantially free of halogen;
- and (iii) a compatibilizer that is a graft or block copolymer comprising first and second polymer portions, the first polymer portion being compatible with the olefinic polymer and the second polymer portion being compatible with the polar polymer,
- wherein the weight ratio of the polar polymer (ii) to the olefinic polymer (i) is 1:1 or greater, and wherein the weight ratio of the compatibilizer (iii) to the combined weight of the olefinic polyner (i) and the polar polymer (ii) is about 0.11:1 or greater;
- (b) non-polymer additives;
- and
- (c) about 50 parts to about 200 parts by weight of a flame retardant per 100 parts total amount of polymer,
- wherein the composition has a limiting oxygen index of at least about 30.
5 more elements
A composition, comprising:
- a blend including:
- an olefinic polymer;
- a polar polymer;
- and
- a compatibilizer, wherein the compatibilizer is a graft or block copolymer having first and second polymer portions, the first polymer portion being compatible with the olefinic polymer and the second polymer portion being compatible with the polar polymer, and
- a flame retardant,
- wherein the weight ratio of the polar polymer to the olefinic polymer is between 1:1 and about 5.3:1, wherein both the olefinic polymer and the polar polymer are substantially free of halogen, wherein the composition has an elongation of at least about 110%, wherein the composition contains a sufficient amount of the compatibilizer such that the tensile strength of the composition is improved by at least about 18% relative to a composition without the compatibilizer, wherein the composition contains about 50 parts to about 200 parts by weight of the flame retardant per 100 parts total polymer, and wherein the composition has a limiting oxygen index of at least about 30.
4 more elements
A composition, comprising:
- a blend including:
- an olefinic polymer;
- a polar polymer;
- and
- a compatibilizer, wherein the compatibilizer is a graft or block copolymer having first and second polymer portions, the first polymer portion being compatible with the olefinic polymer and the second polymer portion being compatible with the polar polymer;
- and
- a flame retardant,
- wherein the weight ratio of the polar polymer to the olefinic polymer is between about 1.6:1 and about 2.5:1, wherein both the olefinic polymer and the polar polymer are substantially free of halogen, wherein the composition has an elongation of at least about 110%, wherein the composition contains a sufficient amount of the compatibilizer such that the tensile strength of the composition is improved by at least about 18% relative to a composition without the compatibilizer, wherein the composition contains about 50 parts to about 200 parts by weight of flame retardant per 100 parts total amount of polymer, and wherein the composition has a limiting oxygen index of at least about 30.
5 more elements
A composition, comprising:
- a flame retardant;
- and
- a blend including:
- an olefinic polymer,
- a polar polymer;
- and
- a compatibilizer, wherein the compatibilizer is a graft or block copolymer having first and second polymer portions, the first polymer portion being compatible with the olefinic polymer and the second polymer portion being compatible with the polar polymer, wherein the composition has a limiting oxygen index of at least about 30, and wherein the composition contains about 50 parts to about 200 parts by weight of flame retardant per 100 parts total amount of polymer.
4 more elements
A method of forming a composition, comprising:
- (a) forming a compatibilizer that is a graft or block copolymer comprising first and second polymer portions in a mixture comprising an olefinic polymer and a polar polymer to form a blend, and
- (b) combining the blend with a flame retardant,
- wherein the first polymer portion is compatible with the olefinic polymer and the second polymer portion is compatible with the polar polymer, wherein the composition contains about 50 parts to about 200 parts by weight of flame retardant per 100 parts total amount of polymer, and wherein the composition has a limiting oxygen index of at least about 30.
A method of forming a composition, comprising:
- (a) forming a compatibilizer that is a graft or block copolymer comprising first and second polymer portions;
- (b) mixing the copolymer in a mixture comprising an olefinic polymer and a polar polymer to form a blend, wherein the first polymer portion is compatible with the olefinic polymer and the second polymer portion is compatible with the polar polymer, and
- (c) combining the blend with a flame retardant,
- wherein the composition contains about 50 parts to about 200 parts by weight of flame retardant per 100 parts total amount of polymer, and wherein the composition has a limiting oxygen index of at least about 30.
1 more element
A composition, comprising:
- a blend including:
- an olefinic polymer;
- a polar polymer, and
- a compatibilizer, wherein the compatibilizer is a graft or block copolymer having first and second polymer portions, the first polymer portion being compatible with the olefinic polymer and the second polymer portion being compatible with the polar polymer;
- and
- a flame retardant,
- wherein the ratio of the weight % of the polar polymer to the weight % of the olefinic polymer is 1:1 or greater, wherein both the olefinic polymer and the polar polymer are substantially free of halogen, wherein the composition contains a sufficient amount of the compatibilizer such that the tensile strength of the composition is improved by at least about 18% relative to a composition without the compatibilizer, wherein the composition contains 209 parts by weight of flame retardant per 100 parts total amount of polymer, and wherein the composition has a limiting oxygen index of at least about 30.
4 more elements
A method of forming a composition, comprising:
- (a) forming a compatibilizer that is a graft or block copolymer comprising first and second polymer portions in a mixture comprising an olefinic polymer and a polar polymer, thereby forming a blend, wherein the first polymer portion is compatible with the olefinic polymer and the second polymer portion is compatible with the polar polymer, and
- (b) combining the blend with a flame retardant,
- wherein the ratio of the weight % of the polar polymer to the weight % of the olefinic polymer is 1:1 or greater, wherein both the olefinic polymer and the polar polymer are substantially free of halogen, wherein the composition contains a sufficient amount of the compatibilizer such that the tensile strength of the composition is improved by at least about 18% relative to a composition without the compatibilizer, wherein the composition contains 209 parts by weight of flame retardant per 100 parts total amount of polymer, and wherein the composition has a limiting oxygen index of at least about 30.
A method of forming a composition, comprising:
- (a) forming a compatibilizer that is a graft or block copolymer comprising first and second polymer portions;
- (b) mixing the compatibilizer in a mixture comprising an olefinic polymer and a polar polymer, thereby forming a blend, wherein the first polymer portion is compatible with the olefinic polymer and the second polymer portion is compatible with the polar polymer;
- and (c) combining the blend with a flame retardant, wherein the ratio of the weight % of the polar polymer to the weight % of the olefinic polymer is 1:1 or greater, wherein both the olefinic polymer and the polar polymer are substantially free of halogen, wherein the composition contains a sufficient amount of the compatibilizer such that the tensile strength of the composition is improved by at least about 18% relative to a composition without the copolymer, wherein the composition contains 209 parts by weight of flame retardant per 100 parts total amount of polymer, and wherein the composition has a limiting oxygen index of at least about 30.
A composition, comprising:
- (a) a blend of polymers consisting essentially of (i) an olefinic polymer substantially free of halogen;
- (ii) a polar polymer substantially free of halogen;
- and (iii) a compatibilizer that is a graft or block copolymer comprising first and second polymer portions, the first polymer portion being compatible with the olefinic polymer and the second polymer portion being compatible with the polar polymer,
- wherein the weight ratio of the polar polymer (ii) to the olefinic polymer (i) is 1:1 or greater, and wherein the weight ratio of the compatibilizer (iii) to the combined weight of the olefinic polymer (i) and the polar polymer (ii) is about 0.11:1 or greater;
- (b) non-polyner additives;
- and
- (c) 209 parts by weight of a flame retardant per 100 parts total amount of polymer, wherein the composition has a limiting oxygen index of at least about 30.
4 more elements
A composition, comprising:
- a blend including:
- an olefinic polymer;
- a polar polymer;
- and
- a compatibilizer, wherein the compatibilizer is a graft or block copolymer having first and second polymer portions, the first polymer portion being compatible with the olefinic polymer and the second polymer portion being compatible with the polar polymer;
- and
- a flame retardant,
- wherein the weight ratio of the polar polymer to the olefinic polymer is between 1:1 and about 5.3:1, wherein both the olefinic polymer and the polar polymer are substantially free of halogen, wherein the composition has an elongation of at least about 110%, wherein the composition contains a sufficient amount of the compatibilizer such that the tensile strength of the composition is improved by at least about 18% relative to a composition without the compatibilizer, wherein the composition contains 209 parts by weight of the flame retardant per 100 parts total polymer, and wherein the composition has a limiting oxygen index of at least about 30.
5 more elements
A composition, comprising:
- a blend including:
- an olefinic polymer;
- a polar polymer;
- and
- a compatibilizer, wherein the compatibilizer is a graft or block copolymer having first and second polymer portions, the first polymer portion being compatible with the olefinic polymer and the second polymer portion being compatible with the polar polymer;
- and
- a flame retardant,
- wherein the weight ratio of the polar polymer to the olefinic polymer is between about 1.6:1 and about 2.5:1, wherein both the olefinic polymer and the polar polymer are substantially free of halogen, wherein the composition has an elongation of at least about 110%, wherein the composition contains a sufficient amount of the compatibilizer such that the tensile strength of the composition is improved by at least about 18% relative to a composition without the compatibilizer, wherein the composition contains 209 parts by weight of flame retardant per 100 parts total amount of polyner, and wherein the composition has a limiting oxygen index of at least about 30.
5 more elements
A composition, comprising:
- a flame retardant;
- and
- a blend including:
- an olefinic polymer;
- a polar polymer;
- and
- a compatibilizer, wherein the compatibilizer is a graft or block copolymer having first and second polymer portions, the first polymer portion being compatible with the olefinic polymer and the second polymer portion being compatible with the polar polymer, wherein the composition has a limiting oxygen index of at least about 30, and wherein the composition contains 209 parts by weight of flame retardant per 100 parts total amount of polymer.
4 more elements
A method of forming a composition, comprising:
- (a) forming a compatibilizer that is a graft or block copolymer comprising first and second polymer portions in a mixture comprising an olefinic polymer and a polar polymer to form a blend, and
- (b) combining the blend with a flame retardant,
- wherein the first polymer portion is compatible with the olefinic polymer and the second polymer portion is compatible with the polar polymer, wherein the composition contains 209 parts by weight of flame retardant per 100 parts total amount of polymer, and wherein the composition has a limiting oxygen index of at least about 30.
A method of forming a composition, comprising:
- (a) forming a compatibilizer that is a graft or block copolymer comprising first and second polymer portions;
- (b) mixing the copolymer in a mixture comprising an olefinic polymer and a polar polymer to form a blend, wherein the first polymer portion is compatible with the olefinic polymer and the second polymer portion is compatible with the polar polymer, and
- (c) combining the blend with a flame retardant,
- wherein the composition contains 209 parts by weight of flame retardant per 100 parts total amount of polymer, and wherein the composition has a limiting oxygen index of at least about 30.
1 more element
Dependencies are inferred from the claim text.