Blend of ethylene and α-olefin copolymers obtained using a metallocene catalyst for fabricating medical films and tubings
First Claim
1. A polymer blend for fabricating medical products comprising:
- a first ethylene and α
-olefin copolymer obtained using a single-site catalyst present in an amount by weight of from about 0% to about 99% by weight of the blend and having a melt flow index from about 0.1 g/10 min to about 5 g/10 min;
a second ethylene and α
-olefin copolymer obtained using a single-site catalyst and being present in an amount by weight of the blend from about 0% to about 99% and having a melt flow index from higher than about 5 g/10 min to about 20 g/10 min; and
a third ethylene and α
-olefin copolymer obtained using a single-site catalyst and being present in an amount by weight of the blend from about 0% to about 99% and having a melt flow index greater than about 20 g/10 min.
1 Assignment
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Accused Products
Abstract
The present invention provides a polymer blend for fabricating medical products. The blend has a first ethylene and α-olefin copolymer obtained using a single-site catalyst present in an amount by weight of from about 0% to about 99% by weight of the blend and having a melt flow index from about 0.1 g/10 min to about 5 g/10 min, a second ethylene and α-olefin copolymer obtained using a single-site catalyst and being present in an amount by weight of the blend from about 0% to about 99% and having a melt flow index from higher than about 5 g/10 min to about 20 g/10 min; and a third ethylene and α-olefin copolymer obtained using a single-site catalyst and being present in an amount by weight of the blend from about 0% to about 99% and having a melt flow index greater than about 20 g/10 min.
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Citations
107 Claims
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1. A polymer blend for fabricating medical products comprising:
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a first ethylene and α
-olefin copolymer obtained using a single-site catalyst present in an amount by weight of from about 0% to about 99% by weight of the blend and having a melt flow index from about 0.1 g/10 min to about 5 g/10 min;
a second ethylene and α
-olefin copolymer obtained using a single-site catalyst and being present in an amount by weight of the blend from about 0% to about 99% and having a melt flow index from higher than about 5 g/10 min to about 20 g/10 min; and
a third ethylene and α
-olefin copolymer obtained using a single-site catalyst and being present in an amount by weight of the blend from about 0% to about 99% and having a melt flow index greater than about 20 g/10 min.- View Dependent Claims (2, 3, 4, 5, 6, 7, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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- 8. The blend of 7 is capable of being fabricated into a monolayer tubing at a throughput rate of greater than about 100 ft/min.
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9. The blend of 7 is capable of being fabricated into a monolayer tubing at a throughput rate of greater than about 200 fl/min.
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10. The blend of 7 is capable of being fabricated into a monolayer tubing at a throughput rate of greater than about 300 ft/min.
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11. The blend of 7 is capable of being fabricated into a monolayer tubing at a throughput rate of greater than about 350 ft/min.
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26. A polymer blend for fabricating medical products comprising:
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a first ethylene and α
-olefin copolymer having a molecular weight distribution of less than about 3 and being present in an amount by weight of from about 0% to about 99% by weight of the blend and having a melt flow index from about 0.1 g/10 min to about 5 g/10 min;
a second ethylene and α
-olefin copolymer having a molecular weight distribution of less than about 3 and being present in an amount by weight of the blend of from about 0% to about 99% and having a melt flow index from higher than about 5 g/10 min to about 20 g/10 min; and
a third ethylene and α
-olefin copolymer having a molecular weight distribution of less than about 3 and being present in an amount by weight of the blend from about 0% to about 99% and having a melt flow index greater than about 20 g/10 min.- View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53)
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54. A medical tubing comprising:
a sidewall of a polymer blend comprising a first ethylene and α
-olefin copolymer having a molecular weight distribution of less than about 3 and being present in an amount by weight of from about 0% to about 99% by weight of the blend and having a melt flow index from about 0.1 g/10 min to about 5 g/10 min, a second ethylene and α
-olefin copolymer having a molecular weight distribution of less than about 3 and being present in an amount by weight of the blend of from about 0% to about 99% and having a melt flow index from higher than about 5 g/10 min to about 20 g/10 min, and a third ethylene and α
-olefin copolymer having a molecular weight distribution of less than about 3 and being present in an amount by weight of the blend from about 0% to about 99% and having a melt flow index greater than about 20 g/10 min.- View Dependent Claims (55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83)
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84. A medical film comprising:
a polymer blend comprising a first ethylene and α
-olefin copolymer having a molecular weight distribution of less than about 3 and being present in an amount by weight of from about 0% to about 99% by weight of the blend and having a melt flow index from about 0.1 g/10 min to about 5 g/10 min, a second ethylene and α
-olefin copolymer having a molecular weight distribution of less than about 3 and being present in an amount by weight of the blend of from about 0% to about 99% and having a melt flow index from higher than about 5 g/10 min to about 20 g/10 min, and a third ethylene and α
-olefin copolymer having a molecular weight distribution of less than about 3 and being present in an amount by weight of the blend from about 0% to about 99% and having a melt flow index greater than about 20 g/10 min.- View Dependent Claims (85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107)
Specification