Medical device employing liquid crystal block copolymers and method of making the same
First Claim
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1. A medical device, at least a portion of said device formed from a polymer composition comprising at least one liquid crystal block copolymer having at least one A block and at least one B block and whereinthe A block comprises mesogenic repeat units and has a polymer backbone comprising no aliphatic unsaturation;
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Abstract
A medical device, at least a portion of which is formed from a polymer composition including at least one liquid crystal block copolymer having at least one A block and at least one B block wherein the A block is formed of mesogenic repeat units and the B block is a soft block.
44 Citations
38 Claims
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1. A medical device, at least a portion of said device formed from a polymer composition comprising at least one liquid crystal block copolymer having at least one A block and at least one B block and wherein
the A block comprises mesogenic repeat units and has a polymer backbone comprising no aliphatic unsaturation; - and
the B block is a soft block. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A medical device, at least a portion of said device formed from a polymer composition, the polymer composition comprising:
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at least one liquid crystal block copolymer having at least one A block and at least one B block wherein the A block is formed of mesogenic repeat units and the B block is a soft block; and at least one polymer which is compatible with said B block of said liquid crystal block copolymer. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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- 29. A medical device formed of a polymer composition comprising a blend of a thermoplastic base polymer comprising at least one segment of polyolefin, polyamide, polyester, polyether, or silicone wherein the polymer composition further comprises a liquid crystal block copolymer, the liquid crystal block copolymer comprises at least one A block, the A block comprises mesogenic repeat units, and at least one B block, the structure of the B block being selected for compatibility with the at least one segment of polyolefin, polyamide, polyester, polyether or silicone of said thermoplastic base polymer.
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34. A liquid crystal block copolymer which is reaction product of:
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an A block which is a liquid crystal polymeric unit, the liquid crystal polymer unit having a backbone with no aliphatic unsaturation; and a B block which is formed from repeating units of amide, ether, olefin or siloxane. - View Dependent Claims (35, 36, 37)
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38. A medical device, at least a portion of said device formed from a polymer composition comprising, the polymer composition comprising:
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at least one liquid crystal block copolymer having at least one A block and at least one B block wherein the A block comprises mesogenic repeat units and the B block is formed from an amide repeat unit; and at least one polyether-polyamide block copolymer.
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Specification