DAMPING THERMOPLASTIC ELASTOMERS
First Claim
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1. A thermoplastic elastomer compound comprising:
- (a) styrenic block copolymer having a Copolymer Tan Delta Peak Temperature; and
(b) tackifier having a softening point of at least about 80°
C. according to ASTM 6493; and
wherein the compound has a Compound Tan Delta Peak Temperature, and the Compound Tan Delta Peak Temperature is greater than the Copolymer Tan Delta Peak Temperature.
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Abstract
A thermoplastic elastomer compound includes styrenic block copolymer and high softening point tackifier. The styrenic block copolymer has a Copolymer Tan Delta Peak Temperature and the thermoplastic elastomer compound has a Compound Tan Delta Peak Temperature. The Compound Tan Delta Peak Temperature is greater than the Copolymer Tan Delta Peak Temperature. The thermoplastic elastomer compound exhibits useful damping properties at or above room temperature while also advantageously possessing improved stability for processing and/or applications at high temperatures and upon exposure to weathering.
16 Citations
20 Claims
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1. A thermoplastic elastomer compound comprising:
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(a) styrenic block copolymer having a Copolymer Tan Delta Peak Temperature; and (b) tackifier having a softening point of at least about 80°
C. according to ASTM 6493; andwherein the compound has a Compound Tan Delta Peak Temperature, and the Compound Tan Delta Peak Temperature is greater than the Copolymer Tan Delta Peak Temperature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification