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High 1,2 content thermoplastic elastomer/oil/polyolefin composition

  • US 5,777,031 A
  • Filed: 07/25/1997
  • Issued: 07/07/1998
  • Est. Priority Date: 07/03/1996
  • Status: Expired due to Term
First Claim
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1. A thermoplastic elastomer composition comprising:

  • (a) a base composition comprising;

    (i) 15 to 55 weight percent of a block copolymer having at least two resinous polymerized monovinyl aromatic endblocks and a nidblock of hydrogenated polymerized butadiene wherein at least 51 mole percent of said butadiene has polymerized at the 1,2-position,(ii) 5 to 80 weight percent of a paraffinic oil, and(iii) 5 to 20 weight percent of a crystalline polyolefin; and

    (b) a stabilizer, such stabilizer being present in an amount within the range of 0.01 to 4 weight percent based on the weight of said base composition.

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