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Extrudable blend

  • US 4,705,823 A
  • Filed: 11/07/1986
  • Issued: 11/10/1987
  • Est. Priority Date: 10/31/1984
  • Status: Expired due to Term
First Claim
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1. An extrudable composition of matter comprising a polymer blend consisting essentially of a styrene-ethylenebutylene-styrene copolymer with a mixture of low melt index and high melt index polypropylenes wherein the chainlength of the styrene portion of the copolymer exceeds the chainlength of the ethylenebutylene portion and wherein the copolymer comprises >

  • 10 to <

    20 weight parts of the blend, the low melt index polypropylene comprises >

    10 to <

    20 weight parts of the blend and the high melt index polypropylene comprises from >

    50 to <

    80 weight parts of the blend.

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