Gel with wide distribution of Mw in mid-block

  • US 7,964,664 B2
  • Filed: 02/01/2006
  • Issued: 06/21/2011
  • Est. Priority Date: 02/02/2005
  • Status: Active Grant
First Claim
Patent Images

1. A gelatinous elastomer cushion for cushioning a body of a person, comprising:

  • styrene-ethylene-butylene-styrene triblock copolymer molecules, anda plasticizer,the triblock copolymer molecules and the plasticizer being mixed to form a gelatinous elastomer shaped to form the cushion for cushioning a body of a person,wherein at least 80% of the triblock copolymer molecules have molecular weights generally evenly distributed between 150,000 and 250,000, and wherein no more than 50% of the styrene-ethylene-butylene-styrene triblock copolymer molecules have any one molecular weight between 150,000 and 250,000.

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