Foaming thermoplastic elastomers

Details Foaming thermoplastic elastomers Foaming thermoplastic elastomers

C - Chemistry, Metallurgy

08

L

C08L 21/00 (2006.01) C08J 9/00 (2006.01) C08J 9/06 (2006.01) C08J 9/12 (2006.01) C08L 23/02 (2006.01) C08L 23/16 (2006.01) C08L 23/22 (2006.01) C08L 23/28 (2006.01)

Patent

CA 2052846

A process of making a foamed thermoplastic elastomer is disclosed, and the foam thus produced. The thermoplastic elastomers, which are blends of 90 to 10 parts of rubber and 10 to 90 parts of crystalline polyolefin plastic, are melted, admixed with water under pressure, and released to atmospheric pressure. The resultant foam has goad cell structure and low density, and a high percentage of closed (as opposed to interconnecting) cells.

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