Polyurethane water-blown integral skin system produced with a po

Details Polyurethane water-blown integral skin system produced with a po Polyurethane water-blown integral skin system produced with a po

1992-12-07

1993-08-10

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521117, 521137, 521159, C08J 934

Patent

active

052349616

ABSTRACT:
The present invention relates to water blown integral skin polyurethane foams. These foams are prepared using a diphenylmethane diisocyanate:polytetrahydrofuran prepolymer. The polyurethane foams prepared with this prepolymer exhibit improved abrasion resistance and cold flex characteristics when compared to water blown integral skin foams prepared without the prepolymer. These foams are suitable for use in shoe sole applications.

REFERENCES:
patent: 5132329 (1992-07-01), Lynch et al.

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