Elastomer and process for production thereof

Details Elastomer and process for production thereof Elastomer and process for production thereof

1992-02-14

1994-04-26

Seidleck, James J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525454, C08F28304

Patent

active

053067886

ABSTRACT:
An elastomer is molded by a reaction injection molding of polyurethane resins, polyurea resins, polyurethane/urea resins and polyurea/amide resins in the presence of an internal release agent which is a polyester condensate of a saturated or unsaturated fatty acid having a hydroxy group produced by transesterification or a molecular endaminated or iminated polyester condensate. The elastomer has a good releasing property and a good coating property.

REFERENCES:
patent: 4954537 (1990-09-01), Sanns, Jr.
patent: 4965293 (1990-10-01), Sanns, Jr.
patent: 5125974 (1992-06-01), Mafoti
patent: 5137966 (1992-08-01), Nodelman

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