Processing of polyurethane rubbers

Details Processing of polyurethane rubbers Processing of polyurethane rubbers

1991-04-29

1992-08-25

Welsh, Maurice J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524310, 524311, 524317, 524318, 524322, C08L 7504

Patent

active

051419785

ABSTRACT:
An addition of 1 to 10% by weight and preferably 2 to 5% by weight, based on polyurethane rubber, of a fatty acid ester of pentaerythritol or a mixture of an alkane with a fatty acid to the polyurethane rubber mix eliminates the tendency towards sticking and improves the flow properties.

REFERENCES:
patent: 2958706 (1960-11-01), Hurwitz et al.
patent: 3402135 (1968-09-01), Schwartz et al.
patent: 3423347 (1969-01-01), Zawadzki et al.
patent: 3933705 (1976-01-01), Olstowski

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