Microcellular polyurethane foams

Details Microcellular polyurethane foams Microcellular polyurethane foams

1978-12-22

1980-09-02

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

C08G 1814

Patent

active

042207320

ABSTRACT:
A method of improving the load-bearing properties of microcellular flexible, urethane foams wherein the processing characteristics for the production thereof are also improved, which comprises utilizing a combination of 1,4-butanediol and phenyldiethanolamine as a chain extender.

REFERENCES:
patent: 3580869 (1971-05-01), Rhodes et al.
patent: 3929730 (1975-12-01), Graefe et al.
patent: 3993576 (1976-11-01), Barron

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