Process for the production of a cellular polyurethane

Details Process for the production of a cellular polyurethane Process for the production of a cellular polyurethane

1987-03-02

1988-04-05

Welsh, M. J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 502167, 521129, 521131, C08G 1814

Patent

active

047359706

ABSTRACT:
The present invention is directed to a process for preparing a cellular polyurethane by reacting with an NCO-reactive component in the presence of a homogeneous mixture of an optionally water-containing adduct of carbon dioxide an amine containing at least one secondary amino group, low primary amino groups and at least one primary or secondary hydroxyl group (provided there are not more primary hydroxyl groups than amino groups), an amine catalyst and optionally monofluorotrichlormethane. The present invention is directed to the homogeneous mixture these three components.

REFERENCES:
patent: 4077920 (1978-03-01), Yukuta et al.
patent: 4500656 (1985-02-01), Rasshofer et al.
Peter Fabian, "Die Naturwissenschaften" 67, 1980, pp. 109-120.
Colin R. Patrick, "Journal of Fluorine Chemistry, 25", 1984, pp. 7-15.
Dr. A. Smola, "Mitteilungen der Chemischen Forschungsinstituts der Wirtschaft Osterichs", 1948, pp. 38-40 and pp. 43-45.

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