Process for the preparation of polyurethane foams

Details Process for the preparation of polyurethane foams Process for the preparation of polyurethane foams

1975-05-27

1978-01-10

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AB, 260 775AB, 260 775AC, C08G 1820, C08G 1824

Patent

active

040678318

ABSTRACT:
An improved process for the preparation of flexible polyurethane foams which comprise conducting the foaming in the presence of a delayed action catalyst and an inorganic filler having a pH 5 to 10, preferably 6 to 8, and an average particle size of 2-30 microns, preferably 5-15 microns. The process is suitable for slabstock and molded foams.

REFERENCES:
patent: 3148162 (1964-09-01), Gmitter et al.
patent: 3311648 (1967-03-01), Herbstman et al.
patent: 3391091 (1968-07-01), Considime et al.
patent: 3392153 (1968-07-01), Hostettler et al.
patent: 3821130 (1974-06-01), Barron et al.
patent: 3853795 (1974-12-01), Jenkins et al.
patent: 3980579 (1976-09-01), Syrop et al.

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