Process for preparing in situ reticulated polyurethane foam

Details Process for preparing in situ reticulated polyurethane foam Process for preparing in situ reticulated polyurethane foam

1986-01-09

1987-06-02

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 97, 521 98, 521130, 521133, 521137, C08J 914, C08J 938

Patent

active

046704779

ABSTRACT:
An improved process for in situ production of a reticulated, open-cell polyurethane foam which comprises reacting a polyester/polyether polyol mixture with an aromatic polyisocyanate having a ratio of isocyanate moieties to aromatic moieties of about 2:1 in the presence of a catalyst and a blowing agent,

REFERENCES:
patent: 3165483 (1965-01-01), Gemeinhardt et al.
patent: 3178300 (1965-04-01), Gemeinhardt et al.
patent: 3433752 (1969-03-01), Zagoreu et al.
patent: 3454504 (1969-07-01), Murai et al.
patent: 3748288 (1973-07-01), Winkler et al.
patent: 3884848 (1975-05-01), Ricciardi et al.
patent: 4167612 (1979-09-01), Tucker et al.

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