Polymeric acid salts as isocyanurate foam catalysts

Details Polymeric acid salts as isocyanurate foam catalysts Polymeric acid salts as isocyanurate foam catalysts

1975-09-19

1977-05-31

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AC, 260 25AW, 260 775AB, 260 775AC, 260 775NC, 260859R, 260898, 260 25BE, C08G 1814

Patent

active

040268373

ABSTRACT:
New catalysts for isocyanurate foams comprising the potassium salt of a carboxy-terminated butadiene-acrylonitrile copolymer. The novel foams are obtained by the polymerization of an aromatic polyisocyanate, and a polyether or polyester polyol in the presence of a blowing agent and said copolymer useful as an isocyanurate group formation catalyst. The novel foams are useful in preparing rigid, flexible, semirigid or semi-flexible materials such as panels, slabs or sprayed foam surfaces.

REFERENCES:
patent: 3168483 (1965-02-01), Beitchman et al.
patent: 3314901 (1967-04-01), Daumiller et al.
patent: 3644232 (1972-02-01), Bernard et al.
patent: 3676380 (1972-07-01), McLaughlin et al.
patent: 3745133 (1973-07-01), Comunale et al.

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