Modified phenolic foam catalysts and method

Details Modified phenolic foam catalysts and method Modified phenolic foam catalysts and method

1989-09-18

1990-07-31

Foelak, Morton

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

521 88, 521 89, 521181, B01J 3100

Patent

active

049450778

ABSTRACT:
The invention relates to the preparation of closed cell phenolic resin foams produced from compositions of phenol-aldehyde resole resins, and the foam products thus prepared. More particularly the present invention relates to the preparation of phenolic resin foams by a method employing a novel modified phenolic foam catalyst. The invention also relates to these modified phenolic foam catalysts which include an aromatic sulphonic acid and resorcinol.

REFERENCES:
patent: 3907723 (1975-09-01), Pretot
patent: 4396563 (1983-08-01), Gusmer
patent: 4478958 (1984-10-01), Carlson et al.
patent: 4525492 (1985-06-01), Rastall et al.
patent: 4530939 (1985-07-01), Rickle
patent: 4546119 (1985-10-01), Lunt et al.
patent: 4687755 (1987-08-01), Green
patent: 4697007 (1987-09-01), Seitz et al.
patent: 4883824 (1989-11-01), Meunier et al.

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