Phenolic foam

Details Phenolic foam Phenolic foam

1980-05-14

1981-07-28

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521181, 525506, 528129, 528166, C08J 902

Patent

active

042810698

ABSTRACT:
A phenolic foam produced without the use of a conventional chlorofluorocarbon or hydrocarbon blowing agent is disclosed. The phenolic foam is produced as the reaction product of a mixture comprising a phenolic resole, a surfactant and stannous chloride. The phenolic foams can be formulated to contain a substantial proportion of closed cells.

REFERENCES:
patent: 3227665 (1966-01-01), Fourcode et al.
patent: 3830894 (1974-08-01), Juenger et al.
patent: 3876620 (1975-04-01), Moss

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