Process for producing phenolic foams

Details Process for producing phenolic foams Process for producing phenolic foams

1985-05-21

1988-01-19

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 82, 521 88, 521 98, 521117, 521131, 521181, C08J 914

Patent

active

047205105

ABSTRACT:
This invention relates to a process for producing phenolformaldehyde foams, also known as phenolic foams, of improved properties. The inventive feature resides in using a controlled combination of the various components in the curing reaction mixture and in controlling the temperature within the mass of the curing mixture. The process is applicable to production of block or laminated foams. Phenolic foams find increasing use in building applications where their thermal insulation and fire resistant properties are of value.

REFERENCES:
patent: 3779959 (1973-12-01), Pinten et al.
patent: 4067829 (1978-01-01), Garrett
patent: 4233361 (1980-11-01), Fultz
patent: 4303758 (1981-12-01), Gusmer
patent: 4530939 (1985-07-01), Rickle

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