Modified phenolic foams

Details Modified phenolic foams Modified phenolic foams

1982-06-04

1985-06-25

Kight, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521186, 521187, 521128, 521136, C08G 800, C08J 904

Patent

active

045254923

ABSTRACT:
Phenolic foams and a method of producing phenolic foam material from phenol-formaldehyde resins having a phenol to formaldehyde mole ratio of between about 1:3 and 1:4.5 are described. These materials are useful for insulation and other uses, particularly in the building trades. They are dimensionally and thermally stable, fire resistant and low in cost.

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