Mainly closed cell phenolic foam and process for producing this

Details Mainly closed cell phenolic foam and process for producing this Mainly closed cell phenolic foam and process for producing this

1994-01-14

1995-08-22

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, 521131, 521181, C08J 900

Patent

active

054440980

ABSTRACT:
The invention relates to a process for producing a mainly closed cell phenolic foam by curing a foam system comprising at least a phenolic resin and a blowing agent. This curing is effected in the presence of an either or not alkylated morpholine which is fluorated whether completely or not and which corresponds to the following general structural formula:

REFERENCES:
patent: 5162384 (1992-11-01), Owens et al.
patent: 5210106 (1993-05-01), Dams et al.
patent: 5211873 (1993-05-01), Dams et al.

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