Foam-forming mixtures with decreased decomposition of hydrohaloc

Details Foam-forming mixtures with decreased decomposition of hydrohaloc Foam-forming mixtures with decreased decomposition of hydrohaloc

1994-02-10

1997-12-02

Sergent, Rabon

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521107, 521113, 521130, 521164, 521170, 521174, 521175, 521902, 2521822, 25218224, 25218226, 25218227, 25218228, 560330, 560331, 560354, 560355, 560358, 560360, C08J 908, C08J 914, C08G 1870, C08G 1872

Patent

active

056936869

ABSTRACT:
A polyisocyanate having an acid value of at least 0.01% HCl is used to produce polyisocyanate, polyisocyanurate and polyurethane urea foams with an HCFC blowing agent. The use of such a polyisocyanate is advantageous because the polyisocyanate does not cause significant decomposition of the HCFC blowing agent.

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