Use of formate salts as auxiliary agents for low density rigid f

Details Use of formate salts as auxiliary agents for low density rigid f Use of formate salts as auxiliary agents for low density rigid f

1993-01-04

1994-02-15

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, C08J 912

Patent

active

052867587

ABSTRACT:
It has been found that in addition to acting as an auxiliary blowing agent, various salts of formic acid may be used to tailor the reactivity characteristics of rigid, polyurethane foam formulation. Salts of particular interest are: ammonium formate, sodium formate, and potassium formate. By varying amounts and combinations of the above salts, characteristics of a formulation's reactivity such as cream time, gel time, rise time, and tack-free time may be manipulated.

REFERENCES:
patent: 4345042 (1982-08-01), Kuroda et al.
patent: 4868043 (1989-09-01), Eling et al.
patent: 5137929 (1992-08-01), Demmin et al.

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