Reactive feed stream to replace inert blowing agent feed stream

Details Reactive feed stream to replace inert blowing agent feed stream Reactive feed stream to replace inert blowing agent feed stream

1990-12-20

1992-01-28

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521129, 521155, 521163, 521164, 521167, 521170, 521917, C08V 930

Patent

active

050844865

ABSTRACT:
A process for manufacture of molded, high resiliency, polyurethane foam substantially free of volatile organic blowing agents comprising feeding at least three streams into a mixing device to form a reaction mixture, wherein a first stream contains (i) a polyol, (ii) water, (iii) a catalyst, (iv) a surfactant; a second stream contains an organic polyisocyanate; and a third stream contains (i) water, (ii) a crosslinking/extending agent, and (iii) a process/foam modifier.

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