Method for producing foamed synthetic resin

Details Method for producing foamed synthetic resin Method for producing foamed synthetic resin

1998-06-03

2000-03-28

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521155, C08G 1800

Patent

active

060432918

ABSTRACT:
A method for producing a foamed synthetic resin which comprises reacting a polyisocyanate compound with an active hydrogen compound having at least 2 active hydrogen-containing functional groups reactive with an isocyanate group in the presence of a foaming agent, wherein the foaming agent comprises at least two kinds of 1,1,1,3,3-pentafluoropropane and 1,1,1,2-tetrafluoroethane.

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patent: 5426127 (1995-06-01), Doerge
patent: 5461084 (1995-10-01), Doerge
patent: 5496866 (1996-03-01), Sommerfeld et al.
patent: 5563180 (1996-10-01), Skowronski et al.
patent: 5565497 (1996-10-01), Godbey et al.

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