Catalyst system for adherent rigid foam

Details Catalyst system for adherent rigid foam Catalyst system for adherent rigid foam

1995-03-24

1995-09-05

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, 521137, 521163, 521172, 521173, C08G 1802, C08G 1804, C08G 1818

Patent

active

054479215

ABSTRACT:
A thermosetting unsaturated polyester-polyurethane hybrid foam resin composition is made without significant blistering by using a 2-component catalyst system--one which initiates at room temperature and one which initiates at a temperature of at least 75.degree. C. and has a one-hour half-life temperature of at least 90.degree. C.; the composition has a room temperature stability of at least thirty days.

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patent: 5296545 (1994-03-01), Heise
patent: 5344852 (1994-09-01), Brooks et al.

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