Manufacture of rigid foams and compositions therefor

Details Manufacture of rigid foams and compositions therefor Manufacture of rigid foams and compositions therefor

1992-11-10

1993-08-24

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521121, 521129, 521131, 521132, 521155, 521163, 521170, C08J 912, C08J 914

Patent

active

052389707

ABSTRACT:
The use of a liquid for the preparation of a rigid polyurethane and/or polyisocyanurate foam by reacting a polyisocyanate and a polyol in the presence of a blowing agent characterized in that the liquid is an inert, insoluble, non-blowing liquid. CFC-free foams may be obtained showing good insulating properties.

REFERENCES:
patent: 4972002 (1990-11-01), Volkert
patent: 4981879 (1991-01-01), Snider
patent: 5001164 (1991-03-01), Smits et al.
patent: 5034424 (1991-07-01), Wenning et al.

Affiliated with

Also associated with

Rating

Manufacture of rigid foams and compositions therefor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Manufacture of rigid foams and compositions therefor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Manufacture of rigid foams and compositions therefor will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-829595