Process for preparing formed articles made of polyurethane foams

Details Process for preparing formed articles made of polyurethane foams Process for preparing formed articles made of polyurethane foams

1995-05-15

1996-06-25

Seidleck, James J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521155, 521159, 521163, 521174, C08G 1832

Patent

active

055300332

ABSTRACT:
A process for preparing formed articles made of polyurethane foams, which comprises reacting at least a polyisocyanate with at least a compound containing end activated hydrogens in the presence of an expanding medium, selected from at least a hydrofluoroalkane and/or perfluoroalkane, and of a product, containing at least a structural unit of the aminic type, chemically bound or present in free form in one of the two polyurethane reagents, said expanding medium being dissolved in said one of the two polyurethane reagents.

REFERENCES:
patent: 4289858 (1981-09-01), Koehler et al.
patent: 4931482 (1990-06-01), Lamberts et al.
patent: 4972002 (1990-11-01), Volkert
patent: 4997706 (1991-03-01), Smits et al.
patent: 5164418 (1992-11-01), Behme et al.
G. Oertel; Polyurethane Handbook; 1985; p. 169.

Affiliated with

Also associated with

Rating

Process for preparing formed articles made of polyurethane foams does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for preparing formed articles made of polyurethane foams, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing formed articles made of polyurethane foams will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2189213