Polyurethane foam prepared with reduced levels of hard halocarbo

Details Polyurethane foam prepared with reduced levels of hard halocarbo Polyurethane foam prepared with reduced levels of hard halocarbo

1988-08-19

1991-03-19

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

C08J 914, C08G 1808, C08G 1806

Patent

active

050011642

ABSTRACT:
Closed-cell polyisocyanate-based foams are prepared using a blowing agent mixture containing an organic compound having a boiling point in excess of 65.degree. C. in conjunction with another organic compound having a boiling point below about 40.degree. C.

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patent: 4299924 (1981-11-01), Nomura et al.
patent: 4393015 (1983-07-01), Kaneda et al.
patent: 4698371 (1987-10-01), Werner et al.
patent: 4898893 (1990-02-01), Ashida
patent: 4900365 (1990-02-01), Lund et al.
patent: 4927863 (1990-05-01), Bartlett et al.
patent: 4945119 (1990-07-01), Smits et al.
PCT application, WO 89/00594, publication date Jan. 26, 1989.

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