摘要 |
The invention relates to polyurethane and polyisocyanurate closed-cell foams. More particularly, the invention relates to polyurethane and polyisocyanurate closed-cell foams prepared with a blowing agent comprising 1-chloro-1,2,2,2-tetrafluoroethane (HCFC-124) and 1,1-dichloro-1-fluoroethane (HCFC-141b) or a C2-C6 hydrocarbon. Foams prepared with the blowing agent of the invention possess improved thermal performance.
|
申请人 |
HONEYWELL INTERNATIONAL INC. |
发明人 |
BOGDAN, MARY, CHARLOTTE;WILLIAMS, DAVID, JOHN;LOGSDON, PETER, BRIAN;BEMONT, LESLIE, BRUCE |