Integral skin foams employing pentafluoropropane blowing agents

Details Integral skin foams employing pentafluoropropane blowing agents Integral skin foams employing pentafluoropropane blowing agents

1997-12-30

1999-05-25

Truong, Duc

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 79, 521 99, 521163, 524589, 524590, 264 452, 264 455, C08J 934

Patent

active

059069996

ABSTRACT:
It has been found that non-chlorinated pentafluoropropane blowing agents may be used alone or in combination with water in flexible integral skin foams. For example, foams prepared using 1,1,1,3,3-pentafluoropropane (HFA-245fa) alone or in combination with water exhibit physical characteristics such as resistance to abrasion and cracking on flex comparable to conventional chlorinated fluorocarbon blown foams. The foams of the present invention are suitable for use in many applications including, for example, shoe soles.

REFERENCES:
patent: 5100922 (1992-03-01), Wada et al.

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