Ethylene polymer foams blown with isobutane and 1,1,1-trifluoroe

Details Ethylene polymer foams blown with isobutane and 1,1,1-trifluoroe Ethylene polymer foams blown with isobutane and 1,1,1-trifluoroe

1994-08-02

1995-03-21

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 98, 521143, 521910, 264 53, 264DIG5, C08J 914

Patent

active

053995929

ABSTRACT:
Disclosed is an ethylene polymer foam structure having enhanced processing and physical properties. The foam structure comprises an ethylenic polymer material and a blowing agent. The blowing agent has a primary blowing agent of isobutane and a secondary blowing agent of 1,1,1-trifluoroethane, 1,1,1,2-tetrafluoroethane, or a blend of them. Further disclosed is a process for making the foam structure.

REFERENCES:
patent: 3668155 (1972-06-01), Raley, Jr.
patent: 4086192 (1978-04-01), Raley, Jr.
patent: 4640933 (1987-02-01), Park
patent: 5149473 (1992-09-01), LeDuc
patent: 5210105 (1993-05-01), Paquet et al.
patent: 5244928 (1993-09-01), Smith et al.

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