Polyolefin foams having a homogeneous cell structure

Details Polyolefin foams having a homogeneous cell structure Polyolefin foams having a homogeneous cell structure

1993-01-08

1993-08-10

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 56, 521 60, 521 97, 521143, C08J 9224, C08J 9228

Patent

active

052349624

ABSTRACT:
Polyolefin foams having a density of from 0.01 to 0.1 g/cm.sup.3 and having 2 to 1000 cells/mm.sup.2 and containing a resin acid, a lower alkyl ester or a resin acid or (hydro) abietyl phthalate as organic foaming aid have a homogeneous cell structure.

REFERENCES:
patent: 3526625 (1970-09-01), Hoffman
patent: 4676939 (1987-06-01), Kuwabara et al.
patent: 4769394 (1988-09-01), Hahn et al.

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