Process for producing a crosslinked foam of polyolefin resin hav

Details Process for producing a crosslinked foam of polyolefin resin hav Process for producing a crosslinked foam of polyolefin resin hav

1974-05-28

1976-04-13

Foelak, Morton

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25E, 260 4243, 260897A, 260897B, C08J 908, C08J 910

Patent

active

039502783

ABSTRACT:
A process for producing a crosslinked foam having uniform, fine, open cells, which comprises foaming an expandable composition comprising a crosslinkable polyolefin resin, 20 to 60 % by weight of an amorphous propylene polymer, a foaming agent and a crosslinking agent, by a one-step heat-press method. According to said process, a crosslinked foam having an open cell percentage of 40% or more can be obtained by a one-step treatment.

REFERENCES:
patent: 3098831 (1963-07-01), Carr
patent: 3341481 (1967-09-01), Palmer
patent: 3370106 (1968-02-01), Hall, Jr. et al.
patent: 3592785 (1971-07-01), Patterson
patent: 3644230 (1972-02-01), Cronin
patent: 3645930 (1972-02-01), Normanton
patent: 3651183 (1972-03-01), Hosoda et al.
patent: 3709806 (1973-01-01), Minami

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