Cyclic peroxyketal cross-linking/blowing agents for polyethylene

Details Cyclic peroxyketal cross-linking/blowing agents for polyethylene Cyclic peroxyketal cross-linking/blowing agents for polyethylene

1980-02-19

1981-06-30

Foelak, Morton

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By gas forming or expanding

264310, 264DIG5, 264DIG18, 521 87, 521 89, 521 90, 521 94, 521 96, 521143, C08J 906

Patent

active

042762472

ABSTRACT:
Novel processes and compositions are provided for the preparation of foamed, crosslinked polyethylene utilizing cyclic peroxyketal crosslinking/blowing agents. The novel compositions include esters of thiodipropionic acid as activators.

REFERENCES:
patent: 3470119 (1969-09-01), Benning et al.
patent: 3608006 (1971-09-01), Hosoda et al.
patent: 3640919 (1972-02-01), Michels et al.
patent: 3965054 (1976-06-01), Nojiri et al.

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