Foamed polyolefin foils

Details Foamed polyolefin foils Foamed polyolefin foils

1975-01-09

1976-06-22

Kight, III, John

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

264170, 264211, 526 14, 526 20, 526 49, C08F 1002

Patent

active

039650537

ABSTRACT:
A process for the continuous production of a foamed foil from a polymer based on an .alpha.,.beta.-monolefinically unsaturated monomer wherein 0.05 to 0.2 % by weight of a diamide obtained by reacting an aliphatic diamine and at least one aliphatic monocarboxylic acid having at least 4 carbon atoms is added to the solid or molten polymer in addition to the chemical blowing agent before or while the polymer is processed.

REFERENCES:
patent: 2345570 (1944-04-01), Bley
patent: 3222304 (1965-12-01), Ingram
patent: 3385804 (1968-05-01), Hill et al.
patent: 3467706 (1969-09-01), Hill et al.
patent: 3627723 (1971-12-01), Kealy et al.
patent: 3763059 (1973-10-01), Needham et al.

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