Cellular thermoplastic resins with mixed blowing agents

Details Cellular thermoplastic resins with mixed blowing agents Cellular thermoplastic resins with mixed blowing agents

1979-07-23

1981-04-28

Foelak, Morton

Compositions

Preservative agents

Anti-corrosion

264DIG5, 521 88, 521 89, 521 90, 521 98, 521143, 521144, 521145, 521149, 521910, C06D 506, C08J 910

Patent

active

042644690

ABSTRACT:
Thermoplastic resin foams such as polyethylene foams having excellent appearance can be produced with high foaming stability by using a blowing agent composition comprising (a) azodicarbonamide, (b) dinitrosopentamethylenetetramine, and (c) a phenolic or propionate compound such as 1,3,5-tris(3,5-di-t-butyl-4-hydroxybenzyl)-s-triazine-2-4-6-(1H, 3H, 5H)trion.

REFERENCES:
patent: 3278466 (1966-10-01), Cram et al.
patent: 3321413 (1967-05-01), Riley, Jr. et al.
patent: 3645931 (1972-02-01), Normanton

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