Composition for plastic article with unitarily molded foam layer

Details Composition for plastic article with unitarily molded foam layer Composition for plastic article with unitarily molded foam layer

1989-05-08

1989-11-07

Foelak, Morton

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

215252, 215329, 215347, 215348, 428 80, 4283084, 4283166, 521 91, 521 92, 521 93, 521 94, 521 97, 521143, 521908, 521909, 521910, B32B 702, B65D 5300

Patent

active

048791385

ABSTRACT:
A moldable and foamable thermoplastic composition comprising a major portion of moldable polypropylene resin; from about 1.25 to about 6 parts per hundred of resin (pphr) foam concentrate; from about 0.15 to about 1 pphr calcium carbonate; from about 0.03 to about 0.15 pphr amorphous silicon dioxide; from about 0.1 to about 0.4 pphr lubricant selected from the group consisting of synthetic waxes and distilled monoglycerides; from about 0.1 to about 0.4 pphr lubricant selected from the group consisting of N,N'-dioleoylethylenediamine and calcium stearoyl-2-lactylate; from about 0.15 to about 0.3 pphr unsaturated fatty monoamide; and from about 0.5 to about 2 pphr titanium dioxide concentrate.

REFERENCES:
patent: 3488299 (1970-01-01), Sato
patent: 3558752 (1979-01-01), Sen

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