Thermoformed polyolefin cup

Details Thermoformed polyolefin cup Thermoformed polyolefin cup

1984-06-13

1986-03-25

Kittle, John E.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

229 15B, 428516, 428323, 428328, 428330, B65D 500

Patent

active

045782962

ABSTRACT:
The present invention relates to a cup which is produced by thermoforming a polyolefin resin composition sheet wherein the polyolefin resin composition comprises from 30 to 80% by weight of a polyolefin resin, from 19 to 69% by weight of talc, and from 1 to 10% by weight of titanium oxide, and also by thermoforming of a laminated sheet comprising (A) a layer of the above described polyolefin resin composition and (B) a layer of a polyolefin resin composition containing from 0 to 10% by weight of an inorganic filler.
The cup is of high whiteness, and has a high quality paper-like appearance of reduced luster and transparency impression, and is high in strength, stiffness, stability, and so forth.

REFERENCES:
patent: 4052037 (1977-10-01), Mair et al.
patent: 4101050 (1978-07-01), Buckler et al.
patent: 4124562 (1978-11-01), Yui et al.
patent: 4211690 (1980-07-01), Asano et al.
patent: 4309333 (1982-01-01), Silberberg
patent: 4368818 (1983-01-01), Day et al.
patent: 4447479 (1984-05-01), Harrison et al.

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