Hot-fillable plastic containers

Details Hot-fillable plastic containers Hot-fillable plastic containers

1988-04-25

1989-11-14

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

215 1C, 215 122, 264 83, 427230, 427236, 428215, 428421, 4284761, 428516, 428518, 428520, B65D 2300, B29C 7100, B32B 2700

Patent

active

048806757

ABSTRACT:
The present invention is an improved plastic container having both improved thermal resistance and improved aroma and flavor barrier properties. The container comprises a polyethylene inner layer having a thickness in the range of 0.5 to 10.0 mil, and a coextruded polypropylene outer layer having a thickness such that the ratio of polypropylene to polylethylene is at least 2:1, and wherein the surface of the polyethylene layer has been treated with a reactive source of fluorine.

REFERENCES:
patent: 2811468 (1957-10-01), Joffre
patent: 3647613 (1972-03-01), Scotland
patent: 3862284 (1975-01-01), Dixon et al.
patent: 4550043 (1985-10-01), Beck
patent: 4610366 (1986-09-01), Estes et al.
patent: 4617077 (1986-10-01), Giese et al.
patent: 4764405 (1988-08-01), Bauman et al.

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