Lined plastic closure

Details Lined plastic closure Lined plastic closure

1996-08-12

1999-07-20

Tsang, Cecilia J.

Stock material or miscellaneous articles

Hollow or container type article

Shrinkable or shrunk

428 357, 428172, 428192, 4284111, 428500, B65B 5300, F16B 400

Patent

active

059254300

ABSTRACT:
A plastic closure comprising a base wall and a peripheral skirt. The base wall has an inner surface and a liner is bonded to the inner surface of the base wall of the closure. The liner comprises a fusion blend of a linear ethylene polymer made utilizing single-site catalysts and a lubricant. Preferably the linear ethylene polymer is selected from the group consisting of ethylene-1-octene copolymers and ethylene-1-butene copolymers. The liner is preferably compression molded in the closure. The lubricant comprises an amide, preferably selected from the group consisting of oleamide, erucamide, stearamide, and EBS (ethylene bis stearamide).

REFERENCES:
patent: 5306542 (1994-04-01), Bayer
Proceedings of the Second International Business Forum on Specialty Polyolefins SPO '92, Sep. 22-24, 1992, pp. 155-165.
Proceedings of the Third International Business Forum on Specialty Polyolefins SPO '93, Sep. 21-23, 1993, pp. 227-245, 271-296.
Whelan, "Polymer Technology Dictionary", (pp. 224-225) 1984 (Defines LLDPE) .

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