Multi-layer film

Details Multi-layer film Multi-layer film

1993-08-26

1995-03-21

Lesmes, George F.

Stock material or miscellaneous articles

Hollow or container type article

Glass, ceramic, or sintered, fused, fired, or calcined metal...

428 366, 428 367, 428141, 428159, 428345, 428354, 428355, B32B 2700

Patent

active

053993969

ABSTRACT:
Multi-layered films are disclosed which have a barrier layer and at least one seal layer. The seal layer is made with a copolymer of ethylene and ethylenically unsaturated ester. The seal layer is radio frequency (RF) sealable and the seal layer has an anti-block matted surface. The matted seal layer surface permits a lower slip and anti-block additive level which improves RF sealing and heat sealing.

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patent: 4469742 (1984-05-01), Oberle et al.
patent: 4590124 (1986-05-01), Schoenberg
patent: 4617241 (1986-10-01), Mueller
patent: 4848564 (1989-07-01), Scheller et al.
patent: 4855183 (1989-08-01), Oberle
patent: 4940634 (1990-07-01), Mueller et al.
patent: 4956212 (1990-09-01), Bekele

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