Transparent, non-heat-sealable, oriented, multilayer polyolefin

Details Transparent, non-heat-sealable, oriented, multilayer polyolefin Transparent, non-heat-sealable, oriented, multilayer polyolefin

1994-02-23

1995-11-21

Buffalow, Edith

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428331, 428349, 428516, 428910, B29D 2200

Patent

active

054685273

ABSTRACT:
A transparent, non-heat-sealable, oriented, multilayer polyolefin film is described. It includes a base layer which contains polypropylene, and at least one non-heat-sealable outer layer. The non-heat-sealable outer layer contains from 0.1 to 0.6% by weight of SiO.sub.2, based on the weight of the outer layer, which has been subjected to organic aftertreatment and has a mean particle diameter of from 2 to 6 .mu.m, preferably from 4 to 5 .mu.m. Also described are a process for the production of the multilayer film and the use thereof.

REFERENCES:
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patent: 4698261 (1987-10-01), Bothe et al.
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patent: 5137955 (1992-08-01), Tsuchiya et al.
patent: 5246763 (1993-09-01), Murschall et al.
Derwent Publications Ltd., AN 89-118948, JP 1-065175 abstract.
Derwent Publications Ltd., AN 88-045976, JP 3-030833 abstract.
Ullmanns Encyklopadie der technischen Chemie (Ullmann's Encyclopedia of Industrial Chemistry), 4th Edition, vol. 12, pp. 525-555.

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