Heat-shrinkable polymeric barrier film

Details Heat-shrinkable polymeric barrier film Heat-shrinkable polymeric barrier film

1987-04-15

1988-11-22

Page, Thurman K.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

427171, 4273935, B32B 2708, B05D 302

Patent

active

047865610

ABSTRACT:
A heat-shrinkable barrier film comprised of an oriented polyolefin film coated on one side with a vinylidene chloride copolymer are disclosed. The films have excellent gas and vapor barrier properties, can surprisingly be made using conventional dispersion coating techniques, and retain acceptable optical properties even on shrinking up to as high as 35% in either transverse or machine directions or both.

REFERENCES:
patent: 3262808 (1966-07-01), Crooks et al.
patent: 4421780 (1983-12-01), Buzio et al.
patent: 4423089 (1983-12-01), Sekiya et al.

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