Heat-shrinkable polymeric barrier film

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

1986-04-28

1987-09-01

Ives, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Weight per unit area specified

428518, 428516, 428910, 428520, 428913, 427172, 427173, 427423, 427223, 427 39, 53463, 426412, 426415, B32B 2708, B32B 2730, B05D 312, B65B 5110

Patent

active

046908650

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: 4424243 (1984-01-01), Nishimoto et al.
patent: 4565743 (1986-01-01), Akao
patent: 4605460 (1986-08-01), Schirmer

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