Laminated material for packaging film

Details Laminated material for packaging film Laminated material for packaging film

1978-09-06

1980-09-09

Ansher, Harold

Stock material or miscellaneous articles

Composite

Of natural gum, rosin, natural oil or lac

428518, 428520, 428522, 428911, B32B 2718, B32B 2722, B32B 2730

Patent

active

042218411

ABSTRACT:
A laminated material having high workability and gas-impermeability is prepared by the lamination of a layer of vinylidene chloride copolymer containing 3 to 10% by weight of a plasticizer having a number average molecular weight of less than 500 with a carrier layer of synthetic resin containing 5 to 70% by weight of at least one organic additive having a number average molecular weight between 800 and 10,000 and selected from the group consisting of functional oligomers, fats and oils, rosin, and derivatives thereof.

REFERENCES:
patent: 195483 (1897-09-01), Cobb
patent: 1442012 (1923-01-01), Sumner
patent: 1449748 (1923-03-01), Gardner
patent: 2968576 (1961-01-01), Keller et al.
patent: 3037868 (1962-06-01), Rosser
patent: 3325337 (1967-06-01), Harris
patent: 3488211 (1970-01-01), Morrison et al.
patent: 3524795 (1970-08-01), Peterson
patent: 4048428 (1977-09-01), Baird et al.
patent: 4105818 (1978-08-01), Scholle
patent: 4121006 (1978-10-01), Harada et al.
patent: 4151328 (1979-04-01), Kight

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