Polyester packaging material

Details Polyester packaging material Polyester packaging material

1985-11-21

1988-03-08

Short, Patricia A.

Stock material or miscellaneous articles

Composite

Of polyester

428911, 525444, 525933, 528302, B32B 2708, B32B 2736, C08L 6702, C08L 6704

Patent

active

047299274

ABSTRACT:
A packaging polyester material comprising a polyethylene terephthalate component and a component of polyethylene isophthalate copolymerized with 5 to 60 mole % of an aliphatic hydroxycarboxylic acid having up to 8 carbon atoms. This packaging material is excellent in the resistance to the permeation of gases.

REFERENCES:
patent: 4388456 (1983-06-01), Barbee
patent: 4403090 (1983-09-01), Smith
patent: 4424242 (1984-01-01), Barbee
patent: 4482586 (1984-11-01), Smith
patent: 4578295 (1986-03-01), Jabarin
patent: 4578437 (1986-03-01), Light

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