Hollow, molecularly oriented copolyamide article

Details Hollow, molecularly oriented copolyamide article Hollow, molecularly oriented copolyamide article

1984-04-20

1988-01-26

Kittle, John E.

Stock material or miscellaneous articles

Composite

Of polyamide

428 35, 528310, B32B 2708, C08G 6908

Patent

active

047216549

ABSTRACT:
A new article of manufacture in the form of a hollow, biaxially oriented, article such as a container, formed of a composition comprising a copolyamide of hexamethylene terephthalamide and hexamethylene isophthalamide, the ratio of terephthalic acid to isophthalic acid used in forming the copolyamide being between about 1.0 to about 1.9. The article is preferably heat set and optically clear where oriented and can be functionally in hot fill and autoclave food packaging applications.

REFERENCES:
patent: 3549601 (1970-12-01), Fowell
patent: 3597400 (1971-08-01), Kashiro et al.
patent: 4022756 (1977-05-01), Chapman et al.
patent: 4255560 (1981-03-01), Meyer et al.
patent: 4261473 (1981-04-01), Yamada et al.
patent: 4288478 (1981-09-01), Kinoshita et al.

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