Heatset high barrier container

Details Heatset high barrier container Heatset high barrier container

1986-03-20

1987-12-15

Short, Patricia A.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

525444, 525933, 428911, B65D 100

Patent

active

047132701

ABSTRACT:
A high barrier heatset intimate fusion blend article is disclosed where the article includes a blend of a high barrier copolyester, formed from terephthalic acid, ethylene glycol and 1,3 bis(2-hydroxyethoxy) benzene, and poly(ethylene terephthalate) (PET). The PET/copolyester blend articles are formed using a blowmolding and heatsetting process to rapidly achieve a high percentage of crystallinity of the PET in the article. The articles have excellent gas barrier and mechanical strength properties, high thermal stability and remain optically clear after heatsetting.

REFERENCES:
patent: 4398017 (1983-08-01), Go
patent: 4476170 (1984-10-01), Jabarin
patent: 4551368 (1985-11-01), Smith
patent: 4565851 (1986-01-01), Barbee
patent: 4578295 (1986-03-01), Jabarin

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