Modified polyethylene terephthalate

Details Modified polyethylene terephthalate Modified polyethylene terephthalate

1992-10-26

1993-10-05

Acquah, Samuel A.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

528272, 528297, 528298, 528300, 528302, 528308, 5283086, 525437, 525449, 428 341, B65D 100

Patent

active

052503330

ABSTRACT:
A modified polyethylene terephthalate is provided. Modification is provided by the incorporation of an alkoxylated polyol. The modified PET is melt-strength enhanced and extrusion blow-moldable. The modified PET may contain units derived from 2,6-napthalenedicarboxylic acid, and be useful for making bottles or containers having hot fill applications. Reduced yellowness is advantageously provided.

REFERENCES:
patent: 4069278 (1978-01-01), Borman et al.
patent: 4132707 (1979-01-01), Borman
patent: 4147738 (1979-04-01), Borman
patent: 4161579 (1979-07-01), Edelman et al.
patent: 4379913 (1983-04-01), Waitkus
patent: 4644019 (1987-02-01), McDaniel
patent: 5006613 (1991-04-01), Shepherd et al.

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