Polyester bottle and method of removing adsorbates on the bottle

Details Polyester bottle and method of removing adsorbates on the bottle Polyester bottle and method of removing adsorbates on the bottle

1994-09-06

1997-07-22

Dye, Rena

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 3692, 428910, 525444, 525448, 220DIG11, B65D 100, C08L 6702

Patent

active

056502044

ABSTRACT:
The refillable polyester bottle of the invention has a mean crystallinity of 32 to 70% at the bottle body, a methanol adsorption of 1,500 ppm or less at the same portion and a paraxylene adsorption of 300 ppm or less at the same portion. Therefore, the bottle is excellent in non-adsorptivity and heat resistance. According to the method of removing adsorbates on a polyester bottle of the invention, the adsorbates can be rapidly desorbed by holding the bottle in air of 40.degree. to 150.degree. C. or bringing the bottle into contact with water or water vapor heated at 40.degree. to 150.degree. C.

REFERENCES:
patent: 4358491 (1982-11-01), Ota et al.
patent: 4687689 (1987-08-01), Yazaki et al.
patent: 4996269 (1991-02-01), Richeson et al.
patent: 5261545 (1993-11-01), Ota et al.
patent: 5352401 (1994-10-01), Dalgewicz, III et al.
patent: 5407752 (1995-04-01), Fukuzumi et al.

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