Method of removing adsorbates from a polyester bottle

Details Method of removing adsorbates from a polyester bottle Method of removing adsorbates from a polyester bottle

1995-07-10

1997-08-19

El-Arini, Zeinab

Cleaning and liquid contact with solids

Processes

Gas or vapor condensation or absorption on work

134 221, 134 38, B08B 300, B08B 500, B08B 900

Patent

active

056583931

ABSTRACT:
A method of removing adsorbates on a polyester bottle, the body of the bottle having a mean crystallinity of 32 to 70%, a methanol adsorption of 1,500 ppm or less and a paraxylene adsorption of 300 ppm or less. As a result, the bottle has excellent non-adsorptivity and heat resistance. According to the method, 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.

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patent: 5250333 (1993-10-01), McNeely et al.
patent: 5409983 (1995-04-01), Jones et al.
patent: 5520877 (1996-05-01), Collette et al.

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