C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/16 (2006.01) B29C 71/00 (2006.01) B65D 1/02 (2006.01) C08L 67/02 (2006.01) B29C 35/04 (2006.01)
Patent
CA 2131926
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 to 150 °C or bringing the bottle into contact with water or water vapor heated at 40 to 150 °C.
Hatabu Susumu
Kaya Hidenori
Niimi Hiroji
Tomita Kunio
Kirby Eades Gale Baker
Mitsui Chemicals Incorporated
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