Method for recycling pet bottle

Details Method for recycling pet bottle Method for recycling pet bottle

2002-10-16

2008-12-09

Wyrozebski, Katarzyna (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Process of treating scrap or waste product containing solid...

C521S048500

Reexamination Certificate

active

07462649

ABSTRACT:
A through process comprising depolymerization reaction of used PET bottles with EG, recovering DMT by ester interchange reaction with MeOH, obtaining terephthalic acid by hydrolysis of the recovered DMT, and manufacturing a PET polymer which can be used for manufacturing PET bottles again by using the terephthalic acid.

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