发明申请
- 专利标题： Method for recycling pet bottle
- 专利标题（中）： 宠物瓶回收方法
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申请号： US11882941申请日： 2007-08-07
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公开(公告)号： US20070299150A1公开(公告)日： 2007-12-27
- 发明人: Takuo Nakao , Tetsuya Chikatsune , Minoru Nakashima , Minoru Suzuki , Hiroki Nagano
- 申请人： Takuo Nakao , Tetsuya Chikatsune , Minoru Nakashima , Minoru Suzuki , Hiroki Nagano
- 申请人地址： JP Osaka 541-0054
- 专利权人： Teijin Limited
- 当前专利权人： Teijin Limited
- 当前专利权人地址： JP Osaka 541-0054
- 优先权： JP2001-317562 20011016; JP2001-317559 20011016; JP2001-317884 20011016; JP2001-360674 20011127; JP2001-306675 20011127; JP2001-360676 20011127; JP2001-360677 20011127
- 主分类号： C08J11/04
- IPC分类号： C08J11/04
摘要：
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.