DEPOLYMERIZATION AND KINETICS OF DEPOLYMERIZATION OF POLYETHYLENE TEREPHTHALATE USING DIBUTYLTIN OXIDE CATALYST

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DEPOLYMERIZATION AND KINETICS OF DEPOLYMERIZATION OF POLYETHYLENE TEREPHTHALATE USING DIBUTYLTIN OXIDE CATALYST

Updated：2021-06-21

- DEPOLYMERIZATION AND KINETICS OF DEPOLYMERIZATION OF POLYETHYLENE TEREPHTHALATE USING DIBUTYLTIN OXIDE CATALYST
- Issue 2, Pages: 139-145(2006)
- Affiliations：
  
  1.   Department of Chemical Technology Faculty of Science Chulalongkorn University
  2.   Bangkok 10330
  3.   Thailand
- Author bio：
- Funds：
- DOI：
  CLC： O631.3
- Published：2006
- Accepted：
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[1]T．Naruephat,D．Somsak,V．Tharapong,P．Amorn.DEPOLYMERIZATION AND KINETICS OF DEPOLYMERIZATION OF POLYETHYLENE TEREPHTHALATE USING DIBUTYLTIN OXIDE CATALYST[J].Chinese Journal of Polymer Science,2006(02):139-145.

DEPOLYMERIZATION AND KINETICS OF DEPOLYMERIZATION OF POLYETHYLENE TEREPHTHALATE USING DIBUTYLTIN OXIDE CATALYST[J]. 2006, (2): 139-145.
[1]T．Naruephat,D．Somsak,V．Tharapong,P．Amorn.DEPOLYMERIZATION AND KINETICS OF DEPOLYMERIZATION OF POLYETHYLENE TEREPHTHALATE USING DIBUTYLTIN OXIDE CATALYST[J].Chinese Journal of Polymer Science,2006(02):139-145. DOI：

DEPOLYMERIZATION AND KINETICS OF DEPOLYMERIZATION OF POLYETHYLENE TEREPHTHALATE USING DIBUTYLTIN OXIDE CATALYST[J]. 2006, (2): 139-145. DOI：

摘要

<正>Depolymerization of poly（ethylene terephthalate）（PET） was performed in the tubular bomb microreactor which contained the solution of PET in methanol and dibutyltin oxide at the temperature ranging from 433 K to 473 K

the reaction time from 5 to 45 min and the catalyst-to-PET ratio of 0.3%-2% by weight. The optimal condition for PET depolymerization catalyzed by dibutyltin oxide is the temperature of 443-453 K

the reaction time of 20-25 min and 0.8% by weight of catalyst. By using differential methods

the activation energy for the depolymerization process was found to be 154.05 kJ/mol in the temperature range from 433-463 K.

Abstract

Depolymerization of poly（ethylene terephthalate）（PET） was performed in the tubular bomb microreactor which contained the solution of PET in methanol and dibutyltin oxide at the temperature ranging from 433 K to 473 K

the reaction time from 5 to 45 min and the catalyst-to-PET ratio of 0.3%-2% by weight. The optimal condition for PET depolymerization catalyzed by dibutyltin oxide is the temperature of 443-453 K

the reaction time of 20-25 min and 0.8% by weight of catalyst. By using differential methods

the activation energy for the depolymerization process was found to be 154.05 kJ/mol in the temperature range from 433-463 K.

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