A novel catalyst for the glycolysis of poly(ethylene terephthalate) | Zendy

Troev K. | Zendy; Grancharov G. | Zendy; Tsevi R. | Zendy; Gitsov I. | Zendy

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A novel catalyst for the glycolysis of poly(ethylene terephthalate)

Author(s) -

Troev K.,

Grancharov G.,

Tsevi R.,

Gitsov I.

Publication year - 2003

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.12711

Subject(s) - depolymerization , ethylene glycol , diethylene glycol , catalysis , ethylene , oligomer , polymer chemistry , materials science , dimethyl terephthalate , titanium , phosphate , chemistry , nuclear chemistry , organic chemistry

Poly(ethylene terephthalate) waste materials were depolymerized by ethylene glycol (EG), diethylene glycol (DEG), and propylene glycol (PG) in the presence of a novel catalytic system: titanium (IV)‐phosphate. The new catalyst was synthesized through a reaction of TiCl 4 with triethyl phosphate (C 2 H 5 O) 3 P(O). It was found that the depolymerization of poly(ethylene terephthalate) fiber proceeds faster in the presence of titanium (IV)‐phosphate compared with compounds traditionally used in this process like Zn(OOCCH 3 ) 2 . The oligomer distribution in the glycolysis products was studied by size‐exclusion chromatography. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 90: 1148–1152, 2003

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