Citation: Bin Xiao, Li Ping Wang, Ren Hao Mei, Gong Ying Wang. Ethylene glycol aluminum as a novel catalyst for the synthesis of poly(ethylene terephthalate)[J]. Chinese Chemical Letters, ;2011, 22(6): 741-744. doi: 10.1016/j.cclet.2010.12.036 shu

Ethylene glycol aluminum as a novel catalyst for the synthesis of poly(ethylene terephthalate)

Bin Xiao ^a,b,c, ,
Li Ping Wang ^a,b,c ,
Ren Hao Mei ^a,b,c ,
Gong Ying Wang ^a,b,c

a Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China;
b Changzhou Key Laboratory of Green Chemistry and Technology, Changzhou Institute of Chemistry, Changzhou 213164, China;
c Graduate School of Chinese Academy of Sciences, Beijing 100039, China

Received Date: 14 December 2010

Ethylene glycol aluminum was prepared efficiently and characterized by FT-IR and NMR.It exhibited higher catalytic activity and had profitable effect than titanium glycolate and ethylene glycol antimony for the synthesis of poly(ethylene terephthalate)(PET).It was only used as polycondensation catalyst because it was sensitive to water.For this catalyst, the degree of esterification of the theoretical amount of water was produced up to 95% at 260 ℃, while the intrinsic viscosity and content of terminal carboxyl groups of the corresponding PET polyester, polymerized at 280℃, 70 Pa for 39 min, was 0.87 dL/g and 23.0 μmol/g, respectively.Ethylene glycol aluminum was a promising catalyst for the synthesis of PET polyester.
- Aluminum alkoxide,
- PET,
- Polycondensation,
- Catalyst,
- Ethylene glycol,
- Terephthalic acid
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