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Citation: LI Wei, CAI Ming-Zhong, SONG Cai-Sheng. Synthesis of Terpolymers from 4,4'-Diphenoxydiphenylsulfone, 4,4'-Diphenoxybenzophenone and Terephthaloyl Chloride[J]. Chinese Journal of Applied Chemistry, ;2002, 19(7): 653-656. shu

Synthesis of Terpolymers from 4,4'-Diphenoxydiphenylsulfone, 4,4'-Diphenoxybenzophenone and Terephthaloyl Chloride

1.
Institute of Chemistry and Biological Science, Jiangxi Normal University, Nanchang 330027

Corresponding author: CAI Ming-Zhong,
Received Date: 28 November 2001
Available Online: 1 March 2002
Fund Project: 国家"863"计划(863-715-15-01-04) (863-715-15-01-04)江西省自然科学基金(010308)资助项目 (010308)

A series of terpolymers(DPODPS/DPOBP/TPC) were prepared by low temperature solution polycondensation of 4,4'-diphenoxydiphenylsulfone(DPODPS), 4,4'-diphenoxybenzophenone(DPOBP) and terephthaloyl chloride(TPC) in 1,2-dichloroethane in the presence of AlCl₃ and NMP. IR、WAXD、TG and DSC techniques were used to study the general properties of the copolymers. The results showed that the T_g and T_d of the copolymers increased with the increase in DPODPS content, the T_m and T_c of the copolymer decreased with increase in DPODPS content. The terpolymers obtained have lower melting temperatures than polyether ketone ether ketone ketone(PEKEKK), and their heat-resistance properties are as good as that of PEKEKK.
- polyether ketone ether ketone ketone,
- polyether sulfone ether ketone ketone,
- terpolymer,
- low temperature solution polycondensation
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