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Citation: SHENG Shou-Ri, KANG Yi-Qiang, LUO Qiu-Yan, HUO Yi, LIU Xiao-Ling, SONG Cai-Sheng. Synthesis and Characterization of Novel Polychloro-substituted Poly (aryl ether ketone sulfone) Random Copolymers[J]. Chinese Journal of Applied Chemistry, ;2005, 22(4): 387-390. shu

Synthesis and Characterization of Novel Polychloro-substituted Poly (aryl ether ketone sulfone) Random Copolymers

1.
a Institutes of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330027;
2.
b Department of Chemistry, Jinggangshan Teacher's College, Ji'an

Corresponding author: SHENG Shou-Ri,
Received Date: 28 May 2004
Available Online: 15 November 2004
Fund Project: 国家自然科学基金(20264001) (20264001)国家"八六三"计划(2002AA333120) (2002AA333120)

Tetrachloroterephthaloyl chloride (TCTPC) was synthesized via chlorination of terephthaloyl chloride (TPC) catalyzed by ferric chloride at 175~180℃ for 10 h,and confirmed by means of FTIR,MS and elemental analysis.A series of novel polychloro substituted poly (aryl ether ketone sulfone)(PESEKK/(C-PESEKK)) copolymers with high molecular weights were prepared by low-temperature solution polycondensation of TCTPC,4,4-diphenoxydiphenyl sulfone (DPODPS) and TPC in 1,2-dichloroethane in the presence of AlCl₃ and NMP.The copolymers were characterized by FT-IR,DSC and WAXD,etc.The results show that the copolymers are non-crystalline,exhibit high T_g's (168~232℃),which are higher than that of commercial PEEK and PEKK,and increase with increasing C-PESEKK content.But the decomposition onset temperatures (T_d)(5% mass loss) of the copolymers were a little lower than that of commercial PEEK and PEKK.The (copolymers) are soluble in CHCl₃,and especially in strong aprotogenic organic solvents such as DMF,DMSO and NMP at room temperature.
- poly (aryl ether ketone sulfone),
- tetrachloroterephthaloyl chloride,
- low-temperature solution poly-condensation,
- random copolymer
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