Synthesis of Heat-resistant and Transparent Poly(Ether Sulfone Ether Ketone Ketone)

doi:10.19894/j.issn.1000-0518.200371

Chinese Journal of Applied Chemistry ›› 2021, Vol. 38 ›› Issue (8): 933-937.DOI: 10.19894/j.issn.1000-0518.200371

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Synthesis of Heat-resistant and Transparent Poly(Ether Sulfone Ether Ketone Ketone)

LIU Yong-Jun^*, HU Meng-Yun, WANG Han, LIU Xiao-Ling, SHENG Shou-Ri, HOU Hao-Qing

School of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330027, China

Received:2020-12-10 Revised:2021-04-13 Published:2021-08-01 Online:2021-10-01
Supported by:
National Natural Science Foundation of China (No.21965014) and Science and Technology Research Project of Jiangxi Province (No.20202BBEL53030)

Abstract

Abstract: A kind of heat-resistant and transparent poly(ether sulfone ether ketone ketone) (PESEKK) containing cyclohexyl and sulfonyl was prepared by electrophilic substitution condensation polymerization from 4,4'-diphenoxy diphenylsulfone (DPODPS) and cyclohexyl-1,4-dicarboxylchloride (CHDC) with AlCl₃ as the catalyst. The experimental results show that the PESEKK resin is amorphous with good thermal properties. The glass transition temperature (T_g) and thermal decomposition temperature (T_d) are 204 and 440 ℃, respectively. The resin can be dissolved in dimethyl sulfoxide (DMSO), N-methyl pyrrolidone (NMP), chloroform (CDCl₃) and other organic solvents, and can be coated to prepare highly transparent film. The cut-off wavelength of ultraviolet light transmission of the film is 350 nm and the transmittance is more than 80% in the visible light range. The film has good mechanical properties with a tensile strength of 72 MPa and a tensile modulus of 1.89 GPa.

Key words: Poly(ether sulfone ether ketone ketone), Transparent, Heat-resistant

CLC Number:

O631.5

LIU Yong-Jun, HU Meng-Yun, WANG Han, LIU Xiao-Ling, SHENG Shou-Ri, HOU Hao-Qing. Synthesis of Heat-resistant and Transparent Poly(Ether Sulfone Ether Ketone Ketone)[J]. Chinese Journal of Applied Chemistry, 2021, 38(8): 933-937.

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Synthesis of Heat-resistant and Transparent Poly(Ether Sulfone Ether Ketone Ketone)

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