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Citation: TONG Yong-Fen, SONG Cai-Sheng, CHEN Lie, WEN Hong-Li, LIU Xiao-Ling. Synthesis and Properties of Methyl-subsituted Poly (aryl-ether-ketone)[J]. Chinese Journal of Applied Chemistry, ;2004, 21(10): 993-996. shu

Synthesis and Properties of Methyl-subsituted Poly (aryl-ether-ketone)

1.
Department of Chemistry, Jiangxi Normal University, Nanchang 330027

Corresponding author: SONG Cai-Sheng,
Received Date: 8 December 2003
Available Online: 28 April 2004
Fund Project: 国家"八六三"计划(2002AA333120) (2002AA333120)国家自然科学基金(20264001) (20264001)

Four methyl-subsituted poly(aryl-ether-ketone)s were prepared by electrophilic polymerization of 4,4'-bis(o-methylphenoxy)diphenylketone(Me-DPO-BP) and 1,4-bis(4-(2-methylphenoxy)benzoyl) benzene (Me-DPOTPK), respectively with terephthaloyl(TPC) or isophthaloyl(IPC) in 1,2-dichloroethane and in the presence of DMF and AlCl₃. The polymers were characterized by FT-IR, ¹H NMR, ¹³C NMR, DSC, TGA and WAXD techniques. The results show that the T_g of the polymers are 156~170℃ and T_m 175~254℃. The four polymers exhibit high thermal stability, and their crystallinity is lower than that of polyaromatic ether ketone ketone(PEKK). The polymers have good chemical resistance.
- poly(aryl ether ketone),
- pendant methyl group,
- polycondensation,
- synthesis,
- thermal property
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