Chain-Growth Horner-Wadsworth-Emmons Condensation Polymerization Initiated with an Aliphatic Aldehyde

被引：2
作者：
Sato, Keichiro [1 ]
Goto, Eisuke [1 ]
Ochiai, Yuto [1 ]
Higashihara, Tomoya [1 ]
机构：
[1] Yamagata Univ, Grad Sch Organ Mat Sci, Dept Organ Mat Sci, 4-3-16 Jonan, Yonezawa, Yamagata 9928510, Japan
来源：
JOURNAL OF PHOTOPOLYMER SCIENCE AND TECHNOLOGY | 2019年 / 32卷 / 01期
关键词：
Horner-Wadsworth-Emmons Reaction; Condensation Polymerization; Chain-Growth Polymerization; Low Environmental-load; pi-Conjugated Polymers; CATALYST-TRANSFER POLYCONDENSATION; MOLECULAR-WEIGHT; REGIOREGULAR POLY(3-HEXYLTHIOPHENE); CONJUGATED POLYMERS; ZINCATE-COMPLEX; METAL-FREE; FUNCTIONALIZATION;
D O I：
10.2494/photopolymer.32.73
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The effective initiation for the chain-growth Horner-Wadsworth-Emmons (HWE) condensation polymerization was succeeded by utilizing an aliphatic aldehyde. Due to the higher electrophilicity of the aliphatic aldehyde compared with the aromatic one, the reactivity of the initiation might be accelerated, producing uniform intermediates to result in the formation of well-defined poly(3-(2-ethylhexyl)thienylene vinylene) (P3EHTV). Consequently, P3EHTV possessed the predictable molecular weight and lower molar-mass dispersity (D-M=1.16) value than that of P3EHTV obtained by employing aromatic aldehyde compounds as the initiators. In this polymerization system, neither transition metals nor halogens are utilized to realize low environmental-load synthesis of well-defined pi-conjugated polymers.
引用
收藏
页码：73 / 76
页数：4
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