Anionic synthesis of dimethylamino‐functionalized polystyrenes and poly (methyl methacrylates) using 1 ‐ (4‐dimethylaminophenyl) ‐ 1 ‐ phenylethylene
作者:
Roderic P. Quirk,
Lin‐Fang Zhu,
期刊:
British Polymer Journal
(WILEY Available online 1990)
卷期:
Volume 23,
issue 1‐2
页码: 47-54
ISSN:0007-1641
年代: 1990
DOI:10.1002/pi.4980230109
出版商: John Wiley&Sons, Ltd
关键词: anionic polymerization;living polymerization;functionalization;telechelic polymers;amination;poly(styryl)lithium;1,1‐diphenylethylenes;functionalized poly(methyl methacrylate);functionalized polystyrene;living functionalization
数据来源: WILEY
摘要:
Abstractω‐Dimethylaminopolystyrenes can be synthesized in quantitative yields by reacting poly(styryl)lithium with 1‐(4‐dimethylaminophenyl)‐1 ‐phenylethylene (1). The resulting polymeric dimethylamino‐substituted 1,1‐diphenylalkyllithium was terminated with methanol or reacted with butadiene to form a diblock copolymer, poly(styrene‐b‐butadiene), with the dimethylamino group at the interface between the blocks. α‐Dimethylaminopolystyrene and α‐dimethylaminopoly‐(methyl methacrylate) were synthesized by using the adduct of1withsec‐butyllithium as initiator, α,ω‐Bis(dimethylamino)polystyrene was prepared by using the functionalized initiator and then terminating the resulting dimethylaminopoly‐(styryl)lithium with1. The amine‐functionalized polymers were characterized by end‐group titration, size exclusion chromatography, thin‐layer chromatography, vapor phase osmometry, elemental analysis and both1H and13C NMR spectroscopy. All experimental evidence is consistent with quantitative functionalization
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