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Polymerization and quaternization of 1-(2-diethylaminoethyl)-4-vinylbenzene: A new cationic polyelectrolyte by Kataoka, Kazunori ;Tsuruta, Teiji is a Chemistry article available to read on EtoBox.
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## Abstract Diethylamination of 1,4‐divinylbenzene catalyzed by lithium diethylamide gave rise to 1‐(2‐diethylaminoethyl)‐4‐vinylbenzene (**3**), quantitatively. Subsequent quaternization of **3** with ethyl bromide gave a cationic monomer, 4‐vinylphenethyltriethylammonium bromide (**7**). High molecular weight polymers, poly[1‐{4‐[2‐(diethylamino)ethyl]phenyl}ethylene] (**5**) and poly[1‐{4‐[2‐(triethylammonio)ethyl]phenyl}ethylene bromide] (**8**), were prepared from **3** and **7**, respectively, by using radical initiators, especially with redox‐type ones. Anionic polymerization of **3** was also carried out. The relationship between the polymerization condition and the stereoregularity of the polymer was studied by Carbon‐13 NMR spectroscopy. A polyion complex (**10**) was prepared from **8** in combination with poly(sodium 4‐vinylbenzenesulfonate) (**9**) to evaluate its properties as biomedical material.
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- Author
- Kataoka, Kazunori ;Tsuruta, Teiji
- Publisher
- Wiley (John Wiley & Sons); Wiley (ISSN 0025-116X)
- Published
- 1978
- Language
- EN
- Field
- Chemistry (Physical Sciences)