SYNTHESIS AND POLYMERIZATION OF 2-ALKYLANILINES

被引:30
作者
BODALIA, R
STERN, R
BATICH, C
DURAN, R
机构
[1] UNIV FLORIDA,CTR MACROMOLEC SCI & ENGN,DEPT CHEM,GAINESVILLE,FL 32611
[2] UNIV FLORIDA,DEPT MAT SCI & ENGN,GAINESVILLE,FL 32611
关键词
O-ALKYLANILINE; POLY(O-ALKYLANILINE); CONDUCTING POLYMER;
D O I
10.1002/pola.1993.080310818
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
2-Alkylanilines with alkyl groups in the range of 4-15 carbon atoms were synthesized via a known method as well as via a more general path which should allow the introduction of a larger variety of substituted alkyl groups into the ortho position of aniline, e.g., alkenyl or OH, NH2, COOH, and phenyl functionality. Polymerization was found to be achievable according to a method previously described for unsubstituted aniline, i.e., chemically with Cu(ClO4)2 . 6H2O in acetonitrile. Intrinsic viscosities of the obtained poly (2-alkylaniline) s lay between 0.10 and 0.26 dL/g (97% H2SO4 at 30-degrees-C). The dc conductivity of the HCl salts decreased with increasing length of the alkyl side chains from 1 S/cm (polyaniline) over 3 x 10(-4) S/cm [poly (2-butylaniline)] to 1 x 10(-6) S/cm poly (tridecylaniline). Further characterization of the polymers were performed by means of UV/VIS/NIR-and-IR spectroscopy, in dilute solutions or as KBr pellets, respectively, and by solubility tests.
引用
收藏
页码:2123 / 2127
页数:5
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