SYNTHESIS AND CHARACTERIZATION OF PHOTOSENSITIVE 4,4'-BIS(DIMETHYLAMINO)DIPHENYLMETHYL ETHERS OF CELLULOSE

被引：9
|
作者：
HEINZE, T
ERLER, U
HEINZE, U
CAMACHO, J
GRUMMT, UW
KLEMM, D
机构：
[1] UNIV JENA,INST ORGAN & MAKROMOLEK CHEM,D-07743 JENA,GERMANY
[2] JENA UMWELTTECH GMBH,D-07745 JENA,GERMANY
[3] UNIV JENA,INST PHYS CHEM,D-07743 JENA,GERMANY
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 1995年 / 196卷 / 06期
关键词：
D O I：
10.1002/macp.1995.021960613
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Soluble 4,4'-bis(dimethylamino)diphenylmethyl ethers of cellulose (2) with a degree of substitution from 0,5 to 1,0 were prepared by etherification of cellulose dissolved in N,N-dimethylacetamide/LiCl. These ethers 2 show typical absorption spectra with an absorption maximum at 265 nm. While in neutral and basic medium 2 are stable, under acidic conditions a significant cleavage of the ether bonds occurs and thereby the formation of Michler's hydrol blue (absorption maximum at 604 nm). 2 was found to be photoconducting as film cast from a N,N-dimethylformamide solution, for instance. Preliminary studies of the behavior of solutions of 2 by irradiation by means of flash photolysis and UV spectroscopy were carried out as well.
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页码：1937 / 1944
页数：8
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