COPOLYMERIZATION OF ANHYDROGLUCOSE AND ANHYDROMANNOSE DERIVATIVES - STRUCTURE, REACTIVITY, AND CONFORMATIONAL-ANALYSES

被引：34

作者：

KOBAYASHI, K ^{[1
]}

SCHUERCH, C ^{[1
]}

机构：

[1] SUNY,COLL ENVIRONM SCI & FORESTRY,DEPT CHEM,SYRACUSE,NY 13210

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 1977年 / 15卷 / 04期

关键词：

CATALYSTS - Phosphorus Pentafluoride - CHEMICAL REACTIONS - Reaction Kinetics - COPOLYMERS - Molecular Structure - MONOMERS - Chemistry - SPECTROSCOPIC ANALYSIS;

D O I：

10.1002/pol.1977.170150413

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Results of an experimental study are presented which show that phosphorus pentafluoride-catalyzed copolymerization of 1,6-anhydro-2,3,4-tri-O-(p-methylbenzyl)- beta -D-glucopyranose (TXGL, monomer G) and 1,6-anhydro-2,3,4-tri-O-benzyl- beta -D-mannopyranose (TBMN, monomer M) appears to follow classical copolymerization theory. Reactivity ratios calculated by the procedure of Mayo and Lewis were r//G equals 0. 90 plus or minus 0. 08, r//M equals 11. 5 plus or minus 0. 80, from which sequence distributions were calculated. A conformational analysis of anhydro sugar polymerization and copolymerization. The polymers and copolymers were characterized by viscosity, **1H- and **1**3C-NMR spectroscopy, optical rotation, and circular dichroism. The reaction gives stereoregular polymers as have other polymerizations and copolymerizations of this class.

引用

页码：913 / 926

页数：14

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