NEW LADDER POLYMERS VIA REPETITIVE DIELS-ALDER REACTION UNDER HIGH-PRESSURE

被引：41

作者：

WEGENER, S ^{[1
]}

MULLEN, K ^{[1
]}

机构：

[1] MAX PLANCK INST POLYMER RES,ACKERMANNWEG 10,W-6500 MAINZ,GERMANY

来源：

MACROMOLECULES | 1993年 / 26卷 / 12期

关键词：

Epoxy resins - High pressure effects - Molecular structure - Polymerization;

D O I：

10.1021/ma00064a007

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The synthesis of a new ladder-type polymer by repetitive Diels-Alder reaction is described. The ''bis-diene'' 1 was treated with 1,4:5,8-bisepoxy-9,10-dihexyl-1,4:5,8-tetrahydroanthracene (2) at high pressure (7-8 kbar). Under these conditions the formation of polymer 5 was obtained. The influence of concentration, solvent, and temperature on the polymer-forming reaction is discussed. The polymer was characterized by size-exclusion chromatography, by NMR spectroscopy, and by DSC and thermogravimetric methods. An attempt is made to solve the complex stereochemistry by the preparation of model compounds 7a and 7b.

引用

页码：3037 / 3040

页数：4

共 15 条

[11]

HORN T, 1992, POLYM PREPR AM CHEM, V33, P190

[12] CHEMISTRY UNDER HIGH-PRESSURE - EFFECTS OF HIGH-PRESSURE ON REACTIONS IN ORGANIC-CHEMISTRY [J].

KLARNER, FG .

CHEMIE IN UNSERER ZEIT, 1989, 23 (02) :53-63

[13]

MATSUMOTO K, 1985, SYNTHESIS-STUTTGART, P999

[14] MECHANISTIC ASPECTS OF DIELS-ALDER REACTIONS - A CRITICAL SURVEY [J].

SAUER, J ;

SUSTMANN, R .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1980, 19 (10) :779-807

[15] 5,6,7,8-TETRAMETHYLENEBICYCLO[2.2.2]OCT-2-ENE AS BIS(DIENE) IN REPETITIVE DIELS-ALDER REACTIONS [J].

WEGENER, S ;

MULLEN, K .

CHEMISCHE BERICHTE, 1991, 124 (09) :2101-2103

← 1 2 →