A convenient NMR method for the measurement of Lewis acidity at boron centres: Correlation of reaction rates of Lewis acid initiated epoxide polymerizations with Lewis acidity

被引：412

作者：

Beckett, MA ^{[1
]}

Strickland, GC ^{[1
]}

Holland, JR ^{[1
]}

Varma, KS ^{[1
]}

机构：

[1] PILKINGTON TECHNOL,PILKINGTON GRP RES,LATHOM L40 5UF,LANCS,ENGLAND

来源：

POLYMER | 1996年 / 37卷 / 20期

关键词：

boron; Lewis acidity; nmr;

D O I：

10.1016/0032-3861(96)00323-0

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 reaction rates from viscosity measurements of Lewis acid catalysed epoxide (oxirane) polymerizations have been correlated with Gutmann's Acceptor Number (AN) scale derived from measurement of P-31 n.m.r. chemical shifts of Et(3)PO (TPO) dissolved in the boron-containing Lewis acid. Copyright (C) 1996 Elsevier Science Ltd.

引用

页码：4629 / 4631

页数：3

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