CURING REACTIONS IN ACETYLENE-TERMINATED RESINS .5. CYCLOTRIMERIZATION VERSUS LINEAR POLYENE FORMATION IN THE CATALYZED CURE OF ETHYNYLARYL-TERMINATED MONOMERS

被引：13

作者：

DOUGLAS, WE ^{[1
]}

OVEREND, AS ^{[1
]}

机构：

[1] KINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLAND

来源：

JOURNAL OF MATERIALS CHEMISTRY | 1994年 / 4卷 / 08期

关键词：

D O I：

10.1039/jm9940401167

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Structural differences in the polymers obtained by catalysed cure of the ethynylaryl-terminated monomer [1,4-(1,3-HC=CC6H4CH2O)C6H4]2CMe2 (1) could not be detected by IR or NMR spectroscopy. However, a study of the solvent-free catalysed polymerization of the model monomer, phenylacetylene, showed that the extent of cyclotrimerization decreased in the order (eta-CP)CO(CO)2 much greater than (eta-Cp)2Ni almost-equal-to (PPh3)2NiCl2 much greater than (PPh3)2PdCl2 with an accompanying increase in the degree of linear polyene formation, suggesting that this is so also for the catalysed cure of 1.

引用

页码：1167 / 1172

页数：6

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