STRUCTURE PROPERTY RELATIONSHIPS OF IRRADIATION CROSSLINKED FLEXIBLE PVC .1. STRUCTURAL INVESTIGATIONS

被引：64
作者：
NETHSINGHE, LP
GILBERT, M
机构：
[1] Univ of Technology, United Kingdom
来源：
POLYMER | 1988年 / 29卷 / 11期
关键词：
Plastics--Crosslinking - Polymers--Radiation Effects;
D O I：
10.1016/0032-3861(88)90164-4
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
An investigation has been carried out into the effect of irradiation dose and the amount of the unsaturated monomer trimethylolpropane trimethacrylate (TMPTMA) on the irradiation of a di-iso-octyl phthalate (DIOP) plasticized PVC compound. The type of network structure produced and the extent of deterioration of PVC after crosslinking have been studied. Within the dose range studied, the degradation caused by the electron beam was found to be minimal, but the residual unsaturation in the crosslinked PVC was significant, implying inefficient use of crosslinking agent. Gel yield increased with increased irradiation dose and TMPTMA content, but crosslink density decreased a higher irradiation levels, suggesting the formation of a looser network. The phthalate plasticizer was not involved in gel formation.
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页码：1935 / 1939
页数：5
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