Gelation of rigid PVC during processing

被引：18
|
作者：
Zajchowski, S [1 ]
Piszczek, K [1 ]
Tomaszewska, J [1 ]
机构：
[1] Akad Tech Rolnicza Bydgoszczy, Katedra Chem & Technol Polimerow, PL-85326 Bydgoszcz, Poland
来源：
POLIMERY | 2001年 / 46卷 / 04期
关键词：
poly(vinyl chloride); gelation; methods of investigations; gelation degree; structure changes;
D O I：
10.14314/polimery.2001.232
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Literature review (106 references) on analysis of recent looks concerning the process of PVC gelation. The characteristics of parent substance (suspension or mass PVC grains - Figs. 2 and 3) has been presented. The course of gelation of rigid PVC mixtures has been discussed. Recent methods of investigations on gelating mixture properties have been characterized in detail, especially estimation of gelation degree G [equations (1)-(4)] viz., plastographic investigations (Figs. 6 and 7), rheological measurements (Figs. 8-12), sorptive methods (Fig. 13), DSC (Fig. 14) and microscopy (especially electron microscopy). Correlation of PVC gelation process with changes of polymer structure has been marked.
引用
收藏
页码：232 / 243
页数：12
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