ON GELATION CONTINUOUS-FLOW POLYCONDENSATION REACTORS

被引：1
|
作者：
MCLAUGHLIN, HS
NAUMAN, EB
机构：
[1] Rensselaer Polytechnic Inst, United States
来源：
CHEMICAL ENGINEERING JOURNAL AND THE BIOCHEMICAL ENGINEERING JOURNAL | 1989年 / 42卷 / 03期
关键词：
Formaldehyde - Gels - Phenols--Condensation Reactions - Polymerization--Condensation Reactions;
D O I：
10.1016/0300-9467(89)80086-3
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The feasibility of continuous flow reactors for network-forming polymers is questionable due to the possibility of gelation. A simplified model of a binary condensation is used to model gelation within stagnant pores and on the smooth wall of a tubular reactor. A simple criterion is derived for gelation in pores which can also be applied in a conservative sense to flow situations. More exact conditions for gelation in flow geometries are obtained from numerical calculations.
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页码：187 / 191
页数：5
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