Polyamides from lactams via anionic ring-opening polymerization .3. Rheology

被引：28
|
作者：
Dave, RS
Kruse, RL
Udipi, K
Williams, DE
机构：
[1] BAYER CORP,DIV POLYMERS,SPRINGFIELD,MA 01151
[2] MONSANTO CO,FIBERS DIV,CONTONMENT,FL 32533
[3] MONSANTO CO,ANALYT SERV,SPRINGFIELD,MA 01151
来源：
POLYMER | 1997年 / 38卷 / 04期
关键词：
anionic polymerization; rheology; complex viscosity;
D O I：
10.1016/S0032-3861(96)00568-X
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
This paper summarizes a study on the time-dependent growth of complex viscosity during the anionic ring-opening polymerization of caprolactam employing isophthaloyl-bis-caprolactam and caprolactam-magnesium-bromide as initiator and catalyst. The complex viscosity of the system-nylon 6 polymerizing in its monomer-has been defined over the temperature range of 120-160 degrees C by in situ mixing and polymerizing two caprolactam streams, one containing initiator, the other containing catalyst, between oscillating platens of a Rheometrics rheometer. Isothermal rheometry at five temperatures was accomplished for one initiator/catalyst combination. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码：949 / 954
页数：6
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