Rheology of very high molecular weight poly(methyl methacrylate) solutions

被引：0
|
作者：
Bercea, M [1 ]
Simionescu, BC [1 ]
机构：
[1] Petru Poni Inst Macromol Chem, R-6600 Iasi, Romania
来源：
REVUE ROUMAINE DE CHIMIE | 2002年 / 47卷 / 1-2期
关键词：
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The paper discusses the rheological properties of ultrahigh molecular weight poly(methyl methacrylate) samples with M-w = 1.290.10(7) - 2.384.10(7), M-w/M-n less than or equal to 1.2, at 25degreesC, in different solvents: toluene, dimethylformamide and methyl ethyl ketone. According to the experimental data, eta(0) grows as M-4. The existence of a plateau at intermediate shear stress in the shear stress and first normal stress difference versus shear rate curves is evidenced.
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页码：155 / 164
页数：10
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