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Author:
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Year:
Volume:
Issue:
THE TEMPERATURE DEPENDENCE OF VISCOSITY OF POLY(N\|ISOPROPYLACRYLAMIDE) SOLUTION
Author(s):
TAO Zhu
,
MA Peihua
,
LIU Min
,
ZHU Qianjiang
,
YANG Qingling
Pages:
21
-
25
Year:
1998
Issue:
1
Journal:
ACTA POLYMERICA SINICA
Keyword:
聚N-异丙基丙烯酰胺
;
粘度
;
分子量
;
Abstract:
用自由基聚合法合成了聚N-异丙基丙烯酰胺(PNIPAAM)样品,用乌氏粘度计考查了该聚合物的四氢呋喃(THF)溶液和水溶液的粘度与温度的依赖关系.发现PNIPAAM-THF体系的特性粘数随温度升高而增大,PNIPAAM-H2O体系的特性粘数-温度曲线表现出较为复杂的变化规律.并用实验确定的特性粘数对合成样品的分子量进行了表征Mn=8.44×105g*mol-1.
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