聚丙烯酸水溶液及α-A12O3悬浮液的流变性研究

来源 :化学物理学报 | 被引量 : 0次 | 上传用户：xj3301365

【摘要】

：

研究了pH、聚丙烯酸(PAA)浓度和分子量对PAA水溶液的粘度的影响,发现溶液的流变行为与溶液中PAA高分子链的离子化程度和构型密切相关,高分子链刚性程度的增加和链的伸展使溶

【作者】

：

赖炜刘杏芹

【机构】

：

中国科学技术大学固体化学与无机膜研究所,

【出处】

：

化学物理学报

【发表日期】

：

2004年期

【关键词】

：

聚丙烯酸悬浮液流变行为

【基金项目】

：

国家自然科学基金

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研究了pH、聚丙烯酸(PAA)浓度和分子量对PAA水溶液的粘度的影响,发现溶液的流变行为与溶液中PAA高分子链的离子化程度和构型密切相关,高分子链刚性程度的增加和链的伸展使溶液在pH为7～9时的粘度最大;研究了在PAA溶液中引入陶瓷粉体后悬浮液的粘度变化,发现当陶瓷粉体和PAA的量达到一定比值时悬浮液体系的粘度达到最小值,同时发现陶瓷粉体的粒径大小与这一粘度最小值和悬浮液流变特性也有关.

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聚丙烯酸水溶液及α-A12O3悬浮液的流变性研究

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