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ABS/纳米CaCO3复合材料流变性能的研究
引用本文:张芳,程方亲,任长富.ABS/纳米CaCO3复合材料流变性能的研究[J].中国塑料,2007,21(10):52-56.
作者姓名:张芳  程方亲  任长富
作者单位:安徽大学化学化工学院,安徽合肥230039
基金项目:安徽省高校自然科学基金资助(2006KJ01B);安徽省绿色高分子材料重点实验室资助
摘    要:采用双螺杆挤出机,通过熔融共混工艺制备了丙烯腈-丁二烯-苯乙烯共聚物/纳米碳酸钙(ABS/nano-CaCO3)复合材料,利用转矩流变仪研究了其流变行为,探讨了nano-CaCO3用量、剪切速率和温度对复合材料黏度的影响。实验数据显示:ABS/nano-CaCO3熔体为假塑性流体,非牛顿指数n〈1;适量加入nano-CaCO3使复合体系熔体的n值增加,“柱塞流动”现象降低;在低剪切速率下,ABS/nano-CaCO3复合体系的熔体黏度较纯ABS熔体低;在高剪切速率下,复合体系的熔体黏度较纯ABS熔体高。

关 键 词:丙烯腈-丁二烯-苯乙烯共聚物  纳米碳酸钙  流变性能  表观黏度
文章编号:1001-9278(2007)10-0052-05
修稿时间:2007-06-08

Study on the Rheological Behavior of ABS/nano-CaCO3 Composites
ZHANG Fang, CHENG Fang-qin, REN Chang-fu.Study on the Rheological Behavior of ABS/nano-CaCO3 Composites[J].China Plastics,2007,21(10):52-56.
Authors:ZHANG Fang  CHENG Fang-qin  REN Chang-fu
Affiliation:School of Chemistry and Chemical Engineering, Anhui University, Hefei 230039, China
Abstract:ABS/nano-CaCO3 composites were prepared by melt-blending in a twin screw extruder. The theological behavior of the composites was studied using a torque rheometer. The effects of the nano-CaCO3 content, shear rate, and temperature on the melt viscosity of the composites were discussed. The data showed that the melt of ABS/nano-CaCO3 composites was pseudoplastic, the inclusion of nano-CaCO3 decreased the tendency of mast and tuck flowing.
Keywords:acrylonitrile-butadiene-styrene copolymer  nano-CaCO3  rheological behavior  apparent viscosity
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