高等学校化学学报 ›› 1995, Vol. 16 ›› Issue (2): 325.

• 研究简报 • 上一篇    

超细碳酸钙填充聚氯乙烯糊触变性能研究

陈飞跃, 许勇, 胡黎明   

  1. 华东理工大学技术化学物理研究所, 上海 200237
  • 收稿日期:1994-05-25 修回日期:1994-07-13 出版日期:1995-02-24 发布日期:1995-02-24
  • 通讯作者: 陈飞跃,男,24岁.硕士,助教.
  • 作者简介:陈飞跃,男,24岁.硕士,助教.
  • 基金资助:

    国家自然科学基金

Studies on Thixotropy of PVC Plastisol with Ultrafine Calcium Carbonate Filled

CHEN Fei-Yue, XU Yong, HU Li-Ming   

  1. Institute of Tech.Chem.and Phy., East China Univ.of Sci.and Tech., Shanghai, 200237
  • Received:1994-05-25 Revised:1994-07-13 Online:1995-02-24 Published:1995-02-24

关键词: 超细碳酸钙, 触变性, 聚氯乙烯糊, 表面改性, 屈服应力

Abstract: The time-dependent,shear rate-dependent and viscoelastic behavior of PVC plastisol with ultrafine calcium carbonate filled were obtained with time sweep,step-shear-rate sweep and frequency sweep methods.Thixotropic properties of this plastisol were characterized.From the experimental results,this plastisol is a viscoelastic thixotropic system with yield stress,and calcium carbonate improves the thixotropic properties after surface modification.

Key words: Ultrafine calcium carbonate, Thixotropy, PVC plastisol, Sufface modification, Yield stress

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