Studies on Thixotropy of PVC Plastisol with Ultrafine Calcium Carbonate Filled

Chem. J. Chinese Universities ›› 1995, Vol. 16 ›› Issue (2): 325.

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Studies on Thixotropy of PVC Plastisol with Ultrafine Calcium Carbonate Filled

CHEN Fei-Yue, XU Yong, HU Li-Ming

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

Abstract

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

TrendMD:

CHEN Fei-Yue, XU Yong, HU Li-Ming. Studies on Thixotropy of PVC Plastisol with Ultrafine Calcium Carbonate Filled[J]. Chem. J. Chinese Universities, 1995, 16(2): 325.

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Studies on Thixotropy of PVC Plastisol with Ultrafine Calcium Carbonate Filled

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