Effect of Mechanochemical Degradation on Rheological Behavior of PVC

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (8): 1244.

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Effect of Mechanochemical Degradation on Rheological Behavior of PVC

GUO Shao-Yun, XU Xi

Polymer Research Institute, Chengdu University of Science and Technology;The State Key Laboratory of Polymer Materials Engineering, Chengdu, 610065

Received:1993-07-20 Revised:1993-12-25 Online:1994-08-24 Published:1994-08-24

Abstract

Abstract: The rheological behavior of mechanochemically degraded poly (vinyl chloride) (PVC) was studied through Brabender plasticorder and capillary rheometer.The experimental results show that the degraded PVChas much shorter plasticizing time, high plasticizing rate and lower melt viscosity and glass transition temperature as compared with undegraded PVC. The results provide a theoretical base for using the low molecular weight PVCprepared by mechanochemical method as plasticizer for high molecular weight PVC.

Key words: Mechanochemical degradation, Poly(vinyl chloride), Rheological behavior

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GUO Shao-Yun, XU Xi. Effect of Mechanochemical Degradation on Rheological Behavior of PVC[J]. Chem. J. Chinese Universities, 1994, 15(8): 1244.

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Effect of Mechanochemical Degradation on Rheological Behavior of PVC

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