Rheological Properties of CPVC/SMA Blends

Chem. J. Chinese Universities ›› 1992, Vol. 13 ›› Issue (6): 861.

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Rheological Properties of CPVC/SMA Blends

SHI Tie-jun¹, WEI Chun-ming¹, ZHANG Zheng-bai²

1. Department of Chemical Engineering, Hefei University of Technology, Hefei, 230009;
2. Shanghai Research Institute of Petrochemical Technology, Shanghai, 200137

Received:1991-05-07 Online:1992-06-24 Published:1992-06-24

Abstract

Abstract: Rheological properties of chlorinated poly (vinyl chloride)/styrene maleic anhydride copolymer (CPVC/SMA) blends were studied.It is shown that the relationship between viscosity and shear rate for each blend may be expressed with a second order equation, and the relationship between viscosity and shear stress with Sper.cer-Dillon experiential equation.The viscosity of system at 180℃ or 190℃ showc a minimum with increasing shear rate at SMA content 20%.and the minimum at 205 ℃ disappears at SMA content 20%.

Key words: CPVC, SMA, Blend, Rheology, Capillary

TrendMD:

SHI Tie-jun, WEI Chun-ming, ZHANG Zheng-bai . Rheological Properties of CPVC/SMA Blends[J]. Chem. J. Chinese Universities, 1992, 13(6): 861.

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Rheological Properties of CPVC/SMA Blends

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