高等学校化学学报

高等学校化学学报 ›› 1992, Vol. 13 ›› Issue (6): 861.

• 论文 • 上一篇    下一篇

CPVC/SMA共混体的流变性能

史铁钧1, 魏春鸣1, 张正柏2   

  1. 1. 合肥工业大学化工系, 合肥, 230009;
    2. 上海石油化工研究院, 合肥
  • 收稿日期:1991-05-07 出版日期:1992-06-24 发布日期:1992-06-24
  • 通讯作者: 史铁钧

Rheological Properties of CPVC/SMA Blends

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

  1. 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

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被引次数

6

摘要： CPVC有许多优良的物理和力学性能,但是它的热分解温度和熔融温度相距太近,加工性能很不好,Krishnan[1]等人最先研究了CPVC的流变性能,我们近几年研究了其共混体的流变性[2,3],发现通过共混方法可以有效地改善CPVC的加工特性.CPVC与苯乙烯-马来酸酐共聚物(SMA)共混体的流变性的研究则未见报道.本文研究了CPVC/SMA共混体的流变特性,为CPVC材料加工工艺参数的制定提供了依据.

关键词: 氯化聚氯乙烯(CPVC), SMA, 共混体, 流变, 毛细管

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

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