Studies on Thermal Stability and Fluid Property of PVC Filled with Hydrotalcite

Abstract

Abstract: Hydrotalcite can act as a co-stabilizer with other main stabilizer for poly(vinyl chloride)(PVC). The thermal stability and fluid property of PVC filled with hydrotalcite surface-treated with titanate and silane were studied in this work. Organic Sn is a main stabilizer and hydrotalcite is a stabilizing assistant. The stability of the PVC resin mixed with organic Sn and hydrotalcite is better than that of the PVC resin mixed with organic Sn alone. It is shown that the PVC resin filled with hydrotalcite possesses a better static and dynamic heat stability. Moreover, hydrotalcite can improve the fluid property of PVC, which is advantageous to the processing of PVC, and the optimum content of hydrotalcite is about 1%-2%(mass fraction).

Key words: Hydrotalcite, PVC, Thermal stability, Fluid property

ZHANG Qiang, LU Jie-bin. Studies on Thermal Stability and Fluid Property of PVC Filled with Hydrotalcite[J]. Chemical Research in Chinese Universities, 2002, 18(4): 424-426.

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Studies on Thermal Stability and Fluid Property of PVC Filled with Hydrotalcite

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