综述聚氯乙烯耐热改性方法的技术进展，比较了不同方法对其性能的影响，并介绍了几种耐热改性剂。
The progress in the modification of PVC heat resistance is reviewed. The effects of different methods on its properties are compared. Several heat resistant modifier are introduced.
对聚氯乙烯（PVC）树脂耐热改性方法的研究进行了综述。 PVC树脂耐热改性方法有共混改性、共聚合改性、氯化改性和其他改性。
The methods for modifying heat resistance of poly(vinyl chloride) (PVC) resins were reviewed, including blending modification, copolymerization modification and chlorination modification, etc.
复合材料的力学性能和耐热性能测试结果表明，适量有机粘土的加入能使其拉伸强度和维卡软化点均较纯聚氯乙烯有较大提高。
The experimental results show that tensile strength is enhanced with the increasing adding of the appropriate organoclay. However, the mechanical property is damaged with the too high clay conte…
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