增容作用是使聚合物之间易于相互分散一种共混体系，有宏观均匀的特点。
试验结果表明CPE对PVC/SBR共混体系有良好的增容作用。
The result showed that CPE had good compatibilization for PVC/SBR blend.
强调了新的优化紫外稳定性的方法包括接枝法、增容作用，可聚合性稳定剂和聚合物结合稳定剂。
New approaches for optimization of UV stabilization using grafting, compatibilization, polymerizable stabilizers and polymer bound stabilizers are emphasized.
讨论了甲基丙烯酸甲酯（MMA）与CPE的接枝共聚物体系对PVC-CPE体系的增容作用。
The grafted copolymers of methyl methacrylate (MMA) and CPE as the compotilizer of the PVC/CPE blends are discussed.
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