增容剂，是指借助于分子间的键合力，促使不相容的两种聚合物结合在一体，进而得到稳定的共混物的助剂，这里是指高分子增容剂。增容剂可以是与A、B两种高分子化学组成相同的嵌段或接枝共聚物，也可以是与A、B的化学组成不同但能分别与之相容的嵌段或接枝共聚物。 PE-g-ST、PP-g-ST、ABS-g-MAH、PE-g-MAH、PP-g-MAH等，应用在塑料改性中，得到性能很好的共混性材料。 目前比较好的增容剂通常以马来酸酐接枝，马来酸酐单体和其它单体比较极性比较强，相容效果比较好。
针对这种状况，可通过添加“相容剂”， 又称“增容剂”（Compatibilizer），来增加体系的相容性，而达到改善共混体系综 合性能的目的。 1 .
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研究了偶联剂(KH-560)和偶联剂(KH-560)-增容剂(PP-g-MAH)的增容机理.采用扫描电镜观察纳米SiO2粉体在聚合物PP基体中的分散和界面作用来探讨纳米SiO2粉体与PP的相容机理.
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Furthermore, when compatibilizer was added, the pseudoplastic flow behaviors of the blends were not changed. However, the apparent viscosities of the blends decreased after adding compatibilizer especially for low shear rate.
增容剂的加入没有改变体系的流动行为,但使体系表观粘度降低,尤其是在低剪切速率范围内这种变化更为显著。
参考来源 - PBS及其共聚物的合成与表征The results indicated that the compatilizer enhanced the impact strength and breaking elongation of PC/ABS alloy obviously, enhanced all mechanical properties of PA6/ABS alloy, and enhanced the tensile strength and breaking elongation of ABS/GF composite.
结果表明,该增容剂的加入明显提高了PC/ABS合金的冲击强度和断裂伸长率,使PA6/ABS合金的各项力学性能均明显提高,使ABS/GF复合材料的拉伸强度和断裂伸长率也有较大提高。
参考来源 - 马来酸酐接枝ABS的增容改性研究HDPE/PA66 and HDPE/PBT in-situ composites have been prepared by extrusion-tensile-injection method. Effects of composition, compatibilizer and draw ratio on morphology and property of composites were studied.
用挤出-拉伸-注塑法制备了HDPE/PA66、HDPE/PBT原位复合材料，研究了组成比、增容剂、拉伸比对复合材料形态和性能的影响，探讨了分散相成纤的机理及其增强、增刚基本的作用机制。
参考来源 - HDPE/PA66或PBT原位复合材料的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同时给出了各种增容剂的增容机理。
At the same time, the compatibilization mechanisms were given.
同时研究了不同增容剂及其用量对并用胶力学性能的影响。
Furthermore, the effects of the different compatibilizers and amounts on mechanical properties of blends were also studied.
用马来酸酐接枝聚乙烯作增容剂能提高PC/ABS合金的抗静电性能；
The anti-static property of PC/ABS blends can be improved to some extent by adding PEg-MAH.
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