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首页> 外文期刊>Journal of Applied Polymer Science >Online monitoring of reactive compatiblization of poly(lactic acid)/polyamide 6 blend with different compatibilizers
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Online monitoring of reactive compatiblization of poly(lactic acid)/polyamide 6 blend with different compatibilizers

机译：在不同增容剂的聚（乳酸）/聚酰胺6混合物的在线监测聚（乳酸）/聚酰胺6共混物

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摘要

Improvement of poly(lactic acid)/polyamide 6 (PLA/PA6) miscibility is approached by reactive compatibilization with using different reactive agents. Specifically, compatibilizing efficiency of commercially available Joncryl ADR-4368 (Joncryl) and free-radical initiator 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane (L101) is compared to that of laboratory synthesized compatibilizers (poly(lactic acid) grafted with itaconic anhydride (PLA-g-IAH) and poly(itaconic anhydride) (PIAH) by online rheology monitoring in internal mixer and oscillatory rheometer. The change of morphology and particle-size distribution is evaluated by scanning electron microscopy (SEM), the extent of PLA-PA6 miscibility is determined by differential scanning calorimetry (DSC), and newly formed polymer phases are identified by high-resolution thermogravimetric analysis (HR-TGA) and solvent extraction in formic acid. Although Joncryl exhibits the most promising results in PLA-PA6 compatibility, other compatibilizers also exhibit specific benefits for PLA/PA6 blend or individual polymers. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48005.
机译：通过使用不同的反应性试剂的反应性相容来接近聚（乳酸）/聚酰胺6（PLA / PA6）混溶性的改善。具体地，将市售的Joncryl ADR-4368（Joncryl）和自由基引发剂2,5-二甲基-2,5-双（叔丁基氧化）己烷（L101）的相容效率与实验室合成的增容剂（Poly（通过在内部混合器和振动流变仪中通过在线流变监测接枝衣康酸酐（PLA-G-IAH）和聚（衣康酸酐）（PIAH）的乳酸。通过扫描电子显微镜评估形态和粒度分布的变化（ SEM），PLA-PA6混溶的程度由差示扫描量热法（DSC）确定，并且通过高分辨率热重分析（HR-TGA）和甲酸中的溶剂萃取来鉴定新形成的聚合物相。虽然Joncryl最多有希望的PLA-PA6兼容性，其他增容剂还表现出PLA / PA6混合物或单个聚合物的特定益处。（c）2019 Wiley期刊，Inc .J.Phall。Polym。Poly。2019,136,48005。

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