Rheology and Thermal Behavior of Long BranchingPolypropylene Prepared by Reactive Extrusion

Feng-Hua Su; Han-Xiong Huang

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Rheology and Thermal Behavior of Long BranchingPolypropylene Prepared by Reactive Extrusion

机译：反应挤出制备长支化聚丙烯的流变学和热行为

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Long-chain branching polypropylene (LCB-PP) was achieved by reactive extrusion in the presence ofbifunctional monomer [1,6-hexanediol diarylate (HDDA)]and peroxide of dicumyl peroxide (DCP). Influences ofHDDA and DCP concentrations on the branching effi-ciency were comparatively evaluated. Fourier transformedinfrared spectroscopy (FTIR) results indicated that thegrafting reaction took place, and HDDA has been graftedon PP skeleton. In comparison with initial PP, some modi-fied samples showed lower melt flow index because of alarge number of LCB in their skeleton. Several rheologyplots were used to investigate the rheological propertiesof the initial PP and modified PPs, and the rheological

机译：长链支化聚丙烯（LCB-PP）是在双官能单体[1,6-己二醇二芳酯（HDDA）]和过氧化二枯基（DCP）的存在下通过反应挤出获得的。比较评估了HDDA和DCP浓度对支化效率的影响。傅立叶变换红外光谱（FTIR）结果表明发生了接枝反应，HDDA已接枝到PP骨架上。与初始PP相比，某些改性样品由于其骨架中存在大量LCB而显示出较低的熔体流动指数。使用几种流变图来研究初始PP和改性PP的流变特性以及流变学

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来源
《Journal of Applied Polymer Science》 |2009年第4期|共10页
作者
Feng-Hua Su; Han-Xiong Huang;
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正文语种 eng
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关键词
polypropylene; reactive extrusion; long-chainbranching; rheology; thermal properties;

机译：聚丙烯;反应挤出;长支链;流变性;热性能;

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1. Rheology and Thermal Behavior of Long BranchingPolypropylene Prepared by Reactive Extrusion [J] . Feng-Hua Su, Han-Xiong Huang Journal of Applied Polymer Science . 2009,第4期

机译：反应挤出制备长支化聚丙烯的流变学和热行为
2. Rheology and Melt Strength of Long Chain Branching Polypropylene Prepared by Reactive Extrusion With Various Peroxides [J] . Feng-Hua Su, Han-Xiong Huang Polymer engineering and science . 2010,第2期

机译：各种过氧化物反应挤出制备长支链聚丙烯的流变学和熔体强度
3. Rheology and Thermal Properties of Polypropylene Modified by Reactive Extrusion with Dicumyl Peroxide and Trimethylol Propane Triacrylate [J] . FENG-HUA SU, HAN-XIONG HUANG Advances in Polymer Technology . 2009,第1期

机译：过氧化二枯基和三羟甲基丙烷三丙烯酸酯反应挤出改性聚丙烯的流变学和热性能
4. Correlating Gel Rheology With Behavior During Extrusion Through Fractures [C] . Y. Wang, R.S. Seright SPE/DOE Improved Oil Recovery Symposium . 2006

机译：将凝胶流变学与骨折挤出过程中的行为相关联
5. Degradation and Crystallization Studies of Branched PLA Prepared by Reactive Extrusion [D] . Simmons, Heather Leigh. 2019

机译：反应挤出法制备支链PLA的降解与结晶研究
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Rheology and Thermal Behavior of Long BranchingPolypropylene Prepared by Reactive Extrusion

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