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首页> 外文期刊>Polymer Composites >Processability, morphology, thermal, and mechanical properties of rigid PVC composites with liquid macromolecular modifier-coated CaCO3
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Processability, morphology, thermal, and mechanical properties of rigid PVC composites with liquid macromolecular modifier-coated CaCO3

机译：具有液态高分子改性剂包覆的CaCO3的硬质PVC复合材料的可加工性，形态，热和机械性能

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摘要

Rigid poly(vinyl chloride) (PVC)/CaCO3 and PVC/liquid macromolecular modifier (LMM) coated CaCO3 (PVC/LCC) composites were both fabricated by melt mixing. The processability, micro-structure, dynamic mechanical behavior and mechanical properties of PVC/CaCO3 and PVC/LCC composites were studied by using torque rheometer, scanning electron microscope (SEM), dynamic mechanical analysis (DMA), and universal mechanical testing machine. The results showed that the synergistic effect of LMM and CaCO3 particles accelerated the plasticization of PVC resins. The processability of PVC/LCC composites was improved. The dispersion of LCC in PVC matrix was improved by the modification of CaCO3 particles with LMM. The T-gs of PVC/LCC composites were enhanced by filling with LCC. Because of the synergistic toughening of LMM and CaCO3 particles, the PVC/LCC composites exhibited excellent notched impact properties at the optimum value of LCC particles content. POLYM. COMPOS., 36:1286-1292, 2015. (c) 2014 Society of Plastics Engineers
机译：硬质聚氯乙烯（PVC）/ CaCO3和PVC /液体高分子改性剂（LMM）包覆的CaCO3（PVC / LCC）复合材料均通过熔融混合制成。利用转矩流变仪，扫描电子显微镜（SEM），动态力学分析（DMA）和通用力学试验机研究了PVC / CaCO3和PVC / LCC复合材料的加工性能，微观结构，动态力学行为和力学性能。结果表明，LMM和CaCO3颗粒的协同作用促进了PVC树脂的增塑。 PVC / LCC复合材料的加工性能得到改善。通过用LMM改性CaCO3颗粒可以改善LCC在PVC基体中的分散性。通过填充LCC可以提高PVC / LCC复合材料的T-gs。由于LMM和CaCO3颗粒具有协同增韧作用，因此PVC / LCC复合材料在LCC颗粒含量的最佳值下具有出色的缺口冲击性能。 POLYM。 COMPOS。，36：1286-1292，2015.（c）2014年塑料工程师学会

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