RA-g-PHS超分散剂对PP/MCF木塑复合材料性能的影响

doi:10.19491/j.issn.1001-9278.2019.07.014

中国塑料 ›› 2019, Vol. 33 ›› Issue (7): 83-88.DOI: 10.19491/j.issn.1001-9278.2019.07.014

RA-g-PHS超分散剂对PP/MCF木塑复合材料性能的影响

张作才,夏江奇,李裕琪,陆绍荣,卢李勤

桂林理工大学

收稿日期:2019-01-21 修回日期:2019-04-03 出版日期:2019-07-26 发布日期:2019-07-26
基金资助:
PLA/NCC/GO核壳纳米纤维膜的电纺丝制备、性能及机理研究;广西重点研发计划项目：木塑钢复合新材料及门窗制品产业化示范研究

Effect of RA-g-PHS Hyper-dispersant on Properties of PP/MCF Wood-plastic Composites

Received:2019-01-21 Revised:2019-04-03 Online:2019-07-26 Published:2019-07-26
Contact: 陆绍荣 lushaoronLU E-mail:lushaor@163.com

摘要/Abstract

摘要： 采用自制松香海松酸接枝聚十二羟基硬脂酸(RA-g-PHS)超分散剂改性聚丙烯(PP)/剑麻纤维素微晶(MCF)木塑复合材料，研究了RA-g-PHS超分散剂用量对PP/MCF木塑复合材料力学性能、熔体流动速率和热性能的影响，并用扫描电子显微镜（SEM）对PP/MCF木塑复合材料冲击断面形貌的微观结构进行分析。结果表明，当RA-g-PHS超分散剂用量为2 %时，PP/MCF木塑复合材料的冲击强度为13.68 kJ/m2，熔体流动速率为2.06 g/10 min，相比未添加RA-g-PHS超分散剂的PP/MCF木塑复合材料分别提升了100 %和34.6 %，且热稳定性最好。

Abstract: The polypropylene (PP)/sisal cellulose microcrystalline (MCF) composites was prepared by use of rosin sea pine acid grafting poly(12-hydroxy stearic acid) (RA-g-PHS) as a hyper-dispersant, and the effect of hyper-dispersant content on the mechanical properties, melt flow rate and thermal properties of the composites were investigated. Moreover, the impact fracture surface of the composites was observed with scanning electron microscopy. The results indicated that the impact strength and melt flow rate of PP/MCF composites reached 16.8 kJ/m2 and 2.06 g/10 min, respectively, when 2 wt % of RA-g-PHS was incorporated. The composites also achieved optimum thermal properties.

张作才夏江奇李裕琪陆绍荣卢李勤. RA-g-PHS超分散剂对PP/MCF木塑复合材料性能的影响[J]. 中国塑料, 2019, 33(7): 83-88.

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RA-g-PHS超分散剂对PP/MCF木塑复合材料性能的影响

Effect of RA-g-PHS Hyper-dispersant on Properties of PP/MCF Wood-plastic Composites

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