新材料与新技术

聚乳酸/氮化硼纳米片复合材料的制备和性能研究

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  • 江南大学生态纺织教育部重点实验室,无锡214122
桑燊(1995-),男,硕士研究生,主要从事生物质改性和高分子材料方面的研究,E-mail:17826111659@163.com。

收稿日期: 2020-07-10

  修回日期: 2021-07-16

  网络出版日期: 2021-12-13

基金资助

国家自然科学基金(31570578)

Preparation and property of BNNS/PLA nanosheet composite

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  • Key Laboratory of Eco-Textile of Ministry of Education,Jiangnan University,Wuxi 214122

Received date: 2020-07-10

  Revised date: 2021-07-16

  Online published: 2021-12-13

摘要

生物基聚合物及其复合材料作为一种绿色环保、可持续发展的材料备受瞩目。通过离子液体(1-丁基-3-甲基咪唑六氟磷酸盐)液相剥离六方氮化硼,得到六方氮化硼纳米片(BNNS)作为填料填充到聚乳酸(PLA)中,制得PLA/BNNS复合材料并对其各方面性能进行了研究,结果表明:制备的PLA/BNNS复合材料为不透光材料,阻燃效果明显,随着填料BNNS含量不断增加,复合材料的导热系数不断增大,熔点也有所上升,在BNNS含量为30%时,达到最大值,分别为3.37W/(m·k)和173.4℃,而当BNNS含量为15%时,拉伸性能达到最大为78.3MPa。

本文引用格式

桑燊, 曹雨, 田秀枝, 蒋学 . 聚乳酸/氮化硼纳米片复合材料的制备和性能研究[J]. 化工新型材料, 2021 , 49(11) : 110 -114 . DOI: 10.19817/j.cnki.issn 1006-3536.2021.11.023

Abstract

Bio-based/green polymer and multi-functional bio-based polymer composites have attracted much attention as a kind of green and sustainable materials.By using ionic liquid (1-butyl-3-methyl imidazole hexafluorophosphate) in liquid phase to strip the hexafluorophosphate,hexagonal boron nitride (BNNS) nanosheet was obtained and filled into PLA.The BNNS/PLA composite material was prepared and its various properties were studied.The results showed that the BNNS/PLA prepared was opaque materials,flame retardant effect was obvious.Along with increasing the content of filler BNNS,the coefficient of thermal conductivity of the BNNS/PLA increased,and a rise in the melting point.When the content of BNNS was 30%,the maximum values were 3.37W/(m·k) and 173.4℃,respectively.When BNNS content was 15%,the maximum tensile properties of 78.3MPa.

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