文献类型：期刊文献

中文题名：六方氮化硼增强低蛋白天然橡胶胶乳的性能

英文题名：Properties of hexagonal boron nitride reinforced low-protein natural rubber latex

作者：郭会青[1];田晓慧[1];孙金煜[1];元以中[1]

机构：[1]华东理工大学材料科学与工程学院,上海200237

年份：2021

卷号：44

期号：5

起止页码：393

中文期刊名：合成橡胶工业

外文期刊名：China Synthetic Rubber Industry

收录：CSTPCD;;Scopus;北大核心:【北大核心2020】；

基金：中央高校基本科研业务费资助项目(22 A 201514002)。

语种：中文

中文关键词：天然橡胶胶乳;六方氮化硼;γ-聚谷氨酸;过敏;分散性;导热性能

外文关键词：natural rubber latex;hexagonal boron nitride;γ-polyglutamic acid;allergy;dispersivity;thermal conductivity

摘要：采用机械共混法,以低蛋白天然橡胶胶乳(LPNRL)为基体,六方氮化硼(h-BN)为导热填料,并加入γ-聚谷氨酸(γ-PGA),制备了γ-PGA/h-BN/LPNRL复合材料。结果表明,γ-PGA提高了h-BN在水中以及LPNRL基体中的分散性。在LPNRL基体中加入质量分数分别为1.5%和15.0%的γ-PGA和h-BN时,γ-PGA/h-BN/LPNRL复合膜的热导率达到0.634 W/(m·k),是纯LPNRL膜热导率的4.77倍,且复合膜的拉伸强度提高到8.06 MPa,是纯LPNRL膜的3.10倍,扯断伸长率降至980%。h-BN的加入使得复合膜的热稳定性和拉伸强度均大幅提高。
Using low-protein natural rubber latex(LPNRL)as the matrix,hexagonal boron nitride(h-BN)as the thermally conductive filler,and addingγ-polyglutamic acid(γ-PGA),theγ-PGA/h-BN/LPNRL composite films were prepared by mechanical blending.The results showed thatγ-PGA could improve the dispersion of h-BN in water and LPNRL matrix.When the mass fraction ofγ-PGA and h-BN were 1.5%and 15.0%,the thermal conductivity of theγ-PGA/h-BN/LPNRL composite films increased to 0.634 W/(m·K),which was 4.77 times greater than that of pure LPNRL film.The tensile strength of the composite films increased to 8.06 MPa,which was 3.10 times stronger than that of the pure LPNRL film,and the elongation at break was reduced to 980%.The addition of h-BN could significantly improve the thermal stability and tensile strength of the composite films.