文献类型：期刊文献

中文题名：聚三唑树脂/氮化硼纳米片复合材料的制备与性能

英文题名：Preparation and Properties of Polytriazole Resin/Boron Nitride Nanosheet Composites

作者：张雨[1];李瑜婧[2];万里强[1];黄发荣[1];刘坐镇[3]

机构：[1]华东理工大学材料科学与工程学院,特种功能高分子材料及相关技术教育部重点实验室,上海210046;[2]上海卫星装备研究所,上海201100;[3]华东理工大学华昌聚合物有限公司,上海201100

年份：2024

卷号：38

期号：8

起止页码：262

中文期刊名：材料导报

外文期刊名：Materials Reports

收录：CSTPCD;;EI(收录号：20241916036639);Scopus;北大核心:【北大核心2023】；CSCD:【CSCD2023_2024】；

基金：中央高校基本科研业务费专项资金(JKD01221701)。

语种：中文

中文关键词：聚三唑树脂;复合材料;氮化硼纳米片;耐热性;导热性

外文关键词：polytriazole resin;composite material;boron nitride nanosheets;heat resistance;thermal conductivity

摘要：采用六方氮化硼(h-BN)、蔗糖和尿素以干法球磨的方式高产率制备了氨基和羟基功能化的氮化硼纳米片(BNNS-AH),对BNNS-AH进行了详细的表征,制备的BNNS-AH的厚度为1.5 nm,层数为4~6,平均直径约为1.5μm,产率可达91.0%,在水中稳定的分散液浓度可达30 mg/mL。然后以共混的方法制备了聚三唑树脂/氮化硼纳米片复合材料(PTA树脂/BNNS-AH复合材料),并研究了BNNS-AH的添加量对PTA树脂/BNNS-AH复合材料热性能的影响。结果表明:与PTA纯树脂相比,复合材料的玻璃化转变温度(T_(g))、质量失重5%时的温度(T_(d5))、导热系数均有明显提升,其中当BNNS-AH质量分数为3.0%时,复合材料的T_(g)达到243℃,提高了32℃;T_(d5)达到362℃,提高了19℃;导热系数为0.33 W·m^(-1)·K^(-1),提高了64.5%。
Amino-and hydroxyl-functionalized boron nitride nanosheets(BNNS-AH)were prepared in high yield by dry ball milling using hexagonal boron nitride(h-BN),sucrose and urea.The thickness of the BNNS-AH is about 1.5 nm,the number of layers is 4—6,the average diameter is about 1.5μm,the yield can reach 91.0%,the stable dispersion concentration in water can reach 30 mg/mL.Then polytriazole resin/boron nitride nanosheet(PTA resin/BNNS-AH)composites were prepared by blending method.And the effect of BNNS-AH addition on PTA resin/BNNS-AH composites was studied.The results show that compared with the pure PTA resin,the T_(g),T_(d5) and thermal conductivity of the composite are significantly improved.When the mass fraction of BNNS-AH is 3.0wt%,the T_(g) of the composite reaches 243℃,an increase of 32℃;T_(d5) reaches 362℃,an increase of 19℃;the thermal conductivity is 0.33 W·m^(-1)·K^(-1),an increase of 64.5%.