Impact of Filler Aspect Ratio on Oxygen Transmission and Thermal Conductivity using Hexagonal Boron Nitride-Polymer Composites

被引：3
|
作者：
Shin, Haeun [1 ,2 ]
Kim, Chae Bin [3 ]
机构：
[1] Korea Inst Sci & Technol, Inst Adv Composite Mat, Wonju 55324, South Korea
[2] Gwangju Inst Sci & Technol, Sch Mat Sci & Engn, Gwangju 61005, South Korea
[3] Pusan Natl Univ, Dept Polymer Sci & Engn, Busan 46241, South Korea
来源：
COMPOSITES RESEARCH | 2021年 / 34卷 / 01期
关键词：
Thermal conductivity; Polymer matrix; Hexagonal boron nitride; Composite material; CARBON NANOTUBES; ALIGNMENT; MANAGEMENT; MATRIX; FILMS; NANOCOMPOSITE; POLYIMIDE; GRAPHITE;
D O I：
10.7234/composres.2021.34.1.063
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
In order to develop an integrated heat dissipating material and gas barrier film for electronics, new polymer was designed and synthesized for preparing composites containing hexagonal boron nitride (hBN) filler. Depending on the size and content of the hBN filler, both thermal conductivity and oxygen transmission rate can be adjusted. The composite achieved a high thermal conductivity of 28.0 W.m(-1).K-1 at most and the oxygen transmission rate was decreased by 62% compared to that of the filler free matrix. Effective filler aspect ratios could be estimated by comparing thermal conductivity and oxygen transmission rate with values predicted by theoretical models. Discrepancy on the aspect ratios extracted from thermal conductivity and oxygen transmission rate comparisons was also discussed.
引用
收藏
页码：63 / 69
页数：7
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