Preparation of planar and hydrophobic benzocyclobutene‐based dielectric material from biorenewable rosin,Journal of Applied Polymer Science

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Preparation of planar and hydrophobic benzocyclobutene‐based dielectric material from biorenewable rosin
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2019-12-16 , DOI: 10.1002/app.48831
Fei Fu _{1,

2} , Dan Wang _{1,

3} , Minggui Shen _{1,

3} , Shibin Shang _{1,

3} , Zhanqian Song ₁ , Jie Song ₄

Affiliation

A rosin‐based monomer with thermally crosslinkable benzocyclobutene groups was synthesized in this study. The structure of the monomer was examined using mass spectroscopy, Fourier transform infrared spectroscopy, and nuclear magnetic resonance spectroscopy. An amorphous crosslinked network with dielectric constant of 2.71 and dielectric loss of 0.0012 at 30 MHz was formed when the monomer was polymerized at high temperature (> 200 °C). The polymer film exhibits surface roughness (Ra) of 0.337 nm in a 5.0 × 5.0 μm² area and the water contact angle of 110°. In addition, results from thermogravimetric analysis indicate that the polymer has T_5% = 402 °C, and differential scanning calorimetry measurements show that the glass transition temperature is at least 350 °C. Results from nanoindentation tests show that the hardness and Young's modulus of the polymer are 0.418 and 4.728 GPa, respectively. These data suggest that this new polymer may have potential applications in electronics and microelectronics. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48831.

中文翻译：

用生物可再生松香制备平面和疏水的苯并环丁烯基介电材料

本研究合成了具有可热交联苯并环丁烯基的松香基单体。使用质谱，傅里叶变换红外光谱和核磁共振光谱检查单体的结构。当单体在高温（> 200°C）下聚合时，形成了介电常数为2.71，介电损耗为0.0012的非晶态交联网络。在5.0×5.0微米0.337纳米的聚合物膜显示出表面粗糙度（Ra）²区和110°的水接触角。另外，热重分析的结果表明该聚合物的T为_5％＝ 402℃，差示扫描量热法测量表明玻璃化转变温度至少为350℃。纳米压痕测试的结果表明，该聚合物的硬度和杨氏模量分别为0.418和4.728 GPa。这些数据表明，这种新型聚合物可能在电子和微电子领域具有潜在的应用。分级为4 +©2019 Wiley Periodicals，Inc.J.Appl。Polym。科学 2020，137，48831。

更新日期：2020-03-27

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