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Synthesis and modification of trifunctional epoxy resin with amine terminated polydimethyl siloxanes for semiconductor encapsulation application

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Abstract

Epoxy resins based on the triglycidyl ether of tris(hydroxyphenyl)methane (TETM) possess a very high heat distortion temperature and superior thermal oxidative stability over other types of epoxy resins. The high performance trifunctional epoxy resin (TETM) was synthesized by the condensation of a hydroxybenzaldehyde with phenol followed by epoxidation with a halohydrin. The structure of the synthesized TETM was confirmed by infrared (IR), mass spectra (MS), and nuclear magnetic resonance (NMR) spectroscopy. Amine terminated polydimethylsiloxanes (ATPDMS) were used to reduce the stress of trifunctional epoxy resin cured with phenolic novolac resin for electronic encapsulation applications. The dispersed silicone rubbers effectively reduce the stress of cured epoxy resins by reducing the coefficient of thermal expansion (CTE) and flexural modulus, while the glass transition temperature (Tg) is depressed by only a small amount.

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Authors and Affiliations

  1. Department of Industrial Safety and Hygiene, China Junior College of Medical Technology, 717, Tainan, Taiwan, Republic of China

    Jeng-Yueh Shieh

  2. Department of Chemical Engineering, National Kaohsiung Institute of Technology, 807, Kaohsiung, Taiwan, Republic of China

    Tsung-Han Hoe

  3. Department of Chemical Engineering, National Cheng Kung University, 701, Tainan, Taiwan, Republic of China

    Chun-Shan Wang

Authors
  1. Jeng-Yueh Shieh
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  2. Tsung-Han Hoe
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  3. Chun-Shan Wang
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Shieh, JY., Hoe, TH. & Wang, CS. Synthesis and modification of trifunctional epoxy resin with amine terminated polydimethyl siloxanes for semiconductor encapsulation application. J Polym Res 3, 125–131 (1996). https://doi.org/10.1007/BF01492903

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