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Polymers
Volume 16
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10.3390/polym16010112
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Article

High-Thermal Stable Epoxy Resin through Blending Nanoarchitectonics with Double-Decker-Shaped Polyhedral Silsesquioxane-Functionalized Benzoxazine Derivatives

by
Yang-Chin Kao
1,†,
Jing-Yu Lin
2,†,
Wei-Cheng Chen
1,
Mohamed Gamal Mohamed
1,3,
Chih-Feng Huang
4,
Jung-Hui Chen
2,* and
Shiao-Wei Kuo
1,5,*
1
Department of Materials and Optoelectronic Science, Center for Functional Polymers and Supramolecular Materials, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan
2
Department of Chemistry, National Kaohsiung Normal University, Kaohsiung 80201, Taiwan
3
Chemistry Department, Faculty of Science, Assiut University, Assiut 71515, Egypt
4
Department of Chemical Engineering, i-Center for Advanced Science and Technology (iCAST), National Chung Hsing University, Taichung 40227, Taiwan
5
Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
*
Authors to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Polymers 2024, 16(1), 112; https://doi.org/10.3390/polym16010112
Submission received: 14 November 2023 / Revised: 18 December 2023 / Accepted: 27 December 2023 / Published: 29 December 2023
(This article belongs to the Section Polymer Applications)
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Abstract

A series of di-functional benzoxazine (BZ) monomers was synthesized, specifically the double-decker silsesquioxane (DDSQ) cage structure (DDSQ-BZ). Comparative analyses were conducted between DDSQ-BZ monomers and the most commonly utilized bisphenol A-functionalized bifunctional benzoxazine (BPA-BZ) monomer. DDSQ-BZ compounds possess better thermal properties such as high char yield and high thermal decomposition temperature (Td10) after thermal ring-opening polymerization (ROP) because the inorganic DDSQ cage nanostructure features a nano-reinforcement effect. In addition, blending inorganic DDSQ-BZ compounds with epoxy resin was explored to form organic/inorganic hybrids with enhanced thermal and mechanical properties following thermal ROP. The improvement in mechanical properties is primarily attributed to the network structure formed by the cross-linking between DDSQ-BZ and the epoxy resin during thermal ROP, as well as hydrogen bonding interactions formed between the hydroxyl groups generated during thermal ROP and the Si-O-Si bonds in the DDSQ structure.
Keywords: epoxy; benzoxazine; DDSQ; thermal ring polymerization; nanocomposites; thermal stability epoxy; benzoxazine; DDSQ; thermal ring polymerization; nanocomposites; thermal stability
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MDPI and ACS Style

Kao, Y.-C.; Lin, J.-Y.; Chen, W.-C.; Gamal Mohamed, M.; Huang, C.-F.; Chen, J.-H.; Kuo, S.-W. High-Thermal Stable Epoxy Resin through Blending Nanoarchitectonics with Double-Decker-Shaped Polyhedral Silsesquioxane-Functionalized Benzoxazine Derivatives. Polymers 2024, 16, 112. https://doi.org/10.3390/polym16010112

AMA Style

Kao Y-C, Lin J-Y, Chen W-C, Gamal Mohamed M, Huang C-F, Chen J-H, Kuo S-W. High-Thermal Stable Epoxy Resin through Blending Nanoarchitectonics with Double-Decker-Shaped Polyhedral Silsesquioxane-Functionalized Benzoxazine Derivatives. Polymers. 2024; 16(1):112. https://doi.org/10.3390/polym16010112

Chicago/Turabian Style

Kao, Yang-Chin, Jing-Yu Lin, Wei-Cheng Chen, Mohamed Gamal Mohamed, Chih-Feng Huang, Jung-Hui Chen, and Shiao-Wei Kuo. 2024. "High-Thermal Stable Epoxy Resin through Blending Nanoarchitectonics with Double-Decker-Shaped Polyhedral Silsesquioxane-Functionalized Benzoxazine Derivatives" Polymers 16, no. 1: 112. https://doi.org/10.3390/polym16010112

APA Style

Kao, Y.-C., Lin, J.-Y., Chen, W.-C., Gamal Mohamed, M., Huang, C.-F., Chen, J.-H., & Kuo, S.-W. (2024). High-Thermal Stable Epoxy Resin through Blending Nanoarchitectonics with Double-Decker-Shaped Polyhedral Silsesquioxane-Functionalized Benzoxazine Derivatives. Polymers, 16(1), 112. https://doi.org/10.3390/polym16010112

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