Synthesis and characterization of eugenol-based silicone modified waterborne polyurethane with excellent properties |
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| Authors: | Xiaojing Zhang Yuquan Cai Xianwei Zhang Tariq Aziz Hong Fan Carla Bittencourt |
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| Affiliation: | 1. State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China;2. Center of Innovation and Research in Materials and Polymers (CIRMAP), University of Mons, Mons, Belgium |
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| Abstract: | A eugenol-based silicone-containing monomer 4,4′-(1,1,3,3-tetramethyldisiloxane-1,3-dipropyl)bis-2-methoxyphenol(EUSi) was synthesized from eugenol and 1,1,3,3-tetramethyldisiloxane via the hydrosilylation reaction. And waterborne polyurethane (WPU) with excellent properties was obtained by using EUSi as a type of diol chain extender. The unique combination of rigidity and flexibility in the chemical structure of EUSi greatly facilitated the mechanical properties, thermal properties, and water resistance of WPU. With only a 3% dosage of EUSi, the maximum tensile strength was increased from 6.2 to 22.4 MPa, while the water absorption was decreased from 31.3% to a surprisingly 7.6%. Our work provides a new convenient strategy for the preparation of organosilicon-modified WPU with improved performance. |
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| Keywords: | biomaterials mechanical properties polyurethane synthesis and processing techniques |
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