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The effect of gelation sequence on the mechanical properties of plasticized polyurethane-poly(glycidyl methacrylate) simultaneous interpenetrating network

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Summary

The simultaneous interpenetrating network samples with different gelation sequences based on plasticized polyurethane(PU) and poly(glycidyl mechacrylate)(PGMA) were prepared by changing the PU catalyst. The kinetics of network formation was monitored by FTIR. The obtained samples with different gelation sequences show opposite physical and mechanical properties. The sample with PU gelling first is transparent and brittle, while the sample with PGMA gelling first is opaque and highly elastic. The transmission electron microscopy(TEM) and dynamic mechanical analysis(DMA) methods were used to investigate the microstructures of these samples from different aspects to explain their completely different properties.

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Authors and Affiliations

  1. School of Chemical Engineering and Material Science, Beijing Institute of Technology, Beijing 100081, P. R. China, , , , , , CN

    Yiqun Liu, Zhengmao Zhu, Tongzhai Gao & Huimin Tan

Authors
  1. Yiqun Liu
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  2. Zhengmao Zhu
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  3. Tongzhai Gao
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  4. Huimin Tan
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Additional information

Received: 25 August 1998/Revised version: 17 November 1998/Accepted: 24 November 1998

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Liu, Y., Zhu, Z., Gao, T. et al. The effect of gelation sequence on the mechanical properties of plasticized polyurethane-poly(glycidyl methacrylate) simultaneous interpenetrating network. Polymer Bulletin 42, 93–99 (1999). https://doi.org/10.1007/s002890050439

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  • DOI: https://doi.org/10.1007/s002890050439

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