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Novel flame retardant epoxy resins I: Synthesis, characterization, and properties of aryl phosphinate epoxy ether cured with diamine

I: Synthesis, characterization, and properties of aryl phosphinate epoxy ether cured with diamine

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Summary

A novel aryl phosphinate epoxy ether, 10-(2',5'-bis(glycidyloxy)phenyl)-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DHQEP), was synthesized. The structures of the obtained compounds were confirmed by mass, FTIR, 1H, 13C, 31P-NMR spectroscopies, elemental analysis, and X-ray single crystal analysis. In addition, compositions of DHQEP with common curing agents, e.g., 4,4'-diaminodiphenylmethane (DDM), 4,4'-diaminodiphenyl sulfone (DDS), and dicyanodiamide (DICY), were studied to compare their thermal and flame resistance with that of commercial epoxy resins. The aryl phosphinate epoxy-resin composites exhibited excellent thermal properties and a quite high limiting oxygen index (LOI) value as well as high char yield. Aryl phosphinate epoxy ether is shown to be an effective flame retardant and thermal stabilizer for epoxy resins.

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Authors and Affiliations

  1. Department of Chemical Engineering, National Taiwan University, 1 Roosevelts Road, Sec. 4, Taipei, Taiwan 10617, R.O.C., , , , , , TW

    Ching-Sheng Cho & Leo-Wang Chen

  2. Chemical Systems Research Division, Chung-Shan Institute of Science and Technology, Lungtan, Tauyuan, Taiwan 32526, R.O.C., , , , , , TW

    Yie-Shun Chiu

Authors
  1. Ching-Sheng Cho
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  2. Leo-Wang Chen
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  3. Yie-Shun Chiu
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Received: 13 April 1998/Revised version: 8 May 1998/Accepted: 11 May 1998

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Cho, CS., Chen, LW. & Chiu, YS. Novel flame retardant epoxy resins I: Synthesis, characterization, and properties of aryl phosphinate epoxy ether cured with diamine. Polymer Bulletin 41, 45–52 (1998). https://doi.org/10.1007/s002890050331

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  • DOI: https://doi.org/10.1007/s002890050331

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