Synthesis of Phosphazene Oligomers and their Application to Dental Resin

DOI 4 Citations
  • ANZAI Misaki
    Department of Dental Materials, Nihon University School of Dentistry
  • YOSHIHASHI Kazue
    Department of Dental Materials, Nihon University School of Dentistry
  • NARIKAWA Masashi
    Department of Dental Materials, Nihon University School of Dentistry
  • AKASHI Yukio
    Department of Dental Materials, Nihon University School of Dentistry
  • NISHIYAMA Minoru
    Department of Dental Materials, Nihon University School of Dentistry

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  • ホスファゼンオリゴマーの合成と歯科用レジンへの応用

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The properties of synthesized phosphazene oligomers(polyphosphazene linear monomers)mixed with cyclophosphazene monomer and polymerized with a light curing apparatus were examined.〓NP(EMA)2〓n were synthesized by replacing 2 of chlorine(Cl)of polydichlorophosphazene〓NPCl2〓nsynthesized by ring opening polymerization of hexachlorocyclotriphosphazene(P3N3Cl6)with 2-hydroxyethyl methacrylate[HO(CH2)2OOC(CH3)C=CH2](HEMA)and〓NP(TF)1(EMA)1〓n monomer were synthesized by replacing 1 of chlorine with HEMA and trifluoroethanol[HOCH2CF3].The molecular weight of the synthesized oligomers was 6, 500〜8, 000.When two kinds of 10〜30wt% synthesized oligomers were mixed with cyclophosphazene monomer P4N4[OCH2CF3]2[O(CH2)2OOC(CH3)C=CH2]6(4PN(TF)2(EMA)6)and light cured, in the case of 20wt% mixture, mechanical properties were preferable.

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