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Citation: WANG Rui-Ling, JIAN Xi-Gao, ZHU Xiu-Ling, ZHANG Shou-Hai, ZHU Gui-Ru, Hu Zheng. Synthesis and Property of Polyamides Containing o-Methyl Phthalazone Moities[J]. Chinese Journal of Applied Chemistry, ;2001, 18(5): 404-407. shu

Synthesis and Property of Polyamides Containing o-Methyl Phthalazone Moities

1.
Department of Polymer Material, Dalian University of Science and Technology, Dalian 116012

Received Date: 21 December 2000
Available Online: 5 April 2001
Fund Project: 国家自然科学基金资助项目(59473019) (59473019)

1,2-Dihydro-2-(4-carboxylphenyl)-4-[4-(4-carboxylphenoxy)-3-methylphenyl]-phthalazin-1-one, a diacid monomer containing phthalazone moiety and arylene dianimes were used to synthesize polyamides. The monomer and polymers were studied by FT-IR, ¹H NMR techniques. The polyamides obtained were soluble in polar aprotic solvents such as DMAc, NMP and had inherent viscosity of 1.25~1.58 dL/g (25℃, NMP). The T_g of the polyamides were above 280℃. The polyamide films had tensile strength 85~90 MPa, elongation at break 7%~11% tensile modulus 0.9~1.3 GPa, and the coefficient of electrical resistantce 10¹⁴~10¹⁶.
- polyamide,
- phthalazone,
- physical property,
- synthesis
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