Synthesis of a novel UV-curable prepolymer neopentyl glycol diglycidyl ether diacrylate and its cured film tensile property |
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| Authors: | Bi-wu Huang Bo-fen Huang Wei-qing Chen Zhi-qiang Ouyang |
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| Institution: | School of Material Science and Engineering, Nanchang University, Nanchang 330031, P. R. China |
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| Abstract: | A novel UV-curable prepolymer neopentyl glycol diglycidyl ether diacrylate(NPGGEA)was synthesized by using neopentyl glycol diglycidyl ether(NPGGE)and acrylic acid(AA)as starting materials, N, N-dimethylbenzylamine as catalyst and p-hydroxyanisole as inhibitor. The optimum synthetic conditions were taken as follows: The concentration of N,N-dimethylbenzylamine, 0.80% of reactants; the concentration of p-hydroxyanisole, 0.3% of reactants; the reaction temperature, 90-110℃; the molar ratio of NPGGE to AA, 1:2.2. Meanwhile, 1-hydroxycyclohexyl phenyl ketone of a UV-cured initiator was added to the synthesized NPGGEA to prepare a kind of UV-cured coating. Mechanical properties of the UV-cured films were determined, giving 28.75 MPa of tensile strength, 923.82 MPa of Young's modulus and 5.51% of elongation at tear. |
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| Keywords: | synthesis neopentyl glycol diglycidyl ether diacrylate(NPGGEA) acrylic acid(AA) UV-curable prepolymer film |
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