Graft Copolymerization of Nylon 66 with Methyl Methacrylate——Using Dimethylaniline CuSO4 Initiator System

Abstract

Abstract: The ability of dimethylaniline(DMA)/CuSO₄ initiator to induce grafting of methyl methacrylate(MMA) onto nylon 66 was investigated under different conditions.It was found that copolymerization reaction is greatly influenced by the temperature and time of the reaction, concentrations of MMA and DMA.The graft yield increases as the monomer concentration increases, there are optimal concentrations of DMA and Cu²⁺ ion, below or above these concentrations, lower grafting occurs.Raising the reaction temperature and increasing reaction time favorably influence grafting.The types of cupric salt also affect grafting to varying degrees.Addition of acetic acid enhances grafting, whereas formic acid decreases grafting.

Key words: Nylon 66, Methyl methacrylate, Copolymerization

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WANG Yu-dong, ZHAO Qing-xiang, LIU Min-ying, LI Qing, LIU Xiao-hua, LI Xiang-kui . Graft Copolymerization of Nylon 66 with Methyl Methacrylate——Using Dimethylaniline CuSO₄ Initiator System[J]. Chem. J. Chinese Universities, 1992, 13(7): 1010.

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Graft Copolymerization of Nylon 66 with Methyl Methacrylate——Using Dimethylaniline CuSO₄ Initiator System

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