Synthesis of Acid Dyeable Acrylonitrile Copolymer

Yazhen Wang College of Material Science and Engineering, Donghua University, Shanghai, P. R. China; College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, P. R. China

Xinyuan Shen College of Material Science and Engineering, Donghua University, Shanghai, P. R. ChinaCorrespondence[email protected]

Yue Gao College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, P. R. China

Xiaohua Gu College of Material Science and Engineering, Donghua University, Shanghai, P. R. China; College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, P. R. China

Qingbin Wang College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, P. R. China

In this paper, a unique and updated technique was applied to obtain an acid dyeable copolymer of acrylonitrile by solution polymerization of acrylonitrile, and a kind of alkaline monomer F (N,N‐dialkylaminoethylacrylate). Azodiisobutyronitrile (AIBN) was used as initiator to prepare the copolymer in sodium sulfocyanate aqueous solution. The effect of initiator concentration on the polymer's molecular weight and conversion during polymerization was studied. The relation between concentration of the alkaline monomer F and the polymer conversion, as well as the relation between concentration of the alkaline monomer F and the % dye‐uptake of the copolymer are discussed. The influence of pH was also researched. The structure of the copolymer was characterized by IR and NMR. The copolymer has excellent acid dyeable characteristics.

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Acknowledgements

This work was financially supported by the Heilongjiang Province Education Ministry, China.

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