The Synthesis of Cyclodextrin Derivatives with Ethilenic Bond and Their Application on Silk |
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| Authors: | FANG Xi HUANG Liang-chen ZHAO Shu-hui HUANG Fang |
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| Institution: | College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China ;National Engineering Research Center for Dyeing and Finisshing of Textiles, Donghua University, Shanghai 201620, China |
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| Abstract: | The cyclodextrin (CD) derivatives with ethilenic bonds mono-(2-O-tosyl)-6-acryloyl-β-cyclodextrin (β-CD-2-OTs-6-A) and 6-acryloyl-β-cyclodextrin (β-CD-6-A) were respectively synthesized.β-CD-2-OTs-6-A was prepared by the reaction propylene chloride with β-CD-2-OTs.β-CD-6-A was synthesized by the reaction propylene chloride with β-CD.The most suitable pH value for β-CD-6-A grafted onto silk fabric was proved to be 5.The optimal condition for grafting β-CD-2-OTs-6-A onto silk was proved:monomer concentration of 20％ on weight of fabric ( o.w.f),potassium persulfate of 1.85％ o.w.f,liquor ratio of 1:50,pH=5,and treated 30 min at80 C.Compared with β-CD-6-A,the grafting reaction has a higher graft yield while β-CD-2-OTs-6-A acts as the monomer. |
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| Keywords: | propylene chlooride cyclodextrin graft silk |
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