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《Journal of Textile Research》 2009-10
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Photo-grafting modification of PP fiber and its application on immobilization of laccase

HUAN Qingsong,FAN Xuerong,WANG Qiang,WANG Ping,CUI Li(Key Laboratory of Eco-Textiles(Jiangnan University),Ministry of Education, Wuxi,Jiangsu 214122,China)  
In order to improve the biocompatibility of PP fiber to immobilize laccase,photo-induced grafting of methyl methacrylate(MMA) onto PP fibre surface was carried out with benzophenone(BP) as initiator by UV radiation.Fourier transformed infrared spectra of modified PP fiber demonstrated that grafting reaction happened.The influence of initiator dosage,volume fraction of monomer and duration of UV radiation on the grafting percentage was investigated.The preferred modification process of PP fiber was obtained as follows: concentration of benzophenone(BP) initiator,0.3 mol/L;MMA volume fraction,40%(v/v);irradiation time,60 min.Immobilized laccase had some roles in decoloration and stable operation,and thereby the occurrence of grafting reaction was confirmed,while the biocompatibility of PP fiber was improved by enzyme immobilization.
【Fund】: 国家863计划项目(2008AA02Z03)
【CateGory Index】: TQ340.6
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