Study on Graft Copolymerization of Ramie Noil Fiber and MMA

In htis paper,reaction of ramie noil fiber and methyl methacrylate graft copolymerization was studied,which was initated by cerium ammonium nitrate.The relationship between ratio of graft and cerous ion concentration,monomer concentration,temperature of reaction were discussed.The experiment showed that graft ration of ramie noil fiber was 187%,when temperature was 45℃,concentration of monomer was 1\^5mol/L,concentration of initiator was 4×10 -3 mol/L.The remained ratio of single fiber strength of grafted fiber was 76\^9%.The contact angle between fiber and epoxy resin, phenolics was decreased and equilibrate water absorption was relieved.