Preparation of cellulose graft copolymer based on the combination of ionic liquids and microwave heating
作者： L. Dan-hui , L. Wei , W. Yu-zhen , L. Chun-xiang , D. Chao-yang
DOI: 10.1179/1432891714Z.0000000001153
关键词:
摘要: AbstractCellulose is a promising raw material that can be modified through variety of chemical modifications to obtain many functional materials. Cellulose-g-acrylamide copolymer was prepared in homogeneous medium by using N,Nʹ-methylenebisacrylamide as the crosslinker without any radical initiator microwave radiation. The 1-butyl-3-methylimidazolium chloride ionic liquid, which an environmentally friendly and effective reaction medium, chosen dissolve cellulose graft polymerisation acrylamide onto cellulose. Owing effects heating, time significantly shortened: 1 minute heating adequate, compared 30 minutes 5 hours with conventional method. influences monomer concentration, dosage, power were investigated. obtained characterised infrared spectrum, thermogravimetric analysis scanning electron microscopy....
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