Characterization of Carboxymethyl Cellulose Made from Bamboo Harvesting Residues

查看全文 作　　者：Shuangyan [1]Zhang;Shun [1]Yang;Chuangui [1]Wang;Weiyi [1]Su;Huangfei [1]Lv;Yuanyuan [1]Li

机构地区：[1]School of Forestry and Landscape Architecture,Anhui Agricultural University,Hefei,230036,China

出　　处：《Journal of Renewable Materials》索引2022年第10卷第12期,共13页

基　　金：This work is supported by the National Forestry and Grassland Administration/Beijing Open Fund of Key Laboratory of Bamboo and Rattan Science and Technology(Grant No.ICBR-2020-10);University Scientific Research Project of Anhui Province(Grant No.KJ2020A0130). 摘　　要：Bamboo harvesting residues are wastes by-products of bamboo industries that contain holocellulose for about 63.14%to 70.71%,which often be discarded,incinerated or buried.In this study,carboxymethyl cellulose was prepared from bamboo harvesting residues(bamboo-branch and bamboo-tip)as raw materials.The chemical composition of bamboo harvesting residues,the viscosity and degree of substitution of carboxymethyl cellulose were determined.Carboxymethyl cellulose obtained was further characterized and compared by means of FTIR,SEM,XRD and TG.Results showed that under the optimized identical conditions,the viscosity and degree of substitution of carboxymethyl cellulose from bamboo-branch and bamboo-tip were 6.0 and 78.9 mPa·s,0.75 and 0.89,respectively.Carboxymethyl cellulose obtained from bamboo-tip displayed a lower crystallinity and a better thermal stability as compared to synthetic carboxymethyl cellulose obtained from bamboo-branch and bamboo-culm. 关键词：Bamboo harvesting residues bamboo-branch bamboo-tip carboxymethyl cellulose CHARACTERIZATION

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Characterization of Carboxymethyl Cellulose Made from Bamboo Harvesting Residues

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