title: Adsorption of cationized eucalyptus heteropolysaccharides onto chemical and mechanical pulp fibers.
abstract: Adsorption of native eucalyptus heteropolysaccharides onto bleached softwood and hardwood kraft pulps and bleached CTMP was explored in this work to potentially improve the mechanical properties of the final furnish. It was found that adsorption of native heteropolysaccharides onto softwood kraft pulp was slightly higher than hardwood; however, heteropolysaccharides with low arabinose content were preferentially adsorbed onto the hardwood fibers. Adsorption onto CTMP was the lowest, although the general phenomenon of native absorption was rather low under the applied conditions. A strategy to increase the absorption required cationizing the heteropolysaccharides with 2,3-epoxy propyltrimethylamonium chloride that in general significantly increased the overall phenomenon, again with the same general tendencies as observed for the native adsorption.
authors.affiliation: State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China.
authors.forename: Guichun
authors.initials: G
authors.lastname: Hu
authors.affiliation: State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China. Electronic address: shyfu@scut.edu.cn.
authors.forename: Shiyu
authors.initials: S
authors.lastname: Fu
authors.affiliation: State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China.
authors.forename: Hao
authors.initials: H
authors.lastname: Liu
authors.affiliation: Qilu University of Technology, Key Laboratory of Pulp & Paper Science and Technology of the Ministry of Education, 250353 Jinan, Shandong Province, China; Laboratory of Soft Materials & Green Chemistry, Departments of Chemistry, Forest Biomaterials, North Carolina State University, Raleigh, NC 27695, USA.
authors.forename: Lucian A
authors.initials: LA
authors.lastname: Lucia
mesh_terms: D000327:Adsorption; D001089:Arabinose / Q000737:chemistry; D002412:Cations / Q000737:chemistry; D005052:Eucalyptus / Q000737:chemistry / Q000378:metabolism*; D006997:Hypochlorous Acid / Q000737:chemistry; D011134:Polysaccharides / Q000737:chemistry* / Q000302:isolation & purification; D014934:Wood / Q000737:chemistry
chemical_list: D002412:Cations; D011134:Polysaccharides; D006997:Hypochlorous Acid; D001089:Arabinose
keywords: Bleached hardwood kraft pulp; Bleached softwood kraft pulp; CTMP pulp; Cationized eucalyptus heteropolysaccharides; Eucalyptus heteropolysaccharides