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| Performance of Dialdehyde Carboxymethy Chitosa-Cationic Starch as Paper Strengthening |
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| DOI：10.11980/j.issn.0254-508X.2015.09.002 |
| Key Words:carboxymethyl chitosan dialdehyde carboxymethyl chitosan cationic starch strengthening agent enhancement mechanism |
| Fund Project:国家自然科学基金(31270633)；江苏高校优势学科建设工程资助项目。 |
| Author Name | Affiliation | | 王 萍1,2 | 1.江南大学纺织服装学院造纸研究室,江苏无锡,214122；2.江南大学生态纺织教育部重点实验室,江苏无锡,214122 | | 龙 柱1,2,* | 1.江南大学纺织服装学院造纸研究室,江苏无锡,214122；2.江南大学生态纺织教育部重点实验室,江苏无锡,214122 |
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| Abstract:Dialdehyde carboxymethyl chitosan(DCMCS)was prepared by the selective oxidation of carboxymethyl chitosan (CMCS). A new paper strengthening agent carboxymethyl chitosan-cationic starch (CS) was prepared by composite reaction. Research showed that a good strengthening result was obtained when the charge of DCMCS-CS was 0.6%. The strength of the paper was the best compared with adding the same dosage of the single additives or DCMCS-CS. SEM showed that DCMS-CS could efficiently increase fiber bonding strength and bonding the area between the fibers, sequentially increase the strength of paper sheets. |
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