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Study on Retention and Immobilization of Organic Pigments on Paper Yarn Original Paper by Nanocellulose
Received:December 21, 2022  
DOI：10.11980/j.issn.0254-508X.2023.04.010
Key Words:nanocellulose  paper yarn original paper  organic pigment  retention  color fastness
Author NameAffiliationPostcode
WEN Yabing College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
XIU Huijuan College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
WANG Zhixiong College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
CUI Yuxin College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
DENG Zili College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
JIANG Feng Zhejiang Shunpu New Material Technology Co.， Ltd.， Quzhou， Zhejiang Province， 324400） （*E-mail： lijinbao@sust. edu. cn 324400
YAN Jinying Zhejiang Shunpu New Material Technology Co.， Ltd.， Quzhou， Zhejiang Province， 324400） （*E-mail： lijinbao@sust. edu. cn 324400
LI Jinbao* College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
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Abstract:The effects of cellulose nanofibril （CNF） and cationic cellulose nanofibril （C-CNF） on the retention and immobilization of organic pigments were mainly explored in this paper. The results showed that the nanocellulose could form an envelope with organic pigment particles， and the retention and immobilization of pigment were obviously improved. The effect of C-CNF was better with the optimum addition amount of 1.2%， and the pigment retention rate was 46.6%， the rubbing color fastness of paper yarn original paper was 4.2， the tensile index was 31.7 N·m/g. Compared with paper without nanocellulose， the pigment retention rate increased by 33.5%； the rubbing color fastness increased by 2.2 grades and the tensile index increased by 32.1%.
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