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Research of Absorbance Method for Detection of CNC Particle Size
Received:August 02, 2022  
DOI：10.11980/j.issn.0254-508X.2023.02.005
Key Words:nanocellulose  particle size  absorbance  CNC mass fraction
Fund Project:浙江省重点研发计划（2020C02043）。
Author NameAffiliationPostcode
SU Defeng College of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 310018
LIU Lu College of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 310018
XING Jialin College of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 310018
ZHAN Weimin Zhejiang Jinchang Specialty Co.， Ltd.， Quzhou，Zhejiang Province， 324400 324400
HUANG Shancong College of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 310018
XIA Xinxing* College of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 310018
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Abstract:In this study， the relationship of absorbance and diameter of cellulose nanocrystal （CNC） was investigated by the suspension absorbance method. The results showed that when the CNC was 0.06 wt% with the test wavelength of 220 nm for 0 h， the absorbance value of CNC dispersion gradually decreased with the increase of CNC particle size. There was a good linear relationship between CNC diameter and absorbance， of which the linear equation was that Y（absorbance）=-0.0054X（CNC diameter）+0.4438， with a linear correlation R2 of 0.9931.
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