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Effect of Cellulose Nanocrystal on Coating Properties of Thermal Sublimation Transfer Paper
Received:August 11, 2023  
DOI：10.11980/j.issn.0254-508X.2024.02.008
Key Words:CMC  SiO2  CNC  thermal sublimation transfer paper  color density value
Fund Project:浙江省重点研发计划（2020C02043）。
Author NameAffiliationPostcode
刘路 浙江理工大学纺织科学与工程学院（国际丝绸学院），浙江杭州，310018 310018
黄善聪 浙江理工大学纺织科学与工程学院（国际丝绸学院），浙江杭州，310018 310018
刘可欣 浙江理工大学纺织科学与工程学院（国际丝绸学院），浙江杭州，310018 310018
夏桂玲 衢州 东大复合材料科技有限公司，浙江衢州，324400 324400
蒋文燕 浙江科技大学环境与资源学院， 浙江杭州，310023 310023
夏新兴* 浙江理工大学纺织科学与工程学院（国际丝绸学院），浙江杭州，310018 310018
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Abstract:In this paper， cellulose nanocrystal （CNC） suspension was prepared by acid hydrolysis method and added to SiO2/carboxyl methyl cellulose （CMC ） coating to prepare a bio-based coating for thermal sublimation transfer paper. The results showed that CNC had a certain dispersion effect on SiO2/CMC agglomeration. Compared with SiO2/CMC coated thermal sublimation transfer paper， the transverse and longitudinal tensile fingers of SiO2/CMC/CNC coated thermal sublimation transfer paper with CNC content of 2.0% increased by 9.2% and 9.3% ， the smoothness increased by 31.9%， and the air permeability decreased by 46.0%. The ink absorption value decreased by 3.4% and drying speed increased by 24.3%， the average color density of substrate increased from 1.01 to 1.21， and the ink transfer rate increased from 80.1% to 88.5%. It could be seen that the addition of CNC improved the mechanical and thermal transfer performance of thermal sublimation transfer paper.
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