| 刘路,黄善聪,刘可欣,夏桂玲,蒋文燕,夏新兴.纤维素纳米晶体对热升华转印纸涂层性能影响研究[J].中国造纸,2024,43(2):59-64 |
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| 纤维素纳米晶体对热升华转印纸涂层性能影响研究 |
| Effect of Cellulose Nanocrystal on Coating Properties of Thermal Sublimation Transfer Paper |
| 收稿日期:2023-08-11 |
| DOI:10.11980/j.issn.0254-508X.2024.02.008 |
| 关键词: 羧甲基纤维素钠 SiO2 CNC 热升华转印纸 色密度值 |
| Key Words:CMC SiO2 CNC thermal sublimation transfer paper color density value |
| 基金项目:浙江省重点研发计划(2020C02043)。 |
| 作者 | 单位 | 邮编 | | 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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| 摘要:本研究通过酸水解法制备纤维素纳米晶体(CNC)悬浮液,将其加入SiO2/羧甲基纤维素钠(CMC)涂料中,形成一种热升华转印纸生物基涂层。结果表明,CNC对SiO2/CMC团聚具有一定的分散作用。与SiO2/CMC涂层的热升华转印纸相比,CNC添加量为2.0%的SiO2/CMC/CNC涂层的热升华转印纸纵、横向抗张指数分别提高了9.2%、9.3%,平滑度提高了31.9%,透气度下降了46.0%,油墨吸收值下降了3.4%、干燥速度提高了24.3%,承印物平均色密度值由1.01升高至1.21,油墨转移率由80.1%升高至88.5%。由此可见,CNC添加提高了热升华转印纸的机械和热转印性能。 |
| 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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