基于羟丙基甲基纤维素复合纳米Ca（OH）<sub>2</sub>的纸质档案脱酸加固

doi:10.16065/j.cnki.issn1002-1620.2018.01.020

档案学研究

2018, Vol. 32

Issue (1): 118-122 DOI: 10.16065/j.cnki.issn1002-1620.2018.01.020

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基于羟丙基甲基纤维素复合纳米Ca（OH）₂的纸质档案脱酸加固

凡晓宇, 胡道道, 梁兴唐, 李润梅

陕西师范大学历史文化遗产保护教育部工程研究中心西安 710119

Deacidification and Strengthening of Paper Archives Based on the Composite of Hydroxypropyl Methyl Cellulose and Ca（OH）₂ Nanoparticles

Xiaoyu FAN, Daodao HU, Xingtang LIANG, Runmei LI

Research Center of Historical Cultural and Heritage Conservation Engineering of Ministry of Education, Shanxi Normal University, Xian 710119

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摘要:

以羟丙基甲基纤维素（HPMC）为纳米氢氧化钙的稳定剂和纸质档案的加固剂,制备HPMC稳定的纳米Ca(OH)2醇水分散液（H-C分散液）,用于纸张脱酸加固处理。利用X射线衍射仪、激光粒度仪、紫外—可见分光光度计对H-C分散液进行表征,考察HPMC对纳米Ca(OH)2醇水分散液稳定性的影响;采用扫描电镜、pH计、万能材料试验机、耐折度仪等表征H-C分散液对纸张的脱酸加固作用。结果表明,HPMC可长时间稳定纳米Ca(OH)2醇水分散液;对纳米Ca(OH)2具有裹覆作用,提高其在纸张上的均匀分散并减少纳米Ca(OH)2与纸张直接接触,减轻纳米Ca(OH)2对纸张的影响。H-C分散液在提高纸张pH的同时增强纸张的机械性能,并为纸张提供了一定的碱储量。

Abstract：

Using HPMC as the stabilizer of Ca（OH）₂ nanoparticles and the reinforcement agent of paper archives, the ethanol-water dispersion of Ca（OH）₂ nanoparticles stabilized by HPMC（H-C dispersion）is prepared for the deacidification and strengthening of paper. The Ca（OH）₂ nanoparticles are characterized by XRD. The influence of HPMC on the stability of Ca（OH）₂ nanoparticles dispersion is investigated by UV-Vis and laser particle size instrument. The effect of H-C dispersion on the paper is evaluated by some means such as SEM, pH, universal material testing machine and folding measurement. The results show that HPMC, with a cladding on Ca（OH）₂ nanoparticles, can stabilize the Ca（OH）₂ nanoparticles dispersion for a long time, which improve the distribution of Ca（OH）₂ nanoparticles in the paper and decrease the touch between Ca（OH）₂ nanoparticles and paper cellulose. This alleviates the adverse effect of Ca（OH）₂ nanoparticles to the paper. The H-C dispersion can simultaneously increase the pH of paper and enhance the strength of paper. In addition it provides an appropriate alkaline reserve for the paper.

出版日期: 2018-08-30

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引用本文:

凡晓宇, 胡道道, 梁兴唐, 李润梅. 基于羟丙基甲基纤维素复合纳米Ca（OH）₂的纸质档案脱酸加固[J]. 档案学研究, 2018, 32(1): 118-122.
Xiaoyu FAN, Daodao HU, Xingtang LIANG, Runmei LI. Deacidification and Strengthening of Paper Archives Based on the Composite of Hydroxypropyl Methyl Cellulose and Ca（OH）₂ Nanoparticles. Archives Science Study, 2018, 32(1): 118-122.

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http://journal12.magtechjournal.com/Jwk_dax/CN/10.16065/j.cnki.issn1002-1620.2018.01.020 或 http://journal12.magtechjournal.com/Jwk_dax/CN/Y2018/V32/I1/118

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