| ZHENG Liang,SUN Jian-ming,JIN Jun.Application of A Novel Nano Conservation Technology for Paper Cultural Relic and Archives[J],46(7):201-207 |
| Application of A Novel Nano Conservation Technology for Paper Cultural Relic and Archives |
| Received:February 14, 2017 Revised:July 20, 2017 |
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| DOI：10.16490/j.cnki.issn.1001-3660.2017.07.034 |
| KeyWord:vacuum nano coating polymer water contact angle cultural relics preservation archives preservation cultural relics waterproof hydrophobic water repellent |
| Author | Institution |
| ZHENG Liang |
Beijing Jia Run Power Tech., Co., Ltd JRP, Beijing , China |
| SUN Jian-ming |
Beijing Jia Run Power Tech., Co., Ltd JRP, Beijing , China |
| JIN Jun |
Beijing Jia Run Power Tech., Co., Ltd JRP, Beijing , China |
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| Abstract: |
| The work aims to improve properties of paper relics and archives including water proofing, acid proofing and aging resistance. Samples were put into JRP’s coating equipment, then nano protective film was formed on the surface of samples by performing vacuum polymerization to chemical raw materials under conditions of vacuum, temperature, electric field and magnetic field. Properties of the samples including water proofing, acid proofing, aging resistance and tear resistance were evaluated, respectively by performing such tests as chromatic value before and after aging, water contact angle, fold resistance, tensile strength and immersion in seawater. Meanwhile, the prepared nano protective polymerized film of nanoscale thickness was tested and analyzed using SEM. The chromatic aberration of coated paper changed slightly under following conditions: before and after hydrothermal aging, ultraviolet aging and acid rain aging. Average water contact angle on front and back side of the coated Chinese art paper was over 90° while that of uncoated paper was 0°, the latter was in the state of complete wetting. SEM photos showed that the macro-size of paper fiber did not change, and no holes between the fiber was blocked. Fold resistance test showed that longitudinal folding strength of the paper could be improved slightly by coating. Tensile strength test showed that crosswise tensile strength of the coated paper was apparently higher than that of the original paper. Acid etching test and seawater immersion test showed that the coated ones exhibited better acid proofing and seawater corrosion resistance than uncoated ones. Coating has no effect on paper color, it can maintain original appearance of paper color while reducing effects of hydrothermal aging and ultraviolet aging to a certain extent. Coating provides good waterproof and hydrophobic functions for the paper, and can improve folding strength and tensile strength of the paper to a certain extent. The acidproof and seawater corrosion resistant coating film protects the substrate. |
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