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| 水彩画纸吸收性评价方法的建立 |
| Establishment of Absorption Capacity Evaluation Method for Watercolor Paper |
| 收稿日期：2021-12-30 |
| DOI：10.11980/j.issn.0254-508X.2022.06.008 |
| 关键词: 水彩画纸 吸收性 Cobb值 接触角 动态渗透 |
| Key Words:watercolor paper absorption capacity Cobb value contact angle dynamic permeability |
| 基金项目: |
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| 摘要:本研究采用7种不同的吸收性检测方法对6种吸收性不同的水彩画纸样品进行了检测分析，制定了一套适用于全面判定水彩画纸吸收性的检测方法。结果表明，墨水划线法、液体渗透法、表面吸收度法和赫克力士施胶度法均不适宜测试水彩画纸的吸收性；水彩画纸的吸收性可通过Cobb法、接触角法和动态渗透法综合评定，当纸张Cobb（60）值在（20±4） g/m2范围内时，接触角在30 min之内变化应较小，1200 s动态渗透曲线所表示的渗透速率应较快。 |
| Abstract:In this study， 7 different absorption detection methods were used to detect and analyzed 6 samples of watercolor paper with different absorption capacity， and a set of detection methods suitable for determining the absorption capacity of watercolor paper were established. The results showed that all of ink line method， liquid penetration method， surface absorbance and Hercules sizing tester were not suitable for testing the absorption capacity of watercolor paper. The absorption capacity of watercolor paper could be evaluated synthetically by Cobb method， contact angle method and dynamic permeability method. When the Cobb （60） value of paper was in the range of （20±4）g/m2， the contact angle should change little within 30 min， and the permeability rate expressed by dynamic permeability curve of 1200 s should be fast. |
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