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| 基于正交实验的宣纸植物油油渍温和清洗 |
| Mild Cleaning of Vegetable Oil Stains on Xuan Paper Based on Orthogonal Test |
| 收稿日期：2022-03-19 |
| DOI：DOI：10.11980/j.issn.0254-508X.2022.12.011 |
| 关键词: 植物油油渍 清洗 非离子表面活性剂 正交实验 宣纸 |
| Key Words:vegetable oil stains cleaning nonionic surfactant orthogonal test xuan paper |
| 基金项目: |
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| 摘要:本研究在正交实验的基础上，以清洗前后油渍处宣纸的白度值和pH值为指标，发现温度30 ℃，100 g的质量分数为2.4%的OP-10水溶液，超纯水冲洗量25 g是最佳清洗条件。然后对清洗前后的纸张进行红外光谱（FT-IR）、表面形貌和机械性能的测试，发现清洗后的纸张机械强度有所变化，横、纵向抗张强度由0.883 kN/m和1.13 kN/m分别下降到0.515 kN/m和0.693 kN/m，横、纵向耐折度由5双折次和6双折次分别下降到2双折次和3双折次，横、纵向柔软度从160 mN和230 mN分别下降到120 mN和180 mN。清洗后的植物油油渍颜色变浅、污染范围明显变小，达到了很好地去除植物油油渍的效果。 |
| Abstract:Based on the orthogonal test， taking the whiteness value and pH value of the paper with oil stains before and after cleaning as the experimental indexes， the optimal cleaning condition was the temperature of 30 ℃， 100 g of OP-10 aqueous solution with a mass fraction of 2.4%， and the washing amount of ultrapure water of 25 g. Then papers before and after cleaning were tested by FT-IR， surface appearance and mechanical properties. The results showed that the mechanical performance of the paper after cleaning had changed. The transverse and longitudinal tensile strength decreased from 0.883 kN/m and 1.13 kN/m to 0.515 kN/m and 0.693 kN/m respectively， the transverse and longitudinal folding resistance decreased from 5 and 6 folds to 2 and 3 folds respectively， and the transverse and longitudinal flexibility decreased from 160 mN and 230 mN to 120 mN and 180 mN respectively. After cleaning， the color and pollution range of vegetable oil stains decreased significantly， which achieved a good effect of removing vegetable oil stains. |
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