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| 降低生活用纸能耗和纸尘的涂层解决方案 |
| Coating Solution to Decrease Energy Consumption and Paper Dust of Tissue Paper |
| 收稿日期：2021-04-10 |
| DOI：10.11980/j.issn.0254-508X.2021.09.018 |
| 关键词: 生活用纸 粘缸剂 剥离剂 低温涂层 纸尘 蒸汽 |
| Key Words:tissue adhesive release low-temperature coating paper dust steam |
| 基金项目: |
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| 摘要:生活用纸的清洁生产包括纸尘控制和能耗控制两大方面，为此针对性地开发了低温涂层产品替代常规涂层产品，以降低纸尘和蒸汽消耗。本研究主要研究了低温粘缸剂、低温剥离剂和低温涂层的特性。结果表明，低温粘缸剂在较低温度下具有较高的黏结力、合适的耐水性和合适的成膜软硬；低温剥离剂则具有较低的表面张力和适宜的剥离力，纳米级的低温剥离剂可以在涂层中分布得更加均一。通过Turbiscan稳定仪测试低温粘缸剂与低温剥离剂混合液的稳定性，其TSI系数只有0.98，表明混合液稳定。将低温涂层工业化应用后发现，在相同条件下，可以降低80～230 kPa扬克缸蒸汽压力，且能在一定幅度降低蒸汽耗用；较常规涂层而言，低温涂层的应用可以减少10%～50%的原纸/成品的掉粉率。 |
| Abstract:The clean production of tissue included paper dust control and energy consumption control. In order to reduce paper dust and steam consumption， low-temperature coating products were targeted developed to replace conventional coating products. The characteristics of low-temperature adhesive， low-temperature release and low-temperature coating were studied in this paper. The results showed that the low-temperature adhesive had high adhesion， suitable water resistance and suitable film forming hardness at lower temperature. The low-temperature release had lower surface tension and suitable peel force， and the nano scale low-temperature release could be distributed more evenly in the coating. The stability of the mixture of low-temperature adhesive and low-temperature release was tested by Turbiscan stability instrument. The TSI coefficient was only 0.98， indicating that the mixture was stable. After industrial application of low-temperature coating， it was found that under the same conditions， the steam pressure of Yankee cylinder could be reduced by 80~230 kPa， and the steam consumption could be reduced to a certain extent. Compared with conventional coating， the application of low-temperature coating could reduce the dust drop rate of base paper/finished products by 10%~50%. |
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