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| Study on Improving the Dyeing Efficiency of PG Yellow Dye on Paper Filled with Calcium Sulfate by Polyacrylamide |
| Received:April 20, 2021 |
| DOI：10.11980/j.issn.0254-508X.2021.09.006 |
| Key Words:PG yellow dye dyeing property anhydrous calcium sulfate polyacrylamide filler retention |
| Fund Project:浙江景兴纸业股份有限公司校企合作项目。 |
| Author Name | Affiliation | Postcode | | YANG Weisong | Tianjin Key Lab of Pulp and Paper, School of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin, 300457 | 300457 | | AN Xingye* | Tianjin Key Lab of Pulp and Paper, School of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin, 300457 | 300457 | | YANG Jian | Tianjin Key Lab of Pulp and Paper, School of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin, 300457 | 300457 | | MA Haoran | Tianjin Key Lab of Pulp and Paper, School of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin, 300457 | 300457 | | LIU Liqin | Tianjin Key Lab of Pulp and Paper, School of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin, 300457 | 300457 | | CHENG Zhengbai | Zhejiang Jingxing Paper Co., Ltd., Pinghu, Zhejiang Province, 314214 | 314214 | | CAO Haibing | Zhejiang Jingxing Paper Co., Ltd., Pinghu, Zhejiang Province, 314214 | 314214 | | LIU Hongbin | Tianjin Key Lab of Pulp and Paper, School of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin, 300457 | 300457 | | NI Yonghao | Tianjin Key Lab of Pulp and Paper, School of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin, 300457 | 300457 |
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| Abstract:Due to the problem that anhydrous calcium sulfate （CaSO4） added to the papermaking system in the factory production practice would seriously affect the dyeing efficiency of PG yellow dye， an improvement method of adding polyacrylamide （PAM） into the slurry was proposed in this paper. The effects of cationic polyacrylamide （CPAM） and amphoteric polyacrylamide （AmPAM） on the dyeing efficiency of PG yellow dye were studied. It found that both of CPAM and AmPAM could effectively improve the dyeing efficiency of PG yellow dye when the addition of CPAM was 0.05% or AmPAM was 0.06%. In addition， it showed that the addition of two additives could also improve the retention of CaSO4 fillers. Finally， the influence mechanism of two kinds of polyacrylamide on improving the dyeing efficiency of PG yellow dye and the retention of anhydrous CaSO4 filler was further inferred. |
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