| Synthesis and Application of a Polymeric Crosslinking Agent for Improving Fixation of Vinylsulfone-type Dyes on Cotton by a Pad-drycure Process |
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| 引用本文： | 李峥嵘 傅科杰 孟卫东 卿凤翎. Synthesis and Application of a Polymeric Crosslinking Agent for Improving Fixation of Vinylsulfone-type Dyes on Cotton by a Pad-drycure Process[J]. 东华大学学报(英文版), 2006, 23(5): 113-118 |
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| 作者姓名： | 李峥嵘 傅科杰 孟卫东 卿凤翎 |
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| 作者单位： | [1]College of Chemistry and Chemical Engineering, Donghua University, Shanghai 201620 [2]Key Laboratory of Organo fluorine Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciawes , Shanghai 200032 [3]Textile products Inspection Center of NingBo Entry- Exit Inspection and Quarantine Bureau, Ningbo 315192 |
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| 摘 要： | A new class of novel polymeric crosslinging agent （NPCA）, which contained silane coupling group and the epoxy groups, was designed and synthesized in our laboratory. NPCA was a non-formaldehyde multifunctional crosslinking polymer. The cotton fabrics dyed with 8.0% （owf） Vinylsulpone-type dyes were treated with 3.0%- 4.0% NPCA, 0.5 mol/L potassium thiocyanate as a catalyst, then padded through two dips and two nips to reach a wet pickup of 80%- 85%, then dried at 80℃ for 2 minutes and cured in oven at 140- 150℃ for 3 minutes. Crocking fastness and fixation （%） were improved with up to 1.0 -1. 5 units, 35%- 50%, respectively. And there was little difference between the color yield of dyed fabrics before and after the treatment at certain conditions. The possible crosslinking mechanism of NPCA was also investigated. It was concluded that NPCA can improve colorfastness of cotton fabric by means of the three-dimensional network, covalent bonding and other molecular forces.
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| 关 键 词： | 耐干洗革 聚合物 棉纺织物 染色技术 |
| 收稿时间： | 2006-07-14 |
Synthesis and Application of a Polymeric Crosslinking Agent for Improving Fixation of Vinylsulfone-type Dyes on Cotton by a Pad-dry-cure Process |
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| LI Zheng-rong,FU Ke-jie,MENG Wei-dong,QING Feng-ling. Synthesis and Application of a Polymeric Crosslinking Agent for Improving Fixation of Vinylsulfone-type Dyes on Cotton by a Pad-dry-cure Process[J]. Journal of Donghua University, 2006, 23(5): 113-118 |
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| Authors: | LI Zheng-rong FU Ke-jie MENG Wei-dong QING Feng-ling |
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| Abstract: | A new class of novel polymeric crosslinking agent (NPCA),which contained silane coupling group and the epoxy groups,was designed and synthesized in our laboratory. NPCA was a non-formaldehyde multifunctional crosslinking polymer.The cotton fabrics dyed with 8.0% (owf) Vinylsulpone-type dyes were treated with 3.0%- 4.0% NPCA, 0.5 mol/L potassium thiocyanate as a catalyst, then padded through two dips and two nips to reach a wet pickup of 80%- 85%,then dried at 80℃ for 2 minutes and cured in oven at 140-150℃ for 3 minutes. Crocking fastness and fixation (%)were improved with up to 1.0 - 1.5 units, 35%- 50%,respectively. And there was little difference between the color yield of dyed fabrics before and after the treatment at certain conditions. The possible crosslinking mechanism of NPCA was also investigated. It was concluded that NPCA can improve colorfastness of cotton fabric by means of the three-dimensional network, covalent bonding and other molecular forces. |
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| Keywords: | a crosslinking agent cotton fabric fastness property pad-dry-cure |
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