棉纖維陽離子改性及其無鹽染色

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题名:	棉纖維陽離子改性及其無鹽染色 Cationic Modification of Cotton Fiber and its Salt-free Dyeing
作者:	王運利劉洋呂小健曹根陽李庭忠陳國華徐衛林
贡献者:	紡工系
关键词:	陽離子改性棉纖維無鹽染色格林蘭改性劑 Cationic Modification Cotton Fiber Salt-Free Dyeing Ge-Lin-Lan Modifier
日期:	2017-08
上传时间:	2018-03-29 14:32:15 (UTC+8)
摘要:	棉纖維用活性染料染色時，竭染率低，殘液中含有大量的無機鹽等，這會造成嚴重的環境汙染、資源浪費等問題。本文通過優選陽離子醚化劑格林蘭對純棉織物進行陽離子改性，以實現使用活性染料對純棉織物的無鹽染色。棉織物的最佳改性工藝條件為：兩浴兩步浸漬法，格林蘭用量為4% o.w.f.，pH值9-10，浴比1:20，溫度80℃，時間30分。染色結果表明改性棉織物的K/S值、上染速率等指標均較改性前有所提高，可實現純棉織物的無鹽染色。 When dyeing of cotton fiber with reactive dyes, the lower utilization of reactive dye, high salt dosages and residual dyes have caused serious environmental problem and resources wasting. In this paper, Ge-lin-lan modifier was chosen to modify pure cotton fabric to dye in salt-free dyeing bath, which optimizing the best process of modification. The results showed that the optimum parameters of modification by two-bath exhaustion process are: the dosage of Ge-lin-lan modifier is 4% o.w.f., pH is 9-10, liquor ratio is 20:1, temperature is 80℃, and time is 30min. The result of one-bath exhaustion process is not as good as that of two-bath exhaustion process. It can't meet the need of production. Investigating the dye performances of modified cotton fabric and the control sample with reactive red X-3B, it indicated that the former possess higher K / S value, dyeing rate, leveling properties and exhaustion percentage. The dyeability of modified cotton fabric is good compared with the unmodified cotton fabric. Salt-free dyeing on cotton fabric with reactive dyes can be achieved.
關聯:	華岡紡織期刊； 24卷6期 (2017 / 08 / 01) ， P332 - 336
显示于类别:	[紡織工程學系] 學報-華岡紡織期刊

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