纺织学报 ›› 2021, Vol. 42 ›› Issue (10): 8-14.doi: 10.13475/j.fzxb.20210608507

• 纺织科技新见解学术沙龙专栏: 纤维原液着色关键技术及其产品 • 上一篇    下一篇

自分散酞菁蓝15:3的制备及其在粘胶纤维原液着色中的应用

宋伟广1,2, 王冬1, 杜长森2, 梁栋2, 付少海1()   

  1. 1.江苏省纺织品数字喷墨印花工程技术研究中心(江南大学), 江苏 无锡 214122
    2.苏州世名科技股份有限公司, 江苏 苏州 215337
  • 收稿日期:2021-06-30 修回日期:2021-07-15 出版日期:2021-10-15 发布日期:2021-10-29
  • 通讯作者: 付少海
  • 作者简介:宋伟广(1996—),男,硕士生。主要研究方向为颜料改性及其在纺织纤维中的应用研究。
  • 基金资助:
    国家重点研发计划项目(2017YFB0309503)

Preparation of self-dispersing Phthalocyanine Blue 15:3 particles and its application in spun-dyed viscose fiber

SONG Weiguang1,2, WANG Dong1, DU Changsen2, LIANG Dong2, FU Shaohai1()   

  1. 1. Jiangsu Engineering Research Center for Digital Textile Inkjet Printing (Jiangnan University), Wuxi,Jiangsu 214122, China
    2. Suzhou Sunmun Technology Co., Ltd., Suzhou, Jiangsu 215337, China
  • Received:2021-06-30 Revised:2021-07-15 Published:2021-10-15 Online:2021-10-29
  • Contact: FU Shaohai

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摘要：

针对粘胶纤维原液着色色浆保存周期短、运输成本高的问题,采用喷雾干燥法制备了自分散酞菁蓝15:3,探讨了喷雾干燥时进风温度、进料速率、压力和空气流量等对自分散颜料粒径的影响,借助透射电子显微镜和扫描电子显微镜等探究了自分散颜料的表观形貌,考察了自分散颜料在粘胶纤维中的分散状态。结果表明,进风温度为165 ℃、进料速率为10 mL/min、压力为0.2 MPa、空气流量为2.95 m3/min时,自分散酞菁蓝15:3粒径为171 nm, 与水的接触角为13°,自分散性能良好,耐热、耐酸碱、耐电解质和离心稳定性均在80%以上。自分散颜料与粘胶纺丝液相容性良好,在原液着色粘胶纤维中分布均匀,纤维耐摩擦、耐水洗色牢度均达到4级。

关键词: 自分散颜料, 酞菁蓝15:3, 原液着色, 粘胶纤维, 喷雾干燥

Abstract:

Aiming at short storage time and high transportation cost of the color paste for spun-dyed viscose fibers, the self-dispersing Phthalocyanine Blue 15:3 pigment powder were prepared by the spray drying method. The effects of the spray drying parameters including air inlet temperature, feeding rate, pressure and air flow rate on the properties of self-dispersing pigment were discussed. In addition, transmission electron microscope (TEM) and scanning electron microscope (SEM) were employed to study the apparent morphology, and the dispersion state of self-dispersing pigments in viscose fiber was investigated. The results show that when the inlet air temperature is 165 ℃, the feeding rate is 10 mL/min, the pressure is 0.2 MPa, and the air flow rate is 2.95 m3/min, particle size of the self-dispersing Phthalocyanine Blue 15:3 pigment powder is 171 nm, and the water contact angle is 13°. The pigments show excellent self-dispersing properties, and the centrifugal, acid and alkali resistance, heat resistance and salt resistance stability are all above 80%. The self-dispersing Phthalocyanine Blue 15:3 deminstrates a good interface compatibility with the viscose spinning solution and is homogeneously dispersed in the spun-dyed viscose fiber. The color fastness against rubbing and washing reach grade 4.

Key words: self-dispersing pigment, Phthalocyanine Blue 15:3, spun-liquid dyed, viscose fiber, spray drying method

中图分类号: 

  • TS193

图1

AX-20 PWPB制备过程"

图2

喷雾干燥工艺对AX-20 PWPB粒径的影响"

图3

原始PB(a)和AX-20 PWPB(b)的TEM照片及粒径分布"

图4

原始PB与AX-20 PWPB的水接触角"

图5

搅拌分散对AX-20 PWPB与原始PB粒径的影响及在水中的分散状态"

图6

AX-20 PWPB色浆的耐热稳定性、耐酸碱稳定性和耐电解质稳定性、离心稳定性"

图7

AX-20 PWPB在粘胶纺丝液中不同质量分数的分布情况"

图8

不同AX-20 PWPB质量分数下原液着色粘胶纤维断面SEM照片"

表1

AX-20 PWPB质量分数对颜色性能的影响"

质量分数/
%		 b值 耐摩擦色牢度 耐水洗色牢度
干 湿 沾色 变色
1 -30.20 4~5 4~5 4~5 4~5
2 -33.75 4~5 4~5 4~5 4~5
3 -36.86 4~5 4~5 4~5 4
4 -36.96 4~5 4 4~5 4
5 -37.32 4~5 4 4~5 4
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