纺织学报 ›› 2021, Vol. 42 ›› Issue (09): 112-119.doi: 10.13475/j.fzxb.20201001208

• 染整与化学品 • 上一篇    下一篇

疏水体系中阳离子改性对棉/聚酰胺织物表面墨滴铺展的影响

李畅1, 房宽峻1,2,3,4(), 刘秀明1,4, 安芳芳1, 梁迎超1, 刘昊1   

  1. 1.天津工业大学 纺织科学与工程学院, 天津 300387
    2.青岛大学 纺织服装学院, 山东 青岛 266071
    3.生物多糖纤维成形与生态纺织国家重点实验室, 山东 青岛 266071
    4.山东省生态纺织协同创新中心, 山东 青岛 266071
  • 收稿日期:2020-10-07 修回日期:2021-05-08 出版日期:2021-09-15 发布日期:2021-09-27
  • 通讯作者: 房宽峻
  • 作者简介:李畅(1996—),女,硕士生。主要研究方向为喷墨印花。
  • 基金资助:
    国家重点研发计划项目(2017YFB0309800);山东省重大科技创新工程项目(2019TSLH0108)

Effect of cationic modification in hydrophobic system on ink droplet spreading on cotton/polyamide fabrics

LI Chang1, FANG Kuanjun1,2,3,4(), LIU Xiuming1,4, AN Fangfang1, LIANG Yingchao1, LIU Hao1   

  1. 1. School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China
    2. College of Textiles & Clothing, Qingdao University, Qingdao, Shandong 266071, China
    3. State Key Laboratory for Biofibers and Eco-Textiles, Qingdao, Shandong 266071, China
    4. Collaborative Innovation Center for Eco-Textiles of Shandong Province, Qingdao, Shandong 266071, China
  • Received:2020-10-07 Revised:2021-05-08 Published:2021-09-15 Online:2021-09-27
  • Contact: FANG Kuanjun

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摘要：

为提升墨滴在棉/聚酰胺织物表面的同色性、颜色性能及固色率,采用表面活性剂月桂酸二乙醇酰胺(LDEA)构建疏水体系对棉/聚酰胺织物进行阳离子改性。探究了改性体系中阳离子改性剂3-氯-2-羟丙基三甲基氯化铵(CHPTAC)及LDEA质量分数对织物改性效果的影响,对不同工艺下改性织物表面的墨滴铺展面积、颜色性能及固色率进行测试,分析了改性前后织物的表面形貌、化学结构及电荷变化。结果表明:阳离子改性使墨滴在织物表面的铺展面积减小30%;相比水性体系,疏水体系中改性后织物表面墨滴的同色性及颜色性能均明显改善,其表观色深值提升2.7,棉与聚酰胺纤维的表观色深差值减小41%,且消除了墨滴表面的白点现象;改性剂已成功接枝在棉及聚酰胺纤维的表面,且疏水体系中改性剂在2种纤维中分布更为均匀。

关键词: 棉/聚酰胺织物, 阳离子改性, 疏水体系, 墨滴铺展, 颜色性能, 喷墨印花

Abstract:

In order to improve the homo-chromaticity, color performance and fixation rate of ink droplets on the surface of cotton/polyamide fabrics, cationic modification of cotton/polyamide fabric was carried out in hydrophobic system using surfactant N,N-bis(2-hydroxyethyl)-dodecanamide (LDEA) to construct. The effect of the mass fraction of the cationic modifier 3-chloro-2-hydroxypropyl trimethylammonium chloride (CHPTAC) and LDEA in the modification system on the modification result of the fabric was explored. The spread area, color performance and fixation rate of the ink droplets on the surface of the modified fabric under different processes were tested. The surface morphology, chemical structure and electrical changes of the modified fabric were analyzed. Results show that cationic modification reduced the spread area of ink droplets on the fabric surface by 30%. Compared with aqueous system, the homo-chromaticity and color performance of the ink droplets on the surface of the fabric after modification in the hydrophobic system are significantly improved. The apparent color strength upgraded to 2.7 and the difference decreased by 41% between cotton and polyamide fibers. The white spot phenomenon on the surface of the ink droplet was eliminated. The modifier were grafted successfully on the surface of cotton and polyamide fibers, and furthermore the distribution could be made more uniform between two fibers in the hydrophobic system compared with aqueous system.

Key words: cotton/polyamide fabric, cationic modification, hydrophobic system, ink drop spread, color performance, ink-jet printing

中图分类号: 

  • TS194.4

图1

棉及聚酰胺纤维阳离子改性及与染料结合的化学反应示意图"

图2

改性体系中CHPTAC及LDEA的质量分数对织物表面墨滴K/S值的影响"

图3

不同改性织物的墨滴铺展形状"

表1

改性织物墨滴的颜色性能及固色率"

改性体系 织物 颜色参数 K/S值 固色率/%
L* a* b* C* h°
未改性 棉/聚酰胺 70.6 30.9 -7.4 31.8 346.6 0.8 2.2±0.1
聚酰胺 41.3 56.1 -2.9 56.2 357.0 12.2 46.5±0.5
棉 79.2 15.6 -3.9 16.1 345.9 0.3 1.2±0.1
GTA改性 棉/聚酰胺 39.7 55.4 1.5 55.4 1.5 13.4 43.3±0.6
聚酰胺 83.9 8.3 0.5 8.4 3.3 0.1 4.0±0.2
棉 35.4 55.0 2.6 55.0 2.7 19.8 78.7±1.0
GTA/LDEA改性 棉/聚酰胺 39.3 57.7 -0.1 57.7 359.9 16.1 60.5±0.8
聚酰胺 47.9 56.9 -10.4 57.9 349.7 8.8 38.7±0.3
棉 39.0 57.8 -0.9 57.8 359.1 16.9 64.0±1.4

图4

棉与聚酰胺纤维表面形貌(×5 000)"

图5

棉纤维的红外光谱图"

图6

聚酰胺纤维的红外光谱图"

表2

织物表面Zeta电位"

CHPTAC
质量分数/%		 棉纤维Zeta电位/mV 聚酰胺纤维Zeta电位/mV
GTA改性 GTA/LDEA
改性		 GTA改性 GTA/LDEA
改性
0 -13.2 -13.2 -43.1 -43.1
2 -10.1 -12.3 -39.3 -31.8
4 -4.2 -7.1 -36.8 -22.6
6 4.1 1.4 -29.2 -14.3
8 8.3 4.2 -26.8 -8.6

表3

棉/聚酰胺织物的色牢度"

织物改性体系 耐水洗色牢度 耐摩擦色牢度 耐日晒
色牢度
SC SP CC 干 湿
未改性 4~5 4~5 4~5 4~5 4 3~4
GTA改性 4~5 4~5 4~5 3~4 3 4~5
GTA/LDEA改性 4 4~5 4 4 2~3 4
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