Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (03): 83-89.doi: 10.13475/j.fzxb.20180300107

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Water and oil repellent finishing of cotton fabric based on fluoroacrylate miniemulsion

QIAN Haihong1,2, WANG Hongbo1,2(), DU Jinmei1,2, FU Jiajia1,2, WANG Wencong1,2   

  1. 1. Jiangsu Engineering Technology Research Center of Functional Textiles, Jiangnan University, Wuxi, Jiangsu 214122, China
    2. Key Laboratory of Eco-Textiles(Jiangnan University), Ministry of Education, Wuxi, Jiangsu 214122, China
  • Received:2018-03-01 Revised:2018-08-21 Online:2019-03-15 Published:2019-03-15
  • Contact: WANG Hongbo E-mail:wxwanghb@163.com

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Abstract:

In view of the problems of environmental pollution,poor finishing effect and washing fastness in the process of water and oil repellent finishing, a C4 short chain fluorinated acrylate miniemulsion was synthesized by miniemulsion polymerization,and its influence on water and oil repellent finishing of cotton fabric was investigated. The influence of pretreatment method, mass concentration of miniemulsion and drying/curing process on the contact angle of cotton fabric were discussed by univariate analysis. The experimental results show that the water and oil repellent properties of cotton fabric achieve the optimal effect under the conditions of the mass concentration of miniemulsion 60 g/L,the immersion time 30 min, drying at 80 ℃ for 3 min and curing at 160 ℃ for 3 min. In this process, the contact angle of cotton fabric to water is 160°,to olive oil is 154°,to hexadecane is 135°. After 30 times of washing,the contact angle of cotton fabric to water is 145°,to olive oil is 133° and to hexadecane is 113°. In addition, the crease recovery angle of the treated fabric increases by 36%, and the breaking strength and whiteness have no significant decrease.

Key words: fluoroacrylate, water and oil repellent finishing, cotton fabric, plasma pretreatment

CLC Number: 

  • TS195.5

Fig.1

Synthetic route of miniemulsion polymerization"

Tab.1

Influence of pretreatment method on contact angle of cotton fabric(°)"

预处理方法 接触角
水 橄榄油 十六烷
原样 148 138 114
等离子体预处理 151 140 120
超声波预处理 150 138 117

Fig.2

Influence of miniemulsion mass concentration on contact angle of cotton fabric"

Fig.3

Influence of drying temperature on contact angle of cotton fabric"

Fig.4

Influence of drying time on contact angle of cotton fabric"

Tab.2

Influence of baking temperature on contact angle of cotton fabric"

焙烘温度/℃ 接触角/(°) 白度/%
水 橄榄油 十六烷
140 153 149 128 75
150 156 152 130 70
160 160 154 135 69
170 157 153 133 61
180 158 151 132 57

Tab.3

Influence of baking time on contact angle of cotton fabric"

焙烘时间/min 接触角/(°) 白度/%
水 橄榄油 十六烷
1 152 147 125 76
2 157 150 129 74
3 160 154 135 73
4 159 151 136 69
5 158 150 132 62

Fig.5

FT-IR spectrum of fluorinated acrylate polymer latex film"

Fig.6

XPS spectra of fluorinated acrylate polymer latex film. (a) Survey scan; (b) C1s scan"

Fig.7

SEM images of raw fabric (a) and treated (b)cotton fabric (×5 000)"

Fig.8

XPS spectra of raw fabric and treated cotton fabric. (a) Survey scan of raw fabric and treated cotton fabric;(b) C1s scan of treated cotton fabric"

Tab.4

Element content of fabric surface"

试样 C O F
棉织物原样 66.49 33.51 —
整理后棉织物 41.15 16.25 42.60

Fig.9

Influence of washing times on contact angle of cotton fabric"

Fig.10

Contact angle photographs of cotton fabric to water (a) olive oil (b) and hexadecame (c) under different washing cycles"

Tab.5

Wearability of pristine and treated cotton fabric"

织物 断裂强力/N 折皱回复角/(°)
经向 纬向 急弹 缓弹
棉织物原样 674 332 136 157
最佳工艺整理棉织物 667 316 185 213
变化率/% -1.2 -4.8 36.1 36.0
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