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含氟聚倍半硅氧烷制备自修复疏水真丝织物

印染助剂TEXTILE AUXILIARIES Vol.35No.5May 2018第35卷第5期2018年5月李新玥1,李璐2

(1.西安工程大学产业用纺织品协同创新中心,陕西西安710048;

2.苏州大学纺织与服装工程学院,江苏苏州215021)

摘要:合成了含氟聚倍半硅氧烷

(F-POSS )分子,通过轧烘焙方法将F-POSS 整理到真丝织物表面,制得具有自修复疏水性能的真丝织物。探讨了F-POSS 用量、聚丙烯酸酯用量、预烘/焙烘温度与时间等工艺参数对真丝织物疏水性能的影响,较佳的处理工艺条件为:F-POSS 3g/L ,聚丙烯酸酯100g/L ,80℃预烘5min ,140℃焙烘3min 。测试了整理前后真丝织物的自修复性能、耐摩擦及耐水洗色牢度、物理性能,自修复疏水真丝织物的疏水性能被破坏后自修复性能较好,织物经摩擦后,表面破损和低表面能物质部分损失,对疏水性能和物理性能的影响不大,且织物自修复性能耐水洗性较好。

关键词:自修复;疏水;真丝织物;含氟聚倍半硅氧烷

中图分类号:TQ264文献标识码:A 文章编号:1004-0439

(2018)05-0033-06Preparation of self repairing hydrophobic silk fabric

using fluorinated polysiloxane

LI Xinyue 1,LI Lu 2

(1.Collaborative Innovation Center for Industrial Textiles,Xi ′an Polytechnic University,Xi ′an 710048,China;2.College of Textile and Clothing Engineering,Soochow University,Suzhou 215021,China)

Abstract:The fluorinated polysiloxane (F-POSS)was synthesized.Silk fabrics were treated by F-POSS through rolling and baking,and self repairing and hydrophobic properties of the silk fabrics were obtained.The effects of F-POSS concentration,polyacrylate concentration,pre-drying/baking temperature and time on the hydrophobicity of silk fabrics were discussed.The optimal process was as follows:F-POSS dosage 3g/L,poly -acrylate dosage 100g/L,80℃pre-drying 5min,140℃baking 3min.The self repair performance of self re -pairing hydrophobic silk fabrics after being destroyed was good.After the fabric had been rubbed,the surface damage and the partial loss of the low surface energy had little effect on the hydrophobicity and physical prop -erties,and the self-healing property of the fabric was good.

Key words:self repairing;hydrophobic;silk fabrics;fluorinated polysiloxane

为了满足人们对纺织品个性化、新颖化、功能

化、智能化等多方面的要求,开发多功能纺织品势在

必行,通常可采用化学改性的方法,以赋予其新的丰

富和持久功能。生物体在机体受到损伤后,伤口可以

自行愈合的能力被称为自修复功能[1-2]。具有自修复

功能的人造材料,不仅可以增加使用寿命,还可以减

少不必要的伤害,降低更换成本,因此,材料功能的

自修复成为研究热点[3-5]。含氟分子因极低的表面能而在疏水表面制备方面得到广泛应用。臧雄等[6-7]自制了笼型聚倍半硅氧烷改性聚硅氧烷氟烷基,并且在硅片表面涂覆制得疏水薄膜。AdemYidirim 等[8]将氟改性粒子与自制的硅溶胶混合后旋涂在玻璃表面制备了疏水表面。虽然目前对具有防水功能的衣服、包装材料等的需求量越来越大,但是在使用过程中,疏水表面的低表面能物质很容易受到紫外光照射、机械损伤等外力破坏而损失,导致整个表面的疏水含氟聚倍半硅氧烷制备自修复疏水真丝织物

收稿日期:2018-03-20

作者简介:李新玥(1989-),女,助理工程师,研究方向为功能性纺织品的研发。

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