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Method for preparing super-hydrophobic polyester fabric based on thiol-ene click reaction

A polyester fabric, super-hydrophobic technology, applied in textiles and papermaking, liquid repellent fibers, fiber treatment, etc., can solve the problems of complex preparation process and long preparation time, and achieve good selectivity, simple operation, and time-consuming. short effect

Active Publication Date: 2021-07-16
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the technical problems such as complex preparation process and long preparation time of superhydrophobic materials, the purpose of the present invention is to provide a method for preparing superhydrophobic polyester fabric based on mercapto-ene click reaction. The method has mild reaction conditions, fast reaction and low material cost. Low, the experimental process is simple and environmentally friendly, and the prepared superhydrophobic polyester fabric has good durability

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Method for preparing super-hydrophobic polyester fabric based on thiol-ene click reaction
  • Method for preparing super-hydrophobic polyester fabric based on thiol-ene click reaction
  • Method for preparing super-hydrophobic polyester fabric based on thiol-ene click reaction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] a) Adhesion of polyphenols: according to the bath ratio of 1:200, soak the cleaned polyester fabric in an aqueous solution containing eugenol (1g / L), vibrate at 80°C for 15min, and then roll out the excess polyphenols with a paddle car. solution to obtain polyphenol-adhered polyester fabrics.

[0040] b) Complexation of ions: prepare an aqueous solution of ferrous sulfate heptahydrate (6g / L), add polyphenol-adhered polyester fabric to react for 60 minutes according to the bath ratio of 1:200, and squeeze out excess solution to obtain ion-complexed polyester fabric.

[0041] c) Surface click chemistry: prepare an ethanol solution containing n-octearyl mercaptan (1.75g / L) and benzoin (1g / L), sonicate for 10min until n-octadecyl mercaptan is completely dissolved, and add it at a bath ratio of 1:100. deionized water, and stir evenly to obtain a treatment liquid. Pour the treatment solution on the surface of the ion-complexed polyester fabric obtained in step b) until it has...

Embodiment 2

[0045] a) Adhesion of polyphenols: According to the bath ratio of 1:150, soak the cleaned polyester fabric in an aqueous solution containing chlorogenic acid (3g / L), shake it at 75°C for 15min, and then roll out the excess solution to obtain polyphenol-adhered polyester fabrics.

[0046] b) Complexation of ions: prepare an aqueous solution of ferrous sulfate heptahydrate (3g / L), add polyphenol-adhered polyester fabric to react for 30 minutes according to the bath ratio of 1:150, and squeeze out excess solution to obtain ion-complexed polyester fabric.

[0047] c) Surface click chemistry: Prepare an ethanol solution containing n-octadecyl mercaptan (3g / L) and benzoin dimethyl ether (0.5g / L), sonicate for 10min until n-octadecyl mercaptan is completely dissolved, and use a 1:100 bath Then add deionized water and stir evenly to obtain the treatment liquid. Pour the treatment solution on the surface of the ion-complexed polyester fabric obtained in step b) until it has just cove...

Embodiment 3

[0051] a) Adhesion of polyphenols: According to the bath ratio of 1:100, soak the cleaned polyester fabric in an aqueous solution containing eugenol (3g / L), shake it at 80°C for 10min, and then roll out the excess polyphenols with a paddle car. solution to obtain polyphenol-adhered polyester fabrics.

[0052] b) Complexation of ions: prepare anhydrous ferric chloride (5g / L) aqueous solution, according to the bath ratio of 1:100, add polyphenol-adhered polyester fabric to react for 60 minutes, and squeeze out excess solution to obtain ion-complexed polyester fabric.

[0053] c) Surface click chemistry: Prepare an ethanol solution containing n-stearyl mercaptan (5g / L) and benzoin ethyl ether (0.2g / L), ultrasonicate for 10min until n-stearyl mercaptan is completely dissolved, and add in a bath ratio of 1:50 deionized water, and stir evenly to obtain a treatment solution. Pour the treatment solution on the surface of the ion-complexed polyester fabric obtained in step b) until i...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention relates to a method for preparing a super-hydrophobic polyester fabric based on a thiol-ene click reaction, and belongs to the field of functional textiles. Polyphenol-adhered polyester fabric is soaked in a solution containing multivalent metal ions, fabric with the surface modified by metal particles is obtained, then the fabric is placed in a solution containing alkyl mercaptan and a photosensitizer, under ultraviolet irradiation, the photosensitizer initiates the alkyl mercaptan and polyphenol to be subjected to a sulfydryl-alkene click chemical reaction, and the super-hydrophobic polyester fabric is obtained through a click chemistry method. The method disclosed by the invention is simple in super-hydrophobic material preparation process, green, environment-friendly, low in cost and suitable for large-scale production, a new way is opened up for expanding the additional value of polyester fabrics, and enlightenment for developing lasting super-hydrophobic fabrics in practical application is provided.

Description

technical field [0001] The invention relates to the technical field of preparation of functionalized textiles, in particular to a method for preparing superhydrophobic polyester fabrics based on a mercapto-ene click reaction. Background technique [0002] With the rapid development of the times and the huge increase in population, the speed of textile replacement is accelerating, and the multi-functional finishing of textiles to increase their added value has become an inevitable trend. In recent years, the method of biomimetic superhydrophobic finishing of textile surfaces has received great attention. The hydrophobic finishing of fabrics plays a very important role in increasing the added value of textiles and improving the self-cleaning and anti-pollution properties of fabrics. At present, there are two main methods for preparing superhydrophobic fabrics: (1) constructing micro / nano roughness on the surface of the substrate; (2) introducing low surface energy substances o...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M13/252D06M11/00D06M101/32
CPCD06M13/252D06M11/00D06M2200/12D06M2101/32
Inventor 邢铁玲谢爱玲陈国强乐昱含王博安袁鑫雅李罗泽元
Owner SUZHOU UNIV
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