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Oil-and-water-repellent finishing agent for fabric and preparation method of oil-and-water-repellent finishing agent

A technology of oil and water repellency and finishing agent, which is applied in fiber treatment, textiles and papermaking, etc. It can solve the problems of high bioaccumulation, low surface free energy and air permeability, and low natural degradation ability of PFOS, so as to improve the comprehensive performance, The effect of good hand feeling and excellent air permeability

Inactive Publication Date: 2015-06-24
SUZHOU CHENHENG WEAVING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Organofluorine compounds containing perfluorinated long carbon chains, especially perfluorooctyl sulfonyl compounds (PFOS) and perfluorooctanoic acid compounds (PFOA), because of their extremely low surface free energy, excellent water and oil repellency, and gas permeability, As well as washing resistance, antifouling and easy decontamination properties, it is widely used as a fabric finishing agent in the fabric dyeing and finishing industry, but studies have found that PFOS has low natural degradation ability in the environment, high bioaccumulation, and long-distance migration , so it is urgent to develop new, environment-friendly fabric finishing agents containing perfluorinated short chains to replace PFOS

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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Examples

Experimental program
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Effect test

Embodiment 1

[0037]This embodiment provides an oil and water repellent finishing agent for fabrics. The finishing agent is composed of perfluoroacrylic acid emulsion, 11-carboxyundecyl methyl silicone oil, amino silicone oil, and polyacrylate emulsion containing perfluoroshort carbon chains. The components in terms of mass parts are: perfluoroacrylic acid emulsion: 30 parts, 11-carboxyundecyl methyl silicone oil: 23 parts, amino silicone oil: 10 parts, polyacrylate emulsion containing perfluoroshort carbon chain: 30 parts .

[0038] The preparation method of the above oil and water repellent finishing agent for fabrics, the specific steps of the preparation method of the finishing agent are as follows:

[0039] (1) Preparation of perfluoroacrylic emulsion

[0040] (1) Add deionized water, emulsifier, and sodium bicarbonate to the reaction kettle, then add butyl acrylate and methacrylic acid, add ammonium persulfate dropwise, heat to 75°C in a water bath, and set the speed of the electric ...

Embodiment 2

[0057] This embodiment provides an oil and water repellent finishing agent for fabrics. The finishing agent is composed of perfluoroacrylic acid emulsion, 11-carboxyundecyl methyl silicone oil, amino silicone oil, and polyacrylate emulsion containing perfluoroshort carbon chains. The components in terms of parts by mass are: perfluoroacrylic acid emulsion: 40 parts, 11-carboxyundecyl methyl silicone oil: 25 parts, amino silicone oil: 13 parts, polyacrylate emulsion containing perfluorinated short carbon chain: 36 parts .

[0058] The preparation method of the above oil and water repellent finishing agent for fabrics, the specific steps of the preparation method of the finishing agent are as follows:

[0059] (1) Preparation of perfluoroacrylic emulsion

[0060] (1) Add deionized water, emulsifier, and sodium bicarbonate to the reaction kettle, then add butyl acrylate and methacrylic acid, add ammonium persulfate dropwise, heat to 75°C in a water bath, and set the speed of the...

Embodiment 3

[0077] This embodiment provides an oil and water repellent finishing agent for fabrics. The finishing agent is composed of perfluoroacrylic acid emulsion, 11-carboxyundecyl methyl silicone oil, amino silicone oil, and polyacrylate emulsion containing perfluoroshort carbon chains. In terms of mass parts, the components are: perfluoroacrylic acid emulsion: 36 parts, 11-carboxyundecyl methyl silicone oil: 20 parts, amino silicone oil: 15 parts, polyacrylate emulsion containing perfluorinated short carbon chain: 40 parts .

[0078] The preparation method of the above oil and water repellent finishing agent for fabrics, the specific steps of the preparation method of the finishing agent are as follows:

[0079] (1) Preparation of perfluoroacrylic emulsion

[0080] (1) Add deionized water, emulsifier, and sodium bicarbonate to the reaction kettle, then add butyl acrylate and methacrylic acid, add ammonium persulfate dropwise, heat to 75°C in a water bath, and set the speed of the e...

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 discloses an oil-and-water-repellent finishing agent for a fabric. The finishing agent is prepared from a perfluor acrylic emulsion, a 11-carboxyundecyl methylsilicone oil, amino silicon oil and a perfluor short-carbon chain polyacrylate emulsion. The invention also designs a preparation method of the oil-and-water-repellent finishing agent for the fabric. The perfluor acrylic emulsion, the 11-carboxyundecyl methylsilicone oil, the amino silicon oil and the perfluor short-carbon chain polyacrylate emulsion are mixed to prepare the oil-and-water-repellent finishing agent for the fabric. The preparation method is simple, feasible, environmentally friendly, and free of pollution; the prepared oil-and-water-repellent finishing agent for the fabric has excellent surface properties such as hydrophobic property, lipophobicity and antifouling property, and is good in stability; and the fabric keeps good hand feeling after being spun, and has excellent air permeability and moisture penetrability.

Description

technical field [0001] The invention belongs to the field of preparation of textile auxiliaries, in particular to an oil and water repellent finishing agent for fabrics and a preparation method thereof. Background technique [0002] Before the fabric becomes a finished product, it is usually processed with a fabric finishing agent in order to obtain special functions for different needs. These finishing agents can generally be divided into water and oil repellent finishing agents, anti-fouling and stain-removing finishing agents, flame-retardant finishing agents, antistatic finishing agents, antibacterial finishing agents, etc. according to the different functions imparted to the fabric. [0003] A finishing agent with a special molecular structure is applied to the surface of the fabric to change the components of the fiber surface and combine with the fiber in a physical, chemical or physicochemical way, so that the fabric is no longer wetted by water and common oil. The ...

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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IPC IPC(8): D06M15/277D06M15/643C08F220/06C08F220/18C08F220/24C08F2/26C08F2/30C08G77/14C08G77/06C08F220/38C08F220/28
Inventor 陈菊媛陈菊珍
Owner SUZHOU CHENHENG WEAVING
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