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Efficient fluorine-free waterproof agent containing telechelic polymer and preparation method

A technology of telechelic polymer and fluorine-free water repellent, which is applied in the field of fluorine-free water repellent containing telechelic polymer and its preparation, can solve the problems of stiffness and insignificant improvement in durability, and achieves waterproof performance and washing resistance. good performance

Active Publication Date: 2018-02-16
DYMATIC CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The functional monomer forms a short side chain with a reactive group on the main chain of the waterproofing agent, and the reaction of the reactive group forms a strong constraint on the main chain, forming a hard hand feeling; Resistance, many reactive groups are self-crosslinked, do not form a strong bond with the fabric, and the durability improvement is not obvious

Method used

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  • Efficient fluorine-free waterproof agent containing telechelic polymer and preparation method

Examples

Experimental program
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Embodiment 1

[0052] Take 18 g behenyl acrylate, 5 g behenyl methacrylate, 1.5 g styrene, 2 g telechelic polymer B, 5 g dipropylene glycol, 3 g Ethoqual C / 25 (ethoxylated quaternary Salt), 0.3 gram of acetic acid, 61.5 gram of water, heating up to 55 degrees, high-speed emulsification for 60 minutes, to obtain a pre-emulsion; and nitrogen for 30 minutes, while controlling the temperature at 62 ° C, and adding 0.5 gram of hydroxyethyl methacrylate and mixing evenly. Then add 0.2 gram of azobisisobutylamidine hydrochloride, 3 gram of vinyl chloride, and keep warm for 8 hours. Finally, lower the temperature of the system to room temperature, and filter through a 300-mesh filter cloth to obtain a fluorine-free waterproofing agent.

[0053] other embodiments

[0054] Each component in other examples is different from Example 1, and the preparation process is the same as Example 1. Below, the components of each example are listed in the form of an attached table.

[0055]

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PUM

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Abstract

The invention discloses an efficient fluorine-free waterproof agent containing telechelic polymer. The fluorine-free waterproof agent comprises, by mass, 25-35% of fluorine-free polymer, 1.5-6% of surfactant, 1.5-9% of auxiliary and water. The fluorine-free waterproof agent has good waterproof agent and is free of fluorine element and environment-friendly. Special raw materials are adopted, so that compared with the prior art, the fluorine-free waterproof agent has better waterproof effect, good hand feeling and better washing fastness.

Description

technical field [0001] The invention relates to the field of textile auxiliaries, in particular to a fluorine-free waterproofing agent containing a telechelic polymer and a preparation method thereof. Background technique [0002] Water repellants can impart hydrophobic properties to the surface of textiles. Fluorine-containing waterproofing agents are currently the most used on the market. Fluorine-containing water repellents are expensive, and the fluorine-containing raw materials used in the production consume high energy consumption and heavy pollution, and the fluorine-containing substances contained in them are difficult to degrade and have bioaccumulation toxicity. The use of fluorine-free additives is a development trend. [0003] In recent years, with the improvement of living standards and the upgrading of the country's industries, the textile printing and dyeing industry has an increasing demand for high-grade fluorine-free waterproofing agents. However, the di...

Claims

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Application Information

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IPC IPC(8): D06M15/263D06M15/572C08F283/00C08G18/32C08G18/42C08G18/66C08G18/67C08G18/75C08G18/76
CPCC08F283/008D06M15/263D06M15/564D06M15/572D06M2101/06D06M2200/12
Inventor 刘军方天勇黄尚东陈晓妹
Owner DYMATIC CHEM
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