Silicone acrylic emulsion and application of silicone acrylic emulsion as textile finishing agent

A silicone-acrylic emulsion and fabric technology, which is applied in animal fibers, fiber processing, textiles and papermaking, etc., can solve the problems of complicated product production process, increased product production cost, low product solid content, etc., and achieves low cost and easy operation. , the preparation method is simple

Inactive Publication Date: 2013-10-02
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there are few reports on the use of silicone-acrylic emulsions for fabric finishing, and silicone-acrylic emulsions as fabric finishing agents need to be prepared from a variety of organosilicon monomers or high-content organosilicon monomers. There are reactive groups such as epoxy groups, amino groups, and hydroxyl groups, which are easily hydrolyzed and condensed. During the polymerization process, an early cross-linked structure will be formed, resulting in system instability and coagulation, which complicates the production process and increases the production cost of the product. ; The product prepared at the same time has low solid content but high viscosity, which brings difficulties for later fabric finishing

Method used

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  • Silicone acrylic emulsion and application of silicone acrylic emulsion as textile finishing agent

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Experimental program
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Effect test

Embodiment 1

[0042] Embodiment one: the preparation of emulsion

[0043] Mix 27 parts of butyl acrylate and 10 parts of methyl methacrylate, and dissolve 0.8% ammonium persulfate in water. Add deionized water, 0.8 parts of SDS, 0.4 parts of NP-10, and 0.4 parts of NaHCO into a 250ml four-neck flask equipped with an electric mixer, a thermometer and a condenser. 3 , blow nitrogen, raise the temperature to 60°C, stir for 20min, add one-third of the mixture of the two monomers into the flask, stir for 30min, raise the temperature to 70°C, add a quarter of the initiator aqueous solution, and react for 30min. Add 2 parts of vinyltriethoxysilane to the remaining monomer mixture and mix well. Add the mixture of the three monomers and the aqueous solution of the initiator dropwise at a certain rate, raise the temperature to 80°C after the dropwise addition, keep the temperature for 2.5 hours, stop heating, and cool to room temperature; neutralize with ammonia water to pH=7~8, stir evenly , filte...

Embodiment 2

[0044] Embodiment two: the preparation of emulsion

[0045] Mix 27 parts of butyl acrylate and 10 parts of methyl methacrylate, and dissolve 0.8% ammonium persulfate in water. Add deionized water, 0.8 parts of SDS, 0.4 parts of NP-10, and 0.4 parts of NaHCO into a 250ml four-neck flask equipped with an electric mixer, a thermometer and a condenser. 3 , blow nitrogen, raise the temperature to 60°C, stir for 20min, add one-third of the mixture of the two monomers into the flask, stir for 30min, raise the temperature to 70°C, add a quarter of the initiator aqueous solution, and react for 30min. Add 3 parts of vinyltriethoxysilane to the remaining monomer mixture and mix well. Add the mixture of the three monomers and the aqueous solution of the initiator dropwise at a certain rate, raise the temperature to 80°C after the dropwise addition, keep the temperature for 2.5 hours, stop heating, and cool to room temperature; neutralize with ammonia water to pH=7~8, stir evenly , filte...

Embodiment 3

[0046] Embodiment three: the preparation of emulsion

[0047] Mix 29 parts of butyl acrylate and 8 parts of methyl methacrylate, and dissolve 1% ammonium persulfate in water. Add deionized water, 1 part of SDS, 0.5 part of NP-10, 0.4 part of NaHCO into a 250ml four-necked flask equipped with an electric mixer, a thermometer and a condenser 3 , blow nitrogen, raise the temperature to 60°C, stir for 20min, add one-third of the mixture of the two monomers into the flask, stir for 30min, raise the temperature to 70°C, add a quarter of the initiator aqueous solution, and react for 30min. Add 2 parts of vinyltriethoxysilane to the remaining monomer mixture and mix well. Add the mixture of the three monomers and the aqueous solution of the initiator dropwise at a certain rate, raise the temperature to 80°C after the dropwise addition, keep the temperature for 3 hours, stop heating, and cool to room temperature; neutralize with ammonia water to pH=7~8, stir evenly, Filtration, disch...

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Abstract

The invention discloses silicone acrylic emulsion and the application of the silicone acrylic emulsion as a textile finishing agent. The silicone acrylic emulsion is manufactured by the following raw materials in parts by weight: 24-30 parts of butyl acrylate, 6-14 parts of methyl methacrylate, 0.15-1.0 part of initiator, 42.9-67.7 parts of deionized water, 1.2-6 parts of compound emulsifier, 0.3-0.6 part of pH buffer agent, 1-5 parts of vinyltriethoxysilane and 0.1-0.3 part of ammonium hydroxide. The silicone acrylic emulsion of the invention has the advantages that the composition is simple, the consumption of organosilicone monomer is low, the hydrolyzation of siloxane can be efficiently reduced through the matching of the silicone acrylic emulsion and seed emulsion, the polymerization process and the finally obtained emulsion are stable, and the emulsion is high in solid content, low in viscosity and convenient to use; the emulsion is used as the textile finishing agent so as to enable the textile to gain better weight increment and anti-wrinkle performance under the condition of keeping whiteness and intensity, no methyl aldehyde is realized during finishing, preservation and use, and the emulsion has the characteristics of remarkable effect, environmental protection and low cost.

Description

technical field [0001] The invention relates to a fabric finishing agent, in particular to a silicone acrylic emulsion fabric finishing agent and its application. Background technique [0002] Acrylate emulsion has a wide range of sources, low cost, good film-forming properties, high strength and strong adhesion, and good thermal stability, photochemical stability and oxidation resistance, so it is widely used in coatings, adhesives, printing and dyeing, Papermaking, leather and other fields; however, acrylate emulsions have disadvantages such as poor water resistance, poor solvent resistance, brittleness at low temperature, and stickiness at high temperature. Silicone has excellent high temperature and low temperature resistance, high hydrophobicity, good air permeability and superior weather resistance, which can improve the shortcomings of acrylate emulsion. Silicone-modified acrylate emulsions are called silicone-acrylic emulsions, which have the advantages of both acry...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/18C08F220/14C08F230/08C08F2/30C08F2/26D06M15/356D06M101/10
Inventor 徐冬梅
Owner SUZHOU UNIV
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