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Organosilicone-acrylate nanometer emulsion and preparation method thereof

A technology of acrylate and nanoemulsion, applied in the field of nanoemulsion, can solve the problems of unsatisfactory water resistance, poor acid and alkali resistance, and failure to achieve superhydrophobic effect, etc., to improve acid and alkali resistance, reduce damage, and contact angle Improved effect

Active Publication Date: 2016-04-20
济南实成有机硅科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the water resistance of the emulsion is not ideal enough, the superhydrophobic effect cannot be achieved, and the acid and alkali resistance is poor

Method used

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  • Organosilicone-acrylate nanometer emulsion and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Organosilicon-acrylic acid ester nanoemulsion, the following steps are made: (1) the sodium hydroxide solution that concentration is 0.4mol / L is added dropwise in the zinc nitrate solution that concentration is 0.2mol / L, sodium hydroxide solution and zinc nitrate The volume ratio of the solution is 1:1, under nitrogen protection, adjust the pH value to 6.5, stir at 5°C for 40 minutes, age for 3 hours, repeatedly wash with distilled water after suction filtration, and obtain nano-zinc hydroxide after drying;

[0026] (2) the nano-zinc hydroxide that step (1) obtains is added together with DBS solution, water in the stainless steel reaction kettle that lining is polytetrafluoroethylene, and the weight ratio of nano-zinc hydroxide, DBS, water is 1:10: 25. Adjust the pH value to 8.5, heat to 120°C, hydrothermally react for 7 hours, repeatedly wash with distilled water after suction filtration, grind after drying, and pass through a 200-mesh sieve to obtain organic nano-zinc ...

Embodiment 2

[0030] Organosilicon-acrylic acid ester nanoemulsion, the following steps are made: (1) the sodium hydroxide solution that concentration is 0.4mol / L is added dropwise in the zinc nitrate solution that concentration is 0.2mol / L, sodium hydroxide solution and zinc nitrate The volume ratio of the solution is 1:1, under nitrogen protection, adjust the pH value to 6.5, stir at 5°C for 40 minutes, age for 3 hours, repeatedly wash with distilled water after suction filtration, and obtain nano-zinc hydroxide after drying;

[0031] (2) the nano-zinc hydroxide that step (1) obtains is added together with DBS solution, water in the stainless steel reaction kettle that lining is polytetrafluoroethylene, and the weight ratio of nano-zinc hydroxide, DBS, water is 1:10: 25. Adjust the pH value to 8.5, heat to 120°C, hydrothermally react for 7 hours, repeatedly wash with distilled water after suction filtration, grind after drying, and pass through a 200-mesh sieve to obtain organic nano-zinc ...

Embodiment 3

[0035] Organosilicon-acrylic acid ester nanoemulsion, the following steps are made: (1) the sodium hydroxide solution that concentration is 0.4mol / L is added dropwise in the zinc nitrate solution that concentration is 0.2mol / L, sodium hydroxide solution and zinc nitrate The volume ratio of the solution is 1:1, under nitrogen protection, adjust the pH value to 6.5, stir at 5°C for 40 minutes, age for 3 hours, repeatedly wash with distilled water after suction filtration, and obtain nano-zinc hydroxide after drying;

[0036] (2) the nano-zinc hydroxide that step (1) obtains is added together with DBS solution, water in the stainless steel reaction kettle that lining is polytetrafluoroethylene, and the weight ratio of nano-zinc hydroxide, DBS, water is 1:10: 25. Adjust the pH value to 8.5, heat to 120°C, hydrothermally react for 7 hours, repeatedly wash with distilled water after suction filtration, grind after drying, and pass through a 200-mesh sieve to obtain organic nano-zinc ...

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Abstract

The invention provides organosilicone-acrylate nanometer emulsion. The organosilicone-acrylate nanometer emulsion is prepared through the following steps that 1, nanometer zinc hydroxide is prepared; 2, organizing treatment is performed on the nanometer zinc hydroxide; 3, a mixed monomer is prepared and mixed with the organized zinc hydroxide to form a monomer mixture, and an initiator solution and an emulsifier solution are prepared; 4, the monomer mixture and an organosilicone monomer are processed through emulsion polymerization through the initiator and the emulsifier. The organosilicone-acrylate nanometer emulsion has the super hydrophobicity and the very good acid and alkali resistance.

Description

Technical field: [0001] The invention relates to a nanoemulsion, in particular to an organosilicon-acrylate nanoemulsion and a preparation method thereof. Background technique: [0002] Nanoemulsion is an isotropic, thermodynamically stable, transparent or translucent colloidal dispersion system composed of oil, water, emulsifier and co-emulsifier. Since Hoar et al. used oil, water, emulsifiers and alcohols to obtain a transparent and uniform microemulsion system in 1943, due to the particularity of the emulsion polymerization mechanism, the diversity of polymerization methods and the wide range of applications, nanoemulsions have become the most popular in the world today. One of the hot research areas. [0003] Acrylate emulsions have excellent weather resistance, film-forming properties and cohesiveness, and are widely used in coatings and adhesives, but at the same time, they have disadvantages such as poor water resistance, moisture permeability and stain resistance; o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/14C08F220/18C08F220/06C08F230/08C08F2/44C08F2/26C08F2/30C08K9/04C08K3/22B82Y40/00C09D133/12C09D5/08C09D7/12
CPCB82Y40/00C08F2/26C08F2/30C08F2/44C08F220/14C08K3/22C08K9/04C08K2003/2296C08K2201/011C09D5/08C09D7/62C09D133/12C08F220/1804C08F220/06C08F230/08
Inventor 陈梦宁
Owner 济南实成有机硅科技有限公司
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