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Reactive phosphoric acid esters emulsifying agents and method for preparing same

A reactive phosphoric acid and functional emulsifier technology, applied in chemical instruments and methods, applications, edible phospholipid compositions, etc., can solve problems such as poor product stability, whitening, environmental pollution, etc., and achieve superior performance, high conversion rate, Process stability effect

Inactive Publication Date: 2011-03-30
NORTHWEST NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional emulsifiers have their own shortcomings that are difficult to overcome, mainly in poor product stability, affecting film forming speed, causing environmental pollution, and affecting the water resistance and chemical corrosion resistance of the paint film, etc., and the emulsifier molecules in the paint film are easily Migration to the surface causes "whitening" and affects the performance of the paint film

Method used

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  • Reactive phosphoric acid esters emulsifying agents and method for preparing same
  • Reactive phosphoric acid esters emulsifying agents and method for preparing same
  • Reactive phosphoric acid esters emulsifying agents and method for preparing same

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Add 8 grams of 98% phosphoric acid and 20 grams of acetone to the reaction flask, add 0.06 grams of hydroquinone after stirring at 30 ° C for one hour, then add 12 grams of glycidyl methacrylate dropwise to the reaction system, drop for 1 hour After the addition was complete, the reaction was stirred at 40°C for 2 hours. After the reaction was completed, the acetone was distilled off under reduced pressure at 40°C to obtain the product, which was packaged and sealed at room temperature for storage.

Embodiment 2

[0024] Add 10 grams of 98% phosphoric acid and 30 grams of acetone to the reaction flask, add 0.07 grams of hydroquinone after stirring at 30 ° C for one hour, then add 14 grams of glycidyl methacrylate dropwise to the reaction system, drop for 2 hours After the addition was complete, the reaction was stirred at 40°C for 3 hours. After the reaction was completed, the acetone was distilled off under reduced pressure at 40°C to obtain the product, which was packaged and sealed at room temperature for storage.

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Abstract

The invention relates to a reaction-type phosphate ester-class functional emulsifying agent and a method for making the same. The chemical structure of the reaction-type phosphate ester-class functional emulsifying agent is as above. The functional emulsifying agent, adopting epoxypropyl methacrylate and phosphoric acid as raw material, acetone as reaction medium and hydrochinone as polymerization inhibitor, is obtained after solvent is removed through vacuum distillation when reaction is finished at a lower temperature. The functional emulsifying agent not only has the advantages of ordinaryfunctional emulsifying agent, but also has an anti-rust function. Therefore, the method provides an emulsifying agent with outstanding performances for the development of aqueous anti-rust paint, andhas tremendous application value.

Description

technical field [0001] The invention relates to the technical field of reactive functional emulsifiers, in particular to a reactive phosphate functional emulsifier and a preparation method thereof. Background technique [0002] With the development of science and technology and the continuous improvement of people's awareness of environmental protection, the research and development of environmentally friendly water-based functional coatings has attracted more and more attention from scientific and technological workers, and has become one of the hot spots and frontiers of coating research and development. Water-based coatings are composed of water-based resins, pigments and fillers, additives, neutralizers, water, etc. Emulsion polymerization is one of the main methods for preparing resins. In emulsion polymerization, emulsifier plays a very important role. However, traditional emulsifiers have their own shortcomings that are difficult to overcome, mainly in poor product ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F9/10B01F17/14C09K23/14
Inventor 王云普王喜平张守村李红坤申永前
Owner NORTHWEST NORMAL UNIVERSITY
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