Non-ionic aqueous epoxy resin emulsion and its preparation method

A technology of water-based epoxy resin and epoxy resin, applied in the direction of epoxy resin coating, coating, etc., can solve the problems of cumbersome preparation methods and unfavorable large-scale production, and achieve simple preparation process, good storage stability, particle size small diameter effect

Active Publication Date: 2011-11-02
湖南松井先进表面处理与功能涂层研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the preparation method is extremely cumbersome, which is not conducive to large-scale production

Method used

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  • Non-ionic aqueous epoxy resin emulsion and its preparation method
  • Non-ionic aqueous epoxy resin emulsion and its preparation method
  • Non-ionic aqueous epoxy resin emulsion and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Prepare raw materials according to the following components and their mass percentages in the total materials:

[0041] Component Mass percent (wt.%)

[0042] E-51 40%,

[0043] Epoxy Emulsifier 13%,

[0044] Deionized water 37%,

[0045] Trimethylolpropane Triglycidyl Ether 10%,

[0046] Wherein said epoxy resin emulsifier component and component mass percent content are as follows:

[0047] E-51 18%,

[0048] M-2070 57%,

[0049] Polyethylene Glycol Diglycidyl Ether 15%,

[0050] Propylene Glycol Methyl Ether 10%,

[0051] In a reactor equipped with reflux, heating and stirring devices, add epoxy resin E-51 and polyethylene glycol diglycidyl ether, mix well, raise the temperature to 120 ° C, and then slowly drop M- 2070 solution (about 1h after dripping), continue to react at constant temperature for 2h, and obtain a slightly yellow epoxy resin emulsifier.

[0052] Mix the above-prepared epoxy resin emulsifier, epoxy resin E-51, and trimethylolpropane triglyc...

Embodiment 2

[0061] Prepare raw materials according to the following components and their mass percentages in the total materials:

[0062] Component mass percentage (wt.%)

[0063] E-44 34%,

[0064] Epoxy Emulsifier 16%,

[0065] Deionized water 45%,

[0066] Octyl Glycidyl Ether 5%,

[0067] Wherein said epoxy resin emulsifier component and component mass percent content are as follows:

[0068] E-44 23%,

[0069] M-600 25%,

[0070] M-2070 20%,

[0071] Polypropylene Glycol Diglycidyl Ether 20%,

[0072] Propylene Glycol Butyl Ether 12%,

[0073] In the reactor equipped with reflux, heating and stirring devices, add epoxy resin E-44 and polypropylene glycol diglycidyl ether, mix well, raise the temperature to 125°C, and then slowly add M-600 dissolved in propylene glycol butyl ether dropwise, M-2070 solution (about 1.5h after dripping), continue to react at constant temperature for 3h, and obtain a slightly yellow epoxy resin emulsifier.

[0074] Mix the epoxy resin emulsifie...

Embodiment 3

[0081] Prepare raw materials according to the following components and their mass percentages in the total materials:

[0082] Component Mass percent (wt.%)

[0083] E-51 25%,

[0084] Epoxy resin emulsifier 20%,

[0085] Deionized water 50%,

[0086] Phenyl Glycidyl Ether 5%,

[0087] Wherein said epoxy resin emulsifier component and component mass percent content are as follows:

[0088] E-51 30%,

[0089] M-1000 12%,

[0090] M-2070 15%,

[0091] Polypropylene Glycol Triglycidyl Ether 30%,

[0092] Propylene Glycol Methyl Ether 13%,

[0093] In the reaction device equipped with reflux, heating and stirring devices, add epoxy resin E-51 and polypropylene glycol triglycidyl ether, mix well, raise the temperature to 130°C, and then slowly add M-1000 dissolved in propylene glycol methyl ether dropwise, M-2070 solution (after about 1 hour of dripping), continue to react at constant temperature for 2.5 hours to obtain a slightly yellow epoxy resin emulsifier.

[0094] M...

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Abstract

The invention relates to the technical field of chemical painting, specifically to a non-ionic aqueous epoxy resin emulsion and its preparation method. The preparation method of the non-ionic aqueous epoxy resin emulsion provided by the invention comprises the following steps of: firstly, slowly adding dropwisely mono-aminopolyether dissolved by an organic solvent into a mixture of epoxy resin and polyalcohol glycidyl ether to react at the temperature of 90-160 DEG C so as to generate an epoxy-terminated intermediate product, namely an epoxy resin emulsifier; and secondly, mixing the epoxy resin, an epoxy diluent and the epoxy resin emulsifier at the temperature of 40-50 DEG C, slowly adding dropwisely deionized water under high-speed shearing, followed by phase inversion to produce the stable aqueous epoxy resin emulsion. The epoxy resin emulsion provided by the invention has small particle size and high stability; in addition, the solidified film performance of the emulsion is excellent and the production process flow is simple. The aqueous epoxy emulsion provided by the invention can be applied in aqueous paintings and aqueous binders, such as terrace paintings, industrial protection paintings and the like.

Description

technical field [0001] The invention relates to the technical field of chemical coatings, in particular to a nonionic water-based epoxy resin emulsion and a preparation method thereof. Background technique [0002] Traditional epoxy resin coatings have the advantages of high adhesion, good wear resistance, and excellent chemical and solvent resistance. As a primer, they can be applied to almost all material surfaces, and are widely used in the manufacture of industrial anti-corrosion coatings and food packaging. Coatings, electrophoretic coatings and powder coatings, etc. As people's requirements for environmental protection become increasingly urgent and strict, the development of low-VOC (volatile organic compound) waterborne epoxy resin systems and related coating products has become a new research direction. [0003] Chinese invention patent (publication number CN 101117377A) discloses a kind of preparation method of water-based epoxy resin, and this method is: (1) in b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G59/50C08G59/20C08J3/03C09D163/00C09D163/02C09D163/04
Inventor 刘娅莉王增伟惠海军刘持军
Owner 湖南松井先进表面处理与功能涂层研究院有限公司
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