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A kind of alkyd phase inversion emulsion and its preparation method and application

A phase-inversion and alkyd technology, which is applied in the field of alkyd phase-inversion emulsion and its preparation, can solve the problems of aggravated health hazards, slow coating film drying, high resin viscosity, etc., and achieves low environmental pollution, good adhesion, and oxidative drying fast effect

Active Publication Date: 2017-09-19
山东奔腾漆业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, most water-based alkyd products in the market are water-soluble, that is, on the basis of traditional alkyd resins, use trimellitic anhydride or maleic anhydride to control the acid value at 40-60 mgKOH / g, and then add 30-40% glycol ether or Diluted with butanol organic solvents, and finally neutralized with toxic amines, resulting in high resin viscosity, slow drying of the coating film, low hardness, resistance to hydrolysis, and storage stability of the finished paint; on the other hand, organic The health hazards of volatile substances to people are increasing day by day, causing the haze weather to increase gradually. With the progress of society, the continuous improvement of people's environmental requirements and the continuous improvement of environmental protection standards and regulations, environmentally friendly green coatings with low VOC and air pollutants It has increasingly received people's attention and has developed rapidly

Method used

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  • A kind of alkyd phase inversion emulsion and its preparation method and application
  • A kind of alkyd phase inversion emulsion and its preparation method and application
  • A kind of alkyd phase inversion emulsion and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The alkyd phase inversion emulsion white paint comprises the following components by weight:

[0031]

[0032]

[0033] Wherein, the mass solid concentration of alkyd emulsion is 50%, and it is made up of the following components by weight:

[0034]

[0035] Wherein, the preparation method of alkyd phase inversion emulsion white paint comprises the following steps:

[0036] (1) After mixing 50% deionized water, defoamer A-10, pigments and fillers (rutile titanium dioxide), dispersant, and propylene glycol, disperse at a speed of 1000r / min for 20min, and grind until the fineness reaches 35μm, poured into paint pots;

[0037] (2) Add alkyd phase-inversion emulsion, add the remaining amount of deionized water and stir evenly, and disperse at a speed of 700r / min for 5-15min;

[0038] (3) Add rheological agent 8w and rheological agent 2020, and stir at 700r / min for 30min to obtain the product.

[0039] Wherein, the alkyd phase inversion emulsion resin is prepared...

Embodiment 2

[0048] The alkyd phase inversion emulsion white paint comprises the following components by weight:

[0049]

[0050] Wherein, the mass solid concentration of alkyd emulsion is 52%, and it is made up of following components by weight:

[0051]

[0052] Wherein, the preparation method of alkyd phase inversion emulsion white paint comprises the following steps:

[0053] (1) After mixing 40% deionized water, defoamer A-10, pigments and fillers (rutile titanium dioxide), dispersant, and propylene glycol, disperse at a speed of 800r / min for 25min, and grind until the fineness reaches 35μm, poured into paint pots;

[0054] (2) Add alkyd phase-inversion emulsion, add the remaining amount of deionized water and stir evenly, and disperse for 15 minutes at a speed of 600r / min;

[0055] (3) Then add rheological agent 8w and rheological agent 2020, and stir at a speed of 600r / min for 35min to obtain the product.

[0056] Wherein, the alkyd phase inversion emulsion resin is prepar...

Embodiment 3

[0065] The alkyd phase inversion emulsion white paint comprises the following components by weight:

[0066]

[0067]

[0068] Wherein, the mass solid concentration of alkyd emulsion is 48%, and it is made up of the following components by weight:

[0069]

[0070] (1) After mixing 60% deionized water, defoamer A-10, pigments and fillers (rutile titanium dioxide), dispersant, and propylene glycol, disperse at a speed of 1200r / min for 15min, and grind until the fineness reaches 35μm, poured into paint pots;

[0071] (2) Add alkyd phase-inversion emulsion, add the remaining amount of deionized water and stir evenly, and disperse for 5 minutes at a speed of 800r / min;

[0072] (3) Add rheological agent 8w and rheological agent 2020, and stir at 800r / min for 25min to obtain the product.

[0073] Wherein, the alkyd phase inversion emulsion resin is prepared by the following method:

[0074] (1) Put soy oil, phthalic anhydride, pentaerythritol and reflux solvent into an e...

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PUM

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Abstract

An alkyd phase-inversion emulsion coating provided by the present invention comprises the following components in parts by weight: 60-70 parts of alkyd phase-inversion emulsion; 10-20 parts of pigments and fillers; 1-1.5 parts of rheological agent; 0.05 parts of defoamer ~0.1 part; 0.5~1 part of oily drier; 10~25 parts of deionized water. The alkyd phase inversion emulsion provided by the invention has extremely low VOC value, good chemical resistance, water resistance and salt spray resistance of the paint, and wide application range.

Description

technical field [0001] The invention belongs to the field of coatings, in particular to an alkyd phase-inversion emulsion and its preparation method and application. Background technique [0002] Alkyd coatings have excellent technological properties, mechanical properties and physical properties, and are widely used in the fields of mechatronics, aviation, transportation and construction. [0003] Currently, traditional alkyd resins are water-insoluble or solvent-based coatings. On the one hand, most water-based alkyd products in the market are water-soluble, that is, on the basis of traditional alkyd resins, use trimellitic anhydride or maleic anhydride to control the acid value at 40-60 mgKOH / g, and then add 30-40% glycol ether or Diluted with butanol organic solvents, and finally neutralized with toxic amines, resulting in high resin viscosity, slow drying of the coating film, low hardness, resistance to hydrolysis, and storage stability of the finished paint; on the ot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J3/07C08G63/52C08G63/49C09D167/06C09D7/12
Inventor 孟祥开孟令汉张庆忠徐步峰
Owner 山东奔腾漆业股份有限公司
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