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Modified acrylic coating material and preparation method thereof, glossiness adjusting method and application

A technology of acrylic and acrylic resin, which is applied in the direction of polyester coating, polyacetal coating, coating, etc., can solve the problem of uncontrollable coating gloss, achieve considerable aesthetic value, improve coating gloss, and solve environmental protection problems. Effect

Active Publication Date: 2019-03-01
肇庆千江高新材料科技股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The first purpose of the present invention is to provide a modified acrylic paint, by adjusting the amount of each component, the gloss of the modified acrylic paint can be controlled, so as to solve the technical problem of uncontrollable gloss of the paint in the prior art

Method used

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  • Modified acrylic coating material and preparation method thereof, glossiness adjusting method and application
  • Modified acrylic coating material and preparation method thereof, glossiness adjusting method and application
  • Modified acrylic coating material and preparation method thereof, glossiness adjusting method and application

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Experimental program
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Effect test

Embodiment 1

[0067] The preparation method of the modified acrylic paint of the present embodiment may further comprise the steps:

[0068] (1) Weigh the raw materials according to the weight ratio in the table

[0069]

[0070] (2) Alkyd resin and water-soluble acrylic resin are mixed evenly under the rotating speed of mechanical stirring 800rpm / min, then add the mixed solution of propylene glycol methyl ether, dipropylmethanol butyl ether, water and stir for 10min, stir evenly;

[0071] (3) Add a pH regulator to the material obtained in step (2) to adjust the pH to 8.0-8.5, then add the remaining additives and white pulp, and stir for 5-10min at a speed of 1000-1200rpm / min to obtain Binder;

[0072] (4) Then take the base material, according to the weight ratio of base material and polyurethane curing agent is 1:0.25, mix the base material and curing agent evenly, add water to dilute until the viscosity is 18-20s (Yantian No. 2 cup), and then spray On the tinplate patch, after dryin...

Embodiment 2

[0074] The preparation method of the modified acrylic paint of the present embodiment may further comprise the steps:

[0075] (1) Weigh the raw materials according to the weight ratio in the table

[0076]

[0077] Among them, the preparation method of the A81 polyaldehyde resin solution is: mix 95% vol ethanol aqueous solution and ethyl acetate in a mass ratio of 1:1 to make a composite solvent, and set aside; take 400g of the composite solvent and put it in a dispersion tank, Add 600g of solid polyaldehyde resin A81 while stirring, stir at room temperature for 30 minutes, seal and stand still to obtain A81 polyaldehyde resin solution;

[0078] (2) Alkyd resin and water-soluble acrylic resin are mixed evenly under the rotating speed of mechanical stirring 800rpm / min, then add the mixed solution of propylene glycol methyl ether, dipropylmethanol butyl ether, water and stir for 10min, stir evenly;

[0079] (3) Add a pH regulator to the material obtained in step (2) to adju...

Embodiment 3

[0082] The preparation method of the modified acrylic paint of the present embodiment may further comprise the steps:

[0083] (1) Weigh the raw materials according to the weight ratio in the table

[0084]

[0085]

[0086] Among them, the preparation method of the A81 polyaldehyde resin solution is: mix 95% vol ethanol aqueous solution and ethyl acetate in a mass ratio of 1:1 to make a composite solvent, and set aside; take 400g of the composite solvent and put it in a dispersion tank, Add 600g of solid polyaldehyde resin A81 while stirring, stir at room temperature for 30 minutes, seal and stand still to obtain A81 polyaldehyde resin solution;

[0087] (2) Alkyd resin and water-soluble acrylic resin are mixed evenly under the rotating speed of mechanical stirring 800rpm / min, then add the mixed solution of propylene glycol methyl ether, dipropylmethanol butyl ether, water and stir for 10min, stir evenly;

[0088] (3) Add a pH regulator to the material obtained in step...

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Abstract

The invention relates to the technical field of coating material production, in particular to a modified acrylic coating material and a preparation method thereof, a glossiness adjusting method and anapplication. The modified acrylic coating material is mainly prepared from the following components in parts by weight: 10-20 parts of alkyd resin, 35-50 parts of acrylic resin, 2-3 parts of proprylene glycol monomethyl ether, 1-2 parts of dipropyl methanol butyl ether, 0.5-2 parts of water, 20-26 parts of color paste, 3-8 parts of auxiliary agents and 0.1-40 parts of polyaldehyde resin solution,wherein the polyaldehyde resin solution is mainly prepared by dissolving polyaldehyde resin in a composite solvent. The coating material adopts the polyaldehyde resin, which comprises multiple N, C =O,-OH groups with high molar refractive index and a saturated cyclic structure, and the polyaldehyde resin is dissolved in the composite solvent in advance to promote the polyaldehyde resin to be well dispersed in an aqueous paint system, so that the coating layer prepared by the coating material has high gloss, hardness, degradation resistance, weather resistance, water resistance and heat resistance.

Description

technical field [0001] The invention relates to the technical field of paint production, in particular to a modified acrylic paint, a preparation method thereof, a gloss adjustment method and application thereof. Background technique [0002] The surface coating of high-speed rail, new energy vehicles, passenger cars, buses, trucks, mechanical equipment, hardware components, etc. all require certain paint aesthetics, and this paint aesthetics is closely related to culture and habits. For chemical researchers, more attention is paid to the physical properties of coatings, but less attention is paid to the aesthetics of coatings. As everyone knows, the aesthetics of coatings in the market largely affects consumer choices, even more important than physical properties. Coating aesthetics are diverse, including tactile aesthetics and visual aesthetics. Tactile aesthetics includes thickness, wetness, slippery, etc.; visual aesthetics includes color, texture, texture, fullness, g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/12C09D167/08C09D159/00C09D7/20
CPCC09D133/14C09D7/20C09D7/65C08L67/08C08L59/00
Inventor 李会宁杨鹏博万俊亮
Owner 肇庆千江高新材料科技股份公司
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