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Quick-drying water-fast exterior wall coating material and preparation method thereof

A technology for exterior wall coatings and raw materials, applied in the direction of polyester coatings, coatings, etc., can solve problems such as long drying time and affect engineering, and achieve the effects of improving surface drying time, improving water resistance, and accelerating solidification

Inactive Publication Date: 2016-11-16
胡运冲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the drying time of the paint is longer, which will affect the progress of subsequent projects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The quick-drying water-resistant exterior wall paint comprises the following raw materials in parts by weight: 60 parts of acrylic latex, 65 parts of modified alkyd resin, 30 parts of carboxymethyl cellulose, 30 parts of hydroxyethyl cellulose, 25 parts of wood cellulose, Magnesium oxide 50 parts, tin oxide 15 parts, barium sulfate 55 parts, tributyl phosphate 6 parts, sodium dihydrogen phosphate 12 parts, boric acid 25 parts, polyethoxy 30 parts, nicotinamide 45 parts, water 110 parts.

[0018] Vegetable oils are tung oil, linseed oil and soybean oil in a mass ratio of 1:2:1.

[0019] The particle diameter of magnesium oxide is 80nm.

[0020] The preparation method of the modified alkyd resin comprises the following steps: putting vegetable oil and glycerin into a reaction kettle, stirring, blowing nitrogen, heating up to 180°C, adding fatty acid, phthalic acid and glycerin, continuing to heat up to 245°C, and keeping the temperature React for 60 minutes, add toluene ...

Embodiment 2

[0023] The quick-drying water-resistant exterior wall paint comprises the following raw materials in parts by weight: 50 parts of acrylic latex, 60 parts of modified alkyd resin, 20 parts of carboxymethyl cellulose, 20 parts of hydroxyethyl cellulose, 20 parts of wood cellulose, 10 parts of magnesium oxide, 10 parts of tin oxide, 50 parts of barium sulfate, 4 parts of tributyl phosphate, 10 parts of sodium dihydrogen phosphate, 20 parts of boric acid, 10 parts of polyethoxylate, 40 parts of nicotinamide, and 100 parts of water.

[0024] Vegetable oils are tung oil, linseed oil and soybean oil in a mass ratio of 1:2:1.

[0025] The particle size of magnesium oxide is 70nm.

[0026] The preparation method of the modified alkyd resin comprises the following steps: putting vegetable oil and glycerin into a reaction kettle, stirring, blowing nitrogen, heating up to 150°C, adding fatty acid, phthalic acid and glycerol, continuing to heat up to 240°C, and keeping the temperature Rea...

Embodiment 3

[0029] The quick-drying water-resistant exterior wall paint comprises the following raw materials in parts by weight: 80 parts of acrylic latex, 70 parts of modified alkyd resin, 50 parts of carboxymethyl cellulose, 50 parts of hydroxyethyl cellulose, 30 parts of wood cellulose, 60 parts of magnesium oxide, 20 parts of tin oxide, 60 parts of barium sulfate, 8 parts of tributyl phosphate, 15 parts of sodium dihydrogen phosphate, 30 parts of boric acid, 50 parts of polyethoxylate, 50 parts of nicotinamide, and 120 parts of water.

[0030] Vegetable oils are tung oil, linseed oil and soybean oil in a mass ratio of 1:2:1.

[0031] The particle size of magnesium oxide is 90nm.

[0032] The preparation method of the modified alkyd resin comprises the following steps: putting vegetable oil and glycerin into a reaction kettle, stirring, blowing nitrogen, heating up to 200°C, adding fatty acid, phthalic acid and glycerin, continuing to heat up to 250°C, and keeping the temperature Rea...

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Abstract

The invention discloses a quick-drying water-fast exterior wall coating material and a preparation method thereof. The coating material is prepared from the following raw materials in parts by weight: 50 to 80 parts of acrylic latex, 60 to 70 parts of modified alkyd resin, 20 to 50 parts of carboxymethyl cellulose, 20 to 50 parts of hydroxyethyl cellulose, 20 to 30 parts of lignocellulose, 10 to 60 parts of magnesium oxide, 10 to 20 parts of tin oxide, 50 to 60 parts of barium sulfate, 4 to 8 parts of tributyl phosphate, 10 to 15 parts of sodium dihydrogen phosphate, 20 to 30 parts of boric acid, 10 to 50 parts of polyethyoxyl, 40 to 50 parts of nicotinic acid amide and 100 to 120 parts of water. The preparation method of the quick-drying water-fast exterior wall coating material comprises the following steps of mixing all components, and then carrying out ball milling on an obtained first mixture; finally, adding the modified alkyd resin into the ball-milled first mixture, and carrying out the ball milling on an obtained second mixture for 20min to 30min, so that the quick-drying water-fast exterior wall coating material is obtained. The quick-drying water-fast exterior wall coating material is high in water resistance; the scrubbing resistance and the shock strength of the coating material are improved through the addition of the nicotinic acid amide, and the water resistance of the quick-drying water-fast exterior wall coating material is further improved to a certain extent.

Description

technical field [0001] The invention relates to a quick-drying water-resistant exterior wall paint and a preparation method thereof. Background technique [0002] Exterior wall paint is mainly used to paint the exterior of buildings. Its function is to resist ultraviolet rays and water to protect buildings. Therefore, exterior wall coatings also require sun resistance and water resistance. [0003] The Chinese patent application with the application number CN201210345158.3 discloses a photocatalytic nanoscale multifunctional exterior wall coating, which is mainly composed of acrylic emulsion, additives and fillers, and is characterized in that it also includes nano-TiO2, SiO2 and inorganic antibacterial and antifungal agents . Compared with traditional products, the present invention solves the dispersibility and stability of nanomaterials in coatings, the interaction between nanomaterials and other materials such as polymer emulsions, the amount of nanomaterials and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/08C09D133/00C09D7/12
CPCC09D167/08C08L2205/035C09D7/61C09D7/63C09D7/65C09D133/00C08L33/00C08L1/286C08L1/284C08K13/02C08K2003/222C08K2003/2231C08K2003/3045C08K5/521C08K3/38C08L67/08
Inventor 胡运冲
Owner 胡运冲
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