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Acid-resistant coating for wooden ancient buildings in heavy industry environment, preparation method and application method

An ancient building, acid-resistant technology, used in chemical instruments and methods, polyurea/polyurethane coatings, coatings, etc., can solve problems such as poor acid resistance, and achieve the effects of rapid drying, good construction performance, and wide application.

Active Publication Date: 2018-01-16
JIANGSU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these coatings have the function of waterproofing, their acid resistance is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0036] The invention also discloses a preparation method of the acid-resistant paint for wooden ancient buildings in heavy industrial environment. The method comprises the steps of:

[0037] Step S01: Prepare the first component. As mentioned above, the first component includes the following components in parts by mass: 90-120 parts of acrylic polyurethane aqueous dispersion, 0.5-1.5 parts of thixotropic agent, 5-20 parts of water, and 10-20 parts of acid resistant agent.

[0038] Step S02: Prepare the second component. As mentioned above, the second component includes the following components in parts by mass: 2-8 parts of propylene glycol methyl ether acetate, 0.5-5 parts of dispersant, 0.2-0.8 parts of defoamer, 10-30 parts of water, 10-40 parts of superfine talcum powder, 10-40 parts of kaolin, 10-30 parts of iron red, and 0.8-1.2 parts of dimethyl methylphosphonate.

[0039] Step S03: Pack the first component and the second component separately according to the mass ra...

Embodiment 1

[0047] According to the method of the invention, the acid-resistant coating for wooden ancient buildings in heavy industrial environment is prepared. The first component and the second component of the heavy industrial environment wooden ancient building acid-resistant coating in Example 1 are composed according to the mass ratio of 1:2. Wherein, the first component includes the following components in parts by mass: 100 parts of acrylic polyurethane water dispersion, 1 part of thixotropic agent, 5 parts of water, and 10 parts of acid resistant agent. The second component includes the following components in parts by mass: 3 parts of propylene glycol methyl ether acetate, 1 part of dispersant, 0.5 parts of defoamer, 15 parts of water, 20 parts of superfine talcum powder, 15 parts of kaolin, iron red 15 parts, 0.8 parts of dimethyl methylphosphonate.

[0048] The heavy industry environment wooden ancient building acid-resistant coating of embodiment 1 is carried out performanc...

Embodiment 2

[0053] According to the method of the invention, the acid-resistant coating for wooden ancient buildings in heavy industrial environment is prepared. The first component and the second component of the heavy industrial environment wooden ancient building acid-resistant coating in Example 2 are composed according to the mass ratio of 1:4. Wherein, the first component includes the following components in parts by mass: 110 parts of aqueous acrylic polyurethane dispersion, 1 part of thixotropic agent, 5 parts of water, and 15 parts of acid resistant agent. The second component includes the following components in parts by mass: 5 parts of propylene glycol methyl ether acetate, 1 part of dispersant, 0.5 parts of defoamer, 15 parts of water, 20 parts of superfine talcum powder, 15 parts of kaolin, iron red 15 parts, 1 part of dimethyl methylphosphonate.

[0054] The heavy industry environment wooden ancient building acid-resistant coating of embodiment 2 is carried out performance...

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Abstract

The invention discloses an acid-resistant coating for wooden ancient buildings in a heavy industrial environment, which is composed of a first component and a second component with a mass ratio of 1:2 to 1:4, the first component includes The following components: 90-120 parts of acrylic polyurethane aqueous dispersion, 0.5-1.5 parts of thixotropic agent, 5-20 parts of water, 10-20 parts of acid-resistant agent; the second component includes the following components in parts by mass : Propylene glycol methyl ether acetate 2-8 parts, dispersant 0.5-5 parts, defoamer 0.2-0.8 parts, water 10-30 parts, superfine talcum powder 10-40 parts, kaolin 10-40 parts, iron red 10 parts ~30 parts, 0.8~1.2 parts of dimethyl methylphosphonate. The invention also discloses a preparation method and an application method of the acid-resistant paint for the wooden ancient building in the heavy industrial environment. The coating of the invention is suitable for waterproofing and anti-acid corrosion construction of exterior walls of ancient wooden buildings, and indoor waterproof and anti-acid corrosion construction.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to an acid-resistant coating for wooden ancient buildings in a heavy industrial environment, a preparation method for the acid-resistant coating for ancient wooden buildings in a heavy industrial environment, and an application method for the acid-resistant coating for ancient wooden buildings in a heavy industrial environment. Background technique [0002] In recent years, the harm of climate change and environmental change to ancient buildings has attracted more and more attention of cultural relic experts. With the development of human industrial activities, there are more and more acidic substances such as carbon dioxide, hydrogen sulfide, and sulfur dioxide in the atmosphere. These substances fall to the ground with rainwater, causing serious acid rain pollution. And acid rain is obviously harmful to ancient buildings. As the global climate warms, the temperature ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/14C09D7/61C09D7/63C09C1/02C09C3/06
Inventor 王泽董观秀徐修玲卢雅琳谈衡叶霞李仁兴
Owner JIANGSU UNIV OF TECH
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