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A special coating for acrylic topcoat and preparation method thereof

An acrylic topcoat and coating technology, applied in coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve the problems of large environmental pollution, large VOC emissions, slow natural drying, etc., and achieve good anti-corrosion performance and fast drying , good protective effect

Active Publication Date: 2016-06-01
JIANGSU XIN AN NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned special coating for acrylic topcoat also has many shortcomings, such as large VOC emissions, large environmental pollution, and slow natural drying.

Method used

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  • A special coating for acrylic topcoat and preparation method thereof
  • A special coating for acrylic topcoat and preparation method thereof
  • A special coating for acrylic topcoat and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] This embodiment provides a special coating for acrylic topcoats, including two components, A and B, and A and B are two components consisting of A and B components. A and B include the following components in parts by mass, as shown in Table 1 and 2 as shown:

[0043] Table 1 is the components that A contains in parts by mass

[0044]

[0045] Table 2 is the components that B contains in parts by mass

[0046] B component

parts by weight

Polyurethane Modified Acrylic Resin

70

Rutile Titanium Dioxide

23

Texanol

3

Dipropylene glycol butyl ether (DPnB)

3

pure water

20

Silicone

0.2

Hydrophobic modified carboxylic acid sodium salt

0.3

polyethylene glycol dioleate

0.1

Sodium petroleum sulfonate

0.1

diatomaceous earth

0.3

[0047] The preparation method of the special coating comprises the following steps;

[0048] (1) Preparation of A compone...

Embodiment 2

[0064] This embodiment provides a special coating for acrylic topcoat, including two components, A and B, and A and B are two components consisting of A and B components. A and B include the following components in parts by mass, as shown in Table 4 and 5 as shown:

[0065] Table 4 is the components that A contains in parts by mass

[0066]

[0067]

[0068] Table 5 is the components that B contains in parts by mass

[0069] B component

parts by weight

Polyurethane Modified Acrylic Resin

69

Rutile Titanium Dioxide

24.5

Texanol

7.5

Dipropylene glycol butyl ether (DPnB)

7.5

pure water

20

Silicone

0.2

Hydrophobic modified carboxylic acid sodium salt

0.35

polyethylene glycol dioleate

0.35

Sodium petroleum sulfonate

0.1

diatomaceous earth

0.5

[0070] The preparation method of the special coating comprises the following steps;

[0071] (1) Prepa...

Embodiment 3

[0088] This embodiment provides a special coating for acrylic topcoat, including two components, A and B, and A and B are two components consisting of components A and B. A and B include the following components in parts by mass, as shown in Table 7 and 8 as shown:

[0089] Table 7 is the components that A contains in parts by mass

[0090]

[0091] Table 8 is the components that B contains in parts by mass

[0092] B component

parts by weight

Polyurethane Modified Acrylic Resin

67

Rutile Titanium Dioxide

25

Texanol

7.5

Dipropylene glycol butyl ether (DPnB)

7.5

pure water

20

Silicone

0.1

Hydrophobic modified carboxylic acid sodium salt

0.2

[0093] polyethylene glycol dioleate

0.2

Sodium petroleum sulfonate

0.1

diatomaceous earth

0.4

[0094] The preparation method of the special coating comprises the following steps;

[0095] (1) Pr...

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Abstract

The invention discloses a special coating for acrylic finishes, and a making method thereof. The special coat comprises a component I and a component II having a same amount with the component II, the component I is formed by a component A and a component B, the component A in the component I comprises modified epoxy resin, a flexibilizer, mica, an assistant and an anti-settling agent, the component B in the component comprises a curing agent and a coupling agent; and the component II comprises polyurethane modified acrylic resin, rutile titanium dioxide, a film forming assistant, purified water, an antifoaming agent, a dispersant, a flash rust inhibitor and a thickening agent. The special coating is obtained by preparing the component I, preparing the component II and compounding the component I with the component II. The coating has the advantages of strong adhesion, unlikely shedding, good impermeability, good corrosion resistance, strong weatherability, unlikely saponification and fast drying, and has a very good protection effect at a low temperature.

Description

technical field [0001] The invention relates to a coating and a preparation method thereof, in particular to a special coating for an acrylic topcoat and a preparation method thereof, belonging to the technical field of anti-corrosion coatings. Background technique [0002] Outdoor steel structure materials include large construction machinery, bridges, public facilities, etc. It is necessary to take anti-corrosion measures for outdoor steel structure materials. Among various anti-corrosion technologies and measures, the use of coating anti-corrosion is the simplest and most effective method. There are also some paints for spraying on the surface of objects in the prior art, but the spraying effect is not very satisfactory, and there are shortcomings such as poor appearance quality, easy corrosion, wear, and poor outdoor weather resistance, thereby affecting the appearance quality and image of the object. Traditional coatings for outdoor steel structure materials are solven...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D163/10C09D163/02C09D163/04C09D7/12C09D175/14C09D5/08C08G18/67
Inventor 杨松林吴福娣陈晓兵
Owner JIANGSU XIN AN NEW MATERIALS TECH
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