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Anti-ageing and corrosion-resistant coating for guardrail and preparation method thereof

An anti-aging and corrosion-resistant technology, applied in the field of coatings, can solve problems such as shortening the service life of handrails, failure to meet construction requirements, threats to human health, etc., and achieve the effects of prolonging service life, improving anti-aging performance, and improving gloss

Inactive Publication Date: 2018-07-13
HEFEI SHANGHAN DECORATION ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Paint is coated on the surface of the object to be protected or decorated, and can form a continuous film firmly attached to the object to be coated, usually based on resin, or oil, or emulsion, with or without adding pigments, fillers, adding The corresponding additives are viscous liquids prepared with organic solvents or water. The handrails are easily corroded when placed in a humid environment or in the rain. After a long time, the color of the handrails will disappear. In addition, some handrails are exposed to the external environment. Medium and long-term exposure to the sun or rain will greatly shorten the service life of the handrail
[0003] In the prior art, commonly used coatings will be exposed to wind, rain and sun during use, causing corrosion, degradation and discoloration of the coatings on the surface. In addition, the coatings used for indoor handrails will release toxic substances. Human health has been threatened to a certain extent, and the construction has not yet met the requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The anti-aging and anti-corrosion paint that a kind of handrail of the present embodiment is used comprises the raw material of following weight part:

[0035] 42 parts of acrylic resin, 36 parts of epoxy resin, 28 parts of polyester resin, 22 parts of amino resin, 14 parts of titanium dioxide, 12 parts of iron oxide powder, 9 parts of copper oxide powder, 8 parts of mica powder, 4-parts of anti-aging agent , 3 parts of defoamer, 2 parts of dispersant, 1 part of thickener, 38 parts of solvent.

[0036] The polyester resin in this embodiment is a polyester resin containing terminal hydroxyl functional groups.

[0037] The anti-aging agent in this embodiment is hindered phenolic antioxidant.

[0038] The defoamer in this example is a mixture of emulsified silicone oil, higher alcohol fatty acid complex, and polydimethylsiloxane in a weight ratio of 2:1:3.

[0039] The dispersants in this example are metal soaps.

[0040] The thickener in this embodiment is methyl cellu...

Embodiment 2

[0048] The anti-aging and anti-corrosion paint that a kind of handrail of the present embodiment is used comprises the raw material of following weight part:

[0049] 48 parts of acrylic resin, 40 parts of epoxy resin, 32 parts of polyester resin, 26 parts of amino resin, 18 parts of titanium dioxide, 16 parts of iron oxide powder, 11 parts of copper oxide powder, 10 parts of mica powder, 7 parts of anti-aging agent, 5 parts of defoamer, 4 parts of dispersant, 3 parts of thickener, 44 parts of solvent.

[0050] The polyester resin in this embodiment is a polyester resin containing terminal hydroxyl functional groups.

[0051] The anti-aging agent in this embodiment is hindered phenolic antioxidant.

[0052] The defoamer in this example is a mixture of emulsified silicone oil, higher alcohol fatty acid complex, and polydimethylsiloxane in a weight ratio of 2:1:3.

[0053]The dispersants in this example are metal soaps.

[0054] The thickener in this embodiment is methyl cell...

Embodiment 3

[0062] The anti-aging and anti-corrosion paint that a kind of handrail of the present embodiment is used comprises the raw material of following weight part:

[0063] 45 parts of acrylic resin, 38 parts of epoxy resin, 30 parts of polyester resin, 24 parts of amino resin, 16 parts of titanium dioxide, 14 parts of iron oxide powder, 10 parts of copper oxide powder, 9 parts of mica powder, 5.5 parts of anti-aging agent, 4 parts of defoamer, 3 parts of dispersant, 2 parts of thickener, 41 parts of solvent.

[0064] The polyester resin in this embodiment is a polyester resin containing terminal hydroxyl functional groups.

[0065] The anti-aging agent in this embodiment is hindered phenolic antioxidant.

[0066] The defoamer in this example is a mixture of emulsified silicone oil, higher alcohol fatty acid complex, and polydimethylsiloxane in a weight ratio of 2:1:3.

[0067] The dispersants in this example are metal soaps.

[0068] The thickener in this embodiment is methyl ce...

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PUM

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Abstract

The invention discloses an anti-ageing and corrosion-resistant coating for a guardrail and a preparation method thereof. The anti-ageing and corrosion-resistant coating for the guardrail comprises thefollowing raw materials in parts by weight: 42-48 parts of acrylic resin, 36-40 parts of epoxy resin, 28-32 parts of polyester resin, 22-26 parts of amino resin, 14-18 parts of titanium dioxide, 12-16 parts of iron oxide powder, 9-11 parts of copper oxide powder, 8-10 parts of mica powder, 4-7 parts of an anti-ageing agent, 3-5 parts of a defoaming agent, 2-4 parts of a dispersing agent, 1-3 parts of a thickening agent, and 38-44 parts of a solvent. The anti-ageing and corrosion-resistant coating is resistant to ageing, resistant to corrosion, free of pollution, environmentally friendly, efficient, and free of toxic and side effects; in addition, the material cost is low; the raw materials are easily obtained, so that the coating is high in use value and has a good application prospect.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an anti-aging and corrosion-resistant coating for handrails and a preparation method thereof. Background technique [0002] Paint is coated on the surface of the object to be protected or decorated, and can form a continuous film firmly attached to the object to be coated, usually based on resin, or oil, or emulsion, with or without adding pigments, fillers, adding The corresponding additives are viscous liquids prepared with organic solvents or water. The handrails are easily corroded when placed in a humid environment or in the rain. After a long time, the color of the handrails will disappear. In addition, some handrails are exposed to the external environment. Long-term exposure to the sun or rain will greatly shorten the service life of the handrail. [0003] In the prior art, commonly used coatings will be exposed to wind, rain and sun during use, causing corrosion, degra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D163/00C09D167/00C09D161/20C09D7/61C09D7/65C09D7/43
CPCC09D133/04C08K2003/2241C08K2003/2248C08K2003/2272C08L2205/035C08L2312/00C09D5/08C08L63/00C08L67/00C08L61/20C08L1/28C08K13/02C08K3/22C08K3/34
Inventor 俞克波
Owner HEFEI SHANGHAN DECORATION ENG CO LTD
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