Coating for spraying iron art guardrail and preparation method thereof

A technology for guardrails and coatings, applied in the direction of anti-corrosion coatings, polyester coatings, coatings, etc., can solve the problems of cracks and poor adhesion in film formation, and achieve good aging resistance, strong film formation and water resistance Good results

Inactive Publication Date: 2021-05-14
日照中意华坤金属制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems of poor cohesiveness of coatings and easy cracks in film formation of traditional iron guardrail coatings, the present invention provides a coating for spraying iron guardrails and a preparation method thereof. The coating has good adhesion, strong film-forming properties and aging resistance good sex

Method used

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  • Coating for spraying iron art guardrail and preparation method thereof
  • Coating for spraying iron art guardrail and preparation method thereof
  • Coating for spraying iron art guardrail and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A kind of coating for wrought iron guardrail spraying, coating comprises component A and component B, and the weight ratio of component A and component B is 7:1, and each raw material consumption of component A, component B is as shown in table 1 below,

[0039] The preparation method of the coating comprises the following steps: Preparation of Component A: Pour 15 parts of deionized water into a grinding tank, add 0.5 parts of defoamer, 0.3 parts of leveling agent, 7 parts of dispersant, 0.5 part of film-forming aid, 2 parts of filler, use 700-900r / min to disperse for 30-50min, add zirconium beads to grind, stop when the fineness is less than 20μm, add water-based polyester to disperse under the control speed of 1000-1500r / min stirring 25 parts of water-based hydroxyacrylic acid dispersion, 2 parts of thickener and 5 parts of remaining deionized water were added to adjust the viscosity to obtain component A;

[0040] (2) Preparation of component B: add 15 parts of envi...

Embodiment 2

[0043] A kind of coating for wrought iron guardrail spraying, coating comprises component A and component B, and the weight ratio of component A and component B is 7:1, and each raw material consumption of component A, component B is as shown in table 1 below,

[0044] The preparation method of described coating comprises the steps:

[0045] (1) Preparation of component A: Pour 15 parts of deionized water into the grinding tank, add 0.5 parts of defoamer, 0.3 parts of leveling agent, 7 parts of dispersant, 0.5 parts of film-forming aid, 2 parts of filler, use 700-900r / min to disperse for 30-50min, add zirconium beads to grind, stop when the fineness is less than 20μm, add 25 parts of water-based polyester dispersion, water-based hydroxyacrylic acid under stirring condition of 1000-1500r / min 20 parts of dispersion, add 2 parts of thickener and 5 parts of remaining deionized water to adjust the viscosity to obtain component A;

[0046] (2) Preparation of component B: Add 14 par...

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Abstract

The invention relates to the technical field of corrosion prevention and protection of iron art guardrails, in particular to a coating for spraying an iron art guardrail and a preparation method thereof, the coating comprises a component A and a component B, and the weight ratio of the component A to the component B is 7:1; the component A comprises a water-based polyester dispersion, a water-based hydroxy acrylic acid dispersion, an environment-friendly solvent, a defoaming agent, a thickening agent, a flatting agent, a dispersing agent, a coalescing agent, filler and deionized water; the water-based polyester dispersion is ACOMA2 5123, the water-based hydroxyl acrylic acid dispersion is Wanhua OH-PA, and the component B comprises a curing agent and an environment-friendly solvent; and the preparation method comprises the steps of preparing the component A, preparing the component B and mixing the component A and the component B. The coating is good in cohesiveness, high in film-forming property and good in aging resistance.

Description

technical field [0001] The invention relates to the technical field of iron guardrail anticorrosion protection, in particular to a paint for spraying iron guardrails and a preparation method thereof. Background technique [0002] The use of wrought iron fences has a long history. With the development of society, the continuous updating of decorative arts and decorative materials, various decorative styles of art forms continue to emerge. Since the wrought iron fence is in the outdoor environment for a long time, it will often be exposed to wind, sun, rain, etc., so the wrought iron fence needs to have the characteristics of anti-corrosion, anti-aging, sun resistance and weather resistance. In order to meet its long-term requirements, the surface of the wrought iron guardrail must be painted. However, the existing coatings have poor cohesiveness and cracks are prone to occur in film formation. Therefore, it is extremely urgent to develop a coating for spraying iron art guard...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D133/04C09D7/61C09D7/65C09D7/63C09D5/08
CPCC09D167/00C09D7/61C09D7/65C09D7/63C09D7/70C09D5/08C08L2205/035C08K2003/2241
Inventor 丁原华
Owner 日照中意华坤金属制造有限公司
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