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Scratch-resistant agent for powder coating

A powder coating, anti-scratch technology, applied in the field of anti-scratch agent, can solve problems such as large environmental impact, and achieve the effects of good flexibility, high hardness and good reinforcement effect

Inactive Publication Date: 2018-03-13
安徽迈高化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing anti-scratch agents only reduce surface friction and improve scratch resistance from the perspective of lubricity. Not only are they greatly affected by the environment, but they cannot fundamentally solve the scratch resistance of coatings.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An anti-scratch agent for powder coatings, consisting of the following components in parts by weight: 14 parts of ammonium nitrate, 11 parts of sodium laurate, 8 parts of zinc stearate, 5.5 parts of dibutyltin maleate, magnesium hydroxide 1.5 parts, 1.3 parts of aluminum hydroxide, 1.0 parts of sodium bicarbonate, 0.3 parts of surfactant, 2.6 parts of sodium carbonate, 25 parts of paraffin, 0.2 parts of silicone powder, 0.1 part of whisker silicon, 25 parts of absolute ethanol;

[0018] The preparation method of the anti-scratch agent is as follows: heating the paraffin to a molten liquid state, adding ammonium nitrate under stirring, then adding magnesium hydroxide and aluminum hydroxide powder, and continuously stirring for 1 hour to obtain material A, adding the surfactant Add in absolute ethanol, stir evenly, heat to 35°C, add silicone powder and whisker silicon, stir rapidly for 20 minutes, then add sodium carbonate, sodium bicarbonate, sodium laurate, zinc stearate...

Embodiment 2

[0025] An anti-scratch agent for powder coatings, consisting of the following components in parts by weight: 15 parts of ammonium nitrate, 12 parts of sodium laurate, 9 parts of zinc stearate, 5.8 parts of dibutyltin maleate, magnesium hydroxide 1.6 parts, 1.4 parts of aluminum hydroxide, 1.1 parts of sodium bicarbonate, 0.4 parts of surfactant, 2.7 parts of sodium carbonate, 26 parts of paraffin, 0.3 parts of silicone powder, 0.2 parts of whisker silicon, 28 parts of absolute ethanol;

[0026] The preparation method of the anti-scratch agent is as follows: heating the paraffin to a molten liquid state, adding ammonium nitrate under stirring, then adding magnesium hydroxide and aluminum hydroxide powder, and continuously stirring for 1.5 hours to obtain material A, adding the surfactant Add in absolute ethanol, stir evenly, heat to 38°C, add silicone powder and whisker silicon, stir rapidly for 25 minutes, then add sodium carbonate, sodium bicarbonate, sodium laurate, zinc stea...

Embodiment 3

[0033] An anti-scratch agent for powder coatings, consisting of the following components in parts by weight: 16 parts of ammonium nitrate, 13 parts of sodium laurate, 10 parts of zinc stearate, 6.0 parts of dibutyltin maleate, magnesium hydroxide 1.8 parts, 1.5 parts of aluminum hydroxide, 1.2 parts of sodium bicarbonate, 0.5 parts of surfactant, 2.8 parts of sodium carbonate, 28 parts of paraffin, 0.4 parts of silicone powder, 0.3 parts of whisker silicon, 30 parts of absolute ethanol;

[0034] The preparation method of the anti-scratch agent is as follows: heating the paraffin to a molten liquid state, adding ammonium nitrate under stirring, then adding magnesium hydroxide and aluminum hydroxide powder, and continuously stirring for 2 hours to obtain material A, adding the surfactant Add in absolute ethanol, stir evenly, heat to 40°C, add silicone powder and whisker silicon, stir rapidly for 30 minutes, then add sodium carbonate, sodium bicarbonate, sodium laurate, zinc stear...

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Abstract

The invention relates to the technical field of research and development of additives in powder coatings, and discloses a scratch-resistant agent for a powder coating. The scratch-resistant agent comprises the following components in parts by weight: 14-16 parts of ammonium nitrate, 11-13 parts of sodium laurate, 8-10 parts of zinc stearate, 5.5-6.0 parts of dibutyltin maleate, 1.5-1.8 parts of magnesium hydroxide, 1.3-1.5 parts of aluminum hydroxide, 1.0-1.2 parts of sodium bicarbonate, 0.3-0.5 part of a surfactant, 2.6-2.8 parts of sodium carbonate, 25-28 parts of paraffin wax, 0.2-0.4 partof silicone powder, 0.1-0.3 part of whisker silicon and 25-30 parts of anhydrous ethanol. The prepared scratch-resistant agent has high hardness and good flexibility, the surface hardness of a coatingis improved by modifying a molecular structure of a material, the surface smoothness of a coating film can be effectively increased, and the friction force is reduced.

Description

technical field [0001] The invention belongs to the technical field of research and development of additives in powder coatings, and in particular relates to an anti-scratch agent for powder coatings. Background technique [0002] Powder coating is a solvent-free, 100% solids powder coating. It has the characteristics of no solvent, no pollution, recyclable, environmental protection, saving energy and resources, reducing labor intensity and high mechanical strength of the coating film. The application fields of powder coatings are very extensive. With the gradual development of coating production technology and the expansion of scale, the requirements for powder coatings are getting higher and higher. In order to improve the performance of powder coatings, people use various fillers and additives in the formula. way of medicine. During the processing and molding of coatings, different amounts of fillers are added to meet certain requirements. [0003] A need (reduce cost,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/03C08L83/04C08L39/06C08L33/02C08K9/10C08K7/10C08K5/098C08K3/28C08K3/26C08K3/22
CPCC09D5/033C08K3/22C08K3/26C08K3/28C08K5/098C08K7/10C08K9/10C08K2003/2224C08K2003/2227C08K2003/262C08K2003/285C08K2201/003C08L33/02C08L39/06C08L83/04
Inventor 刘厚武
Owner 安徽迈高化工科技有限公司
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