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Anti-sticking paint as well as preparation method and application thereof

A coating and anti-sticking technology, used in polyurea/polyurethane coatings, coatings, devices for applying liquid to surfaces, etc., can solve problems such as workpiece damage, improper handling of hangers, and residual oxide scale on hangers

Inactive Publication Date: 2020-10-20
上海缔朴水性涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Regardless of the deplasticization method, the deplasticized hangers will more or less have residual scale and paint, which will cause quality problems of impurities on the surface of the coating
Therefore, there is an urgent need for a hanger processing method to solve the damage to the workpiece caused by improper handling of the hanger during the spraying process.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] This embodiment provides a kind of antisticking paint coating, is made up of the raw material of following mass percent: polyethylene wax emulsion 40%, polyurethane dispersion 35%, color paste 1%, film-forming aid 10%, defoamer 0.3% , 0.6% leveling agent, 1% dispersant, 1.5% thickener, and the balance is water.

[0023] Stir the materials at room temperature at 1500r / min for half an hour according to the order of proportion from large to small, and adjust the viscosity to 20s for Zion #3, and the density is 1.05-1.1g / cm 3 , Apply directly on the hanger by brushing or spraying, and the thickness of the brushing is 50μm.

[0024] Polished by sandpaper, spray the anti-sticking paint coating of the present invention on the low-carbon steel plate of degreasing and derusting, after drying, spray the epoxy coating, use paper towel to directly wipe the epoxy coating of spraying, wait for 1 hour after spraying the epoxy coating After an hour, wipe it again with a paper towel, t...

Embodiment 2

[0026] This embodiment provides a kind of anti-sticking paint coating, is made up of the raw material of following mass percent: Polyethylene wax emulsion 60%, polyurethane dispersion 25%, color paste 3%, film-forming aid 2%, defoamer 1% , leveling agent 1%, dispersant 0.6%, thickener 2%, the balance is water, the particle size of the polyurethane dispersion is below 50 nanometers.

[0027] Stir the materials at room temperature at 1500r / min for half an hour according to the order of proportion from large to small, and adjust the viscosity to 40s for Zion #3, and the density is 1.05-1.1g / cm 3 , Apply directly on the hanger by brushing or spraying, and the thickness of the brushing is 20μm.

[0028] After sanding, the anti-sticking paint coating of the present invention is sprayed on the low-carbon steel plate with degreasing and derusting, after drying, spray the water-based epoxy topcoat, use the paper towel to directly wipe the sprayed epoxy coating, and spray the water-base...

Embodiment 3

[0030] This embodiment provides a kind of anti-adhesive paint coating, is made up of the raw material of following mass percent: polyethylene wax emulsion 50%, carbon nanotube doped modified polyurethane aqueous dispersion 30%, color paste 2.5%, film-forming aid 6%, defoamer 0.5%, leveling agent 0.8%, dispersant 0.2%, thickener 1%, and the balance is water.

[0031] Stir the materials at room temperature at 1500r / min for half an hour according to the order of proportion from large to small, and adjust the viscosity to 30s for Zion #3, and the density is 1.05-1.1g / cm 3 , Apply directly on the hanger by brushing or spraying, and the thickness of the brushing is 30μm.

[0032] Grinding through sandpaper, on the low-carbon steel plate of degreasing and derusting, spray anti-adhesive paint coating of the present invention, after drying, spray epoxy coating, use paper towel to directly wipe the epoxy coating of spraying, wait 24 hours after spraying epoxy coating Hours later, use a p...

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Abstract

The invention belongs to the technical field of spraying, and specifically discloses an anti-sticking paint as well as a preparation method and application thereof. The anti-sticking paint is preparedfrom the following raw materials in percentage by mass: 40-60% of polyethylene wax emulsion; 25-35% of polyurethane dispersion; 1-3% of color paste; 2-10% of a coalescing agent, 0-1% of an antifoaming agent, 0-1% of a leveling agent, 0-1% of a dispersant and 0-2% of a thickener. Ethylene wax particles can float on the surface of a coating after the anti-sticking paint is sprayed on a hanger to form a film, and due to low surface tension of wax, the surface of the coating is difficult to adhere, the adhesion force of paints on the surface is weak, and thus the paints can be easily removed.

Description

technical field [0001] The invention belongs to the technical field of spraying, and in particular relates to an anti-adhesive paint coating and a preparation method and application thereof. Background technique [0002] Hangers in a broad sense include hangers, hooks, brackets, baskets, etc. For the electrostatic coating of paint and powder, the workpiece should be attached to the hanger to complete the pre-treatment, spraying and curing. The hanger is the carrier of the painted workpiece and is indispensable in the painting production. The impact of the hanger is as follows: [0003] The coating of the hanger is thick and the conductivity is poor, resulting in thin coating of the workpiece. Electrostatic spraying requires the receiving resistance of the workpiece to be less than 1MΩ, otherwise the powder cannot be adsorbed to the workpiece or the adsorption thickness is insufficient, and the coating is thin after curing; for liquid paint , The workpiece with poor conduc...

Claims

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Application Information

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IPC IPC(8): C09D123/06C09D175/04C09D7/61B05D7/26B05B5/00
CPCB05B5/00B05D7/26C08K2201/011C08L2201/08C09D123/06C09D7/61C08L75/04C08K3/041
Inventor 顾明远汤大炜台明
Owner 上海缔朴水性涂料有限公司
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