Coil coating finishing paint and preparation thereof

A technology for coil coatings and topcoats, applied in polyester coatings, coatings, etc., can solve the problems of good color retention and unsatisfactory deep processing resistance, and achieve simple preparation methods, superior adhesion, and good stamping resistance The effect of processability

Inactive Publication Date: 2009-01-14
WUXI HUHUANG PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Most of the coil coating topcoats on the market are composed of polyester resins, amino resins, solvents and additives, which have good hardness and color retention but are not ideal for deep processing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] A kind of coil paint finish paint, it comprises the component of following parts by weight:

[0061] 50 parts polyester resin

[0062] Amino resin 5 parts

[0063] Titanium blue 25 parts

[0064] Titanium dioxide 20 parts

[0065] Dispersant 5 parts

[0066] Defoamer 5 parts

[0067] Leveling agent 5 parts

[0068] Adhesion promoter 6 parts

[0069] Curing accelerator 10 parts

[0070] S-100 20 parts

[0071] Dumb powder 3 parts

[0072] wax powder 3 parts

[0073] The production method is as follows:

[0074] 1. In the dispersing kettle, add polyester resin, amino resin and dispersant in the prescribed amount, and disperse at a high speed of 1000r / min for 20min.

[0075] 2. Add the formulated amount of titanium blue and titanium dioxide, and disperse at a high speed of 1200r / min for 30min.

[0076] 3. Grind the above mixture to a fineness of ≤20 μm by means of a grinding machine.

[0077] 4. After the ground slurry is transferred to the dispersing kettle, ad...

Embodiment 2

[0079] A kind of coil paint finish paint, it comprises the component of following parts by weight:

[0080] 40 parts polyester resin

[0081] 3 parts amino resin

[0082] Yellow powder 15 parts

[0083] Titanium dioxide 8 parts

[0084] Dispersant 0.5 parts

[0085] 0.3 parts of defoamer

[0086] Leveling agent 0.5 parts

[0087] Adhesion promoter 0.3 parts

[0088] Curing accelerator 1 part

[0089] 10 parts of ethylene glycol butyl ether

[0090] Dumb powder 1 part

[0091] Wax powder 0.5 parts

[0092] The production method is as follows:

[0093] 1. In the dispersing kettle, add polyester resin, amino resin and dispersant in the prescribed amount, and disperse at a high speed of 800r / min for 15min.

[0094] 2. Add yellow powder and titanium dioxide in the prescribed amount, and disperse at a high speed of 1000r / min for 20min.

[0095] 3. Grind the above mixture to a fineness of ≤20 μm by means of a grinding machine.

[0096] 4. After the ground slurry is trans...

Embodiment 3

[0098] A kind of coil paint finish paint, it comprises the component of following parts by weight:

[0099] 60 parts of polyester resin

[0100] Amino resin 10 parts

[0101] Titanium blue 40 parts

[0102] Titanium dioxide 30 parts

[0103] Dispersant 10 parts

[0104] Defoamer 10 parts

[0105] Leveling agent 10 parts

[0106] Adhesion promoter 10 parts

[0107] 15 parts of curing accelerator

[0108] 30 parts of n-butanol

[0109] Dumb powder 5 parts

[0110] wax powder 5 parts

[0111] The production method is as follows:

[0112] 1. Add the formulated amount of polyester resin, amino resin and dispersant to the dispersing kettle, and disperse at a high speed of 1000r / min for 18min.

[0113] 2. Add the formulated amount of titanium blue and titanium dioxide, and disperse at a high speed of 1200r / min for 25min.

[0114] 3. Grind the above mixture to a fineness of ≤20 μm by means of a grinding machine.

[0115] 4. After the ground slurry is transferred to the di...

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PUM

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Abstract

The invention discloses a coiled material coating finish paint, the components of the finish paint are as follows: polyester resin, amine resin, pigment, titanium white powder, dispersing agent, anti-foaming agent, leveling agent, adhesive force accelerating agent, solidified accelerating agent, solvent, matt powder and wax powder. The invention also discloses a preparation method of the coiled material coating finish paint. The coiled material coating finish paint of the invention has the advantages that the paint has splendid decorative quality, and the utilization has protectionability and durability; the paint also has excellent stamping and processing resistant performances and superior adhesivity to the bottom layer and the surface coating layer; the paint has excellent wear resistance, light resistance and weatherability, and the paint also has good adhesive force, anti-scratching property, good deep-processing resistant property and good light retention and color retention; the preparation method is simple, and and the large-scale production is easy.

Description

technical field [0001] The invention relates to a coating and a preparation method thereof, in particular to a coil coating topcoat and a preparation method thereof. Background technique [0002] Coil coating is a special coating used to coat the surface of steel plate and aluminum plate to make pre-coated coil. At present, coil coating technology is mainly developed in the direction of ultra-long life, product functionality and environmental friendliness, and is constantly exploring new application fields. The paint has been on the market as early as the 1920s. After World War II, the construction industry developed vigorously, and pre-coated coils were widely used due to their light weight, excellent performance and low price. With the advancement of technology, its application has become wider and wider, such as ship interior decoration, household appliances, furniture, interior and exterior buildings and other fields have successively adopted coil coatings. It has bec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D7/00C09D161/32
Inventor 陆新
Owner WUXI HUHUANG PAINT
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