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A kind of organic-inorganic water-based quick-drying coating and its preparation method and film-forming method

A quick-drying coating, organic technology, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems that affect the application of coatings, poor coating film quality, etc.

Active Publication Date: 2021-04-09
SHANGHAI UNIV OF ENG SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current water-based coatings, especially water-based baking coatings, are usually directly baked or dried at high temperature to form a film as soon as possible when forming a film. However, if the film-forming method is improper, it will inevitably lead to poor film-forming quality and affect Coating Application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] One) the composition and proportioning of described organic-inorganic water-based quick-drying paint are as follows:

[0041] Coupling agent A: 18wt%;

[0042] Coupling agent B: 18wt%;

[0043] Nano aluminum sol: 15.5wt%;

[0044] Pigment and filler: 23wt%;

[0045] Anti-settling agent: 2wt%;

[0046] Wetting and dispersing agent: 0.5wt%;

[0047] Anti-sticking agent: 2wt%;

[0048] Leveling agent: 2wt%;

[0049] Deionized water: 19 wt%.

[0050] Two) the preparation of organic-inorganic water-based quick-drying coating:

[0051] a) Add the coupling agent B and nano-aluminum sol in the ratio of this example to the coupling agent A, control the stirring speed to 500 rpm, and the stirring and mixing temperature to 40°C, stir and mix evenly to obtain component A ;

[0052] b) Add the proportioning amount of wetting and dispersing agent into deionized water, control the stirring speed to 300 rpm, and stir for 10 minutes to make it evenly mixed; then add the proport...

Embodiment 2

[0060] One) the composition and proportioning of described organic-inorganic water-based quick-drying paint are as follows:

[0061] Coupling agent A: 20wt%;

[0062] Coupling agent B: 17.5wt%;

[0063] Nano aluminum sol: 17.5wt%;

[0064] Pigment and filler: 23wt%;

[0065] Anti-sedimentation agent: 1wt%;

[0066] Wetting and dispersing agent: 1.5wt%;

[0067] Anti-sticking agent: 1.5wt%;

[0068] Leveling agent: 1wt%;

[0069] Deionized water: 17 wt%.

[0070] Two) the preparation of organic-inorganic water-based quick-drying coating:

[0071] a) Add the coupling agent B and nano-aluminum sol in the ratio of this example to the coupling agent A, control the stirring speed to 500 rpm, and the stirring and mixing temperature to 50°C, stir and mix evenly to obtain component A ;

[0072] b) Add the proportioning amount of wetting and dispersing agent into deionized water, control the stirring speed to 300 rpm, stir for 20 minutes to make it evenly mixed; then add the pr...

Embodiment 3

[0080] One) the composition and proportioning of described organic-inorganic water-based quick-drying paint are as follows:

[0081] Coupling agent A: 19.7wt%;

[0082] Coupling agent B: 19.7wt%;

[0083] Nano aluminum sol: 19.7wt%;

[0084] Pigment and filler: 19.7wt%;

[0085] Anti-sedimentation agent: 0.5wt%;

[0086] Wetting and dispersing agent: 1wt%;

[0087] Antisticking agent: 1wt%;

[0088] Leveling agent: 1wt%;

[0089] Deionized water: 17.7 wt%.

[0090] Two) the preparation of organic-inorganic water-based quick-drying coating:

[0091] a) Add the coupling agent A and nano-aluminum sol in the ratio of this example to the coupling agent B, control the stirring speed to 500 rpm, and the stirring and mixing temperature to 60°C, and stir and mix evenly to obtain component A ;

[0092] b) Add the proportioning amount of wetting and dispersing agent into deionized water, control the stirring speed to 500 rpm, stir for 10 minutes to make it evenly mixed; then add...

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Abstract

The invention discloses an organic-inorganic water-based quick-drying coating, a preparation method and a film-forming method thereof. The organic-inorganic water-based quick-drying coating has the following composition and proportion: coupling agent A: 16.5-23.5wt%; coupling agent B: 16.5-23.5wt%; nano aluminum sol: 15.5-23.5wt%; : 17.5~23.5wt%; Anti-settling agent: 0.2~2wt%; Wetting and dispersing agent: 0.5~2.5wt%; Anti-sticking agent: 0.5~2wt%; Leveling agent: 0.5~2wt%; ~19 wt%. The coating of the present invention is green and environmentally friendly, and can be formed into a film in about one minute in the mixed drying method of high temperature baking at 120-140°C + electromagnetic heating with a power of 90-150w, and can also maintain a good appearance and anti-corrosion ability. Used as a baking coating.

Description

technical field [0001] The invention relates to an organic-inorganic water-based quick-drying coating, a preparation method and a film-forming method thereof, and belongs to the technical field of coatings. Background technique [0002] Coatings are playing an increasingly important role in people's lives, and have become an indispensable material for the development of modern society. A large part of the current coatings use toxic and harmful organic substances as solvents and additives in the coating preparation process. During the use process, a large amount of VOC will enter the air. According to statistics, the VOC harmful gas emitted by solvent coatings every year is about It is 4 million tons, which endangers people's health and pollutes the ecological environment. With the introduction of environmental protection policies and the strengthening of people's awareness of environmental protection, organic solvent-based coatings have been largely replaced by water-based ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D183/08C09D5/08
CPCC09D1/00C09D5/08C09D183/08
Inventor 温绍国吴攸同王继虎叶华天尚登云张朋朋王光宇孙凯
Owner SHANGHAI UNIV OF ENG SCI
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