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Water-based high-clarity high-scratch-resistance five-splitting main finish paint as well as preparation method thereof and double-component clear surface paint

A two-component, clear topcoat technology, applied to biocide-containing paints, antifouling/underwater coatings, coatings, etc., to achieve the effects of good hardness and scratch resistance, compact paint film, and good wrapping performance

Active Publication Date: 2019-04-05
YINGDE YAJIA PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the scratch resistance and hardness of existing water-based wood paints still need to be further improved.

Method used

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  • Water-based high-clarity high-scratch-resistance five-splitting main finish paint as well as preparation method thereof and double-component clear surface paint
  • Water-based high-clarity high-scratch-resistance five-splitting main finish paint as well as preparation method thereof and double-component clear surface paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The preparation method of the main paint: Weigh the components according to the weight ratio, add the hydroxyacrylic acid emulsion into the volume of the stainless steel, and add the anti-mold and fungicide, the PH value regulator, the medium viscosity thickener, and the emulsifier in turn under the dispersion state of 500R / M Wet dispersant, antifoaming agent, and nano-silica sol are dispersed for 10 minutes to a uniform state; then add glass powder / aluminum oxide and water-based wax slurry in a stirring state, and disperse at a speed of 1000R / M for 15 minutes to a fineness≤25um ; Then add the mixture of coalescent and deionized water, surface control agent, substrate wetting agent in turn

[0039] High-viscosity thickener, disperse at 700R / M for 10 minutes until uniform, and filter through a 300-mesh filter cloth to obtain a high-definition, high-scratch, anti-scratch, five-point clear topcoat; main paint: curing agent: water = 100:30:15 by weight After mixing evenly, ...

Embodiment 2

[0061] The composition of the main paint formula: proportioning by weight

[0062] 1: 72 parts of hydroxyl acrylic emulsion, the hydroxyl value is 3

[0063] 2: 0.3 parts of anti-mildew fungicide

[0064] 3: 0.3 parts of pH regulator

[0065] 4: 0.3 parts of medium viscosity thickener

[0066] 5: Wetting and dispersing agent 0.3 parts

[0067] 6: 0.3 parts of foam suppressor

[0068] 7: 8 parts of nano silica sol

[0069] 8: 7 parts of glass powder / aluminum oxide (3:1)

[0070] 9: 2 parts water-based wax paste

[0071] 10: 5 parts of film-forming aid

[0072] 11: 3.9 parts of deionized water

[0073] 12: 0.2 parts of surface control agent

[0074] 13: Substrate wetting agent 0.2 parts

[0075] 14: 0.2 parts of high viscosity thickener

[0076] Curing agent formula: aliphatic polyisocyanate 80 (NCO content 21%)

[0077] Propylene glycol methyl ether acetate 20

[0078] The weight ratio of the main paint and the curing agent is calculated according to the NCO conten...

Embodiment 3

[0080] The composition of the main paint formula: proportioning by weight

[0081] 1: 70 parts of hydroxy acrylic emulsion, the hydroxyl value is 3

[0082] 2: 0.2 parts of anti-mildew fungicide

[0083] 3: 0.5 parts of pH regulator

[0084] 4: 0.4 parts of medium viscosity thickener

[0085] 5: Wetting and dispersing agent 0.5 parts

[0086] 6: 0.3 parts of foam suppressor

[0087] 7: 10 parts of nano silica sol

[0088] 8: 8 parts of glass powder / aluminum oxide (3:1)

[0089] 9: 1 part water-based wax paste

[0090] 10: 3 parts of film-forming aid

[0091] 11: 5.4 parts of deionized water

[0092] 12: 0.3 parts of surface control agent

[0093] 13: Substrate wetting agent 0.1 part

[0094] 14: 0.3 parts of high viscosity thickener

[0095] Curing agent formula: according to the following proportions by weight

[0096] Aliphatic polyisocyanate 80 (NCO content 21%)

[0097] Propylene glycol methyl ether acetate 20

[0098] The weight ratio of the main paint and t...

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PUM

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Abstract

The invention belongs to the field of special paint, and discloses water-based high-clarity high-scratch-resistance five-splitting main finish paint. The water-based high-clarity high-scratch-resistance five-splitting main finish paint comprises the following components in parts by weight: 70 to 80 parts of hydroxyl acrylic emulsion, 5 to 10 parts of nano silicon sol, 4 to 8 parts of glass powder / aluminum oxide and an appropriate amount of pH regulator, thickening agent and water for adjusting the system to the appropriate viscosity and pH value; and the hydroxyl value of the hydroxyl acrylicemulsion is 3. The water-based high-clarity high-scratch-resistance five-splitting main finish paint has the advantages of rapidness in curing, good water resistance and scratch resistance.

Description

technical field [0001] The invention relates to the field of special coatings, in particular to a water-based high-definition, high-transparency, high-scratch-resistant, five-splitting clear surface main paint, a preparation method and a two-component clear top paint. Background technique [0002] CN201610360100.4 discloses a hydroxyacrylic acid emulsion for outdoor water-based wood coatings and a preparation method thereof. The preparation method is as follows: 1. Weigh deionized water, co-emulsifier, sodium carbonate, and emulsifier into the reactor, and stir at a constant speed ; 2. Fill the reactor with nitrogen and raise the temperature to 80°C; 3. Add the initiator solution into the reactor; 4. Weigh a certain amount of alkyl methacrylate, styrene, n-butyl acrylate ester, trimethylolpropane triacrylate and co-emulsifier, and added into the reactor through the monomer dropping tank; 5, weigh a certain amount of n-butyl acrylate, styrene, co-emulsifier, molecular weight ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/14C09D7/61C09D7/63C09D7/65C08G18/62C08G18/79
CPCC08G18/6229C08G18/792C08K2003/2227C08K2201/011C08L2205/035C09D5/14C09D175/04C09D7/61C09D7/63C09D7/65C09D7/67C08K13/02C08K3/36C08K3/22C08K3/40
Inventor 刘文革刘文志
Owner YINGDE YAJIA PAINT
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