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Water wall paint for external wall

A technology for wall paint and exterior walls, applied in the direction of coating, etc., can solve the problems of poor stain resistance, fading and peeling of wall paint film

Inactive Publication Date: 2008-12-31
GUANGDONG BADESE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Exterior wall paints currently on the market are not well balanced in stain resistance and adhesion. After construction, the wall paint film has problems such as blooming, cracking, peeling, poor stain resistance and poor color retention.

Method used

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  • Water wall paint for external wall
  • Water wall paint for external wall
  • Water wall paint for external wall

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0051] The present embodiment is to prepare styrene-acrylic acid ester exterior wall paint, and its formula (unit is kilogram) is as follows:

[0052] Group A

[0053] h 2 O 16.5

[0054] Wetting agent X-405 0.2

[0055] Defoamer NXZ 0.5

[0056] Dispersant 1124 0.5

[0057] 250HBR 0.15

[0058] Preservative LXE 0.1

[0059] Alkali swelling thickener TT-935 0.2

[0060] Ammonia 0.1

[0061] Group B

[0062] Rutile Titanium Dioxide R-595 12.5

[0063] Aluminum silicate 3.75

[0064] Barium sulfate 10

[0065] Wollastonite 7.5

[0066] Heavy calcium 7.5

[0067] Propylene Glycol 2

[0068] Butyl Carbitol 0.5

[0069] Group C

[0070] Rheological rib agent R2020 0.2

[0071] Styrene Acrylic Emulsion 998A 25

[0072] Opaque Polymer OP-62 4

[0073] Defoamer NXZ 0.2

[0074] Alkali swelling thickener D105 0.5

[0075] h 2 O 8.1

[0076] The specific preparation method is as follows:

[0077] Add the materials of group A under the shear force of low speed 500...

example 2

[0079] Present embodiment is to prepare pure acrylic acid ester exterior wall paint, and its formula (unit is kilogram) is as follows:

[0080] Group A

[0081] h 2 O 15.5

[0082] Defoamer NXZ 0.15

[0083] Wetting agent X-405 0.1

[0084] Preservative LXE 0.2

[0085] Anti-mold and anti-algae agent EPW 0.3

[0086] Dispersant 1124 0.6

[0087] Cellulose 250HBR 0.12

[0088] Alkali swelling thickener TT-935 0.2

[0089] Ammonia NH 3 H2 0 0.15

[0090] Group B

[0091] Rutile titanium dioxide 10

[0092] Aluminum silicate 3.75

[0093] Wollastonite 12.5

[0094] Barium sulfate 15

[0095] Coalescent 1

[0096] Propylene Glycol 2.5

[0097] Ethylene glycol monobutyl ether 0.8

[0098] Rheology additive 0.2

[0099] Group C

[0100] Pure acrylic emulsion AC-261 31

[0101] Opaque Polymer OP-62 4

[0102] Non-silicone defoamer NXZ 0.15

[0103] Alkali swelling thickener TT-935 0.3

[0104] h 2 O 1.48

[0105] The specific preparation method is as ...

example 3

[0108] The present embodiment is to prepare organosilicon-modified acrylate exterior wall paint, and its raw material formula (unit is kilogram) is as follows:

[0109] Group A

[0110] h 2 O 17.8

[0111] Wetting agent X-40 50.2

[0112] Defoamer NXZ 0.2

[0113] Preservative LXE 0.15

[0114] Hydroxyethylcellulose 250HBR 0.1

[0115] Alkali swelling thickener TT-935 0.1

[0116] Propylene glycol 2.2

[0117] Ammonia NH 3 H2 0 0.1

[0118] Group B

[0119] Rutile titanium dioxide R-595 18

[0120] Ultrafine Barium Sulfate 10

[0121] Ground calcium carbonate 5

[0122] Ethylene glycol monobutyl ether 0.5

[0123]Butyl Carbitol 0.5

[0124] Coalescent 1.5

[0125] Group C

[0126] Silicone modified acrylate 36

[0127] K201

[0128] Opaque Polymer OP-62 5

[0129] Defoamer NXZ 0.1

[0130] Polyurethane thickening rheology additive 0.4

[0131] Alkali swelling thickener TT-935 0.2

[0132] Anti-mold and anti-algae agent EPW 0.4

[0133] h 2 ...

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Abstract

The present invention features that by selecting different sort and amount of emulsion and assistants, four kinds of wall finish paint, including styrene-acrylate wall finish paint, acrylate wall finish paint, organosilicon modified acrylate wall finish paint and high elasticicty wall finish paint, of different performance / cost ratio are proposed. They features the introduction of hydroxyethyl cellulose and non-transparent hollow polymer. Therefore, the outer wall finish paint has excellent alkali resistance, color maintaining property, antifouling property, ultraviolet ray resistance, freeze thawing resistance, waterproof property, etc.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based exterior wall paint for buildings. Background technique [0002] For building exterior wall paint, it is required to have a good combination of high decoration, strong stain resistance, and high durability, and meet the principles of energy saving, pollution-free, and pollution-free. Exterior wall paints currently on the market are not well balanced in stain resistance and adhesion. After construction, the wall paint film has disadvantages such as blooming, cracking, peeling, poor stain resistance and poor color retention. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the existing exterior wall paints, and provide a variety of different grades of water-based exterior wall paints with excellent properties such as alkali resistance, stain resistance, color retention, and stability. [0004] According to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D125/14
Inventor 方学平
Owner GUANGDONG BADESE CHEM
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