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Environment-friendly type coatings

An environment-friendly, coating technology, applied in coatings, latex paints, etc., can solve problems such as environmental pollution, harm to health, bad smell, etc., achieve low VOC content, extremely high VOC content, and reduce human health hazards.

Inactive Publication Date: 2009-04-01
SKSHU PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, traditional interior latex paints contain a large amount of residual monomers, which have bad odor, and have higher VOC content and higher free formaldehyde. These residual monomers, VOC, and free formaldehyde seriously endanger human health and pollute the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0052] The preparation process of the coating is as follows:

[0053] 1) At a speed less than 500r / min, add 20-40% H in sequence 2 90% of the total amount of O, 0.4-0.8% dispersant, 0.1-0.2% wetting agent, 0.25-0.5% defoamer, 50% of the total amount, 0.1-0.5% anti-mold Algae agent, 0.3-0.6% thickener, mix and stir evenly;

[0054]2) At the speed of 500r / min-1000r / min, add 10-20% titanium dioxide, 0.05-0.15 PH regulator, 20-30% 800 mesh heavy calcium, 5-10% calcined kaolin in sequence Or wash kaolin, 5-15% talcum powder, mix and stir evenly;

[0055] 3) At a speed greater than 1000r / min, disperse or sand to a fineness of <50μm;

[0056] 4) At a speed less than 500r / min, add 15-25% of polystyrene-acrylic acid copolymer polyacrylic acid copolymer or polyacetate-ethylene-acrylic acid copolymer, 0-1% film-forming assistant, The remaining 50% of the total amount of 0-1.5% antifreeze, 0.1-0.2% preservative, 0.25-0.5 defoamer, 0-1% rheological agent and 20-40% water In the remaining 10%, ...

Embodiment 1

[0064] The proportion (by weight) of Example 1 is as follows:

[0065] Component ratio (%)

[0066] 1.H 2 O 40

[0067] 2. Dispersant 0.4

[0068] 3. Wetting agent 0.1

[0069] 4. Defoamer 0.25

[0070] 5. Anti-mold and anti-algae agent 0.1

[0071] 6. Thickener 0.3

[0072] 7. Titanium dioxide 10

[0073] 8.PH regulator 0.15

[0074] 9.800 mesh heavy calcium 20

[0075] 10. Calcined kaolin or washed kaolin 5

[0076] 11. Talc 5

[0077] 12. Polystyrene-acrylic acid copolymer, polyacrylic acid 15

[0078] Copolymer or polyacetate-ethylene-acrylic acid copolymer

[0079] 13. Film-forming additives 1

[0080] 14. Antifreeze 1.5

[0081] 15. Preservative 0.2

[0082] 16. Rheological agent 1

[0083] The preparation process of the coating is as follows:

[0084] 1) Under the speed of 10r / min, add 40% H in sequence 2 90% of the total amount of O, 0.4% dispersant, 0.1% wetting agent, 0.25% defoamer 50% of the total amount, 0.1% mildew and algae inhibitor, 0.3% thickening Agent, mix and ...

Embodiment 2

[0088] The proportion (by weight) of Example 2 is as follows:

[0089] Component ratio (%)

[0090] 1.H 2 O 20

[0091] 2. Dispersant 0.8

[0092] 3. Wetting agent 0.2

[0093] 4. Defoamer 0.5

[0094] 5. Anti-mildew and anti-algae 0.5

[0095] 6. Thickener 0.6

[0096] 7. Titanium dioxide 10

[0097] 8.PH regulator 0.05

[0098] 9.800 mesh heavy calcium 30

[0099] 10. Calcined kaolin or washed kaolin 7

[0100] 11. Talc 5

[0101] 12. Polystyrene-acrylic acid copolymer, polyacrylic acid 25

[0102] Copolymer or polyacetate-ethylene-acrylic acid copolymer

[0103] 13. Film forming aid 0.25

[0104] 14. Preservative 0.1

[0105] The preparation process of the coating is as follows:

[0106] 1) At a speed of 200r / min, add 20% H in turn 2 90% of the total amount of O, 0.8% of the dispersant, 0.2% of the wetting agent, 0.5% of the defoamer, 0.5% of the anti-mold and algae inhibitor, 0.6% of the thickening agent Agent, mix and stir evenly;

[0107] 2) At a speed of 1000r / min, sequential...

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PUM

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Abstract

The invention relates to an environment-friendly paint, in particular to the environment-friendly interior wall paint which can be applied to the surface decoration of indoor walls, ceilings, plasterboards and the like, with low odor, low VOC and low formaldehyde. The preparation technology of the paint is as follows: first, a dispersant, a wetting agent, a foam suppressor, a thickening agent and a mildew-proof algaecide are added sequentially under low speed; titanium pigment, a pH regulator, coarse whiting, calcined kaolin (washed kaolin) and french chalk are added sequentially under medium speed; high speed dispersing or sanding are carried out until the fineness of less than 50 Mum; finally, a polystyrene-acrylic copolymer, a polyacrylic copolymer or a poly acetic acid-ethene-acrylic copolymer, a film-forming accessory agent, an antifreezing agent, a preservative, the foam suppressor, a rheology agent and H2O are added sequentially under low speed; after check out, the environment-friendly interior wall paint with low odor, low VOC and low free formaldehyde can be obtained by filtering and packaging.

Description

【Technical Field】 [0001] The invention relates to a paint, in particular to an environmentally friendly paint that can be widely used for surface decoration of indoor walls, ceilings, gypsum boards, etc., and has low odor, low VOC (volatile organic compound), and low formaldehyde. 【Background technique】 [0002] At present, traditional interior wall latex paint contains a large amount of residual monomers, which has a bad odor. At the same time, the VOC content is higher and the free formaldehyde is also higher. These residual monomers, VOC and free formaldehyde seriously harm human health and pollute the environment. . [Content of the invention] [0003] The purpose of the present invention is to provide an environmentally friendly paint with low odor, low VOC and low free formaldehyde in view of the shortcomings of traditional interior wall coatings. [0004] The present invention is realized by adopting the following technical formulas and processes. An environmentally friend...

Claims

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Application Information

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IPC IPC(8): C09D125/14C09D133/02C09D131/04C09D7/12C09D5/02
Inventor 洪杰罗启涛彭冬华
Owner SKSHU PAINT
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