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Environment friendly coating

An environmentally friendly paint and raw material technology, applied in the direction of coating, can solve problems such as harm to health, teratogenicity, mutation, etc., and achieve the effect of meeting decorative requirements, low free formaldehyde content, and high contrast ratio

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, APEO surfactants are widely used in traditional latex paints, and APEO will seriously affect the reproductive system of humans and animals; it has mutation and teratogenicity
At the same time, there are residual monomers and other organic solvents in traditional latex paint, which can easily cause bad odor and endanger human health, and a large amount of free formaldehyde is also one of the carcinogens

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0053] The preparation technology of above-mentioned coating is as follows:

[0054] 1. At a speed less than 500r / min, add 15-50% H in sequence 290% of the total amount of O, 0.5-0.7% of dispersant, 0.1-0.2% of wetting agent, 0.3-0.5% of 50% of the total amount of defoamer, 0.3-0.8% of thickener , mix and stir well;

[0055] 2. At the speed of 500r / min-1000r / min, add 8-20% titanium dioxide, 0.05-0.1% pH regulator, 20-30% heavy calcium, 0-10% calcined kaolin or Washed kaolin, 0-10% talcum powder, 0.1-0.4% anti-fungal agent, mix and stir evenly;

[0056] 3. At a speed greater than 1000r / min, disperse or sand to a fineness of <50μm;

[0057] 4. At a speed of less than 500r / min, sequentially add 15-30% of polystyrene-acrylic acid copolymer, polyacrylic acid copolymer or polyvinyl acetate-acrylic acid copolymer, 0.6-1.5% of film-forming aids, 1-2.5% antifreeze, 0.1-0.2% preservative, 0.3-0.5% defoamer, the remaining 50%, 0-1% rheological agent and 15-50% H 2 The remaining 10% ...

Embodiment 1

[0059] The proportioning (by weight) of embodiment one is as follows:

[0060] Group Distribution ratio (%)

[0061] 1.H 2 O 15

[0062] 2. Dispersant 0.5

[0063] 3. Wetting agent 0.2

[0064] 4. Defoamer 0.5

[0065] 5. Thickener 0.3

[0066] 6. Titanium dioxide 20

[0067] 7. PH regulator 0.1

[0068] 8. Heavy calcium 20

[0069] 9. Talc powder 0

[0070] 10. Calcined kaolin or washed kaolin 10

[0071] 11. Antifungal agent 0.1

[0072] 12. Polystyrene-acrylic copolymer, 30

[0073] or polyacrylic acid copolymer or poly

[0074] Vinyl acetate-acrylic acid copolymer

[0075] 13. Film-forming aids 0.6

[0076] 14. Antifreeze 2.5

[0077] 15. Preservatives 0.2

[0078] 16. Rheology agent 0

[0079] The preparation technology of above-mentioned coating is as follows:

[0080] 1. At a speed of 10r / min, add 15% H in sequence 2 90% in the total amount of O, 0.5% dispersant, 0.2% wetting agent, 50% in the total amount of 0.5% defoamer, 0.3% thickener, mix and sti...

Embodiment 2

[0085] The proportioning (by weight) of embodiment two is as follows:

[0086] Group Distribution ratio (%)

[0087] 1.H 2 O 31.05

[0088] 2. Dispersant 0.7

[0089] 3. Wetting agent 0.1

[0090] 4. Defoamer 0.3

[0091] 5. Thickener 0.8

[0092] 6. Titanium dioxide 8

[0093] 7. PH regulator 0.05

[0094] 8. Heavy calcium 30

[0095] 9. Talc powder 10

[0096] 10. Calcined kaolin or washed kaolin 0

[0097] 11. Antifungal agent 0.4

[0098] 12. Polystyrene-acrylic acid copolymer, 15

[0099] or polyacrylic acid copolymer or poly

[0100] Vinyl acetate-acrylic acid copolymer

[0101] 13. Coalescing aids 1.5

[0102] 14. Antifreeze 1

[0103] 15. Preservatives 0.1

[0104] 16. Rheology agent 1

[0105] The preparation technology of above-mentioned coating is as follows:

[0106] 1. At the speed of 200r / min, add 31.05% H 2 90% in the total amount of O, 0.7% dispersant, 0.1% wetting agent, 50% in the total amount of 0.3% defoamer, 0.8% thickener, mix and stir ...

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PUM

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Abstract

The invention relates to interior wall paint, in particular to an environment-friendly paint which can be widely applied to the decoration of indoor walls, ceilings, plasterboards and the like, does not contain APEO (alkylphenol polyethenoxy ether), is scentless and has low free formaldehyde. The paint is prepared by mainly adopting the technology as follows: first, a dispersant, a wetting agent, a foam suppressor, a thickening agent and a mildew-proof algaecide are added into water sequentially under low speed; titanium pigment, a pH regulator, coarse whiting, calcined kaolin or washed kaolin, french chalk and a mildew-proof agent are added sequentially under medium speed; high-speed dispersion or sanding are carried out until the fineness of less than 50 Mum; and finally, a polystyrene-acrylic copolymer, a polyacrylic copolymer or a vinyl acetate copolymer-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. The paint dose not contain APEO, thus having no effect on the reproductive system of human and animal; the paint has low odor, and no odor basically, reduces the harm of the residual monomer to human body, and has extremely good physical performances, thus being capable of meeting the requirements on indoor decoration.

Description

【Technical field】 [0001] The invention relates to a coating, in particular to an environmentally friendly coating that can be widely used for decoration of indoor walls, ceilings, gypsum boards, etc. without APEO (alkylphenol polyoxyethylene ether), odorless, and low in formaldehyde. 【Background technique】 [0002] At present, APEO surfactants are widely used in traditional latex paints, and APEO will seriously affect the reproductive system of humans and animals; it has mutation and teratogenicity. At the same time, there are residual monomers and other organic solvents in traditional latex paint, which can easily cause bad odor and endanger human health, and a large amount of free formaldehyde is also one of the carcinogens. 【Content of invention】 [0003] The purpose of the present invention is to provide an environmentally friendly paint without APEO, odorless and low formaldehyde. [0004] The present invention is realized by adopting the following technical formula ...

Claims

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Application Information

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IPC IPC(8): C09D125/14C09D133/00C09D131/04
Inventor 洪杰罗启涛彭冬华
Owner SKSHU PAINT
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