CN105255366A - High-performance elastic external wall coating material - Google Patents
High-performance elastic external wall coating material Download PDFInfo
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- CN105255366A CN105255366A CN201410338097.7A CN201410338097A CN105255366A CN 105255366 A CN105255366 A CN 105255366A CN 201410338097 A CN201410338097 A CN 201410338097A CN 105255366 A CN105255366 A CN 105255366A
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Abstract
The present invention discloses a high-performance elastic external wall coating material, wherein the PVC is 30-45%, and the components comprise, by weight, 1-2 parts of a solvent, 0.2-1.5 parts of a dispersant, 0.1-0.5 part of an anti-foaming agent, 1.5-4.5 parts of a wetting agent, 25-45 parts of a white pigment filler, 0.3-1.2 parts of a film forming auxiliary agent, 28-46 parts of an ultraviolet ray self-cross-linking elastic emulsion, and 0.9-1.8 parts of a thickener. According to the present invention, when the PVC is 30-45%, the mastic coating material coating film easily achieves the satisfied results in the fields of hardness, stain resistance, water resistance, adhesion, coating film strength and the like; the defects that the pigment filler coating capability of the emulsion is poor, the adhesion to the substrate is poor and the emulsion can not be separately used are improved; and the ultraviolet ray self-cross-linking elastic emulsion is used so as to effectively improve the stain resistance of the paint film and improve the early adhesion.
Description
Technical field
The present invention relates to a kind of exterior coating, particularly a kind of high-performance elastic exterior coating.
Background technology
The buildings of current China is wiped one's face as basic unit, motar are when hardening mainly with cement sand, produces sclerosis crack because volume reduces; During temperature variation, produce thermal cracking due to thermal expansion shrinkage; During Drought-wet change, rise by drying shrinkage owing to wetting and produce desciccation crack; During freeze thawing, produce freeze thawing crack due to water freezing volumetric expansion; Basic unit's sedimentation produces structural cracks etc., and cause protector coating cracking, rainwater enters body of wall with crack-leakage, deepens the destruction to buildings, as steel bar corrosion jeopardizes buildings.
Elastic coating to be value with synthetic resins be base-material, with color stuffing and auxiliary agent formulated, after applying certain thickness, there is covering substrates stretch and produce the spring function coating of fine cracks, but, if improve further the elasticity of elastic coating, tensile strength and improve the contamination of paint film, also require further study.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of elasticity, tensile strength good and effectively can improve a kind of high-performance elastic exterior coating of paint film.
The present invention solves the technical scheme that its problem adopts:
A kind of high-performance elastic exterior coating, its PVC is between 30% to 45%, and the weight fraction of each component is: solvent 1 to 2 part, dispersion agent 0.2 to 1.5 part, defoamer 0.1 to 0.5 part, wetting agent 1.5 to 4.5 parts, white light color stuffing 25 to 45 parts, film coalescence aid 0.3 to 1.2 part, ultraviolet self-crosslinking elastic emulsion 28 to 46 parts, thickening material 0.9 to 1.8 part.
Further, described ultraviolet self-crosslinking elastic emulsion is RC41-216, and its weight fraction is 42 parts.
Further, described dispersion agent is 731A0.1 part.
Further, described white light color stuffing comprises 15 parts, R706 rutile titanium white powder, coarse whiting 13 parts, kaolin 10 parts.
Further, described wetting agent comprises X-4050.1 part, AMP950.2 part.
Further, described defoamer comprises SN3450.2 part, SN1540.2 part.
Further, described thickening material is made up of high thixotropic PU class thickening material and acrylic thickener.
Particularly, described thickening material comprises TH-301.2 part, UH7520.3 part.
Further, described film coalescence aid is TEXANOL0.5 part.
Further, described solvent is propylene glycol 1.5 parts.
The invention has the beneficial effects as follows: the present invention adopt a kind of high-performance elastic exterior coating, its PVC design between 30%-45%, there is good contamination and water tolerance, PCV is lower than 30%, and film anti-stain characteristic is poor, smear soak easy to foaming; PVC is greater than 45%, can influence elastane.The present invention adopts PVC between 30%-45%, and now mastic coatings film easily realizes satisfactory results in hardness, anti-soil, water-fast, sticking power, coating strength etc.In addition in order to improve emulsion because wrapping up the ability of color stuffing, to the poor adhesive force of base material, can not be used alone.And present invention employs ultraviolet self-crosslinking elastic emulsion, effectively can improve paint film contamination resistance, improve early stage sticking power.
Embodiment
A kind of high-performance elastic exterior coating of the present invention, a kind of high-performance elastic exterior coating, its PVC is between 30% to 45%, and the weight fraction of each component is: solvent 1 to 2 part, dispersion agent 0.2 to 1.5 part, defoamer 0.1 to 0.5 part, wetting agent 1.5 to 4.5 parts, white light color stuffing 25 to 45 parts, film coalescence aid 0.3 to 1.2 part, ultraviolet self-crosslinking elastic emulsion 28 to 46 parts, thickening material 0.9 to 1.8 part.
PVC of the present invention design between 30%-45%, there is good contamination and water tolerance, PCV is lower than 30%, and film anti-stain characteristic is poor, smear soak easy to foaming; PVC is greater than 45%, can influence elastane.The present invention adopts PVC between 30%-45%, and now mastic coatings film easily realizes satisfactory results in hardness, anti-soil, water-fast, sticking power, coating strength etc.In addition in order to improve emulsion because wrapping up the ability of color stuffing, to the poor adhesive force of base material, can not be used alone.And present invention employs ultraviolet self-crosslinking elastic emulsion, effectively can improve paint film contamination resistance, improve early stage sticking power.Described ultraviolet self-crosslinking elastic emulsion is the RC41-216 of Li Fuda particularly, and its weight fraction is 42 parts.
It is limited that elastic coating produces moisture, use limited liquid dispersion high solid slurry, want to obtain comparatively low-viscosity, need good dispersion agent, wetting agent, select moist ability strong, fall stick, low foaming wetting agent, the present invention adopts the 731A dispersion agent 0.1 part of ROHM AND HAAS, adopts X-405 wetting agent 0.1 part, the AMP95 wetting agent 0.2 part of DOW Chemical.
Face, filler are except its ageing resistance of consideration, require that it easily disperses, oil number is low, particle diameter thickness is arranged in pairs or groups, white light color stuffing selected by the present invention is 15 parts, R706 rutile titanium white powder, coarse whiting 13 parts, kaolin 10 parts, its chemical stability of rutile titanium white powder and UV stable is high, tinting strength is high, thermotolerance chemical resistant properties is good, and iron pigment price is cheap again.The tinting strength of pigment dyestuff is strong, and lightness is large, and look kind is many, but opacifying power is low, expensive.Therefore when practical application, often need with mineral dye and pigment dyestuff split, but the matching capacity of sun-proof grade between them will be noted.In the selection of powder, in order to not influence elastane, require as far as possible lower by water regain color stuffing.Make exterior wall colored paint to make, packing variety should be used less as far as possible, especially few powder larger by oil number.
Due to the high viscosity of Thick Elastic paste paint and the use of a large amount of emulsion, Ricinate etc., reduce the surface tension of coating system, cause produce time easy bubble with surely steep, make coating material production and use in all can have bubble produce and to production and construction make troubles and affect.Therefore need to select high efficiency defoamer: SN3450.2 part that Nuo Puke produces, SN1540.2 part.
Selecting of thickening material will be determined according to different constructions and advection requirement, contradicts because paint-flow and decorative pattern are shaped, and improves the thixotropic behaviour of coating, can obtain the paint film of different shaping effect.Require stereotyped at thick slurry galling paint, decorative pattern is neat, uses the thickening material that some thixotropy are larger: high thixotropic PU class and acrylic thickener in the present embodiment.Arrange in pairs or groups by Mierocrystalline cellulose and acrylic thickener and PU class, the change film of little decorative pattern-big-pattern can be obtained.
Particularly, described thickening material comprises TH-301.2 part, UH7520.3 part.
Particularly, described film coalescence aid is TEXANOL0.5 part of Yi Siman.
Particularly, described solvent is propylene glycol 1.5 parts.
The above, just preferred embodiment of the present invention, the present invention is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present invention with identical means, all should belong to protection scope of the present invention.
Claims (10)
1. a high-performance elastic exterior coating, it is characterized in that, its PVC is between 30% to 45%, and the weight fraction of each component is: solvent 1 to 2 part, dispersion agent 0.2 to 1.5 part, defoamer 0.1 to 0.5 part, wetting agent 1.5 to 4.5 parts, white light color stuffing 25 to 45 parts, film coalescence aid 0.3 to 1.2 part, ultraviolet self-crosslinking elastic emulsion 28 to 46 parts, thickening material 0.9 to 1.8 part.
2. a kind of high-performance elastic exterior coating according to claim 1, is characterized in that: described ultraviolet self-crosslinking elastic emulsion is RC41-216, and its weight fraction is 42 parts.
3. a kind of high-performance elastic exterior coating according to claim 1, is characterized in that: described dispersion agent is 731A0.1 part.
4. a kind of high-performance elastic exterior coating according to claim 1, is characterized in that: described white light color stuffing comprises 15 parts, R706 rutile titanium white powder, coarse whiting 13 parts, kaolin 10 parts.
5. a kind of high-performance elastic exterior coating according to claim 1, is characterized in that: described wetting agent comprises X-4050.1 part, AMP950.2 part.
6. a kind of high-performance elastic exterior coating according to claim 1, is characterized in that: described defoamer comprises SN3450.2 part, SN1540.2 part.
7. a kind of high-performance elastic exterior coating according to claim 1, is characterized in that: described thickening material is made up of high thixotropic PU class thickening material and acrylic thickener.
8. a kind of high-performance elastic exterior coating according to claim 7, is characterized in that: described thickening material comprises TH-301.2 part, UH7520.3 part.
9. a kind of high-performance elastic exterior coating according to claim 1, is characterized in that: described film coalescence aid is TEXANOL0.5 part.
10. a kind of high-performance elastic exterior coating according to claim 1, is characterized in that: described solvent is propylene glycol 1.5 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338097.7A CN105255366A (en) | 2014-07-16 | 2014-07-16 | High-performance elastic external wall coating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338097.7A CN105255366A (en) | 2014-07-16 | 2014-07-16 | High-performance elastic external wall coating material |
Publications (1)
| Publication Number | Publication Date |
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| CN105255366A true CN105255366A (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410338097.7A Pending CN105255366A (en) | 2014-07-16 | 2014-07-16 | High-performance elastic external wall coating material |
Country Status (1)
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| CN (1) | CN105255366A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343453A (en) * | 2008-08-12 | 2009-01-14 | 无锡市虎皇漆业有限公司 | Aqueous and elastic thermal-insulation energy-conservation paint and preparation thereof |
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2014
- 2014-07-16 CN CN201410338097.7A patent/CN105255366A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343453A (en) * | 2008-08-12 | 2009-01-14 | 无锡市虎皇漆业有限公司 | Aqueous and elastic thermal-insulation energy-conservation paint and preparation thereof |
Non-Patent Citations (1)
| Title |
|---|
| 陈炳强等: "高性能弹性外墙涂料配方设计及其影响因素", 《化学建材》 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160120 |