CN102268208B - Nanometer silica sol modified exterior wall emulsion paint and preparation method thereof - Google Patents
Nanometer silica sol modified exterior wall emulsion paint and preparation method thereof Download PDFInfo
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- CN102268208B CN102268208B CN 201110147247 CN201110147247A CN102268208B CN 102268208 B CN102268208 B CN 102268208B CN 201110147247 CN201110147247 CN 201110147247 CN 201110147247 A CN201110147247 A CN 201110147247A CN 102268208 B CN102268208 B CN 102268208B
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- silica sol
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- 239000003973 paint Substances 0.000 title claims abstract description 43
- 239000000839 emulsion Substances 0.000 title claims abstract description 37
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000006185 dispersion Substances 0.000 claims abstract description 14
- 239000004576 sand Substances 0.000 claims abstract description 6
- 239000000080 wetting agent Substances 0.000 claims abstract description 5
- 239000002002 slurry Substances 0.000 claims abstract description 3
- 230000004048 modification Effects 0.000 claims description 12
- 238000012986 modification Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- 239000013530 defoamer Substances 0.000 claims description 8
- 230000008719 thickening Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 241000276489 Merlangius merlangus Species 0.000 claims description 4
- 238000004581 coalescence Methods 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- DAFHKNAQFPVRKR-UHFFFAOYSA-N (3-hydroxy-2,2,4-trimethylpentyl) 2-methylpropanoate Chemical compound CC(C)C(O)C(C)(C)COC(=O)C(C)C DAFHKNAQFPVRKR-UHFFFAOYSA-N 0.000 claims description 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 2
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 2
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 abstract description 5
- 238000003801 milling Methods 0.000 abstract description 4
- 239000004408 titanium dioxide Substances 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 3
- 239000002562 thickening agent Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000011109 contamination Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 238000000227 grinding Methods 0.000 abstract 2
- 239000012855 volatile organic compound Substances 0.000 abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000000454 talc Substances 0.000 abstract 1
- 229910052623 talc Inorganic materials 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000004816 latex Substances 0.000 description 14
- 229920000126 latex Polymers 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000032683 aging Effects 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920005646 polycarboxylate Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- -1 sterilant Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
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Abstract
The invention relates to a nanometer silica sol modified exterior wall emulsion paint. The emulsion paint comprises, by mass, 10-30% of water, 15-30% of an emulsion, 5-10% of a nanometer silica sol, 5-15% of heavy calcium, 1-3% of talc, 0.5-1.5% of propylene glycol, 5-25% of titanium dioxide, 0.05-2% of a wetting agent, 0.5-1% of an antifoaming agent, 0.1-0.5% of a dispersant, 1-2% of a thickening agent, and 0.5-2% of a film forming assistant. The preparation method comprises the following steps: dispersion grinding: adding water, powders and early assistants to a dispenser, grinding, and filtering; and post-treating: adding the emulsion, the nanometer silica sol, later water and later assistants to a dispersed slurry, and adjusting the PH value and the viscosity to prepare the emulsion paint. According to the invention, the exterior wall emulsion paint, which is prepared by completing simple technologies of dispersing, sand milling, filtering and the like, has the advantages of no pollution, low VOC (volatile organic compound) discharge, environmental protection, strong adhesion, and good storage stability, washing resistance, contamination resistance and weather resistance.
Description
Technical field
The present invention relates to a kind of exterior wall latex paint and preparation method thereof, particularly relate to a kind of Nano silica sol modification exterior wall emulsion paint with good adhesion and weathering resistance and preparation method thereof.
Technical background
The existing market exterior wall latex paint is of a great variety, characteristics such as it generally has the intensity height, it is little to pollute, good film-forming property, but also have a lot of problems.As lacking toughness and sticking power, the metope of common outer wall paint application peeling and crack can occur after 1 year.Abrasion resistance can be not good, and decolouring is serious, and the oil resistant dirt is also bad, and especially the weathering resistance performance is not good enough, and easily phenomenon is split in generation cruelly between the changes in temperature climate change.
Silicon sol has higher activity, can generate the silicate macromolecular compound with some salts reaction of ground, and the sclerosis film forming; Trickle particle can be penetrated into the inside of ground by capillary action, and can with ground in alkali substance reaction generate Calucium Silicate powder, make coating have stronger sticking power and the anti-accumulation of salt in the surface soil.Ultraviolet ray in the sunlight is the important factor that causes emulsion paint aging, and Nano silica sol itself just has the ultraviolet characteristic of absorption.The silicon sol market value is cheap in addition, can partly replace nanoparticles such as titanium dioxide, silicon-dioxide to finish its effect such as weather-proof, has both increased the use properties of emulsion paint, greatly reduces production cost again, has improved economic profit, and application prospect is very extensive.Nano silica sol is applied to the emulsion paint field, can make emulsion paint improve sticking power, and have characteristic water-fast, resistant, can also solve the weather-proof problem of emulsion paint.
Summary of the invention
The object of the present invention is to provide a kind of Nano silica sol modification exterior wall emulsion paint with good adhesion and weathering resistance and preparation method thereof, the present invention finishes by simple process such as dispersion, sand milling, filtrations, and the exterior wall latex paint weather resistance of preparation is stable, strong adhesion.
The objective of the invention is to be achieved through the following technical solutions:
It is poor that the problem that the present invention mainly solves is exactly exterior wall latex paint sticking power and weathering resistance, be vulnerable to climate change and produce split problems such as aging cruelly.
A kind of Nano silica sol modification exterior wall emulsion paint, this emulsion paint component and mass percent are as follows: water 10 ~ 30%; Emulsion 15 ~ 30%; Nano silica sol 5 ~ 10%; Coarse whiting 5 ~ 15%; Talcum powder 1 ~ 3%; Propylene glycol 0.5 ~ 1.5%; Titanium dioxide 5 ~ 25%; Wetting agent 0.05 ~ 0.2%; Defoamer 0. 5 ~ 1%; Dispersion agent 0.1 ~ 0.5%; Thickening material 1 ~ 2% and film coalescence aid 0.5 ~ 2%; Each component percentages sum is 100%.
Described a kind of Nano silica sol modification exterior wall emulsion paint, its described emulsion is one of benzene emulsion, pure-acrylic emulsion, organosilicon crylic acid latex or composite.
Described a kind of Nano silica sol modification exterior wall emulsion paint, its described thickening material is the alkali associative thickener.
Described a kind of Nano silica sol modification exterior wall emulsion paint, its described dispersion agent is polycarboxylate sodium's type dispersion agent.
Described a kind of Nano silica sol modification exterior wall emulsion paint, its described film coalescence aid is propylene glycol list oleate.
Described a kind of Nano silica sol modification exterior wall emulsion paint, its described silicon sol is alkaline silica sol, its grain size is at 5 ~ 100nm.
A kind of preparation method of Nano silica sol modification exterior wall emulsion paint, this preparation method comprise following two steps:
1) disperse polishing: with water, powder such as coarse whiting, talcum powder, titanium dioxide and early stage auxiliary agent such as dispersion agent, wetting agent, sterilant, defoamer drop into dispersion machine, rotating speed with 1500 ~ 300rpm disperseed 10 ~ 15 minutes, and the sand mill with the 4000rpm rotating speed grinds filtration again;
2) aftertreatment: emulsion, Nano silica sol, later stage water and auxiliary agent such as membrane-forming agent, thickening material dropped into disperse slurry, transfer pH value and viscosity, make emulsion paint.
Advantage of the present invention and effect are:
1. the exterior wall latex paint of the present invention preparation is the aqueous latex paint of a kind of environmental protection, stable, resistant.Have very strong sticking power simultaneously, be combined with body of wall and stablize, be difficult for producing phenomenons such as lacquer painting peeling, explosion, strengthened the weather resistance of emulsion paint greatly.
2. the present invention finishes by simple process such as dispersion, sand milling, filtrations, and obtained exterior wall latex paint is pollution-free, extremely low VOC discharging, has fabulous stability in storage, abrasion resistance, contamination resistance.
3. manufacture craft of the present invention is carried out in two steps, processing step is simplified, it all reaches the emulsion paint of preparation standard and is higher than general exterior wall latex paint in performances such as condition in container, application property, time of drying, appearance of film, contrast ratio, water tolerance, especially artificial weathering ageing resistance's excellent performance is compared with common exterior wall latex paint and to be had clear superiority.
Description of drawings
Fig. 1 is the particle structure figure of silicon sol of the present invention;
Fig. 2 is the size distribution figure (used in the present embodiment) of Nano silica sol of the present invention.
Annotate: Fig. 2 of the present invention is the analysis photo of product state, the unintelligible understanding that does not influence technical solution of the present invention of literal or image among the figure.
Embodiment
The present invention is a kind of well behaved exterior wall water-borne emulsion paint, can adopt modes such as brushing, common spraying, Airless spraying to construct.Specify below in conjunction with embodiment:
Nano silica sol modification exterior wall latex paint formulation is as follows by weight ratio:
The slurrying stage
| Water | 220 kg |
| Wetting agent X-405 | 1 kg |
| Conditioning agent AMP-95 | 1.5 kg |
| Dispersion agent SN-5040 | 5 kg |
| Defoamer NXZ | 1.5 kg |
| Film coalescence aid TEXANOL | 15 kg |
| Propylene glycol | 15 kg |
| TiO 2 | 150 kg |
| Coarse whiting | 150 kg |
| Talcum powder | 30 kg |
| Thickening material PE-66 | 5 kg |
| Water | 25 kg |
The high speed dispersion sand milling enters the paint stage
| Benzene emulsion 296D-S | 320 kg |
| Defoamer NXZ | 1 kg |
| |
50 kg |
| Thickening material PE-667 | 5 kg |
| Water | 10 kg |
| Amount to | 1000 kg |
In the present embodiment, dispersion agent SN-5040 is polycarboxylate sodium's type dispersion agent, has the flowability that low whipability also can be improved coating, can make low viscous stable coating.Defoamer NXZ originates from Nuo Puke company and belongs to the metallic soap defoamer.PE-667 is the alkali associative thickener that French high Supreme Being Si company goes out, and has thickening property and has levelling property concurrently.
The exterior wall latex paint performance index
| Project | Index |
| Condition in container | No lump, stirring back become uniform state |
| Application property | It is accessible to whitewash two roads |
| Time of drying (surface drying) | ≦1h |
| Appearance of film | Normally |
| Contrast ratio (white) | ≧0.95 |
| Water tolerance | 96h is no abnormal |
| Acidproof rain (sulphuric acid soln of PH=3) | 48h is no abnormal |
| Artificial weathering ageing resistance's (white) | 400h is no abnormal |
| Coating temperature-change resistance (five circulations) | No abnormal |
The result shows, it all reaches the emulsion paint of method for preparing standard and is higher than general exterior wall latex paint in performances such as condition in container, application property, time of drying, appearance of film, contrast ratio, water tolerance, especially artificial weathering ageing resistance's excellent performance is compared with common exterior wall latex paint and to be had clear superiority.
Claims (1)
1. the preparation method of a Nano silica sol modification exterior wall emulsion paint, it is characterized in that: this preparation method is made up of following two steps:
Disperse polishing: will
Drop into dispersion machine, disperseed 10 ~ 15 minutes with the rotating speed of 1500 ~ 300rpm, grind with the sand mill of 4000rpm rotating speed again and filter;
Aftertreatment: will
Drop into and disperse slurry, adjust pH and viscosity make emulsion paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110147247 CN102268208B (en) | 2011-06-02 | 2011-06-02 | Nanometer silica sol modified exterior wall emulsion paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110147247 CN102268208B (en) | 2011-06-02 | 2011-06-02 | Nanometer silica sol modified exterior wall emulsion paint and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102268208A CN102268208A (en) | 2011-12-07 |
| CN102268208B true CN102268208B (en) | 2013-07-17 |
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| CN104263104A (en) * | 2014-09-03 | 2015-01-07 | 天长市开林化工有限公司 | Washable silica sol emulsion paint |
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| US20060106129A1 (en) * | 2002-05-08 | 2006-05-18 | Michael Gernon | Optimized alkanolamines for latex paints |
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Application publication date: 20111207 Assignee: SHENYANG SHUNFENG INDUSTRIAL GROUP CO., LTD. Assignor: Shenyang Shunfeng Metro Building Materials Co., Ltd. Contract record no.: 2013210000062 Denomination of invention: Nanometer silica sol modified exterior wall emulsion paint and preparation method thereof License type: Common License Record date: 20130627 |
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Application publication date: 20111207 Assignee: Shenyang Zhen Shiyuan coating Science and Technology Ltd. Assignor: Shenyang Shunfeng Metro Building Materials Co., Ltd. Contract record no.: 2015210000012 Denomination of invention: Nanometer silica sol modified exterior wall emulsion paint and preparation method thereof Granted publication date: 20130717 License type: Common License Record date: 20150309 |
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Address after: 110141 Yao village, Yuhong Township, Yuhong District, Liaoning, Shenyang Patentee after: Shenyang Shunfeng New Materials Co., Ltd Address before: 110141, Liaoning, Shenyang Yuhong District Shun Hong Shun Taiwan Science and Technology Park Patentee before: Shenyang Shunfeng Metro Building Materials Co., Ltd. |
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Address after: 110141 Yao village, Yuhong Township, Yuhong District, Liaoning, Shenyang Patentee after: Liaoning Shunfeng New Material Technology Co.,Ltd. Address before: 110141 Yao village, Yuhong Township, Yuhong District, Liaoning, Shenyang Patentee before: SHENYANG SHUNFENG NEW MATERIAL Co.,Ltd. |