CN101864235A - Method for preparing exterior wall coating - Google Patents
Method for preparing exterior wall coating Download PDFInfo
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- CN101864235A CN101864235A CN 201010221181 CN201010221181A CN101864235A CN 101864235 A CN101864235 A CN 101864235A CN 201010221181 CN201010221181 CN 201010221181 CN 201010221181 A CN201010221181 A CN 201010221181A CN 101864235 A CN101864235 A CN 101864235A
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Abstract
The invention relates to a method for preparing an exterior wall coating, which comprises the steps of preparing modified acrylate emulsion and preparing the coating, wherein 65 parts of water, 60 parts of rutile type titanium dioxide, 10 parts of mica powder, 20 parts of heavy calcium carbonate, 2 parts of aluminium silicate, 0.2 part of defoaming agent and 1 part of thickening agent are dispersed in a high-speed disperser for 40 minutes, and then transferred to a grinder; and the prepared 100 parts of modified acrylate emulsion is added for grinding and mixing so as to form the exterior wall coating.
Description
Technical field
The present invention relates to a kind of preparation method of exterior coating, relate in particular to a kind of preparation method who contains modified acrylate emulsion.
Background technology
Exterior coating is used for the brushing facade, so a most important index is exactly a ultraviolet radiation resisting, requires to reach long-time irradiation nondiscoloration.Exterior coating has also required water repelling property, and requiring has from washing property.It is hard and smooth that paint film is wanted, dirty once dashing.It is energy because it also has a water resisting property that exterior coating can be used for interior wall brushing use; And interior wall coating does not possess the anti-function of shining, so can not be interior wall coating when exterior coating usefulness.
Acrylate is that a kind of cohesiveness is strong, the macromolecular material that film-forming properties is high, obtained using widely in paint field, but its existence is a poor processability, the easy roll banding of sizing material, sulphur speed is slow, and winter hardiness is poor, not water-fast, water vapour, soda acid, salts solution and organic polar solvent, the poor flexibility under the room temperature, the shortcoming that wears no resistance.
CN1306050A discloses a kind of organosilicon modified acrylic paint for external wall and preparation method thereof, and its raw material comprises organosilicon crylic acid latex, filler, and dispersion agent, defoamer, sanitas, thickening material, water, and the preparation of organosilicon crylic acid latex carried out simple record.
CN1594469A discloses a kind of silicon-acrylic coatings, and its raw material comprises organosilicon crylic acid latex, titanium dioxide, and talcum powder, barium sulfate, water, auxiliary agent, and the synthetic of organosilicon crylic acid latex put down in writing.
Also have in the prior art much about exterior coating and the record that contains the exterior coating of organosilicon crylic acid latex, but there is the more gel of appearance in the reaction in the preparation method about organosilicon crylic acid latex in the prior art, production technique is difficult to control, thereby causes relatively poor technological deficiency such as final coating products water resistance.
Summary of the invention
The invention provides a kind of preparation method of exterior coating, wherein be specifically related to the preparation of modified acrylate emulsion, pass through strictness in this method and control processing condition such as the adding opportunity of various compositions, add-on, thereby better controlled the generation of gel in the reaction, and shortened the required time of whole process of preparation.
Preparation method's concrete steps of exterior coating of the present invention are as follows, described material quantity all by weight:
(1) preparation of modified acrylate emulsion
Get Sodium dodecylbenzene sulfonate 1-1.2 part, vinyltriethoxysilane 3-4 part, add in 50-60 part deionized water, stir, regulate pH to 3, be warming up to 75-80 ℃ with hydrochloric acid, add vinyltriethoxysilane 6-8 part then, be incubated 1 hour, reduce to room temperature then, obtain silicone oil emulsion A;
Get methacrylic ester 45-50 part, butyl acrylate 48-55 part, methacrylic acid 4-5 part joins in 60-75 part deionized water, stir, regulate pH to 6 with sodium hydroxide, be warming up to 75-80 ℃, add 0.08-0.1 part initiator then, insulation reaction 1.5 hours, reduce to room temperature then, regulate pH to 7, obtain emulsus oligopolymer B;
B with 1/4 mixes with A, stirs 15 minutes, is warming up to 75-80 ℃, add 0.08-0.1 part initiator, reacted 0.5 hour, and then temperature maintenance was arrived 75-80 ℃, add remaining 3/4 B and 0.15-0.2 part initiator, reacted 1.5 hours, and then added 0.08-0.1 part initiator for reaction 0.5 hour, and then be warming up to 85 ℃ of insulations 1 hour, be cooled to room temperature, regulate pH to neutral with ammoniacal liquor, obtain modified acrylate emulsion;
(2) preparation of coating
100 parts of modified acrylate emulsions getting above-mentioned preparation are standby;
Water intaking 65-85 part, rutile titanium white powder 60-80, mica powder 10-20, water-ground limestone 20-25, pure aluminium silicate 2-3, defoamer 0.2-0.5 part, thickening material 1-1.5 part are put into the high speed extension set and were disperseed 40-60 minute, go to skin grinder then, add 100 parts of standby modified acrylate emulsion ground and mixed, thereby obtain exterior coating.
Described initiator is a Potassium Persulphate.
Advantages such as preparation method for coating of the present invention has that the modification ability is strong, and significant loss is few, and gel generates few, and technical process is short, and the coating of preparation have water-fast, wear-resisting, alkaline-resisting, easily construction, advantages such as appearance of film excellence.
Embodiment
Embodiment 1
Material quantity is all by weight:
(1) preparation of modified acrylate emulsion
Get 1 part of Sodium dodecylbenzene sulfonate, 3 parts of vinyltriethoxysilanes add in 50 parts of deionized waters, stir, regulate pH to 3 with hydrochloric acid, be warming up to 75 ℃, add 6 parts of vinyltriethoxysilanes then, be incubated 1 hour, reduce to room temperature then, obtain silicone oil emulsion A;
Get 45 parts of methacrylic esters, 48 parts of butyl acrylates, 4 parts of methacrylic acids join in 60 parts of deionized waters, stir, regulate pH to 6 with sodium hydroxide, be warming up to 75 ℃, add 0.08 part of Potassium Persulphate then, insulation reaction 1.5 hours, reduce to room temperature then, regulate pH to 7, obtain emulsus oligopolymer B;
B with 1/4 mixes with A, stirs 15 minutes, is warming up to 75 ℃, add 0.08 part of Potassium Persulphate, reacted 0.5 hour, and, added B and 0.15 part of Potassium Persulphate of remaining 3/4 then with temperature maintenance to 78 ℃, reacted 1.5 hours, and then add 0.08 part of Potassium Persulphate reaction 0.5 hour, and then be warming up to 85 ℃ of insulations 1 hour, be cooled to room temperature, regulate pH to neutral with ammoniacal liquor, obtain modified acrylate emulsion;
(2) preparation of coating
100 parts of modified acrylate emulsions getting above-mentioned preparation are standby;
Fetch water 65 parts, rutile titanium white powder 60, mica powder 10, water-ground limestone 20, pure aluminium silicate 2,0.2 part of defoamer, thickening material are put into the high speed extension set for 1 part and were disperseed 40 minutes, go to skin grinder then, add 100 parts of standby modified acrylate emulsion ground and mixed, thereby obtain exterior coating.
Embodiment 2
Material quantity is all by weight:
(1) preparation of modified acrylate emulsion
Get 1.2 parts of Sodium dodecylbenzene sulfonatees, 3.5 parts of vinyltriethoxysilanes add in 55 parts of deionized waters, stir, regulate pH to 3 with hydrochloric acid, be warming up to 78 ℃, add 6 parts of vinyltriethoxysilanes then, be incubated 1 hour, reduce to room temperature then, obtain silicone oil emulsion A;
Get 48 parts of methacrylic esters, 50 parts of butyl acrylates, 4.5 parts of methacrylic acids join in 70 parts of deionized waters, stir, regulate pH to 6 with sodium hydroxide, be warming up to 78 ℃, add 0.09 part of Potassium Persulphate then, insulation reaction 1.5 hours, reduce to room temperature then, regulate pH to 7, obtain emulsus oligopolymer B;
B with 1/4 mixes with A, stirs 15 minutes, is warming up to 78 ℃, add 0.09 part of Potassium Persulphate, reacted 0.5 hour, and, added B and 0.18 part of Potassium Persulphate of remaining 3/4 then with temperature maintenance to 78 ℃, reacted 1.5 hours, and then add 0.09 part of Potassium Persulphate reaction 0.5 hour, and then be warming up to 85 ℃ of insulations 1 hour, be cooled to room temperature, regulate pH to neutral with ammoniacal liquor, obtain modified acrylate emulsion;
(2) preparation of coating
100 parts of modified acrylate emulsions getting above-mentioned preparation are standby;
Fetch water 75 parts, rutile titanium white powder 70, mica powder 15, water-ground limestone 20, pure aluminium silicate 3,0.4 part of defoamer, thickening material are put into the high speed extension set for 1.2 parts and were disperseed 50 minutes, go to skin grinder then, add 100 parts of standby modified acrylate emulsion ground and mixed, thereby obtain exterior coating.
Embodiment 3
Material quantity is all by weight:
(1) preparation of modified acrylate emulsion
Get 1.2 parts of Sodium dodecylbenzene sulfonatees, 4 parts of vinyltriethoxysilanes add in 60 parts of deionized waters, stir, regulate pH to 3 with hydrochloric acid, be warming up to 80 ℃, add 8 parts of vinyltriethoxysilanes then, be incubated 1 hour, reduce to room temperature then, obtain silicone oil emulsion A;
Get 50 parts of methacrylic esters, 55 parts of butyl acrylates, 5 parts of methacrylic acids join in 75 parts of deionized waters, stir, regulate pH to 6 with sodium hydroxide, be warming up to 80 ℃, add 0.1 part of Potassium Persulphate then, insulation reaction 1.5 hours, reduce to room temperature then, regulate pH to 7, obtain emulsus oligopolymer B;
B with 1/4 mixes with A, stirs 15 minutes, is warming up to 80 ℃, add 0.1 part of Potassium Persulphate, reacted 0.5 hour, and, added B and 0.2 part of Potassium Persulphate of remaining 3/4 then with temperature maintenance to 80 ℃, reacted 1.5 hours, and then add 0.1 part of Potassium Persulphate reaction 0.5 hour, and then be warming up to 85 ℃ of insulations 1 hour, be cooled to room temperature, regulate pH to neutral with ammoniacal liquor, obtain modified acrylate emulsion;
(2) preparation of coating
100 parts of modified acrylate emulsions getting above-mentioned preparation are standby;
Fetch water 85 parts, rutile titanium white powder 80, mica powder 20, water-ground limestone 25, pure aluminium silicate 3,0.5 part of defoamer, thickening material are put into the high speed extension set for 1.5 parts and were disperseed 60 minutes, go to skin grinder then, add 100 parts of standby modified acrylate emulsion ground and mixed, thereby obtain exterior coating.
The part technical indicator of embodiment 1-3
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Appearance of film | Full, smooth, no lump, uniform state | Full, smooth, no lump, uniform state | Full, smooth, no lump, uniform state |
| Solid content | ??52％ | ??54％ | ??55％ |
| Application property | It is accessible to brush two roads | It is accessible to brush two roads | It is accessible to brush two roads |
| Time of drying (min) | ??52 | ??56 | ??50 |
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Opacifying power (g/m 2) | ??120 | ??125 | ??127 |
| Brushing resistance | Pass through for 5000 times | Pass through for 5000 times | Pass through for 5000 times |
| Water tolerance | 250h is no abnormal | 250h is no abnormal | 250h is no abnormal |
| Alkali resistance | 200h is no abnormal | 200h is no abnormal | 200h is no abnormal |
More than every technical indicator all be higher than the requirement of national standard for acceptable end product, and be better than the performance of the coating products of selling on the market.
Claims (2)
1. the preparation method of an exterior coating is characterized in that concrete steps are as follows, described material quantity all by weight:
(1) preparation of modified acrylate emulsion
Get Sodium dodecylbenzene sulfonate 1-1.2 part, vinyltriethoxysilane 3-4 part, add in 50-60 part deionized water, stir, regulate pH to 3, be warming up to 75-80 ℃ with hydrochloric acid, add vinyltriethoxysilane 6-8 part then, be incubated 1 hour, reduce to room temperature then, obtain silicone oil emulsion A;
Get methacrylic ester 45-50 part, butyl acrylate 48-55 part, methacrylic acid 4-5 part joins in 60-75 part deionized water, stir, regulate pH to 6 with sodium hydroxide, be warming up to 75-80 ℃, add 0.08-0.1 part initiator then, insulation reaction 1.5 hours, reduce to room temperature then, regulate pH to 7, obtain emulsus oligopolymer B;
B with 1/4 mixes with A, stirs 15 minutes, is warming up to 75-80 ℃, add 0.08-0.1 part initiator, reacted 0.5 hour, and then temperature maintenance was arrived 75-80 ℃, add remaining 3/4 B and 0.15-0.2 part initiator, reacted 1.5 hours, and then added 0.08-0.1 part initiator for reaction 0.5 hour, and then be warming up to 85 ℃ of insulations 1 hour, be cooled to room temperature, regulate pH to neutral with ammoniacal liquor, obtain modified acrylate emulsion;
(2) preparation of coating
100 parts of modified acrylate emulsions getting above-mentioned preparation are standby;
Water intaking 65-85 part, rutile titanium white powder 60-80, mica powder 10-20, water-ground limestone 20-25, pure aluminium silicate 2-3, defoamer 0.2-0.5 part, thickening material 1-1.5 part are put into the high speed extension set and were disperseed 40-60 minute, go to skin grinder then, add 100 parts of standby modified acrylate emulsion ground and mixed, thereby obtain exterior coating.
2. the preparation method of the described exterior coating of claim 2, wherein said initiator is a Potassium Persulphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102211812A CN101864235B (en) | 2010-07-08 | 2010-07-08 | Method for preparing exterior wall coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102211812A CN101864235B (en) | 2010-07-08 | 2010-07-08 | Method for preparing exterior wall coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101864235A true CN101864235A (en) | 2010-10-20 |
| CN101864235B CN101864235B (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102211812A Active CN101864235B (en) | 2010-07-08 | 2010-07-08 | Method for preparing exterior wall coating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104130658A (en) * | 2014-06-17 | 2014-11-05 | 安徽碧满塘建材有限公司 | Stain-resistant dustproof exterior wall coating |
| WO2016161586A1 (en) * | 2015-04-09 | 2016-10-13 | Rhodia Operations | Water based composition comprising light diffusion particles and a siloxane-modified acrylic resin |
| CN107141861A (en) * | 2017-07-07 | 2017-09-08 | 佛山领新信息科技有限公司 | A kind of uvioresistant and the excellent exterior coating of storage stability and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0484000A2 (en) * | 1990-10-31 | 1992-05-06 | Dow Corning Corporation | Aqueous silicone-organic hybrids |
| CN1306050A (en) * | 1999-10-22 | 2001-08-01 | 东营市渤海装饰有限责任公司 | Organosilicon modified acrylic paint for external wall and its preparing process |
| CN1594469A (en) * | 2004-07-09 | 2005-03-16 | 中山大学 | Silicon acrylic paint |
-
2010
- 2010-07-08 CN CN2010102211812A patent/CN101864235B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0484000A2 (en) * | 1990-10-31 | 1992-05-06 | Dow Corning Corporation | Aqueous silicone-organic hybrids |
| CN1306050A (en) * | 1999-10-22 | 2001-08-01 | 东营市渤海装饰有限责任公司 | Organosilicon modified acrylic paint for external wall and its preparing process |
| CN1594469A (en) * | 2004-07-09 | 2005-03-16 | 中山大学 | Silicon acrylic paint |
Non-Patent Citations (2)
| Title |
|---|
| 《中国涂料》 20050715 张保利等 硅丙涂料的现状及发展趋势 第14页至15页 1-2 , 2 * |
| 《河南化工》 20061120 帅李等 涂料用有机硅改性丙烯酸酯乳液的研究进展 第1页至第3页 1-2 第23卷, 第11期 2 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104130658A (en) * | 2014-06-17 | 2014-11-05 | 安徽碧满塘建材有限公司 | Stain-resistant dustproof exterior wall coating |
| WO2016161586A1 (en) * | 2015-04-09 | 2016-10-13 | Rhodia Operations | Water based composition comprising light diffusion particles and a siloxane-modified acrylic resin |
| CN107141861A (en) * | 2017-07-07 | 2017-09-08 | 佛山领新信息科技有限公司 | A kind of uvioresistant and the excellent exterior coating of storage stability and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101864235B (en) | 2012-07-18 |
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Effective date of registration: 20161010 Address after: 017010 the Inner Mongolia Autonomous Region Ordos Ulan New District of Kangbashi City, the South Bank of the Mulun River Xingtai Business Plaza (CBD) T4 tower room 2207 Patentee after: INNER MONGOLIA XINGTAI CONSTRUCTION GROUP CO., LTD. Address before: The Inner Mongolia Autonomous Region city Dongsheng District 017000 Ordos ejinhuro Street No. 7 Room 405 Patentee before: Inner Mongolia Xingtai Construction Co., Ltd. |
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Address after: The Inner Mongolia Autonomous Region city Dongsheng District 017000 Ordos ejinhuro Street No. 7 Patentee after: Xingtai Construction Group Co., Ltd Address before: 017010 the Inner Mongolia Autonomous Region Ordos Ulan New District of Kangbashi City, the South Bank of the Mulun River Xingtai Business Plaza (CBD) T4 tower room 2207 Patentee before: INNER MONGOLIA XINGTAI CONSTRUCTION GROUP Co.,Ltd. |