CN102489194A - Production technology of weather-resistant liquid granite coating - Google Patents
Production technology of weather-resistant liquid granite coating Download PDFInfo
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- CN102489194A CN102489194A CN2011103636443A CN201110363644A CN102489194A CN 102489194 A CN102489194 A CN 102489194A CN 2011103636443 A CN2011103636443 A CN 2011103636443A CN 201110363644 A CN201110363644 A CN 201110363644A CN 102489194 A CN102489194 A CN 102489194A
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- liquid granite
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Abstract
The invention relates to a production technology of a coating, particularly a production technology of a weather-resistant liquid granite coating. The invention solves the problems of difficult control of the stability of suspended particles among various batches of liquid granite, unstable effective control of the plumpness and shapes of particles, great investment in human and materials, high production cost and the like. The technology comprises the following steps: mixing dispersed phases and dispersed mediums, putting the mixture in a cutting rotary scattering cylinder to cut, extracting and filtering the mixture, and introducing in a mixing cylinder to mix with emulsion and auxiliary agents and stirring. The invention can guarantee the size and shape stability of the particles among various batches, and has the advantages of small investment in human and materials, low production cost and the like.
Description
Technical field
That the present invention relates to is a kind of preparation technology of coating, specifically is meant the liquid granite coating production technology of weather resistant.
Background technology
Existing liquid granite coating commonly used is a multicolor finish.Multicolor finish generally is divided into 4 types of oil-in-water types, water-in-oil type, oily oil-in, water-in-water type.Because the oil-in-water type multicolor finish has adopted nitrocotton and a large amount of organic solvents, in production and use, discharge a large amount of pernicious gases, contaminated environment causes many harm for production and user.To the demand of multicolor finish, novel aqueous multicolor finish has appearred to the shortcoming of oil-in-water type multicolor finish and people.This coating not only has most of advantage of oil-in-water type multicolor finish; And overcome oil-in-water type multicolor finish this shortcoming with an organic solvent; Improve its weatherability, enlarged the scope of application of multicolor finish, become the general multicolor finish of interior exterior wall of excellent performance.But because the decentralized photo and the decentralized medium of water-soluble colorful coating all are made up of aqueous substance, therefore, the stability when solving decentralized photo and decentralized medium and coexistence thereof is difficult point.
Liquid granite coating is to use the droplet of water emulsion coating to constitute the decentralized photo of coating, and it is the heterogeneous suspended substance of decentralized medium that the protection glue solution constitutes continuous phase.Decentralized photo and decentralized medium can be synthetic through common emulsion paint dispersing apparatus, and final heterogeneous suspended substance can form through kinds of processes, and this process promptly is the prilling of liquid granite.
Granulation is a most critical in the liquid granite coating production process; It also is part the most rambunctious; What the prilling use of present liquid granite was more frequent roughly has two kinds: first kind of fundamental sum generic latex lacquer craftwork do not have significant difference, is through dispersion machine stirring-granulating under lower-wattage.The defective of this prilling is the stability of suspended particulate between the liquid granite of difficult control batch, and plumpness and shape to particle that also can't be stable control effectively.Second kind is through manual screen cloth granulation, though the stability between liquid granite of the same race batch has effectively been controlled in this granulation, the manpower and materials that drop into are bigger, and production cost is higher, and can't effectively satisfy more large batch of production demand.
Summary of the invention
The object of the present invention is to provide a kind of liquid granite coating production technology of weather resistant that guarantees granular size and shape stability between the different batches.
Technical scheme of the present invention is following: the liquid granite coating production technology of weather resistant, mainly form by following steps:
(1) decentralized photo of getting ready and decentralized medium are fully mixed;
(2) base paint extracting of all kinds is disperseed through the rotary cut-off blade that is provided with in the cutting style rotation dispersion cylinder it to be cut in the cylinder to cutting the style rotation;
(3) material after the cutting is carried out extracting, it is filtered through loading and unloading sieve sheet;
(4) material after will filtering imports mixed cylinder and mixes with emulsion and auxiliary agent, promptly processes finished product after mixing.
For the granule stability after guaranteeing to filter, the rotary speed of rotary cut-off blade is smaller or equal to 150 rev/mins in the said step (2).
As a kind of preferred, the rotary speed of rotary cut-off blade is 50～100 rev/mins in the said step (2).
Further, the pressure of extracting is 0.02～0.05Mpa in the said step (3).
In order to confirm size, plumpness and the shape of particle, the number of said loading and unloading sieve sheet is 1～3.
Further, said step (2)～step (4) is all carried out under vacuum condition.
The present invention has the following advantages and beneficial effect:
1, the present invention has increased this step of cutting on existing basis, has guaranteed to filter the stability of back particle through the product after the cutting.
2, the present invention filters the material after cutting, and according to the speed of extracting and the number difference of loading and unloading sieve sheet, can effectively control granular size, plumpness and the shape of finished product.
3, step of the present invention (2)～step (4) is all carried out under vacuum condition, can guarantee the stable and consistent property of granular size between different batches, plumpness and shape like this.
4, the manpower and materials of the present invention's input are less, and production cost is lower.
The specific embodiment
The common stirring and the granulation mode of sieving are difficult to guarantee the stability of liquid granite particle.The present invention adopts special stabilisation prilling; Two cylinders are used; Through the special technology of vacuum extraction step by step granulation, and use the rotation of cutting style to disperse cylinder to make it to form stable look grain dispersion, guaranteed the stability of granular size and shape between the different batches.Below in conjunction with embodiment, the present invention is done to specify further, but embodiment of the present invention is not limited thereto.
Embodiment 1
At first, decentralized photo of getting ready and decentralized medium are fully mixed, be about to decentralized photo and decentralized medium and mix.
Next disperses the mixture extracting in the cylinder and through the rotary cut-off blade that is provided with in the cutting style rotation dispersion cylinder it to be cut to cutting the style rotation.
Because of the cutting of base paint of all kinds is to realize through the rotary cut-off blade that the rotation of cutting style disperses to be provided with in the cylinder, so the rotary speed of rotary cut-off blade has very big influence to cutting.Promptly under vacuum condition, when the rotary speed of rotary cut-off blade is adjusted into 90 rev/mins, the granule stability after can well guaranteeing to filter.
Through just guaranteeing to filter the stability of back particle behind this cutting step.
Then, the material after the cutting is carried out extracting, it is filtered through loading and unloading sieve sheet;
Because of controlling size, plumpness and the shape of particle in the filter process through the number that sheet is sieved in the speed and the loading and unloading of control vacuum extraction.Therefore when the product of the size that needs variable grain, plumpness and shape, just can sieve sheet and realize through the loading and unloading that different extracting speed and different numbers are set.The extracting pressure that adopts in the present embodiment is 0.03Mpa, and the number of loading and unloading sieve sheet is 3.
At last, the material after filtering is imported mixed cylinder mix, promptly can be made into finished product after mixing with emulsion and auxiliary agent.
Embodiment 2
The difference of present embodiment and embodiment 1 is: the rotary speed of rotary cut-off blade is 60 rev/mins, and the pressure that material after cutting is carried out extracting is 0.04Mpa, and the number of loading and unloading sieve sheet is 2.
Embodiment 3
The difference of present embodiment and embodiment 1 is: the rotary speed of rotary cut-off blade is 80 rev/mins, and the pressure that material after cutting is carried out extracting is 0.05Mpa, and the number of loading and unloading sieve sheet is 1.
Coating preparation technology according to above embodiment employing; Especially after through the rotary cut-off blade that is provided with in the cutting style rotation dispersion cylinder it being cut, filters; Material after will filtering again imports mixed cylinder and emulsion and auxiliary agent and mixes, and two cylinders are used, and adopts the granulation of vacuum extraction technology; Make it to form stable look grain dispersion, guaranteed the stability of granular size and shape between the different batches.
Through detecting, more than granular size and the liquid granite coating of weather resistant that shape stability all is higher than the conventional method preparation of 3 embodiment, its production cost also is lower than the liquid granite coating of weather resistant of conventional method preparation.
According to above design, just can realize the present invention preferably.
Claims (6)
1. the liquid granite coating production technology of weather resistant is characterized in that, mainly is made up of following steps:
(1) decentralized photo of getting ready and decentralized medium are fully mixed;
(2) the mixture extracting is disperseed in the cylinder to cutting the style rotation, the rotary cut-off blade that disperses to be provided with in the cylinder through the rotation of cutting style cuts it;
(3) material after the cutting is carried out extracting, it is filtered through loading and unloading sieve sheet;
(4) material after will filtering imports mixed cylinder and mixes with emulsion and auxiliary agent, promptly processes finished product after mixing.
2. the liquid granite coating production technology of weather resistant according to claim 1 is characterized in that the rotary speed of rotary cut-off blade is smaller or equal to 150 rev/mins in the said step (2).
3. the liquid granite coating production technology of weather resistant according to claim 1 is characterized in that the rotary speed of rotary cut-off blade is 50～100 rev/mins in the said step (2).
4. the liquid granite coating production technology of weather resistant according to claim 1 is characterized in that the pressure of extracting is 0.02～0.05Mpa in the said step (3).
5. the liquid granite coating production technology of weather resistant according to claim 1 is characterized in that, the number of said loading and unloading sieve sheet is 1～3.
6. according to the liquid granite coating production technology of each described weather resistant of claim 2～5, it is characterized in that said step (2)～step (4) is all carried out under vacuum condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103636443A CN102489194A (en) | 2011-11-17 | 2011-11-17 | Production technology of weather-resistant liquid granite coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103636443A CN102489194A (en) | 2011-11-17 | 2011-11-17 | Production technology of weather-resistant liquid granite coating |
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| Publication Number | Publication Date |
|---|---|
| CN102489194A true CN102489194A (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103636443A Pending CN102489194A (en) | 2011-11-17 | 2011-11-17 | Production technology of weather-resistant liquid granite coating |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000135471A (en) * | 1998-11-02 | 2000-05-16 | Yamamoto Yogyo Kako Kk | Formation of decorative material and coating material used for the same |
| CN1460697A (en) * | 2003-05-16 | 2003-12-10 | 广州秀珀化工有限公司 | Weatherability self-cleaning external wall coating material and its preparation method |
| CN1483771A (en) * | 2002-09-20 | 2004-03-24 | 上海索维机电设备有限公司 | Method for producing coating |
| CN1528832A (en) * | 2003-09-26 | 2004-09-15 | 潘友长 | Coating production system and related apparatus |
| CN1609151A (en) * | 2003-10-23 | 2005-04-27 | 南阳高新区泰锋环保涂料有限公司 | Water soluble industry paint and its prepn process |
| CN101525506A (en) * | 2009-04-03 | 2009-09-09 | 富思特制漆（北京）有限公司 | Liquid granite paint and preparing method thereof |
-
2011
- 2011-11-17 CN CN2011103636443A patent/CN102489194A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000135471A (en) * | 1998-11-02 | 2000-05-16 | Yamamoto Yogyo Kako Kk | Formation of decorative material and coating material used for the same |
| CN1483771A (en) * | 2002-09-20 | 2004-03-24 | 上海索维机电设备有限公司 | Method for producing coating |
| CN1460697A (en) * | 2003-05-16 | 2003-12-10 | 广州秀珀化工有限公司 | Weatherability self-cleaning external wall coating material and its preparation method |
| CN1528832A (en) * | 2003-09-26 | 2004-09-15 | 潘友长 | Coating production system and related apparatus |
| CN1609151A (en) * | 2003-10-23 | 2005-04-27 | 南阳高新区泰锋环保涂料有限公司 | Water soluble industry paint and its prepn process |
| CN101525506A (en) * | 2009-04-03 | 2009-09-09 | 富思特制漆（北京）有限公司 | Liquid granite paint and preparing method thereof |
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Application publication date: 20120613 |