CN104311158A - Matt under-glaze-color glazed brick production method - Google Patents
Matt under-glaze-color glazed brick production method Download PDFInfo
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Abstract
The invention relates to a matt under-glaze-color glazed brick production method, which comprises: preparing a bottom brick, printing on the bottom brick, preparing a frit layer, firing, polishing, edging, sorting, and packaging to obtain the final finished product, wherein a layer of a hydrophobic agent is sprayed on the brick with the printed pattern, the frit layer with the pattern is covered, and then a layer of a frit particle binder is sprayed and contains, by mass, 5.0-6.0% of a cellulose thickener, 2.0-2.8% of attapulgite, 1.1-1.4% of a defoamer, 1.2-1.8% of a dispersion agent, and the balance of a solvent. According to the present invention, the frit particle binder is adopted, such that the frit particle is prevented from being sucked by the low negative pressure of the kiln preheating zone so as to avoid a large number of pin holes, bubbles and other defects on the ceramic brick surface and substantially improve the integrity and the smoothness of the surface texture of the fired brick billet.
Description
Technical field
The present invention relates to a kind of building material technical field, particularly relate to the production method that a kind of dumb light under glazed throws glazed brick.
Background technology
At present, ceramic tile is the main raw of interior decoration.Through the development of nearly twenties years, the manufacturing technology of ceramic tile was advanced by leaps and bounds, and early stage product cannot be mentioned in the same breath.Along with the requirement of people is more and more higher, the ceramic tile product on market is also continuous in improvement, to meet the demand of people.Although now ceramic tile product is commercially more and more abundanter on the decoration of surface effect, wherein the throwing glazed brick of matte effect is also more and more by the favor of human consumer, and wherein dumb light under glazed throws glazed brick is exactly wherein a kind of.Throw in dumb light under glazed in the production process of glazed brick and used frit, but the quality of frit particle directly determines the quality of adobe decorative effect, due to glue or poor to the stationarity of clear frit particle, described when firing, too little clear frit particle easily introduces pin hole or bubble, what is more important fine particle (being especially less than 100 orders) is easily sucked away due to lower negative pressure in the preheating zone of kiln due to lighter weight, there is interval line in the transparent ice crystallized reason that therefore obtained crystallization brick product is formed, discontinuous, and leave bubble.If by adding binding agent again to drench the mode of glaze in frit particle, then surface molecule being all fixed on base substrate can be realized, thus reaches good application.So, be badly in need of a kind of frit granule agglomerant of research and connect small frit particle, adopt modes such as drenching glaze by small frit particle application and actual production, reduce the waste of resource.
Drench glaze method to require to add frit particle and mix flow velocity afterwards with binding agent and, lower than 50s (30 DEG C, be coated with-4 glasss), and can not to precipitate, the solid content of frit particle higher than 60%, but this to be common glue or binding agent be difficult to realization.
Summary of the invention
The object of the invention is to propose the production method that a kind of dumb light under glazed throws glazed brick, it can solve isothermals such as using tiny frit to be easily sucked away in sintering process.。
For reaching this object, the present invention by the following technical solutions:
Dumb light under glazed throws a production method for glazed brick, and its production method comprises the steps:
(1), prepare the end brick: select white water-intake rate lower than 0.5% finished product adobe do end brick;
(2), end brick stamp; Printing technology can adopt the one in ink-jet, silk screen, cylinder, or more several combination;
(3), frit layer: first spray one deck hydrophober on the brick of printed pattern, and then cover upper figuratum frit layer, finally spray last layer frit granule agglomerant again;
(4), fire: the brick of frit layer on printed flower and covering is put into kiln and fires, surperficial frit fuses into transparent vitreum, and the pattern color below frit presents;
(5) polishing: by the product after burning till directly through polishing machine polishing, throws flat by the frit on surface; Described polishing machine, by using elastic module as polishing abrasive tool polishing, using grinding wipe as polishing abrasive tool polishing and use polished section to carry out polishing successively as polishing abrasive tool polishing, makes product surface present matte effect;
(6) final finished product is obtained after the product after above-mentioned polishing being carried out edging, sorting, packaging;
Described frit granule agglomerant its by mass percentage, containing, for example lower component: cellulose thickener 5.0-6.0%, attapulgite 2.0-2.8%, defoamer is 1.1-1.4%, and dispersion agent is 1.2-1.8%, and surplus is solvent.
Preferably, described cellulose thickener is at least one in Natvosol, hydroxyethylmethyl-cellulose and Vltra tears.
Preferably, described dispersion agent is at least one in sodium polyacrylate, organic-silicon-modified sodium phosphate and Sodium hexametaphosphate 99.
Preferably, described defoamer is polymethyl siloxane.
Preferably, described solvent is at least one in water, ethylene glycol and ethanol.
Preferably, be 980-1000 DEG C in step (4) firing temperature, the time is 1.5-2 hour.
Preferably, described hydrophober is organosilicon moisture repellent.
The present invention is by using frit granule agglomerant, avoid frit particle to be sucked away by the lower negative pressure of kiln preheating zone, thus avoid ceramic brick surface and occur the flaws such as a large amount of pin holes and bubble, improve integrity and smoothness that the texture of rear surface is burnt till in adobe greatly.
Embodiment
Technical scheme of the present invention is further illustrated below by embodiment.
The thickening mechanism of cellulose thickener be hydrophobic main chain and surrounding water molecules by hydrogen bond association, improve the fluid volume of polymkeric substance itself, decrease the space of Particle free activity, thus improve system viscosity.Also can be realized the raising of viscosity by the winding of molecular chain, showing as and have high viscosity at static and low sheraing, is low-viscosity under high shear.This is because when static state or low shearing speed, cellulose molecular chain is in state of disarray and makes system present high viscosity; And when high shear rates, molecule is parallel to flow direction and makes ordered arrangement, be easy to mutual slip, so system viscosity degradation.Cellulose thickener, attapulgite and auxiliary agent are mixed by a certain percentage, can obtain use under neutral environment, have good thickening adhesive effect, the binding agent of not metal ion, be applicable in Building Ceramics Industry and need to be fixed with in bonding operation frit particle.
Preparation-the embodiment 1 of frit granule agglomerant
The preparation of frit granule agglomerant: the component of every 100kg frit granule agglomerant: Natvosol (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.) 5.0kg, attapulgite 2.5kg, polymethyl siloxane 1.1kg, organic-silicon-modified sodium phosphate 1.7kg, surplus is water.
The preparation method of above-mentioned frit granule agglomerant, comprises the following steps: a) that Natvosol is soluble in water, stirs; B) add polymethyl siloxane and organic-silicon-modified sodium phosphate, stir; C) add attapulgite and residue water solvent, stir and obtain frit granule agglomerant, surveying its flow velocity is 26.8s (30 DEG C, be coated with-4 glasss).It should be noted that, organic-silicon-modified sodium phosphate can use sodium polyacrylate or Sodium hexametaphosphate 99 to replace as dispersion agent also can realize this programme.
Dumb light under glazed throws the preparation-embodiment 1-1 of glazed brick
(1), prepare the end brick: select white water-intake rate lower than 0.5% finished product adobe do end brick; The requirement of adobe relatively goodly can present decalcomania, therefore needs to adopt the higher finished product adobe of whiteness as end brick;
(2), end brick stamp; The mode of four look spray ink Printings is adopted to form full-color decalcomania;
(3), frit layer: first spray one deck hydrophober on the brick of printed pattern, and then cover upper figuratum frit layer, finally spray the frit granule agglomerant that last layer is obtained by embodiment 1 again;
(4), fire: the brick of frit layer on printed flower and covering is put into kiln and fires, surperficial frit fuses into transparent vitreum, and the pattern color below frit presents;
(5) polishing: by the product after burning till directly through polishing machine polishing, throws flat by the frit on surface; Described polishing machine, by using elastic module as polishing abrasive tool polishing, using grinding wipe as polishing abrasive tool polishing and use polished section to carry out polishing successively as polishing abrasive tool polishing, makes product surface present matte effect;
(6) final finished product is obtained after the product after above-mentioned polishing being carried out edging, sorting, packaging;
Here the end brick method needing more than explanation to use, formula are conventional formulation well known in the art, and suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.But also it should be noted that, the clear frit particle that the present embodiment 1-1 selects is sprawled in sintering process, printed layer is formed ice crystal textured pattern, frit particle can be bought by colour glaze company and obtain, the frit such as, used in the present embodiment is the great Hong colour glaze company limited from Sanshui District of Foshan City, the present embodiment firing temperature is 1000 DEG C, and the time is 1.5 hours.
Comparative example 1-2
(1), prepare the end brick: select white water-intake rate lower than 0.5% finished product adobe do end brick (identical with embodiment 1-1);
(2), end brick stamp; (identical with embodiment 1-1)
(3), frit layer: figuratum frit layer on covering again on the brick of printed pattern, and then sprays last layer methylcellulose gum aqueous slurry;
(4), fire: the brick of frit layer on printed flower and covering is put into kiln and fires, surperficial frit fuses into transparent vitreum, and the pattern color below frit presents; (identical with embodiment 1-1)
(5) polishing: by the product after burning till directly through polishing machine polishing, throws flat by the frit on surface; Described polishing machine, by using elastic module as polishing abrasive tool polishing, using grinding wipe as polishing abrasive tool polishing and use polished section to carry out polishing successively as polishing abrasive tool polishing, makes product surface present matte effect;
(6) final finished product is obtained after the product after above-mentioned polishing being carried out edging, sorting, packaging;
Though comparative example obtains the dumb light under glazed with ice crystal textured pattern and throws glazed brick finished product, there is the visible pin hole of a small amount of naked eyes in texture, the continuity of ice crystal texture is not strong.
Can be compared by embodiment 1-1 and the ornamental brick final product quality of comparative example 1-2 and draw and on the clear frit granular layer with ice crystal effect, sprayed frit granule agglomerant of the present invention in embodiment 1-1, make pebble frit particles stick in glaze paint, and do not affect by lower negative pressure in the preheating zone through kiln, glaze paint retains preferably and is not absorbed.In order to illustrate further, the frit granule agglomerant providing embodiment 1-1 to obtain below compares with the kinematic viscosity value μ of the viscosity aqueous slurry used in comparative example 1-2, and experimental data is in table 1.
Kinematic viscosity value μ: be coated with-4 glasss measure at 30 DEG C liquid to flow out from the hole of predetermined hole diameter needed for time obtain flow velocity t, and convert by t=0.223 μ+6.0 and draw kinematic viscosity value μ.
Contrast experiment's data of table 1 embodiment 1-1 and comparative example 1-2
| Numbering | Flow velocity/s | Kinematic viscosity value/(mm 2/s) |
| Embodiment 1-1 | 26.8 | 85.19 |
| Comparative example 1-2 | 7.4 | 8.05 |
Can obtain from table 1, its kinematic viscosity value of frit granule agglomerant in embodiment 1-1 uses the kinematic viscosity of the viscosity aqueous slurry be mixed with by methylcellulose gum to be worth 10 times more than in comparative example 1-2, when the lower negative pressure of kiln preheating zone, can better be bonding frit particle, make it remain not to be sucked away, improve integrity and smoothness that the texture of rear surface is burnt till in adobe greatly, the pin hole problems may leaving over generation because frit particle is sucked away disappearance can be avoided.
Comparative example 1-3
(1), prepare the end brick: select white water-intake rate lower than 0.5% finished product adobe do end brick (identical with embodiment 1-1);
(2), end brick stamp; (identical with embodiment 1-1)
(3), frit layer: figuratum frit layer on covering again on the brick of printed pattern, and then sprays last layer glue;
(4), fire: the brick of frit layer on printed flower and covering is put into kiln and fires, surperficial frit fuses into transparent vitreum, and the pattern color below frit presents; (identical with embodiment 1-1)
(5) polishing: by the product after burning till directly through polishing machine polishing, throws flat by the frit on surface; Described polishing machine, by using elastic module as polishing abrasive tool polishing, using grinding wipe as polishing abrasive tool polishing and use polished section to carry out polishing successively as polishing abrasive tool polishing, makes product surface present matte effect;
(6) final finished product is obtained after the product after above-mentioned polishing being carried out edging, sorting, packaging;
Though comparative example obtains the dumb light under glazed with ice crystal textured pattern and throws glazed brick finished product, there is the visible pin hole of a small amount of naked eyes in texture, the continuity of ice crystal texture is not strong.
Can be compared by embodiment 1-1 and the ornamental brick final product quality of comparative example 1-3 and draw and on the clear frit granular layer with ice crystal effect, sprayed frit granule agglomerant of the present invention in embodiment 1-1, make pebble frit particles stick in glaze paint, and do not affect by lower negative pressure in the preheating zone through kiln, glaze paint retains preferably and is not absorbed.In order to illustrate further, the frit granule agglomerant providing embodiment 1-1 to obtain below compares with the kinematic viscosity value μ of the glue used in comparative example 1-3, and experimental data is in table 2.
Kinematic viscosity value μ: be coated with-4 glasss measure at 30 DEG C liquid to flow out from the hole of predetermined hole diameter needed for time obtain flow velocity t, and convert by t=0.223 μ+6.0 and draw kinematic viscosity value μ.
Contrast experiment's data of table 2 embodiment 1-1 and comparative example 1-3
| Numbering | Flow velocity/s | Kinematic viscosity value/(mm 2/s) |
| Embodiment 1-1 | 26.8 | 85.19 |
| Comparative example 1-3 | 6.8 | 7.75 |
Can obtain from table 2, its kinematic viscosity value of frit granule agglomerant in embodiment 1-1 uses the kinematic viscosity of glue to be worth 10 times more than in comparative example 1-3, when the lower negative pressure of kiln preheating zone, can better be bonding frit particle, make it remain not to be sucked away, improve integrity and smoothness that the texture of rear surface is burnt till in adobe greatly, the pin hole problems may leaving over generation because frit particle is sucked away disappearance can be avoided.
Preparation-the embodiment 2 of frit granule agglomerant
The preparation method of the present embodiment is basically identical with enforcement 1, and difference is, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: hydroxyethylmethyl-cellulose (Dezhou Kang Rong Chemical Co., Ltd.) 5.5kg, attapulgite 3.0kg, polymethyl siloxane 1.4kg, Sodium hexametaphosphate 99 2.1kg, surplus is ethanol.
Preparation-embodiment the 2-1 of ornamental brick
(1), prepare the end brick: select white water-intake rate lower than 0.5% finished product adobe do end brick;
(2), end brick stamp;
(3), frit layer: first spray one deck hydrophober on the brick of printed pattern, and then cover upper figuratum frit layer, finally spray last layer frit granule agglomerant (adopting embodiment 2 to obtain) again;
(4), fire: the brick of frit layer on printed flower and covering is put into kiln and fires, surperficial frit fuses into transparent vitreum, and the pattern color below frit presents;
(5) polishing: by the product after burning till directly through polishing machine polishing, throws flat by the frit on surface; Described polishing machine, by using elastic module as polishing abrasive tool polishing, using grinding wipe as polishing abrasive tool polishing and use polished section to carry out polishing successively as polishing abrasive tool polishing, makes product surface present matte effect;
(6) final finished product is obtained after the product after above-mentioned polishing being carried out edging, sorting, packaging;
Here the end brick method needing more than explanation to use, formula are conventional formulation well known in the art, and suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.But also it should be noted that, the clear frit particle that the present embodiment 2-1 selects is sprawled in sintering process, and printed layer is formed ice crystal textured pattern, and frit particle can be bought by colour glaze company and obtain.The present embodiment firing temperature is 980 DEG C, and the time is 2 hours.The frit particles stick agent flow velocity that the present embodiment obtains is 25.7s (30 DEG C, is coated with-4 glasss), and kinematic viscosity value is 84.56mm
2/ s.
Preparation-the embodiment 3 of frit granule agglomerant
Preparation method and the embodiment 1 of the present embodiment are basically identical, and difference is, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: Vltra tears (Dezhou Kang Rong Chemical Co., Ltd.) 6.0kg, attapulgite 2.6kg, polymethyl siloxane 1.2kg, Sodium hexametaphosphate 99 1.8kg, surplus is ethylene glycol.
Preparation-embodiment the 3-1 of ornamental brick
(1), prepare the end brick: select white water-intake rate lower than 0.5% finished product adobe do end brick;
(2), end brick stamp;
(3), frit layer: first spray one deck hydrophober on the brick of printed pattern, and then cover upper figuratum frit layer, finally spray last layer frit granule agglomerant (adopting embodiment 3 to obtain) again;
(4), fire: the brick of frit layer on printed flower and covering is put into kiln and fires, surperficial frit fuses into transparent vitreum, and the pattern color below frit presents;
(5) polishing: by the product after burning till directly through polishing machine polishing, throws flat by the frit on surface; Described polishing machine, by using elastic module as polishing abrasive tool polishing, using grinding wipe as polishing abrasive tool polishing and use polished section to carry out polishing successively as polishing abrasive tool polishing, makes product surface present matte effect;
(6) final finished product is obtained after the product after above-mentioned polishing being carried out edging, sorting, packaging;
Here the end brick method needing more than explanation to use, formula are conventional formulation well known in the art, and suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.But also it should be noted that, the clear frit particle that the present embodiment 3-1 selects is sprawled in sintering process, and printed layer is formed ice crystal textured pattern, and frit particle can be bought by colour glaze company and obtain.The present embodiment firing temperature is 995 DEG C, and the time is 1.8 hours.The present embodiment use the agent of frit particles stick flow velocity for 25.2s (30 DEG C, be coated with-4 glasss), kinematic viscosity value is 84.98mm2/s.
Preparation-the embodiment 4 of frit granule agglomerant
Preparation method and the embodiment 1 of the present embodiment are basically identical, and difference is, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: Vltra tears (Dezhou Kang Rong Chemical Co., Ltd.) 3.0kg, Natvosol 2.4kg, attapulgite 2.7kg, polymethyl siloxane 1.3kg, sodium polyacrylate 1.9kg, surplus is water and ethylene glycol.
Preparation-embodiment the 4-1 of ornamental brick
(1), prepare the end brick: select white water-intake rate lower than 0.5% finished product adobe do end brick;
(2), end brick stamp;
(3), frit layer: first spray one deck hydrophober on the brick of printed pattern, and then cover upper figuratum frit layer, finally spray last layer frit granule agglomerant (adopting embodiment 4 to obtain) again;
(4), fire: the brick of frit layer on printed flower and covering is put into kiln and fires, surperficial frit fuses into transparent vitreum, and the pattern color below frit presents;
(5) polishing: by the product after burning till directly through polishing machine polishing, throws flat by the frit on surface; Described polishing machine, by using elastic module as polishing abrasive tool polishing, using grinding wipe as polishing abrasive tool polishing and use polished section to carry out polishing successively as polishing abrasive tool polishing, makes product surface present matte effect;
(6) final finished product is obtained after the product after above-mentioned polishing being carried out edging, sorting, packaging;
Here the end brick method needing more than explanation to use, formula are conventional formulation well known in the art, and suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.But also it should be noted that, the clear frit particle that the present embodiment 4-1 selects is sprawled in sintering process, and printed layer is formed ice crystal textured pattern, and frit particle can be bought by colour glaze company and obtain.The present embodiment firing temperature is 997 DEG C, and the time is 1.8 hours.The frit particles stick agent flow velocity that the present embodiment obtains is 26.4s (30 DEG C, is coated with-4 glasss), and kinematic viscosity value is 86.28mm
2/ s.
Preparation-the embodiment 5 of frit granule agglomerant
Preparation method and the embodiment 1 of the present embodiment are basically identical, and difference is, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: Vltra tears (Dezhou Kang Rong Chemical Co., Ltd.) 2.5kg, hydroxyethylmethyl-cellulose 2.8kg (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.), attapulgite 2.9kg, polymethyl siloxane 1.2kg, Sodium hexametaphosphate 99 0.8kg, organic-silicon-modified sodium phosphate 1.0kg, surplus is second alcohol and water.
Preparation-embodiment the 5-1 of ornamental brick
(1), prepare the end brick: select white water-intake rate lower than 0.5% finished product adobe do end brick;
(2), end brick stamp;
(3), frit layer: first spray one deck hydrophober on the brick of printed pattern, and then cover upper figuratum frit layer, finally spray last layer frit granule agglomerant (adopting embodiment 5 to obtain) again;
(4), fire: the brick of frit layer on printed flower and covering is put into kiln and fires, surperficial frit fuses into transparent vitreum, and the pattern color below frit presents;
(5) polishing: by the product after burning till directly through polishing machine polishing, throws flat by the frit on surface; Described polishing machine, by using elastic module as polishing abrasive tool polishing, using grinding wipe as polishing abrasive tool polishing and use polished section to carry out polishing successively as polishing abrasive tool polishing, makes product surface present matte effect;
(6) final finished product is obtained after the product after above-mentioned polishing being carried out edging, sorting, packaging;
Here the end brick method needing more than explanation to use, formula are conventional formulation well known in the art, and suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.But also it should be noted that, the clear frit particle that the present embodiment 5-1 selects is sprawled in sintering process, and printed layer is formed ice crystal textured pattern, and frit particle can be bought by colour glaze company and obtain.The present embodiment firing temperature is 985 DEG C, and the time is 1.8 hours.The flow velocity that the present embodiment obtains the agent of frit particles stick is 26.7s (30 DEG C, is coated with-4 glasss), and kinematic viscosity value is 88.13mm
2/ s.
Preparation-the embodiment 6 of frit granule agglomerant
Preparation method and the embodiment 1 of the present embodiment are basically identical, and difference is, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: hydroxyethylmethyl-cellulose (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.) 3.0kg, Natvosol (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.), attapulgite 2.8kg, polymethyl siloxane 1.2kg, Sodium hexametaphosphate 99 1.4kg, sodium polyacrylate 0.6kg, surplus is ethylene glycol and ethanol.
Preparation-embodiment the 6-1 of ornamental brick
(1), prepare the end brick: select white water-intake rate lower than 0.5% finished product adobe do end brick;
(2), end brick stamp;
(3), frit layer: first spray one deck hydrophober on the brick of printed pattern, and then cover upper figuratum frit layer, finally spray last layer frit granule agglomerant (adopting embodiment 6 to obtain) again;
(4), fire: the brick of frit layer on printed flower and covering is put into kiln and fires, surperficial frit fuses into transparent vitreum, and the pattern color below frit presents;
(5) polishing: by the product after burning till directly through polishing machine polishing, throws flat by the frit on surface; Described polishing machine, by using elastic module as polishing abrasive tool polishing, using grinding wipe as polishing abrasive tool polishing and use polished section to carry out polishing successively as polishing abrasive tool polishing, makes product surface present matte effect;
(6) final finished product is obtained after the product after above-mentioned polishing being carried out edging, sorting, packaging;
Here the end brick method needing more than explanation to use, formula are conventional formulation well known in the art, and suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.But also it should be noted that, the clear frit particle that the present embodiment 6-1 selects is sprawled in sintering process, and printed layer is formed ice crystal textured pattern, and frit particle can be bought by colour glaze company and obtain.The present embodiment firing temperature is 998 DEG C, and the time is 1.8 hours.The frit particles stick agent flow velocity that the present embodiment obtains is 25.8s (30 DEG C, is coated with-4 glasss), and kinematic viscosity value is 85.45mm
2/ s.
Preparation-the embodiment 7 of frit granule agglomerant
Preparation method and the embodiment 1 of the present embodiment are basically identical, and difference is, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: Natvosol (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.) 5.7kg, attapulgite 3.0kg, polymethyl siloxane 1.4kg, Sodium hexametaphosphate 99 1.8kg, surplus is ethylene glycol.
Preparation-embodiment the 7-1 of ornamental brick
(1), prepare the end brick: select white water-intake rate lower than 0.5% finished product adobe do end brick;
(2), end brick stamp;
(3), frit layer: first spray one deck hydrophober on the brick of printed pattern, and then cover upper figuratum frit layer, finally spray last layer frit granule agglomerant (adopting embodiment 7 to obtain) again;
(4), fire: the brick of frit layer on printed flower and covering is put into kiln and fires, surperficial frit fuses into transparent vitreum, and the pattern color below frit presents;
(5) polishing: by the product after burning till directly through polishing machine polishing, throws flat by the frit on surface; Described polishing machine, by using elastic module as polishing abrasive tool polishing, using grinding wipe as polishing abrasive tool polishing and use polished section to carry out polishing successively as polishing abrasive tool polishing, makes product surface present matte effect;
(6) final finished product is obtained after the product after above-mentioned polishing being carried out edging, sorting, packaging;
Here the end brick method needing more than explanation to use, formula are conventional formulation well known in the art, and suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.But also it should be noted that, the clear frit particle that the present embodiment 7-1 selects is sprawled in sintering process, and printed layer is formed ice crystal textured pattern, and frit particle can be bought by colour glaze company and obtain.The present embodiment firing temperature is 995 DEG C, and the time is 2 hours.The frit particles stick agent flow velocity that the present embodiment obtains is 25.6s (30 DEG C, is coated with-4 glasss), and kinematic viscosity value is 85.63mm
2/ s.
In addition, this scheme can also be improved in the following way, namely after stamp, sprays one deck hydrophober, and hydrophober can be avoided, when spraying frit particle fixing agent, after solvent penetration wherein, destroying decalcomania and blank strength.Spraying one deck hydrophober after stamp can head it off preferably, such as in one embodiment of the invention, uses organosilicon as hydrophober, after its spraying, makes the base substrate after spray fusing block particle fixing agent in course of conveying, reduce the loss of 3-5%.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (7)
1. dumb light under glazed throws a production method for glazed brick, and its production method comprises the steps:
(1), prepare the end brick: select white water-intake rate lower than 0.5% finished product adobe do end brick;
(2), end brick stamp;
(3), charity frit layer: first spray one deck hydrophober on the brick of printed pattern, and then cover upper figuratum frit layer, finally spray last layer frit granule agglomerant again;
(4), fire: the brick of frit layer on printed flower and covering is put into kiln and fires, surperficial frit fuses into transparent vitreum, and the pattern color below frit presents;
(5) polishing: by the product after burning till directly through polishing machine polishing, throws flat by the frit on surface; Described polishing machine, by using elastic module as polishing abrasive tool polishing, using grinding wipe as polishing abrasive tool polishing and use polished section to carry out polishing successively as polishing abrasive tool polishing, makes product surface present matte effect;
(6) final finished product is obtained after the product after above-mentioned polishing being carried out edging, sorting, packaging;
Described frit granule agglomerant its by mass percentage, containing, for example lower component: cellulose thickener 5.0-6.0%, attapulgite 2.0-2.8%, defoamer is 1.1-1.4%, and dispersion agent is 1.2-1.8%, and surplus is solvent.
2. dumb light under glazed according to claim 1 throws the production method of glazed brick, it is characterized in that: described cellulose thickener is at least one in Natvosol, hydroxyethylmethyl-cellulose and Vltra tears.
3. dumb light under glazed according to claim 1 throws the production method of glazed brick, it is characterized in that: described dispersion agent is at least one in sodium polyacrylate, organic-silicon-modified sodium phosphate and Sodium hexametaphosphate 99.
4. dumb light under glazed according to claim 1 throws the production method of glazed brick, it is characterized in that: described defoamer is polymethyl siloxane.
5. dumb light under glazed according to claim 1 throws the production method of glazed brick, it is characterized in that: described solvent is at least one in water, ethylene glycol and ethanol.
6. dumb light under glazed according to claim 1 throws the production method of glazed brick, it is characterized in that: be 980-1000 DEG C in step (4) firing temperature, and the time is 1.5-2 hour.
7. dumb light under glazed according to claim 1 throws the production method of glazed brick, it is characterized in that: described hydrophober is organosilicon moisture repellent.
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| CN114956871A (en) * | 2022-06-17 | 2022-08-30 | 江西唯美陶瓷有限公司 | Gray black polished thin rock plate made of double-peak graded glaze and preparation method of glaze |
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| CN114956871A (en) * | 2022-06-17 | 2022-08-30 | 江西唯美陶瓷有限公司 | Gray black polished thin rock plate made of double-peak graded glaze and preparation method of glaze |
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