CN104230394B - A kind of glass-ceramic clad plate production technique - Google Patents
A kind of glass-ceramic clad plate production technique Download PDFInfo
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Abstract
A kind of production technique of glass-ceramic clad plate, its step comprises: the punching press of charity powder forms adobe, form ground glaze layer, then printed layer is formed, first time burns till, cloth frit particle, second time is burnt till, last polishing, edging, inspection, packaging becomes finished product, wherein use frit granule agglomerant as the fixing agent of clear frit particle, 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%, dispersion agent is 1.2-1.8%, surplus is solvent.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.
Description
Technical field
The present invention relates to a kind of building material technical field, particularly relate to a kind of glass-ceramic clad plate production technique.
Background technology
Glass-ceramic clad plate is a kind of high-end decorative building material product, it is with glittering and translucent, elegant and poised, self-sow and the exterior decorative effect changing different imitative bag reason, painted level, superb craftsmanship, and not contaminated, be easy to clean, inherent excellent physical and chemical performance, also there is the weather proofing stronger than stone material, weathering resistance and be subject to the favor of domestic and international high-end building materials market in addition.
In the production process of glass-ceramic clad plate, all be unable to do without frit, but the quality of frit particle directly determines the quality of adobe decorative effect, because glue or methylcellulose gum water are all poor to the stationarity of clear frit, described when firing, collocation is needed to use the frit particle of different-grain diameter, otherwise be difficult to pile up closely, and easily there is the defects such as pin hole, 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, some grain effects in frit layer may be difficult to present because frit is siphoned away by kiln preheating zone negative pressure, and after tiny frit particle is sucked away, outside process grain effect is discontinuous, glass-ceramic layer after burning also has a lot of pin hole, air blister defect.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 being realized, thus reach good bond effect, avoiding the frit particle tiny when burning till to be siphoned away by kiln preheating zone blower fan.So being badly in need of a kind of frit granule agglomerant of research can well fix frit particle bond, reduces the waste of resource.
Summary of the invention
The object of the invention is to solve in the production process of glass-ceramic clad plate, frit particle is easily by problem that kiln preheating zone blower fan siphons away.
For reaching this object, the present invention by the following technical solutions:
A kind of glass-ceramic clad plate production technique, its production technique comprises the steps:
(1), the punching press of charity powder forms adobe;
(2), form ground glaze layer, then form printed layer;
(3), first time burns till;
(4), by frit particle cloth on the greenwave that step (3) is obtained, then at spraying one deck frit granule agglomerant;
(5), second time through kiln high temperature burn till make frit particles fuse, cooling can obtain glass-ceramic clad plate work in-process;
(6), polishing is carried out to glass-ceramic clad plate work in-process, edging, inspection, packaging become finished product;
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, in step (3), firing temperature is 1120-1230 DEG C, and the time is 90-180 minute.
Preferably, described in step (5), firing temperature is 1000-1100 DEG C, and the time is 120-240 minute.
Preferably, the thickness spilling clear frit particle in the greenwave upper berth that step (3) is obtained is 1-4mm.
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.But in prior art, normally Mierocrystalline cellulose is made the aqueous solution (stir for a long time, or dissolve stirring again after first soaking for some time), prepared aqueous solution viscosity is general, there is no good bond effect, in addition, using it as solution, frit particle is poured into wherein, also be difficult to make suspension liquid, and suspension is very poor, easily sink to the bottom layering, the mode of pouring can not be adopted in billet surface charity.
Preparation-the embodiment 1 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.
Attapulgite can allow caking agent have good suspension, and adhesive property also promotes to some extent.
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.
Preparation-embodiment the 1-1 of glass-ceramic clad plate
(1, a kind of glass-ceramic clad plate production technique, its production technique comprises the steps:
(1), the punching press of charity powder forms adobe;
(2), form ground glaze layer, then form printed layer;
(3), for the first time burn till, firing temperature is 1120 degree, 120 minutes time;
(4), will there are 100 order frit particle mixing clothes of ice crystal effect after clear frit particle and burning on the greenwave that step (3) is obtained, then at spraying one deck frit granule agglomerant;
(5), second time through kiln high temperature burn till make frit particles fuse, cooling can obtain glass-ceramic clad plate work in-process; Firing temperature is 1100 DEG C, 150 minutes time;
(6), polishing is carried out to glass-ceramic clad plate work in-process, edging, inspection, packaging become finished product.
It should be noted that at this, the formula of above used ceramic tile body, ground-coat enamel is conventional formulation well known in the art, suitably can select in practice according to processing condition, and this partial content is not inventive point of the present invention.And the clear frit particle that the present embodiment 1-1 selects is sprawled in sintering process, the 100-150 order frit particle after the burning used in addition with ice crystal effect forms the brilliant textured pattern of transparent ice in printed layer, clear frit particle and ice crystal effect frit particle can be bought by colour glaze company and obtain, and the frit particle such as, used in the present embodiment is all purchased from Foshan City three Shui great Hong enamel frit makeing company limited.
Comparative example 1-2
Substantially the same manner as Example 1, be not both after charity frit, in the viscosity aqueous slurry that its surface spraying one deck is mixed with by methylcellulose gum, send in kiln, burn till at 1100 DEG C, edging chamfering, obtain the glass-ceramic clad plate finished product with ice crystal texture, but 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 glass-ceramic clad plate 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 clear 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, provide embodiment 1-1 to use frit granule agglomerant to compare with using the kinematic viscosity value μ of methylcellulose gum aqueous slurry in comparative example 1-2 below, 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 in comparative example 1-2 to be worth 10 times more than by the kinematic viscosity of methylcellulose gum aqueous slurry, 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, also can avoid, because frit particle is sucked away, causing the problems such as decorative effect can not present very well.
Comparative example 1-3
Substantially the same manner as Example 1, be not both after charity frit, at its surface spraying one deck by glue, send in kiln, burn till at 1100 DEG C, edging chamfering, obtain the glass-ceramic clad plate finished product with ice crystal texture, but 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 glass-ceramic clad plate 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 clear 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, provide embodiment 1-1 to use frit granule agglomerant to compare with using the kinematic viscosity value μ of commercially available common caking agent glue in comparative example 1-3 below, 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 in comparative example 1-3 to be worth 10 times more than by the kinematic viscosity of glue, 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 glass-ceramic clad plate
By clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys, fineness 130 order) and cloth burn till in described first time after greenwave on, then the frit granule agglomerant that one deck embodiment 2 is obtained is sprayed, in feeding kiln, 1000 DEG C are burnt till 240 minutes, edging chamfering, obtain having be uniformly distributed, the glass-ceramic clad plate finished product of complete ice crystal texture.The frit particles stick agent flow velocity that present method uses is 25.7s (30 DEG C, be coated with-4 glasss), and kinematic viscosity value is 84.56mm
2/ s.
It should be noted that at this, the formula of above used ceramic tile body, ground-coat enamel is conventional formulation well known in the art, suitably can select in practice according to processing condition, and this partial content is not inventive point of the present invention.And the clear frit particle that the present embodiment 2-1 selects is sprawled in sintering process, the ice crystal effect frit particle used forms the brilliant textured pattern of transparent ice in printed layer, and clear frit particle can be bought by colour glaze company and obtain.The primary firing temperature of the present embodiment is 1150 DEG C, and firing time is 150 minutes; The thickness spilling clear frit particle in the greenwave upper berth that step (3) is obtained is 4mm.
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 glass-ceramic clad plate
By clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys; fineness 170 order) and the 100-150 order frit particle mixing cloth that after burning there is ice crystal effect impose on described first time burn till after greenwave on; then the frit granule agglomerant that one deck embodiment 3 is obtained is sprayed; in feeding kiln, 1070 DEG C are burnt till 170 minutes; edging chamfering, obtain having be uniformly distributed, the glass-ceramic clad plate finished product of complete ice crystal texture.The flow velocity of the frit particles stick agent that present method uses is 25.2s (30 DEG C, be coated with-4 glasss), and kinematic viscosity value is 84.98mm
2/ s.
It should be noted that at this, the formula of above used ceramic tile body, ground-coat enamel is conventional formulation well known in the art, suitably can select in practice according to processing condition, and this partial content is not inventive point of the present invention.And the clear frit particle that the present embodiment 3-1 selects is sprawled in sintering process, the frit particle after burning with ice crystal effect forms the brilliant textured pattern of transparent ice in printed layer, and it is purchased from Foshan City three Shui great Hong enamel frit makeing company limited.The primary firing temperature of the present embodiment is 1220 DEG C, and firing time is 110 minutes; The thickness spilling clear frit particle in the greenwave upper berth that step (3) is obtained is 2mm.
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 glass-ceramic clad plate
By clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys; fineness 150 order) and the 100-150 order frit particle mixing cloth that after burning there is ice crystal effect impose on described first time burn till after greenwave on; then the frit granule agglomerant that one deck embodiment 4 is obtained is sprayed; in feeding kiln, 1060 DEG C are burnt till 210 minutes; edging chamfering, obtain having be uniformly distributed, the glass-ceramic clad plate finished product of complete ice crystal texture.The flow velocity of the frit particles stick agent that present method uses is 26.4s (30 DEG C, be coated with-4 glasss), and kinematic viscosity value is 86.28mm
2/ s.
It should be noted that at this, the formula of above used ceramic tile body, ground-coat enamel is conventional formulation well known in the art, suitably can select in practice according to processing condition, and this partial content is not inventive point of the present invention.And the clear frit particle that the present embodiment 4-1 selects is sprawled in sintering process, the frit particle after burning with ice crystal effect forms the brilliant textured pattern of transparent ice in printed layer, and clear frit particle can be bought by colour glaze company and obtain.The primary firing temperature of the present embodiment is 1150 DEG C, and firing time is 150 minutes; The thickness spilling clear frit particle in the greenwave upper berth that step (3) is obtained is 3mm.
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 glass-ceramic clad plate
By clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys; fineness 140 order) and the 100-150 order frit particle mixing cloth that after burning there is ice crystal effect impose on described first time burn till after greenwave on; then the frit granule agglomerant that one deck embodiment 1 is obtained is sprayed; in feeding kiln, 1040 DEG C are burnt till 220 minutes; edging chamfering, obtain having be uniformly distributed, the glass-ceramic clad plate finished product of complete ice crystal texture.The flow velocity of the frit particles stick agent that present method uses is 26.7s (30 DEG C, be coated with-4 glasss), and kinematic viscosity value is 88.13mm
2/ s.
It should be noted that at this, the formula of above used ceramic tile body, ground-coat enamel is conventional formulation well known in the art, suitably can select in practice according to processing condition, and this partial content is not inventive point of the present invention.And the clear frit particle that the present embodiment 5-1 selects is sprawled in sintering process, the frit particle after burning with ice crystal effect forms the brilliant textured pattern of transparent ice in printed layer, and clear frit particle can be bought by colour glaze company and obtain.The primary firing temperature of the present embodiment is 1170 DEG C, and firing time is 130 minutes; The thickness spilling clear frit particle in the greenwave upper berth that step (3) is obtained is 1mm.
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 glass-ceramic clad plate
By clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys; fineness 200 order) and the 100-150 order frit particle mixing cloth that after burning there is ice crystal effect impose on described first time burn till after greenwave on; then the frit granule agglomerant that one deck embodiment 6 is obtained is sprayed; in feeding kiln, 1090 DEG C are burnt till 140 minutes; edging chamfering, obtain having be uniformly distributed, the glass-ceramic clad plate finished product of complete ice crystal texture.The flow velocity of the glass-ceramic clad plate that present method obtains is 25.8s (30 DEG C, is coated with-4 glasss), and kinematic viscosity value is 85.45mm
2/ s.
It should be noted that at this, the formula of above used ceramic tile body, ground-coat enamel is conventional formulation well known in the art, suitably can select in practice according to processing condition, and this partial content is not inventive point of the present invention.And the clear frit particle that the present embodiment 6-1 selects is sprawled in sintering process, the frit particle after burning with ice crystal effect forms the brilliant textured pattern of transparent ice in printed layer, and clear frit particle can be bought by colour glaze company and obtain.The primary firing temperature of the present embodiment is 1230 DEG C, and firing time is 90 minutes; The thickness spilling clear frit particle in the greenwave upper berth that step (3) is obtained is 3mm.
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.), attapulgite 3.0kg, polymethyl siloxane 1.4kg, Sodium hexametaphosphate 99 1.8kg, surplus is ethylene glycol.
Preparation-embodiment the 7-1 of glass-ceramic clad plate
By clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys; fineness 130 order) and the 100-150 order frit particle mixing cloth that after burning there is ice crystal effect impose on described first time burn till after greenwave on; then the frit granule agglomerant that one deck embodiment 7 is obtained is sprayed; in feeding kiln, 1080 DEG C are burnt till 190 minutes; edging chamfering, obtain having be uniformly distributed, the glass-ceramic clad plate finished product of complete ice crystal texture.The flow velocity of the frit particles stick agent that present method uses is 25.6s (30 DEG C, be coated with-4 glasss), and kinematic viscosity value is 85.63mm
2/ s.
It should be noted that at this, the formula of above used ceramic tile body, ground-coat enamel is conventional formulation well known in the art, suitably can select in practice according to processing condition, and this partial content is not inventive point of the present invention.And the clear frit particle that the present embodiment 7-1 selects is sprawled in sintering process, the frit particle after burning with ice crystal effect forms the brilliant textured pattern of transparent ice in printed layer, and clear frit particle can be bought by colour glaze company and obtain.The primary firing temperature of the present embodiment is 1200 DEG C, and firing time is 100 minutes; The thickness spilling clear frit particle in the greenwave upper berth that step (3) is obtained is 4mm.
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. a glass-ceramic clad plate production technique, its production technique comprises the steps:
(1), the punching press of charity powder forms adobe;
(2), form ground glaze layer, then form printed layer;
(3), first time burns till;
(4), by frit particle cloth on the greenwave that step (3) is obtained, and then one deck frit granule agglomerant is sprayed;
(5), second time through kiln high temperature burn till make frit particles fuse, cooling can obtain glass-ceramic clad plate work in-process;
(6), polishing is carried out to glass-ceramic clad plate work in-process, edging, inspection, packaging become finished product;
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;
Described solvent is ethylene glycol.
2. glass-ceramic clad plate production technique according to claim 1, is characterized in that: described cellulose thickener is at least one in Natvosol, hydroxyethylmethyl-cellulose and Vltra tears.
3. glass-ceramic clad plate production technique according to claim 1, is characterized in that: described dispersion agent is at least one in sodium polyacrylate, organic-silicon-modified sodium phosphate and Sodium hexametaphosphate 99.
4. glass-ceramic clad plate production technique according to claim 1, is characterized in that: described defoamer is polymethyl siloxane.
5. glass-ceramic clad plate production technique according to claim 1, is characterized in that: in step (3), firing temperature is 1120-1230 DEG C, and the time is 90-180 minute.
6. glass-ceramic clad plate production technique according to claim 1, is characterized in that: described in step (5), firing temperature is 1000-1100 DEG C, and the time is 120-240 minute.
7. glass-ceramic clad plate production technique according to claim 1, is characterized in that: the thickness spilling clear frit particle in the greenwave upper berth that step (3) is obtained is 1-4mm.
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| CN102951928A (en) * | 2012-10-16 | 2013-03-06 | 广东道氏技术股份有限公司 | Microcrystal dry grain adhering agent |
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