CN104261680A - Green brick of one-step sintered glass-ceramic composite board - Google Patents
Green brick of one-step sintered glass-ceramic composite board Download PDFInfo
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- CN104261680A CN104261680A CN201410490788.9A CN201410490788A CN104261680A CN 104261680 A CN104261680 A CN 104261680A CN 201410490788 A CN201410490788 A CN 201410490788A CN 104261680 A CN104261680 A CN 104261680A
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Abstract
The invention discloses a green brick of a one-step sintered glass-ceramic composite board. The green brick comprises a green body layer and a glass-ceramic frit layer from bottom to top, wherein a hydrophobic layer is also arranged between the green body layer and the glass-ceramic frit layer; the glass-ceramic frit layer is formed by applying a glass-ceramic frit particle suspension liquid formed by mixing glass-ceramic frit particles and a frit particle binding agent on the surface of the hydrophobic layer; and the frit particle binding agent comprises the following components in percentage by mass: 3.8-4.8% of nonionic polyurethane associative thickener, 1.8-2.4% of attapulgite clay, 0.6-1% of defoaming agent, 0.6-1.6% of dispersing agent and the balance of solvent. By using the green brick, the glass-ceramic frit particles on the surface cannot be taken away by a draught fan at a preheating zone when being sintered, so that the waste is avoided, and the defect rate of glass-ceramic composite board products is reduced; and a hydrophobic agent is used in the scheme, so that the affect of a fixing agent to the strength of a green body can be avoided.
Description
Technical field
The present invention relates to a kind of architectural pottery technical field, particularly relate to a kind of adobe of once-firing crystallite glass composite plate.
Background technology
Since the application of crystallite glass composite plate technology maturation, its Technology development is innovated, and product also due to the decorative effect that it has penetrating crystallite frit particle personalization, becomes the high-grade finishing material on market, deeply likes by consumers in general.
The adobe of the crystallite glass composite plate of once-firing comprises green body layer and glass ceramics frit layer from bottom to top, glass ceramics frit layer is generally by glass ceramics frit granulometric composition, particularly, by repressed for ceramic powder formation adobe, then at surface material distribution one deck glass ceramics frit particle, form glass ceramics frit layer, obtain adobe.Fire sending in kiln above again, when delivering into kiln, can through the preheating zone of a lower negative pressure, some clothes are easily sucked away in the fine microcrystalline glass frit particle of the superiors due to lighter weight, cause disappearance upper layer having many glass ceramics frit particles, it is not high that adobe burns out rear planeness, and have pin hole or dissolution pore to occur, extremely affect quality and the aesthetic property of crystallite glass composite plate, qualified yield rate is not high.And using common caking agent to bond to frit particle, the solvent in caking agent inevitably penetrates in base substrate.For once burning product, be charity frit particle before the firing, in the unsintered situation of base substrate, more solvent infiltrates wherein can cause moulded pottery not yet put in a kiln to bake weaken, and in course of conveying, loss is high, and after firing, buckling deformation defect is also more.
The preparation method once grilling thoroughly bright crystallite glass composite plate of prior art, comprises the following steps:
A, base substrate impact briquetting: after base substrate powder (fineness is 150 degree) and micro powder material (fineness is 150 degree) layer-by-layer distribution, strike out the biscuit with end base layer and micro mist layer, wherein the thickness of micro mist layer is 1/2 of end base layer thickness, dry;
B, execute glass ceramics frit: (bought from Quincy's Caro than glaze company by the glass ceramics frit particle of the 375kg silvery white ice crystal effect of same embodiment 1-1, fineness 70 order) add in the glue of 125kg, mix, obtain glass ceramics frit particle suspension liquid, glass ceramics frit particle solid content 75%, flow velocity is 30.4s (30 DEG C, be coated with-4 glasss), there is demixing phenomenon after placing 5 days in suspension, does not have satisfactory stability, needs stirring and evenly mixing again before using.Drenched on green body layer surface in the mode of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid, the thickness controlling glass ceramics frit particle suspension liquid is 2mm;
C, to burn till: send into kiln kiln roasting, firing temperature is 1200 DEG C, firing period 110min;
D, rubbing down are processed: the goods burning till rear cooling are obtained transparent glass-ceramics composition board finished product through the processing of polishing edging, and finished bricks face occurs pin hole, is combined in two panels ceramic tile front during sampling observation, and occasional occurs that the phenomenon in space can be seen in both sides.
Comparative example 1-4
The preparation method once grilling thoroughly bright crystallite glass composite plate of prior art, comprises the following steps:
A, base substrate impact briquetting: after base substrate powder (fineness is 150 degree) and micro powder material (fineness is 150 degree) layer-by-layer distribution, strike out the biscuit with end base layer and micro mist layer, wherein the thickness of micro mist layer is 1/2 of end base layer thickness, dry;
B, sprinkling hydrophober: spray one deck modified polyvinyl alcohol hydrophober (buying from Jinan Yue Kai Chemical Co., Ltd.) in billet surface;
C, execute glass ceramics frit: (bought from Quincy's Caro than glaze company by the glass ceramics frit particle of the 375kg silvery white ice crystal effect of same embodiment 1-1, fineness 70 order) add in the glue of 125kg, mix, obtain glass ceramics frit particle suspension liquid, glass ceramics frit particle solid content 75%, flow velocity is 30.4s (30 DEG C, be coated with-4 glasss), there is demixing phenomenon after placing 5 days in suspension, does not have satisfactory stability, needs stirring and evenly mixing again before using.Drenched on water-repellent layer surface in the mode of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid, the thickness controlling glass ceramics frit particle suspension liquid is 2mm;
D, to burn till: send into kiln kiln roasting, firing temperature is 1200 DEG C, firing period 110min;
E, rubbing down are processed: the goods burning till rear cooling are obtained transparent glass-ceramics composition board finished product through the processing of polishing edging, and finished bricks face occurs pin hole, is combined in two panels ceramic tile front during sampling observation, and occasional occurs that the phenomenon in space can be seen in both sides.
Whether the difference of comparative example 1-3 and comparative example 1-4 sprays hydrophober, the same with the principle effect of the hydrophober told about before, the green strength of comparative example 1-4 is guaranteed, fracture is less likely to occur in the process being transported to kiln, yield rate can be improved, guarantee adobe water ratio, be not easy to crack.
The frit granule agglomerant used in embodiment group 1 is carried out viscosity test, the results are shown in following 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.
The viscosity of the frit granule agglomerant used in table 1 embodiment 1-1 and comparative example 1-3 contrasts
| Numbering | Flow velocity/s | Kinematic viscosity value/(mm 2/s) | Place phenomenon after 5 days |
| Embodiment 1-1 | 45.3 | 176.23 | Occur without layering |
| Comparative example 1-3 | 28.4 | 100.45 | There is layering |
Comparative example 1-5
The preparation method once grilling thoroughly bright crystallite glass composite plate of prior art, comprises the following steps:
A, base substrate impact briquetting: after base substrate powder (fineness is 150 degree) and micro powder material (fineness is 150 degree) layer-by-layer distribution, strike out the biscuit with end base layer and micro mist layer, wherein the thickness of micro mist layer is 1/2 of end base layer thickness, dry;
B, execute glass ceramics frit: the glass ceramics frit dispensing silvery white ice crystal effect in the billet surface of step B, dispensing the thickness that silver has a glass ceramics frit of white ice crystal effect is 2mm;
C, to burn till: send into kiln kiln roasting, firing temperature is 1200 DEG C, firing period 110min;
D, rubbing down are processed: the goods burning till rear cooling are obtained crystallite glass composite plate finished product through the processing of polishing edging, finished bricks face occurs pin hole, during sampling observation, is combined in two panels ceramic tile front, finished product substantially both sides can be seen space or centre and can see light, does not have good planeness.
From embodiment 1-2, the use of firing the visible frit granule agglomerant of finished product of comparative example 1-3 and comparative example 1-5 is the key factor improving finished product planeness, prior art adopts the viscosity aqueous slurry that is mixed with by Xylo-Mucine to play cohesive action frit granule agglomerant as used in the present invention as the binding agent of glass ceramics frit particle to glass ceramics frit particle, the suction of glass ceramics frit granular layer when kiln is sent in adobe by preheating zone lower negative pressure affects, portions microcrystalline glass frit particle is sucked away, the thickness of glass ceramics frit granular layer is therefore uneven, have influence on the planeness of finished product, easily there is epirelief or recessed phenomenon in the finished product fired.
Summary of the invention
The object of the invention is to propose the high and adobe of the once-firing crystallite glass composite plate that planeness is high of a kind of qualified yield rate.
For reaching this object, the present invention by the following technical solutions:
A kind of adobe of once-firing crystallite glass composite plate, described adobe comprises green body layer and glass ceramics frit layer from bottom to top, also be provided with water-repellent layer between described green body layer and described glass ceramics frit layer, described glass ceramics frit layer is that the crystallite frit particle suspension liquid be mixed into by glass ceramics frit particle and frit granule agglomerant imposes on water-repellent layer surface and formed;
Described frit granule agglomerant comprises the massfraction of following component: non-ionic polyurethane associative thickener 3.8-4.8%, attapulgite clay 1.8-2.4%, defoamer 0.6-1%, dispersion agent 0.6-1.6%, and surplus is solvent.
Preferably, described water-repellent layer is one deck hydrophober in described green body layer surface sprinkling, and described hydrophober is modified polyvinyl alcohol hydrophober.
Preferably, the granular size of described glass ceramics frit is 70-110 order.
Preferably, described crystallite frit particle suspension liquid adopts and drenches the surface that glaze mode imposes on water-repellent layer.
Preferably, the thickness of glass ceramics frit layer is 1-4mm.
Preferably, the solid content of described crystallite frit particle suspension liquid is no less than 65%.
Preferably, described solvent is at least one in water, diethylene glycol ether.
Preferably, described defoamer is polyether-type GPE defoamer.
Preferably, described dispersion agent is at least one in tripoly phosphate sodium STPP, sodium polyacrylate.
The preparation method of above-mentioned once-firing crystallite glass composite plate, comprises the following steps:
A, base substrate impact briquetting: after selecting the base substrate powder of well-known formulations and granularity≤200 object micro mist layer powder to be divided into cloth, strike out biscuit;
B, sprinkling hydrophober: spray one deck hydrophober in billet surface;
C, spray one deck glass ceramics frit particle suspension liquid: spray one deck glass ceramics frit particle suspension liquid in the billet surface of step B, described glass ceramics frit particle suspension liquid is mixed by glass ceramics frit and polyurethanes binding agent, described polyurethanes binding agent carrys out proportioning by the massfraction of following component: non-ionic polyurethane associative thickener 3.8-4.8%, attapulgite clay 1.8-2.4%, defoamer 0.6-1%, dispersion agent 0.6-1.6%, surplus is solvent;
D, to burn till: send into kiln kiln roasting, firing temperature is 1150-1250 DEG C;
E, rubbing down are processed: the goods burning till rear cooling are obtained crystallite glass composite plate finished product through the processing of polishing edging.
Beneficial effect of the present invention: 1, solve frit particle when entering klining in the face of the problem that the preheating zone of lower negative pressure is easily sucked away, avoid brick surface to occur the flaw such as a large amount of pin holes and bubble, yield rate is high; 2, the fixing agent used can use under neutral environment, and not metal ion, impact is not existed to the color effects that frit particle produces when sintering.
Accompanying drawing explanation
Fig. 1 is the preparation flow schematic diagram of the blank structure of one embodiment of the present of invention;
Fig. 2 is the structural representation of the crystallite glass composite plate burnt till of one embodiment of the present of invention.
Wherein: green body layer 1, water-repellent layer 2, glass ceramics frit particle suspension liquid 3, glass-ceramic layer 4.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Adopt the raw ores such as feldspar, clay, kaolin to prepare burden in proportion, through ball milling, deironing, mist projection granulating, sieve, obtain base substrate powder.The chemical composition of the base substrate powder formulation adopted in the embodiment of the present invention is (wt%): SiO2:70%, Al2O3:21%, CaO:1%, MgO:2%, K2O:2%, Na2O:3%, Fe2O3:0.5%, TiO2:0.5%.The chemical composition of the micro mist formula adopted is (wt%): be SiO2:68%, Al2O3:18%, Na2O:6%, K2O:5%, TiO2:0.4%, CaO:0.6%, MgO:2%, ball milling granulation is sieved, and obtains micro mist material.It should be noted that, the recipe ingredient of base substrate powder given here and micro mist can be replaced by other recipe ingredient in common practise, is all applicable in the preparation method of once-firing crystallite glass composite plate of the present invention.
The contrast of embodiment group 1-and prior art
The chemical composition of the formula of the transparent glass-ceramics frit adopted is (wt%): SiO2:63%, Al2O3:10%, Na2O:1.5%, K2O:5%, CaO:3%, MgO:0.2%, ZrO2:0.5%, B2O3:14%, BaO:2.8%, modulate transparent glass-ceramics frit by common practise, cross 70 mesh sieves, get lower part of screen and divide the transparent glass-ceramics frit doing embodiment group 1 and use for subsequent use.
The component of every 100kg frit granule agglomerant that embodiment group 1 uses: non-ionic polyurethane associative thickener (Nae Woi Korea., Ltd. company, model HIRESOL85) 4.3kg, attapulgite clay 2.0kg, polyether-type GPE defoamer (buying from Hangzhou Fei Er chemical industry company limited) 0.8kg, sodium polyacrylate 0.6g, surplus is water.
The preparation method of above-mentioned frit granule agglomerant, comprises the following steps: 1) by soluble in water for non-ionic polyurethane associative thickener, stir; 2) add attapulgite clay, stir; 3) add polyether-type GPE defoamer and sodium polyacrylate, stir and obtain frit granule agglomerant, survey its flow velocity be 25.4s (30 DEG C, be coated with-4 glasss).It should be noted that, water can use diethylene glycol ether to replace as solvent, and sodium polyacrylate can use tripoly phosphate sodium STPP to replace as dispersion agent and also can realize this programme.
Embodiment 1-1
Once grill thoroughly a preparation method for bright crystallite glass composite plate, comprise the following steps:
A, base substrate impact briquetting: after base substrate powder (fineness is 150 degree) and micro powder material (fineness is 150 degree) layer-by-layer distribution, strike out the biscuit with end base layer and micro mist layer, wherein the thickness of micro mist layer is 1/2 of end base layer thickness, dry;
B, sprinkling one deck water-repellent layer: spray one deck modified polyvinyl alcohol hydrophober (buying from Jinan Yue Kai Chemical Co., Ltd.) in billet surface;
C, execute glass ceramics frit particle suspension liquid: (bought from Quincy's Caro than glaze company by the glass ceramics frit particle of 375kg silvery white ice crystal effect, fineness 70 order) add in the frit granule agglomerant of the obtained 125kg of embodiment group 1, mix, obtain glass ceramics frit particle suspension liquid, glass ceramics frit particle solid content 75%, without visible bubble in bubble, flow velocity is 45.3s (30 DEG C, be coated with-4 glasss), suspension is placed after 5 days still without demixing phenomenon, still there is satisfactory stability after visible frit granule agglomerant of the present invention and glass ceramics frit particle mix.Drenched on water-repellent layer surface in the mode of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid, the thickness controlling glass ceramics frit particle suspension liquid is 2mm;
As Fig. 1, the adobe obtained through steps A, B, C comprises green body layer 1, water-repellent layer 2, and glass ceramics frit particle suspension liquid layer 3, enters firing process.
D, to burn till: send into kiln kiln roasting, firing temperature is 1200 DEG C, firing period 110min, and the crystallite glass composite plate with green body layer 1 and glass-ceramic layer 2 burnt till as shown in Figure 2 goes out finished product.
E, rubbing down are processed: the goods burning till rear cooling are obtained transparent glass-ceramics composition board finished product through the processing of polishing edging, the silvery white ice crystal decorative pattern reason formed has continuity and integrity, without macroscopic bubble and pin hole, the yield rate of visible crystallite glass composite plate of the present invention is high.Be combined in two panels ceramic tile front, what brick face was good is merged closely, and therefore finished product planarization is good, and surface is without the visible pin hole of naked eyes.It should be noted that, water can use diethylene glycol ether to replace as solvent, and sodium polyacrylate can use tripoly phosphate sodium STPP to replace as dispersion agent and also can realize this programme.It should be noted that, the glass ceramics frit particle of the silvery white ice crystal effect that the present embodiment 1-1 selects is sprawled in sintering process, cover coat is formed the effect of silvery white ice crystal flower, glass ceramics frit particle can be bought by colour glaze company and obtain, and similar frit product also can realize this programme.
Embodiment 1-2
Once grill thoroughly a preparation method for bright crystallite glass composite plate, comprise the following steps:
A, base substrate impact briquetting: after base substrate powder (fineness is 150 degree) and micro powder material (fineness is 150 degree) layer-by-layer distribution, strike out the biscuit with end base layer and micro mist layer, wherein the thickness of micro mist layer is 1/2 of end base layer thickness, dry;
B, execute glass ceramics frit: (bought from Quincy's Caro than glaze company by the glass ceramics frit particle of 375kg silvery white ice crystal effect; fineness 70 order) add in the frit granule agglomerant of the obtained 125kg of embodiment group 1; mix; obtain glass ceramics frit particle suspension liquid; glass ceramics frit particle solid content 84%; without visible bubble in bubble; flow velocity is 45.3s (30 DEG C; be coated with-4 glasss); suspension is placed still without demixing phenomenon after 5 days, still has satisfactory stability after visible frit granule agglomerant of the present invention and glass ceramics frit particle mix.Drenched on water-repellent layer surface in the mode of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid, the thickness controlling glass ceramics frit particle suspension liquid is 2mm;
The component of every 100kg frit granule agglomerant: non-ionic polyurethane associative thickener (Nae Woi Korea., Ltd. company, model HIRESOL85) 4.3kg, attapulgite clay 2.0kg, polyether-type GPE defoamer (buying from Hangzhou Fei Er chemical industry company limited) 0.8kg, sodium polyacrylate 0.6g, surplus is water;
C, to burn till: send into kiln kiln roasting, firing temperature is 1200 DEG C, firing period 110min;
D, rubbing down are processed: the goods burning till rear cooling are obtained transparent glass-ceramics composition board finished product through the processing of polishing edging, is combined in two panels ceramic tile front, what brick face was good is merged closely, and therefore finished product planarization is good, and surface is without the visible pin hole of naked eyes.
Embodiment 1-1 is observed roughly the same in the effect of brick face with the product of embodiment 1-2 from naked eyes, but it is mentioned that in process of production, the adobe of embodiment 1-2 is when step B executes glass ceramics frit layer, glass ceramics frit particle suspension liquid portion of water infiltrates in frit particle and penetrates in powder layer that biscuit suppresses, have impact on the intensity of green compact, adobe water ratio is improved, easily crack, when being transported to kiln, adobe is easily ruptured, reduce production efficiency, and embodiment 1-1 first can spray one deck hydrophober in billet surface before executing glass ceramics frit suspension, be seeped into rapidly the base substrate suppressed inner, and produce with its inside the hinge that dewaters, reaction is conjunctiva also, form reaction tension force, the generation of this tension force makes object form together i.e. ventilative but also hydrophobic, the lotus leaf hydrophobic effect interface protective layer of waterproof, the moisture of glass ceramics frit particle suspension liquid can not be absorbed by base substrate, thus ensure that the intensity of green compact, be less likely to occur fracture when carrying or occur crackle.Visible, the use of hydrophober is the committed step improving yield rate.
Comparative example 1-3
Embodiment 2
Once grill thoroughly a preparation method for bright crystallite glass composite plate, comprise the following steps:
A, base substrate impact briquetting: after base substrate powder (fineness is 70 degree) and micro powder material (fineness is 100 degree) layer-by-layer distribution, strike out the biscuit with end base layer and micro mist layer, wherein the thickness of micro mist layer is 1/3 of end base layer thickness, dry;
B, sprinkling hydrophober: spray one deck modified polyvinyl alcohol hydrophober (buying from Jinan Yue Kai Chemical Co., Ltd.) in billet surface;
C, execute glass ceramics frit: (bought from Quincy's Caro than glaze company by 375kg transparent glass-ceramics frit particle; fineness 70 order) add in the frit granule agglomerant of the obtained 125kg of embodiment group 1; mix; obtain glass ceramics frit particle suspension liquid; glass ceramics frit particle solid content 84%; without visible bubble in bubble; flow velocity is 45.3s (30 DEG C; be coated with-4 glasss); suspension is placed still without demixing phenomenon after 5 days, still has satisfactory stability after visible frit granule agglomerant of the present invention and glass ceramics frit particle mix.Drenched on water-repellent layer surface in the mode of drenching glaze by above-mentioned glass ceramics frit particle suspension liquid, the thickness controlling glass ceramics frit particle suspension liquid is 4mm;
The component of every 100kg frit granule agglomerant: non-ionic polyurethane associative thickener (Nae Woi Korea., Ltd. company, model HIRESOL85) 4.3kg, attapulgite clay 2.0kg, polyether-type GPE defoamer (buying from Hangzhou Fei Er chemical industry company limited) 0.8kg, sodium polyacrylate 0.6kg, surplus is water;
D, to burn till: send into kiln kiln roasting, firing temperature is 1250 DEG C, firing period 90min;
E, rubbing down are processed: the goods burning till rear cooling are obtained transparent glass-ceramics composition board finished product through the processing of polishing edging, two panels ceramic tile front is combined, what brick face was good is merged closely, and therefore finished product has good planarization, and surface is without macroscopic pin hole.
Embodiment group 3-attapulgite clay content is to the viscosity of polyurethanes binding agent
Preparation-the embodiment 3 of frit granule agglomerant
The component of every 100kg frit granule agglomerant: non-ionic polyurethane associative thickener (Nae Woi Korea., Ltd. company, model HIRESOL85) 4kg, attapulgite clay content according to the form below 2 adds, polyether-type GPE defoamer (buying from Hangzhou Fei Er chemical industry company limited) 1kg, tripoly phosphate sodium STPP 1.6kg, surplus is water.The preparation method of above-mentioned polyurethanes binding agent, comprises the following steps: 1) by soluble in water for non-ionic polyurethane associative thickener, stir; 2) add attapulgite clay, mix evenly; 3) add polyether-type GPE defoamer and tripoly phosphate sodium STPP, stir and obtain frit granule agglomerant.
The frit particle of green for 375kg ice crystal effect (is bought from Quincy's Caro than glaze company, fineness 100 order) add in the frit granule agglomerant of the obtained 125kg of embodiment 3, mix, obtain frit particle suspension liquid, frit particle solid content 75%, without visible bubble in bubble, place 5 days, flow velocity and demixing phenomenon are in table 2.
Embodiment 3-00
The frit particle of green for 375kg ice crystal effect (is bought from Quincy's Caro than glaze company, fineness 100 order) add in the viscosity aqueous slurry that 125kg is mixed with by Xylo-Mucine, mix, obtain frit particle suspension liquid, frit particle solid content 75%, place 5 days, flow velocity and demixing phenomenon are in table 2.
Table 2 attapulgite clay content is on the impact of the demixing phenomenon of suspension
Its viscosity number of viscosity aqueous slurry that Xylo-Mucine can be used to be mixed with from table 2 is not high; glass ceramics frit particle can not be effectively avoided to be siphoned away by lower negative pressure; and there is bubble phenomenon, the suspension after mixing with glass ceramics frit particle can not long storage time.In addition, the addition of attapulgite clay makes the thickening efficiency of suspension improve, attapulgite clay has good thixotropic property, can effectively prevent frit particles sink, in conjunction with the use of non-ionic polyurethane associative thickener, increase its thickening effectiveness, make frit granule agglomerant have satisfactory stability under normal conditions.
Embodiment group 4-attapulgite clay content is to the viscosity of binding agent
The component of every 100kg frit granule agglomerant: non-ionic polyurethane associative thickener (Nae Woi Korea., Ltd. company, model HIRESOL85) 4.3kg, attapulgite clay content according to the form below 3 adds, polyether-type GPE defoamer (buying from Hangzhou Fei Er chemical industry company limited) 0.6kg, tripoly phosphate sodium STPP 1.2kg, surplus is diethylene glycol ether.
The preparation method of above-mentioned frit granule agglomerant, comprises the following steps: 1) be dissolved in diethylene glycol ether by non-ionic polyurethane associative thickener, stir; 2) add attapulgite clay, mix evenly; 3) add polyether-type GPE defoamer and tripoly phosphate sodium STPP, stir and obtain frit granule agglomerant.
Table 3 attapulgite clay addition is on the impact of the flow velocity of frit granule agglomerant
Can obtain from table 3, along with the increase of attapulgite clay addition, the flow velocity of frit granule agglomerant is larger, but when attapulgite clay addition arrives a certain amount of, reduces on the contrary the thickening adhesive effect of liquid.Because glass ceramics frit particle and frit granule agglomerant mix together, the flow velocity adding the suspension that membership makes to be mixed to form of glass ceramics frit increases greatly, and glaze pouring requires that adding glass ceramics frit particle mixes rear flow velocity lower than 50s (30 DEG C with binding agent, be coated with-4 glasss), in order to avoid the flow velocity adding the suspension after glass ceramics frit particle is too high, in the frit granule agglomerant of every 100kg, the composition of attapulgite clay is preferably about 2.0kg.
In addition, the addition of attapulgite clay is also unsuitable excessive, otherwise can affect the decorative effect of frit, and particularly affect comparatively large on transparency and surface effect, therefore attapulgite clay addition is advisable to be no more than 2.4%.
Non-ionic polyurethane associative thickener, due to the thickening mechanism of uniqueness, has the thinning effect of good high-shear and levelling effect, so start the status replacing traditional thickening material gradually.Non-ionic polyurethane associative thickener, attapulgite clay 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 to need in Building Ceramics Industry to be fixed with in bonding operation to frit particle, insensitive to PH, so do not limit by PH.
Embodiment group 5-non-ionic polyurethane associative thickener addition is on the impact of frit granule agglomerant
The component of every 100kg frit granule agglomerant: non-ionic polyurethane associative thickener (Nae Woi Korea., Ltd. company, model HIRESOL85) content according to the form below 4 adds, attapulgite clay 2.0kg, polyether-type GPE defoamer (buying from Hangzhou Fei Er chemical industry company limited) 1kg, tripoly phosphate sodium STPP 1.6kg, surplus is diethylene glycol ether.The preparation method of above-mentioned frit granule agglomerant, comprises the following steps: 1) be dissolved in diethylene glycol ether by non-ionic polyurethane associative thickener, stir; 2) add attapulgite clay, mix evenly; 3) add polyether-type GPE defoamer and tripoly phosphate sodium STPP, stir and obtain frit granule agglomerant.
Glass ceramics frit particle 350kg with oyster white ice crystal effect (is bought from Quincy's Caro than glaze company, fineness 110 order) add in the frit granule agglomerant of the obtained 150kg of embodiment group 4, mix, obtain glass ceramics frit particle suspension liquid, glass ceramics frit particle solid content 70%, without visible bubble in bubble, place 5 days, flow velocity and demixing phenomenon are in table 4.
Table 4 non-ionic polyurethane associative thickener adds quantifier elimination
The addition that can obtain non-ionic polyurethane associative thickener from table 4 makes suspension play the essential substance of thickening power, measure its pH value of above-described embodiment 5-0 ~ embodiment 5-6 about 7, can use under neutral environment, and in bonding for glass ceramics frit particle, due to not metal ion, when playing the bonding of glass ceramics frit particle on brick face, impact is not existed to the color effects that glass ceramics frit particle produces when sintering, the problem that the preheating zone simultaneously also solving glass ceramics frit particle lower negative pressure faced by when entering klining is easily sucked away.The interpolation of polyether-type GPE defoamer can component materials mixing each according to binding agent time, occur in mixed solution bubble number add, bubbling many then needs the content increasing defoamer.
It should be noted that, embodiment given here is optimal way, and only need do suitability adjustment in other component or firing process, this is that those skilled in the art can reference work experience suitably adjust.
The frit granule agglomerant of embodiment group 6-different viscosity is on the impact of crystallite glass composite plate
Once burn a preparation method with the crystallite glass composite plate of ice crystal effect, comprise the following steps:
A, base substrate impact briquetting: after base substrate powder (fineness is 120 degree) and micro powder material (fineness is 120 degree) layer-by-layer distribution, strike out the biscuit with end base layer and micro mist layer, wherein the thickness of micro mist layer is 1/2 of end base layer thickness, dry;
B, sprinkling hydrophober: spray one deck modified polyvinyl alcohol hydrophober (buying from Jinan Yue Kai Chemical Co., Ltd.) in billet surface;
C, execute glass ceramics frit: glass ceramics frit particle 350kg with oyster white ice crystal effect (is bought from Quincy's Caro than glaze company, fineness 110 order) add in the frit granule agglomerant of following obtained 150kg, mix, obtain glass ceramics frit particle suspension liquid, glass ceramics frit particle solid content 70%, frit granule agglomerant uses by the frit granule agglomerant of different viscosity obtained in embodiment group 6 associative list 5 respectively, the impact of frit granule agglomerant on crystallite glass composite plate of different viscosity the results are shown in Table 4, glass ceramics frit layer thickness is 1mm,
The component of every 100kg frit granule agglomerant: non-ionic polyurethane associative thickener (Nae Woi Korea., Ltd. company, model HIRESOL85) content according to the form below 5 adds, attapulgite clay 2.0kg, polyether-type GPE defoamer (buying from Hangzhou Fei Er chemical industry company limited) 1kg, tripoly phosphate sodium STPP 1.6kg, surplus is water;
D, to burn till: send into kiln kiln roasting, firing temperature is 1150 DEG C, firing period 120min;
E, rubbing down are processed: the goods burning till rear cooling are obtained transparent glass-ceramics composition board finished product through the processing of polishing edging.
The frit granule agglomerant of table 5 different viscosity is on the impact of crystallite glass composite plate
Can obtain from table 5, be 70 object glass ceramics frit particles for fineness, the viscosity number of frit granule agglomerant is at 45mm
2/ more than s can make glass ceramics frit particle good be fixed on biscuit surface, it should be noted that, the glass ceramics frit particle of other fineness sizes can repeat above-mentioned test according to the frit particle replacing different fineness size, obtain the kinematic viscosity value scope of optimum frit granule agglomerant, those skilled in the art can suitably adjust.
To sum up need the last point illustrated, embodiment given here is optimal way, and only need do suitability adjustment in other component or firing process, this is that those skilled in the art can reference work experience suitably adjust.
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 (8)
1. the adobe of an once-firing crystallite glass composite plate, described adobe comprises green body layer and glass ceramics frit layer from bottom to top, it is characterized in that: be also provided with water-repellent layer between described green body layer and described glass ceramics frit layer, described glass ceramics frit layer is that the crystallite frit particle suspension liquid be mixed into by glass ceramics frit particle and frit granule agglomerant imposes on water-repellent layer surface and formed;
Described frit granule agglomerant comprises the massfraction of following component: non-ionic polyurethane associative thickener 3.8-4.8%, attapulgite clay 1.8-2.4%, defoamer 0.6-1%, dispersion agent 0.6-1.6%, and surplus is solvent.
2. the adobe of once-firing crystallite glass composite plate according to claim 1, is characterized in that: described water-repellent layer is one deck hydrophober in described green body layer surface sprinkling, and described hydrophober is modified polyvinyl alcohol hydrophober.
3. the adobe of once-firing crystallite glass composite plate according to claim 1, is characterized in that: the granular size of described glass ceramics frit is 70-110 order.
4. the adobe of once-firing crystallite glass composite plate according to claim 1, is characterized in that: described crystallite frit particle suspension liquid adopts and drenches the surface that glaze mode imposes on water-repellent layer.
5. the adobe of once-firing crystallite glass composite plate according to claim 1, is characterized in that: the solid content of described crystallite frit particle suspension liquid is no less than 65%.
6. the adobe of once-firing crystallite glass composite plate according to claim 1, is characterized in that: described solvent is at least one in water, diethylene glycol ether.
7. the adobe of once-firing crystallite glass composite plate according to claim 1, is characterized in that: described defoamer is polyether-type GPE defoamer.
8. the adobe of once-firing crystallite glass composite plate according to claim 1, is characterized in that: described dispersion agent is at least one in tripoly phosphate sodium STPP, sodium polyacrylate.
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| CN113336479A (en) * | 2021-05-21 | 2021-09-03 | 景德镇陶瓷大学 | Cordierite-based microcrystalline glass high-temperature binder and preparation method and application thereof |
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| CN101177346A (en) * | 2006-11-10 | 2008-05-14 | 叶荣恒 | Production process of novel multiple crystallization combined glass-ceramic clad plate |
| CN102390931A (en) * | 2011-08-02 | 2012-03-28 | 佛山石湾鹰牌陶瓷有限公司 | Method for manufacturing once calcined glass ceramic brick |
| 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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| CN101177346A (en) * | 2006-11-10 | 2008-05-14 | 叶荣恒 | Production process of novel multiple crystallization combined glass-ceramic clad plate |
| CN102390931A (en) * | 2011-08-02 | 2012-03-28 | 佛山石湾鹰牌陶瓷有限公司 | Method for manufacturing once calcined glass ceramic brick |
| 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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| CN113336479A (en) * | 2021-05-21 | 2021-09-03 | 景德镇陶瓷大学 | Cordierite-based microcrystalline glass high-temperature binder and preparation method and application thereof |
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