CN104261883B - A kind of preparation method of once-firing crystallite glass composite plate - Google Patents
A kind of preparation method of once-firing crystallite glass composite plate Download PDFInfo
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Abstract
A preparation method for once-firing crystallite glass composite plate, comprises the following steps: A, base substrate impact briquetting; B, glazing stamp; C, spray one deck glass ceramics frit suspension: spray one deck glass ceramics frit suspension in the billet surface of step B, described glass ceramics frit suspension 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 6.5-7.5%, white carbon black 3.2-4.4%, defoamer 1-1.5%, dispersion agent 0.3-1.3%, surplus is solvent; D, to burn till: send into kiln kiln roasting, firing temperature is 1200-1300 DEG C; The processing of E, rubbing down obtains crystallite glass composite plate finished product.The detrimentally affect that present method can avoid the adsorption of kiln preheating zone to glass ceramics frit to cause, improves product yield.
Description
Technical field
The present invention relates to a kind of architectural pottery technical field, particularly relate to a kind of preparation method of once-firing crystallite glass composite plate.
Background technology
Crystallite glass composite plate is composite board one deck devitrified glass being compounded in earthenware brick surface, because its surface is glass-ceramic layer, so completely antifouling, and maintenance convenient for cleaning.At present, glass ceramics frit mainly covers certain thickness glass ceramics frit (granular size is at 15-150 order) by distributing mode in billet surface or glaze paint upper berth, and spray a layer binder particle is fixed on billet surface, burn till and rear glaze paint to be reprocessed, the quality of glass ceramics frit directly determines the quality of adobe planeness and adobe decorative effect, the binding agent used in prior art is that common glue mixes by a certain percentage with water, at its surface spraying one deck glue binding agent after the good glass ceramics frit of adobe cloth.But aborning, it is under the environment being in lower negative pressure that the adobe that cloth is good will send into preheating zone in kiln, fine particle (being especially less than 100 orders) is because lighter weight is easily sucked away, and the glue binding agent overlaying on surface can not play good bonding fixed action to glass ceramics frit particle.Therefore, if binding agent can play good bonding fixed action to glass ceramics frit particle, then can improve the formation in finished product devitrified glass face greatly, also can reduce the glass ceramics frit particle be sucked away simultaneously, reduce the waste of resource.
Summary of the invention
The object of the invention is to propose a kind of preparation method improving the once-firing crystallite glass composite plate of once-firing crystallite glass composite plate brick surface evenness.
For reaching this object, the present invention by the following technical solutions:
A preparation method for 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 layer-by-layer distribution, strike out biscuit;
B, glazing stamp: after the biscuit drying of steps A, cleaning billet surface, spray ground-coat enamel, carries out stamp by the mode of one or more combinations in ink-jet printed, rotary printing, screen printing;
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 6.5-7.5%, white carbon black 3.2-4.4%, defoamer 1-1.5%, dispersion agent 0.3-1.3%, surplus is solvent;
D, to burn till: send into kiln kiln roasting, firing temperature is 1200-1300 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.
Preferably, in step D, firing period is 70-90min.
Preferably, the solid content of the glass ceramics frit particle of the particle suspension liquid of glass ceramics frit described in step C is no less than 65%.
Preferably, the defoamer added in the binding agent of polyurethanes described in step C is polyether-type GPE defoamer.
Preferably, the dispersion agent added in the binding agent of polyurethanes described in step C is at least one in tripoly phosphate sodium STPP, sodium polyacrylate.
Preferably, the solvent of the binding agent of polyurethanes described in step C is at least one in ethanol, diethylene glycol ether or both aqueous solution.
Preferably, the granular size of described glass ceramics frit is 60-90 order.
Preferably, the preparation method of described polyurethanes binding agent, comprises the following steps: 1) be dissolved in partial solvent by white carbon black, stir; 2) add non-ionic polyurethane associative thickener and remaining solvent, mix evenly; 3) add defoamer and dispersion agent, stir and obtain frit granule agglomerant.
Preferably, the unfired brick structure of described crystallite glass composite plate comprises green body layer, ground glaze layer and glass ceramics frit layer from bottom to top, between the glass-ceramic layer that the dilation coefficient of described ground glaze layer is formed after described green body layer and described glass ceramics frit melting.
Beneficial effect of the present invention: the planeness 1, improving finished bricks face, makes the qualified yield rate of once-firing crystallite glass composite plate improve; 2, the problem that the preheating zone solving frit particle lower negative pressure faced by when entering klining is easily sucked away, avoids brick surface to occur the flaw such as a large amount of pin holes and bubble; 3, the binding 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, ground glaze layer 2, glass ceramics frit layer 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.
The preparation of ground-coat enamel: be less than 100 object kaolin, quartz, potassium felspar sand, albite, calcite, talcum, rhombspar, zinc oxide, zirconium English powder as ground-coat enamel raw material using thickness, add tripoly phosphate sodium STPP, 0.3% methylcellulose gum of suitable quantity of water and 0.5%, entering ball mill ball milling becomes chemical composition to be SiO2:50%, Al2O3:20%, CaO:9%, MgO:2%, K2O:2%, Na2O:3%, ZnO:4%, ZrO2:10%, fineness be 10000-hole sieve more than 0.5% pulpous state ground-coat enamel stand-by.
It should be noted that, the recipe ingredient of base substrate powder given here, micro mist and the preparation of ground-coat enamel all can be replaced by other recipe ingredient in common practise, are all applicable in the preparation method of once-firing crystallite glass composite plate of the present invention.Ground-coat enamel mainly plays covering effect, therefore the cosmetic soil that more options whiteness is higher, between the glass-ceramic layer that dilation coefficient when it burns till is formed after green body layer and glass ceramics frit melting, when burning till, the matching of the thermal expansivity of glass-ceramic layer and the thermal expansivity of green body layer affects the quality of crystallite glass composite plate finished product, when the thermal expansivity of glass-ceramic layer is large, the thermal expansivity hour of green body layer, brick can present " recessed " shape; When the thermal expansivity of glass-ceramic layer is little, the thermal expansivity of green body layer is large, brick cognition presents " convex " shape, so add the ground glaze layer between glass-ceramic layer that one deck dilation coefficient formed after green body layer and glass ceramics frit melting, can avoid because green body layer and the comparatively large and deformation defect that causes of glass-ceramic layer dilation coefficient difference.
Embodiment group 1
The component of every 100kg frit granule agglomerant that embodiment 1-1 uses: non-ionic polyurethane associative thickener (NaeWoiKorea., Ltd. company, model HIRESOL85) 6.5kg, white carbon black 3.8kg, polyether-type GPE defoamer (buying from Hangzhou Fei Er chemical industry company limited) 1.3kg, sodium polyacrylate 0.3g, the aqueous ethanolic solution of surplus to be concentration be 13-15%.
The preparation method of above-mentioned frit granule agglomerant, comprises the following steps: 1) be dissolved in part ethanol by white carbon black, stir; 2) add non-ionic polyurethane associative thickener and remaining amount of alcohol, stir; 3) add polyether-type GPE defoamer and sodium polyacrylate, stir and obtain frit granule agglomerant, survey its flow velocity be 28.2s (30 DEG C, be coated with-4 glasss).It should be noted that, ethanol 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
The glass ceramics frit particle of 375kg silvery white ice crystal effect (is bought from Quincy's Caro than glaze company; fineness 60 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 46.2s (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.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.
Drenched on ground-coat enamel printed 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, obtains unfired brick structure as shown in Figure 1 and comprises green body layer 1, ground glaze layer 2 and glass ceramics frit layer 3.In kiln, 1200 DEG C are burnt till, edging chamfering, obtain the crystallite glass composite plate finished product with green body layer 1, ground glaze layer 2 and glass-ceramic layer 4 as shown in Figure 2, planeness is high, 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.
Comparative example 1-2
The glass ceramics frit particle of the 375kg silvery white ice crystal effect of same embodiment 1-1 (is bought from Quincy's Caro than glaze company, fineness 60 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.
Above-mentioned glass ceramics frit particle suspension liquid is drenched on ground-coat enamel printed layer surface in the mode of drenching glaze, the thickness controlling glass ceramics frit particle suspension liquid is 2mm, in kiln, 1200 DEG C are burnt till, edging chamfering, the crystallite glass composite plate finished product obtained, there is interval line in the silvery white ice crystal decorative pattern reason formed, discontinuous, and leave bubble.
In order to illustrate further, provide the suspension of the frit granule agglomerant using embodiment 1-1 to obtain to compare with the kinematic viscosity value μ of the suspension using glue to obtain 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) | Place phenomenon after 5 days |
| Embodiment 1-1 | 46.2 | 180.27 | Occur without layering |
| Comparative example 1-2 | 28.4 | 100.45 | There is layering |
Non-ionic polyurethane associative thickener content is on the impact-embodiment group 2 of suspension demixing phenomenon
Preparation-the embodiment 2 of frit granule agglomerant
The component of every 100kg frit granule agglomerant: non-ionic polyurethane associative thickener (NaeWoiKorea., Ltd. company, model HIRESOL85) content according to the form below 2 adds, white carbon black 3.6kg, polyether-type GPE defoamer (buying from Hangzhou Fei Er chemical industry company limited) 1.3kg, tripoly phosphate sodium STPP 0.3kg, the aqueous ethanolic solution of surplus to be concentration be 13-15%.
Glass ceramics frit particle 350kg with oyster white ice crystal effect (is bought from Quincy's Caro than glaze company, fineness 90 order) add in the frit granule agglomerant of the obtained 150kg of embodiment 2, 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 2.
Table 2 non-ionic polyurethane associative thickener adds quantifier elimination
The addition that can obtain non-ionic polyurethane associative thickener from table 2 makes suspension play the essential substance of thickening power, measure its pH value of above-described embodiment 2-0 ~ embodiment 2-6 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.
White carbon black content is on the impact-embodiment group 3 of the demixing phenomenon of suspension
Preparation-the embodiment 3 of frit granule agglomerant
The component of every 100kg frit granule agglomerant: non-ionic polyurethane associative thickener (NaeWoiKorea., Ltd. company, model HIRESOL85) 7.5kg, white carbon black content according to the form below 3 adds, polyether-type GPE defoamer (buying from Hangzhou Fei Er chemical industry company limited) 1.3kg, tripoly phosphate sodium STPP 1kg, surplus is ethanol.
The frit particle of green for 375kg ice crystal effect (is bought from Quincy's Caro than glaze company, fineness 80 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 3.
Embodiment 3-00
The frit particle of green for 375kg ice crystal effect (is bought from Quincy's Caro than glaze company, fineness 80 order) add in the 125kg viscosity aqueous slurry be 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 3.
Table 3 white carbon black 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 3 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 white carbon black makes the thickening efficiency of suspension improve, white carbon black 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.
White carbon black content is to the viscosity-embodiment group 4 of binding agent
The component of every 100kg frit granule agglomerant: non-ionic polyurethane associative thickener (NaeWoiKorea., Ltd. company, model HIRESOL85) 7.0kg, white carbon black content according to the form below 4 adds, polyether-type GPE defoamer (buying from Hangzhou Fei Er chemical industry company limited) 1.3kg, tripoly phosphate sodium STPP 1kg, surplus is the aqueous solution of diethylene glycol ether.
The preparation method of above-mentioned frit granule agglomerant, comprises the following steps: 1) be dissolved in by white carbon black in himself quality 4 times of diethylene glycol ethers, stir; 2) add the water of non-ionic polyurethane associative thickener and residual content, stir; 3) add polyether-type GPE defoamer and tripoly phosphate sodium STPP, stir and obtain frit granule agglomerant.
Table 4 white carbon black addition is on the impact of the flow velocity of frit granule agglomerant
| Numbering | White carbon black addition/% | Flow velocity/s | Kinematic viscosity value/(mm 2/s) |
| 4-1 | 3.2 | 23.5 | 78.48 |
| 4-2 | 3.6 | 32.8 | 120.18 |
| 4-3 | 4.0 | 40.5 | 154.71 |
| 4-4 | 4.4 | 31.5 | 114.35 |
Can obtain from table 4, along with the increase of white carbon black addition, the flow velocity of frit granule agglomerant is larger, but when white carbon black 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 white carbon black is preferably about 3.6kg.
Embodiment 5
186kg temperature resistant transparent glass ceramics frit particle (is bought from Quincy's Caro than glaze company, fineness 90 order) add in the frit granule agglomerant of the obtained 100kg of embodiment group 1, mix, obtain glass ceramics frit particle suspension liquid, glass ceramics frit particle solid content 65%, without visible bubble in bubble, flow velocity is 42.5s (30 DEG C, be coated with-4 glasss), suspension is placed still without demixing phenomenon after 5 days, suspension is drenched glaze mode by bell-jar and imposes on ground-coat enamel printed layer surface.After burning till, finished bricks surface evenness is high, free of pinholes.It should be noted that, the transparent glass ceramics frit particle that the present embodiment 5 is selected, glass ceramics frit particle can be bought by colour glaze company and obtain, and other glass ceramics frit products also can realize this programme.
Comparative example 5
100kg temperature resistant transparent glass ceramics frit particle (is bought from Quincy's Caro than glaze company, fineness 90 order) add in the frit granule agglomerant of the obtained 100kg of embodiment group 1, mix, obtain glass ceramics frit particle suspension liquid, glass ceramics frit particle solid content 50%, without visible bubble in bubble, flow velocity is 32.3s (30 DEG C, be coated with-4 glasss), suspension is placed still without demixing phenomenon after 5 days, suspension is drenched glaze mode by bell-jar and imposes on ground-coat enamel printed layer surface.After burning till, easily there is dissolution pore and pin-hole phenomena in finished bricks face.
Can obtain from embodiment 5 and comparative example 5 experiment, the solid content of the glass ceramics frit particle of glass ceramics frit particle suspension liquid also has a certain impact to the finished product burnt till, because in comparative example 5, glass ceramics frit particle solid content only has 50%, the quantity not sufficient of frit particle is sprawled on full brick face to meet, so dissolution pore or pin-hole phenomena easily appear in finished bricks face, the solid content of the glass ceramics frit particle of preferred glass ceramics frit particle suspension liquid is no less than 65%.
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. a preparation method for once-firing crystallite glass composite plate, is characterized in that: comprise 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 layer-by-layer distribution, strike out biscuit;
B, glazing stamp: after the biscuit drying of steps A, cleaning billet surface, spray ground-coat enamel, carries out stamp by the mode of one or more combinations in ink-jet printed, rotary printing, screen printing;
C, spray one deck glass ceramics frit suspension: spray one deck glass ceramics frit suspension in the billet surface of step B, described glass ceramics frit suspension 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 6.5-7.5%, white carbon black 3.2-4.4%, defoamer 1-1.5%, dispersion agent 0.3-1.3%, surplus is solvent;
D, to burn till: send into kiln kiln roasting, firing temperature is 1200-1300 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;
Wherein, the solvent of the binding agent of polyurethanes described in step B is at least one in ethanol, diethylene glycol ether or both aqueous solution.
2. the preparation method of once-firing crystallite glass composite plate according to claim 1, is characterized in that: in step D, firing period is 70-90min.
3. the preparation method of once-firing crystallite glass composite plate according to claim 1, is characterized in that: the solid content of the glass ceramics frit of the suspension of glass ceramics frit described in step C is no less than 65%.
4. the preparation method of once-firing crystallite glass composite plate according to claim 1, is characterized in that: the defoamer added in the binding agent of polyurethanes described in step C is polyether-type GPE defoamer.
5. the preparation method of once-firing crystallite glass composite plate according to claim 1, is characterized in that: the dispersion agent added in the binding agent of polyurethanes described in step C is at least one in tripoly phosphate sodium STPP, sodium polyacrylate.
6. the preparation method of once-firing crystallite glass composite plate according to claim 1, is characterized in that: the granular size of described glass ceramics frit is 60-90 order.
7. the preparation method of once-firing crystallite glass composite plate according to claim 1, is characterized in that: the preparation method of described polyurethanes binding agent, comprises the following steps: 1) be dissolved in partial solvent by white carbon black, stir; 2) add non-ionic polyurethane associative thickener and remaining solvent, stir; 3) add defoamer and dispersion agent, stir and obtain frit granule agglomerant.
8. the preparation method of once-firing crystallite glass composite plate according to claim 1, it is characterized in that: the unfired brick structure of described crystallite glass composite plate comprises green body layer, ground glaze layer and glass ceramics frit layer from bottom to top, between the glass-ceramic layer that the dilation coefficient of described ground glaze layer is formed after described green body layer and described glass ceramics frit melting.
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| CN101210157A (en) * | 2006-12-31 | 2008-07-02 | 郑旷宇 | Micron nano material composite modified water-based adhesive |
| CN103739207A (en) * | 2013-12-17 | 2014-04-23 | 佛山市粤峤陶瓷技术创新服务中心 | Manufacturing method of microcrystalline glass ceramic composite panel with antistatic glass layer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101210157A (en) * | 2006-12-31 | 2008-07-02 | 郑旷宇 | Micron nano material composite modified water-based adhesive |
| CN103739207A (en) * | 2013-12-17 | 2014-04-23 | 佛山市粤峤陶瓷技术创新服务中心 | Manufacturing method of microcrystalline glass ceramic composite panel with antistatic glass layer |
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