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CN1020156C - Titanite type composite emulsion and its preparing process - Google Patents

Titanite type composite emulsion and its preparing process Download PDF

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Publication number
CN1020156C
CN1020156C CN 89105692 CN89105692A CN1020156C CN 1020156 C CN1020156 C CN 1020156C CN 89105692 CN89105692 CN 89105692 CN 89105692 A CN89105692 A CN 89105692A CN 1020156 C CN1020156 C CN 1020156C
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CN
China
Prior art keywords
tio
glaze
sio
aspidelite
cao
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 89105692
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Chinese (zh)
Other versions
CN1045963A (en
Inventor
李钢
谢长生
廖志坚
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CERAMICS INST HUNAN PROV
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CERAMICS INST HUNAN PROV
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Priority to CN 89105692 priority Critical patent/CN1020156C/en
Publication of CN1045963A publication Critical patent/CN1045963A/en
Application granted granted Critical
Publication of CN1020156C publication Critical patent/CN1020156C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/14Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

A sphene-type compound emulsion is prepared from CaO and TiO2、SiO2、P2O5As main components and synthesized at high temperature, the chemical composition range of the material is as follows: TiO 2215-40%、CaO20-40%、SiO215-25%、P2O55 to 15 percent. Wherein P is2O5Is a stabilizer. The synthesized composite opacifier can be directly introduced into raw glaze or made into frits to be added into the glaze, and the sphene-type composite structure is quite stable and has good opacifying effect. Changes the direct handling of TiO by people2By introducing into the glaze as opacifying agents, thereby avoidingFree TiO2The transformation into rutile turns yellow the glaze surface.

Description

Titanite type compound emulsion and prepn. thereof
The invention belongs to ceramic glaze with emulsion and the method for making this opacifying agent.
In the common opacifying agent of ceramic industry, with TiO 2Milkiness the strongest, its optical index is at 2.50-2.60, far above zircon (1.97) commonly used at present.Use TiO 2Making opacifying agent also has some successful examples at ceramic industry, as Italy, the Soviet Union is with regard to useful TiO 2Do that wall floor tile opaque glaze produces, China Wenzhou face brick factory also once used TiO 2Produce as the face brick opaque glaze, and that find to play the milkiness effect in the glaze mainly is Xie five (CaOTiO 2SiO 2), since it is so, why we extensively do not adopt TiO now 2And the lower zircon of selective refraction rate? its key just is that the titanium opaque glaze that we use at present all is TiO 2Directly add in the glaze with the free form, because the composition complexity in the glaze is difficult to make TiO 2Be completed into stable aspidelite crystal, mostly exist the free TiO of non-aspidelite type like this in the glaze 2These free TiO 2In high temperature, often from glaze, separate out, and rutile crystal very easily makes the glaze flavescence with the rutile form.In addition, free TiO 2Crystal formation transform, also extremely responsive to the change of glaze composition.Because these defectives, make TiO 2Be difficult to extensively in ceramic industry, use as emulsion.
The objective of the invention is to avoid above-mentioned defective, make TiO 2Can form more stable aspidelite structure morely, thereby make it can become the opacifying agent of widespread use.
The present invention is achieved in that and uses C αO(C α CO 3), TiO 2, SiO 2(quartz) and P 2O 5(C α 3(PO 4) or the calcining bone ash] or other phosphoric acid salt as main component, high temperature synthesizes Xie type multiple emulsion.Its chemical composition range is: TiO 215-40%, CaO 20-40%, SiO 215-25%, P 2O 55-15%, wherein P 2O 5The main stabilization that rises, its TiO that can draw up effectively 2Change into rutile, but itself also has the milkiness effect, generally by Ca 3(PO 4) 2Or calcining bone ash or the introducing of other phosphoric acid salt.For guaranteeing aspidelite type structure rate of formation height, wherein CaO, TiO 2And SiO 2Content is than preferably trying one's best near aspidelite molecular formula (CaOTiO 2SiO 2Mole ratio.
The manufacture method of aspidelite type compound opacifier of the present invention is: the prescription batching by above-mentioned chemical constitution forms 1000-1400 ℃ of calcining after pulverizing mixes.
Promoting meaning of the present invention is: with TiO 2When using as opacifying agent, TiO 2Not directly to add in the glaze, but add in the glaze, thereby suppressed TiO effectively with a kind of stable aspidelite type macromolecular structure with the free form 2Change into the defective that rutile causes the glaze jaundice.So the stable aspidelite type compound opacifier of institute of the present invention synthetic both can replace extensively adopting opacifying agent to use at present in the low temperature frit glaze.
It and zircon, free TiO 2Compare, following characteristics arranged:
1, fusing point and high temperature viscosity are lower than zircon.The fusing that can reduce frit thus is molten, reduces the glaze pin hole, and replaces the zirconium megalith with equivalent amount, and the whip opaque effect is equally good.
2, TiO 2The source extensive more than zircon.Therefore, person in all parts of the country can synthesize this stable Xie type compound opacifier.
3, it does not resemble free TiO 2Like that very easily at high temperature change into rutile and cause the glaze jaundice.Therefore, it both can be used for the low temperature frit glaze, can be used for the high temperature raw glaze again, and it adapts to the TiO at the property specific ionization 2Extensively.
4, cost is all than zircon and TiO 2Low.
Embodiments of the invention: take by weighing 27.5% industrial TiO by weight percentage respectively 2, 35.0% industrial CaCO 3, 20.8% quartz (contains SiO 2More than 98%) and 16.7% industrial Ca 3(PO 4) 2Or the calcining bone ash (contains Ca 3(PO 4) 2More than 95%).Cross 200 mesh sieves, oven dry after then the wet-milling of ball milling altar being put in their mixing.These scholar's materials are put into biscuiting porcelain dish or saggar, and 1200 ℃ of calcinings down 1200 ℃ of insulations 1-2 hour, become a kind of white thing after the cooling in electric furnace.This white thing is stable aspidelite type compound opacifier, it can directly introduce in the raw glaze or the low temperature frit glaze in as opacifying agent.After introducing in the glaze, its aspidelite type structure is very stable, is not subjected to the influence of other composition in the glaze substantially.

Claims (3)

1, a kind of aspidelite type compound opacifier the invention is characterized in: with CaO, TiO 2, SiO 2And P 2O 5Be major ingredient, its chemical composition range is: TiO 215-40%, CaO20-40%, SiO 215-25%, P 2O 55-15%.
2, aspidelite type compound opacifier according to claim 1 is characterized in that CaO, TiO 2And SiO 2Content than pressing aspidelite molecular formula (CaO 2SiO 2) middle mole ratio dosage.
3, make the manufacture method of claim 1 or 2 described aspidelite type multiple emulsions, it is characterized in that: by the prescription batching of described chemical composition range, after pulverizing mixes at 1000-1400 ℃ of temperature lower calcination.
CN 89105692 1989-03-28 1989-03-28 Titanite type composite emulsion and its preparing process Expired - Fee Related CN1020156C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 89105692 CN1020156C (en) 1989-03-28 1989-03-28 Titanite type composite emulsion and its preparing process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 89105692 CN1020156C (en) 1989-03-28 1989-03-28 Titanite type composite emulsion and its preparing process

Publications (2)

Publication Number Publication Date
CN1045963A CN1045963A (en) 1990-10-10
CN1020156C true CN1020156C (en) 1993-03-24

Family

ID=4856344

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 89105692 Expired - Fee Related CN1020156C (en) 1989-03-28 1989-03-28 Titanite type composite emulsion and its preparing process

Country Status (1)

Country Link
CN (1) CN1020156C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106448792B (en) * 2016-10-11 2018-08-31 西南科技大学 A kind of preparation method of aspidelite type prosthetic graft
CN106977104A (en) * 2017-03-10 2017-07-25 华南理工大学 A kind of preparation method of reflective insulation ceramics using titanium sphene as principal crystalline phase
CN107777694B (en) * 2017-11-20 2020-09-15 吉林大学 Method for preparing sphene from xonotlite
CN109320088B (en) * 2018-11-28 2020-10-02 中国地质大学(北京) Composite opacifier and preparation method thereof, ceramic glaze, ceramic and application
CN111875414B (en) * 2020-06-30 2022-08-05 蒙娜丽莎集团股份有限公司 High solar light reflectivity ceramic plate and preparation method thereof
CN111499202B (en) * 2020-06-30 2020-11-13 蒙娜丽莎集团股份有限公司 Opaque glaze with high solar light reflectivity and preparation method thereof
CN113860728B (en) * 2021-11-24 2023-05-09 中国地质大学(北京) A SiO2-CaCO3-TiO2 composite ceramic emulsifier based on ordered interface bonding and its preparation method
CN116947536B (en) * 2023-09-18 2024-02-23 新明珠集团股份有限公司 Zirconium-free ground glaze, titanium raw material opacified glazed tile and preparation method thereof

Also Published As

Publication number Publication date
CN1045963A (en) 1990-10-10

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