CN107382069B - It is a kind of low cost low expansion ceramic without zirconia enamel and preparation method thereof - Google Patents
It is a kind of low cost low expansion ceramic without zirconia enamel and preparation method thereof Download PDFInfo
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- CN107382069B CN107382069B CN201710597669.7A CN201710597669A CN107382069B CN 107382069 B CN107382069 B CN 107382069B CN 201710597669 A CN201710597669 A CN 201710597669A CN 107382069 B CN107382069 B CN 107382069B
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- low expansion
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
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- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a kind of inexpensive low expansion ceramics without zirconia enamel, including base-material and additive；The raw material of the base-material forms are as follows: 20~35wt% of spodumene, 10~25wt% of petalite, 10~15wt% of calcination of talc, 7~10wt% of barium carbonate, 6~10wt% of attaclay, 1~3wt% of strontium carbonate, 10~20wt% of quartz, 1~5wt% of lithium porcelain stone, 6~12wt% of alumina powder, 0~3wt% of bone ash；The additive is carboxylic propyl methocel, sodium tripolyphosphate, and dosage is respectively 0.05~0.1wt% of base-material, 0.20~0.30wt%.In addition, also disclosing above-mentioned inexpensive preparation method of the low expansion ceramic without zirconia enamel.Low expansion ceramic of the present invention is low without zirconia enamel production cost, using safe, "dead", and whiteness is high, melting behaviour is good, the coefficient of expansion is controllable, it can be well adapted for the requirement of various low expansion ceramic green bodies, to may advantageously facilitate technological progress and the application development of low expansion ceramic industry.
Description
Technical field
The present invention relates to ceramic glaze technical fields more particularly to a kind of low expansion ceramic white glaze and preparation method thereof.
Background technique
Low expansion ceramic cooker is as health cooker, increasingly by the favor of the majority of consumers.Currently, China's low bulk
The yield of ceramic cooker is about 200,000 pcs/day, and wherein white glaze porcelain accounts for 50% or more.However, the white glaze of currently available technology
It is mostly wherein containing 10~16% zircon sand or zircon, and to contain radioactivity member in zircon or zircon sand containing zironium glaze
Plain hafnium, therefore country proposes radioactivity requirement to containing zironium glaze, and is increasingly stringenter.For this purpose, current research and
Enterprise mostly starts to reduce the usage amount of zircon or zircon sand, but thus just causes whiteness and do not reach requirement, not only color
Yellowing, and temperature fluctuation is big, unstable, and product qualification rate is low, at high cost, thus greatly reduces enterprise competitiveness.In addition,
That there is also white glaze melt temperature scopes is narrow, ceramic blank glaze mismatches, be easy it is frightened split, the problems such as waste product is more.
Summary of the invention
That it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of whiteness is good, the coefficient of expansion is controllable, molten
Melt range is wide, at low cost low expansion ceramic without zirconia enamel, to meet the safety in utilization of consumer well and as cooker
Health-caring function, to may advantageously facilitate technological progress and the application development of low expansion ceramic industry.Of the invention is another
It is designed to provide above-mentioned inexpensive preparation method of the low expansion ceramic without zirconia enamel.
The purpose of the present invention is achieved by the following technical programs:
A kind of inexpensive low expansion ceramic provided by the invention is without zirconia enamel, including base-material and additive；The base-material
Raw material composition are as follows: 20~35wt% of spodumene, 10~25wt% of petalite, 10~15wt% of calcination of talc, barium carbonate 7~
10wt%, 6~10wt% of attaclay, 1~3wt% of strontium carbonate, 10~20wt% of quartz, 1~5wt% of lithium porcelain stone, aluminium oxide
6~12wt% of micro mist, 0~3wt% of bone ash；The additive is carboxylic propyl methocel (HPMC), sodium tripolyphosphate
(STTP), dosage is respectively 0.05~0.1wt% of base-material, 0.20~0.30wt%.
The present invention can synthesize to obtain more low-expansion violet by calcination of talc, attaclay and alumina powder
Green stone micro crystal solves the prior art glaze coefficient of expansion and without zirconium to realize fabricated in situ cordierite micro crystal
In the case of the low problem of whiteness；In addition, solving the problems, such as that melt temperature scope is narrow by several compound enamel frit makeing containing lithium minerals.
Preferably, the raw material composition of base-material of the present invention are as follows: 25~35wt% of spodumene, petalite 10~
20wt%, 10~15wt% of calcination of talc, 7~10wt% of barium carbonate, 6~10wt% of attaclay, 1~3wt% of strontium carbonate, stone
10~20wt% of English, 1~5wt% of lithium porcelain stone, 6~10wt% of alumina powder, 1~3wt% of bone ash.
Another object of the present invention is achieved by the following technical programs:
Above-mentioned inexpensive low expansion ceramic provided by the invention is without zirconia enamel the preparation method is as follows: first by the base-material
Other raw materials outside middle alumina micro mist carry out one section of ball milling together with additive, and alumina powder is then added and carries out together
Two sections of ball millings；Then carried out screening out iron, it is aging to get to inexpensive low expansion ceramic without zirconia enamel.
Further, the time of one section of ball milling described in preparation method of the present invention is 18~20h.The time of two sections of ball millings
For 4~6h, until it is 0.05~0.08% that fineness, which reaches 250 mesh screen residues,.
The invention has the following advantages:
(1) low expansion ceramic of the present invention is without zirconia enamel, is not added with zircon or zircon sand brightening agent, "dead" element,
Production cost is low and using safe；It is designed by formula, realizes fabricated in situ cordierite micro crystal, efficiently solve existing
The problem of technology glaze coefficient of expansion and whiteness；And by several compound uses containing lithium minerals, solves melting temperature model
Enclose wide problem.
(2) low expansion ceramic of the present invention is without zirconia enamel, and whiteness is high, fusion range is wide, the coefficient of expansion is controllable, can be very
The requirement for adapting to various low expansion ceramic green bodies well, effectively increases production qualification rate.
(3) low expansion ceramic of the present invention has a significant raising without zirconia enamel its properties, and whiteness is 80~85, swollen
Swollen coefficient is α(800~20 DEG C)=0.6~1.2 × 10-6/ DEG C, melt temperature scope has reached 60 DEG C.
Below in conjunction with embodiment, the present invention is described in further detail.
Specific embodiment
A kind of inexpensive embodiment of the low expansion ceramic without zirconia enamel of the present invention, including base-material and additive, wherein base-material
Raw material composition it is as shown in table 1.
1 low cost of embodiment of the present invention low expansion ceramic of table is formed without the base-material raw material of zirconia enamel
Additive is carboxylic propyl methocel (HPMC) (molecular weight 400~800), sodium tripolyphosphate (STTP), is used
Amount is respectively 0.1wt%, 0.30wt% of base-material.
Low cost of embodiment of the present invention low expansion ceramic without zirconia enamel the preparation method is as follows:
Other raw materials in above-mentioned base-material outside alumina micro mist are subjected to one section of ball milling together with additive first, then
Alumina powder is added and carries out two sections of ball millings together；Then carried out screening out iron, it is aging to get to inexpensive low expansion ceramic without
Zirconia enamel.
Preparation method of low cost of the embodiment of the present invention low expansion ceramic without zirconia enamel, technological parameter are as shown in table 2.
The technological parameter of 2 preparation method of low cost of the embodiment of the present invention low expansion ceramic without zirconia enamel of table
Low cost of embodiment of the present invention low expansion ceramic is without zirconia enamel, on ceramic body after glazing, under oxidizing atmosphere
Firing can be realized in 1350 DEG C of temperature of <, and melt temperature scope is wide, matches with ceramic body, performance indicator is as shown in table 3.
3 performance indicator of low cost of the embodiment of the present invention low expansion ceramic without zirconia enamel of table
Claims (5)
1. a kind of low cost low expansion ceramic is without zirconia enamel, it is characterised in that: including base-material and additive；The raw material of the base-material
Composition are as follows: 20~35 wt% of spodumene, 10~25 wt% of petalite, 10~15 wt% of calcination of talc, barium carbonate 7~10
Wt%, 6~10 wt% of attaclay, 1~3 wt% of strontium carbonate, 10~20 wt% of quartz, 1~5 wt% of lithium porcelain stone, alumina powder
6~12 wt%, 0~3 wt% of bone ash；The additive is carboxylic propyl methocel, sodium tripolyphosphate, and dosage is respectively base
0.05~0.1 wt%, 0.20~0.30 wt% of material；Wherein, calcination of talc, attaclay and alumina powder, synthesis obtain
Cordierite micro crystal, to realize fabricated in situ cordierite micro crystal；Its whiteness is after the no zirconia enamel glazing firing
80~85, coefficient of expansion α(800~20 DEG C)=(0.6~1.2) × 10-6/℃。
2. low cost low expansion ceramic according to claim 1 is without zirconia enamel, it is characterised in that: the raw material group of the base-material
Become: 25~35 wt% of spodumene, 10~20 wt% of petalite, 10~15 wt% of calcination of talc, 7~10 wt% of barium carbonate,
6~10 wt% of attaclay, 1~3 wt% of strontium carbonate, 10~20 wt% of quartz, 1~5 wt% of lithium porcelain stone, alumina powder 6~
10 wt%, 1~3 wt% of bone ash.
3. preparation method of the low cost low expansion ceramic without zirconia enamel as claimed in claim 1 or 2, it is characterised in that: first by institute
It states other raw materials in base-material outside alumina micro mist and carries out one section of ball milling together with additive, alumina powder one is then added
It rises and carries out two sections of ball millings；Then carried out screening out iron, it is aging to get to inexpensive low expansion ceramic without zirconia enamel.
4. preparation method of the low cost low expansion ceramic without zirconia enamel according to claim 3, it is characterised in that: described one
The time of section ball milling is 18~20 h.
5. preparation method of the low cost low expansion ceramic without zirconia enamel according to claim 3, it is characterised in that: described two
The time of section ball milling is 4~6 h, until it is 0.05~0.08% that fineness, which reaches 250 mesh screen residues,.
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| CN201710597669.7A CN107382069B (en) | 2017-07-20 | 2017-07-20 | It is a kind of low cost low expansion ceramic without zirconia enamel and preparation method thereof |
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| CN201710597669.7A CN107382069B (en) | 2017-07-20 | 2017-07-20 | It is a kind of low cost low expansion ceramic without zirconia enamel and preparation method thereof |
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| CN107382069B true CN107382069B (en) | 2019-11-05 |
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Families Citing this family (9)
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| CN107892482B (en) * | 2017-12-14 | 2020-07-07 | 湖南嘉盛电陶新材料股份有限公司 | Low-melting-point glass glaze for low-expansion ceramic liner back cover and preparation method and application thereof |
| CN108529878A (en) * | 2018-06-14 | 2018-09-14 | 江西嘉顺瓷业有限公司 | A kind of low bulk sesame point glaze and preparation method thereof |
| CN108585499A (en) * | 2018-08-02 | 2018-09-28 | 张家港市六福新材料科技有限公司 | A kind of preparation method of low expansion ceramic glaze |
| CN110028243A (en) * | 2019-04-22 | 2019-07-19 | 江西嘉顺瓷业有限公司 | A kind of parian glaze heat resisting porcelain formula and preparation method thereof |
| CN110128016A (en) * | 2019-04-26 | 2019-08-16 | 佛山市玉矶材料科技有限公司 | A kind of no zirconium ultrawhite overglaze and preparation method thereof |
| CN110028307B (en) * | 2019-04-26 | 2021-11-12 | 景德镇陶瓷大学 | Lithium heat-resistant porcelain sintered in reducing flame and preparation method thereof |
| CN111470872A (en) * | 2020-04-29 | 2020-07-31 | 德化县太阳鸟工艺品有限公司 | Furnace transmutation white glaze ceramic product with brown ground glaze and prepared from waste ceramic material and preparation method thereof |
| CN111453994B (en) * | 2020-05-14 | 2021-11-30 | 东莞市唯美陶瓷工业园有限公司 | White glaze, ceramic tile and preparation method of ceramic tile |
| CN112645596A (en) * | 2021-01-19 | 2021-04-13 | 江西金唯冠建材有限公司 | Preparation method of low-cost low-expansion ceramic zirconium-free glaze |
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