CN110423107A - A kind of sterilizing ceramic wafer and preparation method thereof - Google Patents

A kind of sterilizing ceramic wafer and preparation method thereof Download PDF

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Publication number
CN110423107A
CN110423107A CN201910480858.5A CN201910480858A CN110423107A CN 110423107 A CN110423107 A CN 110423107A CN 201910480858 A CN201910480858 A CN 201910480858A CN 110423107 A CN110423107 A CN 110423107A
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sterilizing
ceramic wafer
ceramic
titanium oxide
preparation
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卢高峰
卢禹杞
郭绍义
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Yixing Minghaote Porcelain Technology Co Ltd
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Yixing Minghaote Porcelain Technology Co Ltd
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
    • C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
    • C04B41/5041—Titanium oxide or titanates
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    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3281—Copper oxides, cuprates or oxide-forming salts thereof, e.g. CuO or Cu2O
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    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
    • C04B2235/3481—Alkaline earth metal alumino-silicates other than clay, e.g. cordierite, beryl, micas such as margarite, plagioclase feldspars such as anorthite, zeolites such as chabazite
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
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  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The invention discloses a kind of sterilizing ceramic wafers and preparation method thereof, the ceramic board raw material composition of the sterilizing includes cordierite 10%-15%, mullite 30%-45%, High-Alumina 18%-35%, binder 5%-10%, copper sulphate 0.2%-0.6%, titanium oxide 0.4%-1% and suitable quantity of water, the present invention has good water absorption rate using the ceramic wafer of this method preparation, the mean water absorption rate and hardness of 3 groups of embodiments, service life is longer, the yield rate of ceramic wafer is higher, popularization easy to process, nonirritant peculiar smell, antibiotic rate is up to 99.9%, Cu+ in copper sulphate has certain bactericidal effect, animal is not injured, there is good sterilization effect simultaneously, it avoids and bacterium is passed to human body well during being contacted because of pet with people, ceramic plate surface applies It is covered with titanium oxide layer, the effect of antibacterial and self-cleaning can be played, had a good application prospect.

Description

A kind of sterilizing ceramic wafer and preparation method thereof
Technical field
The present invention relates to ceramic technology field, specially a kind of sterilizing ceramic wafer and preparation method thereof.
Background technique
Nowadays, the upsurge for raising pet is just risen in the city in China silently, with growing stronger day by day for pet troop, One emerging industry --- pet industry is also as iceberg emerges.It is cultivated compared with pet, the life of pet food, articles Production and marketing, which is sold, seems flexibly many, also seems in entire pet industry than more prominent.China, which has possessed, at present a certain number of dotes on The producers such as object food, articles, toy, are largely started in the 1990s.If in Shanghai, the food of each pet Product and articles monthly press 50 yuan of calculating, and the spending that citizen are used for pet every year also has 600,000,000 yuan.And actually with regard to dog, cat and Speech, monthly 50 yuan are very Eco-power consumption, additional special if periodically going up beauty parlor with pet or into time clinic hospital Pet food, pet toy etc., the consumption of luxurious type will exceed thousand yuan.With the development of economy, living standards of the people mention Height, pet consumption can undoubtedly show a increasing trend.
The total illness of pet and the mankind generally have toxoplasma, rabies, Brucella, Leptospira, Escherichia coli, Salmonella etc..Rabies, which are vaccinated, to prevent, as long as and other germs and helminth attention to hygiene, should not be with doting on Object has the contact of backslapping, is difficult to be transmitted to you at all.Such as toxoplasma, route of transmission only eat by mistake egg capsule, eat it is contaminated Raw meat or tachyzoite/bradyzoite enter damage skin, mucous membrane just meeting toxoplasma gondii infection；During people contacts with pet, dote on Bacterium with object is often passed to human body, causes certain hidden danger, general pet collar surface safely to human health It is easy to produce ponding, and then will lead to the problems such as pet collar surface breeds bacterium, is unfavorable for the healthy growth of pet.
For technological deficiency present in above-mentioned ceramic wafer, a kind of sterilizing ceramic wafer and preparation method thereof is invented, goes to solve The above problem, it is very promising.
Summary of the invention
The purpose of the present invention is to provide a kind of sterilizing ceramic wafer and preparation method thereof, the sterilizing ceramic wafer and its preparation sides Method is specific as follows: the ceramic board raw material composition of the sterilizing includes cordierite, mullite, High-Alumina, binder, copper sulphate, oxidation Titanium, water are weighed according to following constituent mass percentage:
Cordierite 10%-15%；
Mullite 30%-45%；
High-Alumina 18%-35%；
Binder 5%-10%；
Copper sulphate 0.2%-0.6%；
Titanium oxide 0.4%-1%.
Preferably, the granule size of the cordierite is 30 ~ 50 mesh, the granule size of mullite is 50 ~ 70 mesh, high The granule size of aluminum is 70 ~ 90 mesh, and the granule size of binder is 90 ~ 110 mesh.
The present invention also provides a kind of sterilizing ceramic wafers and preparation method thereof, include the following steps:
S1: it is broken by granular powder is carried out after cordierite, mullite, High-Alumina, binder, copper sulphate, titanium oxide spray-dried separately, It is then filtered, except iron, it is spare；
S2: adding water to be stirred mixing the raw material in S1, aging 36 ~ 64 hours, spare；
S3: the mixture in S2 is pressed, light pressure gas, weight are vented, are prepared into ceramic slab after weight molding Body；
S4: the green body in S3 is placed in kiln and fires finished product, is finally polished；
S5: the finished surface in S4 is coated into one layer of titanium oxide and carries out being baked into sterilizing layer, is packaged.
Preferably, the firing temperature of ceramic wafer is 1100 DEG C ~ 1400 DEG C in the S4, the firing time is 10 ~ 12 small When.
Preferably, the absorptivity of the ceramic wafer is 15% ~ 18%.
Preferably, the titanium oxide is according to 1g-5g/m2Ratio uniform be coated in ceramic plate surface.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention has a good water absorption rate using the ceramic wafer of this method preparation, the mean water absorption rate of 3 groups of embodiments and hard Degree, service life is longer, and the yield rate of ceramic wafer is higher, popularization easy to process, nonirritant peculiar smell, and antibiotic rate is up to 99.9%, Cu in copper sulphate+With certain bactericidal effect, animal is not injured, while there is good sterilization effect, well It avoids and bacterium is passed to human body during being contacted because of pet with people, ceramic plate surface is coated with titanium oxide layer, can be with The effect for playing antibacterial and self-cleaning, has a good application prospect.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not For limiting the present invention.
Embodiment 1
A kind of sterilizing ceramic wafer, the ceramic board raw material composition of the sterilizing includes cordierite, mullite, High-Alumina, binder, sulfuric acid Copper, titanium oxide, water are weighed according to following constituent mass percentage:
Cordierite 10%；
Mullite 30%；
High-Alumina 18%；
Binder 5%；
Copper sulphate 0.2%；
Titanium oxide 0.4%.
The sterilizing ceramic wafer preparation method of the present embodiment, includes the following steps:
S1: it is broken by granular powder is carried out after cordierite, mullite, High-Alumina, binder, copper sulphate, titanium oxide spray-dried separately, It is then filtered, except iron, it is spare；
S2: adding water to be stirred mixing the raw material in S1, aging 36 ~ 64 hours, spare；
S3: the mixture in S2 is pressed, light pressure gas, weight are vented, are prepared into ceramic slab after weight molding Body；
S4: the green body in S3 is placed in kiln and fires finished product, is finally polished；
S5: the finished surface in S4 is coated into one layer of titanium oxide and carries out being baked into sterilizing layer, is packaged.
The firing temperature of ceramic wafer is 1100 DEG C in the S4, and the firing time is 10 hours, can be gone out to avoid on ceramic wafer Existing black-white point phenomenon, firing time are 10 hours.
The absorptivity of the ceramic wafer is 15% ~ 18%.
The titanium oxide is according to 1g/m2Ratio uniform be coated in ceramic plate surface.
Embodiment 2
A kind of sterilizing ceramic wafer, the ceramic board raw material composition of the sterilizing includes cordierite, mullite, High-Alumina, binder, sulfuric acid Copper, titanium oxide, water are weighed according to following constituent mass percentage:
Cordierite 12%；
Mullite 38%；
High-Alumina 25%；
Binder 8%；
Copper sulphate 0.4%；
Titanium oxide 0.6%.
The sterilizing ceramic wafer preparation method of the present embodiment, includes the following steps:
S1: it is broken by granular powder is carried out after cordierite, mullite, High-Alumina, binder, copper sulphate, titanium oxide spray-dried separately, It is then filtered, except iron, it is spare；
S2: adding water to be stirred mixing the raw material in S1, aging 48 hours, spare；
S3: the mixture in S2 is pressed, light pressure gas, weight are vented, are prepared into ceramic slab after weight molding Body；
S4: the green body in S3 is placed in kiln and fires finished product, is finally polished；
S5: the finished surface in S4 is coated into one layer of titanium oxide and carries out being baked into sterilizing layer, is packaged.
The firing temperature of ceramic wafer is 1200 DEG C in the S4, and the firing time is 11 hours, can be gone out to avoid on ceramic wafer Existing black-white point phenomenon, firing time are 11 hours.
The absorptivity of the ceramic wafer is 15% ~ 18%.
The titanium oxide is according to 3g/m2Ratio uniform be coated in ceramic plate surface.
Embodiment 3
A kind of sterilizing ceramic wafer, the ceramic board raw material composition of the sterilizing includes cordierite, mullite, High-Alumina, binder, sulfuric acid Copper, titanium oxide, water are weighed according to following constituent mass percentage:
Cordierite 15%；
Mullite 45%；
High-Alumina 35%；
Binder 10%；
Copper sulphate 0.6%；
Titanium oxide 1%.
The sterilizing ceramic wafer preparation method of the present embodiment, includes the following steps:
S1: it is broken by granular powder is carried out after cordierite, mullite, High-Alumina, binder, copper sulphate, titanium oxide spray-dried separately, It is then filtered, except iron, it is spare；
S2: adding water to be stirred mixing the raw material in S1, aging 64 hours, spare；
S3: the mixture in S2 is pressed, light pressure gas, weight are vented, are prepared into ceramic slab after weight molding Body；
S4: the green body in S3 is placed in kiln and fires finished product, is finally polished；
S5: the finished surface in S4 is coated into one layer of titanium oxide and carries out being baked into sterilizing layer, is packaged.
The firing temperature of ceramic wafer is 1400 DEG C in the S4, and the firing time is 12 hours, can be gone out to avoid on ceramic wafer Existing black-white point phenomenon, firing time are 12 hours.
The absorptivity of the ceramic wafer is 15% ~ 18%.
The titanium oxide is according to 5g/m2Ratio uniform be coated in ceramic plate surface.
To ceramic wafer prepared in embodiment 1-3, according to " Ceramic Tiles " (GBT4100-2015) " standard, measure number According to being as follows:
Detection project Embodiment 1 Embodiment 2 Embodiment 3
Water absorption rate E > 3% 17.9% 17.8% 18.5%
The modulus of rupture: >=28 [N/mm2(MPa)] 36.3 37.6 37.1
Yield rate (%) 99.8% 99.4% 99.7%
Antibiotic rate (%) 99.93% 99.96% 99.91%
Irritation test It is non-stimulated It is non-stimulated It is non-stimulated
Peculiar smell test Free from extraneous odour Free from extraneous odour Free from extraneous odour
Toxicity experiment It is nontoxic It is nontoxic It is nontoxic
Be apparent from by above table: the ceramic wafer using this method preparation has good water absorption rate, the mean water absorption of 3 groups of embodiments Rate is 18.1%, is much higher than national Specification, and the modulus of rupture average value of 3 groups of embodiments shows preferable intensity close to 37 The yield rate of performance, ceramic wafer is higher, popularization easy to process, nonirritant peculiar smell, and antibiotic rate is up to 99.9%, in copper sulphate Cu+With certain bactericidal effect, animal is not injured, while there is good sterilization effect, avoided well because doting on Object passes to bacterium with human body during contacting with people, ceramic plate surface be coated with titanium oxide layer, can play antibacterial and The effect of self-cleaning, has a good application prospect.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (6)

1. a kind of sterilizing ceramic wafer, which is characterized in that the ceramic board raw material composition of the sterilizing includes cordierite, mullite, high alumina Matter, binder, copper sulphate, titanium oxide, water are weighed according to following constituent mass percentage:
Cordierite 10%-15%；
Mullite 30%-45%；
High-Alumina 18%-35%；
Binder 5%-10%；
Copper sulphate 0.2%-0.6%；
Titanium oxide 0.4%-1%.
2. a kind of sterilizing ceramic wafer according to claim 1, which is characterized in that the granule size of the cordierite be 30 ~ 50 mesh, the granule size of mullite are 50 ~ 70 mesh, and the granule size of High-Alumina is 70 ~ 90 mesh, and the granule size of binder is 90 ~ 110 mesh.
3. a kind of sterilizing ceramic wafer according to claim 1 and preparation method thereof, which comprises the steps of:
S1: it is broken by granular powder is carried out after cordierite, mullite, High-Alumina, binder, copper sulphate, titanium oxide spray-dried separately, It is then filtered, except iron, it is spare；
S2: adding water to be stirred mixing the raw material in S1, aging 36 ~ 64 hours, spare；
S3: the mixture in S2 is pressed, light pressure gas, weight are vented, are prepared into ceramic slab after weight molding Body；
S4: the green body in S3 is placed in kiln and fires finished product, is finally polished；
S5: the finished surface in S4 is coated into one layer of titanium oxide and carries out being baked into sterilizing layer, is packaged.
4. a kind of sterilizing ceramic wafer according to claim 3 and preparation method thereof, which is characterized in that ceramic wafer in the S4 Firing temperature be 1100 DEG C ~ 1400 DEG C, the firing time be 10 ~ 12 hours.
5. a kind of sterilizing ceramic wafer according to claim 1 and preparation method thereof, which is characterized in that the suction of the ceramic wafer Yield is 15% ~ 18%.
6. a kind of sterilizing ceramic wafer according to claim 1 and preparation method thereof, which is characterized in that the titanium oxide according to The ratio uniform of 1g-5g/m2 is coated in ceramic plate surface.
CN201910480858.5A 2019-06-04 2019-06-04 A kind of sterilizing ceramic wafer and preparation method thereof Pending CN110423107A (en)

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JPH0271717A (en) * 1988-09-06 1990-03-12 Eiwa Kasei Kogyo Kk Antibacterial chopping board
EP2088134A1 (en) * 2007-12-19 2009-08-12 Imerys Kiln Furniture Hungary Ltd.hu Lightweight Ceramic Material
CN101886256A (en) * 2010-07-09 2010-11-17 辽宁工程技术大学 Preparation method of Ni-Cu-P/nano TiO2 chemical composite coating on surface of magnesium alloy
CN103524122A (en) * 2013-09-27 2014-01-22 湖南嘉盛电陶新材料股份有限公司 Rapidly synthesized polishing-free cordierite ceramic sheet for microwave oven and production method thereof
CN104692820A (en) * 2015-03-02 2015-06-10 营口瑞德镁质材料科技有限公司 High-temperature compact unfired composite brick and forming technique thereof
CN108218392A (en) * 2018-01-30 2018-06-29 福建省德化县福庆陶瓷有限公司 A kind of anti-sticking anti-bacteria ceramic pot of low bulk and its manufacturing process
CN109400215A (en) * 2018-11-19 2019-03-01 北京崇高纳米科技有限公司 A kind of preparation method and application of antibacterial surface ceramics

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0271717A (en) * 1988-09-06 1990-03-12 Eiwa Kasei Kogyo Kk Antibacterial chopping board
EP2088134A1 (en) * 2007-12-19 2009-08-12 Imerys Kiln Furniture Hungary Ltd.hu Lightweight Ceramic Material
CN101886256A (en) * 2010-07-09 2010-11-17 辽宁工程技术大学 Preparation method of Ni-Cu-P/nano TiO2 chemical composite coating on surface of magnesium alloy
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