CN108840661A - A kind of highly-breathable enviroment protective ceramic - Google Patents

A kind of highly-breathable enviroment protective ceramic Download PDF

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Publication number
CN108840661A
CN108840661A CN201810917792.7A CN201810917792A CN108840661A CN 108840661 A CN108840661 A CN 108840661A CN 201810917792 A CN201810917792 A CN 201810917792A CN 108840661 A CN108840661 A CN 108840661A
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yellow glue
parts
glue mud
breathable
highly
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郭艳
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Hefei Han Jia Ceramic Technology Co Ltd
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Hefei Han Jia Ceramic Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/04Clay; Kaolin
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52Constituents or additives characterised by their shapes
    • C04B2235/5284Hollow fibers, e.g. nanotubes
    • C04B2235/5288Carbon nanotubes

Abstract

The present invention relates to a kind of highly-breathable enviroment protective ceramics, are made of raw material from the following weight:20-25 parts of yellow glue mud, 85-110 parts of porcelain stone, 3-5 parts of pore creating material.Highly-breathable enviroment protective ceramic provided by the invention, uses yellow glue mud and porcelain stone for primary raw material, and at low cost, raw material is naturally pollution-free, and manufactured ceramics strength is high, corrosion resistance is strong, and gas permeability is high, and use scope is extensive.

Description

A kind of highly-breathable enviroment protective ceramic
Technical field
The invention belongs to novel environment friendly ceramic fields, and in particular to a kind of highly-breathable enviroment protective ceramic.
Background technique
With the development of modern science technology, occur many new ceramic kinds again in the last hundred years.They are not used Or the traditional ceramics raw material such as clay, feldspar, quartz is rarely employed, but other special materials are used, or even be expanded to non-silicic acid Salt, the range of non-oxidized substance, and there are many new techniques.Therefore the meaning of ceramics has actually much surmounted narrow in the past Narrow traditional concept.
But cradle of the China as ceramics, ceramics in daily life still enrich by use, and in China, ceramics make With very extensive, it can be used for cure foods, storage cargo, when storing certain cargos, such as tealeaves, in order to promote quality, Ceramics intensity not only with higher is generally required, also has higher requirement to its gas permeability, when being used to prepare Potted landscape vessel, It is still very high to the gas permeability requirements of ceramic vessel.
Summary of the invention
The object of the present invention is to provide a kind of highly-breathable enviroment protective ceramics, are prepared using environment-friendly materials, and sintering temperature is low, can To keep ceramics that there is good intensity and gas permeability.
The invention is realized by the following technical scheme:
A kind of highly-breathable enviroment protective ceramic, is made of raw material from the following weight:20-25 parts of yellow glue mud, is made 85-110 parts of porcelain stone 3-5 parts of hole agent.
Preferably, the pore creating material is prepared from the following raw materials by weight:8 parts of carbon nanotube, 22 parts of nano zircite, shell 10 parts of glycan, 7 parts of polyethylene glycol.
Preferably, the polyethylene glycol is Macrogol 4000.
Further, the preparation method of the pore creating material is as follows:
(1), by nano zircite use mass fraction 20% acetum immersion treatment 20min, be washed to neutrality, dry;
(2), treatment fluid will be prepared, treatment fluid is made of following component by weight:4.2 parts of silane coupling agent KH560, nitric acid 0.2 part of yttrium, 1.4 parts of dodecyl sodium sulfate, 1.2 parts of oxalic acid, 50 parts of water are mixed 50min, obtain treatment fluid, carbon is taken to receive Mitron is added in above-mentioned treatment fluid, and using ultrasonication 100min, filtering, drying obtain pretreatment carbon nanotube;
(3), chitosan mixed with polyethylene glycol, handle 20min under the revolving speed of 1500r/min using high speed disperser, so After step is added(1)Obtained nano zircite and step(2)Obtained pretreatment carbon nanotube, is existed using high speed disperser 30min is stirred under the revolving speed of 2000r/min, is then ground, and is sufficiently mixed each raw material uniformly;
(4), by step(3)Obtained mixture isothermal holding 2h at 85-90 DEG C, obtains pore creating material.
Further, the yellow glue mud is handled using following methods,
(1)Clear mud:Yellow glue mud is taken, clear water is added into yellow glue mud, amount of water is 2-3 times of yellow glue mud weight, according to same side Upper layer clear water and floating are removed to stirring 25-30min, then with the ultrasonication 10-15min of 25-30kHz, clarification 30-60h Impurity must pre-process yellow glue mud;
(2)Adjust pH-value:To pretreatment yellow glue mud in be added 3-4 times of weight water measured of yellow glue mud, stir evenly, adjust pH to 5.2-5.8 is staticly settled 4-5 days, is removed upper water, is obtained tone pitch yellow glue mud;
(3)Freezing:Tone pitch yellow glue mud is sieved with 100 mesh sieve, freeze-drying to water content is 12%, must freeze yellow glue mud;
(4)It is aging:Into freezing yellow glue mud plus water is adjusted to water content as 60-70%, is then prepared into clod, carries out after sealing Alternating temperature is aging, continuous transformation temperature when aging, simulates seasonal variations, accelerates the progress of aging process, with making yellow glue shale more Exquisiteness, flexibility is strong, the hardness of material, reduces water absorption rate, must pre-process yellow glue mud.
A kind of highly-breathable enviroment protective ceramic, preparation method are as follows:
(1), porcelain stone crushed, sieve with 100 mesh sieve, mix dispersion with pretreatment yellow glue mud, stir-fry 25- at 150-180 DEG C 30min obtains mixture;
(2), by step(1)The water of 1.5-2 times of mixture weight is added in the mixture of preparation, is stirred with the revolving speed of 300r/min 30min is uniformly mixed raw material, and it is aging to be then sealed in 25-28 DEG C of progresss constant temperature, and the time is 32-45 days;Make yellow glue mud and porcelain Stone raw material is soft, and uniformly porcelain stone and yellow glue mud are mutually filled, and can promote the tightness of material combination;
(3), then be added pore creating material, stirring make raw material be uniformly mixed, carried out at 22-23 DEG C it is aging, the aging time be 20-25 It, obtains aging material;
(4), by step(3)Obtained aging material is beaten repeatedly to bubble-free, and material base is made, then forms;
(5), molding raw material is sintered, temperature is 1125-1180 DEG C, keeps the temperature 18-22h.
Further, the step(4)Alternating temperature it is aging, prior to 25-26 DEG C stand 10 days, then at 10-12 DEG C stand 10 It, stands 10 days, repeatedly 5 times then at -9 ~ -6 DEG C.
Highly-breathable enviroment protective ceramic provided by the invention is basic raw material with yellow glue mud, porcelain stone, and cheap, source is wide General, manufactured product smooth texture is fine and smooth, and feel is thick and heavy;Clear water is first added after taking yellow glue mud, is carried out according to the same direction Stirring, and ultrasound is carried out, it crushes yellow glue mud sufficiently, removes impurity and bubble in yellow glue mud, improve the compactness of raw material;It is clear Add water after mud again, the pH-value for adjusting yellow glue mud is in subacidity, improves the flexibility of yellow glue mud, is made ceramic smooth after firing Exquisiteness, density are high;Yellow glue mud is sieved and is freeze-dried again, promotes the particle of yellow glue mud to crush, increases sophistication, improve The density and hardness of ceramics;After freeze-drying plus water carries out aging, continuous transformation temperature when aging, simulates seasonal variations, accelerates The progress of aging process, with making yellow glue shale finer and smoother, flexibility is strong, improves the hardness and density of ceramics, reduces water absorption rate; It is primary it is aging after frying is carried out to yellow glue mud, promote the particle of yellow glue mud to crush, conducive to the mixing and dispersion with the ingredients such as porcelain stone, Promoted ceramic performance uniformity, and carry out it is secondary aging, make yellow glue mud it is soft uniformly, nano particle can in pore creating material Remaining bubble in yellow glue mud is filled, keeps manufactured billet surface smooth.And the pore creating material of the application intensity after compounding Height enables each raw material matrix to be uniformly dispersed, into one using nano zircite and the polymolecularity and high intensity of carbon nanotube Step promotes the fine and smooth degree and intensity of ceramic.Simultaneously as dispersibility and stability are good, so that bubble is uniform at high temperature Property it is high, using the material of different offer gas, further promote the quantity of bubble, reduce the diameter of bubble.
Beneficial effects of the present invention:Highly-breathable enviroment protective ceramic provided by the invention, uses yellow glue mud and porcelain stone is main Raw material, at low cost, raw material is naturally pollution-free, and manufactured ceramics strength is high, corrosion resistance is strong, and gas permeability is high, use scope Extensively.
Specific embodiment
Embodiment 1
A kind of highly-breathable enviroment protective ceramic, is made of raw material from the following weight:22 parts of yellow glue mud, 96 parts of porcelain stone, pore creating material 3.6 Part.
Preferably, the pore creating material is prepared from the following raw materials by weight:8 parts of carbon nanotube, 22 parts of nano zircite, shell 10 parts of glycan, 7 parts of polyethylene glycol.
Preferably, the polyethylene glycol is Macrogol 4000.
Further, the preparation method of the pore creating material is as follows:
(1), by nano zircite use mass fraction 20% acetum immersion treatment 20min, be washed to neutrality, dry;
(2), treatment fluid will be prepared, treatment fluid is made of following component by weight:4.2 parts of silane coupling agent KH560, nitric acid 0.2 part of yttrium, 1.4 parts of dodecyl sodium sulfate, 1.2 parts of oxalic acid, 50 parts of water are mixed 50min, obtain treatment fluid, carbon is taken to receive Mitron is added in above-mentioned treatment fluid, and using ultrasonication 100min, filtering, drying obtain pretreatment carbon nanotube;
(3), chitosan mixed with polyethylene glycol, handle 20min under the revolving speed of 1500r/min using high speed disperser, so After step is added(1)Obtained nano zircite and step(2)Obtained pretreatment carbon nanotube, is existed using high speed disperser 30min is stirred under the revolving speed of 2000r/min, is then ground, and is sufficiently mixed each raw material uniformly;
(4), by step(3)Obtained mixture isothermal holding 2h at 85-90 DEG C, obtains pore creating material.
Further, the yellow glue mud is handled using following methods,
(1)Clear mud:Yellow glue mud is taken, clear water is added into yellow glue mud, amount of water is 2 times of yellow glue mud weight, according to same direction 28min is stirred, then is removed upper layer clear water and floating impurity with the ultrasonication 12min of 26kHz, clarification 40h, must be pre-processed Yellow glue mud;
(2)Adjust pH-value:To pretreatment yellow glue mud in be added 3.6 times of yellow glue mud weight amount water, stir evenly, adjust pH to 5.5, it staticly settles 4 days, removes upper water, obtain tone pitch yellow glue mud;
(3)Freezing:Tone pitch yellow glue mud is sieved with 100 mesh sieve, freeze-drying to water content is 12%, must freeze yellow glue mud;
(4)It is aging:Adding water to be adjusted to water content into freezing yellow glue mud is 65%, is then prepared into clod, carries out alternating temperature after sealing Aging, continuous transformation temperature when aging simulates seasonal variations, accelerates the progress of aging process, with making yellow glue shale finer and smoother, Flexibility is strong, the hardness of material, reduces water absorption rate, must pre-process yellow glue mud.
A kind of highly-breathable enviroment protective ceramic, preparation method are as follows:
(1), porcelain stone crushed, sieve with 100 mesh sieve, mix dispersion with pretreatment yellow glue mud, stir-fry 28min at 160 DEG C, must mix Material;
(2), by step(1)1.7 times of mixture weight of water is added in the mixture of preparation, is stirred with the revolving speed of 300r/min 30min is uniformly mixed raw material, and it is aging to be then sealed in 26 DEG C of progresss constant temperature, and the time is 40 days;Make yellow glue mud and porcelain stone raw material Soft uniformly porcelain stone and yellow glue mud are mutually filled, and can promote the tightness of material combination;
(3), then be added pore creating material, stirring make raw material be uniformly mixed, carried out at 22-23 DEG C it is aging, the aging time be 22 days, Obtain aging material;
(4), by step(3)Obtained aging material is beaten repeatedly to bubble-free, and material base is made, then forms;
(5), molding raw material is sintered, temperature is 1162 DEG C, keeps the temperature 20h.
Further, the step(4)Alternating temperature it is aging, prior to 25-26 DEG C stand 10 days, then at 10-12 DEG C stand 10 It, stands 10 days, repeatedly 5 times then at -8 DEG C.
Embodiment 2
A kind of highly-breathable enviroment protective ceramic, is made of raw material from the following weight:23 parts of yellow glue mud, 100 parts of porcelain stone, pore creating material 4 Part.
Other processing are the same as embodiment 1.
Embodiment 3
A kind of highly-breathable enviroment protective ceramic, is made of raw material from the following weight:25 parts of yellow glue mud, 105 parts of porcelain stone, pore creating material 4.2 part.
Other processing are the same as embodiment 1.
Embodiment 4
Compared with Example 1, each raw material is directly used in mixed way when prepared by pore creating material, is prepared without using the method in embodiment 1 Pore creating material.
Embodiment 5
Compared with Example 2, yellow glue mud is not handled.
Comparative example 1
Compared with Example 1, in yellow glue mud processing step(4)In, it is aging without alternating temperature, but it is old in 20 DEG C of progress constant temperature It is rotten.
Comparative example 2
Yellow glue mud is not used in raw material.
Comparative example 3
Pore creating material uses starch.
Comparative example 4
Ceramic system for when, use conventional method to carry out base, fire.
Experiment 1
The mechanics and physical property of the ceramics prepared in verifying each group, it is specific as shown in table 1:
Table 1
Note:In morphology of stomata characterization, what Air Bubble Size referred to is the aperture of bubble, and what uniformity referred to is the equal of bubble distribution Even property.
Acid resistance refers to the hydrochloric acid solution processing that ceramic is placed in mass fraction 8%, and the temperature of processing is 25 DEG C, The processing time is 5h, then observes the color of ceramic surface, unchanged to be indicated with " +++ ++ ", fade or surface occur it is rotten Trace is lost, it is corresponding to reduce "+" quantity.
Alkali resistance refers to the hydrochloric acid solution processing that ceramic is placed in mass fraction 8%, and the temperature of processing is 25 DEG C, The processing time is 5h, then observes the color of ceramic surface, unchanged to be indicated with " +++ ++ ", fade or surface occur it is rotten Trace is lost, it is corresponding to reduce "+" quantity.
As shown in Table 1, the comprehensive performance of ceramics of the invention is preferable, has good intensity, even air hole distribution, has Preferable heat insulation, resistance to acid and alkali are also obviously improved.
Experiment 2
In order to verify influence of the preparation method in the application to ceramic performance, the application has carried out experimental verification, and setting is following Check experiment.
Comparative example 5
Step(1)In without stir-frying, other techniques are the same as embodiment 1.
Comparative example 6
In step)(3)In no longer carry out aging processing, other steps are the same as embodiment 1.
Comparative example 7
Temperature is 1200 DEG C when sintering, other steps are the same as embodiment 1.
Comparative example 8
Temperature is 1220 DEG C when sintering, other steps are the same as embodiment 1.
Comparative example 9
Temperature is 1100 DEG C when sintering, other steps are the same as embodiment 1.
Comparative example 10
Temperature is 1120 DEG C when sintering, other steps are the same as embodiment 1.
The intensity of each group ceramics and the form of stomata are tested, the results are shown in Table 2:
Table 2
Table 2
As shown in Table 2, it is handled to method of the invention, can effectively promote the performance of ceramics, after to technique adjustment, There is decline in various degree in the performance of ceramics.

Claims (7)

1. a kind of highly-breathable enviroment protective ceramic, which is characterized in that be made of raw material from the following weight:20-25 parts of yellow glue mud, porcelain 85-110 parts of stone, 3-5 parts of pore creating material.
2. a kind of highly-breathable enviroment protective ceramic according to claim 1, which is characterized in that the pore creating material by weight by Following raw material is made:8 parts of carbon nanotube, 22 parts of nano zircite, 10 parts of chitosan, 7 parts of polyethylene glycol.
3. a kind of highly-breathable enviroment protective ceramic according to claim 1, which is characterized in that the polyethylene glycol is poly- second two Alcohol 4000.
4. a kind of highly-breathable enviroment protective ceramic according to claim 2, which is characterized in that the preparation method of the pore creating material It is as follows:
(1), by nano zircite use mass fraction 20% acetum immersion treatment 20min, be washed to neutrality, dry;
(2), treatment fluid will be prepared, treatment fluid is made of following component by weight:4.2 parts of silane coupling agent KH560, nitric acid 0.2 part of yttrium, 1.4 parts of dodecyl sodium sulfate, 1.2 parts of oxalic acid, 50 parts of water are mixed 50min, obtain treatment fluid, carbon is taken to receive Mitron is added in above-mentioned treatment fluid, and using ultrasonication 100min, filtering, drying obtain pretreatment carbon nanotube;
(3), chitosan mixed with polyethylene glycol, handle 20min under the revolving speed of 1500r/min using high speed disperser, so After step is added(1)Obtained nano zircite and step(2)Obtained pretreatment carbon nanotube, is existed using high speed disperser 30min is stirred under the revolving speed of 2000r/min, is then ground, and is sufficiently mixed each raw material uniformly;
(4), by step(3)Obtained mixture isothermal holding 2h at 85-90 DEG C, obtains pore creating material.
5. a kind of highly-breathable enviroment protective ceramic described in one of -4 according to claim 1, which is characterized in that the yellow glue mud uses Following methods are handled,
(1)Clear mud:Yellow glue mud is taken, clear water is added into yellow glue mud, amount of water is 2-3 times of yellow glue mud weight, according to same side Upper layer clear water and floating are removed to stirring 25-30min, then with the ultrasonication 10-15min of 25-30kHz, clarification 30-60h Impurity must pre-process yellow glue mud;
(2)Adjust pH-value:To pretreatment yellow glue mud in be added 3-4 times of weight water measured of yellow glue mud, stir evenly, adjust pH to 5.2-5.8 is staticly settled 4-5 days, is removed upper water, is obtained tone pitch yellow glue mud;
(3)Freezing:Tone pitch yellow glue mud is sieved with 100 mesh sieve, freeze-drying to water content is 12%, must freeze yellow glue mud;
(4)It is aging:Into freezing yellow glue mud plus water is adjusted to water content as 60-70%, is then prepared into clod, carries out after sealing Alternating temperature is aging, must pre-process yellow glue mud.
6. a kind of highly-breathable enviroment protective ceramic according to claim 5, which is characterized in that the step(4)Alternating temperature it is old Corruption, stands 10 days prior to 25-26 DEG C, stands 10 days then at 10-12 DEG C, stands 10 days, repeatedly 5 times then at -9 ~ -6 DEG C.
7. a kind of highly-breathable enviroment protective ceramic according to claim 5, which is characterized in that preparation method is as follows:
(1), porcelain stone crushed, sieve with 100 mesh sieve, mix dispersion with pretreatment yellow glue mud, stir-fry 25- at 150-180 DEG C 30min obtains mixture;
(2), by step(1)The water of 1.5-2 times of mixture weight is added in the mixture of preparation, is stirred with the revolving speed of 300r/min 30min is uniformly mixed raw material, and it is aging to be then sealed in 25-28 DEG C of progresss constant temperature, and the time is 32-45 days;
(3), then be added pore creating material, stirring make raw material be uniformly mixed, carried out at 22-23 DEG C it is aging, the aging time be 20-25 It, obtains aging material;
(4), by step(3)Obtained aging material is beaten repeatedly to bubble-free, and material base is made, then forms;
(5), molding raw material is sintered, temperature is 1125-1180 DEG C, keeps the temperature 18-22h.
CN201810917792.7A 2018-08-13 2018-08-13 A kind of highly-breathable enviroment protective ceramic Pending CN108840661A (en)

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CN110723980A (en) * 2019-10-25 2020-01-24 八龙应用材料科技(海南)有限公司 Preparation method of mesoporous sound-absorbing porous ceramic

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109665861A (en) * 2019-01-08 2019-04-23 沈阳理工大学 A kind of high intensity foamy carbon and preparation method thereof
CN110723980A (en) * 2019-10-25 2020-01-24 八龙应用材料科技(海南)有限公司 Preparation method of mesoporous sound-absorbing porous ceramic

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