CN107141011A - Discoloration water-permeable brick with gradient pores structure and preparation method thereof - Google Patents
Discoloration water-permeable brick with gradient pores structure and preparation method thereof Download PDFInfo
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- CN107141011A CN107141011A CN201710326140.1A CN201710326140A CN107141011A CN 107141011 A CN107141011 A CN 107141011A CN 201710326140 A CN201710326140 A CN 201710326140A CN 107141011 A CN107141011 A CN 107141011A
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- permeable brick
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0038—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter
- C04B38/0041—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter the particulate matter having preselected particle sizes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/14—Colouring matters
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B2235/34—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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B2235/34—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
- C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Dispersion Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Finishing Walls (AREA)
Abstract
The invention belongs to building material technical field, and in particular to a kind of discoloration water-permeable brick with gradient pores structure and preparation method thereof.Discoloration water-permeable brick with gradient pores structure includes becoming color surface layer and base layer, become color surface layer to be made up of inoganic solids waste granules, photo chromic glass particle, clay, albite and water glass solution, base layer is made up of inoganic solids waste granules, clay, albite and water glass solution.Water-permeable brick of the present invention has two significant advantages：One is water-permeable brick is had to ambient lighting or temperature change color changeable effect, enriches the decorative effect of water-permeable brick, can simultaneously serve as carrying out warning monitoring to ambient lighting or temperature；Two be that electrochromic particles are made in the glass waste that can make full use of photo chromic glass industry.
Description
Technical field
The invention belongs to building material technical field, and in particular to a kind of discoloration water-permeable brick with gradient pores structure and its
Preparation method.
Background technology
Water-permeable brick is a kind of urban water-through pavement material grown up in recent years, by the green grass or young crops of each Municipal department
Look at.With the rise and development of sponge urban construction, the demand to water-permeable brick is increasingly vigorous.Material also gradually develops ceramic saturating
Water brick, concrete permeable brick, sand base water-permeable brick, slag water-permeable brick, mine tailing water-permeable brick etc.；And gradually in the function of concern water-permeable brick
Change, such as there is water-permeable brick, the luminous effect water-permeable brick of photo-catalysis function, but there is no the water-permeable brick with color changeable effect at present.
It is relatively ripe in terms of the research and development of photo chromic glass at present, kind also product such as organic photo chromic glass and inorganic photo chromic glass
Kind, Discoloration mechanism has the kinds such as (28-35 DEG C) discoloration of photochromic, thermic and electrochromism.With reference to the production technology of water-permeable brick,
Inorganic photo chromic glass is to be formed by high temperature melting, can bear relatively low firing temperature in water-permeable brick production, can be with
Brick is fired into together as adding ingredient, and other raw materials with this kind of inorganic photo chromic glass particle, so as to obtain with discoloration effect
The water-permeable brick of fruit.It is to need to study suitable matrix and surface layer mixture formula to prepare one of difficult point of this discoloration water-permeable brick,
Make the firing temperature of the two basically identical, and control near the melting range of photo chromic glass.
The content of the invention
It is an object of the invention to provide a kind of discoloration water-permeable brick with gradient pores structure, water-permeable brick can be made in ambient light
According to or temperature change in the case of, color changes；Invention also provides the discoloration water-permeable brick with gradient pores structure
Preparation method, it is scientific and reasonable, simple and easy to apply.
Discoloration water-permeable brick of the present invention with gradient pores structure, including become color surface layer and base layer, become color surface layer
It is made up of inoganic solids waste granules, photo chromic glass particle, clay, albite and water glass solution, base layer is by inoganic solids
Waste granules, clay, albite and water glass solution are made.
The described granularity for becoming inoganic solids waste granules in color surface layer is 1-2.5mm.
Described inoganic solids waste granules are shraff particle or refractory waste particle.
Described photo chromic glass particle is inorganic photochromic glass particle or anorganic thermochromic glass particle.
The granularity of described photo chromic glass particle is 3-5mm.
Described clay is kaolin.
The mass concentration of described water glass solution is 30-35%.
The granularity of inoganic solids waste granules is 3-5mm in described base layer.
Inoganic solids waste granules, photo chromic glass particle, clay, albite and water glass solution in described change color surface layer
Weight ratio be 60-70：10-20：1-5：1-5：1-10.
Inoganic solids waste granules in described base layer, clay, the weight of albite and water glass solution compare 60-85：
1-5：1-5：1-10.
The preparation method of discoloration water-permeable brick of the present invention with gradient pores structure, step is as follows：
(1) inoganic solids waste granules, photo chromic glass particle, clay, albite and water glass solution are well mixed, obtained
To discoloration surface layer mixture；
(2) inoganic solids waste granules, clay, albite and water glass solution are well mixed, obtain base layer mixing
Material；
(3) cloth discoloration surface layer mixture 5-8mm is first filled out in metal die, then cloth base layer compound is filled out thereon, so
Once it is press-formed afterwards, pressure 20-25MPa；
(4) adobe pressed is dried after 8-12h at 110-150 DEG C, is put at 950-1050 DEG C and fires 1-2h, it is natural
After cooling, produce.
The present invention uses the inoganic solids such as ceramics, refractory material waste granules for aggregate, photochromic or thermochromism glass
Glass particle is discoloration composition, and clay and albite are high-temperature agglomerant, and water glass solution is additional adhesive.
Water-permeable brick of the present invention has gradient pores structure, i.e. the aperture of top layer change color surface layer is smaller, and base layer aperture is larger, this
Plant what gradient pores structure was produced mainly due to the aggregate size difference of this two layers use.
The present invention uses cloth twice when discoloration surface layer mixture and base layer compound are pressed into adobe, once suppresses
Shaping；The need for obtained water-permeable brick can meet municipal sector construction sponge city.
Due to the melting temperature of the more inorganic photo chromic glass particle of the firing temperature of general ceramic particle and fire resisting material particle
It is of a relatively high.Therefore main base layer and the change color surface layer of being adjusted using low melting point albite and waterglass content is mixed in the present invention
The firing temperature of material is reduced near the melt temperature scope of inorganic photo chromic glass particle, and makes the firing temperature of two kinds of compounds
Basically reach consistent.
The present invention compared with prior art, has the advantages that：
Water-permeable brick of the present invention has two significant advantages：One is water-permeable brick is had to ambient lighting or temperature change
Color changeable effect, enriches the decorative effect of water-permeable brick, can simultaneously serve as carrying out warning monitoring to ambient lighting or temperature；Two
It is that electrochromic particles are made in the glass waste that can make full use of photo chromic glass industry.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
In figure：1st, color surface layer is become；2nd, base layer.
Embodiment
The present invention is described further with reference to embodiments.
Embodiment 1
1-2.5mm shrafves particle, photochromic glass particle for discoloration composition (3-5mm), kaolin, albite,
Mass concentration is 30% water glass solution, and ratio is respectively 65：15：5：5：Discoloration face is made than well mixed in 10 weight
Layer compound.
The water glass solution that 3-5mm shrafves particle, kaolin, albite, mass concentration are 30% is respectively according to 80：
5：5：Base layer compound is made than well mixed in 10 weight.
Cloth twice is used when above-mentioned compound is pressed into adobe, it is once compressing, i.e., first filled out in metal die
Cloth discoloration surface layer mixture 5mm；Cloth base layer compound is filled out thereon again, is then once press-formed, pressure 20MPa.Will pressure
Good adobe is dried at 110 DEG C after 8h, is put at 950 DEG C and is fired 2h, is obtained after natural cooling with gradient pores structure and change
The water-permeable brick of color effect.Water-permeable brick performance indications are shown in Table 1.
Embodiment 2
1-2.5mm shrafves particle, thermochromism glass particle for discoloration composition (3-5mm), kaolin, albite,
Mass concentration is 30% water glass solution, and ratio is respectively 65：15：5：5：Discoloration face is made than well mixed in 10 weight
Layer compound.
The water glass solution that 3-5mm shrafves particle, kaolin, albite, mass concentration are 30% is respectively according to 80：
5：5：Base layer compound is made than well mixed in 10 weight.
Cloth twice is used when above-mentioned compound is pressed into adobe, it is once compressing, i.e., first filled out in metal die
Cloth discoloration surface layer mixture 8mm；Cloth base layer compound is filled out thereon again, is then once press-formed, pressure 25MPa.Will pressure
Good adobe dry at 150 DEG C after 12h, is put at 1050 DEG C and is fired 1h, obtained after natural cooling with gradient pores structure with
The water-permeable brick of color changeable effect.Water-permeable brick performance indications are shown in Table 1.
Embodiment 3
1-2.5mm shrafves particle, photochromic glass particle for discoloration composition (3-5mm), kaolin, albite,
Mass concentration is 30% water glass solution, and ratio is respectively 70：12：4：4：Discoloration face is made than well mixed in 10 weight
Layer compound.
The water glass solution that 3-5mm shrafves particle, kaolin, albite, mass concentration are 30% is respectively according to 82：
4：4：Base layer compound is made than well mixed in 10 weight.
Cloth twice is used when above-mentioned compound is pressed into adobe, it is once compressing, i.e., first filled out in metal die
Cloth discoloration surface layer mixture 6mm；Cloth base layer compound is filled out thereon again, is then once press-formed, pressure 23MPa.Will pressure
Good adobe is dried at 120 DEG C after 10h, is put at 1000 DEG C and is fired 1.5h, is obtained after natural cooling with gradient pores structure
With the water-permeable brick of color changeable effect.Water-permeable brick performance indications are shown in Table 1.
Embodiment 4
1-2.5mm refractory wastes particle, photochromic glass particle are long for discoloration composition (3-5mm), kaolin, sodium
Stone, mass concentration are 30% water glass solution, and ratio is respectively 65：15：5：5：Discoloration is made than well mixed in 10 weight
Surface layer mixture.
3-5mm refractory wastes particle, kaolin, albite, mass concentration are pressed respectively for 30% water glass solution
According to 80：5：5：Base layer compound is made than well mixed in 10 weight.
Cloth twice is used when above-mentioned compound is pressed into adobe, it is once compressing, i.e., first filled out in metal die
Cloth discoloration surface layer mixture 7mm；Cloth base layer compound is filled out thereon again, is then once press-formed, pressure 21MPa.Will pressure
Good adobe is dried at 120 DEG C after 9h, is put at 1050 DEG C and is fired 1h, is obtained after natural cooling with gradient pores structure and change
The water-permeable brick of color effect.Water-permeable brick performance indications are shown in Table 1.
Water-permeable brick performance indications prepared by the embodiment 1-4 of table 1
| Case No | Compression strength, MPa | Coefficient of permeability, mm/s |
| Embodiment 1 | 101 | 0.23 |
| Embodiment 2 | 96 | 0.25 |
| Embodiment 3 | 92 | 0.25 |
| Embodiment 4 | 84 | 0.28 |
Claims (10)
1. a kind of discoloration water-permeable brick with gradient pores structure, including become color surface layer and base layer, it is characterised in that become color surface layer
It is made up of inoganic solids waste granules, photo chromic glass particle, clay, albite and water glass solution, base layer is by inoganic solids
Waste granules, clay, albite and water glass solution are made.
2. the discoloration water-permeable brick according to claim 1 with gradient pores structure, it is characterised in that described change color surface layer
The granularity of middle inoganic solids waste granules is 1-2.5mm.
3. the discoloration water-permeable brick according to claim 1 with gradient pores structure, it is characterised in that described inoganic solids
Waste granules are shraff particle or refractory waste particle.
4. the discoloration water-permeable brick according to claim 1 with gradient pores structure, it is characterised in that described photo chromic glass
Particle is inorganic photochromic glass particle or anorganic thermochromic glass particle.
5. the discoloration water-permeable brick according to claim 1 with gradient pores structure, it is characterised in that described photo chromic glass
The granularity of particle is 3-5mm.
6. the discoloration water-permeable brick according to claim 1 with gradient pores structure, it is characterised in that described waterglass is molten
The mass concentration of liquid is 30-35%.
7. the discoloration water-permeable brick according to claim 1 with gradient pores structure, it is characterised in that in described base layer
The granularity of inoganic solids waste granules is 3-5mm.
8. the discoloration water-permeable brick according to claim 1 with gradient pores structure, it is characterised in that described change color surface layer
Middle inoganic solids waste granules, photo chromic glass particle, clay, the weight ratio of albite and water glass solution are 60-70：10-20：
1-5：1-5：1-10.
9. the discoloration water-permeable brick according to claim 1 with gradient pores structure, it is characterised in that in described base layer
Inoganic solids waste granules, clay, the weight of albite and water glass solution compare 60-85：1-5：1-5：1-10.
10. a kind of preparation method of any described discoloration water-permeable bricks with gradient pores structure of claim 1-9, its feature exists
It is as follows in step：
(1) inoganic solids waste granules, photo chromic glass particle, clay, albite and water glass solution are well mixed, become
Color surface layer compound；
(2) inoganic solids waste granules, clay, albite and water glass solution are well mixed, obtain base layer compound；
(3) cloth discoloration surface layer mixture 5-8mm is first filled out in metal die, then fills out thereon cloth base layer compound, Ran Houyi
Secondary extrusion forming, pressure 20-25MPa；
(4) adobe pressed is dried after 8-12h at 110-150 DEG C, is put at 950-1050 DEG C and fires 1-2h, natural cooling
Afterwards, produce.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710326140.1A CN107141011B (en) | 2017-05-10 | 2017-05-10 | Color-changing water permeable brick with porous gradient structure and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710326140.1A CN107141011B (en) | 2017-05-10 | 2017-05-10 | Color-changing water permeable brick with porous gradient structure and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107141011A true CN107141011A (en) | 2017-09-08 |
| CN107141011B CN107141011B (en) | 2020-07-03 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249951A (en) * | 2018-02-07 | 2018-07-06 | 广东英超陶瓷有限公司 | A kind of preparation method for the water-permeable brick that changes colour |
| CN108328972A (en) * | 2018-02-07 | 2018-07-27 | 广东英超陶瓷有限公司 | A kind of discoloration water-permeable brick |
| CN108585781A (en) * | 2018-05-22 | 2018-09-28 | 景德镇陶瓷大学 | It is suitble to the preparation method of the ceramic water-permeable brick of low temperature fast firing |
| CN110156424A (en) * | 2019-05-05 | 2019-08-23 | 山东大学 | A color-changing non-burning permeable brick using solid waste and its preparation method |
| CN110372331A (en) * | 2019-05-16 | 2019-10-25 | 柳晶（溧阳）环保科技有限公司 | A kind of discoloration water-permeable brick and preparation method thereof |
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| CN1420233A (en) * | 2001-11-17 | 2003-05-28 | 山东中博先进材料股份有限公司 | Permeable floor brick and mfg. method thereof |
| CN101922217A (en) * | 2009-06-11 | 2010-12-22 | 张金萍 | Color changing brick or color changing tile |
| CN102351508A (en) * | 2011-06-10 | 2012-02-15 | 广东省枫溪陶瓷工业研究所 | Production method for colorful ceramic permeable brick by using waste porcelain |
| CN106396405A (en) * | 2016-08-29 | 2017-02-15 | 佛山市高明区明城镇新能源新材料产业技术创新中心 | Photochromic ceramic tile and preparation method thereof |
| CN106396394A (en) * | 2016-08-29 | 2017-02-15 | 佛山市高明区诚睿基科技有限公司 | Ecological ceramic tile and preparation method thereof |
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| CN1420233A (en) * | 2001-11-17 | 2003-05-28 | 山东中博先进材料股份有限公司 | Permeable floor brick and mfg. method thereof |
| CN101922217A (en) * | 2009-06-11 | 2010-12-22 | 张金萍 | Color changing brick or color changing tile |
| CN102351508A (en) * | 2011-06-10 | 2012-02-15 | 广东省枫溪陶瓷工业研究所 | Production method for colorful ceramic permeable brick by using waste porcelain |
| CN106396405A (en) * | 2016-08-29 | 2017-02-15 | 佛山市高明区明城镇新能源新材料产业技术创新中心 | Photochromic ceramic tile and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249951A (en) * | 2018-02-07 | 2018-07-06 | 广东英超陶瓷有限公司 | A kind of preparation method for the water-permeable brick that changes colour |
| CN108328972A (en) * | 2018-02-07 | 2018-07-27 | 广东英超陶瓷有限公司 | A kind of discoloration water-permeable brick |
| CN108249951B (en) * | 2018-02-07 | 2020-06-23 | 广东英超陶瓷有限公司 | Preparation method of color-changing water permeable brick |
| CN108585781A (en) * | 2018-05-22 | 2018-09-28 | 景德镇陶瓷大学 | It is suitble to the preparation method of the ceramic water-permeable brick of low temperature fast firing |
| CN110156424A (en) * | 2019-05-05 | 2019-08-23 | 山东大学 | A color-changing non-burning permeable brick using solid waste and its preparation method |
| CN110156424B (en) * | 2019-05-05 | 2020-11-06 | 山东大学 | Color-changing baking-free water permeable brick utilizing solid wastes and preparation method |
| CN110372331A (en) * | 2019-05-16 | 2019-10-25 | 柳晶（溧阳）环保科技有限公司 | A kind of discoloration water-permeable brick and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107141011B (en) | 2020-07-03 |
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Denomination of invention: Discolored permeable brick with pore gradient structure and its preparation method Effective date of registration: 20220622 Granted publication date: 20200703 Pledgee: Zibo Branch of China Post Savings Bank Co.,Ltd. Pledgor: ZIBO TIANZHIRUN ECOLOGICAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980008565 |
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