CN105645896A - Floor tile prepared by using waste and old tyres and preparation method thereof - Google Patents
Floor tile prepared by using waste and old tyres and preparation method thereof Download PDFInfo
- Publication number
- CN105645896A CN105645896A CN201511013647.9A CN201511013647A CN105645896A CN 105645896 A CN105645896 A CN 105645896A CN 201511013647 A CN201511013647 A CN 201511013647A CN 105645896 A CN105645896 A CN 105645896A
- Authority
- CN
- China
- Prior art keywords
- parts
- floor tile
- junked tire
- waste
- prepare
- 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.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims description 13
- 239000002699 waste material Substances 0.000 title abstract 8
- 239000004576 sand Substances 0.000 claims abstract description 14
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 239000002808 molecular sieve Substances 0.000 claims abstract description 13
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 239000000049 pigment Substances 0.000 claims abstract description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 239000010920 waste tyre Substances 0.000 claims description 10
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical group C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000010025 steaming Methods 0.000 claims description 8
- 108010010803 Gelatin Proteins 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 229920000159 gelatin Polymers 0.000 claims description 5
- 239000008273 gelatin Substances 0.000 claims description 5
- 235000019322 gelatine Nutrition 0.000 claims description 5
- 235000011852 gelatine desserts Nutrition 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000004040 coloring Methods 0.000 claims description 4
- 229910052957 realgar Inorganic materials 0.000 claims description 4
- 241000692870 Inachis io Species 0.000 claims description 3
- 239000011504 laterite Substances 0.000 claims description 3
- 229910001710 laterite Inorganic materials 0.000 claims description 3
- 229910052882 wollastonite Inorganic materials 0.000 claims description 3
- 239000010456 wollastonite Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000000919 ceramic Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 1
- 239000004571 lime Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000011449 brick Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 239000004566 building material Substances 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011468 face brick Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/024—Steam hardening, e.g. in an autoclave
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/54—Pigments; Dyes
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/60—Flooring materials
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a floor tile prepared by using waste and old tyres. The floor tile is prepared by following components in parts by weight: 35-45 parts of waste and old tyre particles, 10-15 parts of cement, 8-15 parts of lime, 15-26 parts of pottery sand, 12-18 parts of a waste molecular sieve catalyst, 5-10 parts of a pigment, 0.5-1.2 parts of an adhesive and 20-32 parts of water. The waste and old tyre particles, the pottery sand and the waste molecular sieve catalyst are the main raw materials, the production cost is low, and the economic benefit is high, and the problem of high ceramic floor tile price is solved. The floor tile is advantageous in that wastes are used as raw materials for production, consumption of natural resource is reduced, waste materials are utilized, environment pollution is reduced, and circular economy development requirement is met; a high pressure steam curing process is used, so that product maintenance period is shortened, the product can be sold at the same day, occupation of storage yard for products is minimized, and capital turnover of enterprise is accelerated; the floor tile product has physical and mechanical properties, and the national standard requirement is met.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of floor tile utilizing junked tire to prepare and preparation method thereof.
Background technology
Along with improving constantly of people's living standard, people also constantly strengthen for beautiful pursuit, environmental consciousness is also more and more heavier, therefore urban municipal road construction also strengthens therewith, and the Novel floor brick in town road construction, it is mainly paved at the facilities such as park, square, garden, body-building venue, residential quarters as road surface boundary, Novel floor brick is as road surface ornament materials, use extremely extensive, but the Novel floor brick great majority that currently use remain to be made with materials such as sand, stone, cement, expending substantial amounts of material, cost is high, not environmentally. And its shape, structure have followed one-hundred-year history, it appears outmoded backwardness, its muddy dark surface layer can not effectively, clearly distinguish road surface boundary, therefore can not be well adapted for construction requirements and the development of modern city.
Along with developing rapidly of modernization construction, the active index of building trade is more and more higher. In recent years, the Development of Urbanization of China is incremental, and urban road hardens, real estate investment is growing on and on, and the competition between real estate investment industry also grows in intensity, and how can reduce investment and ensure construction quality, the parent obtaining consumer looks at, and becomes the major issue that they consider. Simultaneously for building material industry, how to produce the product of low-price high-quality, them could be allowed to lead market. At present, ceramic floor brick is come out top with the performance of its excellence, which overcomes the defect of commonly face brick microcellular structure, has the advantage that high-effective water-proof is antifouling, but, its production cost is high, expensive, it is impossible to meet the demand of each stratum personage. Therefore, seek a kind of low cost, the floor tile of high-quality performance becomes the problem that building trade is urgent.
Summary of the invention
It is an object of the invention to make full use of existing resource, select junked tire as raw materials for production, it is provided that a kind of technique is simple, floor tile that with low cost, density is low, intensity is high and preparation method thereof.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of floor tile utilizing junked tire to prepare, it is characterized in that, the component of following weight portion prepare: waste tyre particle 35-45 part, cement 10-15 part, Calx 8-15 part, pottery sand 15-26 part, catalyst of deposed molecular sieve 12-18 part, pigment 5-10 part, adhesive 0.5-1.2 part, water 20-32 part.
Preferably, the component of following weight portion prepare: waste tyre particle 40 parts, cement 13 parts, 11 parts of Calx, pottery 21 parts of sand, catalyst of deposed molecular sieve 15 parts, pigment 8 parts, adhesive 1.0 parts, 26 parts of water.
Preferably, described adhesive is Colophonium, Colophonium or gelatin.
Preferably, described pigment is coloring earth. It is further preferred that described coloring earth is one or more in Cinnabaris, laterite, Realgar, peacock green, wollastonite.
The preparation method of a kind of above-mentioned floor tile utilizing junked tire to prepare, it is characterised in that comprise the following steps: (1) weighs each raw material for standby in proportion, then be mixed in blender by each group of material to be stirred 5-15 minute, obtain the slurry of mix homogeneously; (2) above-mentioned slurry is injected in the mould of required form, shakes compacting, the demoulding after placing 8-12 hour under field conditions (factors), obtain product base substrate; (3) by base substrate 190��210 DEG C, 1.5��1.8MPa when high-pressure steaming and cultivating 6-10 hour, namely obtain floor tile product after cooling.
Preferably, the mixing time in step (1) is 12 minutes.
Preferably, the standing time in step (2) is 10 hours.
Preferably, the temperature of step (3) high-pressure steaming and cultivating is 200 DEG C, and pressure is 1.6Mpa, and the time is 8 hours.
The present invention has the advantage that and has the benefit effect that
The present invention adopts junked tire, pottery sand, catalyst of deposed molecular sieve to be primary raw material, and production cost is low, high financial profit, solves the expensive problem of ceramic floor brick; Utilize garbage for raw material production, reduce the consumption of natural resources, both accomplished twice laid, and environmental pollution can have been reduced again, beautify the environment, meet recycling economy development; Adopting high-pressure steaming and cultivating technique, reduce product curing cycle, product can be sold the same day, reduces product stockyard and takies, and accelerates business capital turnover; Floor tile product provided by the invention possesses enough physical and mechanical properties the requirement that is up to state standards.
By the examples below the present invention it is specifically described and illustrates:
Embodiment 1
A kind of floor tile utilizing junked tire to prepare, is prepared by the component of following weight portion: waste tyre particle 35 parts, cement 10 parts, 8 parts of Calx, pottery 15 parts of sand, catalyst of deposed molecular sieve 12 parts, 5 parts of laterite, Colophonium 0.5 part, 20 parts of water.
Embodiment 2
A kind of floor tile utilizing junked tire to prepare, is prepared by the component of following weight portion: waste tyre particle 45 parts, cement 15 parts, 15 parts of Calx, pottery 26 parts of sand, catalyst of deposed molecular sieve 18 parts, 10 parts of Cinnabaris, Colophonium 1.2 parts, 32 parts of water.
Embodiment 3
A kind of floor tile utilizing junked tire to prepare, is prepared by the component of following weight portion: waste tyre particle 40 parts, cement 13 parts, 11 parts of Calx, pottery 21 parts of sand, catalyst of deposed molecular sieve 15 parts, Realgar 8 parts, 1.0 parts of gelatin, 26 parts of water.
Embodiment 4
A kind of floor tile utilizing junked tire to prepare, is prepared by the component of following weight portion: waste tyre particle 40 parts, cement 13 parts, 11 parts of Calx, pottery 21 parts of sand, catalyst of deposed molecular sieve 15 parts, Realgar 8 parts, 0.5 part of gelatin, Colophonium 0.5 part, 26 parts of water.
Embodiment 5
A kind of floor tile utilizing junked tire to prepare, is prepared by the component of following weight portion: waste tyre particle 38 parts, cement 12 parts, 10 parts of Calx, pottery 18 parts of sand, catalyst of deposed molecular sieve 13 parts, peacock green 7 parts, 0.7 part of gelatin, 23 parts of water.
Embodiment 6
A kind of floor tile utilizing junked tire to prepare, is prepared by the component of following weight portion: waste tyre particle 43 parts, cement 14 parts, 13 parts of Calx, pottery 24 parts of sand, catalyst of deposed molecular sieve 17 parts, wollastonite 9 parts, Colophonium 1.1 parts, 30 parts of water.
The following is the preparation method of the floor tile utilizing junked tire to prepare in embodiment 1-6 is:
Wherein, the preparation method of floor tile described in embodiment 1-2 is: comprise the following steps: (1) weighs each raw material for standby in proportion, then is mixed in blender by each group of material to be stirred 5 minutes, obtain the slurry of mix homogeneously; (2) above-mentioned slurry is injected in the mould of required form, shakes compacting, the demoulding after placing 8 hours under field conditions (factors), obtain product base substrate; (3) by base substrate 190 DEG C, 1.5MPa when high-pressure steaming and cultivating 6 hours, namely obtain floor tile product after cooling.
Wherein, the preparation method of floor tile described in embodiment 5-6 is: comprise the following steps: (1) weighs each raw material for standby in proportion, then is mixed in blender by each group of material to be stirred 12 minutes, obtain the slurry of mix homogeneously; (2) above-mentioned slurry is injected in the mould of required form, shakes compacting, the demoulding after placing 10 hours under field conditions (factors), obtain product base substrate; (3) by base substrate 200 DEG C, 1.6MPa when high-pressure steaming and cultivating 8 hours, namely obtain floor tile product after cooling.
Wherein, the preparation method of floor tile described in embodiment 5-6 is: comprise the following steps: (1) weighs each raw material for standby in proportion, then is mixed in blender by each group of material to be stirred 15 minutes, obtain the slurry of mix homogeneously; (2) above-mentioned slurry is injected in the mould of required form, shakes compacting, the demoulding after placing 12 hours under field conditions (factors), obtain product base substrate; (3) by base substrate 210 DEG C, 1.8MPa when high-pressure steaming and cultivating 10 hours, namely obtain floor tile product after cooling.
Claims (9)
1. the floor tile utilizing junked tire to prepare, it is characterized in that, the component of following weight portion prepare: waste tyre particle 35-45 part, cement 10-15 part, Calx 8-15 part, pottery sand 15-26 part, catalyst of deposed molecular sieve 12-18 part, pigment 5-10 part, adhesive 0.5-1.2 part, water 20-32 part.
2. the floor tile utilizing junked tire to prepare according to claim 1, it is characterized in that, the component of following weight portion prepare: waste tyre particle 40 parts, cement 13 parts, 11 parts of Calx, pottery 21 parts of sand, catalyst of deposed molecular sieve 15 parts, pigment 8 parts, adhesive 1.0 parts, 26 parts of water.
3. the floor tile utilizing junked tire to prepare according to claim 1, it is characterised in that described adhesive is Colophonium, Colophonium or gelatin.
4. the floor tile utilizing junked tire to prepare according to claim 1, it is characterised in that described pigment is coloring earth.
5. the floor tile utilizing junked tire to prepare according to claim 4, it is characterised in that described coloring earth is one or more in Cinnabaris, laterite, Realgar, peacock green, wollastonite.
6. the preparation method of the floor tile utilizing junked tire to prepare described in an any one of claim 1-5, it is characterized in that comprising the following steps: (1) weighs each raw material for standby in proportion, it is mixed in blender by each group of material again to be stirred 5-15 minute, obtain the slurry of mix homogeneously;(2) above-mentioned slurry is injected in the mould of required form, shakes compacting, the demoulding after placing 8-12 hour under field conditions (factors), obtain product base substrate; (3) by base substrate 190��210 DEG C, 1.5��1.8MPa when high-pressure steaming and cultivating 6-10 hour, namely obtain floor tile product after cooling.
7. the preparation method of the floor tile utilizing junked tire to prepare according to claim 6, it is characterised in that the mixing time in step (1) is 12 minutes.
8. the preparation method of the floor tile utilizing junked tire to prepare according to claim 6, it is characterised in that the standing time in step (2) is 10 hours.
9. the preparation method of the floor tile utilizing junked tire to prepare according to claim 6, it is characterised in that the temperature of step (3) high-pressure steaming and cultivating is 200 DEG C, pressure is 1.6Mpa, and the time is 8 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511013647.9A CN105645896A (en) | 2015-12-31 | 2015-12-31 | Floor tile prepared by using waste and old tyres and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511013647.9A CN105645896A (en) | 2015-12-31 | 2015-12-31 | Floor tile prepared by using waste and old tyres and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105645896A true CN105645896A (en) | 2016-06-08 |
Family
ID=56477816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511013647.9A Pending CN105645896A (en) | 2015-12-31 | 2015-12-31 | Floor tile prepared by using waste and old tyres and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105645896A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108341644A (en) * | 2018-05-21 | 2018-07-31 | 中国建筑材料科学研究总院有限公司 | The curing of heavy metal in a kind of dead catalyst |
| CN108358609A (en) * | 2018-02-13 | 2018-08-03 | 北京大学 | A kind of water-permeable brick and preparation method thereof prepared by basalt tailing |
| CN109305778A (en) * | 2017-11-16 | 2019-02-05 | 中国石油化工股份有限公司 | A kind of catalytic cracking spent catalyst prepares non-burning brick method |
| CN112011107A (en) * | 2020-09-28 | 2020-12-01 | 长沙理工大学 | Improved waste tire particle material and preparation method thereof |
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| US20050182160A1 (en) * | 2005-04-12 | 2005-08-18 | Dr. Fereydoon Milani Nejad | Polymer Modified Bricks |
| KR20070003738A (en) * | 2006-03-08 | 2007-01-05 | 황익현 | Method for asphalt concrete pavement and method for manufacturing blocks using aggregates reproduced from waste asphalt concrete |
| CN103121830A (en) * | 2013-02-06 | 2013-05-29 | 中国科学院广州能源研究所 | Ecological floor tile and manufacturing method thereof |
| CN103588428A (en) * | 2013-10-25 | 2014-02-19 | 黑生贤 | Formula for producing floor tile by using waste plastics, and technology thereof |
| CN104446190A (en) * | 2014-11-12 | 2015-03-25 | 安徽福来缘建材有限公司 | Thermal-insulation and anti-corrosion aerated brick and preparation method thereof |
| CN104844258A (en) * | 2015-05-04 | 2015-08-19 | 河南理工大学 | Aerating block with waste rubber |
-
2015
- 2015-12-31 CN CN201511013647.9A patent/CN105645896A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050182160A1 (en) * | 2005-04-12 | 2005-08-18 | Dr. Fereydoon Milani Nejad | Polymer Modified Bricks |
| KR20070003738A (en) * | 2006-03-08 | 2007-01-05 | 황익현 | Method for asphalt concrete pavement and method for manufacturing blocks using aggregates reproduced from waste asphalt concrete |
| CN103121830A (en) * | 2013-02-06 | 2013-05-29 | 中国科学院广州能源研究所 | Ecological floor tile and manufacturing method thereof |
| CN103588428A (en) * | 2013-10-25 | 2014-02-19 | 黑生贤 | Formula for producing floor tile by using waste plastics, and technology thereof |
| CN104446190A (en) * | 2014-11-12 | 2015-03-25 | 安徽福来缘建材有限公司 | Thermal-insulation and anti-corrosion aerated brick and preparation method thereof |
| CN104844258A (en) * | 2015-05-04 | 2015-08-19 | 河南理工大学 | Aerating block with waste rubber |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109305778A (en) * | 2017-11-16 | 2019-02-05 | 中国石油化工股份有限公司 | A kind of catalytic cracking spent catalyst prepares non-burning brick method |
| CN108358609A (en) * | 2018-02-13 | 2018-08-03 | 北京大学 | A kind of water-permeable brick and preparation method thereof prepared by basalt tailing |
| CN108341644A (en) * | 2018-05-21 | 2018-07-31 | 中国建筑材料科学研究总院有限公司 | The curing of heavy metal in a kind of dead catalyst |
| CN112011107A (en) * | 2020-09-28 | 2020-12-01 | 长沙理工大学 | Improved waste tire particle material and preparation method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160608 |
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| RJ01 | Rejection of invention patent application after publication |