CN109942283B - Carbon fiber toughened hollow brick and preparation method thereof - Google Patents
Carbon fiber toughened hollow brick and preparation method thereof Download PDFInfo
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- CN109942283B CN109942283B CN201910387101.1A CN201910387101A CN109942283B CN 109942283 B CN109942283 B CN 109942283B CN 201910387101 A CN201910387101 A CN 201910387101A CN 109942283 B CN109942283 B CN 109942283B
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- 239000011464 hollow brick Substances 0.000 title claims abstract description 33
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 21
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 21
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims description 16
- 239000000835 fiber Substances 0.000 claims abstract description 53
- 229920000642 polymer Polymers 0.000 claims abstract description 25
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 18
- 239000002893 slag Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- GJOWSEBTWQNKPC-UHFFFAOYSA-N 3-methyloxiran-2-ol Chemical compound CC1OC1O GJOWSEBTWQNKPC-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000010881 fly ash Substances 0.000 claims abstract description 10
- 229920001732 Lignosulfonate Polymers 0.000 claims abstract description 9
- 239000011398 Portland cement Substances 0.000 claims abstract description 9
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims abstract description 9
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004202 carbamide Substances 0.000 claims abstract description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 9
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims abstract description 9
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 7
- 239000010893 paper waste Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 40
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- 239000011449 brick Substances 0.000 claims description 11
- 239000006185 dispersion Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 9
- 244000198134 Agave sisalana Species 0.000 claims description 9
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 9
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 9
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 9
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000002244 precipitate Substances 0.000 claims description 8
- 238000001291 vacuum drying Methods 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 238000007605 air drying Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000012065 filter cake Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- 238000000967 suction filtration Methods 0.000 claims description 4
- 238000009210 therapy by ultrasound Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 238000000643 oven drying Methods 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000004566 building material Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000011470 perforated brick Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a carbon fiber toughened hollow brick, which comprises the following raw materials in parts by weight: 1-2 parts of sodium carbonate, 10-14 parts of polymer modified fiber, 3-5 parts of urea, 40-50 parts of slag, 1-2 parts of lignosulfonate, 10-20 parts of fly ash, 30-36 parts of portland cement, 1-2 parts of sodium lauryl sulfate, 1-2 parts of epoxy propanol and 10-14 parts of waste paper pulp.
Description
Technical Field
The invention belongs to the field of building materials, and particularly relates to a carbon fiber toughened hollow brick and a preparation method thereof.
Background
In recent years, the coal chemical industry is developed rapidly, a plurality of large-scale coal chemical engineering projects are built in China, a large amount of gasifier slag is produced in production and operation, most of the gasifier slag is used as solid waste for landfill treatment at present, only a small amount of gasifier slag is used for paving road beds in road engineering, if the gasifier slag can be made into building material hollow bricks, waste can be changed into valuable, environmental pollution can be reduced, and the cost is low, wherein the prior art is published as CN104556929A and is named as the invention: although the environment-friendly hollow brick also takes the fly ash as a raw material, the reutilization of waste resources is realized, but the compressive strength and the breaking load resistance of the obtained hollow brick need to be improved.
Disclosure of Invention
The invention aims to solve the problem of low strength of the existing hollow brick and provides a carbon fiber toughened hollow brick and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a carbon fiber toughened hollow brick comprises the following raw materials in parts by weight:
1-2 parts of sodium carbonate, 10-14 parts of polymer modified fiber, 3-5 parts of urea, 40-50 parts of slag, 1-2 parts of lignosulfonate, 10-20 parts of fly ash, 30-36 parts of portland cement, 1-2 parts of sodium lauryl sulfate, 1-2 parts of epoxy propanol and 10-14 parts of waste paper pulp.
The polymer modified fiber is composed of the following raw materials in parts by weight:
0.8-2 parts of ammonium persulfate, 30-40 parts of tetrabutyl titanate, 5.5-9 parts of carbon fiber, 47-50 parts of acrylamide, 2-4 parts of aminopropyl triethoxysilane, 6-9 parts of sisal fiber and 0.4-1 part of sodium hexametaphosphate.
The preparation method of the polymer modified fiber comprises the following steps:
(1) mixing sisal fiber and sodium hexametaphosphate, adding into deionized water 20-30 times of the weight of the mixture, soaking for 1-2 hr, filtering, washing the precipitate with water, oven drying at 70-80 deg.C, discharging, and grinding into fine powder to obtain fiber powder;
(2) adding ammonium persulfate into deionized water with the weight 30-40 times of that of the ammonium persulfate, and uniformly stirring;
(3) adding aminopropyltriethoxysilane into absolute ethanol 15-20 times of the weight of aminopropyltriethoxysilane, stirring, adding fiber powder and carbon fiber, and performing ultrasonic treatment for 5-10 min to obtain fiber dispersion;
(4) mixing acrylamide and tetrabutyl titanate, adding the mixture into deionized water with the weight 14-20 times that of the mixture, uniformly stirring, adding the fiber dispersion, stirring for reaction for 4-5 hours, feeding the mixture into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 60-65 ℃, adding an ammonium persulfate aqueous solution, keeping the temperature and stirring for 3-4 hours, discharging, performing suction filtration, washing a filter cake with water, and performing vacuum drying to obtain the polymer modified fiber.
In the preparation method of the polymer modified fiber, the vacuum drying temperature in the step (4) is 90-100 ℃, and the drying time is 3-4 hours.
A preparation method of a carbon fiber toughened hollow brick comprises the following steps:
(1) mixing the fly ash, the portland cement and the slag, uniformly stirring, and sending into a crusher to be crushed into particles of 100-mesh and 200-mesh;
(2) adding epoxy propanol into 10-16 times of anhydrous ethanol, uniformly stirring, adding the particles, sending into a reaction kettle, adding polymer modified fiber, stirring for 60-70 minutes at the temperature of 160-180 ℃, filtering, washing the precipitate with water, mixing with sodium carbonate, lignosulfonate, sodium lauryl sulfate and waste pulp liquid, stirring for 2-3 hours in a stirrer, standing for 100-130 minutes, adding urea, uniformly stirring, placing in a hollow brick mold, and performing vibration extrusion molding to prepare a hollow brick blank;
(3) drying the prepared green brick under the condition of natural air drying until the water content is 10-12%, then placing the green brick in a steam atmosphere for curing, controlling the curing temperature to be 50-55 ℃, curing for 20-26h, then roasting the green brick for 3-4 h at the temperature of 760-800 ℃, and cooling to obtain the hollow brick.
The invention has the advantages that:
the sisal fiber is used as a raw material, sodium hexametaphosphate aqueous solution is adopted for treatment, aminosilane is used for modification to obtain fiber dispersion liquid, acrylamide is used as a monomer, tetrabutyl titanate is used as a precursor, the fiber dispersion liquid is used as a solvent, and polymerization is carried out under the action of an initiator to obtain the polymer modified fiber.
Detailed Description
Example 1
A carbon fiber toughened hollow brick comprises the following raw materials in parts by weight:
1 part of sodium carbonate, 10 parts of polymer modified fiber, 3 parts of urea, 40 parts of slag, 1 part of lignosulfonate, 10 parts of fly ash, 30 parts of portland cement, 1 part of sodium lauryl sulfate, 1 part of epoxy propanol and 10 parts of waste paper pulp.
The polymer modified fiber is composed of the following raw materials in parts by weight:
0.8 part of ammonium persulfate, 30 parts of tetrabutyl titanate, 5.5 parts of carbon fiber, 47 parts of acrylamide, 2 parts of aminopropyltriethoxysilane, 6 parts of sisal fiber and 0.4 part of sodium hexametaphosphate.
The preparation method of the polymer modified fiber comprises the following steps:
(1) mixing sisal fiber and sodium hexametaphosphate, adding into deionized water 20 times of the weight of the mixture, soaking for 1 hr, filtering, washing the precipitate with water, drying at 70 deg.C in oven, discharging, and grinding into fine powder to obtain fiber powder;
(2) adding ammonium persulfate into deionized water with the weight 30 times that of the ammonium persulfate, and uniformly stirring;
(3) adding aminopropyltriethoxysilane into absolute ethanol 15 times of the weight of the aminopropyltriethoxysilane, stirring uniformly, adding fiber powder and carbon fiber, and performing ultrasonic treatment for 5 minutes to obtain fiber dispersion;
(4) mixing acrylamide and tetrabutyl titanate, adding the mixture into deionized water with the weight 14 times that of the mixture, uniformly stirring, adding the fiber dispersion, stirring for reaction for 4 hours, sending the mixture into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 60 ℃, adding an ammonium persulfate aqueous solution, keeping the temperature and stirring for 3 hours, discharging, performing suction filtration, washing a filter cake with water, and performing vacuum drying to obtain the polymer modified fiber.
In the preparation method of the polymer modified fiber, the vacuum drying temperature in the step (4) is 90 ℃, and the drying time is 3 hours.
A preparation method of a carbon fiber toughened hollow brick comprises the following steps:
(1) mixing fly ash, portland cement and slag, stirring uniformly, feeding into a pulverizer, and pulverizing into 100-mesh particles;
(2) adding epoxy propanol into 10 times of absolute ethyl alcohol, uniformly stirring, adding the particles, feeding into a reaction kettle, adding polymer modified fiber, stirring at 160 ℃ for 60 minutes under heat preservation, filtering, washing the precipitate with water, mixing with sodium carbonate, lignosulfonate, sodium lauryl sulfate and waste paper pulp liquid, stirring for 2 hours in a stirrer, standing for 100 minutes, adding urea, uniformly stirring, placing in a hollow brick mold, and performing vibration extrusion molding to prepare a hollow brick blank;
(3) and drying the prepared green bricks under the condition of natural air drying until the water content is 10%, then placing the green bricks in a steam atmosphere for curing, controlling the curing temperature at 50 ℃ for 20h, then roasting the green bricks for 3 h at 760 ℃, and cooling to obtain the hollow bricks.
Example 2
A carbon fiber toughened hollow brick comprises the following raw materials in parts by weight:
sodium carbonate 2, polymer modified fiber 14, urea 5, slag 50, lignosulfonate 2, fly ash 20, portland cement 36, sodium lauryl sulfate 2, epoxy propanol 2 and waste paper pulp liquid 14.
The polymer modified fiber is composed of the following raw materials in parts by weight:
ammonium persulfate 2, tetrabutyl titanate 40, carbon fiber 9, acrylamide 50, aminopropyl triethoxysilane 4, sisal fiber 9 and sodium hexametaphosphate 1.
The preparation method of the polymer modified fiber comprises the following steps:
(1) mixing sisal fiber and sodium hexametaphosphate, adding into deionized water 30 times of the weight of the mixture, soaking for 2 hr, filtering, washing the precipitate with water, drying at 80 deg.C in oven, discharging, and grinding into fine powder to obtain fiber powder;
(2) adding ammonium persulfate into deionized water with the weight 40 times that of the ammonium persulfate, and uniformly stirring;
(3) adding aminopropyltriethoxysilane into anhydrous ethanol with the weight of 20 times of that of the aminopropyltriethoxysilane, uniformly stirring, adding fiber powder and carbon fibers, and performing ultrasonic treatment for 10 minutes to obtain a fiber dispersion liquid;
(4) mixing acrylamide and tetrabutyl titanate, adding the mixture into deionized water which is 20 times of the weight of the mixture, stirring uniformly, adding the fiber dispersion, stirring for reaction for 5 hours, sending the mixture into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 65 ℃, adding an ammonium persulfate aqueous solution, keeping the temperature and stirring for 4 hours, discharging, performing suction filtration, washing a filter cake with water, and performing vacuum drying to obtain the polymer modified fiber.
In the preparation method of the polymer modified fiber, the vacuum drying temperature in the step (4) is 100 ℃, and the drying time is 4 hours.
A preparation method of a carbon fiber toughened hollow brick comprises the following steps:
(1) mixing fly ash, portland cement and slag, stirring uniformly, feeding into a pulverizer, and pulverizing into 200-mesh particles;
(2) adding epoxy propanol into absolute ethyl alcohol with the weight 16 times of that of the epoxy propanol, uniformly stirring, adding the particles, feeding into a reaction kettle, adding polymer modified fibers, keeping the temperature at 180 ℃ and stirring for 70 minutes, filtering, washing precipitates, mixing with sodium carbonate, lignosulfonate, sodium lauryl sulfate and waste paper pulp liquid, stirring for 3 hours in a stirrer, standing for 130 minutes, adding urea, uniformly stirring, placing in a hollow brick mold, and performing vibration extrusion molding to prepare a hollow brick blank;
(3) and drying the prepared green bricks under the condition of natural air drying until the water content is 12%, then placing the green bricks in a steam atmosphere for curing, controlling the curing temperature to be 55 ℃, curing for 26 hours, then roasting for 4 hours at 800 ℃, and cooling to obtain the hollow bricks.
And (3) performance testing:
all performance indexes of the finished hollow brick prepared in the embodiment 1-2 all meet the national standard GB25779-2010 load-bearing mixed perforated brick;
the apparent density of the finished hollow brick obtained in example 1 was 1205kg/m3(ii) a The compressive strength is 64.5 Mpa;
the apparent density of the finished hollow brick obtained in example 2 was 1150kg/m3(ii) a The compressive strength is 71.7 MPa.
Claims (2)
1. The carbon fiber toughened hollow brick is characterized by comprising the following raw materials in parts by weight:
1-2 parts of sodium carbonate, 10-14 parts of polymer modified fiber, 3-5 parts of urea, 40-50 parts of slag, 1-2 parts of lignosulfonate, 10-20 parts of fly ash, 30-36 parts of portland cement, 1-2 parts of sodium lauryl sulfate, 1-2 parts of epoxy propanol and 10-14 parts of waste paper pulp;
the polymer modified fiber is prepared from the following raw materials in parts by weight: 0.8-2 parts of ammonium persulfate, 30-40 parts of tetrabutyl titanate, 5.5-9 parts of carbon fiber, 47-50 parts of acrylamide, 2-4 parts of aminopropyltriethoxysilane, 6-9 parts of sisal fiber and 0.4-1 part of sodium hexametaphosphate;
the preparation method of the polymer modified fiber comprises the following steps:
(1) mixing sisal fiber and sodium hexametaphosphate, adding into deionized water 20-30 times of the weight of the mixture, soaking for 1-2 hr, filtering, washing the precipitate with water, oven drying at 70-80 deg.C, discharging, and grinding into fine powder to obtain fiber powder;
(2) adding ammonium persulfate into deionized water with the weight 30-40 times of that of the ammonium persulfate, and uniformly stirring;
(3) adding aminopropyltriethoxysilane into absolute ethanol 15-20 times of the weight of aminopropyltriethoxysilane, stirring, adding fiber powder and carbon fiber, and performing ultrasonic treatment for 5-10 min to obtain fiber dispersion;
(4) mixing acrylamide and tetrabutyl titanate, adding the mixture into deionized water with the weight 14-20 times that of the mixture, uniformly stirring, adding the fiber dispersion, stirring for reaction for 4-5 hours, feeding the mixture into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 60-65 ℃, adding an ammonium persulfate aqueous solution, keeping the temperature and stirring for 3-4 hours, discharging, performing suction filtration, washing a filter cake with water, and performing vacuum drying to obtain the polymer modified fiber;
the preparation method of the carbon fiber toughened hollow brick comprises the following steps:
(1) mixing the fly ash, the portland cement and the slag, uniformly stirring, and sending into a crusher to be crushed into particles of 100-mesh and 200-mesh;
(2) adding epoxy propanol into 10-16 times of anhydrous ethanol, uniformly stirring, adding the particles, sending into a reaction kettle, adding polymer modified fiber, stirring for 60-70 minutes at the temperature of 160-180 ℃, filtering, washing the precipitate with water, mixing with sodium carbonate, lignosulfonate, sodium lauryl sulfate and waste pulp liquid, stirring for 2-3 hours in a stirrer, standing for 100-130 minutes, adding urea, uniformly stirring, placing in a hollow brick mold, and performing vibration extrusion molding to prepare a hollow brick blank;
(3) drying the prepared green brick under the condition of natural air drying until the water content is 10-12%, then placing the green brick in a steam atmosphere for curing, controlling the curing temperature to be 50-55 ℃, curing for 20-26h, then roasting the green brick for 3-4 h at the temperature of 760-800 ℃, and cooling to obtain the hollow brick.
2. The carbon fiber-toughened hollow brick according to claim 1, wherein in the preparation method of the polymer-modified fiber, the vacuum drying temperature in the step (4) is 90-100 ℃, and the drying time is 3-4 hours.
Priority Applications (1)
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| CN201910387101.1A CN109942283B (en) | 2019-05-10 | 2019-05-10 | Carbon fiber toughened hollow brick and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910387101.1A CN109942283B (en) | 2019-05-10 | 2019-05-10 | Carbon fiber toughened hollow brick and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109942283A CN109942283A (en) | 2019-06-28 |
| CN109942283B true CN109942283B (en) | 2021-10-22 |
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Citations (8)
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|---|---|---|---|---|
| US3839057A (en) * | 1971-07-28 | 1974-10-01 | Gen Refractories Co | Burned basic phosphate-bonded refractory brick |
| GB2459508A (en) * | 2008-04-25 | 2009-10-28 | United Arab Emirates Universit | Surfactant for use in the production of modified sulphur |
| CN104609816A (en) * | 2014-12-31 | 2015-05-13 | 东莞市高能磁电技术有限公司 | Method for preparing baking-free brick from waste and brick product |
| CN104724988A (en) * | 2015-01-29 | 2015-06-24 | 安徽鑫润新型材料有限公司 | Novel lightweight porous coal gangue brick with sound absorption effect and preparation method thereof |
| CN108358659A (en) * | 2018-04-25 | 2018-08-03 | 安徽昆蒙新型建材有限公司 | A kind of sound insulation, thermal-insulation hollow brick and preparation method thereof |
| CN108640627A (en) * | 2018-04-28 | 2018-10-12 | 贵州华帅新型环保建材有限公司 | A kind of high-strength corrosion-resisting aerated bricks and preparation method thereof |
| CN109231921A (en) * | 2018-10-25 | 2019-01-18 | 合肥隆扬环保科技有限公司 | A kind of heat preservation environment protection brick and preparation method thereof |
| CN109608100A (en) * | 2018-12-04 | 2019-04-12 | 陈群 | A kind of concrete self-insulating composite lightweight block and its production technology |
-
2019
- 2019-05-10 CN CN201910387101.1A patent/CN109942283B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3839057A (en) * | 1971-07-28 | 1974-10-01 | Gen Refractories Co | Burned basic phosphate-bonded refractory brick |
| GB2459508A (en) * | 2008-04-25 | 2009-10-28 | United Arab Emirates Universit | Surfactant for use in the production of modified sulphur |
| CN104609816A (en) * | 2014-12-31 | 2015-05-13 | 东莞市高能磁电技术有限公司 | Method for preparing baking-free brick from waste and brick product |
| CN104724988A (en) * | 2015-01-29 | 2015-06-24 | 安徽鑫润新型材料有限公司 | Novel lightweight porous coal gangue brick with sound absorption effect and preparation method thereof |
| CN108358659A (en) * | 2018-04-25 | 2018-08-03 | 安徽昆蒙新型建材有限公司 | A kind of sound insulation, thermal-insulation hollow brick and preparation method thereof |
| CN108640627A (en) * | 2018-04-28 | 2018-10-12 | 贵州华帅新型环保建材有限公司 | A kind of high-strength corrosion-resisting aerated bricks and preparation method thereof |
| CN109231921A (en) * | 2018-10-25 | 2019-01-18 | 合肥隆扬环保科技有限公司 | A kind of heat preservation environment protection brick and preparation method thereof |
| CN109608100A (en) * | 2018-12-04 | 2019-04-12 | 陈群 | A kind of concrete self-insulating composite lightweight block and its production technology |
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| CN109942283A (en) | 2019-06-28 |
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Denomination of invention: A carbon fiber toughened hollow brick and its preparation method Granted publication date: 20211022 Pledgee: Mengcheng County revitalize the financing Company limited by guarantee Pledgor: ANHUI KUNMENG NEW BUILDING MATERIAL CO.,LTD. Registration number: Y2024980014770 |