CN112759333A - Preparation method of stain-resistant cement telegraph pole - Google Patents
Preparation method of stain-resistant cement telegraph pole Download PDFInfo
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- CN112759333A CN112759333A CN201911070516.2A CN201911070516A CN112759333A CN 112759333 A CN112759333 A CN 112759333A CN 201911070516 A CN201911070516 A CN 201911070516A CN 112759333 A CN112759333 A CN 112759333A
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- Prior art keywords
- zeolite powder
- pole
- stain
- cement
- resistant cement
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- Pending
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- 239000004568 cement Substances 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000000843 powder Substances 0.000 claims abstract description 39
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 29
- 239000010457 zeolite Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 40
- 238000002156 mixing Methods 0.000 claims description 24
- 125000001931 aliphatic group Chemical group 0.000 claims description 20
- 229920000768 polyamine Polymers 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 239000000654 additive Substances 0.000 claims description 11
- 230000000996 additive effect Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical group NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 150000004645 aluminates Chemical group 0.000 claims description 5
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 229940050549 fiber Drugs 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- -1 polypropylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 239000011241 protective layer Substances 0.000 claims description 5
- 108700004121 sarkosyl Proteins 0.000 claims description 5
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 5
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 5
- KSAVQLQVUXSOCR-UHFFFAOYSA-M sodium lauroyl sarcosinate Chemical compound [Na+].CCCCCCCCCCCC(=O)N(C)CC([O-])=O KSAVQLQVUXSOCR-UHFFFAOYSA-M 0.000 claims description 5
- 229940045885 sodium lauroyl sarcosinate Drugs 0.000 claims description 5
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 5
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 5
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000010802 sludge Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- C04B28/06—Aluminous cements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
The invention discloses a preparation method of a stain-resistant cement telegraph pole, which comprises the following steps: (1) preparing a base material; (2) adding materials; (3) modifying the zeolite powder; (4) obtaining a castable; (5) pouring; according to the preparation method of the stain-resistant cement telegraph pole, the prepared cement telegraph pole has excellent stain resistance, the surface adhesion of the cement telegraph pole is low, and adhered stains are easy to wash.
Description
Technical Field
The invention belongs to the technical field of preparation of telegraph poles, and particularly relates to a preparation method of a stain-resistant cement telegraph pole.
Background
The pole is the bridge of electricity, lets the electricity transport each place, and we common pole have wooden system pole, has the cement pole, and their height differs, stands upright in the plain mountain, spreads all over around people. The general category of poles is many, as is common: concrete pole is made of concrete and steel bars or wires. Iron rod: an electric pole cast by pig iron.
Because the operation has a large amount of cement wire pole transmission lines in the electric wire netting, partial shaft tower in this type of circuit is located in farmland such as paddy field, wheat field, and in this past, can make the wire pole surface be infected with a large amount of stains, is difficult to get rid of.
Disclosure of Invention
The invention is realized by the following technical scheme.
A preparation method of a stain-resistant cement telegraph pole comprises the following steps:
(1) preparing a base material: stirring 22-25 parts by weight of cement, 43-46 parts by weight of fine sand and 22-26 parts by weight of water at the normal temperature at the rotating speed of 500r/min, and uniformly mixing to obtain a base material;
(2) adding materials: mixing polypropylene fiber, sodium dodecyl benzene sulfonate, sodium pyrophosphate, sodium lauroyl sarcosinate, glass fiber, diatomite and water according to the weight ratio of 10:2:8:3:1: 15: 10, adding the mixture into a stirrer for stirring, heating to 78 ℃, and uniformly mixing to obtain an additive;
(3) modifying zeolite powder: uniformly dispersing zeolite powder into an ethanol solution, uniformly stirring to obtain an ethanol dispersion liquid of the zeolite powder, heating to 50-55 ℃, then adding aliphatic polyamine with the mass of 0.2-0.3% of the mass of the aliphatic polyamine into the ethanol dispersion liquid of the zeolite powder, stirring at the rotating speed of 1800r/min for 40min, and then filtering, washing and drying to obtain modified zeolite powder;
(4) uniformly mixing the base material, the additive and the modified zeolite powder according to the mass ratio of 5:2:0.1-0.2 to obtain a castable;
(5) uniformly distributing the castable in a steel mesh concrete wire pole mould with the protective layer thickness of 1cm through a distributor, compacting and molding by adopting a centrifugal process, standing for 40min, and then maintaining for 3-5 days.
As a further technical scheme, the granularity of the fine sand is 100 meshes.
As a further technical scheme, the diameter of the glass fiber monofilament is 25 μm.
As a further technical scheme, the aliphatic polyamine is hexamethylene diamine or diethylenetriamine.
As a further technical scheme, the aliphatic polyamine is diethylenetriamine.
As a further technical scheme, the mixing ratio of the zeolite powder and the ethanol solution is 120 g: 280 mL.
As a further technical scheme, the cement is aluminate cement.
As a further technical scheme, the curing condition is that the curing is carried out at 78 ℃ and 60% of humidity.
According to the technical scheme, the beneficial effects of the invention are as follows:
according to the preparation method of the stain-resistant cement telegraph pole, the prepared cement telegraph pole has excellent stain resistance, the surface adhesion of the cement telegraph pole is low, and adhered stains are easy to wash. According to the invention, through modification treatment of the zeolite powder, the zeolite powder after modification treatment is uniformly dispersed in the cement telegraph pole, so that the compressive strength and the flexural strength of the cement telegraph pole can be greatly improved, the mechanical property of the cement telegraph pole is improved, meanwhile, the adhesive force on the surface of the cement telegraph pole can be greatly reduced, even if stains are adhered to the surface of the cement telegraph pole, the cement telegraph pole can be recovered to be clean after being washed by rainwater, and therefore, the stains can be prevented from being adhered to the surface of the cement telegraph pole for a long time to corrode the cement telegraph pole, and the service life of the cement telegraph pole is greatly prolonged.
Detailed Description
Example 1
A preparation method of a stain-resistant cement telegraph pole comprises the following steps:
(1) preparing a base material: stirring the cement 22, the fine sand 43 and the water 22 according to the parts by weight at the normal temperature at the rotating speed of 500r/min, and uniformly mixing to obtain a base material;
(2) adding materials: mixing polypropylene fiber, sodium dodecyl benzene sulfonate, sodium pyrophosphate, sodium lauroyl sarcosinate, glass fiber, diatomite and water according to the weight ratio of 10:2:8:3:1: 15: 10, adding the mixture into a stirrer for stirring, heating to 78 ℃, and uniformly mixing to obtain an additive;
(3) modifying zeolite powder: uniformly dispersing zeolite powder into an ethanol solution, uniformly stirring to obtain ethanol dispersion liquid of the zeolite powder, heating to 50 ℃, then adding aliphatic polyamine with the mass of 0.2% of the mass of the aliphatic polyamine into the ethanol dispersion liquid of the zeolite powder, stirring at the rotating speed of 1800r/min for 40min, and then filtering, washing and drying to obtain modified zeolite powder;
(4) uniformly mixing the base material, the additive and the modified zeolite powder according to the mass ratio of 5:2:0.1 to obtain a castable;
(5) uniformly distributing the castable in a steel mesh concrete wire pole mould with the protective layer thickness of 1cm through a distributor, compacting and molding by adopting a centrifugal process, standing for 40min, and then maintaining for 3 days.
As a further technical scheme, the granularity of the fine sand is 100 meshes.
As a further technical scheme, the diameter of the glass fiber monofilament is 25 μm.
As a further technical scheme, the aliphatic polyamine is hexamethylene diamine or diethylenetriamine.
As a further technical scheme, the aliphatic polyamine is diethylenetriamine.
As a further technical scheme, the mixing ratio of the zeolite powder and the ethanol solution is 120 g: 280 mL.
As a further technical scheme, the cement is aluminate cement.
As a further technical scheme, the curing condition is that the curing is carried out at 78 ℃ and 60% of humidity.
Example 2
A preparation method of a stain-resistant cement telegraph pole comprises the following steps:
(1) preparing a base material: stirring 25 parts by weight of cement, 46 parts by weight of fine sand and 26 parts by weight of water at the normal temperature at the rotating speed of 500r/min, and uniformly mixing to obtain a base material;
(2) adding materials: mixing polypropylene fiber, sodium dodecyl benzene sulfonate, sodium pyrophosphate, sodium lauroyl sarcosinate, glass fiber, diatomite and water according to the weight ratio of 10:2:8:3:1: 15: 10, adding the mixture into a stirrer for stirring, heating to 78 ℃, and uniformly mixing to obtain an additive;
(3) modifying zeolite powder: uniformly dispersing zeolite powder into an ethanol solution, uniformly stirring to obtain ethanol dispersion liquid of the zeolite powder, heating to 55 ℃, then adding aliphatic polyamine with the mass of 0.3% of the mass of the aliphatic polyamine into the ethanol dispersion liquid of the zeolite powder, stirring at the rotating speed of 1800r/min for 40min, and then filtering, washing and drying to obtain modified zeolite powder;
(4) uniformly mixing the base material, the additive and the modified zeolite powder according to the mass ratio of 5:2: 0.2 to obtain a castable;
(5) uniformly distributing the castable in a steel mesh concrete wire pole mould with the protective layer thickness of 1cm through a distributor, compacting and molding by adopting a centrifugal process, standing for 40min, and then maintaining for 5 days.
As a further technical scheme, the granularity of the fine sand is 100 meshes.
As a further technical scheme, the diameter of the glass fiber monofilament is 25 μm.
As a further technical scheme, the aliphatic polyamine is hexamethylene diamine or diethylenetriamine.
As a further technical scheme, the aliphatic polyamine is diethylenetriamine.
As a further technical scheme, the mixing ratio of the zeolite powder and the ethanol solution is 120 g: 280 mL.
As a further technical scheme, the cement is aluminate cement.
As a further technical scheme, the curing condition is that the curing is carried out at 78 ℃ and 60% of humidity.
Example 3
A preparation method of a stain-resistant cement telegraph pole comprises the following steps:
(1) preparing a base material: stirring 23 parts by weight of cement, 45 parts by weight of fine sand and 24 parts by weight of water at the normal temperature at the rotating speed of 500r/min, and uniformly mixing to obtain a base material;
(2) adding materials: mixing polypropylene fiber, sodium dodecyl benzene sulfonate, sodium pyrophosphate, sodium lauroyl sarcosinate, glass fiber, diatomite and water according to the weight ratio of 10:2:8:3:1: 15: 10, adding the mixture into a stirrer for stirring, heating to 78 ℃, and uniformly mixing to obtain an additive;
(3) modifying zeolite powder: uniformly dispersing zeolite powder into an ethanol solution, uniformly stirring to obtain ethanol dispersion liquid of the zeolite powder, heating to 52 ℃, then adding aliphatic polyamine with the mass of 0.25% of the mass of the aliphatic polyamine into the ethanol dispersion liquid of the zeolite powder, stirring at the rotating speed of 1800r/min for 40min, and then filtering, washing and drying to obtain modified zeolite powder;
(4) uniformly mixing the base material, the additive and the modified zeolite powder according to the mass ratio of 5:2:0.16 to obtain a casting material;
(5) uniformly distributing the castable in a steel mesh concrete wire pole mould with the protective layer thickness of 1cm through a distributor, compacting and molding by adopting a centrifugal process, standing for 40min, and then maintaining for 4 days.
As a further technical scheme, the granularity of the fine sand is 100 meshes.
As a further technical scheme, the diameter of the glass fiber monofilament is 25 μm.
As a further technical scheme, the aliphatic polyamine is hexamethylene diamine or diethylenetriamine.
As a further technical scheme, the aliphatic polyamine is diethylenetriamine.
As a further technical scheme, the mixing ratio of the zeolite powder and the ethanol solution is 120 g: 280 mL.
As a further technical scheme, the cement is aluminate cement.
As a further technical scheme, the curing condition is that the curing is carried out at 78 ℃ and 60% of humidity.
Comparative example 1: the difference from example 1 is that no modification treatment was performed on the zeolite powder.
Comparative example 2: only differs from example 1 in that no additive is added.
The compressive strength and the flexural strength of the cement utility pole with the same specification of the example and the control group are compared in a test way:
TABLE 1
| Compressive strength MPa | Flexural strength MPa | |
| Example 1 | 44.4 | 18.6 |
| Example 2 | 46.7 | 18.3 |
| Example 3 | 42.4 | 17.8 |
| Comparative example 1 | 31.3 | 11.5 |
| Comparative example 2 | 36.7 | 14.1 |
As can be seen from table 1, the cement poles prepared by the method of the present invention have excellent compressive and flexural strength.
The surfaces of the cement poles of the examples and comparative examples of the same specification were coated with field sludge of uniform thickness (same test field samples), and after drying in the same environment, the cement poles of the examples and comparative examples were washed with water at a pressure of 0.1MPa, comparing the sludge removal rates:
TABLE 2
| Sludge removal rate% | |
| Example 1 | 99.5 |
| Example 2 | 99.8 |
| Example 3 | 99.3 |
| Comparative example 1 | 78.6 |
| Comparative example 2 | 85.1 |
As can be seen from Table 2, the cement pole prepared by the method of the invention has excellent stain resistance, the surface adhesion of the cement pole is low, and the adhered stains are easy to wash.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should understand that they can make various changes, modifications, additions and substitutions within the spirit and scope of the present invention.
Claims (8)
1. The preparation method of the stain-resistant cement telegraph pole is characterized by comprising the following steps:
(1) preparing a base material: stirring 22-25 parts by weight of cement, 43-46 parts by weight of fine sand and 22-26 parts by weight of water at the normal temperature at the rotating speed of 500r/min, and uniformly mixing to obtain a base material;
(2) adding materials: mixing polypropylene fiber, sodium dodecyl benzene sulfonate, sodium pyrophosphate, sodium lauroyl sarcosinate, glass fiber, diatomite and water according to the weight ratio of 10:2:8:3:1: 15: 10, adding the mixture into a stirrer for stirring, heating to 78 ℃, and uniformly mixing to obtain an additive;
(3) modifying zeolite powder: uniformly dispersing zeolite powder into an ethanol solution, uniformly stirring to obtain an ethanol dispersion liquid of the zeolite powder, heating to 50-55 ℃, then adding aliphatic polyamine with the mass of 0.2-0.3% of the mass of the aliphatic polyamine into the ethanol dispersion liquid of the zeolite powder, stirring at the rotating speed of 1800r/min for 40min, and then filtering, washing and drying to obtain modified zeolite powder;
(4) uniformly mixing the base material, the additive and the modified zeolite powder according to the mass ratio of 5:2:0.1-0.2 to obtain a castable;
(5) uniformly distributing the castable in a steel mesh concrete wire pole mould with the protective layer thickness of 1cm through a distributor, compacting and molding by adopting a centrifugal process, standing for 40min, and then maintaining for 3-5 days.
2. The method of making a stain resistant cement pole of claim 1, wherein the fine sand has a particle size of 100 mesh.
3. The method for making a stain resistant cement pole as claimed in claim 1, wherein the fiberglass monofilaments are 25 μm in diameter.
4. The method for making a stain resistant cement pole as in claim 1, wherein the aliphatic polyamine is hexamethylene diamine or diethylene triamine.
5. The method for making a stain resistant cement pole as in claim 4, wherein the aliphatic polyamine is diethylenetriamine.
6. The method for preparing a stain-resistant cement utility pole according to claim 1, wherein the zeolite powder and ethanol solution are mixed in a ratio of 120 g: 280 mL.
7. The method for preparing a stain resistant cement pole as claimed in claim 1, wherein the cement is aluminate cement.
8. The method for making a stain resistant cement pole as claimed in claim 1, wherein the curing conditions are at 78 ℃ and 60% humidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070516.2A CN112759333A (en) | 2019-11-05 | 2019-11-05 | Preparation method of stain-resistant cement telegraph pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070516.2A CN112759333A (en) | 2019-11-05 | 2019-11-05 | Preparation method of stain-resistant cement telegraph pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112759333A true CN112759333A (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911070516.2A Pending CN112759333A (en) | 2019-11-05 | 2019-11-05 | Preparation method of stain-resistant cement telegraph pole |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072080A (en) * | 2014-05-29 | 2014-10-01 | 蚌埠华东石膏有限公司 | High-bending-strength concrete and preparation method thereof |
| CN105819789A (en) * | 2016-03-18 | 2016-08-03 | 杭州富阳高博信息技术服务有限公司 | Electric pole for electric transmission line |
| CN105819785A (en) * | 2016-03-16 | 2016-08-03 | 国网山东省电力公司费县供电公司 | High strength electric power pole |
| CA2979194A1 (en) * | 2015-03-13 | 2016-09-22 | 3M Innovative Properties Company | Composition suitable for protection comprising copolymer and hydrophilic silane |
-
2019
- 2019-11-05 CN CN201911070516.2A patent/CN112759333A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072080A (en) * | 2014-05-29 | 2014-10-01 | 蚌埠华东石膏有限公司 | High-bending-strength concrete and preparation method thereof |
| CA2979194A1 (en) * | 2015-03-13 | 2016-09-22 | 3M Innovative Properties Company | Composition suitable for protection comprising copolymer and hydrophilic silane |
| CN105819785A (en) * | 2016-03-16 | 2016-08-03 | 国网山东省电力公司费县供电公司 | High strength electric power pole |
| CN105819789A (en) * | 2016-03-18 | 2016-08-03 | 杭州富阳高博信息技术服务有限公司 | Electric pole for electric transmission line |
Non-Patent Citations (2)
| Title |
|---|
| 吴志明等: "《醇胺类化合物对硅酸盐水泥性能的影响》", 《粉煤灰综合利用》 * |
| 魏志恒等: "表面活性剂对粉煤灰合成4A沸石的影响", 《粉煤灰综合利用》 * |
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Application publication date: 20210507 |