CN108892410B - Concrete cementing material - Google Patents
Concrete cementing material Download PDFInfo
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- CN108892410B CN108892410B CN201811116952.4A CN201811116952A CN108892410B CN 108892410 B CN108892410 B CN 108892410B CN 201811116952 A CN201811116952 A CN 201811116952A CN 108892410 B CN108892410 B CN 108892410B
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- resin
- epoxy resin
- concrete
- cementing 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
- 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
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Epoxy Resins (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a concrete cementing material which is prepared from the following raw materials in parts by weight: 5-10 parts of phenolic modified furfuryl alcohol resin, 5-10 parts of furfuryl ketone-formaldehyde resin, 2-3 parts of epoxy resin, 2-3 parts of urea and 30-40 parts of fly ash. The concrete cementing material has the advantages of cracking resistance and impact resistance.
Description
Technical Field
The invention relates to a building material, in particular to a concrete cementing material.
Background
The pervious concrete is also called porous concrete, and can also be called drainage concrete. Aiming at the defects of the road surface of the original urban road, countries in Europe, America, Japan and the like develop and use the novel urban road, which can make rainwater flow into the ground and effectively supplement the ground water; and can effectively eliminate the harm of oil compounds on the ground and the like to the environmental pollution; meanwhile, the material is an excellent paving material which can protect the nature, maintain the ecological balance and relieve the urban heat island effect; it is beneficial to the benign development of human living environment, the management of urban rainwater, the prevention and treatment of water pollution and the like, and has special significance. Pervious concrete is generally composed of concrete cement, crushed stone, dye and water.
The cementing material is an indispensable additive in the pervious concrete, the main function of the cementing material is to greatly improve the point bonding strength among aggregates by the crosslinking of a polymer in cement, and simultaneously play roles in lubricating, retarding and improving the construction workability of the pervious concrete, and the pervious concrete doped with the hammer bonding material does not flow and bottom sealing in the construction, the water permeability is improved by 300 percent, and the strength is improved by 180 percent; the cementing material also effectively improves the wrapping force and the plasticizing performance of the mixture so as to be more beneficial to large-area rapid paving operation, improve the construction efficiency and save the cost. However, the existing cementing materials generally have the problems of poor cracking resistance and poor impact resistance.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a concrete cementing material which can solve the problem of poor cracking resistance and impact resistance.
In order to solve the technical problems, the invention adopts the technical scheme that:
the concrete cementing material is prepared from the following raw materials in parts by weight: 5-10 parts of phenolic modified furfuryl alcohol resin, 5-10 parts of furfuryl ketone-formaldehyde resin, 2-3 parts of epoxy resin, 2-3 parts of urea and 30-40 parts of fly ash.
The invention has the beneficial effects that:
the characteristics of small shrinkage, good cohesive force and good heat resistance of the phenolic aldehyde modified furfuryl alcohol resin are utilized, and the urea and the epoxy resin are added and can jointly act on the furfuryl ketone-formaldehyde resin and the phenolic aldehyde modified furfuryl alcohol resin, so that the mixed resin obtained after the action has the properties of low viscosity and good hardness, and has higher tensile strength after being cured; the fly ash has the function of improving the workability; the concrete cementing material disclosed by the invention has the advantage of improving the cracking resistance and the shock resistance of concrete by adopting the component design.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description will be given with reference to the embodiments.
The most key concept of the invention is as follows: the proportion of the components is designed to improve the cracking resistance and the shock resistance of the concrete.
The invention provides a concrete cementing material which is prepared from the following raw materials in parts by weight: 5-10 parts of phenolic modified furfuryl alcohol resin, 5-10 parts of furfuryl ketone-formaldehyde resin, 2-3 parts of epoxy resin, 2-3 parts of urea and 30-40 parts of fly ash.
From the above description, the beneficial effects of the present invention are:
the characteristics of small shrinkage, good cohesive force and good heat resistance of the phenolic aldehyde modified furfuryl alcohol resin are utilized, and the urea and the epoxy resin are added and can jointly act on the furfuryl ketone-formaldehyde resin and the phenolic aldehyde modified furfuryl alcohol resin, so that the mixed resin obtained after the action has the properties of low viscosity and good hardness, and has higher tensile strength after being cured; the fly ash has the function of improving the workability; the concrete cementing material disclosed by the invention has the advantage of improving the cracking resistance and the shock resistance of concrete by adopting the component design.
The first embodiment of the invention is as follows:
the concrete cementing material of the embodiment comprises the following raw materials in parts by weight: 5 parts of phenolic modified furfuryl alcohol resin, 5 parts of furfuryl ketone-formaldehyde resin, 2 parts of epoxy resin, 2 parts of urea and 30 parts of fly ash. The epoxy resin is prepared by mixing E51 epoxy resin and synthetic resin curing agents according to the weight percentage of 5: 1.
The second embodiment of the invention is as follows:
the concrete cementing material of the embodiment comprises the following raw materials in parts by weight: 10 parts of phenolic modified furfuryl alcohol resin, 10 parts of furfuryl ketone-formaldehyde resin, 3 parts of epoxy resin, 3 parts of urea and 40 parts of fly ash. The epoxy resin is prepared by mixing E51 epoxy resin and synthetic resin curing agents according to the weight percentage of-7: 1.
The third embodiment of the invention is as follows:
the concrete cementing material of the embodiment comprises the following raw materials in parts by weight: 8 parts of phenolic modified furfuryl alcohol resin, 8 parts of furfuryl ketone-formaldehyde resin, 2.5 parts of epoxy resin, 2.5 parts of urea and 35 parts of fly ash. The epoxy resin is prepared by mixing E51 epoxy resin and synthetic resin curing agents according to the weight percentage of 6: 1.
The fourth embodiment of the invention is as follows:
the concrete cementing material of the embodiment comprises the following raw materials in parts by weight: 6 parts of phenolic modified furfuryl alcohol resin, 9 parts of furfuryl ketone-formaldehyde resin, 2 parts of epoxy resin, 2 parts of urea and 35 parts of fly ash. The epoxy resin is prepared by mixing phenolic epoxy resin and a synthetic resin curing agent according to the weight percentage of 5: 1.
The fifth embodiment of the invention is as follows:
the concrete cementing material of the embodiment comprises the following raw materials in parts by weight: 10 parts of phenolic modified furfuryl alcohol resin, 8 parts of furfuryl ketone-formaldehyde resin, 3 parts of epoxy resin, 3 parts of urea and 40 parts of fly ash. The epoxy resin is prepared by mixing phenolic epoxy resin and a synthetic resin curing agent according to the weight percentage of 8: 1.
Performance testing
And (3) adding 40 parts of water into the concrete cementing material prepared in the first to fifth embodiments, adding the water into the concrete cementing material evenly for 2 to 3 times, continuing stirring for 1.5 to 2 minutes, specifically according to the specification of China' acceptance Standard for construction quality of concrete Structure engineering (GB50204-2202), spraying water for curing within 12 hours after pouring, and naturally curing for 14 to 28 days to prepare a finished product of the pervious concrete.
The 28d compressive strength of the pervious concrete obtained in the first to fifth examples is 41.1MPa, 42.6MPa, 42.3MPa, 43.6MPa and 43.8MPa in sequence, and the water permeability coefficient is 23mm/s, 26mm/s, 25mm/s, 28mm/s and 29mm/s in sequence.
In conclusion, the concrete cementing material provided by the invention has the advantages of crack resistance and impact resistance.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention in the specification or directly or indirectly applied to the related technical field are included in the scope of the present invention.
Claims (3)
1. The concrete cementing material is characterized by comprising the following raw materials in parts by weight: 5-10 parts of phenolic modified furfuryl alcohol resin, 5-10 parts of furfuryl ketone-formaldehyde resin, 2-3 parts of epoxy resin, 2-3 parts of urea and 30-40 parts of fly ash;
the epoxy resin is prepared by mixing phenolic epoxy resin and synthetic resin curing agent according to the weight percentage of (5-8) to 1 or the epoxy resin is prepared by mixing E51 epoxy resin and synthetic resin curing agent according to the weight percentage of (5-7) to 1.
2. The concrete cementing agent of claim 1, which is prepared from the following raw materials in parts by weight: 6-8 parts of phenolic modified furfuryl alcohol resin, 9-10 parts of furfuryl ketone-formaldehyde resin, 2-3 parts of epoxy resin, 2-3 parts of urea and 35-40 parts of fly ash.
3. The concrete cementing agent of claim 1, which is prepared from the following raw materials in parts by weight: 9-10 parts of phenolic modified furfuryl alcohol resin, 6-8 parts of furfuryl ketone-formaldehyde resin, 2-3 parts of epoxy resin, 2-3 parts of urea and 35-40 parts of fly ash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116952.4A CN108892410B (en) | 2018-09-25 | 2018-09-25 | Concrete cementing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116952.4A CN108892410B (en) | 2018-09-25 | 2018-09-25 | Concrete cementing material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108892410A CN108892410A (en) | 2018-11-27 |
| CN108892410B true CN108892410B (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811116952.4A Active CN108892410B (en) | 2018-09-25 | 2018-09-25 | Concrete cementing material |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120096375A (en) * | 2011-02-22 | 2012-08-30 | 정중호 | Polymer concrete composite and permeable block thereof |
| CN104371602A (en) * | 2014-10-31 | 2015-02-25 | 青岛昌安达药业有限公司 | High-temperature-resistant adhesive |
| CN104403260A (en) * | 2014-12-09 | 2015-03-11 | 济南圣泉集团股份有限公司 | Graphene modified furan resin material and preparation method thereof |
| CN105036612A (en) * | 2015-07-23 | 2015-11-11 | 南京道润交通科技有限公司 | High-strength super-toughness resin concrete and preparing method thereof |
| CN107522424A (en) * | 2017-07-31 | 2017-12-29 | 铜陵丰泽建材科技有限公司 | A kind of preparation method of pressure-resistant coal ash steam-pressing brisk |
-
2018
- 2018-09-25 CN CN201811116952.4A patent/CN108892410B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120096375A (en) * | 2011-02-22 | 2012-08-30 | 정중호 | Polymer concrete composite and permeable block thereof |
| CN104371602A (en) * | 2014-10-31 | 2015-02-25 | 青岛昌安达药业有限公司 | High-temperature-resistant adhesive |
| CN104403260A (en) * | 2014-12-09 | 2015-03-11 | 济南圣泉集团股份有限公司 | Graphene modified furan resin material and preparation method thereof |
| CN105036612A (en) * | 2015-07-23 | 2015-11-11 | 南京道润交通科技有限公司 | High-strength super-toughness resin concrete and preparing method thereof |
| CN107522424A (en) * | 2017-07-31 | 2017-12-29 | 铜陵丰泽建材科技有限公司 | A kind of preparation method of pressure-resistant coal ash steam-pressing brisk |
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| Publication number | Publication date |
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| CN108892410A (en) | 2018-11-27 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A concrete binder Effective date of registration: 20220114 Granted publication date: 20201225 Pledgee: Industrial and Commercial Bank of China Limited Taining sub branch Pledgor: FUJIAN SANKAI BUILDING MATERIALS Co.,Ltd. Registration number: Y2022350000007 |
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