CN106866062B - Finishing cement of the organo-mineral complexing of high-content fly ash and its preparation method and application - Google Patents
Finishing cement of the organo-mineral complexing of high-content fly ash and its preparation method and application Download PDFInfo
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- CN106866062B CN106866062B CN201510920797.1A CN201510920797A CN106866062B CN 106866062 B CN106866062 B CN 106866062B CN 201510920797 A CN201510920797 A CN 201510920797A CN 106866062 B CN106866062 B CN 106866062B
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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
- 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
- C04B28/04—Portland cements
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
Abstract
The invention discloses finishing cement of the organo-mineral complexing of a kind of high-content fly ash and its preparation method and application, belong to cement technology field, the finishing cement is made of by weight following raw material: 50~75 parts of flyash, 20~35 parts of portland cement, 5~15 parts of 300~400 mesh calcium powder, 0.5~2 part of re-dispersible glue powder, 0.1~0.6 part of cellulose ether, 0.2~0.5 part of polypropylene fiber, 0.1~0.4 part of wood fibre.Flyash in the present invention can be I grades of flyash, II grades of flyash, III level flyash or reject fly ash, it is fly-ash-contained to account for 50% or more of whole raw material gross weights, there is no rigors to the quality of flyash, greatly improve flyash in the utilization rate in finishing field, it reduces environmental pollution, the dosage of cement is reduced, the energy is saved, reduces cost.
Description
Technical field
The present invention relates to decoration technology field more particularly to a kind of finishing water of the organo-mineral complexing of high-content fly ash
Mud and its preparation method and application.
Background technique
Building field, common cementitious material have cement, gypsum etc..Cementitious material can be with aggregate (sand) and other auxiliary materials
It is mixed with mortar, is handled for wall, including masonry mortar, plastering mortar, putty, ceramic tile bond etc..On the market temporarily
Not specifically for the cementitious material in finishing field.
In fitment process, cementitious materials the problem is that: cement cost is higher, carry out wall processing
When, since the specific gravity of ordinary cement is larger, (bulk density is generally 900~1300kg/m3), gravity flow is easy during metope batch is scraped
Tenesmus causes construction inconvenient；Intensity lower easy crack when ordinary cement is used alone, it is therefore desirable to cooperate aggregate (generally day
Right sand, broken sand etc.) it mortar be made can be only achieved certain strength grade, and how irregular the particle of natural sand is, ordinary cement
For the putty or plastering mortar of preparation during constructing levelling, needing repeatedly to construct repeatedly can be only achieved good effect, have
There is certain difficulty of construction；And cement belongs to hydraulic cementing materials (under the action of water harden), need after construction into
Row moisturizing maintenance, it is inconvenient to conserve for the metope of household.
In fitment process, gypsum advantage of lower cost, but gypsum cementitious material the problem is that: gypsum belongs to gas
Hydraulic cement (drying condition) can only harden in air, and water resistance is poor, has water kitchen or wall exterior decoration etc. are easy
Place be not suitable for using, and its rate of set is very fast, needs extemporaneous preparation, and the gypsum characteristics of different sources are slightly poor
It is different, it needs to add corresponding retarder according to gypsum characteristics being compounded, increases difficulty of construction.
And in fitment process, metope base treatment is essential link, after former metope is cleared up, it is necessary to
The processes such as plaster leveling, polishing putty are carried out, and this two procedures is more demanding to the levelability of construction, ordinary cement preparation
Plastering mortar, polishing putty have the requirement of higher construction, needing to scratch 3,4 times can just look for due to the scrambling influence of sand
It is flat, difficulty of construction is considerably increased, construction efficiency is reduced；Tiling, floor tile etc. are also an important ring for finishing, traditional water
The ceramic tile adhesive cohesive force of cement mortar is weaker, and consume a large amount of yellow ground, cement etc., not environmentally, and novel ceramic tile gluing
Although economic and environment-friendly cohesive force is good for agent, but price is higher, and consumer is difficult to receive.
Therefore, it is necessary to provide it is a kind of suitable for the economic and environment-friendly of the field of finishing, construction efficiency is good, the convenient finishing of maintenance
Cement.
Summary of the invention
The technical problem to be solved in the present invention is to provide it is a kind of suitable for the field of finishing it is economic and environment-friendly, construction efficiency it is good,
Conserve the finishing cement and its preparation method and application of the organo-mineral complexing of convenient high-content fly ash.
In order to solve the above technical problems, present invention offer technical solution is as follows:
On the one hand, a kind of finishing cement of the organo-mineral complexing of high-content fly ash is provided, by weight by following raw material
Part composition:
Flyash in the present invention can be I grades of flyash, II grades of flyash, III level flyash or reject fly ash, fine coal
Grey incorporation accounts for 50% or more of whole raw material gross weights, does not have rigors to the quality of flyash, is fitting up flyash
The utilization rate in field greatly improves, and reduces environmental pollution, and reduces the dosage of cement, economic and environment-friendly, reduces cost；Dress of the invention
It is light to repair cement bulk density, dry density is 500~1000kg/m3, and fly ash grain is mostly tiny spherical shape, is easy to construct and smear
It is flat, difficulty of construction is reduced, construction efficiency is improved；And finishing cement of the invention can not add aggregate and directly use, still
There are preferable workability, using effect；The present invention passes through addition cement masterbatch (including calcium powder, re-dispersible glue powder, cellulose
Ether, polypropylene fiber, wood fibre) water-retaining property and adhesion strength for fitting up cement are improved, service performance greatly improves, to overcome
The flyash of high additive makes the defect of the easy dusting of coat of plaster, crackle；Calcium powder in the present invention can increase the early stage of finishing cement
Intensity, portland cement increase the mid-term intensity of finishing cement, and the later period that a large amount of flyash substantially increases finishing cement is strong
Degree, the reasonable addition of auxiliary material increase the adhesion strength of finishing cement, and many kinds of substance, which reasonably matches, ensure that dress of the invention
Repair the service performance and workability of cement, flyash category air-drying property conserving material easily conserves after construction, the intensity after construction with
The passage of time slowly reinforce, extend service life, suitable for indoor and outdoor equal dry or moist various finishing strips
Part.
Preferably, the finishing cement of the organo-mineral complexing of the high-content fly ash, by following raw material group by weight
At:
The proportion of reasonable flyash and portland cement not only can guarantee the intensity of finishing cement, but also can reasonable utilization
Flyash waste material, the reasonable addition of cement masterbatch increase adhesion strength, the workability etc. of finishing cement.
It is highly preferred that the finishing cement of the organo-mineral complexing of the high-content fly ash, by weight by following raw material
Composition:
More preferably, the finishing cement of the organo-mineral complexing of the high-content fly ash, by weight by following raw material
Composition:
Further, the calcium powder is one of dicalcium powder, light calcium powder or sierozem power or a variety of.Calcium powder mainly increases
Fit up the early strength of cement.
Preferably, the portland cement is 42.5# portland cement.32.5# also can be used in the portland cement
Portland cement, 52.5# portland cement, 62.5# portland cement, comprehensively consider from cost etc., it is preferable to use 42.5#
Portland cement.
Further, the cellulose ether is hydroxypropyl methyl cellulose；The re-dispersible glue powder be vinyl acetate with
Ethylene copolymer latex powder, vinylacetate and higher aliphatic vinyl acetate emulsion copolymer powder or watt gram rubber powder it is one or more；
Described watt of gram rubber powder is one of 7044,8034H, 8031H, 5010N, 5011N or a variety of.Cellulose ether can significantly improve
Fit up the service performance of cement；The rheological characteristic of finishing cement can be enhanced in cocoa dispersion rubber powder, improves the workability of finishing cement.
Preferably, the length of the polypropylene fiber is 3mm~6mm, and the length of the wood fibre is 2mm~4mm.Polypropylene fibre
Fiber and wood fibre have water suction thickening power, thus it is possible to vary the rheological behavior of mortar, improve mortar can application property, polypropylene fibre
Fiber and wood fibre interaction can significantly improve the construction and service performance of mortar.
On the other hand, a kind of preparation side of the finishing cement of the organo-mineral complexing of above-mentioned high-content fly ash is provided
The raw material of the finishing cement is added in dry-powder putty mixing machine by method with ratio in order, and stirring is prepared into for 8~12 minutes
To the finishing cement.
The preparation method of finishing cement of the invention is simple, and exploitativeness is strong.Emphasize that existing cement is compounding+grinding, this
Invention contains organic matter, cannot grind, physical agitation.
In another aspect, providing a kind of application of the finishing cement of the organo-mineral complexing of high-content fly ash, the height
The finishing cement of the organo-mineral complexing of content fly ash is mixed with to obtain high additive powder by 1:1~1:3 with pigment coal ash is crossed
The inner wall putty of coal ash.
Crossing pigment coal ash is that coal-fired plant is handled for convenience, and the waste material after adding water transport to go out, the flyash after adding water is almost
Its distinctive activity is lost, is difficult to recycle, forms and largely crosses water fly ash waste, and finishing cement of the invention can be with
Pigment coal ash was efficiently used, the utilization rate of flyash is further increased, utilization rate reaches 87.5% or more, and institute of the present invention
The putty of preparation meets construction reference, and putty, which polishes, to work well, and can promote the use of on a large scale.
In another aspect, providing a kind of application of the finishing cement of the organo-mineral complexing of high-content fly ash, the height
The finishing cement and Desert Sand of the organo-mineral complexing of content fly ash are mixed with to obtain exterior wall putty, plastering by 1:1~1:3
Mortar or ceramic tile adhesive.
Since Desert Sand is too thin, there have to be native, too glutinous, plasticity is poor, compared with river sand, is less suitable for use in building and mixes
In solidifying soil, the reserves of Desert Sand are very big, hardly result in effective use.And finishing cement of the invention can efficiently use desert
Sand reduces the wasting of resources, and exterior wall putty prepared by the present invention, plastering mortar or ceramic tile adhesive meet construction reference,
Performance is smoothed out with preferable repairing, can be promoted the use of on a large scale.
In another aspect, a kind of application of the finishing cement of organo-mineral complexing of high-content fly ash, the high additive
The finishing cement of the organo-mineral complexing of flyash and recycling micro mist are mixed with to obtain polished putty, insipid again by 1:1~1:3
Son.
Recycling micro mist is the dust generated in building yard work progress, also referred to as building waste dust, due to recycling micro mist
Superfine, Yi Feiyang, plasticity is poor, causes environmental pollution, hardly results in effective use.And finishing cement of the invention can have
Effect reduces the wasting of resources using recycling micro mist, and polished putty prepared by the present invention, regeneration putty meet construction reference,
It can promote the use of on a large scale.
In conclusion beneficial effects of the present invention show themselves in that
1) flyash in the present invention can be I grades of flyash, II grades of flyash, III level flyash or reject fly ash, powder
Coal ash incorporation accounts for 50% or more of whole raw material gross weights, does not have rigors to the quality of flyash, is filling flyash
The utilization rate for repairing field greatly improves, and reduces environmental pollution, and reduces the dosage of cement, economic and environment-friendly, reduces cost；
2) finishing cement bulk density of the invention is light, and dry density is 500~1000kg/m3, and fly ash grain is mostly thin
Small spherical shape, be easy to construct floating, reduces difficulty of construction, improves construction efficiency；And finishing cement of the invention can not add
Add aggregate directly to use, still there is preferable workability, using effect；
3) present invention is (including calcium powder, re-dispersible glue powder, cellulose ether, polypropylene fiber, wooden by addition cement masterbatch
Fiber) water-retaining property and adhesion strength for fitting up cement are improved, service performance greatly improves, to overcome the flyash of high additive easy
Make the defect of coat of plaster dusting, crackle；
4) calcium powder in the present invention can increase the early strength of finishing cement, and portland cement increases in finishing cement
Phase intensity, a large amount of flyash substantially increase the later strength of finishing cement, and the reasonable addition of auxiliary material increases finishing cement
Adhesion strength, many kinds of substance reasonably matches the service performance and workability that ensure that finishing cement of the invention, fine coal
Ash belongs to air-drying property conserving material, easily conserves after construction, the intensity after construction is slowly reinforced over time, makes service life
Extend, waits dry or moist various finishing conditions suitable for indoor and outdoor.
Specific embodiment
To keep the embodiment of the present invention technical problems to be solved, technical solution and advantage clearer, below in conjunction with
Specific embodiment is described in detail.But the present invention is limited to absolutely not these examples.As described below is only the preferable implementation of the present invention
Example is only used to explain the present invention, and it cannot be understood as the limitations of the invention patent range.It should be pointed out that all
Any modifications, equivalent replacements, and improvements etc. done within the spirit and principles in the present invention, should be included in guarantor of the invention
Within the scope of shield.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Embodiment one
By the raw material preparation finishing cement of following parts by weight:
Embodiment two
By the raw material preparation finishing cement of following parts by weight:
Embodiment three
By the raw material preparation finishing cement of following parts by weight:
Example IV
By the raw material preparation finishing cement of following parts by weight:
Embodiment five
By the raw material preparation finishing cement of following parts by weight:
A kind of preparation method of finishing cement of the invention:
Step 1: above-mentioned 325 mesh calcium powder, re-dispersible glue powder, cellulose ether and the polypropylene fiber of embodiment are filled in proportion
Divide and is mixed to prepare cement masterbatch；
Step 2: above-mentioned flyash, portland cement and cement masterbatch being added sequentially in mixing machine in proportion, stirred
The finishing cement is uniformly prepared.
Comparative example one
Cement is prepared by the raw material of following parts by weight:
Above-mentioned raw materials are put in blender, are sufficiently stirred about 15 minutes, are uniformly mixed.
Comparative example two
Cement is prepared by the raw material of following parts by weight:
Above-mentioned raw materials are put in blender, are sufficiently stirred about 15 minutes, are uniformly mixed.
By embodiment one to embodiment five, the finishing cement prepared in comparative example one, two and crosses pigment coal ash by weight
1:3 is prepared into inner wall putty, and the fly ash content in putty reaches 87.5 or more, and suitable quantity of water is added in putty, is prepared into mark
Sample is made by standard requirements in quasi- putty slurry, and sample adhesion strength prepared by embodiment one to embodiment five is greater than 0.3MPa,
Sample does not crack, and non-scale does not lose powder, and meets construction reference, and sample adhesion strength prepared by comparative example one, two is lower than
The sample of 0.2MPa, especially comparative example two preparation locally has the phenomenon that cracking, peeling picking.
By embodiment one to embodiment five, the finishing cement prepared in comparative example one, two, with Desert Sand by weight 1:2
Be prepared into plastering mortar, suitable quantity of water be added, is prepared into the plastering mortar of standard, be made sample by standard requirements, embodiment one to
Sample adhesion strength prepared by embodiment five is greater than 0.3MPa, and sample does not crack, and non-scale does not lose powder, and meets construction reference, and
Sample adhesion strength prepared by comparative example one, two, which is lower than sample prepared by 0.3MPa, especially comparative example two, locally to be had cracking, rises
The phenomenon that skin loses powder.
By embodiment one to embodiment five, the finishing cement prepared in comparative example one, two is mixed with recycling micro mist by 1:1
Suitable quantity of water is added in the polished putty of preparation, is prepared into the putty slurry of standard, sample, embodiment one to reality is made by standard requirements
The sample adhesion strength for applying the preparation of example five is greater than 0.3MPa, and sample does not crack, and non-scale does not lose powder, and meets construction reference, and right
Sample adhesion strength prepared by ratio one, two, which is lower than sample prepared by 0.2MPa, especially comparative example two, locally cracking, peeling
The phenomenon that picking.
Illustrate that finishing cement of the invention can prepare standard compliant putty, plastering mortar etc. in above-described embodiment, and
And can reach construction requirement, it complies with standard, and work progress is smooth, does not need repeatedly levelling, construction can be significantly improved
Efficiency is highly suitable for finishing field.
Flyash in the present invention can be I grades of flyash, II grades of flyash, III level flyash or reject fly ash, fine coal
Grey incorporation accounts for 50% or more of whole raw material gross weights, does not have rigors to the quality of flyash, is fitting up flyash
The utilization rate in field greatly improves, and reduces environmental pollution, and reduces the dosage of cement, economic and environment-friendly, reduces cost；Dress of the invention
It is light to repair cement bulk density, dry density is 500~1000kg/m3, and fly ash grain is mostly tiny spherical shape, is easy to construct and smear
It is flat, difficulty of construction is reduced, construction efficiency is improved；And finishing cement of the invention can not add aggregate and directly use, still
There are preferable workability, using effect；The present invention passes through addition cement masterbatch (including calcium powder, re-dispersible glue powder, cellulose
Ether, polypropylene fiber, wood fibre) water-retaining property and adhesion strength for fitting up cement are improved, service performance greatly improves, to overcome
The flyash of high additive makes the defect of the easy dusting of coat of plaster, crackle；Calcium powder in the present invention can increase the early stage of finishing cement
Intensity, portland cement increase the mid-term intensity of finishing cement, and the later period that a large amount of flyash substantially increases finishing cement is strong
Degree, the reasonable addition of auxiliary material increase the adhesion strength of finishing cement, and many kinds of substance, which reasonably matches, ensure that dress of the invention
Repair the service performance and workability of cement, flyash category air-drying property conserving material easily conserves after construction, the intensity after construction with
The passage of time slowly reinforce, extend service life, suitable for indoor and outdoor equal dry or moist various finishing strips
Part.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of finishing cement of the organo-mineral complexing of high-content fly ash, which is characterized in that by weight by following raw material
Composition:
The dry density of the finishing cement is 500~1000kg/m3。
2. the finishing cement of the organo-mineral complexing of high-content fly ash according to claim 1, which is characterized in that by with
Lower raw material forms by weight:
3. the finishing cement of the organo-mineral complexing of high-content fly ash according to claim 2, which is characterized in that by with
Lower raw material forms by weight:
4. the finishing cement of the organo-mineral complexing of high-content fly ash according to any one of claims 1 to 3, feature exist
In the calcium powder is one or both of calcium hydroxide or sierozem power；The portland cement is 42.5# portland cement.
5. the finishing cement of the organo-mineral complexing of high-content fly ash according to claim 4, which is characterized in that described
Cellulose ether is hydroxypropyl methyl cellulose；The re-dispersible glue powder is vinyl acetate and ethylene copolymer latex powder, acetic acid second
Enester and higher aliphatic vinyl acetate emulsion copolymer powder, watt gram rubber powder it is one or more；Described watt of gram rubber powder be 7044,
One of 8034H, 8031H, 5010N, 5011N or a variety of.
6. the finishing cement of the organo-mineral complexing of high-content fly ash according to claim 4, which is characterized in that described
The length of polypropylene fiber is 3mm~6mm, and the length of the wood fibre is 2mm~4mm.
7. the preparation method of the finishing cement of the organo-mineral complexing of any high-content fly ash of claim 1 to 6,
It is characterized in that,
Step 1: the 325 mesh calcium powder, re-dispersible glue powder, cellulose ether and polypropylene fiber are sufficiently mixed obtained water in proportion
Mud masterbatch；
Step 2: the flyash, portland cement and cement masterbatch being added sequentially in mixing machine in proportion, stirred evenly
The finishing cement is prepared.
8. the application of the finishing cement of the organo-mineral complexing for the high-content fly ash that claim 7 is prepared, feature exist
In, by the finishing cement and cross pigment coal ash be mixed with to obtain the inner wall putty of high-content fly ash by 1:1~1:3.
9. the application of the finishing cement of the organo-mineral complexing for the high-content fly ash that claim 7 is prepared, feature exist
In being mixed with the finishing cement and Desert Sand to obtain exterior wall putty, plastering mortar or ceramic tile adhesive by 1:1~1:3.
10. the application of the finishing cement of the organo-mineral complexing for the high-content fly ash that claim 7 is prepared, feature exist
In being mixed with to obtain polished putty, regeneration putty by 1:1~1:3 for the finishing cement and recycling micro mist.
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| CN107722703A (en) * | 2017-09-28 | 2018-02-23 | 贵州益新装配式新型建材有限公司 | A kind of wall plastering gypsum compositions and preparation method thereof |
| CN107722702A (en) * | 2017-09-28 | 2018-02-23 | 贵州益新装配式新型建材有限公司 | A kind of gypsum base exterior wall foundation composition and preparation method thereof |
| CN114195462A (en) * | 2019-04-10 | 2022-03-18 | 石河子大学 | Graphene oxide desert sand cement-based composite material |
| CN113929415A (en) * | 2021-11-06 | 2022-01-14 | 南通鸿东建材有限公司 | Novel thermal insulation mortar manufacturing process |
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| CN104098295A (en) * | 2013-04-08 | 2014-10-15 | 天津市建堃水泥有限公司 | Fly ash cement and preparation method thereof |
| CN103803821A (en) * | 2013-12-16 | 2014-05-21 | 张家港市双林制墨涂装有限公司 | Fly ash cement and preparation method thereof |
| CN104402270A (en) * | 2014-12-01 | 2015-03-11 | 北京高能时代环境技术股份有限公司 | High-calcium coal ash cement and preparation method thereof |
| CN104803648A (en) * | 2015-04-17 | 2015-07-29 | 昆明风行防水材料有限公司 | Adhesive composition |
| CN104973831A (en) * | 2015-06-17 | 2015-10-14 | 杭州正博新型建筑材料有限公司 | Construction rubber powder and preparation method therefor |
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