CN108892452A - A kind of novel water-keeping material and its preparation method and application - Google Patents
A kind of novel water-keeping material and its preparation method and application Download PDFInfo
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- CN108892452A CN108892452A CN201810953245.4A CN201810953245A CN108892452A CN 108892452 A CN108892452 A CN 108892452A CN 201810953245 A CN201810953245 A CN 201810953245A CN 108892452 A CN108892452 A CN 108892452A
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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
- C04B2111/00482—Coating or impregnation materials
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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
- C04B2111/00767—Uses not provided for elsewhere in C04B2111/00 for waste stabilisation purposes
- C04B2111/00775—Uses not provided for elsewhere in C04B2111/00 for waste stabilisation purposes the composition being used as waste barriers or the like, e.g. compositions used for waste disposal purposes only, but not containing the waste itself
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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
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to water-keeping material technical fields, more particularly, to a kind of novel water-keeping material and its preparation method and application.The novel water-keeping material is mainly made of following component according to parts by weight：50-70 parts of cement, 10-20 parts of haydite, 3-8 parts of kaolin, 3-8 parts of zeolite powder, 10-15 parts of aluminium sulfate, 5-7 parts of silicate, 25-35 parts of acrylic acid, 10-20 parts of acrylamide, 1-3 parts of coupling agent containing double bond and 0.1-0.5 parts of initiator.The water-keeping material has excellent water retention characteristic, while can bond rejected material and integrate, and forms the protective layer with some strength, poor so as to solve windrow stability existing in the prior art, be easy to cause the technical problems such as soil erosion.
Description
Technical field
The present invention relates to water-keeping material technical fields, more particularly, to a kind of novel water-keeping material and preparation method thereof and answer
With.
Background technique
In recent years, with the continuous propulsion of Process of Urbanization Construction, the construction of traffic infrastructure is more and more.Highway bridge work
Journey needs in the construction process using reasonable earthwork balance and construction technology etc. across waters, mountain valley etc., such as includes that skeleton protects
Slope, slag blocking wall, drainage system and landscape planting engineering etc., to improve the ability of prevention soil and water loss.
In the prior art, after excavation obtains slag charge, part can be used as filler, not available rejected material part needs to be placed in
Cinder field accommodates, and in rejected material in the long-term discharge process of cinder field, the side slope that windrow will cause cinder field is higher, the stabilization of windrow
A series of problems, such as property is poor, causes water and soil conservation, the environmental protection of cinder field and its linking-up road.
In view of this, the present invention is specifically proposed.
Summary of the invention
The first object of the present invention is to provide a kind of novel water-keeping material, and the water-keeping material has excellent water conservation special
Property, while rejected material can be bonded and be integrated, the protective layer with some strength is formed, so as to solve to exist in the prior art
Windrow stability it is poor, be easy to cause the technical problems such as soil erosion.
The second object of the present invention is to provide a kind of preparation method of novel water-keeping material, the preparation method operation letter
It is single, it is suitable for industrialized production；And the compatibility of the water-keeping material being prepared and windrow etc. is good, facilitates the water for improving cinder field
Soil is kept and environmental aspect.
The third object of the present invention is to provide application of one kind novel water-keeping material in cinder field waste is banked up, institute
The stability of stability and side slope that waste is banked up can be effectively improved by stating water-keeping material.
In order to realize above-mentioned purpose of the invention, spy uses following technical scheme：
A kind of novel water-keeping material is mainly made of following component according to parts by weight：
50-70 parts of cement, 10-20 parts of haydite, 3-8 parts of kaolin, 3-8 parts of zeolite powder, 10-15 parts of aluminium sulfate, silicic acid
5-7 parts of salt, 25-35 parts of acrylic acid, 10-20 parts of acrylamide, 1-3 parts of coupling agent containing double bond and 0.1-0.5 parts of initiator.
The present invention is compounded by using mentioned component, the novel water-keeping material being prepared, using haydite, kaolin, boiling
Mountain flour, aluminium sulfate and silicate compounding cement improve the mechanical strength of cement, while cooperating acrylic acid, acrylamide and containing double
The polymerization reaction of key coupling agent is formed three-dimensional using haydite, kaolin and zeolite powder as crosslinking points around the inorganic matters such as cement
Reticular structure has excellent water retention property, while coupling agent containing double bond is while with acrylic acid and acrylamide polymerization, separately
One end and remaining inorganic material are crosslinked, so that in the water-keeping material, inorganic material and organic material highly compatible, use process
In will not be layered, crack, improve mechanical strength and water retention property.
Preferably, the novel water-keeping material is mainly made of following component according to parts by weight：
55-65 parts of cement, 15-18 parts of haydite, 4-6 parts of kaolin, 4-6 parts of zeolite powder, 10-15 parts of aluminium sulfate, silicic acid
5-7 parts of salt, 28-32 parts of acrylic acid, 12-18 parts of acrylamide, 1.5-2 parts of coupling agent containing double bond and 0.2-0.4 parts of initiator.
Preferably, the novel water-keeping material is mainly made of following component according to parts by weight：
60 parts of cement, 16 parts of haydite, 5 parts of kaolin, 5 parts of zeolite powder, 15 parts of aluminium sulfate, 6 parts of silicate, acrylic acid 30
Part, 15 parts of acrylamide, 2 parts and 0.3 part of initiator of coupling agent containing double bond.
Preferably, the haydite is lytag.
Preferably, the partial size of the haydite is 5-10mm, and the bulk density of the haydite is 750-800kg/m3, cylinder pressure
Degree is 6-9MPa.
The haydite uses lytag, has recycled flyash, the cost of raw material substantially reduces；And the pottery
Intragranular portion has a large amount of hole, can be used as the crosslinking points of acrylic acid and acrylamide, takes into account and improves water-retaining property and mechanical strength.
Preferably, the kaolinic partial size is 2-5 μm.
Preferably, the partial size of the zeolite powder is 50-100 μm.
Using the kaolin and zeolite powder of above-mentioned partial size, be conducive to be uniformly mixed, and complete subsequent construction.
Preferably, the aluminium sulfate includes calcium sulphoaluminate, and the silicate includes dicalcium silicate.It is furthermore preferred that described
The mass ratio of calcium sulphoaluminate and dicalcium silicate is (2-3) ﹕ 1, preferably 2.5 ﹕ 1.
The present invention is compounded using calcium sulphoaluminate and dicalcium silicate, can quickly be dissolved after aquation and be generated calcium ion, sulfurous acid
Radical ion, meta-aluminic acid radical ion, hydroxide ion etc., these ion rapid aggregations form inorganic water conservation body by hydration reaction
System.Using the calcium sulphoaluminate and dicalcium silicate of aforementioned proportion, it can guarantee the abundant progress of hydration reaction, improve the water conservation material
The water-retaining property of material.
Preferably, the cement include ordinary portland cement, portland slag cement, Portland pozzolana cement,
One of Portland fly ash cement, composite Portland cement are a variety of.It is furthermore preferred that the cement includes normal silicate
One or both of cement and Portland fly ash cement.It is further preferred that the cement includes in mass ratio being 1 ﹕
The ordinary portland cement and Portland fly ash cement of (0.5-1.5), preferably 1 ﹕ 1.
Using ordinary portland cement and Portland fly ash cement, the interface compatibility between each inorganic matter is improved, such as
The interface compatibility of haydite and Portland fly ash cement is improved, to improve water retention property and mechanical strength.
Preferably, the mass ratio of the kaolin and zeolite powder is 1 ﹕ 1.
Preferably, the coupling agent containing double bond is silane coupling agent containing double bond.It is furthermore preferred that described silane coupled containing double bond
Agent includes one of KH-570, KH-171, KH-172 and KH-151 or a variety of.
Using above-mentioned coupling agent containing double bond, bridge chain can be formed between inorganic matter and organic matter, improved inorganic and organic
Between compatibility, avoid the water-keeping material from being layered or cracking etc., improve the performance of water-keeping material.
Preferably, the initiator includes azo-initiator, peroxide type initiators and redox type initiators
One of or it is a variety of.It is furthermore preferred that the initiator is benzoyl peroxide.
The present invention also provides a kind of preparation methods of novel water-keeping material, and steps are as follows：
By each raw material hybrid reaction to obtain the final product.
Preferably, by cement, haydite, kaolin, zeolite powder, aluminium sulfate, silicate, acrylic acid, acrylamide, containing double
Key coupling agent is uniformly mixed, and initiator is added, reacts to obtain the final product.
Preparation method of the present invention is easy to operate, mild condition, is suitable for industrialized production.
The present invention also provides a kind of application of novel water-keeping material in cinder field waste is banked up.
Water-keeping material of the present invention is sprayable to waste heap surface, while hydrated cementitious, acrylic acid, acryloyl
Amine and other substances crosslink effect, formation tridimensional network, with solidified cement body synchronize be covered on the surface of waste heap,
Avoid water wash away soil erosion caused by waste or waste heap bank up it is excessively high after caused by sliding etc.；Spray the water conservation material
After material, stop waste, both avoided water and washed away, in turn avoids waste sliding, effectively improve the stability and side slope that waste is banked up
Stability.
Preferably, the novel water-keeping material is sprayed to waste heap surface by compressed air.
Preferably, the pressure of the compressed air is 0.3-0.5MPa.
Preferably, the water-keeping material on waste heap surface with a thickness of 10-50mm.
Compared with prior art, beneficial effects of the present invention are：
(1) novel water-keeping material of the present invention, it is multiple using haydite, kaolin, zeolite powder, aluminium sulfate and silicate
The mechanical strength of cement is improved with cement, while cooperating the polymerization reaction of acrylic acid, acrylamide and the coupling agent containing double bond, with pottery
Grain, kaolin and zeolite powder form tridimensional network around the inorganic matters such as cement as crosslinking points, have excellent water conservation
Performance, while coupling agent containing double bond, while with acrylic acid and acrylamide polymerization, the other end and remaining inorganic material are crosslinked,
So that in the water-keeping material, inorganic material and organic material highly compatible will not be layered in use process, crack, improve
Mechanical strength and water retention property；
(2) preparation method of the present invention is easy to operate, mild condition, is suitable for industrialized production；
(3) water-keeping material of the present invention is sprayable to waste heap surface, while hydrated cementitious, acrylic acid, third
Acrylamide and other substances crosslink effect, formation tridimensional network, with solidified cement body synchronize be covered on waste heap
Surface, avoid water wash away soil erosion caused by waste or waste heap bank up it is excessively high after caused by sliding etc.；Spray the guarantor
After water material, stop waste, both avoided water and washed away, in turn avoid waste sliding, effectively improve stability that waste is banked up and
The stability of side slope.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with specific embodiment, but ability
Field technique personnel will be understood that following described embodiments are some of the embodiments of the present invention, instead of all the embodiments,
It is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.The person that is not specified actual conditions in embodiment, carries out according to conventional conditions or manufacturer's recommended conditions.Agents useful for same or instrument
Production firm person is not specified, is the conventional products that can be obtained by commercially available purchase.
Embodiment 1
The preparation method of novel water-keeping material described in the present embodiment is as follows：
By 5 parts of 5 parts of 16 parts of 60 parts of cement, lytag, kaolin, zeolite powder, calcium sulphoaluminate according to parts by weight
15 parts, 6 parts of dicalcium silicate, 30 parts of acrylic acid, 15 parts of acrylamide, 2 parts of KH-570 coupling agent be uniformly mixed in advance, then
It is added 0.3 part of benzoyl peroxide, polymerization reaction is to get the novel water-keeping material.
Wherein, the partial size of the lytag is 5-10mm, bulk density 750-800kg/m3, cylindrical compress strength 6-
9MPa.The cement includes the ordinary portland cement and Portland fly ash cement for being in mass ratio 1 ﹕ 1.It is described kaolinic
Partial size is 2-5 μm, and the partial size of the zeolite powder is 50-100 μm.
Embodiment 2
The preparation method of novel water-keeping material described in the present embodiment is as follows：
By 6 parts of 4 parts of 15 parts of 55 parts of cement, lytag, kaolin, zeolite powder, calcium sulphoaluminate according to parts by weight
15 parts, 5 parts of dicalcium silicate, 32 parts of acrylic acid, 12 parts of acrylamide, 1.5 parts of KH-570 coupling agent be uniformly mixed in advance, so
0.4 part of benzoyl peroxide is added afterwards, polymerization reaction is to get the novel water-keeping material.
Wherein, the partial size of the lytag is 5-10mm, bulk density 750-800kg/m3, cylindrical compress strength 6-
9MPa.The cement includes the ordinary portland cement and Portland fly ash cement for being in mass ratio 1 ﹕ 1.It is described kaolinic
Partial size is 2-5 μm, and the partial size of the zeolite powder is 50-100 μm.
Embodiment 3
The preparation method of novel water-keeping material described in the present embodiment is as follows：
By 4 parts of 6 parts of 18 parts of 65 parts of cement, lytag, kaolin, zeolite powder, calcium sulphoaluminate according to parts by weight
10 parts, 7 parts of dicalcium silicate, 28 parts of acrylic acid, 18 parts of acrylamide, 2 parts of KH-570 coupling agent be uniformly mixed in advance, then
It is added 0.2 part of benzoyl peroxide, polymerization reaction is to get the novel water-keeping material.
Wherein, the partial size of the lytag is 5-10mm, bulk density 750-800kg/m3, cylindrical compress strength 6-
9MPa.The cement includes the ordinary portland cement and Portland fly ash cement for being in mass ratio 1 ﹕ 1.It is described kaolinic
Partial size is 2-5 μm, and the partial size of the zeolite powder is 50-100 μm.
Embodiment 4
The preparation method of novel water-keeping material described in the present embodiment is as follows：
By 8 parts of 3 parts of 10 parts of 50 parts of cement, lytag, kaolin, zeolite powder, calcium sulphoaluminate according to parts by weight
15 parts, 6 parts of dicalcium silicate, 25 parts of acrylic acid, 20 parts of acrylamide, 1 part of KH-570 coupling agent be uniformly mixed in advance, then
It is added 0.1 part of benzoyl peroxide, polymerization reaction is to get the novel water-keeping material.
Wherein, the partial size of the lytag is 5-10mm, bulk density 750-800kg/m3, cylindrical compress strength 6-
9MPa.The cement includes the ordinary portland cement and Portland fly ash cement for being in mass ratio 1 ﹕ 1.It is described kaolinic
Partial size is 2-5 μm, and the partial size of the zeolite powder is 50-100 μm.
Embodiment 5
The preparation method of novel water-keeping material described in the present embodiment is as follows：
By 3 parts of 8 parts of 20 parts of 70 parts of cement, lytag, kaolin, zeolite powder, calcium sulphoaluminate according to parts by weight
15 parts, 6 parts of dicalcium silicate, 35 parts of acrylic acid, 10 parts of acrylamide, 3 parts of KH-570 coupling agent be uniformly mixed in advance, then
It is added 0.5 part of benzoyl peroxide, polymerization reaction is to get the novel water-keeping material.
Wherein, the partial size of the lytag is 5-10mm, bulk density 750-800kg/m3, cylindrical compress strength 6-
9MPa.The cement includes the ordinary portland cement and Portland fly ash cement for being in mass ratio 1 ﹕ 1.It is described kaolinic
Partial size is 2-5 μm, and the partial size of the zeolite powder is 50-100 μm.
Embodiment 6
The preparation method of the present embodiment reference implementation example 1, difference are only that：3 parts of kaolin, 7 parts of zeolite powder.
Embodiment 7
The preparation method of the present embodiment reference implementation example 1, difference are only that：12.5 parts of calcium sulphoaluminate, dicalcium silicate 8.5
Part.
Embodiment 8
The preparation method of the present embodiment reference implementation example 1, difference are only that：The cement is ordinary portland cement.
Embodiment 9
The preparation method of the present embodiment reference implementation example 1, difference are only that：The cement be in mass ratio be the general of 2 ﹕ 1
Logical portland cement and Portland fly ash cement.
Embodiment 10
The preparation method of the present embodiment reference implementation example 1, difference are only that：The cement be in mass ratio be the general of 2 ﹕ 3
Logical portland cement and Portland fly ash cement.
Embodiment 11
The preparation method of the present embodiment reference implementation example 1, difference are only that：The partial size of the lytag is 5-
10mm, the bulk density of the haydite are 850-900kg/m3。
Embodiment 12
The preparation method of the present embodiment reference implementation example 1, difference are only that：The partial size of the lytag is 5-
10mm, the bulk density of the haydite are 600-700kg/m3。
Comparative example 1
The preparation method of 1 reference implementation example 1 of comparative example, difference are：Be not added in raw material acrylic acid, acrylamide,
Coupling agent containing double bond and initiator.
Comparative example 2
The preparation method of 2 reference implementation example 1 of comparative example, difference are：Haydite, kaolin and zeolite are not added in raw material
Powder.
Experimental example 1
For the performance of comparative illustration various embodiments of the present invention and the water-keeping material of comparative example, to each embodiment and comparative example
The water retention property and mechanical strength for the water-keeping material being prepared are tested, and test result is shown in Tables 1 and 2.
Test method is：Water-keeping material is prepared respectively by each embodiment and comparative example, it is then empty by the compression of 0.4MPa
Gas sprays water-keeping material to the waste heap surface of the same terms, coating thickness 30mm, what test was formed on waste heap surface
It is retained water-retaining property, compression strength and the flexural strength of layer sample.
The water absorption rate and water-retaining property of the different water-keeping materials of table 1
| Number | Water retention/% |
| Embodiment 1 | 95.4 |
| Embodiment 2 | 93.2 |
| Embodiment 3 | 92.9 |
| Embodiment 4 | 92.1 |
| Embodiment 5 | 92.6 |
| Embodiment 6 | 92.3 |
| Embodiment 7 | 91.6 |
| Embodiment 8 | 91.9 |
| Embodiment 9 | 92.5 |
| Embodiment 10 | 92.7 |
| Embodiment 11 | 94.2 |
| Embodiment 12 | 94.6 |
| Comparative example 1 | 86.4 |
| Comparative example 2 | 89.3 |
The compression strength and flexural strength of the different water-keeping materials of table 2
It is found that novel water-keeping material of the present invention from upper table, using haydite, kaolin, zeolite powder, aluminium sulfate
The mechanical strength of cement is improved with silicate compounding cement, while cooperating the poly- of acrylic acid, acrylamide and the coupling agent containing double bond
Reaction is closed, using haydite, kaolin and zeolite powder as crosslinking points, forms tridimensional network around the inorganic matters such as cement, is had
Have an excellent water retention property, while coupling agent containing double bond is while with acrylic acid and acrylamide polymerization, the other end and remaining
Inorganic material crosslinking so that in the water-keeping material, inorganic material and organic material highly compatible, the flexural strength at initial stage compared with
Height will not be layered in use process, crack, improve mechanical strength and water retention property.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that：Its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of novel water-keeping material, which is characterized in that be mainly made of following component according to parts by weight：
50-70 parts of cement, 10-20 parts of haydite, 3-8 parts of kaolin, 3-8 parts of zeolite powder, 10-15 parts of aluminium sulfate, silicate 5-7
Part, 25-35 parts of acrylic acid, 10-20 parts of acrylamide, 1-3 parts of coupling agent containing double bond and 0.1-0.5 parts of initiator.
2. novel water-keeping material according to claim 1, which is characterized in that mainly by following component according to parts by weight
It is made：
55-65 parts of cement, 15-18 parts of haydite, 4-6 parts of kaolin, 4-6 parts of zeolite powder, 10-15 parts of aluminium sulfate, silicate 5-7
Part, 28-32 parts of acrylic acid, 12-18 parts of acrylamide, 1.5-2 parts of coupling agent containing double bond and 0.2-0.4 parts of initiator；
Preferably, it is mainly made of following component according to parts by weight：60 parts of cement, 16 parts of haydite, 5 parts of kaolin, zeolite
5 parts of powder, 15 parts of aluminium sulfate, 6 parts of silicate, 30 parts of acrylic acid, 15 parts of acrylamide, 2 parts of coupling agent containing double bond and initiator
0.3 part.
3. novel water-keeping material according to claim 1, which is characterized in that the haydite is lytag；
Preferably, the partial size of the haydite is 5-10mm, and the bulk density of the haydite is 750-800kg/m3, cylindrical compress strength is
6-9MPa。
4. novel water-keeping material according to claim 1, which is characterized in that the kaolinic partial size is 2-5 μm；
Preferably, the partial size of the zeolite powder is 50-100 μm；
Preferably, the mass ratio of the kaolin and zeolite powder is 1 ﹕ 1.
5. novel water-keeping material according to claim 1, which is characterized in that the aluminium sulfate includes calcium sulphoaluminate, institute
Stating silicate includes dicalcium silicate；
Preferably, the mass ratio of the calcium sulphoaluminate and dicalcium silicate is (2-3) ﹕ 1.
6. novel water-keeping material according to claim 1, which is characterized in that the cement include ordinary portland cement,
One of portland slag cement, Portland pozzolana cement, Portland fly ash cement, composite Portland cement are more
Kind；
Preferably, the cement includes one or both of ordinary portland cement and Portland fly ash cement；
It is furthermore preferred that the cement includes the ordinary portland cement and fly ash silicate for being in mass ratio 1 ﹕ (0.5-1.5)
Cement.
7. novel water-keeping material according to claim 1, which is characterized in that the coupling agent containing double bond is silane containing double bond
Coupling agent；
Preferably, the silane coupling agent containing double bond includes one of KH-570, KH-171, KH-172 and KH-151 or more
Kind；
Preferably, the initiator includes in azo-initiator, peroxide type initiators and redox type initiators
It is one or more.
8. the preparation method of the described in any item novel water-keeping materials of claim 1-7, which is characterized in that steps are as follows：
By each raw material hybrid reaction to obtain the final product；
Preferably, by cement, haydite, kaolin, zeolite powder, aluminium sulfate, silicate, acrylic acid, acrylamide, even containing double bond
Join agent to be uniformly mixed, initiator is added, reacts to obtain the final product.
9. application of the described in any item novel water-keeping materials of claim 1-7 in cinder field waste is banked up.
10. application of the novel water-keeping material according to claim 9 in cinder field waste is banked up, which is characterized in that pass through
Compressed air sprays the novel water-keeping material to waste heap surface；
Preferably, the pressure of the compressed air is 0.3-0.5MPa；
Preferably, the water-keeping material on waste heap surface with a thickness of 10-50mm.
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Application publication date: 20181127 |