CN108841391A - A kind of preparation method of water-loss reducer of soil - Google Patents
A kind of preparation method of water-loss reducer of soil Download PDFInfo
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- CN108841391A CN108841391A CN201810292205.XA CN201810292205A CN108841391A CN 108841391 A CN108841391 A CN 108841391A CN 201810292205 A CN201810292205 A CN 201810292205A CN 108841391 A CN108841391 A CN 108841391A
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- 239000002689 soil Substances 0.000 title claims abstract description 39
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 24
- 235000009566 rice Nutrition 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 17
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 16
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 15
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920002594 Polyethylene Glycol 8000 Polymers 0.000 claims abstract description 9
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 8
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims abstract description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 8
- 239000012265 solid product Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 42
- 241000209094 Oryza Species 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 7
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 2
- 239000011837 N,N-methylenebisacrylamide Substances 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims 2
- 235000013339 cereals Nutrition 0.000 claims 1
- 229910052938 sodium sulfate Inorganic materials 0.000 claims 1
- 235000011152 sodium sulphate Nutrition 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 150000003839 salts Chemical class 0.000 abstract description 4
- 239000004005 microsphere Substances 0.000 abstract description 2
- 240000007594 Oryza sativa Species 0.000 abstract 1
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 abstract 1
- 150000003926 acrylamides Chemical class 0.000 abstract 1
- 239000001110 calcium chloride Substances 0.000 abstract 1
- 229910001628 calcium chloride Inorganic materials 0.000 abstract 1
- -1 Sodium dialkyl sulfate Chemical class 0.000 description 8
- 239000011734 sodium Substances 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 229920000578 graft copolymer Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Abstract
The present invention discloses a kind of preparation method of water-loss reducer of soil,The present invention prepares porous calcium carbonate microballoon with calcium chloride and sodium carbonate,The hollow calcium carbonate microspheres of sealing of hole are obtained with PEG-8000 sealing of hole again,Then according to parts by weight,20 parts of acrylic acid are added in 200 parts of water,Then 6~7 parts of Span80 are added,3~9 parts of acrylamides,0.16~0.22 part of ammonium persulfate and 25~35 parts of rice fibers,It is uniformly mixing to obtain water phase,Water phase is added in 600~1200 parts of atoleines,It is persistently stirred with the revolving speed of 500~1000r/min,It is heated after 30min with 50~55 DEG C,The hollow calcium carbonate of sealing of hole and N are added after 5~8min,N- methylene-bisacrylamide,Continue 40~90min of heating,Isolate solid product,Water-loss reducer of soil is obtained after drying 2~4h at 80 DEG C.The present invention solves the problems, such as that existing water-retaining agent Water-saving effect in hot weather or the higher soil of salt content is poor.
Description
Technical field
The present invention relates to a kind of preparation methods of water-loss reducer of soil.
Background technique
Sponge city is new generation of city storm water man- agement concept, refers to that city is adapting to environmental change and reply rainwater band
Natural calamity come etc. has good " elasticity ", also referred to as " water elasticity city ".International term is " low shadow
Ring the building of exploitation storm-water system ".Water suction, water storage, infiltration, water purification when raining by the water stored " release " and are subject to benefit when needing
With.Water-loss reducer of soil is one of the material for constructing sponge city, and water-loss reducer of soil in the soil can be rapid by rainwater or watering pours water
It absorbs and keeps, not permeable mistake, and then guarantee that rhizosphere range moisture abundance, slow release are utilized for plant.Its distinctive water suction, storage
Water, water retention property are improving the ecological environment, are playing the role of determining success or failure in engineering of checking winds and fixing drifting sand.Water-loss reducer of soil is used extensively
In sponge urban construction, desertification of land are administered, farm-forestry crop is planted and the fields such as afforestation.Existing water-loss reducer of soil is big
Mostly using the water absorption character of material itself come the case where slowing down moisture loss, water holding capacity is influenced by the external world, in high temperature day
Gas or the existing water-retaining agent Water-saving effect of the higher soil of salt content are poor, because hot weather moisture evaporation is fast, and saliferous
Water-retaining agent declines the absorptivity of moisture when measuring high.
Summary of the invention
The present invention provides a kind of preparation method of water-loss reducer of soil, to solve existing water-retaining agent in hot weather or contain
The poor problem of Water-saving effect in the higher soil of salt amount.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of preparation method of water-loss reducer of soil, includes the following steps：
A kind of preparation method of water-loss reducer of soil, includes the following steps：
S1. according to parts by weight, by the ten of calcium chloride solution and 10 parts of 0.09mol/L that 10 parts of concentration are 0.18mol/L
Sodium dialkyl sulfate mixing, the sodium carbonate that then 10 parts of concentration of addition are 0.18mol/L under stirring, reaction 30~
It is filtered after 40min, is wrapped up obtaining the hollow calcium carbonate of sealing of hole in spraying mode with PEG-8000 at 80 DEG C after dry；
S2. according to parts by weight, crushed after 50 parts of rice bars being dried, boil 45 in 1000 parts of sodium hydroxide solutions are added
~90min, then filtering drying, obtains rice fibers；
S3. according to parts by weight, 20 parts of acrylic acid are added in 200 parts of water, 6~7 parts of Span80,3~9 parts is then added
Acrylamide, 0.16~0.22 part of ammonium persulfate and 25~35 parts of rice fibers, are uniformly mixing to obtain water phase, water phase are added
It in 600~1200 parts of atoleines, is persistently stirred, is heated after 30min with 50~55 DEG C, 5 with the revolving speed of 500~1000r/min
The hollow calcium carbonate of sealing of hole and N, N- methylene-bisacrylamide are added after~8min, continues 40~90min of heating, isolates solid
Product obtains water-loss reducer of soil after drying 2~4h at 80 DEG C, and drying enables to PEG-8000 to dissolve at 80 DEG C, to open
The duct of the tiny balloon sealed.
The mass concentration of the sodium hydroxide solution is 1~3%.
According to parts by weight, the additional amount of the hollow calcium carbonate of sealing of hole described in S3 is 10~20 parts.
According to parts by weight, the additional amount of N described in S3, N- methylene-bisacrylamide is 0.33~0.54 part.
According to parts by weight, the partial size of the hollow calcium carbonate of the sealing of hole is 2~4 μm.
Beneficial effects of the present invention：
The present invention prepares water-loss reducer of soil with rice fibers acrylic acid graft copolymer package porous hollow microballoon, the present invention
The water-loss reducer of soil of preparation can absorb moisture content in rainwater day, and rainwater can be stored in hollow calcium carbonate microspheres in the soil,
Moisture storage capacity in hollow calcium carbonate is related to duct volume with the cavity inside the microballoon of vacancy, not by the shadow of salt content in moisture content
It rings, which is that moisture content is sustained by rice fibers acrylic acid graft copolymer, in when antecedent soil moisture hollow calcium carbonate
The moisture content in portion is copolymerized object absorption and is then passed in soil, and this water conservation mode can effectively slow down hot weather soil moisture
Volatilization, achieve the purpose that enhance Water-saving effect.
Specific embodiment
To facilitate a better understanding of the present invention, it is illustrated by the following examples, these examples belong to protection of the invention
Range, but do not limit the scope of the invention.
Embodiment 1
A kind of preparation method of water-loss reducer of soil, includes the following steps：
S1. according to parts by weight, by the ten of calcium chloride solution and 10 parts of 0.09mol/L that 10 parts of concentration are 0.18mol/L
Then the sodium carbonate that 10 parts of concentration are 0.18mol/L is added, after reacting 35min in sodium dialkyl sulfate mixing under stirring
Filtering is wrapped up obtaining the hollow calcium carbonate of sealing of hole in spraying mode with PEG-8000 at 80 DEG C after dry；
S2. according to parts by weight, crush after 50 parts of rice bars being dried, boiled in 1000 parts of sodium hydroxide solutions are added
60min, then filtering drying, obtains rice fibers；
S3. according to parts by weight, 20 parts of acrylic acid are added in 200 parts of water, 7 parts of Span80,9 parts of acryloyls is then added
Amine, 0.16 part of ammonium persulfate and 25 parts of rice fibers, are uniformly mixing to obtain water phase, and water phase is added in 700 parts of atoleines, with
The revolving speed of 8000r/min persistently stirs, and is heated after 30min with 55 DEG C, and the hollow calcium carbonate of sealing of hole and N, N- methylene are added after 8min
Base bisacrylamide continues to heat 40min, isolates solid product, obtains water-loss reducer of soil after drying 2h at 80 DEG C.
The mass concentration of the sodium hydroxide solution is 2.5%.
According to parts by weight, the additional amount of the hollow calcium carbonate of sealing of hole described in S3 is 16 parts.
According to parts by weight, the additional amount of N described in S3, N- methylene-bisacrylamide is 0.33 part.
According to parts by weight, the partial size of the hollow calcium carbonate of the sealing of hole is 2 μm.
Embodiment 2
A kind of preparation method of water-loss reducer of soil, includes the following steps：
S1. according to parts by weight, by the ten of calcium chloride solution and 10 parts of 0.09mol/L that 10 parts of concentration are 0.18mol/L
Then the sodium carbonate that 10 parts of concentration are 0.18mol/L is added, after reacting 40min in sodium dialkyl sulfate mixing under stirring
Filtering is wrapped up obtaining the hollow calcium carbonate of sealing of hole in spraying mode with PEG-8000 at 80 DEG C after dry；
S2. according to parts by weight, crush after 50 parts of rice bars being dried, boiled in 1000 parts of sodium hydroxide solutions are added
90min, then filtering drying, obtains rice fibers；
S3. according to parts by weight, 20 parts of acrylic acid are added in 200 parts of water, 6 parts of Span80,3 parts of acryloyls is then added
Amine, 0.17 part of ammonium persulfate and 32 parts of rice fibers, are uniformly mixing to obtain water phase, and water phase is added in 1200 parts of atoleines,
It is persistently stirred with the revolving speed of 1000r/min, is heated after 30min with 50 DEG C, the hollow calcium carbonate of sealing of hole is added after 5min and N, N- are sub-
Bisacrylamide continues to heat 60min, isolates solid product, obtains water-loss reducer of soil after drying 3h at 80 DEG C.
The mass concentration of the sodium hydroxide solution is 3%.
According to parts by weight, the additional amount of the hollow calcium carbonate of sealing of hole described in S3 is 20 parts.
According to parts by weight, the additional amount of N described in S3, N- methylene-bisacrylamide is 0.33 part.
According to parts by weight, the partial size of the hollow calcium carbonate of the sealing of hole is 2 μm.
Embodiment 3
A kind of preparation method of water-loss reducer of soil, includes the following steps：
S1. according to parts by weight, by the ten of calcium chloride solution and 10 parts of 0.09mol/L that 10 parts of concentration are 0.18mol/L
Then the sodium carbonate that 10 parts of concentration are 0.18mol/L is added, after reacting 30min in sodium dialkyl sulfate mixing under stirring
Filtering is wrapped up obtaining the hollow calcium carbonate of sealing of hole in spraying mode with PEG-8000 at 80 DEG C after dry；
S2. according to parts by weight, crush after 50 parts of rice bars being dried, boiled in 1000 parts of sodium hydroxide solutions are added
45min, then filtering drying, obtains rice fibers；
S3. according to parts by weight, 20 parts of acrylic acid are added in 200 parts of water, 6.5 parts of Span80,5 parts of propylene is then added
Amide, 0.22 part of ammonium persulfate and 35 parts of rice fibers, are uniformly mixing to obtain water phase, and water phase is added in 600 parts of atoleines,
It is persistently stirred with the revolving speed of 500r/min, is heated after 30min with 51 DEG C, the hollow calcium carbonate of sealing of hole and N, N- methylene are added after 7min
Base bisacrylamide continues to heat 90min, isolates solid product, obtains water-loss reducer of soil after drying 4h at 80 DEG C.
The mass concentration of the sodium hydroxide solution is 1%.
According to parts by weight, the additional amount of the hollow calcium carbonate of sealing of hole described in S3 is 10 parts.
According to parts by weight, the additional amount of N described in S3, N- methylene-bisacrylamide is 0.36 part.
According to parts by weight, the partial size of the hollow calcium carbonate of the sealing of hole is 3 μm.
Embodiment 4
A kind of preparation method of water-loss reducer of soil, includes the following steps：
S1. according to parts by weight, by the ten of calcium chloride solution and 10 parts of 0.09mol/L that 10 parts of concentration are 0.18mol/L
Then the sodium carbonate that 10 parts of concentration are 0.18mol/L is added, after reacting 36min in sodium dialkyl sulfate mixing under stirring
Filtering is wrapped up obtaining the hollow calcium carbonate of sealing of hole in spraying mode with PEG-8000 at 80 DEG C after dry；
S2. according to parts by weight, crush after 50 parts of rice bars being dried, boiled in 1000 parts of sodium hydroxide solutions are added
60min, then filtering drying, obtains rice fibers；
S3. according to parts by weight, 20 parts of acrylic acid are added in 200 parts of water, 6 parts of Span80,9 parts of acryloyls is then added
Amine, 0.22 part of ammonium persulfate and 25 parts of rice fibers, are uniformly mixing to obtain water phase, and water phase is added in 1200 parts of atoleines,
It is persistently stirred with the revolving speed of 1000r/min, is heated after 30min with 55 DEG C, the hollow calcium carbonate of sealing of hole is added after 6min and N, N- are sub-
Bisacrylamide continues to heat 66min, isolates solid product, obtains water-loss reducer of soil after drying 3h at 80 DEG C.
The mass concentration of the sodium hydroxide solution is 2%.
According to parts by weight, the additional amount of the hollow calcium carbonate of sealing of hole described in S3 is 15 parts.
According to parts by weight, the additional amount of N described in S3, N- methylene-bisacrylamide is 0.38 part.
According to parts by weight, the partial size of the hollow calcium carbonate of the sealing of hole is 4 μm.
Embodiment 5
A kind of preparation method of water-loss reducer of soil, includes the following steps：
S1. according to parts by weight, by the ten of calcium chloride solution and 10 parts of 0.09mol/L that 10 parts of concentration are 0.18mol/L
Then the sodium carbonate that 10 parts of concentration are 0.18mol/L is added, after reacting 32min in sodium dialkyl sulfate mixing under stirring
Filtering is wrapped up obtaining the hollow calcium carbonate of sealing of hole in spraying mode with PEG-8000 at 80 DEG C after dry；
S2. according to parts by weight, crush after 50 parts of rice bars being dried, boiled in 1000 parts of sodium hydroxide solutions are added
70min, then filtering drying, obtains rice fibers；
S3. according to parts by weight, 20 parts of acrylic acid are added in 200 parts of water, 6 parts of Span80,9 parts of acryloyls is then added
Amine, 0.22 part of ammonium persulfate and 35 parts of rice fibers, are uniformly mixing to obtain water phase, and water phase is added in 1200 parts of atoleines,
It is persistently stirred with the revolving speed of 1000r/min, is heated after 30min with 50 DEG C, the hollow calcium carbonate of sealing of hole is added after 7min and N, N- are sub-
Bisacrylamide continues to heat 90min, isolates solid product, obtains water-loss reducer of soil after drying 4h at 80 DEG C.
The mass concentration of the sodium hydroxide solution is 1%.
According to parts by weight, the additional amount of the hollow calcium carbonate of sealing of hole described in S3 is 10 parts.
According to parts by weight, the additional amount of N described in S3, N- methylene-bisacrylamide is 0.33 part.
According to parts by weight, the partial size of the hollow calcium carbonate of the sealing of hole is 4 μm.
Protection scope of the present invention is not limited merely to above-described embodiment, and all technical solutions belonged under thinking of the present invention are equal
It belongs to the scope of protection of the present invention.It should be pointed out that for those skilled in the art, not departing from the present invention
Several improvements and modifications under the premise of principle, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (5)
1. a kind of preparation method of water-loss reducer of soil, which is characterized in that include the following steps：
S1. according to parts by weight, by the dodecane of calcium chloride solution and 10 parts of 0.09mol/L that 10 parts of concentration are 0.18mol/L
Then the sodium carbonate that 10 parts of concentration are 0.18mol/L is added, after reacting 30~40min in the mixing of base sodium sulphate under stirring
Filtering is wrapped up obtaining the hollow calcium carbonate of sealing of hole in spraying mode with PEG-8000 at 80 DEG C after dry；
S2. according to parts by weight, crushed after 50 parts of rice bars being dried, 45 are boiled in 1000 parts of sodium hydroxide solutions are added~
90min, then filtering drying, obtains rice fibers；
S3. according to parts by weight, 20 parts of acrylic acid are added in 200 parts of water, 6~7 parts of Span80,3~9 parts of propylene is then added
Amide, 0.16~0.22 part of ammonium persulfate and 25~35 parts of rice fibers, are uniformly mixing to obtain water phase, by water phase be added 600~
It in 1200 parts of atoleines, is persistently stirred, is heated after 30min with 50~55 DEG C, 5~8min with the revolving speed of 500~1000r/min
The hollow calcium carbonate of sealing of hole and N, N- methylene-bisacrylamide are added afterwards, continues 40~90min of heating, isolates solid product,
Water-loss reducer of soil is obtained after drying 2~4h at 80 DEG C.
2. a kind of preparation method of water-loss reducer of soil, which is characterized in that the mass concentration of the sodium hydroxide solution is 1~3%.
3. a kind of preparation method of water-loss reducer of soil, which is characterized in that according to parts by weight, the hollow calcium carbonate of sealing of hole described in S3
Additional amount be 10~20 parts.
4. a kind of preparation method of water-loss reducer of soil, which is characterized in that according to parts by weight, N described in S3, N- di-2-ethylhexylphosphine oxide third
The additional amount of acrylamide is 0.33~0.54 part.
5. a kind of preparation method of water-loss reducer of soil, which is characterized in that according to parts by weight, the grain of the hollow calcium carbonate of sealing of hole
Diameter is 2~4 μm.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640590A (en) * | 2018-04-04 | 2018-10-12 | 柳州铁道职业技术学院 | A kind of sponge urban construction water storage material and preparation method thereof |
| US11274251B1 (en) * | 2019-07-11 | 2022-03-15 | University Of North Florida Board Of Trustees | Method of strengthening soil via chemical inducement |
| CN114517423A (en) * | 2021-12-16 | 2022-05-20 | 杭州锦添装饰纸有限公司 | Decorative paper suitable for digital printing |
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