CN106928607A - A kind of super absorbent resin oil/fat composition that can control water swelling time and its application - Google Patents
A kind of super absorbent resin oil/fat composition that can control water swelling time and its application Download PDFInfo
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- CN106928607A CN106928607A CN201710116547.1A CN201710116547A CN106928607A CN 106928607 A CN106928607 A CN 106928607A CN 201710116547 A CN201710116547 A CN 201710116547A CN 106928607 A CN106928607 A CN 106928607A
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- water
- solions
- absorbent resin
- fat composition
- super absorbent
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- 239000011347 resin Substances 0.000 title claims abstract description 64
- 229920005989 resin Polymers 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000002250 absorbent Substances 0.000 title claims abstract description 38
- 230000008961 swelling Effects 0.000 title claims abstract description 24
- 239000000203 mixture Substances 0.000 title claims description 39
- 230000002745 absorbent Effects 0.000 title claims description 21
- 239000000843 powder Substances 0.000 claims abstract description 31
- 150000002500 ions Chemical class 0.000 claims abstract description 30
- 238000005213 imbibition Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 239000000243 solution Substances 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 8
- 230000009429 distress Effects 0.000 claims description 6
- 229920002401 polyacrylamide Polymers 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 4
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical group [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 4
- 229910020489 SiO3 Inorganic materials 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 11
- 239000011342 resin composition Substances 0.000 abstract description 9
- 230000006641 stabilisation Effects 0.000 abstract description 5
- 238000011105 stabilization Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 9
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 8
- 238000002513 implantation Methods 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000004115 Sodium Silicate Substances 0.000 description 4
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
- 229910052911 sodium silicate Inorganic materials 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 235000019795 sodium metasilicate Nutrition 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 241000372132 Hydrometridae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 description 1
- 229920001002 functional polymer Polymers 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
-
- 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
- C09K3/00—Materials not provided for elsewhere
- C09K3/12—Materials for stopping leaks, e.g. in radiators, in tanks
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/262—Alkali metal carbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
- C08K2003/285—Ammonium nitrates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
- C08K2003/287—Calcium, strontium or barium nitrates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of water-absorbent resin composition that can control water swelling time and its application.The water-absorbent resin composition includes following component：Hydroscopic high-molecular resin powder, A solions and B solions；A ions in the A solions are the ion that can suppress water-absorbing resin expansion, and the B ions in the B solions are that can make the ion of A ion concentrations reduction in solution with the A ionic reactions in A solions.The water-absorbent resin composition that water swelling time can be controlled of the invention is used in the fields such as impervious leakage-stopping, foundation stabilization, control early stage water swelling time can be guaranteed can not influence later stage water imbibition again, the water-absorbent resin powder water absorption rate later stage can return to original 30%~70%, and have the advantages that application method is simple, effect is significant.
Description
Technical field
The present invention relates to water-absorbing resin, and in particular to a kind of water-absorbent resin composition that can control water swelling time and its
Using.
Background technology
High hydroscopic resin (SAP) be it is a kind of can absorb hundreds times even thousand times of functional polymer materials of own wt moisture
Material, because it has powerful water absorbing capacity, and can bear certain pressure without there is seepage, therefore be widely used in soil guarantor
The fields such as water, waterproofing and leakage-stopping, foundation stabilization.
However, because the initial rate of water absorption of water-absorbing resin generally existing is high, injection process expansion is rapid, causes mobility fast
Speed is deteriorated, it is difficult to easy cramming when entering the crack depths or the consolidated subsoil that need leak stopping, hinders SAP in this aspect
Using., it is necessary to it has slower imbibition speed when being applied to waterproofing and leakage-stopping or foundation stabilization field accordingly, as absorbent material
Rate, it may be preferable to control the time of its water swelling；It is then specifically in a section before SAP is injected into crack or ground
It is interior, absorb moisture (not absorbing water preferably) as little as possible in liquid medium, water absorbing capacity just can be rapidly recovered after being injected into
Power.
At present, realize that the method that water-absorbing resin slowly expands there are two kinds：First, hydrophobic grouping is introduced in building-up process and is reached and prolonged
The purpose of slow expansion, but because the water-absorbing resin particle diameter of live practical application is small, corresponding specific surface area is larger, causes the method not
With technical practicality；2nd, modifying surface of absorption resin, for example, can change by the way that plasma method is hydrophobic to resin surface
Property, this method develops imperfection, it is necessary to further optimization, does not also possess practicality in technology；Furthermore above two method,
It is modified due to introducing hydrophobic grouping or surface hydrophobicity, the water absorbent rate of water-absorbing resin can be all greatly reduced.
The content of the invention
Goal of the invention：For the problem that prior art is present, water swelling time can be controlled the invention provides a kind of
Water-absorbent resin composition, the initial rate of water absorption that the water-absorbent resin composition solves water-absorbing resin generally existing is high, causes stream
Dynamic property is deteriorated rapidly, it is difficult to the problem of the bottleneck of easy cramming when entering the crack depths or the consolidated subsoil that need leak stopping,
And water-absorbing resin later stage rate of water absorption is not influenceed.
Present invention also offers a kind of application of the water-absorbent resin composition that can control water swelling time.
Technical scheme：To achieve these goals, a kind of height that can control water swelling time as described in the present invention
Water-absorbent resin composition, including following component：Hydroscopic high-molecular resin powder, A solions and B solions；The A ions
A ions in solution are the ion that can suppress water-absorbing resin expansion, and the B ions in the B solions are that energy and A ions are molten
A ionic reactions in liquid make the ion of A ion concentrations reduction in solution.
Wherein, the hydroscopic high-molecular resin powder is Sodium Polyacrylate powder or Polyacrylamide Powder.
The particle diameter of the hydroscopic high-molecular resin powder is 50~250um.
Wherein, A ions are Fe in the A solions3+、Al3+、Ca2+、Mg2+Or NH4 +In the mixing of one or more
Thing；Or other can suppress one or more any proportioning mixtures in the ion that water-absorbing resin expands.
The mass concentration of A ions is 0.5%~25% in the A solions.
Wherein, B ions are SiO in the B solions3 2-、CO3 2-、SO4 2-Or OH-In the mixture of one or more,
Or can be mixed so as to one or more any proportionings in the ion for making A ion concentrations reduction in solution with A ionic reactions
Compound.
The mass concentration of B ions is 1.0%~30% in the B solions.
A kind of super absorbent resin oil/fat composition that can control water swelling time of the present invention is before water-absorbing resin is controlled
Phase slowly expands, and the later stage recovers the application in water imbibition.
Wherein, the application is concretely comprised the following steps：
(1) hydroscopic high-molecular resin powder is added in A solions, uniform mixed liquor is formed；
(2) mixed liquor is injected in medium to be absorbed water；
(3) to injection B solions in the medium containing mixed liquor.
Step (2) described medium is distress in concrete or ground to be reinforced.
Raw materials used reagent is all by commercially available in the present invention.
A kind of application method of super absorbent resin oil/fat composition that can control water swelling time of the present invention, first will
Water-absorbent resin powder is dissolved in A solions, and water-absorbing resin does not absorb water or water absorption rate is extremely low, and gained mixed liquor still remains
Original mobility, mixed liquor is injected into the medium for needing the later stage to absorb water, after a period of time, then to above-mentioned mixed containing medium
Injection B solions in liquid are closed, B ions can consume A ions with A ionic reactions, so that the water absorption rate of water-absorbent resin powder
Original 30%~70% is returned to, continues to absorb water in the later stage.Can be applied to distress in concrete waterproofing and leakage-stopping or foundation stabilization work
Cheng Zhong, the initial rate of water absorption for solving water-absorbing resin generally existing is high, causes mobility to be deteriorated rapidly, it is difficult to which entering needs to block up
The problem of the bottleneck of easy cramming when the crack depths of leakage or consolidated subsoil, and it is fast not influence the water-absorbing resin later stage to absorb water
Rate.
Beneficial effect：Compared by prior art, the invention has the advantages that：It is of the invention to control water swelling time
Water-absorbent resin composition be used in the field such as impervious leakage-stopping, foundation stabilization, when can guarantee control early stage water swelling
Between again can not influence later stage water imbibition, the water-absorbent resin powder water absorption rate later stage can return to original 30%~70%, and
And application method is simple, effect is significant.
Specific embodiment
The invention will be further described by the following examples.
Embodiment 1
Component：
Hydroscopic high-molecular resin powder is Sodium Polyacrylate powder, and particle diameter is 50um；A solions are that concentration is 3.7%
Calcium nitrate solution；B solions are sodium silicate solution that concentration is 8.2%.
Embodiment 2
Hydroscopic high-molecular resin powder is Polyacrylamide Powder, and particle diameter is 250um；A solions are that concentration is 5.1%
Magnesium nitrate solution；B solions are sodium carbonate liquor that concentration is 15.40%.
Embodiment 3
Hydroscopic high-molecular resin powder is Polyacrylamide Powder, and particle diameter is 150um；A solions are for concentration
7.40% magnesium nitrate solution；B solions are sodium carbonate liquor that concentration is 15.40%.
Embodiment 4
Hydroscopic high-molecular resin powder is Polyacrylamide Powder, and particle diameter is 150um；A solions are that concentration is 0.5%
Aluminum nitrate solution；B solions are metabisulfite solution that concentration is 1%.
Embodiment 5
Hydroscopic high-molecular resin powder is Sodium Polyacrylate powder, and particle diameter is 200um；A solions are that concentration is 25%
Ammonium nitrate solution；B solions are sodium hydroxide solution that concentration is 8.2%.
Embodiment 6
Application of the super absorbent resin oil/fat composition in distress in concrete or in ground to be reinforced：
Using any one super absorbent resin oil/fat composition of embodiment 1-5
(1) hydroscopic high-molecular resin powder is added in A solions, uniform mixed liquor is formed；
(2) mixed liquor is injected in distress in concrete to be absorbed water or in ground to be reinforced；
(3) after liquid to be mixed fully infiltrates, B is injected in the distress in concrete containing mixed liquor or in ground to be reinforced
Solion.
Test example 1
The high hydroscopic resin that can control water swelling time prepared by the embodiment of the present invention is demonstrate,proved by tests below method
Composition, can guarantee control early stage water swelling time can not influence later stage water imbibition again.
The super absorbent resin oil/fat composition that can control water swelling time prepared using embodiment 1 is verified.
(1) implantation concentration is 3.70% calcium nitrate solution 2g in the glass tube of internal diameter 8mm；
(2) water-absorbent resin powder 0.02g, uniform mixing are added；
(3) filter mixed liquor, weighs remaining gel quality, and it is 2.2% to be calculated water absorption rate；
(4) remaining jello is all returned into mixture, then it is molten to the sodium metasilicate that implantation concentration in mixture is 8.20%
Liquid 2g；
(5) surplus liquid in reactant mixture is filtrated to get gel mixture；
(6) by remaining gel mixture plus clear water refilter superfluous water measure water-absorbing resin recover water absorption rate be
Originally 30%.
Test example 2
The super absorbent resin oil/fat composition that can control water swelling time prepared using embodiment 2 is verified.
(1) implantation concentration is 5.10% calcium nitrate solution 2g in the glass tube of internal diameter 8mm；
(2) water-absorbent resin powder 0.02g, uniform mixing are added；
(3) filter mixed liquor, weighs remaining gel quality, and it is 1.7% to be calculated water absorption rate；
(4) remaining jello is all returned into mixture, then it is molten to the sodium metasilicate that implantation concentration in mixture is 15.4%
Liquid 2g；
(5) surplus liquid in reactant mixture is filtrated to get gel mixture；
(6) it is original superfluous water to be refiltered by adding water in remaining gel mixture and measures the water absorption rate that water-absorbing resin recovers
50% for coming.
Test example 3
The super absorbent resin oil/fat composition that can control water swelling time prepared using embodiment 3 is verified.
(1) implantation concentration is 7.40% calcium nitrate solution 2g in the glass tube of internal diameter 8mm；
(2) water-absorbent resin powder 0.02g, uniform mixing are added；
(3) filter mixed liquor, weighs remaining gel quality, and it is 1.2% to be calculated water absorption rate；
(4) remaining jello is all returned into mixture, then to the sodium silicate solution that implantation concentration in mixture is 20%
2g；
(5) surplus liquid in reactant mixture is filtrated to get gel mixture；
(6) it is original superfluous water to be refiltered by adding water in remaining gel mixture and measures the water absorption rate that water-absorbing resin recovers
70% for coming.
Water swelling time can be controlled by prepared by the as shown by data embodiment of the present invention 1-3 of three above test example
Super absorbent resin oil/fat composition, early stage water suction can slowly control water absorption rate in 1.7%-2.2%, later stage water absorption rate can recover
To original 30%~70%, the super absorbent resin oil/fat composition that can control water swelling time of present invention preparation is illustrated, both
Can guarantee that can control the early stage water swelling time can not to influence later stage water imbibition again, can effective for impervious leakage-stopping,
In the fields such as base reinforcing.
Claims (10)
1. a kind of super absorbent resin oil/fat composition that can control water swelling time, it is characterised in that including following component：High score
Sub- water-absorbent resin powder, A solions and B solions；A ions in the A solions are that can suppress water-absorbing resin
The ion of expansion, the B ions in the B solions are that A ions are dense in making solution with the A ionic reactions in A solions
Spend the ion for reducing.
2. super absorbent resin oil/fat composition according to claim 1, it is characterised in that the hydroscopic high-molecular resin powder is
Sodium Polyacrylate powder or Polyacrylamide Powder.
3. super absorbent resin oil/fat composition according to claim 1, it is characterised in that the hydroscopic high-molecular resin powder
Particle diameter is 50~250um.
4. super absorbent resin oil/fat composition according to claim 1, it is characterised in that A ions are Fe in the A solions3 +、Al3+、Ca2+、Mg2+Or NH4 +In the mixture of one or more.
5. super absorbent resin oil/fat composition according to claim 1, it is characterised in that the matter of A ions in the A solions
Amount concentration is 0.5%~25%.
6. super absorbent resin oil/fat composition according to claim 1, it is characterised in that B ions are in the B solions
SiO3 2-、CO3 2-、SO4 2-Or OH-In the mixture of one or more.
7. super absorbent resin oil/fat composition according to claim 1, it is characterised in that the matter of B ions in the B solions
Amount concentration is 1.0%~30%.
8. a kind of super absorbent resin oil/fat composition that can control water swelling time slowly expands in control water-absorbing resin early stage, after
Phase recovers the application in water imbibition.
9. application according to claim 8, it is characterised in that the application is concretely comprised the following steps：
(1) hydroscopic high-molecular resin powder is added in A solions, uniform mixed liquor is formed；
(2) mixed liquor is injected in medium to be absorbed water；
(3) to injection B solions in the medium containing mixed liquor.
10. application according to claim 9, it is characterised in that step (2) described medium is distress in concrete or to be added
Solid ground.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116547.1A CN106928607B (en) | 2017-02-28 | 2017-02-28 | A kind of super absorbent resin oil/fat composition can control water swelling time and its application |
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| CN201710116547.1A CN106928607B (en) | 2017-02-28 | 2017-02-28 | A kind of super absorbent resin oil/fat composition can control water swelling time and its application |
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| CN106928607B CN106928607B (en) | 2019-02-01 |
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Cited By (4)
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| CN109666467A (en) * | 2017-10-13 | 2019-04-23 | 中国石油化工股份有限公司 | Controllable time delay expands sealing agent and preparation method thereof |
| CN111548090A (en) * | 2020-05-19 | 2020-08-18 | 浙江鲁班建材科技股份有限公司 | Sea wall protection mortar |
| CN111608208A (en) * | 2020-05-19 | 2020-09-01 | 浙江鲁班建材科技股份有限公司 | Time-controllable water-absorbing expansion leakage-stopping pre-paved coiled material |
| CN112851274A (en) * | 2021-01-28 | 2021-05-28 | 中建三局第三建设工程有限责任公司 | High-impermeability cement-based repair mortar with self-sealing crack function and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109666467A (en) * | 2017-10-13 | 2019-04-23 | 中国石油化工股份有限公司 | Controllable time delay expands sealing agent and preparation method thereof |
| CN111548090A (en) * | 2020-05-19 | 2020-08-18 | 浙江鲁班建材科技股份有限公司 | Sea wall protection mortar |
| CN111608208A (en) * | 2020-05-19 | 2020-09-01 | 浙江鲁班建材科技股份有限公司 | Time-controllable water-absorbing expansion leakage-stopping pre-paved coiled material |
| CN111608208B (en) * | 2020-05-19 | 2022-01-11 | 浙江鲁班建材科技股份有限公司 | Time-controllable water-absorbing expansion leakage-stopping pre-paved coiled material |
| CN112851274A (en) * | 2021-01-28 | 2021-05-28 | 中建三局第三建设工程有限责任公司 | High-impermeability cement-based repair mortar with self-sealing crack function and preparation method thereof |
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Address after: Room 1202, Block A, Building 1, Yangchenghu International Science and Technology Pioneering Park, 116 Chengyang Road, Chengyang Street, Xiangcheng Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee after: Suzhou Jia Gu Shi new Mstar Technology Ltd Address before: Room 1202, Block A, Building 1, Yangchenghu International Science and Technology Pioneering Park, 116 Chengyang Road, Chengyang Street, Xiangcheng Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee before: Suzhou Jia Gu Shi new Mstar Technology Ltd |