CN106810171B - A kind of concrete segment and its manufacturing method - Google Patents
A kind of concrete segment and its manufacturing method Download PDFInfo
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- CN106810171B CN106810171B CN201710115019.4A CN201710115019A CN106810171B CN 106810171 B CN106810171 B CN 106810171B CN 201710115019 A CN201710115019 A CN 201710115019A CN 106810171 B CN106810171 B CN 106810171B
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Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/50—Defoamers, air detrainers
-
- 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
Abstract
A kind of concrete segment and its manufacturing method will select discarded pitch to be crushed, be broken into the particle of 5-15mm, the discarded pitch by washing, drying, after sunning；It is put into pretreatment fluid and is impregnated, the present invention is with lauric acid amide of ethanol, n-octyl alcohol, active constituent is wanted based on palmitinic acid docosane alcohol ester, it reduces and has given full play to its defoaming effectiveness, cooperate the use of sorbester p17, infiltration of the antifoam composition in bubble film can be promoted well, the stability for destroying bubble film improves defoaming rate.
Description
Technical field
The present invention relates to a kind of concrete segment and its manufacturing method, belongs to the field of building materials.
Background technique
Concrete belongs to a kind of heterogeneous material, by three phase composition of solid, liquid, gas, appropriate small independence point in fresh concrete
The bubble of cloth has wetting and dispersing effect, the workability of concrete can be improved, effectively reduce fresh concrete similar to ball
Bleeding avoids isolating, while in maturing, and small independent bubble makes maturing internal capillaries become thin
Small, tortuous, dispersion, infiltration lane are reduced, and are conducive to the frost resistance, density and the impermeability that improve concrete；Currently on the market
Defoaming agent preparation process for concrete field is relative complex, and condition is more demanding, and cost is also higher；Milling is got off waste and old
Asphalt will be discarded, and environmental pollution is on the one hand caused, and on the other hand waste a large amount of non-renewable resources, cause resource
How waste and huge economic loss using waste asphalt make it turn waste into wealth, and it is current for can achieve product requirement
Problem to be solved.
Summary of the invention
In order to overcome it is existing it is above on defect and problem, the present invention provides a kind of concrete segment and its manufacturing method.
A kind of concrete segment manufacturing method: this method is first by lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid 20
Dioxane alcohol ester is added in pressurisable container after hydroxy silicon oil mixing, and pressurisable container pressure is controlled in 0.15-0.2MPa, temperature
Control at 50-55 DEG C, pressure maintaining 15-20 minute, after pressure-maintaining and heat-preservation, after pressure release is cooled to normal pressure and temperature, dropwise addition sorbester p17 in
Temperature is 38-42 DEG C of magnetic agitation, lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid docosane alcohol ester, hydroxy silicon oil and department
The molar ratio of disk 80 is 1:2.5-4:1.2-2:10-15:0.2-0.5, magnetic agitation rotating speed 150-200r/min, constant temperature stirring
Polypropylene glycerol aether is added later and is uniformly mixed cooled to room temperature, obtains defoaming agent by 30min,
Discarded pitch will be selected to be crushed later, the particle of 5-15mm is broken into, by washing, drying, after sunning
Discarded pitch；It is put into pretreatment fluid and is impregnated, pretreatment fluid includes following raw material: 70-80 parts of ethyl alcohol, ethylene
2-10 parts of ethyl triethoxy silicane alkane, 4-6 parts of four fourth rouge of metatitanic acid, 2-3 parts of ethylene glycol ethyl ether, impregnates by 1-4 parts of m-nitrobenzene sodium sulfonate
It 20-60 minutes, pulls out for use,
Finally by 100-150 parts of mass parts ordinary portland cement, 30-60 parts of agstone, 20-50 parts of phosphorus slag, levigate
10-15 parts of volcanic ash and water 60-90 are stirred evenly, and quartz sand 250-280 parts, pretreated waste asphalt 200- are added later
5-10 parts of 240 parts, 2-8 parts of water-reducing agent and glass fibre after mixing evenly, are added defoaming agent 10-15 parts and stand 10 after mixing
Minute, concrete segment slurry is obtained, slurry injects die for molding, and curing with carbon dioxide is carried out after demoulding, and carbon dioxide is supported
Pressure 0.25MPa is protected, curing time 2-5 hours, obtains concrete segment.
A kind of concrete segment manufacturing method, quartz sand particle size size 0.5-2mm.
A kind of concrete segment manufacturing method, ordinary portland cement is marked as 42.5.
A kind of concrete segment manufacturing method, the control of pressurisable container pressure are controlled in 0.18MPa, temperature 52
DEG C, pressure maintaining 15 minutes.
A kind of concrete segment manufacturing method, is broken into the particle of 8-12mm.
A kind of concrete segment manufacturing method, dropwise addition sorbester p17 are 30 DEG C of magnetic agitations in temperature.
A kind of concrete segment manufacturing method, curing with carbon dioxide pressure 0.25MPa, curing time 3 hours.
A kind of concrete segment, manufacturing method: first by lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid 22
Alkanol ester is added in pressurisable container after hydroxy silicon oil mixing, and pressurisable container pressure is controlled in 0.15-0.2MPa, temperature control
System is at 50-55 DEG C, pressure maintaining 15-20 minutes, and after pressure-maintaining and heat-preservation, after pressure release is cooled to normal pressure and temperature, sorbester p17 is added dropwise in temperature
Degree is 38-42 DEG C of magnetic agitation, lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid docosane alcohol ester, hydroxy silicon oil and sapn
80 molar ratio is 1:2.5-4:1.2-2:10-15:0.2-0.5, magnetic agitation rotating speed 150-200r/min, constant temperature stirring
Polypropylene glycerol aether is added later and is uniformly mixed cooled to room temperature, obtains defoaming agent by 30min,
Discarded pitch will be selected to be crushed later, the particle of 5-15mm is broken into, by washing, drying, after sunning
Discarded pitch；It is put into pretreatment fluid and is impregnated, pretreatment fluid includes following raw material: 70-80 parts of ethyl alcohol, ethylene
2-10 parts of ethyl triethoxy silicane alkane, 4-6 parts of four fourth rouge of metatitanic acid, 2-3 parts of ethylene glycol ethyl ether, impregnates by 1-4 parts of m-nitrobenzene sodium sulfonate
It 20-60 minutes, pulls out for use,
Finally by 100-150 parts of mass parts ordinary portland cement, 30-60 parts of agstone, 20-50 parts of phosphorus slag, levigate
10-15 parts of volcanic ash and water 60-90 are stirred evenly, and quartz sand 250-280 parts, pretreated waste asphalt 200- are added later
5-10 parts of 240 parts, 2-8 parts of water-reducing agent and glass fibre after mixing evenly, are added defoaming agent 10-15 parts and stand 10 after mixing
Minute, concrete segment slurry is obtained, slurry injects die for molding, and curing with carbon dioxide is carried out after demoulding, and carbon dioxide is supported
Pressure 0.25MPa is protected, curing time 2-5 hours, obtains concrete segment.
Preferably, lauric acid amide of ethanol and polypropylene glycerol aether molar ratio are 1:0.05-0.1.
The present invention is with lauric acid amide of ethanol, n-octyl alcohol, wants active constituent based on palmitinic acid docosane alcohol ester, reduces
Its defoaming effectiveness has been given full play to, has cooperated the use of sorbester p17, infiltration of the antifoam composition in bubble film can be promoted well
Thoroughly, the stability for destroying bubble film improves defoaming rate.It ensure that defoaming, the foam inhibition effect of defoaming agent entirety；Pre- place
Waste asphalt has good dispersibility, resistance to acid and alkali after reason, and tighter with contact surface after cement and admixture hydraulic
Strength and stability that is close, while can improving concrete slurry density again, improve concrete segment is returning for waste asphalt
It receives to utilize and provides a new approach.
Specific embodiment
Embodiment 1
A kind of concrete segment manufacturing method: this method is first by lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid 20
Dioxane alcohol ester is added in pressurisable container after hydroxy silicon oil mixing, and the control of pressurisable container pressure is in 0.18MPa, temperature control
At 53 DEG C, pressure maintaining 15 minutes, after pressure-maintaining and heat-preservation, after pressure release is cooled to normal pressure and temperature, dropwise addition sorbester p17 is 38-42 in temperature
DEG C magnetic agitation, lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid docosane alcohol ester, mole of hydroxy silicon oil and sorbester p17
Than it is sweet that polyoxypropylene is added later for 1:2.5:1.5:12:0.3, magnetic agitation rotating speed 180r/min, constant temperature stirring 30min
Oily ether is uniformly mixed cooled to room temperature, obtains defoaming agent,
Discarded pitch will be selected to be crushed later, the particle of 5-15mm is broken into, by washing, drying, after sunning
Discarded pitch；It is put into pretreatment fluid and is impregnated, pretreatment fluid includes following raw material: 72 parts of ethyl alcohol, vinyl three
5 parts of Ethoxysilane, 6 parts of four fourth rouge of metatitanic acid, 3 parts of m-nitrobenzene sodium sulfonate, 2 parts of ethylene glycol ethyl ether, impregnate 40 minutes, pull out to
With,
Finally by 120 parts of ordinary portland cement, 60 parts of agstone, 30 parts of phosphorus slag, 10 parts of levigate volcanic ash and water 70
Part stirs evenly, later 260 parts of quartz sand of addition, 220 parts of pretreated waste asphalt, 2 parts of water-reducing agent and 6 parts of glass fibre
After mixing evenly, 12 parts of defoaming agent is added and stands 10 minutes after mixing, obtain concrete segment slurry, slurry injects mold
Middle molding, carries out curing with carbon dioxide after demoulding, curing with carbon dioxide pressure 0.25MPa curing time 3 hours, obtains coagulation
Earth building blocks.
A kind of concrete segment that concrete segment manufacturing method manufactures in above-described embodiment 1.
Embodiment 2
A kind of concrete segment manufacturing method: this method is first by lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid 20
Dioxane alcohol ester is added in pressurisable container after hydroxy silicon oil mixing, and the control of pressurisable container pressure exists in 0.2MPa, temperature control
55 DEG C, pressure maintaining 20 minutes, after pressure-maintaining and heat-preservation, after pressure release is cooled to normal pressure and temperature, dropwise addition sorbester p17 was 38-42 DEG C in temperature
Magnetic agitation, lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid docosane alcohol ester, the molar ratio of hydroxy silicon oil and sorbester p17
For 1:3:1.8:14:0.4, magnetic agitation rotating speed 190r/min, constant temperature stirs 30min, and polypropylene glycerol aether is added later
It is uniformly mixed cooled to room temperature, obtains defoaming agent.
Discarded pitch will be selected to be crushed later, the particle of 5-15mm is broken into, by washing, drying, after sunning
Discarded pitch；It is put into pretreatment fluid and is impregnated, pretreatment fluid includes following raw material: 75 parts of ethyl alcohol, vinyl three
8 parts of Ethoxysilane, 4 parts of four fourth rouge of metatitanic acid, 4 parts of m-nitrobenzene sodium sulfonate, 2 parts of ethylene glycol ethyl ether, impregnate 30 minutes, pull out to
With,
Finally by 110 parts of ordinary portland cement, 60 parts of agstone, 45 parts of phosphorus slag, 10 parts of levigate volcanic ash and water 65
Part stirs evenly, later 250 parts of quartz sand of addition, 210 parts of pretreated waste asphalt, 6 parts of water-reducing agent and 6 parts of glass fibre
After mixing evenly, 12 parts of defoaming agent is added and stands 10 minutes after mixing, obtain concrete segment slurry, slurry injects mold
Middle molding, carries out curing with carbon dioxide after demoulding, curing with carbon dioxide pressure 0.25MPa curing time 2 hours, obtains coagulation
Earth building blocks.
A kind of concrete segment that concrete segment manufacturing method manufactures in above-described embodiment 2.
Embodiment 3
A kind of concrete segment manufacturing method: this method is first by lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid 20
Dioxane alcohol ester is added in pressurisable container after hydroxy silicon oil mixing, and the control of pressurisable container pressure exists in 0.2MPa, temperature control
54 DEG C, pressure maintaining 16 minutes, after pressure-maintaining and heat-preservation, after pressure release is cooled to normal pressure and temperature, dropwise addition sorbester p17 was 42 DEG C of magnetic in temperature
Power stirs, lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid docosane alcohol ester, and the molar ratio of hydroxy silicon oil and sorbester p17 is
1:3.5:1.5:14:0.5 magnetic agitation rotating speed 160r/min, constant temperature stirs 30min, and polypropylene glycerol aether is added later
It is uniformly mixed cooled to room temperature, obtains defoaming agent.
Discarded pitch will be selected to be crushed later, the particle of 5-15mm is broken into, by washing, drying, after sunning
Discarded pitch；It is put into pretreatment fluid and is impregnated, pretreatment fluid includes following raw material: 78 parts of ethyl alcohol, vinyl three
6 parts of Ethoxysilane, 5 parts of four fourth rouge of metatitanic acid, 2 parts of m-nitrobenzene sodium sulfonate, 2 parts of ethylene glycol ethyl ether, impregnate 50 minutes, pull out to
With,
Finally by 130 parts of ordinary portland cement, 50 parts of agstone, 30 parts of phosphorus slag, 10 parts of levigate volcanic ash and water 90
Part stirs evenly, later 270 parts of quartz sand of addition, 220 parts of pretreated waste asphalt, 3 parts of water-reducing agent and 5 parts of glass fibre
After mixing evenly, 12 parts of defoaming agent is added and stands 10 minutes after mixing, obtain concrete segment slurry, slurry injects mold
Middle molding, carries out curing with carbon dioxide after demoulding, curing with carbon dioxide pressure 0.25MPa curing time 4 hours, obtains coagulation
Earth building blocks.
A kind of concrete segment that concrete segment manufacturing method manufactures in above-described embodiment 3.
Embodiment 4
A kind of concrete segment manufacturing method: this method is first by lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid 20
Dioxane alcohol ester is added in pressurisable container after hydroxy silicon oil mixing, and the control of pressurisable container pressure is in 0.18MPa, temperature control
At 55 DEG C, pressure maintaining 17 minutes, after pressure-maintaining and heat-preservation, after pressure release is cooled to normal pressure and temperature, dropwise addition sorbester p17 is 40 DEG C in temperature
Magnetic agitation, lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid docosane alcohol ester, the molar ratio of hydroxy silicon oil and sorbester p17
For 1:4:2:15:0.4, magnetic agitation rotating speed 180r/min, constant temperature stirs 30min, and polypropylene glycerol aether is added later
It is uniformly mixed cooled to room temperature, obtains defoaming agent.
Discarded pitch will be selected to be crushed later, the particle of 5-15mm is broken into, by washing, drying, after sunning
Discarded pitch；It is put into pretreatment fluid and is impregnated, pretreatment fluid includes following raw material: 76 parts of ethyl alcohol, vinyl three
4 parts of Ethoxysilane, 4 parts of four fourth rouge of metatitanic acid, 2 parts of m-nitrobenzene sodium sulfonate, 3 parts of ethylene glycol ethyl ether, impregnate 40 minutes, pull out to
With,
Finally by 150 parts of ordinary portland cement, 45 parts of agstone, 30 parts of phosphorus slag, 14 parts of levigate volcanic ash and water 85
Part stirs evenly, later 260 parts of quartz sand of addition, 230 parts of pretreated waste asphalt, 5 parts of water-reducing agent and 5 parts of glass fibre
After mixing evenly, 14 parts of defoaming agent is added and stands 10 minutes after mixing, obtain concrete segment slurry, slurry injects mold
Middle molding, carries out curing with carbon dioxide after demoulding, curing with carbon dioxide pressure 0.25MPa curing time 5 hours, obtains coagulation
Earth building blocks.
A kind of concrete segment that concrete segment manufacturing method manufactures in above-described embodiment 4.
Table 1 is about defoaming agent comparative example and embodiment building block test result
| Pilot project | Without using defoaming agent | Use commercially available common defoaming agent | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Surface appearance | It is coarse, it is seen that larger gap | There are small gaps | It is smooth | It is smooth | It is smooth | It is smooth |
| Air content/﹪ | 4.5 | 2.8 | 1.6 | 1.8 | 1.7 | 1.8 |
| Foam time/minute | 0 | 15 | 5 | 7 | 5 | 8 |
| The foam inhibition time/minute | 0 | 48 | 120 | 115 | 102 | 137 |
Table 2 is comparative example and embodiment building block test result
| Pilot project | Pitch is not pre-processed | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| The slump/mm | 40 | 30 | 29 | 32 | 32 |
| 1 day compression strength/MPa | 20.8 | 24.7 | 28.4 | 25.6 | 24.5 |
| 7 days compression strength/MPa | 28.4 | 34.6 | 35.2 | 35.7 | 35.1 |
| 14 days compression strength/MPa | 36.3 | 40.3 | 42.5 | 41.4 | 43.8 |
| Tensile strength/MPa | 1.23 | 1.35 | 1.37 | 1.39 | 1.37 |
The present invention is with lauric acid amide of ethanol, n-octyl alcohol, wants active constituent based on palmitinic acid docosane alcohol ester, reduces
Its defoaming effectiveness has been given full play to, has cooperated the use of sorbester p17, infiltration of the antifoam composition in bubble film can be promoted well
Thoroughly, the stability for destroying bubble film improves defoaming rate.It ensure that defoaming, the foam inhibition effect of defoaming agent entirety；Pre- place
Waste asphalt has good dispersibility, resistance to acid and alkali after reason, and tighter with contact surface after cement and admixture hydraulic
Strength and stability that is close, while can improving concrete slurry density again, improve concrete segment is returning for waste asphalt
It receives to utilize and provides a new approach.
Claims (1)
1. a kind of concrete segment manufacturing method: this method is first by lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid 22
Alkanol ester is added in pressurisable container after hydroxy silicon oil mixing, and the control of pressurisable container pressure is controlled in 0.2MPa, temperature 54
DEG C, pressure maintaining 16 minutes, after pressure-maintaining and heat-preservation, after pressure release is cooled to normal pressure and temperature, dropwise addition sorbester p17 was 42 DEG C of magnetic force in temperature
The molar ratio of stirring, lauric acid amide of ethanol, n-octyl alcohol, palmitinic acid docosane alcohol ester, hydroxy silicon oil and sorbester p17 is 1:
3.5:1.5:14:0.5 magnetic agitation rotating speed 160r/min, constant temperature stirs 30min, and polypropylene glycerol aether is added later
It is uniformly mixed cooled to room temperature, obtains defoaming agent；
Discarded pitch will be selected to be crushed later, is broken into the particle of 5-15mm, it is discarded after sunning by washing, drying
Pitch；It is put into pretreatment fluid and is impregnated, pretreatment fluid includes following raw material: 78 parts of ethyl alcohol, three ethoxy of vinyl
6 parts of base silane, 5 parts of four fourth rouge of metatitanic acid 2 parts of m-nitrobenzene sodium sulfonate, 2 parts of ethylene glycol ethyl ether, is impregnated 50 minutes, is pulled out for use,
Finally 130 parts of ordinary portland cement, 50 parts of agstone, 30 parts of phosphorus slag, 10 parts of levigate volcanic ash and 90 parts of water are stirred
It mixes uniformly, 270 parts of quartz sand, 220 parts of pretreated waste asphalt, 3 parts of water-reducing agent and 5 parts of glass fibre stirrings is added later
After uniformly, 12 parts of defoaming agent is added and stands 10 minutes after mixing, obtains concrete segment slurry, in slurry injection mold at
Type, carries out curing with carbon dioxide after demoulding, curing with carbon dioxide pressure 0.25MPa curing time 4 hours, obtains concrete block
Block.
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| CN107558321A (en) * | 2017-09-04 | 2018-01-09 | 唐山南堡市政园林工程有限公司 | The method for improving coastal area pavior brick alkali resistance |
| CN110593438B (en) * | 2019-09-19 | 2021-06-04 | 广州铭汇建设工程有限公司 | Indoor sound insulation wall construction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638870A (en) * | 2008-08-01 | 2010-02-03 | 尹玉娟 | Silicone defoamer |
| CN103877755A (en) * | 2014-03-11 | 2014-06-25 | 苏州恒康新材料有限公司 | Organic silicon defoaming agent and preparation method thereof |
| CN105801029A (en) * | 2016-03-22 | 2016-07-27 | 北京奥润开元环保科技研究院有限公司 | Novel production method of concrete |
| CN106592330A (en) * | 2016-12-09 | 2017-04-26 | 苏州艾博迈尔新材料有限公司 | Compound defoaming agent and preparation method thereof |
-
2017
- 2017-02-28 CN CN201710115019.4A patent/CN106810171B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638870A (en) * | 2008-08-01 | 2010-02-03 | 尹玉娟 | Silicone defoamer |
| CN103877755A (en) * | 2014-03-11 | 2014-06-25 | 苏州恒康新材料有限公司 | Organic silicon defoaming agent and preparation method thereof |
| CN105801029A (en) * | 2016-03-22 | 2016-07-27 | 北京奥润开元环保科技研究院有限公司 | Novel production method of concrete |
| CN106592330A (en) * | 2016-12-09 | 2017-04-26 | 苏州艾博迈尔新材料有限公司 | Compound defoaming agent and preparation method thereof |
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