CN106380104B - A kind of non-evaporating pressure pipe stake polycarboxylate water-reducer and preparation method thereof - Google Patents
A kind of non-evaporating pressure pipe stake polycarboxylate water-reducer and preparation method thereof Download PDFInfo
- Publication number
- CN106380104B CN106380104B CN201610738346.0A CN201610738346A CN106380104B CN 106380104 B CN106380104 B CN 106380104B CN 201610738346 A CN201610738346 A CN 201610738346A CN 106380104 B CN106380104 B CN 106380104B
- Authority
- CN
- China
- Prior art keywords
- weight
- parts
- reducer
- pressure pipe
- evaporating pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
Abstract
The invention discloses a kind of non-evaporating pressure pipe stake polycarboxylate water-reducer and preparation method thereof, weight average molecular weight is 30000~80000, is made by the raw material of following parts by weight：Modified 190~210 parts by weight of isopentene group polyoxyethylene ether, 10~15 parts by weight of acrylic acid, 2~10 parts by weight of viscosity reduction type monomer, 2~10 parts by weight of early-strength minor comonomer, 1.0~4.0 parts by weight of initiator, 0.02~0.1 parts by weight of aided initiating, 0.5~1.5 parts by weight of chain-transferring agent, 10~20 parts by weight of 0.2~1.0 parts by weight of complex reducing agent, 190~210 parts by weight of deionized water and sodium hydroxide solution.The non-evaporating pressure pipe stake polycarboxylate water-reducer of the present invention not only has many advantages, such as that low volume, good dispersion, early strength are high, can also significantly reduce the hardened and viscosity of concrete, increase the workability of concrete.
Description
Technical field
The invention belongs to the technical fields of construction material, and in particular to a kind of non-evaporating pressure pipe stake polycarboxylate water-reducer and its system
Preparation Method.
Background technology
Prestressed high-strength concrete pile (abbreviation PHC pile piles) is a kind of important pile foundation material, high-quality with piling,
The advantages that construction is fast, engineering geology is adaptable, civilized construction, be widely used in needing the skyscraper of high-quality pile foundation,
The engineerings such as Longspan Bridge, highway and port and pier.It can shorten the construction period using pile foundation, while save a large amount of
The energy, material, thus obtained development at full speed in construction industry.In recent years, with prestressed high-strength concrete pile technology
Constantly ripe and government's items energy-saving and emission-reduction policy, each pile pile enterprise start under fierce market competition and policy
Attempt non-evaporating pressure prestressed high-strength concrete pile production technology.
Traditional pile pile, prefabricated components are generally used naphthalene water reducer good with cement adaptability, that susceptibility is low, aliphatic subtract
Aqua etc., and by steam pressure, steam-cured reach the early strength of high-strength pipe pile.With concrete admixture technology development and into
Step, the advantages that high performance water reducing agent of polyocarboxy acid is low with its volume, water-reducing rate is high, concrete slump retention property is excellent and pre-
It is more and more widely used in component processed.Such as CN104292397A, CN104016614A and CN105218757A are
Report the high-performance polycarboxylic acids water reducing agent suitable for pile pile, component.It is disclosed in CN104292397A and CN104016614A
How method that high-performance polycarboxylic acids water reducing agent apply in pile pile, component bubble is eliminated；CN105218757A is disclosed how
Reduce the method that high-performance polycarboxylic acids water reducing agent applies damage of collapsing in pile pile, component.Seldom refer to that non-evaporating pressure pipe stake polycarboxylic acids subtracts
The preparation method of aqua, and how to solve the problems, such as non-evaporating pressure pipe pile concrete early strength and concrete is hardened, viscosity is high.
For high-strength prefabricated components, containing more cementitious material, when with molecular weight larger polycarboxylate water-reducer, concrete is viscous
Degree and working performance are necessarily affected.
Invention content
It is an object of the invention to overcome prior art defect, a kind of non-evaporating pressure pipe stake polycarboxylate water-reducer is provided.
Another object of the present invention is to provide the preparation methods of above-mentioned non-evaporating pressure pipe stake polycarboxylate water-reducer.
The specific technical solution of the present invention is as follows：
A kind of non-evaporating pressure pipe stake polycarboxylate water-reducer, weight average molecular weight is 30000~80000, by following parts by weight
Raw material is made：Modified 190~210 parts by weight of isopentene group polyoxyethylene ether, 10~15 parts by weight of acrylic acid, viscosity reduction type monomer 2
~10 parts by weight, 2~10 parts by weight of early-strength minor comonomer, 1.0~4.0 parts by weight of initiator, 0.02~0.1 weight of aided initiating
Part, 0.5~1.5 parts by weight of chain-transferring agent, 0.2~1.0 parts by weight of complex reducing agent, 190~210 parts by weight of deionized water and and
10~20 parts by weight of sodium hydroxide solution.
Wherein modified isopentene group polyoxyethylene ether structural formula is as follows：
R1And R2For CH3Or CH2CH3；A is CH2CH2O；EO, PO are respectively ethylene oxide and propylene oxide；X, 1 y, m, n
~100 integer, wherein 60≤x+y≤120；60≤m+n≤120.
In a preferred embodiment of the invention, the viscosity reduction type monomer is N- (4- vinyl benzyls)-N, N- bis-
Alkylamine and N, one or both of N- dimethyl -4- vinyl aniline.
In a preferred embodiment of the invention, the early-strength monomer is acrylyl oxy-ethyl-trimethyl salmiac
One or both of with allyl trimethyl ammonium chloride.
In a preferred embodiment of the invention, the initiator is hydrogen peroxide, tert-butyl hydroperoxide and different
Cumene hydroperoxide one or both of is crossed.
In a preferred embodiment of the invention, the aided initiating is one in iron ammonium sulfate and ferrous sulfate
Kind or two kinds.
In a preferred embodiment of the invention, the chain-transferring agent is thioacetic acid, 3- mercaptopropionic acids, sulfydryl second
One or both of alcohol and lauryl mercaptan.
In a preferred embodiment of the invention, the complex reducing agent is L-AA, formaldehyde conjunction sulphoxylic acid
Two or three in hydrogen sodium, 2- hydroxyls -2- sulfinato acetic acids salt and sodium hypophosphite.
The preparation method of above-mentioned non-evaporating pressure pipe stake polycarboxylate water-reducer, includes the following steps：
(1) each raw material component is weighed by weight；
(2) under nitrogen protection, by modified isopentene group polyoxyethylene ether, 3~5 parts by weight of acrylic acid, appropriate deionization
Water and viscosity reduction type monomer are sufficiently mixed, and stirring and dissolving.
(3) residual acrylic acid, chain-transferring agent and appropriate amount of deionized water are uniformly mixed, obtain the first mixed solution；
(4) complex reducing agent, early-strength monomer and deionized water are uniformly mixed, obtain the second mixed solution；
(5) control reacting initial temperature is added at one time initiator into the material of step (1) and helps and draw at 15~35 DEG C
After sending out agent, start dropwise addition the first mixed solution and the second mixed solution simultaneously, the first mixed solution in 60~70min in dripping
Finish, the second mixed solution continue in being added dropwise in 70~80min, after being added dropwise 35~50 DEG C of insulation reactions 30~
40min
(6) material obtained by step (5) is cooled to room temperature, 30% sodium hydroxide solution is added and is neutralized to get institute
State non-evaporating pressure pipe stake polycarboxylate water-reducer.
The beneficial effects of the invention are as follows：
(1) non-evaporating pressure pipe stake polycarboxylate water-reducer of the invention is poly- using modified isopentene group by Molecular Design
Ethylene oxide ether (PULLRONIC F68 block) reduces its surface tension, significantly improves tubular pile concrete internal porosity ginseng
It counts to enhance its compression strength, and it is strong to improve its early stage to introduce early-strength monomer propylene acyloxyethyl trimethyl ammonium chloride simultaneously
Degree, achievees the effect that non-evaporating pressure.
(2) non-evaporating pressure pipe stake polycarboxylate water-reducer of the invention not only has low volume, good dispersion, early strength height etc.
Advantage can also significantly reduce the hardened and viscosity of concrete, increase the workability of concrete.
(3) non-evaporating pressure pipe stake polycarboxylate water-reducer of the invention, reactivity is high, and reaction temperature is low, with short production cycle, raw
Production process is environmentally protective, pollution-free.
Specific implementation mode
Technical scheme of the present invention is further detailed and is described below by way of specific implementation mode.
Embodiment 1
In parts by weight, by 200 parts of modified isopentene group polyoxyethylene ether, 8 parts of acrylic acid, 2 parts of N- (4- vinyl benzyls
Base)-N, N- dialkylamines and 200 parts of deionized waters are added reaction kettle and stir evenly；10 parts of acrylic acid, 1 part of 3- mercaptopropionic acid and
60 parts of deionized waters, which are uniformly mixed, is made into the first mixed solution；0.2 part of complex reducing agent (L-AA: formaldehyde closes sulphoxylic acid
Hydrogen sodium=1: 2), 2 parts of acrylyl oxy-ethyl-trimethyl salmiacs and 60 parts of deionized waters be uniformly mixed, it is molten to obtain the second mixing
Liquid；It is 25 DEG C to control reacting initial temperature, continues to be added at one time 1.8 parts of hydrogenperoxide steam generators and 0.03 part toward aforesaid reaction vessel
Ferrous sulfate, starts simultaneously at the first mixed solution of dropwise addition and the second mixed solution, the first mixed solution drip in 60min
Finish, the second mixed solution is added dropwise in 70min；Continue in 35~40 DEG C of insulation reaction 30min after being added dropwise；Finally plus
Enter 18 part 30% of sodium hydroxide solution and neutralized and is subtracted to get the non-evaporating pressure pipe stake polycarboxylic acids for being 56320 to weight average molecular weight
Aqua.
Embodiment 2
In parts by weight, by 200 parts of modified isopentene group polyoxyethylene ether, 5 parts of acrylic acid, 3 parts of N- (4- vinyl benzyls
Base)-N, N- dialkylamines and 200 parts of deionized waters are added reaction kettle and stir evenly；10 parts of acrylic acid, 1 part of 3- mercaptopropionic acid and
60 parts of deionized waters, which are uniformly mixed, is made into the first mixed solution；0.2 part of complex reducing agent (L-AA: the Asias 2- hydroxyl -2- sulphur
Guanidine-acetic acid salt=1: 2), 4 parts of acrylyl oxy-ethyl-trimethyl salmiacs and 60 parts of deionized waters be uniformly mixed, obtain the second mixing
Solution；It is 25 DEG C to control reacting initial temperature, continues to be added at one time 2 parts of hydrogenperoxide steam generators and 0.03 part toward aforesaid reaction vessel
Ferrous sulfate, starts simultaneously at the first mixed solution of dropwise addition and the second mixed solution, the first mixed solution drip in 60min
Finish, the second mixed solution is added dropwise in 70min；Continue in 35~40 DEG C of insulation reaction 30min after being added dropwise；Finally plus
Enter 15 part 30% of sodium hydroxide solution and neutralized and is subtracted to get the non-evaporating pressure pipe stake polycarboxylic acids for being 54418 to weight average molecular weight
Aqua.
Embodiment 3
In parts by weight, by 200 parts of modified isopentene group polyoxyethylene ether, 4 parts of acrylic acid, 5 parts of N- (4- vinyl benzyls
Base)-N, N- dialkylamines and 200 parts of deionized waters are added reaction kettle and stir evenly；9 parts of acrylic acid, 1 part of 3- mercaptopropionic acid and 60
Part deionized water, which is uniformly mixed, is made into the first mixed solution；0.25 part of complex reducing agent (L-AA: the Asias 2- hydroxyl -2- sulphur
Guanidine-acetic acid salt=1: 3), 6 parts of acrylyl oxy-ethyl-trimethyl salmiacs and 60 parts of deionized waters be uniformly mixed, obtain the second mixing
Solution；It is 25 DEG C to control reacting initial temperature, continues to be added at one time 2.5 parts of hydrogenperoxide steam generators and 0.04 toward aforesaid reaction vessel
Part iron ammonium sulfate, starts simultaneously at the first mixed solution of dropwise addition and the second mixed solution, the first mixed solution are added dropwise in 60min
It finishes, the second mixed solution is added dropwise in 70min；Continue in 35~40 DEG C of insulation reaction 30min after being added dropwise；Finally
13 part 30% of sodium hydroxide solution is added to be neutralized to get the non-evaporating pressure pipe stake polycarboxylic acids for being 50316 to weight average molecular weight
Water-reducing agent.
Embodiment 4
In parts by weight, by 200 parts of modified isopentene group polyoxyethylene ether, 4 parts of acrylic acid, 6 parts of N- (4- vinyl benzyls
Base)-N, N- dialkylamines and 200 parts of deionized waters are added reaction kettle and stir evenly；9 parts of acrylic acid, 1 part of 3- mercaptopropionic acid and 60
Part deionized water, which is uniformly mixed, is made into the first mixed solution；0.25 part of complex reducing agent (L-AA: the Asias 2- hydroxyl -2- sulphur
Guanidine-acetic acid salt=1: 3), 8 parts of acrylyl oxy-ethyl-trimethyl salmiacs and 60 parts of deionized waters be uniformly mixed, obtain the second mixing
Solution；It is 25 DEG C to control reacting initial temperature, continues to be added at one time 2.5 parts of hydrogenperoxide steam generators and 0.04 toward aforesaid reaction vessel
Part iron ammonium sulfate, starts simultaneously at the first mixed solution of dropwise addition and the second mixed solution, the first mixed solution are added dropwise in 60min
It finishes, the second mixed solution is added dropwise in 70min；Continue in 35~40 DEG C of insulation reaction 30min after being added dropwise；Finally
13 part 30% of sodium hydroxide solution is added to be neutralized to get the non-evaporating pressure pipe stake polycarboxylic acids for being 49127 to weight average molecular weight
Water-reducing agent.
Embodiment 5
In parts by weight, by 200 parts of modified isopentene group polyoxyethylene ether, 4 parts of acrylic acid, 6 parts of N- (4- vinyl benzyls
Base)-N, N- dialkylamines and 200 parts of deionized waters are added reaction kettle and stir evenly；9 parts of acrylic acid, 1.23- mercaptopropionic acids and 60
Part deionized water, which is uniformly mixed, is made into the first mixed solution；0.3 part of complex reducing agent (L-AA: 2- hydroxyl -2- sulfinos
Acetate=1: 3), 8 parts of acrylyl oxy-ethyl-trimethyl salmiacs and 60 parts of deionized waters be uniformly mixed, it is molten to obtain the second mixing
Liquid；It is 25 DEG C to control reacting initial temperature, continues to be added at one time 2.8 parts of hydrogenperoxide steam generators and 0.04 part toward aforesaid reaction vessel
Iron ammonium sulfate, starts simultaneously at the first mixed solution of dropwise addition and the second mixed solution, the first mixed solution drip in 60min
Finish, the second mixed solution is added dropwise in 70min；Continue in 35~40 DEG C of insulation reaction 30min after being added dropwise；Finally plus
Enter 13 part 30% of sodium hydroxide solution to be neutralized to get the non-evaporating pressure pipe stake polycarboxylate water-reducer for being 48765 to molecular weight.
Embodiment 6
Embodiment 6 is the performance test of non-evaporating pressure pipe stake polycarboxylate water-reducer made from Examples 1 to 5.
The non-evaporating pressure pipe stake polycarboxylate water-reducer and common polycarboxylate water-reducer (PCE) that Examples 1 to 5 is synthesized are used
Tubular pile concrete compares, and using southern P.O52.5R cement, volume is 0.15% (folding solid part) of glue material quality, pile pile performance
By GB13476-2009《Pretensioned prestressed concrete pipe pile》It is tested；According to GB8076-2008《Concrete admixture》,
Test concrete 's air-containing, Slump Time losing of Large etc..Non-evaporating pressure pipe pile concrete match ratio (kg/m3) be：M (cement): m
(miberal powder): m (sand): m (rubble): m (water): m (additive)=300: 120: 710: 1350: 128: 5.0.Due between the quiet stopping time,
The influence of heating rate, constant temperature time and temperature, cooling rate to cementitious material aquation and concrete performance is more complicated, this examination
It tests and is all made of the following method：It is quiet to stop 2h after molding, the steam curing of normal pressure band mould (1 DEG C/min of heating rate, temperature are 90 DEG C,
Curing time is 4h), 2h is down to room temperature, tests its compression strength.Acquired results are as shown in table 1.Concrete viscosity, which uses, to collapse greatly
Fall concrete decays the time to test, and the same match ratio of match ratio and pile pile is identical, improves admixture dosage and water consumption,
Between so that the test slump of concrete is reached 200 ± 10mm.
1 embodiment performance comparison of table
Those of ordinary skill in the art remain able to it is found that when the technical parameter of the present invention changes in following ranges
To same as the previously described embodiments or similar technique effect, protection scope of the present invention is still fallen within：
A kind of non-evaporating pressure pipe stake polycarboxylate water-reducer, weight average molecular weight is 30000~80000, by following parts by weight
Raw material is made：Modified 190~210 parts by weight of isopentene group polyoxyethylene ether, 10~15 parts by weight of acrylic acid, viscosity reduction type monomer 2
~10 parts by weight, 2~10 parts by weight of early-strength minor comonomer, 1.0~4.0 parts by weight of initiator, 0.02~0.1 weight of aided initiating
Part, 0.5~1.5 parts by weight of chain-transferring agent, 0.2~1.0 parts by weight of complex reducing agent, 190~210 parts by weight of deionized water and hydrogen
10~20 parts by weight of sodium hydroxide solution.
Wherein modified isopentene group polyoxyethylene ether structural formula is as follows：
R1And R2For CH3Or CH2CH3；A is CH2CH2O；EO, PO are respectively ethylene oxide and propylene oxide；X, 1 y, m, n
~100 integer, wherein 60≤x+y≤120；60≤m+n≤120.
Viscosity reduction type monomer is N- (4- vinyl benzyls)-N, in N- dialkylamines and N, N- dimethyl -4- vinyl aniline
One or two.Early-strength monomer is one kind in acrylyl oxy-ethyl-trimethyl salmiac and allyl trimethyl ammonium chloride
Or two kinds.Initiator is that hydrogen peroxide, tert-butyl hydroperoxide and isopropyl benzene hydroperoxide one or both of are crossed.Help initiation
Agent is one or both of iron ammonium sulfate and ferrous sulfate.Chain-transferring agent is thioacetic acid, 3- mercaptopropionic acids, mercaptoethanol
One or both of with lauryl mercaptan.Complex reducing agent is L-AA, sodium formaldehyde sulphoxylate, the Asias 2- hydroxyls -2-
Two or three in sulfosalicylic acetate and sodium hypophosphite.
The preparation method of above-mentioned non-evaporating pressure pipe stake polycarboxylate water-reducer, includes the following steps：
(1) each raw material component is weighed by weight；
(2) under nitrogen protection, by modified isopentene group polyoxyethylene ether, 3~5 parts by weight of acrylic acid, appropriate deionization
Water and viscosity reduction type monomer are sufficiently mixed, and stirring and dissolving.
(3) residual acrylic acid, chain-transferring agent and appropriate amount of deionized water are uniformly mixed, obtain the first mixed solution；
(4) complex reducing agent, early-strength monomer and deionized water are uniformly mixed, obtain the second mixed solution；
(5) control reacting initial temperature is added at one time initiator into the material of step (1) and helps and draw at 15~35 DEG C
After sending out agent, start dropwise addition the first mixed solution and the second mixed solution simultaneously, the first mixed solution in 60~70min in dripping
Finish, the second mixed solution continue in being added dropwise in 70~80min, after being added dropwise 35~50 DEG C of insulation reactions 30~
40min；
(6) material obtained by step (5) is cooled to room temperature, sodium hydroxide solution is added and is neutralized and exempts to get described
Steam pressure pile pile polycarboxylate water-reducer.
The foregoing is only a preferred embodiment of the present invention, therefore cannot limit the scope of implementation of the present invention according to this, i.e.,
According to equivalent changes and modifications made by the scope of the claims of the present invention and description, all should still belong in the range of the present invention covers.
Claims (6)
1. a kind of non-evaporating pressure pipe stake polycarboxylate water-reducer, it is characterised in that：Its weight average molecular weight is 30000~80000, by as follows
The raw material of parts by weight is made：Modified 190~210 parts by weight of isopentene group polyoxyethylene ether, 10~15 parts by weight of acrylic acid, viscosity reduction
2~10 parts by weight of type monomer, 2~10 parts by weight of early-strength minor comonomer, 1.0~4.0 parts by weight of initiator, aided initiating 0.02~
0.1 parts by weight, 0.5~1.5 parts by weight of chain-transferring agent, 0.2~1.0 parts by weight of complex reducing agent, 190~210 weight of deionized water
Measure part and 10~20 parts by weight of sodium hydroxide solution；
Wherein modified isopentene group polyoxyethylene ether structural formula is as follows：
R1And R2For CH3Or CH2CH3；A is CH2CH2O；EO, PO are respectively ethylene oxide and propylene oxide；X, y, m, n are 1~100
Integer, wherein 60≤x+y≤120；60≤m+n≤120；
Above-mentioned viscosity reduction type monomer is N, N- dimethyl -4- vinyl aniline；
Above-mentioned complex reducing agent is L-AA, sodium formaldehyde sulphoxylate, 2- hydroxyls -2- sulfinato acetic acids salt and hypophosphorous acid
Two or three in sodium.
2. a kind of non-evaporating pressure pipe stake polycarboxylate water-reducer as described in claim 1, it is characterised in that：The early-strength minor comonomer is
One or both of acrylyl oxy-ethyl-trimethyl salmiac and allyl trimethyl ammonium chloride.
3. a kind of non-evaporating pressure pipe stake polycarboxylate water-reducer as described in claim 1, it is characterised in that：The initiator is peroxidating
Hydrogen, tert-butyl hydroperoxide and isopropyl benzene hydroperoxide one or both of are crossed.
4. a kind of non-evaporating pressure pipe stake polycarboxylate water-reducer as described in claim 1, it is characterised in that：The aided initiating is sulfuric acid
One or both of ferrous ammonium and ferrous sulfate.
5. a kind of non-evaporating pressure pipe stake polycarboxylate water-reducer as described in claim 1, it is characterised in that：The chain-transferring agent is sulfydryl
One or both of acetic acid, 3- mercaptopropionic acids, mercaptoethanol and lauryl mercaptan.
6. a kind of preparation method of the non-evaporating pressure pipe stake polycarboxylate water-reducer in claim 1 to 5 described in any claim,
It is characterized in that：Include the following steps：
(1) each raw material component is weighed by weight；
(2) under nitrogen protection, will modified isopentene group polyoxyethylene ether, 3~5 parts by weight of acrylic acid, appropriate amount of deionized water and
Viscosity reduction type monomer is sufficiently mixed, and stirring and dissolving；
(3) residual acrylic acid, chain-transferring agent and appropriate amount of deionized water are uniformly mixed, obtain the first mixed solution；
(4) complex reducing agent, early-strength minor comonomer and deionized water are uniformly mixed, obtain the second mixed solution；
(5) control reacting initial temperature is added at one time initiator and aided initiating at 15~35 DEG C into the material of step (1)
Afterwards, start dropwise addition the first mixed solution and the second mixed solution simultaneously, the first mixed solution in being added dropwise in 60~70min,
Second mixed solution continues after being added dropwise in 35~50 DEG C of 30~40min of insulation reaction in being added dropwise in 70~80min；
(6) material obtained by step (5) is cooled to room temperature, 30% sodium hydroxide solution is added and is neutralized to get described
Non-evaporating pressure pipe stake polycarboxylate water-reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738346.0A CN106380104B (en) | 2016-08-26 | 2016-08-26 | A kind of non-evaporating pressure pipe stake polycarboxylate water-reducer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738346.0A CN106380104B (en) | 2016-08-26 | 2016-08-26 | A kind of non-evaporating pressure pipe stake polycarboxylate water-reducer and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106380104A CN106380104A (en) | 2017-02-08 |
| CN106380104B true CN106380104B (en) | 2018-09-07 |
Family
ID=57917337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610738346.0A Active CN106380104B (en) | 2016-08-26 | 2016-08-26 | A kind of non-evaporating pressure pipe stake polycarboxylate water-reducer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106380104B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110372304B (en) * | 2019-08-15 | 2021-02-12 | 浙江沪嘉住宅工业股份有限公司 | Non-autoclaved PHC tubular pile concrete |
| CN111763290A (en) * | 2020-06-16 | 2020-10-13 | 贵州石博士科技有限公司 | Early-strength polycarboxylate superplasticizer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804610A (en) * | 2014-02-13 | 2014-05-21 | 贵州科之杰新材料有限公司 | Method for preparing high-performance polycarboxylate superplasticizer via heat resource-free process |
| CN105017491A (en) * | 2015-08-24 | 2015-11-04 | 科之杰新材料集团有限公司 | Early-strength polycarboxylate superplasticizer and preparation method thereof |
| CN105732911A (en) * | 2016-01-15 | 2016-07-06 | 江苏苏博特新材料股份有限公司 | Preparation method and application of viscosity-reducing polycarboxylate superplasticizer |
-
2016
- 2016-08-26 CN CN201610738346.0A patent/CN106380104B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804610A (en) * | 2014-02-13 | 2014-05-21 | 贵州科之杰新材料有限公司 | Method for preparing high-performance polycarboxylate superplasticizer via heat resource-free process |
| CN105017491A (en) * | 2015-08-24 | 2015-11-04 | 科之杰新材料集团有限公司 | Early-strength polycarboxylate superplasticizer and preparation method thereof |
| CN105732911A (en) * | 2016-01-15 | 2016-07-06 | 江苏苏博特新材料股份有限公司 | Preparation method and application of viscosity-reducing polycarboxylate superplasticizer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106380104A (en) | 2017-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105367720B (en) | A kind of diminishing collapse protective poly-carboxylic acid water reducing agent and preparation method thereof | |
| CN107325234B (en) | Anti-mud phosphate modified polycarboxylate superplasticizer and preparation method thereof | |
| CN109987870B (en) | High-efficiency concrete water reducing agent and preparation method thereof | |
| CN109824836A (en) | Workability is good, wide adaptability polycarboxylate water-reducer and preparation method thereof | |
| CN106008853A (en) | Preparation method of mud resisting and slump retaining type phosphate group containing polycarboxylate superplasticizer | |
| CN107200817B (en) | A kind of preparation method of stable type concrete slump controlling agent | |
| CN104876468B (en) | A kind of functional poly carboxylic acid water reducer for coordinating silicon ash to use and preparation method thereof | |
| CN104098286B (en) | Special concrete pumping agent for ultra-high buildings and preparation method thereof | |
| CN105924592B (en) | Viscosity-reducing polycarboxylic acid water reducer and preparation method thereof | |
| CN108794700A (en) | A kind of carboxylic acid group polymer and preparation method thereof and sustained-release polycarboxylic water reducer | |
| CN104761173B (en) | Polycarboxylate water reducer with good reducing effect and preparation method thereof | |
| CN106866895A (en) | A kind of high-performance poly carboxylic acid series water reducer and preparation method thereof | |
| CN109880019A (en) | A kind of workability is good, wide adaptability polycarboxylate water-reducer and preparation method thereof | |
| CN105800992B (en) | A kind of anti-chamotte mould polycarboxylate water-reducer and preparation method thereof | |
| CN111592272A (en) | Polycarboxylate superplasticizer for machine-made sand concrete prestressed component and preparation method thereof | |
| CN108003304B (en) | Preparation method of cardanol modified ester polycarboxylate superplasticizer | |
| CN111439947A (en) | Low-air-entraining slow-setting type polycarboxylate superplasticizer and preparation method thereof | |
| CN105175740A (en) | Preparation method of polycarboxylic acid water reducer with high workability | |
| CN111349199B (en) | Steady-state polycarboxylic acid superplasticizer with core-shell structure and preparation method thereof | |
| CN106380104B (en) | A kind of non-evaporating pressure pipe stake polycarboxylate water-reducer and preparation method thereof | |
| CN102503221B (en) | Cyclohexanol grafted polycarboxylic acid water reducing agent and preparation method thereof | |
| CN102731730A (en) | Hydrogen peroxide auxiliarily-initiated carboxylic acid water reducer and its preparation method | |
| CN104496253A (en) | Special early-strength polycarboxylate superplasticizer for prefabricated parts and preparation method of special early-strength polycarboxylate superplasticizer | |
| CN112194762B (en) | Preparation method of non-crosslinked reticular polycarboxylic acid water reducing agent | |
| CN107383287B (en) | Polymer cement grinding aid and synthetic method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314100, No. 9, Yang Yang Road, Tian Ning Town, Jiashan County, Jiaxing, Zhejiang Patentee after: Kezhijie New Material Group Zhejiang Co., Ltd Address before: 314100, No. 9, Yang Yang Road, Tian Ning Town, Jiashan County, Jiaxing, Zhejiang Patentee before: ZHEJIANG KZJ NEW MATERIALS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |