CN106946491B - A kind of concrete intensifier and preparation method thereof - Google Patents
A kind of concrete intensifier and preparation method thereof Download PDFInfo
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- CN106946491B CN106946491B CN201710260455.0A CN201710260455A CN106946491B CN 106946491 B CN106946491 B CN 106946491B CN 201710260455 A CN201710260455 A CN 201710260455A CN 106946491 B CN106946491 B CN 106946491B
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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
- 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
Abstract
The invention discloses a kind of concrete intensifiers and preparation method thereof, belong to concrete additive field, the synergist is made of acrylic fibers, sulfuric acid, tertiary-amino-containing monomer, monomer A (unsaturated carboxylic acid or/and salt unsaturated carboxylic acid), initiator inorganic base and water, the method for preparing concrete intensifier, the following steps are included: by weight, load weighted acrylic fibers, sulfuric acid and water are added into reaction kettle, reaction temperature is maintained at 86~100 DEG C, reacts 1~5 hour；Then middle addition tertiary-amino-containing monomer, A parts of monomer and initiator into reaction kettle, reaction temperature control is reacted 4~6 hours under conditions of 90~100 DEG C obtains mixture B；Inorganic base is finally added into mixture B, to get the Concrete synergist after stirring 0.5~2 hour；It for not only can be reduced cement consumption for Medium and low intensity grade concrete, but also can guarantee workability and intensity, there is a wide range of application prospect.
Description
Technical field
The present invention relates to class concrete admixture fields, in particular to a kind of concrete intensifier and preparation method thereof.
Background technique
Concrete because have the advantages that it is a series of, as superior plasticity, good water-resistance, excellent durability with
And great competitiveness economy and become current whole world dosage maximum and the most wide material of use scope.In decades from now on
And foreseeable future, it still will be one of most important structural timber, particularly with the present age for being in the transitional period
For China, industrialization accelerates propulsion, urbanization in the ascendant, and the scale of capital construction will be sent out with the speed to surpass the world average level
Exhibition.Ready-mixed concrete is concrete production form main so far, wherein 70% or more ready-mixed concrete strength grade
For C25~C35.The improvement of the concrete performance of this strength grade and the progress of construction technology, to entire Concrete Industry
Development has extensively and far-reaching influence.Concrete admixture based on water-reducing agent has become the important component of concrete,
The features such as with reducing cement consumption, improving fresh concrete workability.Hydrated cementitious degree research data is shown both at home and abroad
There is the cement there are about 20%~30% to be not engaged in hydration reaction in concrete under conventional environment, only serves fine filling of gathering materials
Effect, cannot effectively play strength of cement, cause the significant wastage of resource.On the other hand, since different water-reducing agents is to water
The Influencing Mechanism of mud absorption etc. is different, after adding to a certain extent, is difficult to work again to concrete, economy and applies
Work is difficult to be protected.New concrete admixture how to be developed to solve the above problems, cement more than needed is saved
While can ensure the basic performance and intensity of concrete again, be of great practical significance to Concrete Enterprises.
Therefore, cement effect can be given full play to by finding a kind of concrete admixture, and reduce cement consumption can guarantee coagulation again
Native economy and application property be very it is necessary to.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of concrete intensifier, the concrete synergy
Agent is a kind of novel concrete admixture, for not only can be reduced cement consumption for Medium and low intensity grade concrete, but also
It can guarantee its workability and intensity, there is a wide range of application prospect.
It is a still further object of the present invention to provide a kind of preparation methods of concrete intensifier.
The present invention is achieved through the following technical solutions: a kind of concrete intensifier, and by weight, the synergist is by following
Raw material composition:
Wherein the concentration range of sulfuric acid is 90% -98%；
Wherein the monomer A is unsaturated carboxylic acid or/and salt unsaturated carboxylic acid, when monomer A is unsaturated carboxylic acid and insatiable hunger
When with the mixture of carboxylate, unsaturated carboxylic acid and salt unsaturated carboxylic acid mix in any proportion；The initiator is persulfuric acid
In ammonium, sodium peroxydisulfate or potassium peroxydisulfate any one or it is two or more with the mixed mixture of any ratio.
In order to which the present invention is better achieved, further, by weight, which is made of following raw materials:
In order to which the present invention is better achieved, further, the tertiary-amino-containing monomer is dimethylaminoethyl acrylate, third
Olefin(e) acid dimethylamino propyl ester, dimethylaminoethyl acrylate, dimethylaminoethyl methacrylate, dimethylaminoethyl
In propyl ester and methacrylic acid lignocaine propyl ester any one or it is two or more with the mixed mixture of any ratio.
In order to which the present invention is better achieved, further, the monomer A be acrylic acid, sodium acrylate, methacrylic acid and
In Sodium methacrylate any one or it is two or more with the mixed mixture of any ratio.
The method for preparing concrete intensifier, comprising the following steps:
(a1) by weight, be added into reaction kettle 15~30 parts of load weighted acrylic fibers, 5~10 parts of sulfuric acid and water 30~
65 parts, reaction temperature is maintained at 86~100 DEG C, reacts 1~5 hour, obtains mixture A；
(a2) by weight, then toward in reaction kettle in mixture A be added 1~5 part of tertiary-amino-containing monomer, monomer A 1
~10 parts and 0.1~5 part of initiator, reaction temperature control is reacted 4~6 hours under conditions of 90~100 DEG C to be mixed
Object B；
(a3) by weight, last that 5~15 parts of inorganic base are added into mixture B, after stirring 0.5~2 hour,
Up to the Concrete synergist；
The monomer A is unsaturated carboxylic acid or/and salt unsaturated carboxylic acid, when monomer A is unsaturated carboxylic acid and unsaturated carboxylic
When the mixture of hydrochlorate, unsaturated carboxylic acid and salt unsaturated carboxylic acid mix in any proportion；The initiator is ammonium persulfate, mistake
In sodium sulphate or potassium peroxydisulfate any one or it is two or more with the mixed mixture of any ratio.
In order to which the present invention is better achieved, further, the method for preparing concrete intensifier, comprising the following steps:
(b1) by weight, 20 parts of load weighted acrylic fibers, 7 parts of sulfuric acid and 50 parts of water, reaction temperature are added into reaction kettle
Degree is maintained at 95 DEG C, reacts 3 hours, obtains mixture A；
(b2) by weight, then toward in reaction kettle in mixture A be added 3 parts of dimethylaminoethyl acrylate, methyl
6 parts of acrylic acid and 2 parts of sodium peroxydisulfate, reaction temperature control is reacted 4.5 hours under conditions of 96 DEG C obtains mixture B；
(b3) by weight, last to be added into mixture B after 12 parts of sodium hydroxide, stirring 1 hour to get institute
State Concrete synergist.
In order to which the present invention is better achieved, further, the method for preparing concrete intensifier, the tertiary-amino-containing monomer
For dimethylaminoethyl acrylate, dimethylaminoethyl methacrylate, dimethylaminoethyl acrylate, dimethylaminoethyl
In ethyl ester, dimethylaminoethyl propyl ester and methacrylic acid lignocaine propyl ester any one or it is two or more with appoint
Meaning is than mixed mixture.
In order to which the present invention is better achieved, further, the method for preparing concrete intensifier, the monomer A is propylene
In acid, sodium acrylate, methacrylic acid and Sodium methacrylate any one or it is two or more with the mixed mixing of any ratio
Object.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
One, Concrete synergist of the invention passes through the dispersion degree of efficient excited cement particle, excites water to the maximum extent
The effect of mud keeps hydration reaction more abundant, so as to improve the comprehensive performance of concrete；
Two, Concrete synergist of the invention can be improved the strength grade of concrete, and save in concrete 10%
The cement consumption of left and right reduces production cost；
Three, Concrete synergist of the invention and other concrete admixture compatibilities are good；
Four, Concrete synergist simple production process of the invention, mild condition, production process charging, condition are all easy
Control, entire technical process are discharged without " three wastes ", are a kind of environmental type, pollution-free cleanly production technique.
Specific embodiment
The present invention is described in further detail below with reference to embodiment, embodiments of the present invention are not limited thereto,
Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and customary means, various replace is made
It changes and changes, should all be included within the scope of the invention.
A kind of concrete intensifier of the invention is made of the raw material components that following weight parts match:
Wherein the concentration range of sulfuric acid is 90% -98%；
Inorganic base can be potassium hydroxide or sodium hydroxide etc.；
The tertiary-amino-containing monomer is dimethylaminoethyl acrylate, dimethylaminoethyl methacrylate, acrylic acid diethylamino
Base propyl ester, dimethylaminoethyl methacrylate, dimethylaminoethyl propyl ester and methacrylic acid lignocaine propyl ester
In any one or it is two or more with the mixed mixture of any ratio；
The monomer A is unsaturated carboxylic acid or/and salt unsaturated carboxylic acid, and unsaturated carboxylic acid and salt unsaturated carboxylic acid include
In acrylic acid, sodium acrylate, methacrylic acid and Sodium methacrylate any one or it is two or more with it is any than mixing
Mixture, when monomer A is the mixture of unsaturated carboxylic acid and salt unsaturated carboxylic acid, unsaturated carboxylic acid and salt unsaturated carboxylic acid are pressed
Arbitrary proportion mixing；
The initiator be ammonium persulfate, sodium peroxydisulfate or potassium peroxydisulfate in any one or it is two or more arbitrarily to compare
Mixed mixture.
A kind of preparation method of concrete intensifier of the present invention, is achieved by the steps of:
(a1) by weight, be added into reaction kettle 15~30 parts of load weighted acrylic fibers, 5~10 parts of sulfuric acid and water 30~
65 parts, reaction temperature is maintained at 86~100 DEG C, reacts 1~5 hour, obtains mixture A；
(a2) by weight, then toward in reaction kettle in mixture A be added 1~5 part of tertiary-amino-containing monomer, monomer A 1
~10 parts and 0.1~5 part of initiator, reaction temperature control is reacted 4~6 hours under conditions of 90~100 DEG C to be mixed
Object B；
(a3) by weight, last that 5~15 parts of inorganic base are added into mixture B, after stirring 0.5~2 hour, i.e.,
Obtain the Concrete synergist.
The content of each component in 1 embodiment 1-6 of table
| Each component content | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Acrylic fibers | 16 | 18 | 20 | 25 | 27 | 29 |
| Sulfuric acid | 6 | 6 | 7 | 7 | 8 | 9 |
| Tertiary-amino-containing monomer | 4 | 3.5 | 3 | 2.5 | 2 | 1.5 |
| Monomer A | 2 | 4 | 6 | 6 | 8 | 9 |
| Initiator | 3 | 2.5 | 2 | 1.5 | 1 | 0.5 |
| Sodium hydroxide | 8 | 10 | 12 | 12 | 13 | 14 |
| Water | 61 | 56 | 50 | 46 | 41 | 37 |
With specific embodiment, the present invention is described in detail below, but the present invention is not limited only to this.
Embodiment 1
According to shown in table 1, in this implementation in a kind of concrete intensifier, the raw material components system matched by following weight parts
At:
The preparation method of concrete intensifier in the present embodiment, is achieved by the steps of:
(c1) by weight, after 16 parts of acrylic fibers, 61 parts of water, 6 parts of sulfuric acid being added into reaction kettle, stirring is opened, and open
Beginning heat temperature raising, until temperature is reacted 1.5 hours after reaching 88 DEG C；
(c2) by weight, continue that 4 parts of acrylate second are added in the mixture after reacting into reaction kettle
After ester, 2 parts of acrylic acid and 3 parts of ammonium persulfates, control temperature is reacted 4.5 hours under conditions of 92 DEG C；
(c3) by weight, 8 parts of sodium hydroxides are added into the mixture after step (2) reaction, after stirring 1 hour,
Up to the Concrete synergist.
Embodiment 2
Concrete intensifier in the present embodiment is made of the raw material components that following weight parts match:
The preparation method of concrete intensifier in the present embodiment, is achieved by the steps of:
(d1) by weight, after 18 parts of acrylic fibers, 56 parts of water, 6 parts of sulfuric acid being added into reaction kettle, stirring is opened, and open
Beginning heat temperature raising, until temperature is reacted 2 hours after reaching 90 DEG C；
(d2) by weight, continue that 3.5 parts of acrylates are added in the mixture after reacting into reaction kettle
After propyl ester, 4 parts of sodium acrylate and 2.5 parts of over cures, control temperature is reacted 5 hours under conditions of 93 DEG C；
(d3) by weight, 10 parts of sodium hydroxides are eventually adding, to get the concrete synergy after stirring 1.5 hours
Agent.
Embodiment 3
Concrete intensifier in the present embodiment is made of the raw material components that following weight parts match:
The preparation method of concrete intensifier in the present embodiment, is achieved by the steps of:
(b1) by weight, 20 parts of load weighted acrylic fibers, 7 parts of sulfuric acid and 50 parts of water, reaction temperature are added into reaction kettle
Degree is maintained at 95 DEG C, reacts 3 hours, obtains mixture A；
(b2) by weight, continue that dimethylaminoethyl acrylate 3 is added in the mixture after reacting into reaction kettle
Part, 6 parts of methacrylic acid and 2 parts of sodium peroxydisulfate, reaction temperature control are reacted 4.5 hours under conditions of 96 DEG C；
(b3) by weight, last to be added into mixture after 12 parts of potassium hydroxide, stirring 1 hour to get institute
State Concrete synergist.
Embodiment 4
Concrete intensifier in the present embodiment is made of the raw material components that following weight parts match:
The preparation method of concrete intensifier in the present embodiment, is achieved by the steps of:
(e1) by weight, after 25 parts of acrylic fibers, 46 parts of water, 7 parts of sulfuric acid being added into reaction kettle, stirring is opened, and open
Beginning heat temperature raising, until temperature is reacted 4.5 hours after reaching 98 DEG C；
(e2) by weight, continue that 2.5 parts of dimethylaminoethyl acrylate methyls are added in the mixture after reacting into reaction kettle
After amino ethyl ester, 6 parts of Sodium methacrylates and 1.5 parts of sodium peroxydisulfates, control temperature is reacted 4.8 hours under conditions of 97 DEG C；
(e3) by weight, last that 12 parts of sodium hydroxides are added into mixture, to get described after stirring 1.2 hours
Concrete synergist.
Embodiment 5
Concrete intensifier in the present embodiment is made of the raw material components that following weight parts match:
Wherein, unsaturated carboxylic acid and its salt use the mixture of acrylic acid and sodium acrylate, and acrylic acid and sodium acrylate
Weight fraction ratio be 1:1, that is, the dosage of sodium peroxydisulfate and potassium peroxydisulfate is respectively 4 parts and 4 parts.
Concrete intensifier in the present embodiment, is achieved by the steps of:
(f1) by weight, after 27 parts of acrylic fibers, 41 parts of water, 8 parts of sulfuric acid being added into reaction kettle, stirring is opened, and open
Beginning heat temperature raising, until temperature is reacted 2 hours after reaching 93 DEG C；
(f2) by weight, continue that 2 parts of dimethylaminoethyl acrylate methyl ammonia are added in the mixture after reacting into reaction kettle
After base propyl ester, 4 parts of acrylic acid and 4 parts of sodium acrylate and 1 part of potassium peroxydisulfate, it is small that control temperature reacts 5.5 under conditions of 97 DEG C
When；
(f3) by weight, last that 13 parts of potassium hydroxide are added into mixture, to get described after stirring 1.8 hours
Concrete synergist.
Embodiment 6
Concrete intensifier in the present embodiment is made of the raw material components that following weight parts match:
Wherein, initiator uses the mixture of sodium peroxydisulfate and potassium peroxydisulfate, and the weight of sodium peroxydisulfate and potassium peroxydisulfate
Portion rate is 1:4, that is, the dosage of sodium peroxydisulfate and potassium peroxydisulfate is respectively 0.1 part and 0.4 part.
The preparation method of concrete intensifier in the present embodiment, is achieved by the steps of:
(g1) by weight, after 29 parts of acrylic fibers, 37 parts of water, 9 parts of sulfuric acid being added into reaction kettle, stirring is opened, and open
Beginning heat temperature raising, until temperature is reacted 3.5 hours after reaching 96 DEG C；
(g2) by weight, continue that 1.5 parts of methacrylic acid diethyls are added in the mixture after reacting into reaction kettle
After amino propyl ester, 9 parts of unsaturated carboxylic acids and its salt, 0.1 part of sodium peroxydisulfate and 0.4 part of potassium peroxydisulfate, temperature is controlled at 99 DEG C
Under the conditions of react 4.5 hours；
(g3) by weight, last that 14 parts of sodium hydroxides are added into mixture, to get described after stirring 1.5 hours
Concrete synergist.
Following tests compares inspection using the common concrete grade C30 of Concrete Enterprises as benchmark match ratio.It uses
The concrete application test that Concrete synergist of the invention carries out, illustrates its effect.
2 C30 concrete mix kg/m3 of table
| Match ratio | Cement | Water | Flyash | Slag | River sand | 5~31.5mm rubble |
| Benchmark | 210 | 150 | 98 | 54 | 790 | 1038 |
| After adjustment | 189 | 150 | 98 | 54 | 790 | 1059 |
Remarks:
1, the cement of cement selection PO42.5；
2, the flyash that flyash uses, (45 μm) of fineness are 10%, and water demand ratio 94%, water content 0.3% is burnt and lost
Amount is 1.8%；
3, the specific surface area of slag is 420m2/kg, and fluidity ratio is that 102%, 7d compression strength is 77MPa, 28d resistance to compression
Intensity is 98MPa；
4, the natural river sand selected, fineness modulus 2.6, clay content 1.5, clod content are 0%；
5, the gradation of rubble is the rubble of 5~31.5mm, elongated particles 8.2%, crush index 11.1%, clay content
0.5%, clod content 0%；
6, water-reducing agent uses low dense polycarboxylate water-reducer JSS, water-reducing rate 20%.
A kind of Concrete synergist provided by the invention has reinforcing effect to cement, improves workability；Concrete is in benchmark
In the case that formulation condition is constant, the concrete workability of preparation is good, is easy to construct, and loss of slump is smaller, and 7d and 28d
Compression strength is obviously improved effect, and the experimental results are shown inthe following table for concrete strength:
The application effect of the Concrete synergist of 3 embodiment of the present invention 1~6 of table preparation
Remarks:
1, match ratio selects benchmark match ratio；
2, water-reducing agent is polycarboxylate water-reducer, dosage 9.7kg/m3；
2, the dosage of synergist is 3/10000ths of cement consumption.
A kind of Concrete synergist provided by the invention has reinforcing effect to cement, improves workability；Concrete is adjusting
Under the conditions of match ratio afterwards (cement consumption reduces 10%), experiment is compared with benchmark match ratio, finds 7d and 28d pressure resistance
Degree will not decline, or even also increase, it is known that, Concrete synergist provided by the invention is reduced the effect of cement consumption.
The experimental results are shown inthe following table for concrete strength:
The application effect of the Concrete synergist of 4 embodiment of the present invention 1~6 of table preparation
Remarks:
1, benchmark match ratio is selected in comparative sample experiment, and Examples 1 to 6 selects match ratio adjusted；
2, the dosage of polycarboxylate water-reducer is 9.7kg/m3；
3, the dosage of synergist is 3/10000ths of cement consumption.
Although the various embodiments described above are described, once a person skilled in the art knows basic wounds
The property made concept, then additional changes and modifications can be made to these embodiments, so the above description is only an embodiment of the present invention,
It is not intended to limit scope of patent protection of the invention, it is all to utilize equivalent structure or equivalent made by present specification
Process transformation, being applied directly or indirectly in other relevant technical fields, similarly includes in patent protection model of the invention
Within enclosing, for example acrylic fibers can meet national energy-saving using the acrylic fibres waste silk generated in factory or resident living as raw material
The requirement of consumption reduction.
Claims (7)
1. a kind of concrete intensifier, it is characterised in that: by weight, which is made of following raw materials:
15~30 parts of acrylic fibers
5~10 parts of sulfuric acid
1~5 part of tertiary-amino-containing monomer
1~10 part of monomer A
0.1~5 part of initiator
5~15 parts of inorganic base
30~65 parts of water
Wherein the concentration range of sulfuric acid is 90% -98%；
Wherein the monomer A is unsaturated carboxylic acid or/and salt unsaturated carboxylic acid, when monomer A is unsaturated carboxylic acid and insatiable hunger
When with the mixture of carboxylate, unsaturated carboxylic acid and salt unsaturated carboxylic acid mix in any proportion；The initiator is persulfuric acid
In ammonium, sodium peroxydisulfate or potassium peroxydisulfate any one or it is two or more with the mixed mixture of any ratio；
Wherein the tertiary-amino-containing monomer is dimethylaminoethyl acrylate, dimethylaminoethyl methacrylate, acrylic acid diethylamino
Base propyl ester, dimethylaminoethyl methacrylate, dimethylaminoethyl propyl ester and methacrylic acid lignocaine propyl ester
In any one or it is two or more with the mixed mixture of any ratio.
2. the concrete intensifier according to claim 1, it is characterised in that: by weight, the synergist is by following
Raw material composition:
20 parts of acrylic fibers
7 parts of sulfuric acid
3 parts of tertiary-amino-containing monomer
6 parts of monomer A
2 parts of initiator
12 parts of sodium hydroxide
50 parts of water.
3. according to claim 1 or concrete intensifier described in 2, it is characterised in that: the monomer A be acrylic acid,
In sodium acrylate, methacrylic acid and Sodium methacrylate any one or it is two or more with the mixed mixture of any ratio.
4. the method for preparing concrete intensifier described in claim 1-3, which comprises the following steps:
(a1) by weight, 15~30 parts of load weighted acrylic fibers, 5~10 parts of sulfuric acid and water 30 are added into reaction kettle
~65 parts, reaction temperature is maintained at 86~100 DEG C, reacts 1~5 hour, obtains mixture A；
(a2) by weight, then toward in reaction kettle in mixture A be added 1~5 part of tertiary-amino-containing monomer, monomer A 1
~10 parts and 0.1~5 part of initiator, reaction temperature control is reacted 4~6 hours under conditions of 90~100 DEG C
To mixture B；
(a3) by weight, last that 5~15 parts of inorganic base are added into mixture B, it stirs 0.5~2 hour
Afterwards to get the Concrete synergist；
The monomer A is unsaturated carboxylic acid or/and salt unsaturated carboxylic acid, when monomer A is unsaturated carboxylic acid and unsaturated carboxylic
When the mixture of hydrochlorate, unsaturated carboxylic acid and salt unsaturated carboxylic acid mix in any proportion；The initiator is ammonium persulfate, mistake
In sodium sulphate or potassium peroxydisulfate any one or it is two or more with the mixed mixture of any ratio.
5. preparing the method for concrete intensifier according to claim 4, which comprises the following steps:
(b1) by weight, 20 parts of load weighted acrylic fibers, 7 parts of sulfuric acid and 50 parts of water, reaction are added into reaction kettle
Temperature is maintained at 95 DEG C, reacts 3 hours, obtains mixture A；
(b2) by weight, then toward in reaction kettle in mixture A be added 3 parts of dimethylaminoethyl acrylate, methyl
6 parts of acrylic acid and 2 parts of sodium peroxydisulfate, reaction temperature control is reacted 4.5 hours under conditions of 96 DEG C to be mixed
Object B；
(b3) by weight, last that 12 parts of sodium hydroxide are added into mixture B, after stirring 1 hour to get
The Concrete synergist.
6. preparing the method for concrete intensifier according to claim 4 or 5, it is characterised in that: described to contain tertiary ammonia
Base monomer is dimethylaminoethyl acrylate, dimethylaminoethyl methacrylate, dimethylaminoethyl acrylate, methacrylic acid two
Any one or two kinds in methylamino ethyl ester, dimethylaminoethyl propyl ester and methacrylic acid lignocaine propyl ester with
On with the mixed mixture of any ratio.
7. preparing the method for concrete intensifier according to claim 4 or 5, it is characterised in that: the monomer A
For in acrylic acid, sodium acrylate, methacrylic acid and Sodium methacrylate any one or it is two or more with it is any than mixing
Mixture.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104478280A (en) * | 2014-12-30 | 2015-04-01 | 福建清源科技有限公司 | Concrete synergist and preparation method thereof |
| CN105968267A (en) * | 2016-07-15 | 2016-09-28 | 刘碧霞 | Cardanol derivative ceramic dispersant and preparation method thereof |
| CN106519103A (en) * | 2016-11-17 | 2017-03-22 | 李碧云 | Amphiphilic type ceramic dispersing agent and preparation method thereof |
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2017
- 2017-04-20 CN CN201710260455.0A patent/CN106946491B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104478280A (en) * | 2014-12-30 | 2015-04-01 | 福建清源科技有限公司 | Concrete synergist and preparation method thereof |
| CN105968267A (en) * | 2016-07-15 | 2016-09-28 | 刘碧霞 | Cardanol derivative ceramic dispersant and preparation method thereof |
| CN106519103A (en) * | 2016-11-17 | 2017-03-22 | 李碧云 | Amphiphilic type ceramic dispersing agent and preparation method thereof |
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