CN108219037A - The comprehensive water-reducing agent and its production technology of a kind of high-performance environment-friendly - Google Patents
The comprehensive water-reducing agent and its production technology of a kind of high-performance environment-friendly Download PDFInfo
- Publication number
- CN108219037A CN108219037A CN201810039143.1A CN201810039143A CN108219037A CN 108219037 A CN108219037 A CN 108219037A CN 201810039143 A CN201810039143 A CN 201810039143A CN 108219037 A CN108219037 A CN 108219037A
- Authority
- CN
- China
- Prior art keywords
- parts
- acid
- water
- reducing agent
- friendly
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/34—Introducing sulfur atoms or sulfur-containing groups
- C08F8/36—Sulfonation; Sulfation
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/16—Sulfur-containing compounds
- C04B24/161—Macromolecular compounds comprising sulfonate or sulfate groups
- C04B24/163—Macromolecular compounds comprising sulfonate or sulfate groups obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/165—Macromolecular compounds comprising sulfonate or sulfate groups obtained by reactions only involving carbon-to-carbon unsaturated bonds containing polyether side chains
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
- C08F283/065—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals on to unsaturated polyethers, polyoxymethylenes or polyacetals
-
- 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 the comprehensive water-reducing agents and its production technology of a kind of high-performance environment-friendly, are made of according to parts by weight the following raw material：450 500 parts of 30 40 parts of acetone, 50 65 parts of formaldehyde, 40 50 parts of sulphite, 1,000 1200 parts of unsaturated organic acid polyoxyethylene ether-ester, acrylic acid and hydroxypropyl acrylate, 100 120 parts of methylcrotonic acid, 80 100 parts of styrene, 50 60 parts of initiator, 25 30 parts of aminobenzenesulfonic acid, 10 12 parts of phenol, 20 25 parts of sulfonating agent, 25 30 parts of oxidant, 1,000 1200 parts of pure water；Sulfonation auxiliary material and sulfonation are prepared according to formula successively, by the way that temperature and acid-base property is controlled to carry out thermal polymerization and condensation, finally adjust pH to neutrality, and by liquid concentration or is dried to obtain the water-reducing agents of liquid or pulverulent solids.
Description
Technical field
The present invention relates to cement additire technical field, the comprehensive water-reducing agent of specially a kind of high-performance environment-friendly and its life
Production. art.
Background technology
Polycarboxylate high performance water-reducing agent is to develop swift and violent third generation high-performance water reducing agent in recent years.Since its is superior
Dispersion performance and the controllability used receive the high praise for manufacturing enterprise and users.But current polycarboxylic acids
Some problems are still had in production and application, affect its development, such as downstream of its primary raw material from petroleum refining
Product, supply are becoming tight, and price has larger fluctuation day.Concrete hair can be generated again in the concrete use of high intensity
It glues, take off phenomena such as bottom.These problems cause the concern and attention of users and the producer, promote people to reduce raw material into
This, price stabilization and further thinking and the research and development of improvement aspect of performance.
To solve the above-mentioned problems, in the prior art, the water reducing type such as announced application No. is 201610481516.1 gathers
Carboxylic acid high-performance water reducing agent and its production technology, very high mobility have the intensity of formation of concrete carrying by a relatively large margin
Height, air content is moderate, and freeze-thaw resistance significantly improves, and easily pours into a mould and closely knit, greatly improves concrete service life.But it is still
So exist and prepare the problem of difficult, and due to preparation flow complexity, the practical quality for preparing is irregular, during preparation
Due to controlling temperature and PH etc., a large amount of waste material and waste water are often generated, but also use can not be recycled, directly arranged
A large amount of pollution will be generated by putting, and manufacturing cost can be improved again by carrying out waste disposal.
Invention content
In order to overcome the shortcomings of prior art, the present invention provide a kind of high-performance environment-friendly comprehensive water-reducing agent and its
Production technology can effectively solve the problem that the problem of background technology proposes.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of comprehensive water-reducing agent of high-performance environment-friendly is made of according to parts by weight the following raw material：
30-40 parts of acetone, 50-65 parts of formaldehyde, 40-50 parts of sulphite, unsaturated organic acid polyoxyethylene ether-ester 1000-
450-500 parts of 1200 parts, acrylic acid and hydroxypropyl acrylate, 80-100 parts of styrene, cause 100-120 parts of methylcrotonic acid
50-60 parts of agent, 25-30 parts of aminobenzenesulfonic acid, 10-12 parts of phenol, 20-25 parts of sulfonating agent, 25-30 parts of oxidant, pure water
1000-1200 parts.
As a kind of preferred technical solution of the present invention, it is made of according to parts by weight the following raw material：35 parts of acetone, formaldehyde
60 parts, 45 parts of sulphite, 1100 parts of unsaturated organic acid polyoxyethylene ether-ester, acrylic acid and 475 parts of hydroxypropyl acrylate, first
110 parts of base butenoic acid, 90 parts of styrene, 55 parts of initiator, 27 parts of aminobenzenesulfonic acid, 11 parts of phenol, 23 parts of sulfonating agent, oxidant
27 parts, 1100 parts of pure water.
As a kind of preferred technical solution of the present invention, the initiator is dibenzoyl peroxide, dicetyl peroxydicarbonate
Two hexadecyl esters and dicetyl peroxydicarbonate dihexyl are 2 in molar ratio：4：1 ratio mixes.
As a kind of preferred technical solution of the present invention, the sulfonating agent uses 98% concentrated sulfuric acid.
As a kind of preferred technical solution of the present invention, the oxidant by any one in hydrogen peroxide or ozone or
Two kinds of arbitrary combination.
In addition, a kind of production technology of the comprehensive water-reducing agent the present invention also provides high-performance environment-friendly, including walking as follows
Suddenly：
Step 100 sequentially adds methylcrotonic acid, aminobenzenesulfonic acid, phenol, sulfonating agent formaldehyde and acetone system according to formula
Standby sulfonation auxiliary material；
Step 200 adds in sulphite, unsaturated organic acid polyoxyethylene ether-ester, acrylic acid and propylene in a kettle
Sour hydroxypropyl acrylate and styrene, and heat up and be heated to melting, it persistently stirs, and add in above-mentioned sulfonation auxiliary material, is heating up after thawing
Start to be slowly added to sulfonating agent during to 150-180 DEG C, initiator is also gradually added while sulfonating agent is added in, in the shape of stirring
165 DEG C of temperature 2-3h are maintained under state；
Step 300 is cooled to 100-120 DEG C, and dispensings other in formula are gradually added in, and maintains temperature 30-
60min maintains acid-base value above-mentioned state to be kept to carry out condensation reaction 2-3h, after reaction in 5-6 by adding water and sulfuric acid
Cold water is added in stir evenly；
Step 400, adjustment pH are to neutrality, and by liquid concentration to 45-60%, spray drying obtain pulverulent solids or
Person is concentrated into required concentration liquids.
As a kind of preferred technical solution of the present invention, in step 100, sulfonating agent the specific steps are：
Step 101 heats water to 85-100 DEG C, sequentially adds methylcrotonic acid, aminobenzenesulfonic acid, phenol and sulfonation
Agent, and above-mentioned temperature 1-2h is maintained, it is persistently stirred while temperature is maintained；
Step 102 adds in formaldehyde and acetone in the reactant of above-mentioned steps, is persistently heated up to 165-180 DEG C, and stir
Carry out condensation reaction 8-10h；
Step 103 concentrates resulting material in above-mentioned steps, and cooled to room temperature.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is for main raw material(s) with aminobenzenesulfonic acid etc., and the contracting that heating polymerization is formed is carried out under conditions of aqueous
Object, good combination property are closed, and there is strong peptizaiton to cement ion, water-reducing rate is high, can control collapsing for concrete
Degree of falling loses, and greatly improves the mobility of mortar and concrete, and enhancing effect is notable, it is most important that, in raw material, nothing
Poison is pollution-free, does not have any corrosion custom to reinforcing bar, has preferable workability, applicability is good, and in the process of preparation
In, trash discharge will not be generated, even if generating waste material, use can be added again, can effectively improve the profit of raw material
With rate, at the same time it also is able to reduce pollution, the process entirely prepared is simple easily controllable, only need to according to set requirements add
Enter time, temperature and the acid-base property of dispensing and control reaction, good combination property.
Description of the drawings
Fig. 1 is the flow diagram of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1：
A kind of comprehensive water-reducing agent of high-performance environment-friendly is made of according to parts by weight the following raw material：
30 parts of acetone, 50 parts of formaldehyde, 40 parts of sulphite, 1000 parts of unsaturated organic acid polyoxyethylene ether-ester, acrylic acid
With 450 parts of hydroxypropyl acrylate, 100 parts of methylcrotonic acid, 80 parts of styrene, 50 parts of initiator, 25 parts of aminobenzenesulfonic acid, phenol
10 parts, 20 parts of sulfonating agent, 25 parts of oxidant, 1000 parts of pure water.
As the preferred of present embodiment, the initiator is dibenzoyl peroxide, two hexadecyl ester of dicetyl peroxydicarbonate
It is 2 in molar ratio with dicetyl peroxydicarbonate dihexyl：4：1 ratio mixes；The sulfonating agent uses 98% concentrated sulfuric acid；
The oxidant is by any one in hydrogen peroxide or ozone or two kinds of arbitrary combination.
In addition, as shown in Figure 1, a kind of production technology of the comprehensive water-reducing agent the present invention also provides high-performance environment-friendly,
Include the following steps：
Step 100 sequentially adds methylcrotonic acid, aminobenzenesulfonic acid, phenol, sulfonating agent formaldehyde and acetone system according to formula
Standby sulfonation auxiliary material.
Wherein, in above-mentioned steps, sulfonating agent the specific steps are：
Step 101 heats water to 85 DEG C, sequentially adds methylcrotonic acid, aminobenzenesulfonic acid, phenol and sulfonating agent, and
And above-mentioned temperature 1h is maintained, it is persistently stirred while temperature is maintained；
Step 102 adds in formaldehyde and acetone in the reactant of above-mentioned steps, is persistently heated up to 165 DEG C, and stir progress
Condensation reaction 8h；
Step 103 concentrates resulting material in above-mentioned steps, and cooled to room temperature.
Step 200 adds in sulphite, unsaturated organic acid polyoxyethylene ether-ester, acrylic acid and propylene in a kettle
Sour hydroxypropyl acrylate and styrene, and heat up and be heated to melting, it persistently stirs, and add in above-mentioned sulfonation auxiliary material, is heating up after thawing
Start to be slowly added to sulfonating agent during to 150 DEG C, initiator is also gradually added while sulfonating agent is added in, in the state of stirring
Maintain 165 DEG C of temperature 2h.
Step 300 is cooled to 100 DEG C, and dispensings other in formula are gradually added in, and maintains temperature 30min, passes through
Adding water and sulfuric acid maintains acid-base value above-mentioned state to be kept to carry out condensation reaction 2h, it is equal to add in cold water stirring after reaction 5
It is even.
Step 400, adjustment pH are to neutrality, and by liquid concentration to 45%, spray drying obtain pulverulent solids or
It is concentrated into required concentration liquids.
Embodiment 2：
A kind of comprehensive water-reducing agent of high-performance environment-friendly is made of according to parts by weight the following raw material：
35 parts of acetone, 60 parts of formaldehyde, 45 parts of sulphite, 1100 parts of unsaturated organic acid polyoxyethylene ether-ester, acrylic acid
With 475 parts of hydroxypropyl acrylate, 110 parts of methylcrotonic acid, 90 parts of styrene, 55 parts of initiator, 27 parts of aminobenzenesulfonic acid, phenol
11 parts, 23 parts of sulfonating agent, 27 parts of oxidant, 1100 parts of pure water.
As the preferred of present embodiment, the initiator is dibenzoyl peroxide, two hexadecyl ester of dicetyl peroxydicarbonate
It is 2 in molar ratio with dicetyl peroxydicarbonate dihexyl：4：1 ratio mixes；The sulfonating agent uses 98% concentrated sulfuric acid；
The oxidant is by any one in hydrogen peroxide or ozone or two kinds of arbitrary combination.
In addition, as shown in Figure 1, a kind of production technology of the comprehensive water-reducing agent the present invention also provides high-performance environment-friendly,
Include the following steps：
Step 100 sequentially adds methylcrotonic acid, aminobenzenesulfonic acid, phenol, sulfonating agent formaldehyde and acetone system according to formula
Standby sulfonation auxiliary material.
Wherein, in above-mentioned steps, sulfonating agent the specific steps are：
Step 101 heats water to 92 DEG C, sequentially adds methylcrotonic acid, aminobenzenesulfonic acid, phenol and sulfonating agent, and
And above-mentioned temperature 1.5h is maintained, it is persistently stirred while temperature is maintained；
Step 102 adds in formaldehyde and acetone in the reactant of above-mentioned steps, is persistently heated up to 173 DEG C, and stir progress
Condensation reaction 9h；
Step 103 concentrates resulting material in above-mentioned steps, and cooled to room temperature.
Step 200 adds in sulphite, unsaturated organic acid polyoxyethylene ether-ester, acrylic acid and propylene in a kettle
Sour hydroxypropyl acrylate and styrene, and heat up and be heated to melting, it persistently stirs, and add in above-mentioned sulfonation auxiliary material, is heating up after thawing
Start to be slowly added to sulfonating agent during to 165 DEG C, initiator is also gradually added while sulfonating agent is added in, in the state of stirring
Maintain 165 DEG C of temperature 2.5h.
Step 300 is cooled to 110 DEG C, and dispensings other in formula are gradually added in, and maintains temperature 45min, passes through
It adds water and sulfuric acid maintains acid-base value 5.5, above-mentioned state is kept to carry out condensation reaction 2.5h, cold water is added in after reaction and stirs
It mixes uniformly.
Step 400, adjustment pH are to neutrality, and by liquid concentration to 53%, spray drying obtain pulverulent solids or
It is concentrated into required concentration liquids.
Embodiment 3：
A kind of comprehensive water-reducing agent of high-performance environment-friendly is made of according to parts by weight the following raw material：
40 parts of acetone, 65 parts of formaldehyde, 50 parts of sulphite, 1200 parts of unsaturated organic acid polyoxyethylene ether-ester, acrylic acid
With 500 parts of hydroxypropyl acrylate, 120 parts of methylcrotonic acid, 100 parts of styrene, 60 parts of initiator, 30 parts of aminobenzenesulfonic acid, benzene
12 parts of phenol, 25 parts of sulfonating agent, 30 parts of oxidant, 1200 parts of pure water.
As the preferred of present embodiment, the initiator is dibenzoyl peroxide, two hexadecyl ester of dicetyl peroxydicarbonate
It is 2 in molar ratio with dicetyl peroxydicarbonate dihexyl：4：1 ratio mixes；The sulfonating agent uses 98% concentrated sulfuric acid；
The oxidant is by any one in hydrogen peroxide or ozone or two kinds of arbitrary combination.
In addition, as shown in Figure 1, a kind of production technology of the comprehensive water-reducing agent the present invention also provides high-performance environment-friendly,
Include the following steps：
Step 100 sequentially adds methylcrotonic acid, aminobenzenesulfonic acid, phenol, sulfonating agent formaldehyde and acetone system according to formula
Standby sulfonation auxiliary material.
Wherein, in above-mentioned steps, sulfonating agent the specific steps are：
Step 101 heats water to 100 DEG C, sequentially adds methylcrotonic acid, aminobenzenesulfonic acid, phenol and sulfonating agent, and
And above-mentioned temperature 2h is maintained, it is persistently stirred while temperature is maintained；
Step 102 adds in formaldehyde and acetone in the reactant of above-mentioned steps, is persistently heated up to 180 DEG C, and stir progress
Condensation reaction 10h；
Step 103 concentrates resulting material in above-mentioned steps, and cooled to room temperature.
Step 200 adds in sulphite, unsaturated organic acid polyoxyethylene ether-ester, acrylic acid and propylene in a kettle
Sour hydroxypropyl acrylate and styrene, and heat up and be heated to melting, it persistently stirs, and add in above-mentioned sulfonation auxiliary material, is heating up after thawing
Start to be slowly added to sulfonating agent during to 180 DEG C, initiator is also gradually added while sulfonating agent is added in, in the state of stirring
Maintain 165 DEG C of temperature 3h.
Step 300 is cooled to 120 DEG C, and dispensings other in formula are gradually added in, and maintains temperature 60min, passes through
Adding water and sulfuric acid maintains acid-base value above-mentioned state to be kept to carry out condensation reaction 3h, it is equal to add in cold water stirring after reaction 6
It is even.
Step 400, adjustment pH are to neutrality, and by liquid concentration to 60%, spray drying obtain pulverulent solids or
It is concentrated into required concentration liquids.
The present invention tests the performance of water-reducing agent obtained using following method：
Test method：It chooses above-mentioned according to preparation method obtained three samples in different embodiments, records respectively
It is as a comparison sample for embodiment 1, embodiment 2, embodiment 3, then water-reducing agent prepared by the method for taking use common, to its item
Performance is tested, including water-reducing rate (%), Qinshui rate (%), air content (%), setting time poor (min), for 24 hours compression strength
Than (%) and shrinking percentage (%), test result is as follows：
Test result：As can be seen that the water-reducing rate of water-reducing agent disclosed by the invention, Qinshui from the test of upper several samples
Rate, air content, setting time is poor, compressive strength rate and shrinking percentage are all greatly improved for 24 hours, this is in the embodiment of the present invention
Selected important parameter testing is as a result, be not restricted to the improvement of other relevant performance parameters of the present invention.
In summary, the present invention is for main raw material(s) with aminobenzenesulfonic acid etc., and it is poly- that heating is carried out under conditions of aqueous
The condensation product formed, good combination property are closed, and there is strong peptizaiton to cement ion, water-reducing rate is high, can control
The slump-loss of concrete, greatly improves the mobility of mortar and concrete, and enhancing effect is notable, it is most important that,
It is nontoxic and pollution-free in raw material, there is no any corrosion custom to reinforcing bar, there is preferable workability, applicability is good, Er Qie
During preparation, trash discharge will not be generated, even if generating waste material, use can be added again, can effectively improve
At the same time the utilization rate of raw material also is able to reduce pollution, the process entirely prepared is simple easily controllable, only need to be according to setting
Fixed requirement adds in time, temperature and the acid-base property of dispensing and control reaction, good combination property.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (7)
1. the comprehensive water-reducing agent of a kind of high-performance environment-friendly, which is characterized in that be made of according to parts by weight the following raw material：
30-40 parts of acetone, 50-65 parts of formaldehyde, 40-50 parts of sulphite, unsaturated organic acid polyoxyethylene ether-ester 1000-1200
Part, acrylic acid and 450-500 parts of hydroxypropyl acrylate, 100-120 parts of methylcrotonic acid, 80-100 parts of styrene, initiator 50-
60 parts, 25-30 parts of aminobenzenesulfonic acid, 10-12 parts of phenol, 20-25 parts of sulfonating agent, 25-30 parts of oxidant, pure water 1000-
1200 parts.
2. the comprehensive water-reducing agent of a kind of high-performance environment-friendly according to claim 1, which is characterized in that 35 parts of acetone, first
475 parts of 60 parts of aldehyde, 45 parts of sulphite, 1100 parts of unsaturated organic acid polyoxyethylene ether-ester, acrylic acid and hydroxypropyl acrylate,
110 parts of methylcrotonic acid, 90 parts of styrene, 55 parts of initiator, 27 parts of aminobenzenesulfonic acid, 11 parts of phenol, 23 parts of sulfonating agent, oxidation
27 parts of agent, 1100 parts of pure water.
3. the comprehensive water-reducing agent of a kind of high-performance environment-friendly according to claim 1, which is characterized in that the initiator is
Dibenzoyl peroxide, two hexadecyl ester of dicetyl peroxydicarbonate and dicetyl peroxydicarbonate dihexyl are 2 in molar ratio：4：1 ratio
It mixes.
4. the comprehensive water-reducing agent of a kind of high-performance environment-friendly according to claim 1, which is characterized in that the sulfonating agent is adopted
With 98% concentrated sulfuric acid.
5. a kind of comprehensive water-reducing agent of high-performance environment-friendly according to claim 1, which is characterized in that the oxidant by
The arbitrary combination of any one or two kinds in hydrogen peroxide or ozone.
6. the production technology of the comprehensive water-reducing agent of a kind of high-performance environment-friendly, which is characterized in that include the following steps：
Step 100 sequentially adds methylcrotonic acid, aminobenzenesulfonic acid, phenol, sulfonating agent formaldehyde and acetone according to formula and prepares sulphur
Change auxiliary material；
Step 200 adds in sulphite, unsaturated organic acid polyoxyethylene ether-ester, acrylic acid and acrylic acid hydroxyl in a kettle
Propyl ester and styrene, and heat up and be heated to melting, it persistently stirs, and add in above-mentioned sulfonation auxiliary material, is being warming up to after thawing
Start to be slowly added to sulfonating agent at 150-180 DEG C, initiator is also gradually added while sulfonating agent is added in, in the state of stirring
165 DEG C of temperature 2-3h of lower maintenance；
Step 300 is cooled to 100-120 DEG C, and dispensings other in formula are gradually added in, and maintains temperature 30-60min,
Acid-base value is maintained above-mentioned state to be kept to carry out condensation reaction 2-3h, is added in after reaction cold in 5-6 by adding water and sulfuric acid
Water stirs evenly；
To neutrality, and by liquid concentration to 45-60%, spray drying obtains pulverulent solids or dense by step 400, adjustment pH
It is reduced to required concentration liquids.
7. a kind of production technology of the comprehensive water-reducing agent of high-performance environment-friendly according to claim 6, which is characterized in that
In step 100, sulfonating agent the specific steps are：
Step 101 heats water to 85-100 DEG C, sequentially adds methylcrotonic acid, aminobenzenesulfonic acid, phenol and sulfonating agent, and
And above-mentioned temperature 1-2h is maintained, it is persistently stirred while temperature is maintained；
Step 102 adds in formaldehyde and acetone in the reactant of above-mentioned steps, is persistently heated up to 165-180 DEG C, and stir progress
Condensation reaction 8-10h；
Step 103 concentrates resulting material in above-mentioned steps, and cooled to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039143.1A CN108219037A (en) | 2018-01-16 | 2018-01-16 | The comprehensive water-reducing agent and its production technology of a kind of high-performance environment-friendly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039143.1A CN108219037A (en) | 2018-01-16 | 2018-01-16 | The comprehensive water-reducing agent and its production technology of a kind of high-performance environment-friendly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108219037A true CN108219037A (en) | 2018-06-29 |
Family
ID=62641649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810039143.1A Pending CN108219037A (en) | 2018-01-16 | 2018-01-16 | The comprehensive water-reducing agent and its production technology of a kind of high-performance environment-friendly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108219037A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559963A (en) * | 2004-02-26 | 2005-01-05 | 同济大学 | Sulfamate as high performance reducing water agent for building and preparing proces thereof |
| CN1704371A (en) * | 2004-05-28 | 2005-12-07 | 班俊生 | High performance water-reducing agent of sulfanilate-sulfonated acetone-formaldehyde condensate and process for making same |
| CN1765811A (en) * | 2005-08-31 | 2006-05-03 | 南京瑞迪高新技术公司 | High efficiency water reducing agent for suppressing alkali-aggregate reaction efficiency and its preparation method |
| CN101293757A (en) * | 2008-06-17 | 2008-10-29 | 武汉理工大学 | Polyether modification type sulfamate water reducing agent and preparation method |
| CN102504151A (en) * | 2011-10-17 | 2012-06-20 | 山东宏艺科技股份有限公司 | Sulfonate water reducer and preparation method thereof |
| CN106084152A (en) * | 2016-06-28 | 2016-11-09 | 四川宇砼建材有限公司 | Water reducing type high performance water reducing agent of polyocarboxy acid and production technology thereof |
-
2018
- 2018-01-16 CN CN201810039143.1A patent/CN108219037A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559963A (en) * | 2004-02-26 | 2005-01-05 | 同济大学 | Sulfamate as high performance reducing water agent for building and preparing proces thereof |
| CN1704371A (en) * | 2004-05-28 | 2005-12-07 | 班俊生 | High performance water-reducing agent of sulfanilate-sulfonated acetone-formaldehyde condensate and process for making same |
| CN1765811A (en) * | 2005-08-31 | 2006-05-03 | 南京瑞迪高新技术公司 | High efficiency water reducing agent for suppressing alkali-aggregate reaction efficiency and its preparation method |
| CN101293757A (en) * | 2008-06-17 | 2008-10-29 | 武汉理工大学 | Polyether modification type sulfamate water reducing agent and preparation method |
| CN102504151A (en) * | 2011-10-17 | 2012-06-20 | 山东宏艺科技股份有限公司 | Sulfonate water reducer and preparation method thereof |
| CN106084152A (en) * | 2016-06-28 | 2016-11-09 | 四川宇砼建材有限公司 | Water reducing type high performance water reducing agent of polyocarboxy acid and production technology thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104371076B (en) | A kind of method of normal temperature synthesis polycarboxylate water-reducer | |
| CN105236798B (en) | A kind of preparation method of naphthalene water reducer | |
| CN105236800B (en) | A kind of poly carboxylic acid series water reducer mother liquor and its preparation method and application | |
| CN103964731B (en) | A kind of polycarboxylate water-reducer and preparation method thereof | |
| CN105801786A (en) | Low-cost modified naphthalene-based superplasticizer with high slump-keeping property and preparation method thereof | |
| CN105778014A (en) | Method for preparing high-solid content polycarboxylate superplasticizer | |
| CN109279803A (en) | The improvement of naphthalene water reducer preparation method and its control method of quality index | |
| CN108219037A (en) | The comprehensive water-reducing agent and its production technology of a kind of high-performance environment-friendly | |
| CN103943892B (en) | One is internalized into battery pole plates and closes cream technique winter | |
| CN106243289B (en) | A kind of concrete early strength agent and preparation method thereof | |
| CN102372620B (en) | Magnesium Stearate improves the preparation method of its specific volume and whiteness | |
| CN104761688A (en) | An early-strength type polycarboxylic acid water reducer and a preparing method thereof | |
| CN105541162A (en) | High-performance water reducing agent used for concrete and preparation method thereof | |
| CN109096449A (en) | Concrete slump retaining agent and preparation method thereof with high-adaptability | |
| CN109467355A (en) | A kind of lightweight concrete preparation method containing aeroge | |
| CN106632938B (en) | A kind of energy saving preparation method and its special equipment of naphthalene water reducer | |
| CN206778419U (en) | High dispersive reactor is used in a kind of ferric phosphate production | |
| CN106007444A (en) | Modified alcohol amine and preparation method thereof and application | |
| CN106084152A (en) | Water reducing type high performance water reducing agent of polyocarboxy acid and production technology thereof | |
| CN109678411A (en) | A kind of preparation method of fiber reinforcement phase-changing and temperature-regulating plate | |
| CN104393351A (en) | Preparation and glue injection technology of lead acid storage battery gel electrolyte | |
| CN109320124A (en) | A kind of modified polycarboxylic acid alkanolamine ester high-molecular cement grinding aid and preparation method thereof | |
| CN103011665A (en) | Aliphat water reducer and naphthalene water reducer chemical compound process | |
| CN109749021A (en) | The preparation method of polycarboxylate water-reducer | |
| CN106632894A (en) | Comprehensive polycarboxylate superplasticizer and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180629 |
|
| RJ01 | Rejection of invention patent application after publication |