CN110452346A - A kind of water reducing agent for rare earth concrete for building - Google Patents
A kind of water reducing agent for rare earth concrete for building Download PDFInfo
- Publication number
- CN110452346A CN110452346A CN201910638533.5A CN201910638533A CN110452346A CN 110452346 A CN110452346 A CN 110452346A CN 201910638533 A CN201910638533 A CN 201910638533A CN 110452346 A CN110452346 A CN 110452346A
- Authority
- CN
- China
- Prior art keywords
- parts
- water
- reducing agent
- naphthalene
- rare earth
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 37
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 21
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 21
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims abstract description 64
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 14
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 14
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims abstract description 14
- KSVSZLXDULFGDQ-UHFFFAOYSA-M sodium;4-aminobenzenesulfonate Chemical compound [Na+].NC1=CC=C(S([O-])(=O)=O)C=C1 KSVSZLXDULFGDQ-UHFFFAOYSA-M 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 27
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical class C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 claims description 21
- 230000003213 activating effect Effects 0.000 claims description 12
- 238000006386 neutralization reaction Methods 0.000 claims description 11
- 239000007859 condensation product Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000007062 hydrolysis Effects 0.000 claims description 8
- 238000006460 hydrolysis reaction Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 238000010257 thawing Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 20
- 239000004568 cement Substances 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000003487 anti-permeability effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000000843 powder Substances 0.000 abstract description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 9
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 3
- 230000003260 anti-sepsis Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical group 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/16—Sulfur-containing compounds
- C04B24/20—Sulfonated aromatic compounds
- C04B24/22—Condensation or polymerisation products thereof
- C04B24/226—Sulfonated naphtalene-formaldehyde condensation products
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G16/00—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00
- C08G16/02—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00 of aldehydes
- C08G16/0212—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00 of aldehydes with acyclic or carbocyclic organic compounds
- C08G16/0218—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00 of aldehydes with acyclic or carbocyclic organic compounds containing atoms other than carbon and hydrogen
- C08G16/0237—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00 of aldehydes with acyclic or carbocyclic organic compounds containing atoms other than carbon and hydrogen containing sulfur
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of water reducing agent for rare earth concrete for building, it is related to water-reducing agent technical field, a kind of water reducing agent for rare earth concrete for building, including following raw material in parts by weight: 5-9 parts of naphthalene, 3-5 parts of the concentrated sulfuric acid, 2-4 parts of formaldehyde, 1-3 parts of melamine, 7-9 parts of phenol, 4-6 parts of Sodium p-aminobenzene sulfonat, 6-8 parts of liquid alkaline, 20-30 parts of water.It is good to many powder body material peptizaitons such as cement, water-reducing rate is up to 25%, have the advantages that using effect is good, effectively raise the anti-permeability performance of concrete, have the advantages that using effect is good, the corrosion resistance of concrete can effectively be improved, have the advantages that using effect is good, by using melamine, phenol and Sodium p-aminobenzene sulfonat, the corrosion resistance that concrete can further be improved, ensure that the using effect of concrete, by using liquid alkaline, it can effectively condensing agent be neutralized, thus the using effect of whole water-reducing agent.
Description
Technical field
The present invention relates to water-reducing agent technical field, specially a kind of water reducing agent for rare earth concrete for building.
Background technique
Water-reducing agent is a kind of under conditions of maintaining concrete slump to be basically unchanged, and can be reduced the coagulation of mixing water amount
Native additive has peptizaiton to cement granules after concrete mix is added, and can improve its workability, reduces flat water
Amount improves the mobility of concrete mix, or reduces unit cement consumption, saves cement.
For the water reducing agent for rare earth concrete of building, although all having the effect of reducing water consumption, water-reducing rate is lower, point
It is poor to dissipate property, and can not effectively guarantee the impermeability and corrosion resistance of concrete, using effect is poor.
Summary of the invention
The object of the invention is in order to make up for the deficiencies of the prior art, provide a kind of rare earth concrete diminishing for building
Agent, it has the advantages that using effect is preferable, solves the problems, such as that existing water-reducing agent using effect is poor.
The present invention is in order to solve the above technical problems, provide the following technical solutions: a kind of water reducing agent for rare earth concrete for building,
Including following raw material in parts by weight: 5-9 parts of naphthalene, 3-5 parts of the concentrated sulfuric acid, 2-4 parts of formaldehyde, 1-3 parts of melamine, phenol 7-
9 parts, 4-6 parts of Sodium p-aminobenzene sulfonat, 6-8 parts of liquid alkaline, 20-30 parts of water.
Further, preparation method includes the following steps:
Heating and melting in naphthalene being put into naphthalene kettle is put into the concentrated sulfuric acid after thawing, obtains naphthalene sulfonic acids a and naphthalene sulfonic acids b by S1；
S2 is hydrolyzed water is added in naphthalene sulfonic acids a, after hydrolysis, formaldehyde, melamine and naphthalene sulfonic acids b is put into reaction
Reaction, obtains activating agent A in kettle；
S3 adds phenol and Sodium p-aminobenzene sulfonat in reaction kettle, reacts with activating agent A, and water is constantly added dropwise in reaction process,
Condensation product is obtained after the completion；
Condensation product is put into neutralization kettle and liquid alkaline is added dropwise, neutralized by S4；
S5 carries out PH detection by PH test paper, obtains water-reducing agent.
Further, the naphthalene is solid under normal temperature conditions, forms liquid after heating.
By using above-mentioned technical proposal, naphthalene liquefied can be made, so that naphthalene be made preferably to be reacted.
Further, in the step S1, changing naphthalene kettle capacity is one of 400ml, 500ml and 600ml, heats duration
For 0.5-0.7h.
By using above-mentioned technical proposal, heating and melting effectively can be carried out to naphthalene, improve the thawing speed of naphthalene.
Further, in the step S2, when hydrolysis a length of 1-3h, reaction kettle capacity is 800ml, 900ml and 1000ml
One of, when reaction a length of 2-4h.
By using above-mentioned technical proposal, each raw material can be made to carry out homogeneous reaction by reaction kettle, have and be easy to use
The advantages of.
Further, in the step S3, when reaction, a water was added dropwise in a length of 1-3h, every 1-3min.
By using above-mentioned technical proposal, it can guarantee that the reaction of raw material is uniform, improve whole practicability.
Further, in the step S4, neutralizing kettle capacity is one of 1000ml, 1100ml and 1200ml, is neutralized
Shi Changwei 2-4h.
By using above-mentioned technical proposal, the uniform of N-process further ensure that, ensure that the practical of water-reducing agent
Effect.
Further, in the step S5, pH value will reach 7-9, then be collected.
By using above-mentioned technical proposal, the quality of water-reducing agent can effectively ensure that, have the advantages that be easy to use.
Compared with prior art, the water reducing agent for rare earth concrete for building have it is following the utility model has the advantages that
1, by the present invention in that with naphthalene, it is organic compound that naphthalene, which is a kind of polycyclic aromatic hydrocarbon, colourless, easily distils and has spy
The flat crystal of different smell, good to many powder body material peptizaitons such as cement, water-reducing rate has using effect good up to 25%
The advantages of, by using the concentrated sulfuric acid, the concentrated sulfuric acid is a kind of highly corrosive strong mineral acid, has strong corrosive, the concentrated sulfuric acid
There is strong oxidizing property when concentration is high, this is one of it and the maximum difference of dilute sulfuric acid, while it also has dehydration property, difficult volatilization
Property, acidity and water imbibition etc., effectively raise the anti-permeability performance of concrete, have the advantages that using effect is good.
2, by the present invention in that with formaldehyde, formaldehyde has the function of antisepsis and sterilization, can effectively improve the anti-of concrete
Corrosive nature has the advantages that using effect is good, can be further by using melamine, phenol and Sodium p-aminobenzene sulfonat
Raising concrete corrosion resistance, ensure that the using effect of concrete, being capable of effective condensing agent by using liquid alkaline
It is neutralized, thus the using effect of whole water-reducing agent.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment one
A kind of water reducing agent for rare earth concrete for building, including following raw material in parts by weight: 5-9 parts of naphthalene, the concentrated sulfuric acid 3
Part, 2 parts of formaldehyde, 1 part of melamine, 7 parts of phenol, 4 parts of Sodium p-aminobenzene sulfonat, 6 parts of liquid alkaline, 20 parts of water.
Preparation method includes the following steps:
Naphthalene is put into heating and melting 0.5h in the change naphthalene kettle that capacity is 400ml, is put into the concentrated sulfuric acid after thawing, obtains naphthalene by S1
Sulfonic acid a and naphthalene sulfonic acids b；
S2 is hydrolyzed 1h for water is added in naphthalene sulfonic acids a, after hydrolysis, formaldehyde, melamine and naphthalene sulfonic acids b is put into appearance
Amount is that 2h is reacted in the reaction kettle of 800ml, obtains activating agent A；
S3 adds phenol and Sodium p-aminobenzene sulfonat in reaction kettle, reacts 1h with activating agent A, reaction process is constantly added dropwise
Water, every 1min are added dropwise once, obtain condensation product after the completion；
Condensation product is put into the neutralization kettle that capacity is 1000ml and liquid alkaline is added dropwise, neutralized by S4, when neutralization a length of 2h；
S5 carries out PH detection when PH is 7-9 by PH test paper and obtains water-reducing agent.
Embodiment two
A kind of water reducing agent for rare earth concrete for building, including following raw material in parts by weight: 5-9 parts of naphthalene, the concentrated sulfuric acid 4
Part, 3 parts of formaldehyde, 2 parts of melamine, 8 parts of phenol, 5 parts of Sodium p-aminobenzene sulfonat, 7 parts of liquid alkaline, 25 parts of water.
Preparation method includes the following steps:
7 parts of naphthalenes are put into heating and melting 0.6h in the change naphthalene kettle that capacity is 500ml, 4 parts of concentrated sulfuric acids are put into after thawing by S1,
Obtain naphthalene sulfonic acids a and naphthalene sulfonic acids b；
S2 is hydrolyzed 2h for water is added in naphthalene sulfonic acids a, after hydrolysis, formaldehyde, melamine and naphthalene sulfonic acids b is put into appearance
Amount is that 3h is reacted in the reaction kettle of 900ml, obtains activating agent A；
S3 adds phenol and Sodium p-aminobenzene sulfonat in reaction kettle, reacts 2h with activating agent A, reaction process is constantly added dropwise
Water, every 2min are added dropwise once, obtain condensation product after the completion；
Condensation product is put into the neutralization kettle that capacity is 1100ml and liquid alkaline is added dropwise, neutralized by S4, when neutralization a length of 3h；
S5 carries out PH detection when PH is 7-9 by PH test paper and obtains water-reducing agent
Embodiment three
A kind of water reducing agent for rare earth concrete for building, including following raw material in parts by weight: 5-9 parts of naphthalene, the concentrated sulfuric acid 5
Part, 4 parts of formaldehyde, 3 parts of melamine, 9 parts of phenol, 6 parts of Sodium p-aminobenzene sulfonat, 8 parts of liquid alkaline, 30 parts of water.
Preparation method includes the following steps:
Naphthalene is put into heating and melting 0.7h in the change naphthalene kettle that capacity is 600ml, is put into the concentrated sulfuric acid after thawing, obtains naphthalene by S1
Sulfonic acid a and naphthalene sulfonic acids b；
S2 is hydrolyzed 3h for water is added in naphthalene sulfonic acids a, after hydrolysis, formaldehyde, melamine and naphthalene sulfonic acids b is put into appearance
Amount is that 4h is reacted in the reaction kettle of 1000ml, obtains activating agent A；
S3 adds phenol and Sodium p-aminobenzene sulfonat in reaction kettle, reacts 3h with activating agent A, reaction process is constantly added dropwise
Water, every 3min are added dropwise once, obtain condensation product after the completion；
Condensation product is put into the neutralization kettle that capacity is 1200ml and liquid alkaline is added dropwise, neutralized by S4, when neutralization a length of 4h；
S5, by PH test paper carry out PH detection, PH be 7-9 when, obtain water-reducing agent,
The prior art
A kind of water reducing agent for rare earth concrete for building, including following raw material in parts by weight: 5 parts of naphthalene, the concentrated sulfuric acid 3
Part, 3 parts of formaldehyde, 7 parts of liquid alkaline, 10 parts of water.
Preparation method includes the following steps:
Naphthalene is put into heating and melting 0.5h in the change naphthalene kettle that capacity is 400ml, is put into the concentrated sulfuric acid after thawing, obtains naphthalene by S1
Sulfonic acid a and naphthalene sulfonic acids b；
1h is hydrolyzed by water is added in naphthalene sulfonic acids a in S2, and after hydrolysis, it is 500ml that formaldehyde and naphthalene sulfonic acids b, which are put into capacity,
Reaction kettle in react 1h, obtain activating agent A；
Activating agent A is put into the neutralization kettle of 700ml and liquid alkaline is added dropwise, neutralized by S3, when neutralization a length of 1h；
S4 carries out PH detection when PH is 7-9 by PH test paper and obtains water-reducing agent.
The impervious rate of water-reducing agent in the prior art, water-reducing rate and anticorrosive rate are poor, be easy to cause the quality of concrete not
It is up to standard, and the water-reducing agent, by using naphthalene, good to many powder body material peptizaitons such as cement, water-reducing rate has up to 25%
The good advantage of using effect has dehydration property, difficult volatility, acidity and water imbibition etc. by using the concentrated sulfuric acid, effective to improve
The anti-permeability performance of concrete, has the advantages that using effect is good, and by using formaldehyde, formaldehyde has the function of antisepsis and sterilization,
The corrosion resistance that concrete can effectively be improved has the advantages that using effect is good, by using melamine, phenol and
Sodium p-aminobenzene sulfonat can further improve the corrosion resistance of concrete, ensure that the using effect of concrete, by making
It with liquid alkaline, can effectively condensing agent be neutralized, thus the using effect of whole water-reducing agent.
Claims (8)
1. a kind of water reducing agent for rare earth concrete for building, it is characterised in that: including following raw material in parts by weight: naphthalene 5-9
Part, 3-5 parts of the concentrated sulfuric acid, 2-4 parts of formaldehyde, 1-3 parts of melamine, 7-9 parts of phenol, 4-6 parts of Sodium p-aminobenzene sulfonat, 6-8 parts of liquid alkaline,
20-30 parts of water.
2. a kind of water reducing agent for rare earth concrete for building according to claim 1 and preparation method thereof includes the following steps:
Heating and melting in naphthalene being put into naphthalene kettle is put into the concentrated sulfuric acid after thawing, obtains naphthalene sulfonic acids a and naphthalene sulfonic acids b by S1；
S2 is hydrolyzed water is added in naphthalene sulfonic acids a, after hydrolysis, formaldehyde, melamine and naphthalene sulfonic acids b is put into reaction kettle
Reaction, obtains activating agent A；
S3 adds phenol and Sodium p-aminobenzene sulfonat in reaction kettle, reacts with activating agent A, and water is constantly added dropwise in reaction process, completes
After obtain condensation product；
Condensation product is put into neutralization kettle and liquid alkaline is added dropwise, neutralized by S4；
S5 carries out PH detection by PH test paper, obtains water-reducing agent.
3. a kind of water reducing agent for rare earth concrete for building according to claim 1, it is characterised in that: the naphthalene is in room temperature feelings
It is solid under condition, forms liquid after heating.
4. a kind of water reducing agent for rare earth concrete for building according to claim 1, it is characterised in that: in the step S1,
Changing naphthalene kettle capacity is one of 400ml, 500ml and 600ml, when heating a length of 0.5-0.7h.
5. a kind of water reducing agent for rare earth concrete for building according to claim 1, it is characterised in that: in the step S2,
A length of 1-3h when hydrolysis, reaction kettle capacity are one of 800ml, 900ml and 1000ml, when reaction a length of 2-4h.
6. a kind of water reducing agent for rare earth concrete for building according to claim 1, it is characterised in that: in the step S3,
A water is added dropwise in a length of 1-3h when reaction, every 1-3min.
7. a kind of water reducing agent for rare earth concrete for building according to claim 1, it is characterised in that: in the step S4,
Neutralizing kettle capacity is one of 1000ml, 1100ml and 1200ml, when neutralization a length of 2-4h.
8. a kind of water reducing agent for rare earth concrete for building according to claim 1, it is characterised in that: in the step S5,
PH value will reach 7-9, then be collected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638533.5A CN110452346A (en) | 2019-07-16 | 2019-07-16 | A kind of water reducing agent for rare earth concrete for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638533.5A CN110452346A (en) | 2019-07-16 | 2019-07-16 | A kind of water reducing agent for rare earth concrete for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110452346A true CN110452346A (en) | 2019-11-15 |
Family
ID=68481292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910638533.5A Pending CN110452346A (en) | 2019-07-16 | 2019-07-16 | A kind of water reducing agent for rare earth concrete for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110452346A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06305797A (en) * | 1993-04-27 | 1994-11-01 | Nippon Steel Chem Co Ltd | Cement dispersing agent |
| CN102086105A (en) * | 2010-12-10 | 2011-06-08 | 马清浩 | Modified naphthalene water reducer and preparation method thereof |
| CN103159425A (en) * | 2013-03-21 | 2013-06-19 | 安徽淮河化工股份有限公司 | Synthesis method of modified naphthalene water-reducing agent |
| CN103183486A (en) * | 2013-03-01 | 2013-07-03 | 王中 | Amino-sulfonic acid and naphthalene compound water reducing agent and preparation method thereof |
-
2019
- 2019-07-16 CN CN201910638533.5A patent/CN110452346A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06305797A (en) * | 1993-04-27 | 1994-11-01 | Nippon Steel Chem Co Ltd | Cement dispersing agent |
| CN102086105A (en) * | 2010-12-10 | 2011-06-08 | 马清浩 | Modified naphthalene water reducer and preparation method thereof |
| CN103183486A (en) * | 2013-03-01 | 2013-07-03 | 王中 | Amino-sulfonic acid and naphthalene compound water reducing agent and preparation method thereof |
| CN103159425A (en) * | 2013-03-21 | 2013-06-19 | 安徽淮河化工股份有限公司 | Synthesis method of modified naphthalene water-reducing agent |
Non-Patent Citations (1)
| Title |
|---|
| 丁忠传 等, 化学工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103641358B (en) | Effective pumping aid in premixing commodity packing design polycarboxylic acid series | |
| CN104844055A (en) | Concrete anti-freezing agent | |
| CN106188456B (en) | A kind of preparation method of modified naphthalene series water-reducing agent suitable for mud-containing aggregates | |
| CN105236798A (en) | Preparation method of naphthalene-series water reducing agent | |
| CN106186781B (en) | A kind of preparation method of modified naphthalene series water-reducing agent | |
| CN103922628B (en) | A kind of high performance water reducing agent of polyocarboxy acid of anti-freeze type and preparation method thereof | |
| CN102923991A (en) | Concrete multifunctional corrosion remover and preparation method thereof | |
| CN110452346A (en) | A kind of water reducing agent for rare earth concrete for building | |
| CN108484852A (en) | A kind of modified naphthalene series water-reducing agent of useless residue in the production process containing phenols | |
| CN106045459B (en) | Expanded perlite heat-insulation board prepared by using multi-metal phosphoric acid adhesive and preparation method thereof | |
| CN1800075A (en) | Simplified method for preparing low alkaline naphthalene series concrete water reducing agent | |
| CN102452806A (en) | Novel melamine water reducer and preparation method | |
| CN100560530C (en) | A kind of concrete superplasticizer in amino carboxyl classes and synthetic method thereof | |
| CN106632938B (en) | A kind of energy saving preparation method and its special equipment of naphthalene water reducer | |
| CN103159425A (en) | Synthesis method of modified naphthalene water-reducing agent | |
| CN102757539B (en) | Preparation method of polycarboxylic acid high-performance water reducing agent | |
| CN105314913B (en) | It is a kind of to solve the problems, such as the preparation method that polycarboxylate water-reducer isolates bleeding conditioning agent | |
| EP3725752B1 (en) | Concrete waterproofing agent | |
| CN103159902A (en) | Preparation method of high-performance polycarboxylate superplasticizer containing polyether and polyester constitutional unit | |
| CN102086104B (en) | Modified naphthalene series water reducer and preparation method thereof | |
| CN109867481A (en) | A kind of sodium gluconate slow setting air entraining agent | |
| CN109867477A (en) | A kind of monoisopropanolamine slow setting air entraining agent | |
| CN104446094A (en) | Preparation method for concrete retarding and water reducing air entraining agent | |
| CN110436870A (en) | A kind of humidity conditioning function ardealite materials for wall and preparation method thereof suitable for assembled architecture | |
| CN105884243A (en) | Concrete enhancer and preparation and application 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: 20191115 |