CN105417989B - A kind of suppression alkaline agent for ordinary portland cement - Google Patents
A kind of suppression alkaline agent for ordinary portland cement Download PDFInfo
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- CN105417989B CN105417989B CN201511025108.7A CN201511025108A CN105417989B CN 105417989 B CN105417989 B CN 105417989B CN 201511025108 A CN201511025108 A CN 201511025108A CN 105417989 B CN105417989 B CN 105417989B
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- alkaline agent
- portland cement
- ordinary portland
- suppression
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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
-
- 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
- C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of suppression alkaline agent for ordinary portland cement, the suppression alkaline agent includes at least hydrocarbon solvent D40, calcium stearate, ethyl alcohol and cuprous sulfate.Suppression alkaline agent of the present invention for ordinary portland cement significantly improves the anti-accumulation of salt in the surface soil and durability of cement matrix in the case where can guarantee that cement mortar and concrete water cement-based material performance are not reduced or increased.To make the quality of building and the aesthetic feeling of appearance and durability all have greatly improved, while reducing the maintenance cost of building.
Description
Technical field
The present invention relates to the field of building materials, in particular to a kind of suppression alkaline agent for ordinary portland cement.
Background technique
The main reason for anti-alkali of metope is commonly called as cement frosting is that cement product calcium hydroxide and the carbon dioxide in atmosphere are anti-
It answers, generates tosca on concrete product surface.Or: in hydrated product calcium hydroxide solution, after water evaporation, hydrogen
Calcium oxide in concrete crack crystallization and assemble on its surface.In addition, in lime stone or building sand, containing a certain amount of
The solvable organic matter containing alkali, the hydroxide formed by them, carbonate or other alkali salt solution are relatively easily, promptly
Concrete surface exudation " frosting salt " and frosting.The easy accumulation of salt in the surface soil of ordinary portland cement product surface, influences the appearance of cement products,
If any band-like white dot, mainly since Ca2+, Mg2+ in cement are with water translocation to cement products surface.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of suppression alkaline agents for ordinary portland cement, to overcome light water clay
The easy accumulation of salt in the surface soil in product surface, the shortcomings that influencing cement products appearance.
To achieve the above object, the present invention provides a kind of suppression alkaline agent for ordinary portland cement, the suppression alkaline agents
Including at least hydrocarbon solvent D40, calcium stearate, ethyl alcohol and cuprous sulfate.
Preferably, in above-mentioned technical proposal, according to parts by weight, the suppression alkaline agent includes at least following component: hydrocarbon molten
D400.01-0.1 parts of agent, 0.01-0.05 parts of calcium stearate, 0.1-0.5 parts of ethyl alcohol and 0.1-1 parts of cuprous sulfate.
Preferably, in above-mentioned technical proposal, the suppression alkaline agent further include: active silica, defoaming agent, cellulose ether, naphthalene
Sulfonic formaldehyde condensation compound sodium salt, methyltrimethoxysilane and nitrilotriacetic acid.
Preferably, in above-mentioned technical proposal, according to parts by weight, the suppression alkaline agent includes at least following component: active oxygen
1-5 parts of SiClx, 0.05-0.1 parts of defoaming agent, 0.05-0.1 parts of cellulose ether, 0.1-1 parts of naphthalene sulfonic acid-formaldehyde condensation product sodium salt, first
0.1-1 parts and 0.01~0.1 part of nitrilotriacetic acid of base trimethoxy silane.
Preferably, in above-mentioned technical proposal, agent includes following component in parts by weight: D400.06 parts of hydrocarbon solvent, tristearin
0.03 part of sour calcium, 0.4 part of ethyl alcohol, 0.3 part of cuprous sulfate, 4 parts of active silica, 0.07 part of defoaming agent, 0.08 part of cellulose ether,
0.6 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt, 0.6 part of methyltrimethoxysilane and 0.07 part of nitrilotriacetic acid.
Preferably, in above-mentioned technical proposal, the defoaming agent is polypropylene glycerol aether, polyoxyethylene polyoxypropylene glycerol
One or more of ether, dimethyl silicone polymer.
Preferably, in above-mentioned technical proposal, the cellulose ether is hydroxyethylmethylcellulose, carboxymethyl cellulose, second
One or more of base cellulose, benzylcellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose.
Preferably, in above-mentioned technical proposal, when using the suppression alkaline agent, alkaline agent and the ordinary portland cement of pressing down
Mass ratio is 0.05-0.1:100.
Compared with prior art, the invention has the following beneficial effects: the suppression alkali that the present invention is used for ordinary portland cement
Agent significantly improves water in the case where can guarantee that cement mortar and concrete water cement-based material performance are not reduced or increased
The anti-accumulation of salt in the surface soil and durability of mud substrate.To make the quality of building and the aesthetic feeling of appearance and durability all have greatly improved,
The maintenance cost of building is reduced simultaneously.
Specific embodiment
Combined with specific embodiments below, specific embodiments of the present invention will be described in detail, it is to be understood that this hair
Bright protection scope is not limited by the specific implementation.
Embodiment 1
A kind of suppression alkaline agent for ordinary portland cement includes following component: hydrocarbon solvent according to parts by weight
D400.06 parts, 0.03 part of calcium stearate, 0.4 part of ethyl alcohol, 0.3 part of cuprous sulfate, 4 parts of active silica, polypropylene glycerol aether
0.07 part, 0.04 part of hydroxyethylmethylcellulose, 0.04 part of ethyl cellulose, 0.6 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt, methyl
0.6 part and 0.07 part of nitrilotriacetic acid of trimethoxy silane.
In use, the mass ratio of suppression alkaline agent and ordinary portland cement is 0.07:100.
Embodiment 2
A kind of suppression alkaline agent for ordinary portland cement includes following component: hydrocarbon solvent according to parts by weight
D400.1 parts, 0.05 part of calcium stearate, 0.1 part of ethyl alcohol, 0.5 part of cuprous sulfate, 5 parts of active silica, dimethyl silicone polymer
0.01 part, 0.1 part of ethyl cellulose, three second of 1 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt, 0.7 part of methyltrimethoxysilane and ammonia
0.04 part of acid.
In use, the mass ratio of suppression alkaline agent and ordinary portland cement is 0.05:100.
Embodiment 3
A kind of suppression alkaline agent for ordinary portland cement includes following component: hydrocarbon solvent according to parts by weight
D400.01 parts, 0.01 part of calcium stearate, 0.5 part of ethyl alcohol, 0.1 part of cuprous sulfate, 5 parts of active silica, polypropylene glycerol aether
0.1 part, 0.03 part of hydroxypropyl methyl cellulose, 0.04 part of carboxymethyl cellulose, 0.1 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt, first
0.1 part and 0.01 part of nitrilotriacetic acid of base trimethoxy silane.
In use, the mass ratio of suppression alkaline agent and ordinary portland cement is 0.1:100.
Embodiment 4
A kind of suppression alkaline agent for ordinary portland cement includes following component: hydrocarbon solvent according to parts by weight
D400.02 parts, 0.04 part of calcium stearate, 0.4 part of ethyl alcohol, 0.8 part of cuprous sulfate, 5 parts of active silica, polypropylene glycerol aether
0.05 part, 0.09 part of hydroxyethylmethylcellulose, 0.5 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt, 0.8 part of methyltrimethoxysilane
With 0.07 part of nitrilotriacetic acid.
In use, the mass ratio of suppression alkaline agent and ordinary portland cement is 0.07:100.
Embodiment 5
A kind of suppression alkaline agent for ordinary portland cement includes following component: hydrocarbon solvent according to parts by weight
D400.08 parts, 0.03 part of calcium stearate, 0.4 part of ethyl alcohol, 0.9 part of cuprous sulfate, 3 parts of active silica, polypropylene glycerol aether
0.05 part, 0.07 part of benzylcellulose, 0.9 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt, 0.7 part of methyltrimethoxysilane and ammonia three
0.08 part of acetic acid.
The mass ratio of the suppression alkaline agent and ordinary portland cement is 0.09:100.
Comparative example 1
A kind of suppression alkaline agent for ordinary portland cement includes following component: active silica 5 according to parts by weight
Part, 0.08 part of dimethyl silicone polymer, 0.08 part of ethyl cellulose, 0.5 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt, methyl trimethoxy oxygen
0.6 part and 0.07 part of nitrilotriacetic acid of base silane.
The mass ratio of the suppression alkaline agent and ordinary portland cement is 0.07:100.
Comparative example 2
A kind of suppression alkaline agent for ordinary portland cement includes following component: calcium stearate 0.03 according to parts by weight
Part, 0.5 part of ethyl alcohol, 1-5 parts of active silica, 0.08 part of dimethyl silicone polymer, 0.08 part of ethyl cellulose, naphthalenesulfonateformaldehyde formaldehyde
0.5 part of condensation product sodium salt, 0.6 part of methyltrimethoxysilane and 0.07 part of nitrilotriacetic acid.
The mass ratio of the suppression alkaline agent and ordinary portland cement is 0.07:100.
Comparative example 3
A kind of suppression alkaline agent for ordinary portland cement includes following component: hydrocarbon solvent according to parts by weight
D400.05 parts, 0.8 part of cuprous sulfate, 1-5 parts of active silica, 0.08 part of dimethyl silicone polymer, ethyl cellulose 0.08
Part, 0.5 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt, 0.6 part of methyltrimethoxysilane and 0.07 part of nitrilotriacetic acid.
The mass ratio of the suppression alkaline agent and ordinary portland cement is 0.08:100.
The performance test methods of above-described embodiment and the general mortar of the anti-wall of comparative example are referring to JC/T1024-2007 wall facing
Mortar standard, performance test are as shown in table 1.
Table 1: mortar performance detection
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (6)
1. a kind of suppression alkaline agent for ordinary portland cement, which is characterized in that the suppression alkaline agent includes at least hydrocarbon solvent
D40, calcium stearate, ethyl alcohol and cuprous sulfate；
According to parts by weight, the suppression alkaline agent includes at least following component: 0.01-0.1 parts of hydrocarbon solvent D40, calcium stearate
0.01-0.05 parts, 0.1-0.5 parts of ethyl alcohol and 0.1-1 parts of cuprous sulfate；
The suppression alkaline agent further include: active silica, defoaming agent, cellulose ether, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, methyl trimethoxy
Oxysilane and nitrilotriacetic acid.
2. the suppression alkaline agent according to claim 1 for ordinary portland cement, which is characterized in that according to parts by weight,
The suppression alkaline agent includes at least following component: 1-5 parts of active silica, 0.05-0.1 parts of defoaming agent, cellulose ether 0.05-0.1
Part, 0.1-1 parts of naphthalene sulfonic acid-formaldehyde condensation product sodium salt, 0.1-1 parts of methyltrimethoxysilane and 0.01~0.1 part of nitrilotriacetic acid.
3. the suppression alkaline agent according to claim 1 for ordinary portland cement, which is characterized in that agent packet in parts by weight
Include following component: 0.06 part of hydrocarbon solvent D40,0.03 part of calcium stearate, 0.4 part of ethyl alcohol, 0.3 part of cuprous sulfate, active oxidation
4 parts of silicon, 0.07 part of defoaming agent, 0.08 part of cellulose ether, 0.6 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt, methyltrimethoxysilane
0.6 part and 0.07 part of nitrilotriacetic acid.
4. the suppression alkaline agent according to claim 1 for ordinary portland cement, which is characterized in that the defoaming agent is poly-
One or more of oxypropylene glycerin ether, polyoxyethylene polyoxypropylene glycerin ether, dimethyl silicone polymer.
5. the suppression alkaline agent according to claim 1 for ordinary portland cement, which is characterized in that the cellulose ether is
Hydroxyethylmethylcellulose, carboxymethyl cellulose, ethyl cellulose, benzylcellulose, hydroxyethyl cellulose, hydroxypropyl methyl are fine
Tie up one or more of element.
6. the suppression alkaline agent according to claim 1 for ordinary portland cement, which is characterized in that using the suppression alkali
When agent, the mass ratio of the suppression alkaline agent and ordinary portland cement is 0.05-0.1:100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511025108.7A CN105417989B (en) | 2015-12-30 | 2015-12-30 | A kind of suppression alkaline agent for ordinary portland cement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511025108.7A CN105417989B (en) | 2015-12-30 | 2015-12-30 | A kind of suppression alkaline agent for ordinary portland cement |
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| Publication Number | Publication Date |
|---|---|
| CN105417989A CN105417989A (en) | 2016-03-23 |
| CN105417989B true CN105417989B (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511025108.7A Active CN105417989B (en) | 2015-12-30 | 2015-12-30 | A kind of suppression alkaline agent for ordinary portland cement |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115340390B (en) * | 2022-07-14 | 2023-10-10 | 洛阳理工学院 | Preparation method of red mud-based baking-free high-strength clay brick alkali inhibitor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432252B (en) * | 2011-09-07 | 2016-01-20 | 武汉奥捷高新技术有限公司 | Anti-accumulation of salt in the surface soil type joint filling mortar |
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- 2015-12-30 CN CN201511025108.7A patent/CN105417989B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432252B (en) * | 2011-09-07 | 2016-01-20 | 武汉奥捷高新技术有限公司 | Anti-accumulation of salt in the surface soil type joint filling mortar |
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| CN105417989A (en) | 2016-03-23 |
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