CN105503030B - A kind of suppression alkaline agent for Portland cement - Google Patents
A kind of suppression alkaline agent for Portland cement Download PDFInfo
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- CN105503030B CN105503030B CN201511025021.XA CN201511025021A CN105503030B CN 105503030 B CN105503030 B CN 105503030B CN 201511025021 A CN201511025021 A CN 201511025021A CN 105503030 B CN105503030 B CN 105503030B
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- Prior art keywords
- alkaline agent
- portland cement
- suppression
- suppression alkaline
- parts
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Classifications
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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
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/603—Agents for controlling alkali-aggregate reactions
Abstract
The invention discloses a kind of suppression alkaline agent for Portland cement, the suppression alkaline agent comprises at least：Cellulose ether, alum, rosin and n-octytriethoxysilane.The present invention is used for the suppression alkaline agent of Portland cement, in the case where can guarantee that cement mortar and concrete water cement-based material performance is not reduced or increased, significantly improves the anti-accumulation of salt in the surface soil and durability of cement matrix.So that the quality of building and the aesthetic feeling of outward appearance and durability all have greatly improved, while reduce the maintenance cost of building.
Description
Technical field
The present invention relates to building material field, more particularly to a kind of suppression alkaline agent for Portland cement.
Background technology
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 air are anti-
Should, generation tosca is on concrete product surface.Or：In hydrated product aqua calcis, 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 ooze out " frosting salt " and frosting.The easy accumulation of salt in the surface soil of Portland cement product surface, the outward appearance of cement products is influenceed,
If any banding white dot, mainly due to Ca2+, Mg2+ in cement with water translocation to cement products surface.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.
The content of the invention
It is an object of the invention to provide a kind of suppression alkaline agent for Portland cement, so as to overcome light water clay
The easy accumulation of salt in the surface soil in product surface, the shortcomings that influenceing cement products outward appearance.
To achieve the above object, the invention provides a kind of suppression alkaline agent for Portland cement, the suppression alkaline agent
Comprise at least：Cellulose ether, alum, rosin and n-octytriethoxysilane.
Preferably, in above-mentioned technical proposal, count in parts by weight, the suppression alkaline agent comprises at least following component：Cellulose
Ether 0.05-0.1 parts, 0.01~0.05 part of alum, 0.01~0.1 part of rosin, n-octytriethoxysilane 0.01~
0.05 part.
Preferably, in above-mentioned technical proposal, the suppression alkaline agent also includes：Active silica, defoamer, naphthalenesulfonateformaldehyde formaldehyde contracting
Compound sodium salt and ethylenediamine tetra-acetic acid.
Preferably, in above-mentioned technical proposal, count in parts by weight, the suppression alkaline agent comprises at least following component：Active oxygen
SiClx 1-5 parts, 0.01~0.1 part of defoamer, 0.1~1 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt and ethylenediamine tetra-acetic acid 0.05~
0.1 part.
Preferably, in above-mentioned technical proposal, agent in parts by weight includes following component：0.07 part of cellulose ether, aluminum sulfate
0.04 part of potassium, 0.06 part of rosin, 0.03 part of n-octytriethoxysilane, 4 parts of active silica, 0.03 part of defoamer, naphthalene sulphur
0.08 part of 0.7 part of sour formaldehyde condensation products sodium salt and ethylenediamine tetra-acetic acid.
Preferably, in above-mentioned technical proposal, the defoamer is polypropylene glycerol aether, polyoxyethylene polyoxypropylene glycerine
One or more in ether, dimethyl silicone polymer.
Preferably, in above-mentioned technical proposal, the cellulose ether is hydroxyethylmethylcellulose, carboxymethyl cellulose, second
One or more in base cellulose, benzylcellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose.
Preferably, in above-mentioned technical proposal, when using the suppression alkaline agent, the suppression alkaline agent and Portland cement
Mass ratio is 0.05-0.1:100.
Compared with prior art, the present invention has the advantages that：The present invention is used for the suppression alkali of Portland cement
Agent, in the case where can guarantee that cement mortar and concrete water cement-based material performance is not reduced or increased, significantly improve water
The anti-accumulation of salt in the surface soil and durability of mud base material.So that the quality of building and the aesthetic feeling of outward appearance and durability all have greatly improved,
The maintenance cost of building is reduced simultaneously.
Embodiment
With reference to specific embodiment, the embodiment of the present invention is described in detail, it is to be understood that this hair
Bright protection domain is not limited by embodiment.
Embodiment 1
A kind of suppression alkaline agent for Portland cement, in parts by weight meter include following component：Hydroxyethyl methyl is fine
0.04 part of dimension element, 0.03 part of ethyl cellulose, 0.04 part of alum, 0.06 part of rosin, n-octytriethoxysilane 0.03
Part, 4 parts of active silica, 0.03 part of polypropylene glycerol aether, 0.7 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt and ethylenediamine tetra-acetic acid
0.08 part.
In use, the mass ratio of suppression alkaline agent and Portland cement is 0.07:100.
Embodiment 2
A kind of suppression alkaline agent for Portland cement, in parts by weight meter include following component：Ethyl cellulose 0.1
Part, 0.01~0.05 part of alum, 0.1 part of rosin, 0.05 part of n-octytriethoxysilane, 5 parts of active silica, poly- two
0.05 part of 0.01 part of methylsiloxane, 1 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt and ethylenediamine tetra-acetic acid.
In use, the mass ratio of suppression alkaline agent and Portland cement is 0.05:100.
Embodiment 3
A kind of suppression alkaline agent for Portland cement, in parts by weight meter include following component：Hydroxypropyl methyl is fine
0.03 part of dimension element, 0.04 part of carboxymethyl cellulose, 0.05 part of alum, 0.01 part of rosin, n-octytriethoxysilane
0.03 part, 5 parts of active silica, 0.1 part of polypropylene glycerol aether, 0.1 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt and ethylenediamine tetraacetic
0.1 part of acetic acid.
In use, the mass ratio of suppression alkaline agent and Portland cement is 0.1:100.
Embodiment 4
A kind of suppression alkaline agent for Portland cement, in parts by weight meter include following component：Hydroxyethyl methyl is fine
It is 0.09 part of dimension element, 0.01 part of alum, 0.1 part of rosin, 0.03 part of n-octytriethoxysilane, 5 parts of active silica, poly-
0.07 part of 0.05 part of oxypropylene glycerin ether, 0.5 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt and ethylenediamine tetra-acetic acid.
In use, the mass ratio of suppression alkaline agent and Portland cement is 0.07:100.
Embodiment 5
A kind of suppression alkaline agent for Portland cement, in parts by weight meter include following component：Benzylcellulose
0.07 part, 0.04 part of alum, 0.06 part of rosin, 0.04 part of n-octytriethoxysilane, 3 parts of active silica, polyoxy
0.1 part of 0.05 part of propylene glycerin ether, 0.9 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt and ethylenediamine tetra-acetic acid.
The mass ratio of the suppression alkaline agent and Portland cement is 0.09:100.
Comparative example 1
A kind of suppression alkaline agent for Portland cement, in parts by weight meter include following component：Active silica 5
Part, 0.1 part of polypropylene glycerol aether, 0.7 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt and 0.08 part of ethylenediamine tetra-acetic acid.
The mass ratio of the suppression alkaline agent and Portland cement is 0.07:100.
Comparative example 2
A kind of suppression alkaline agent for Portland cement, in parts by weight meter include following component：Hydroxyethyl methyl is fine
0.08 part of dimension element, 0.04 part of alum, 4 parts of active silica, 0.08 part of polypropylene glycerol aether, naphthalene sulfonic acid-formaldehyde condensation product
0.07 part of 0.8 part of sodium salt and ethylenediamine tetra-acetic acid.
The mass ratio of the suppression alkaline agent and Portland cement is 0.07:100.
Comparative example 3
This comparative example is blank test, as Portland cement, is not added with pressing down alkaline agent.
The performance test methods of above-described embodiment and the general mortar of the anti-wall of comparative example are with reference to JC/T1024-2007 wall facings
Mortar standard, performance test are as shown in table 1.
Table 1：Mortar performance detects
The description of the foregoing specific illustrative embodiment to the present invention is to illustrate and the purpose of illustration.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (5)
1. a kind of suppression alkaline agent for Portland cement, it is characterised in that the suppression alkaline agent comprises at least：Cellulose ether,
Alum, rosin and n-octytriethoxysilane；
Count in parts by weight, the suppression alkaline agent comprises at least following component：Cellulose ether 0.05-0.1 parts, alum 0.01~
0.05 part, 0.01~0.1 part of rosin, 0.01~0.05 part of n-octytriethoxysilane；
The suppression alkaline agent also includes：Active silica, defoamer, naphthalene sulfonic acid-formaldehyde condensation product sodium salt and ethylenediamine tetra-acetic acid；
Count in parts by weight, the suppression alkaline agent comprises at least following component：Active silica 1-5 parts, defoamer 0.01~0.1
0.05~0.1 part of part, 0.1~1 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt and ethylenediamine tetra-acetic acid.
2. the suppression alkaline agent according to claim 1 for Portland cement, it is characterised in that agent bag in parts by weight
Include following component：0.07 part of cellulose ether, 0.04 part of alum, 0.06 part of rosin, 0.03 part of n-octytriethoxysilane,
0.08 part of 4 parts of active silica, 0.03 part of defoamer, 0.7 part of naphthalene sulfonic acid-formaldehyde condensation product sodium salt and ethylenediamine tetra-acetic acid.
3. the suppression alkaline agent according to claim 1 for Portland cement, it is characterised in that the defoamer is poly-
One or more in oxypropylene glycerin ether, polyoxyethylene polyoxypropylene glycerin ether, dimethyl silicone polymer.
4. the suppression alkaline agent according to claim 1 for Portland cement, it is characterised in that the cellulose ether is
Hydroxyethylmethylcellulose, carboxymethyl cellulose, ethyl cellulose, benzylcellulose, hydroxyethyl cellulose, hydroxypropyl methyl are fine
One or more in dimension element.
5. the suppression alkaline agent according to claim 1 for Portland cement, it is characterised in that using the suppression alkali
During agent, the mass ratio of the suppression alkaline agent and Portland cement is 0.05-0.1:100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511025021.XA CN105503030B (en) | 2015-12-30 | 2015-12-30 | A kind of suppression alkaline agent for Portland cement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511025021.XA CN105503030B (en) | 2015-12-30 | 2015-12-30 | A kind of suppression alkaline agent for Portland cement |
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| Publication Number | Publication Date |
|---|---|
| CN105503030A CN105503030A (en) | 2016-04-20 |
| CN105503030B true CN105503030B (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511025021.XA Active CN105503030B (en) | 2015-12-30 | 2015-12-30 | A kind of suppression alkaline agent for Portland cement |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867808A (en) * | 2016-09-26 | 2018-04-03 | 郭太宗 | Cement-based material presses down alkali reinforcing agent |
| CN109516709A (en) * | 2017-09-19 | 2019-03-26 | 郭太宗 | Pervious concrete presses down alkali additive |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913794A (en) * | 2010-08-13 | 2010-12-15 | 江苏尼高科技有限公司 | Cement mortar saltpetering inhibition additive |
| CN104628298A (en) * | 2013-11-06 | 2015-05-20 | 郭太宗 | Cement alkali resistance additive |
| CN105176271A (en) * | 2015-10-23 | 2015-12-23 | 山西亮龙涂料有限公司 | Architectural transparent colored alkali-resistant primer |
-
2015
- 2015-12-30 CN CN201511025021.XA patent/CN105503030B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913794A (en) * | 2010-08-13 | 2010-12-15 | 江苏尼高科技有限公司 | Cement mortar saltpetering inhibition additive |
| CN104628298A (en) * | 2013-11-06 | 2015-05-20 | 郭太宗 | Cement alkali resistance additive |
| CN105176271A (en) * | 2015-10-23 | 2015-12-23 | 山西亮龙涂料有限公司 | Architectural transparent colored alkali-resistant primer |
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| Publication number | Publication date |
|---|---|
| CN105503030A (en) | 2016-04-20 |
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