CN108046672A - A kind of aqueous cover protective agent of pervious concrete - Google Patents
A kind of aqueous cover protective agent of pervious concrete Download PDFInfo
- Publication number
- CN108046672A CN108046672A CN201810012022.8A CN201810012022A CN108046672A CN 108046672 A CN108046672 A CN 108046672A CN 201810012022 A CN201810012022 A CN 201810012022A CN 108046672 A CN108046672 A CN 108046672A
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- CN
- China
- Prior art keywords
- parts
- pervious concrete
- agent
- aqueous
- additive
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- 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.)
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/005—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing gelatineous or gel forming binders, e.g. gelatineous Al(OH)3, sol-gel binders
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
- C04B2111/00155—Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of aqueous cover protective agents of pervious concrete, it is made of following content of component：800 1100 parts of cementitious material, functional 0.2 3 parts of additive, 0.01 0.1 parts of material combination power additive, 0.1 1.5 parts of thickener, 50 150 parts of deionized water.The aqueous cover protection materials of pervious concrete of the present invention are organically to combine inorganic active material and organic bonding material by double charge protection and coupling protocols; organic resin is modified by inorganic material; and double charge protection is carried out to inorganic material surface by functional additive; stability of the inorganic material in organic system is added, so as to improve the intensity of system and crocking resistance.
Description
Technical field
The present invention relates to the pervious concrete cover protective agent technical field of engineering material technology, which is mainly used for
Water coagulation soil surface finishing is protected, and can also be used as other building structure surface protecting materials.
Background technology
Cement concrete is a kind of porous material, in addition to macroscopic macropore, also there are substantial amounts of capillary micropore,
These micropores easily absorb water through capillary action, and the harmful chemicals such as chlorion and sulfate also can enter cement with dampening to be mixed
Solidifying soil is internal, causes the various erosions and destruction of concrete and reinforcing bar, reduces concrete service life.
At present, the attention that does not also obtain relevant departments is protected concrete, only for the extra large work in corrosive environment
Concrete is clearly proposed and concrete protected using concrete as related specifications such as the clear-water concretes of final decorative cover
Requirement.The concrete outer surface of many urban interchanges is brushed, and largely uses common exterior coating, this
Coating not only it is easy to appear peeling and obscission, can also interfere the gas permeability of concrete, make the moisture of inside concrete not
Easily effusion, can aggravate the generation of concrete diseases, influence the service life of concrete structure instead.Currently, pervious concrete cover
Face protection materials are broadly divided into oily material.The protectant advantage of oiliness pervious concrete cover is：It is bright in luster, bulk strength
It is high.Chinese invention patent CN102675999A discloses a kind of aqueous fluorocarbon coating for silicate concrete curb, former
Material formula includes the component of following mass percents：Water-base fluorocarbon emulsion 48.0%~78.1%；Pigment 13.5~30.1%；Profit
Hygroscopic water powder 0.2~2.3%；Neutralizer 0~0.52%；Organic silicon defoamer 0.1~0.5%；Preservative 0~0.5%；Thickening
Agent 0.1~3.2%；Coalescents 1.0~5.1%；Antifreezing agent 1.0~4.2%；Aqueous interfacial agents 1.1~5.7% and water
0.5~10.2%；The pH of the coating is 8.0~9.5.The coating imparts silicate concrete curb decoration and protection
Function, weatherability, temperature-change resistance, but its composition is excessively complicated, dispensing difficulty is big, and preparation method is also excessively cumbersome, of high cost；
Be unfavorable for carry out mass production and scene modulate, complicated construction technique, at the same its coating penetration depth deficiency, protection effect compared with
Difference；And this aqueous fluorocarbon coating weatherability, durability effect unobvious, coating penetration depth deficiency.And the combination on basis
Force difference, protection effect is poor, also has certain environmental pollution.
The content of the invention
The technical problem to be solved by the present invention is to：It is proposed a kind of intensity of raising system and crocking resistance, raising system
With the aqueous cover protective agent of pervious concrete of the weatherability and durability of the adhesive property and raising system of base concrete.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of aqueous cover protective agent of pervious concrete, it is made of following content of component：
800-1100 parts of cementitious material, functional 0.2-3 parts of additive, 0.01-0.1 parts of material combination power additive, increasing
Thick dose 0.1-1.5 parts, 50-150 parts of deionized water.
The mass parts composition of the currently preferred cementitious material is as follows：350-450 parts of waterborne PUA, Ludox 400-
600 parts, active 50-150 parts of metakaolin.
Currently preferred functionality additive is 0.1-1.0 parts of wetting agent, 0.1-1.0 parts of dispersant, antifoaming agent 0-1
Part.
More preferably, the aqueous cover protective agent of pervious concrete, it is characterised in that：Include the component of following parts by weight：
350~450 parts of waterborne PUA；400~600 parts of Ludox；
0.1~1.0 part of dispersant；0.1-1.0 parts of wetting agent；
0.05~1.0 part of antifoaming agent；0.1-1.5 parts of thickener；
50-150 parts of deionized water.
More preferably, the aqueous cover protective agent of pervious concrete, it is characterised in that：Include the component of following parts by weight：
350~450 parts of waterborne PUA；400~600 parts of Ludox；
0.1~1.0 part of dispersant；0.1-1.0 parts of wetting agent；
0.05~1.0 part of antifoaming agent；50-150 parts of deionized water；
Active metakaolin 50-100 parts；0.1-1.5 parts of thickener.
More preferably, a kind of impact-resisting wear-resisting mortar, it is characterised in that：Include the component of following parts by weight：
350~450 parts of waterborne PUA；400~600 parts of Ludox；
0.1~1.0 part of dispersant；0.1-1.0 parts of wetting agent；
0.05~1.0 part of antifoaming agent；50-150 parts of deionized water.
Active metakaolin 50-100 parts, 0.01-0.1 parts of coupling agent；
0.1-1.5 parts of thickener.
Currently preferred waterborne PUA is fit for polyurethane and acrylate bond, solid content 30%-50%, pH value
For 7-8.
Currently preferred Ludox is alkaline silica sol, and solid content 30%-40%, silica grain size is 5nm-
10nm。
Presently preferred dispersing agent of the present invention is powdery polycarboxylic acid water-reducing agent, Amino-sulfonic Acid-based Water-reducer, naphthalene series high-efficiency
One kind or arbitrary several compound in water-reducing agent.
Currently preferred antifoaming agent is in powdery polyethers antifoaming agent, silicon class antifoaming agent and polyether-modified silicon class antifoaming agent
Any one.
Currently preferred wetting agent includes polyoxyethylated alkyl phenol, polyoxyethylene fat for nonionic surface active agent
Fat alcohol ether, the embedding block copolymer of polyoxyethylene polyoxypropylene etc..
Currently preferred coupling agent is silane coupling agent, including KH-560, KH-602 etc..
Currently preferred thickener is hydroxyethyl cellulose.
The advantageous effect of technical solution using the present invention is：
1st, the aqueous cover protection materials of pervious concrete of the invention are to lead to inorganic active material and organic bonding material
It crosses double charge protection and coupling protocols organically combines, organic resin is modified by inorganic material and passes through function
Property additive to inorganic material surface carry out double charge protection, add stability of the inorganic material in organic system, so as to
The intensity and crocking resistance of raising system.
2nd, after the aqueous cover protective agent of pervious concrete of the invention sprays to concrete surface, since concrete is to use
Portland cement manufactures, and there are substantial amounts of hydrated product Ca (OH) 2, Ludox and active metakaolin will carry out therewith on surface
Chemical reaction produces aqueous silicic acid calcium and drated calcium aluminate thin layer, and sprayed coating is made to form the chemistry of high intensity with substrate concrete
With reference to；Meanwhile the crack resistance of hydrated product thin layer is poor, is easily cracked, the good extension possessed using waterborne PUA firming body
Property, use the crack resistance of waterborne PUA raising hydrated product thin layer.
3rd, coupling agent, thickener are mixed and be used in conjunction in the present invention, not only ensured the cohesiveness of slurry, but also can control inorganic
The combination power of material and organic material, modified compound can penetrate into inside concrete, prevent from being layered and improve system and basis
The adhesive property of concrete and the weatherability and durability for improving system；Self-leveling under the effect of gravity simultaneously, construction
Simply, construction cost has been saved.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but the implementation of the present invention is not limited to this.
A kind of aqueous cover protective agent of pervious concrete, it is made of following content of component：
800-1100 parts of cementitious material, functional 0.2-3 parts of additive, 0.01-0.1 parts of material combination power additive, increasing
Thick dose 0.1-1.5 parts, 50-150 parts of deionized water.
The mass parts composition of the currently preferred cementitious material is as follows：350-450 parts of waterborne PUA, Ludox 400-
600 parts, active 50-150 parts of metakaolin.
Currently preferred functionality additive is 0.1-1.0 parts of wetting agent, 0.1-1.0 parts of dispersant, antifoaming agent 0-1
Part.
Currently preferred material combination power additive is coupling agent.
Currently preferred thickener is cellulose ether.
The raw material composition and data of embodiment 1-6 is shown in Table 1.
Table 1
The mass parts composition of cementitious material is shown in Table 2 in embodiment 1-5.
Table 2
The mass parts composition of functional additive is shown in Table 3 in embodiment 1-5.
Table 3
After concrete surface uses the aqueous cover protective agent of above-mentioned pervious concrete, ground performance is surveyed in construction and after drying
Test result is as follows：
As can be seen from the above embodiments, by inorganic material organic resin is modified and by functionality outside
Agent is added to carry out double charge protection to inorganic material surface, stability of the inorganic material in organic system is added, so as to improve
The intensity and crocking resistance of system.
Claims (6)
1. a kind of aqueous cover protective agent of pervious concrete, which is characterized in that it is made of following content of component：
800-1100 parts of cementitious material, functional 0.2-3 parts of additive, 0.01-0.1 parts of material combination power additive, thickener
0.1-1.5 parts, 50-150 parts of deionized water.
2. the aqueous cover protective agent of pervious concrete according to claim 1, which is characterized in that the quality of the cementitious material
Part composition is as follows：350-450 parts of waterborne PUA, 400-600 parts of Ludox, active 50-150 parts of metakaolin.
3. the aqueous cover protective agent of pervious concrete according to claim 2, which is characterized in that it is described functionality additive be
0.1-1.0 parts of wetting agent, 0.1-1.0 parts of dispersant, 0-1 parts of antifoaming agent.
4. the aqueous cover protective agent of pervious concrete according to claim 1, which is characterized in that the material combination power is additional
Agent is coupling agent.
5. the aqueous cover protective agent of pervious concrete according to claim 1, which is characterized in that the thickener is ethoxy
Cellulose.
6. the aqueous cover protective agent of pervious concrete according to claim 3, which is characterized in that the pervious concrete is aqueous
The protectant mass parts composition of cover is as follows：
400 parts of waterborne PUA, active 100 parts of metakaolin, 400 parts of Ludox, 100 parts of deionized water, wetting agent 0.6 part, point
0.5 part of powder, 0.06 part of material combination power additive, 0.8 part of thickener, 0.5 part of antifoaming agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012022.8A CN108046672A (en) | 2018-01-05 | 2018-01-05 | A kind of aqueous cover protective agent of pervious concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012022.8A CN108046672A (en) | 2018-01-05 | 2018-01-05 | A kind of aqueous cover protective agent of pervious concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108046672A true CN108046672A (en) | 2018-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810012022.8A Pending CN108046672A (en) | 2018-01-05 | 2018-01-05 | A kind of aqueous cover protective agent of pervious concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538818A (en) * | 2022-03-28 | 2022-05-27 | 厦门防水博士新材料有限公司 | Preparation method of concrete reinforcing agent and product |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670096A (en) * | 2005-03-16 | 2005-09-21 | 上海市建筑科学研究院有限公司 | Monocomponent high elastic aqueous polyurethane/acrylate waterproof paint and process for preparing same |
| CN102399483A (en) * | 2011-12-22 | 2012-04-04 | 华南理工大学 | Organic/inorganic composite heat-insulating heat-preserving water-based building coating and preparation method thereof |
| CN104193289A (en) * | 2014-08-27 | 2014-12-10 | 辽宁一一三（集团）化工有限责任公司 | Hydrophobic protective paint and preparation method thereof |
| CN104829207A (en) * | 2015-04-07 | 2015-08-12 | 安徽朗凯奇防水科技股份有限公司 | Polymer cement waterproof coating |
-
2018
- 2018-01-05 CN CN201810012022.8A patent/CN108046672A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670096A (en) * | 2005-03-16 | 2005-09-21 | 上海市建筑科学研究院有限公司 | Monocomponent high elastic aqueous polyurethane/acrylate waterproof paint and process for preparing same |
| CN102399483A (en) * | 2011-12-22 | 2012-04-04 | 华南理工大学 | Organic/inorganic composite heat-insulating heat-preserving water-based building coating and preparation method thereof |
| CN104193289A (en) * | 2014-08-27 | 2014-12-10 | 辽宁一一三（集团）化工有限责任公司 | Hydrophobic protective paint and preparation method thereof |
| CN104829207A (en) * | 2015-04-07 | 2015-08-12 | 安徽朗凯奇防水科技股份有限公司 | Polymer cement waterproof coating |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538818A (en) * | 2022-03-28 | 2022-05-27 | 厦门防水博士新材料有限公司 | Preparation method of concrete reinforcing agent and product |
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| PB01 | Publication | ||
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Application publication date: 20180518 |