CN106186995A - How calcareous anti-carbonated concrete of one and preparation method thereof - Google Patents
How calcareous anti-carbonated concrete of one and preparation method thereof Download PDFInfo
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- CN106186995A CN106186995A CN201610499738.6A CN201610499738A CN106186995A CN 106186995 A CN106186995 A CN 106186995A CN 201610499738 A CN201610499738 A CN 201610499738A CN 106186995 A CN106186995 A CN 106186995A
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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
- 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
- C04B28/14—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 calcium sulfate cements
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (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 how calcareous anti-carbonated concrete of one and preparation method thereof, it is prepared from by weight by following components: portland cement 500 640 parts, gypsum powder 25 37 parts, acrylate copolymer emulsion mixed liquor 50 80 parts, 600 800 parts of sand, 250 300 parts of water, ethyoxyl Tissuemat E 20 25 parts, N methyl pyrrolidone 20 30 parts, modified rubber powder 50 70 parts.The present invention improves intensity and the resistance of formation of concrete, thus prevent the intrusion of carbon dioxide, reduce carbonization effect, simultaneously because the addition of acrylate copolymer emulsion mixed liquor can be effectively improved inside concrete pore structure, form a large amount of blind hole, thus stop pore to form the most through network structure system, and formed together " anti-carbonation band ", the intrusion to suppression carbon dioxide serves further reinforced effects.
Description
Technical field
The present invention relates to a kind of concrete, be specifically related to how calcareous anti-carbonated concrete of one and preparation method thereof.
Background technology
Xoncrete structure is one of structure of being most widely used, and there are the building construction of about 70% and the bridge of 50% in China
Structure have employed xoncrete structure.Along with these engineering structures use the growth of time, concrete material and the durability of structure
Destroying and increasingly come into one's own, many engineering structures are often due to the reason of durability causes use functional deterioration, even structure
Destroy, bring unnecessary loss to society.
Concrete carbonization is one of important durability index of concrete, owing to the carbon dioxide in air or water are by mixed
The crack of solidifying soil generates calcium carbonate with the calcium hydroxide reaction in Behavior of Hardened Cement Paste, so that the basicity of concrete reduces so that coagulation
Soil presents the process of neutralization and is i.e. referred to as concrete carbonization.Carbonisation is the mistake from outward appearance to inner essence gradually spread to inside concrete
Journey, and the reinforcing bar in xoncrete structure can be made to lose the protection of passivating film, easily make reinforcing bar get rusty, and then it is broken to make structure occur
Bad；Also can cause concrete shrinkage (Carbonization contract), the surface of concrete easily can be made to produce trickle crack.Along with industrialization
The continuous propelling of process, the discharge capacity of carbon dioxide increases, while producing greenhouse effect, the durability to xoncrete structure
Also adverse effect is created.
Summary of the invention
The technical problem that present invention mainly solves is to provide how calcareous anti-carbonated concrete of one and preparation method thereof.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is:
The how calcareous anti-carbonated concrete of one, it is prepared from by weight by following components:
Portland cement 500-640 part
Gypsum powder 25-37 part
Acrylate copolymer emulsion mixed liquor 50-80 part
Sand 600-800 part
Water 250-300 part
Ethyoxyl Tissuemat E 20-25 part
N-Methyl pyrrolidone 20-30 part
Modified rubber powder 50-70 part.
Scheme further, described acrylate copolymer emulsion mixed liquor is to be prepared from by weight by following components:
Epoxy resin 100 parts
Acrylic monomers 10-30 part
Emulsifying agent 3-15 part
Initiator 0.5-5 part
Deionized water 100-250 part.
Further scheme, described acrylic monomers be acrylic acid, methacrylic acid, epoxy acrylic, acrylic acid ethyl, third
Olefin(e) acid butyl ester, Isobutyl 2-propenoate and Hexyl 2-propenoate or methyl methacrylate；Described initiator is potassium peroxydisulfate or over cure
Acid ammonium.
Scheme further, described modified rubber powder is through silane coupler modified process gained by rubber powder.
Scheme further, described ethyoxyl Tissuemat E is by by Tissuemat E, dibenzoyl peroxide, maleic anhydride
Insulated and stirred 2-3 hour at 130-140 DEG C, obtains modified polyethylene wax；Add poly glycol monomethyl ether in 60-100 rev/min
Stir 3-5 minute, sucking filtration, dry gained.
Another scheme of the present invention is to provide the preparation method of above-mentioned a kind of how calcareous anti-carbonated concrete, preparation process
As follows:
(1) modified rubber powder is added in the mixed liquor of N-Methyl pyrrolidone and stir into modified rubber liquid；
(2) ethyoxyl Tissuemat E is distributed to 10-12 times of deionized water mix with modified rubber liquid, is subsequently adding
After the mixing of acrylate copolymer emulsion mixed liquor, addition mulser carries out emulsifying and obtain emulsion；
(3) portland cement, gypsum powder, sand are added to the water it are stirred, add under agitation through step (2)
The emulsion of preparation, prepares concrete.
In the present invention, ethyoxyl Tissuemat E has good surface polarity, after rubber liquid blending and modifying, can improve
Waste and old rubber particle surface nonpolar, strengthens the compatibility with cement matrix, reduces the tension force on surface, makes rubber and cement mortar
Faying face is more closely knit, improves intensity and the resistance of formation of concrete, thus prevents the intrusion of carbon dioxide, reduces carbonization
Effect, simultaneously because the addition of acrylate copolymer emulsion mixed liquor can be effectively improved inside concrete pore structure, is formed big
Amount blind hole, thus stop pore to form the most through network structure system, formed together " anti-carbonation band ", to suppression two
The intrusion of carbonoxide serves further reinforced effects, and in additionally can reducing xoncrete structure, harmful hole and defect contain
Amount, reduces the alkalescence of hydrated product, promotes low-intensity hydrated product to change to high intensity hydrated product.
The present invention adds gypsum powder and can improve the calcium in concrete.
So the concrete of the present invention has good pressure-proof and snap-resistent intensity, water reducing ability is carbonization with anti-.
Detailed description of the invention
Below presently preferred embodiments of the present invention is described in detail so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that thus protection scope of the present invention is made apparent clear and definite defining.
In embodiments below, ethyoxyl Tissuemat E is by by Tissuemat E, dibenzoyl peroxide, maleic anhydride
Insulated and stirred 2-3 hour at 130-140 DEG C, obtains modified polyethylene wax；Add poly glycol monomethyl ether in 60-100 rev/min
Stir 3-5 minute, sucking filtration, dry gained.
Embodiment 1:
(1) modified rubber powder 50 parts is added in the mixed liquor of N-Methyl pyrrolidone 20 parts and stir into modified rubber liquid；
(2) epoxy resin 100 parts, 10 parts of acrylic acid, emulsifying agent 3 parts, initiator potassium persulfate 0.5 part are added 100 parts
Deionized water is stirred, emulsifying, prepare acrylate copolymer emulsion mixed liquor；
(3) ethyoxyl Tissuemat E 20 parts is distributed to 10 times of deionized waters mix with modified rubber liquid, then adds
After entering acrylate copolymer emulsion mixed liquor 50 parts mixing, addition mulser carries out emulsifying and obtain emulsion；
(4) will portland cement 500 parts, gypsum powder 25 parts, 600 parts of sand, 250 parts of water of addition be stirred, in stirring
In the case of add the emulsion prepared through step (3), prepare concrete.
Embodiment 2:
(1) modified rubber powder 70 parts is added in the mixed liquor of N-Methyl pyrrolidone 30 parts and stir into modified rubber liquid；
(2) epoxy resin 100 parts, butyl acrylate 30 parts, emulsifying agent 15 parts, initiator ammonium persulfate 5 parts are added 250
Part deionized water is stirred, emulsifying, prepare acrylate copolymer emulsion mixed liquor；
(3) ethyoxyl Tissuemat E 25 parts is distributed to 12 times of deionized waters mix with modified rubber liquid, then adds
After entering acrylate copolymer emulsion mixed liquor 80 parts mixing, addition mulser carries out emulsifying and obtain emulsion；
(4) will portland cement 640 parts, gypsum powder 37 parts, 800 parts of sand, 300 parts of water of addition be stirred, in stirring
In the case of add the emulsion prepared through step (3), prepare concrete.
Embodiment 3:
(1) modified rubber powder 60 parts is added in the mixed liquor of N-Methyl pyrrolidone 25 parts and stir into modified rubber liquid；
(2) epoxy resin 100 parts, methyl methacrylate 20 parts, emulsifying agent 10 parts, initiator potassium persulfate 2 parts are added
Enter in 200 parts of deionized waters to be stirred, emulsifying, prepare acrylate copolymer emulsion mixed liquor.
(3) ethyoxyl Tissuemat E 22 parts is distributed to 11 times of deionized waters mix with modified rubber liquid, then adds
After entering acrylate copolymer emulsion mixed liquor 70 parts mixing, addition mulser carries out emulsifying and obtain emulsion；
(4) will portland cement 600 parts, gypsum powder 30 parts, 700 parts of sand, 280 parts of water of addition be stirred, in stirring
In the case of add the emulsion prepared through step (3), prepare concrete.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technical fields, all
In like manner it is included in the scope of patent protection of the present invention.
Claims (6)
1. calcareous anti-carbonated concrete more than a kind, it is characterised in that: it is prepared from by weight by following components:
Portland cement 500-640 part
Gypsum powder 25-37 part
Acrylate copolymer emulsion mixed liquor 50-80 part
Sand 600-800 part
Water 250-300 part
Ethyoxyl Tissuemat E 20-25 part
N-Methyl pyrrolidone 20-30 part
Modified rubber powder 50-70 part.
The how calcareous anti-carbonated concrete of one the most according to claim 1, it is characterised in that: described acrylic ester copolymer breast
Liquid mixed liquor is to be prepared from by weight by following components:
Epoxy resin 100 parts
Acrylic monomers 10-30 part
Emulsifying agent 3-15 part
Initiator 0.5-5 part
Deionized water 100-250 part.
The how calcareous anti-carbonated concrete of one the most according to claim 2, it is characterised in that: described acrylic monomers is third
Olefin(e) acid, methacrylic acid, epoxy acrylic, acrylic acid ethyl, butyl acrylate, Isobutyl 2-propenoate and Hexyl 2-propenoate or first
Base acrylic acid methyl ester.；Described initiator is potassium peroxydisulfate or Ammonium persulfate..
The how calcareous anti-carbonated concrete of one the most according to claim 1, it is characterised in that: described modified rubber powder be by
Rubber powder is through silane coupler modified process gained.
The how calcareous anti-carbonated concrete of one the most according to claim 1, it is characterised in that: described ethyoxyl Tissuemat E
It is by by Tissuemat E, dibenzoyl peroxide, maleic anhydride insulated and stirred 2-3 hour at 130-140 DEG C, obtains modified poly-
Ethylene waxes；Add poly glycol monomethyl ether to stir 3-5 minute in 60-100 rev/min, sucking filtration, dry gained.
A kind of preparation method of how calcareous anti-carbonated concrete, it is characterised in that: preparation process is such as
Under:
(1) modified rubber powder is added in the mixed liquor of N-Methyl pyrrolidone and stir into modified rubber liquid；
(2) ethyoxyl Tissuemat E is distributed to 10-12 times of deionized water mix with modified rubber liquid, is subsequently adding propylene
After the mixing of acid esters copolymer emulsion mixed liquor, addition mulser carries out emulsifying and obtain emulsion；
(3) portland cement, gypsum powder, sand are added to the water it are stirred, add under agitation and prepare through step (2)
Emulsion, prepare concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610499738.6A CN106186995A (en) | 2016-06-28 | 2016-06-28 | How calcareous anti-carbonated concrete of one and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610499738.6A CN106186995A (en) | 2016-06-28 | 2016-06-28 | How calcareous anti-carbonated concrete of one and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1112018A (en) * | 1997-06-17 | 1999-01-19 | Sekisui Chem Co Ltd | Wood cement composition and production of wood cement board by using the composition |
| CN101429267A (en) * | 2008-12-25 | 2009-05-13 | 海洋化工研究院 | Preparation and uses of epoxy/acrylic acid hybridisation emulsion |
| CN101725103A (en) * | 2009-11-24 | 2010-06-09 | 南通安耐好工程材料有限公司 | Polymer cement concrete lamella |
| CN102617184A (en) * | 2012-03-27 | 2012-08-01 | 江苏名和集团有限公司 | Concrete carbonization inhibitor |
| CN105036644A (en) * | 2015-07-09 | 2015-11-11 | 阜阳三环管桩有限公司 | Rosin-efficient water-reducing concrete pile, and preparation method therefor |
-
2016
- 2016-06-28 CN CN201610499738.6A patent/CN106186995A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1112018A (en) * | 1997-06-17 | 1999-01-19 | Sekisui Chem Co Ltd | Wood cement composition and production of wood cement board by using the composition |
| CN101429267A (en) * | 2008-12-25 | 2009-05-13 | 海洋化工研究院 | Preparation and uses of epoxy/acrylic acid hybridisation emulsion |
| CN101725103A (en) * | 2009-11-24 | 2010-06-09 | 南通安耐好工程材料有限公司 | Polymer cement concrete lamella |
| CN102617184A (en) * | 2012-03-27 | 2012-08-01 | 江苏名和集团有限公司 | Concrete carbonization inhibitor |
| CN105036644A (en) * | 2015-07-09 | 2015-11-11 | 阜阳三环管桩有限公司 | Rosin-efficient water-reducing concrete pile, and preparation method therefor |
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Application publication date: 20161207 |