CN109485458A - A kind of maritime concrete surface reinforcing agent and preparation method thereof - Google Patents
A kind of maritime concrete surface reinforcing agent and preparation method thereof Download PDFInfo
- Publication number
- CN109485458A CN109485458A CN201910061953.1A CN201910061953A CN109485458A CN 109485458 A CN109485458 A CN 109485458A CN 201910061953 A CN201910061953 A CN 201910061953A CN 109485458 A CN109485458 A CN 109485458A
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- China
- Prior art keywords
- concrete surface
- reinforcing agent
- surface reinforcing
- concrete
- maritime
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
- C04B41/5089—Silica sols, alkyl, ammonium or alkali metal silicate cements
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
Abstract
The present invention provides a kind of maritime concrete surface reinforcing agents.Present invention solves the technical problem that being to provide a kind of maritime concrete surface reinforcing agent mainly to enhance concrete surface intensity, the corrosion resistance of maritime concrete is improved.By weight percentage, the concrete surface reinforcing agent mainly includes following component: Nano silica sol 15-25%;Potassium formate 15-25%;Sodium methyl silicate 20-40%;Cupric ammine complex 5-10%;Excess water.The outstanding feature of maritime concrete surface reinforcing agent produced by the present invention is: permeability is strong, is permeable to 5-10mm under concrete surface layer;Concrete seven d rebound strength improves 10%-20%, and 28d rebound strength improves 20-30%;Significantly improve agent on crack resistance of concrete sea water intrusion ability.
Description
Technical field
The present invention relates to building material technical field more particularly to a kind of maritime concrete surface reinforcing agents.
Background technique
Concrete surface reinforcing agent is a kind of chemical hardening agent that can significantly improve concrete surface intensity and compactness,
The service life of concrete structure can significantly be extended.Maritime concrete is chronically at alternation of wetting and drying, sea water intrusion and sea
In unrestrained shock environment, concrete surface intensity is higher, and the ability that resistant to sea water corrodes is also better.Currently, that sells on the market is mixed
Solidifying soil surface reinforcing agent is directed to common furniture construction, not specifically for the surface enhanced of maritime concrete Service Environment design
Agent, thus prepare the surface reinforcing agent of maritime concrete a kind of very it is necessary to.
Entitled " super infiltration concrete intensifier of one kind and preparation method thereof (Chinese patent application publication No.: CN
106007474 A) " patent disclose a kind of concrete intensifier of super osmosis type.The reinforcing agent can make concrete surface
Layer is more closely knit, and structure is finer and close, can increase the binding force of concrete surface and polymer membranes, so that concrete
Surface is easy to laying water-proof coiled material.
The patent of entitled " multifunctional concrete reinforcing agent (Chinese patent application publication No.: 103964724 A of CN) " is public
A kind of Concrete synergist is opened, which, which has, saves concrete overall cost, improves concrete workability, increase coagulation
The multiple functions such as native intensity.The synergist belongs to internal doping type reinforcing agent, and preparation process needs heat source, virtually increase enterprise at
This, and resistant to sea water erosiveness is indefinite, it can only be as the reinforcing agent of normal concrete.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of maritime concrete surface reinforcing agents.
In order to achieve the above-mentioned object of the invention, the present invention is the following technical schemes are provided: the present invention provides a kind of marine worker coagulations
Native surface reinforcing agent, the raw material including following weight percent:
Nano silica sol 15-25%;
Potassium formate 15-25%;
Sodium methyl silicate 20-40%;
Cupric ammine complex 5-10%;
Surplus is water.
Preferably, a kind of maritime concrete surface reinforcing agent, the raw material including following weight percent:
Nano silica sol 20-25%;
Potassium formate 15-20%;
Sodium methyl silicate 30-40%;
Cupric ammine complex 5-10%;
Surplus is water.
Preferably, the Nano silica sol pH value is 8 .0-8 .5, viscosity≤6 .0 × 10-3Pas;
Preferably, the potassium formate purity is not less than 98%;
Preferably, the sodium methyl silicate purity is not less than 70%;
Preferably, the cupric ammine complex is mixed by copper-bath with ammonium hydroxide in any proportion;
Preferably, the preparation method of the maritime concrete surface reinforcing agent, comprising the following steps:
Step 1: weighing or preparing each component according to the proportion;
It is dissolved Step 2: potassium formate and water to be added agitator tank and stir to potassium formate;
Step 3: Nano silica sol, sodium methyl silicate are added in mixed liquor made from step 2, it is uniformly mixed;
Step 4: cupric ammine complex is slowly added in mixed liquor made from step 3, stirring to colloid is dissolved, and obtains marine worker
Concrete surface reinforcing agent.
The work of several main raw material(s)s is now used as following elaboration by technical solution of the present invention for ease of understanding:
1. the present invention is main enhancing component with Nano silica sol.Nano silica sol main component is silica, nano-silica
SiClx penetrating power is strong, is able to enter inside concrete, with the alkali substance reaction in cement reaction product, generates calcium silicates resistance
The gap in concrete is filled in, achievees the purpose that compact structure;
2. the present invention is using sodium methyl silicate as hydrophobic component.Sodium methyl silicate is hydrophobic type surfactant, on the one hand can be seeped
It penetrates into and is reacted into inside concrete, form product compact structure, on the other hand can form water-repellent layer in concrete surface, increase
The contact angle of concrete surface and water;
3. the present invention is using potassium formate as accelerating component.Potassium formate can accelerate the aquation of portland cement, improve concrete surface layer
Early strength;
4. the present invention is using cupric ammine complex as surface layer preservative.Cupric ammine complex reacted with sodium methyl silicate in system to be formed it is solidifying
Glue can form protective layer in concrete surface layer, improve the ability of agent on crack resistance of concrete sea water intrusion.
Compared with prior art, the invention has the benefit that
1. permeability is strong, it is permeable to 5-10mm under concrete surface layer;
2. concrete seven d rebound strength improves 10%-20%, 28d rebound strength improves 20-30%;
3. significantly improving agent on crack resistance of concrete sea water intrusion ability.
Specific embodiment
The present invention will be further described with reference to embodiments, but the invention is not limited to these embodiments.
Embodiment 1
A kind of maritime concrete surface reinforcing agent, the raw material including following weight percent:
Nano silica sol 20%;
Potassium formate 15%;
Sodium methyl silicate 30%;
Cupric ammine complex 5%;
Water 30%.
The Nano silica sol pH value is 8 .0-8 .5, viscosity≤6 .0 × 10-3Pas;The potassium formate purity is not
Lower than 98%;The sodium methyl silicate purity is not less than 70%;The cupric ammine complex is by copper-bath and ammonium hydroxide in 8:2 ratio
It mixes.
The preparation process of the maritime concrete surface reinforcing agent carries out as follows:
Step 1: weighing or preparing each component according to the proportion;
It is dissolved Step 2: potassium formate and water to be added agitator tank and stir to potassium formate;
Step 3: Nano silica sol, sodium methyl silicate are added in mixed liquor made from step 2, it is uniformly mixed;
Step 4: cupric ammine complex is slowly added in mixed liquor made from step 3, stirring to colloid is dissolved, and obtains marine worker
Concrete surface reinforcing agent.
Embodiment 2
A kind of maritime concrete surface reinforcing agent, the raw material including following weight percent:
Nano silica sol 22%;
Potassium formate 17%;
Sodium methyl silicate 33%;
Cupric ammine complex 7%;
Water 21%.
The Nano silica sol pH value is 8 .0-8 .5, viscosity≤6 .0 × 10-3Pas;The potassium formate purity is not
Lower than 98%;The sodium methyl silicate purity is not less than 70%;The cupric ammine complex is by copper-bath and ammonium hydroxide in 8:2 ratio
It mixes.
The preparation process of the maritime concrete surface reinforcing agent carries out as follows:
Step 1: weighing or preparing each component according to the proportion;
It is dissolved Step 2: potassium formate and water to be added agitator tank and stir to potassium formate;
Step 3: Nano silica sol, sodium methyl silicate are added in mixed liquor made from step 2, it is uniformly mixed;
Step 4: cupric ammine complex is slowly added in mixed liquor made from step 3, stirring to colloid is dissolved, and obtains marine worker
Concrete surface reinforcing agent.
Embodiment 3
A kind of maritime concrete surface reinforcing agent, the raw material including following weight percent:
Nano silica sol 25%;
Potassium formate 20%;
Sodium methyl silicate 40%;
Cupric ammine complex 8%;
Water 7%.
The Nano silica sol pH value is 8 .0-8 .5, viscosity≤6 .0 × 10-3Pas;The potassium formate purity is not
Lower than 98%;The sodium methyl silicate purity is not less than 70%;The cupric ammine complex is by copper-bath and ammonium hydroxide in 8:2 ratio
It mixes.
The preparation process of the maritime concrete surface reinforcing agent carries out as follows:
Step 1: weighing or preparing each component according to the proportion;
It is dissolved Step 2: potassium formate and water to be added agitator tank and stir to potassium formate;
Step 3: Nano silica sol, sodium methyl silicate are added in mixed liquor made from step 2, it is uniformly mixed;
Step 4: cupric ammine complex is slowly added in mixed liquor made from step 3, stirring to colloid is dissolved, and obtains marine worker
Concrete surface reinforcing agent.
Application Example
The concrete sample of the embodiment of the present invention 1 ~ 3 and non-brushing surface reinforcing agent is subjected to application performance comparative test.Coagulation
Native rebound strength test is carried out according to JGJ/T23-2001 " concrete intensity with rebound method technical regulation ", concrete
Durability test is carried out according to GB/T50082-2009 " Standard for test methods of longterm performance and durability of ordinary concrete standard ".
Each material utilization amount of 1 concrete of table/(kg/m3)
Test result is as follows:
2 concrete springback intensity of table and surface reinforcing agent penetration depth test result
3 concrete durability test result of table
The above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art,
Under the premise of not departing from the invention design, several modifications and variations can also be made, these belong to protection of the invention
Range.
Claims (6)
1. a kind of maritime concrete surface reinforcing agent, it is characterised in that: be made of following component according to weight percent:
Nano silica sol 15-25%;
Potassium formate 15-25%;
Sodium methyl silicate 20-40%;
Cupric ammine complex 5-10%;
Excess water.
2. maritime concrete surface reinforcing agent according to claim 1, it is characterised in that: the Nano silica sol pH value
For 8 .0-8 .5, viscosity≤6 .0 × 10-3Pa·s。
3. maritime concrete surface reinforcing agent according to claim 1, it is characterised in that: the potassium formate purity is not low
In 98%.
4. maritime concrete surface reinforcing agent according to claim 1, it is characterised in that: the sodium methyl silicate purity
Not less than 70%.
5. maritime concrete surface reinforcing agent according to claim 1, it is characterised in that: the cupric ammine complex is by sulphur
Sour copper solution mixes in any proportion with ammonium hydroxide.
6. the preparation method of any one of the claim 1 ~ 5 maritime concrete surface reinforcing agent, comprising the following steps:
Step 1: weighing or preparing each component according to the proportion;
It is dissolved Step 2: potassium formate and water to be added agitator tank and stir to potassium formate;
Step 3: Nano silica sol, sodium methyl silicate are added in mixed liquor made from step 2, it is uniformly mixed;
Step 4: cupric ammine complex is slowly added in mixed liquor made from step 3, stirring to colloid is dissolved, and obtains marine worker
Concrete surface reinforcing agent.
Priority Applications (1)
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CN201910061953.1A CN109485458A (en) | 2019-01-23 | 2019-01-23 | A kind of maritime concrete surface reinforcing agent and preparation method thereof |
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CN201910061953.1A CN109485458A (en) | 2019-01-23 | 2019-01-23 | A kind of maritime concrete surface reinforcing agent and preparation method thereof |
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Family
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115784770A (en) * | 2022-10-09 | 2023-03-14 | 临沂中联混凝土有限公司 | Anti-carbonization concrete curing agent and preparation method thereof |
Citations (5)
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CN103409785A (en) * | 2013-07-09 | 2013-11-27 | 中国船舶重工集团公司第七二五研究所 | Preparation method of nano coating with reduced marine organism attachment on surface of titanium alloy |
CN103664030A (en) * | 2012-08-31 | 2014-03-26 | 东莞市默诺克实业有限公司 | Curing agent for sealing and hardening surface of concrete, as well as preparation and construction methods thereof |
KR20160144114A (en) * | 2015-06-08 | 2016-12-16 | 권중락 | Casting method for concrete pavement of high strength which excellent permeability. |
CN108003691A (en) * | 2017-11-22 | 2018-05-08 | 浙江加州国际纳米技术研究院台州分院 | Preparation method for ocean engineering anti-halobios adhersion coating |
CN111620715A (en) * | 2020-04-24 | 2020-09-04 | 佳固士(浙江)新材料有限公司 | Water-based capillary crystalline concrete surface repairing reinforcing material and preparation method and application thereof |
-
2019
- 2019-01-23 CN CN201910061953.1A patent/CN109485458A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103664030A (en) * | 2012-08-31 | 2014-03-26 | 东莞市默诺克实业有限公司 | Curing agent for sealing and hardening surface of concrete, as well as preparation and construction methods thereof |
CN103409785A (en) * | 2013-07-09 | 2013-11-27 | 中国船舶重工集团公司第七二五研究所 | Preparation method of nano coating with reduced marine organism attachment on surface of titanium alloy |
KR20160144114A (en) * | 2015-06-08 | 2016-12-16 | 권중락 | Casting method for concrete pavement of high strength which excellent permeability. |
CN108003691A (en) * | 2017-11-22 | 2018-05-08 | 浙江加州国际纳米技术研究院台州分院 | Preparation method for ocean engineering anti-halobios adhersion coating |
CN111620715A (en) * | 2020-04-24 | 2020-09-04 | 佳固士(浙江)新材料有限公司 | Water-based capillary crystalline concrete surface repairing reinforcing material and preparation method and application thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115784770A (en) * | 2022-10-09 | 2023-03-14 | 临沂中联混凝土有限公司 | Anti-carbonization concrete curing agent and preparation method thereof |
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Application publication date: 20190319 |
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