CN108424173A - A kind of outer curing agent of concrete - Google Patents
A kind of outer curing agent of concrete Download PDFInfo
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- CN108424173A CN108424173A CN201810376697.0A CN201810376697A CN108424173A CN 108424173 A CN108424173 A CN 108424173A CN 201810376697 A CN201810376697 A CN 201810376697A CN 108424173 A CN108424173 A CN 108424173A
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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
- C04B40/04—Preventing evaporation of the mixing water
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses curing agents outside a kind of concrete, belong to building material technical field.The outer curing agent of concrete that the present invention develops mainly is made of Sitosterolum, phosphatide, water, vegetable oil, drying oil, polyallylamine, antifoaming agent and calcium bicarbonate, after first Sitosterolum and phosphatide are stirred, it pours into the vegetable oil after preheating, adds drying oil, obtain oil phase；After water and polyallylamine are stirred, calcium bicarbonate is added, preheats, obtains water phase；Under constant temperature stirring, during the oil phase is added to the aqueous phase, after waiting for that oil phase is added, antifoaming agent is added, continues constant temperature and is stirred 40~60min, discharge, it is filling to get curing agent outside concrete.The product that the present invention develops has good storage stability, and can have to the performance after concrete curing after and be obviously improved, and secondary pollution will not be caused to environment after use.
Description
Technical field
The invention discloses curing agents outside a kind of concrete, belong to building material technical field.
Background technology
One of the construction material that concrete is maximum as dosage in architectural engineering, purposes is most wide, performance depends not only on
Raw material composition, proportioning, more also related with late maintaining, if being conserved after concrete construction not in time, internal moisture passes through
The pore of system is evaporated to the external world, leads to that cementitious material aquation is insufficient, hydrated product is reduced, and in turn results in concrete items
Performance declines.Therefore, maintenance develops concrete performance most important, it is necessary to be paid attention to.
Traditional concrete curing mode mainly has water curing, steam curing, landfill maintenance and covered rearing with plastic film etc., should
Class maintenance method is time-consuming, laborious, energy consumption, maintenance quality are difficult to control, at the same cannot meet modern tall, building and
Drought and water-scarce area architectural engineering demand, therefore, curing agent maintenance are come into being, and curing agent maintenance is divided into outer maintenance and interior maintenance
Two kinds, outer maintenance is after concrete construction, and spraying or smear one layer on its surface layer has film forming, infiltrative chemicals
Matter, and the substance forms the dense film of one layer of uniformly continuous in a short time, to inhibit inside concrete moisture evaporation, promotees
Make the abundant aquation of cementitious material, currently, outer curing agent is broadly divided into inorganic, organic emulsion class and organo-mineral complexing class.
The outer curing agent of inorganic includes waterglass modified, and main component is sodium metasilicate, and principle is that silicate component is oozed
It penetrates concrete surface micropore and generates calcium silicates colloid with hydrated product calcium hydroxide reaction, form dense film, pass through volume
Expansion obstruction surface micropore, prevents moisture evaporation.Inorganic curing agent is a kind of film forming compared with strong, the higher maintenance of permeability
Agent, but such curing agent water retention is relatively low, film water dissolubility is poor, is easily affected by temperature, easily occurs under high temperature or rain and fog weather
Peeling, phenomena such as falling off, crack or dissolving；Organic emulsion class mainly has macromolecule emulsion class and paraffin wax emulsions class, the two maintenance
Mechanism is similar, one layer of film with flexibility, caking property can be formed after concrete surface layer drying, the film is to concrete surface layer
Pore carry out deadend and hinder moisture evaporation；However, the two is all easily affected by temperature, often broken during storage
Newborn phenomenon, when use, is easy the Free water being precipitated or outside water is diluted to low viscosity lotion, and closure and film forming decline,
And residue is difficult to degrade in the construction process, be easy to cause the secondary pollution of environment；And organo-mineral complexing Similar integral
The advantages of organic and inorganic, has better performance, but since organic product and inorganic product compatibility are poor,
The drawbacks of there is also storage stabilities, meanwhile, in the compound process of organic product and inorganic product, also need to consider that the two is
It is no to react to each other, the problem of causing active ingredient to fail.
In conclusion exploitation is a kind of to have good storage stability, while being conducive to the items of concrete after use
The raising of energy, curing agent outside the concrete smaller to eco-environmental impact, is that technical field of concrete is urgently to be resolved hurrily after use.
Invention content
The present invention solves the technical problem of：For curing agent outside conventional concrete, stability is not in storing process
Good, concrete performance can not further increase after leading to maintenance, and using rear the problem of being easy to pollute ecological environment, carry
A kind of outer curing agent of concrete is supplied.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of outer curing agent of concrete, is made of the raw material of following parts by weight：
6~8 parts of cupreol
Phosphatidase 6~8 part
30~40 parts of water
40~50 parts of vegetable oil
10~15 parts of drying oil
4~6 parts of polyallylamine
0.1~0.3 part of antifoaming agent
3~8 parts of calcium bicarbonate
The configuration process of curing agent is outside the concrete：
（1）It is formed by raw material and weighs each component；
（2）After being first stirred cupreol and phosphatide, pours into the vegetable oil after preheating, add drying oil, obtain oil phase；
（3）After water and polyallylamine are stirred, calcium bicarbonate is added, preheats, obtains water phase；
（4）Under constant temperature stirring, during the oil phase is added to the aqueous phase, after waiting for that oil phase is added, antifoaming agent is added, is continued permanent
Temperature is stirred 40~60min, discharging, filling to get curing agent outside concrete.
The phosphatide is：Any one in soybean lecithin, egg yolk lecithin or milk phosphatide.
The vegetable oil is：Soybean oil, peanut oil, sunflower oil, sesame oil, olive oil, corn oil, castor oil or vegetable seed
Any one in oil.
The drying oil is any one in linseed oil or cottonseed oil.
The antifoaming agent be silicone emulsion, polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether,
Any one in polypropylene glycerol aether, polyoxyethylene polyoxypropylene glycerin ether or dimethyl silicone polymer.
The beneficial effects of the invention are as follows：
（1）The present invention carries hydroxyl by using cupreol and phosphatide as function additive in cupreol molecule, and phospholipid molecule
Hydrogen may be all therefore formed between the two molecule or both between molecule and water with the stronger carbonyl of electronegativity in structure
Key, to show as in product preparation process, the two by self assembly in conjunction with by gradually form fibrillar meshwork structure and assemble
Extend, while with the addition of dampening, promoting to form more hydrogen bonds between system Zhong Shui and two kinds of function additives, strengthening system
The stability of structure, and with the increase of rate of water added, the unit specific surface area that network of fibers is constructed improves, and surface tension also increases,
To in system oil, water two-phase restriction effect with regard to stronger, so as to it is fixed oil, water two-phase it is also more, make product hardness and
Elasticity effectively improves, and is eventually exhibited as storage stability and effectively improves；And in use, hydrogen bond can sheared
It is destroyed under force effect, to make system restore preferable mobility, to avoid blocking pipeline, and is easy to moisten in concrete surface
Wet-laying exhibition, after sprawling, hydrogen bond can re-form again, to form firm and flexible maintenance in concrete surface
Film promotes the promotion of concrete performance after maintenance, and after the completion of conserving, the raw materials such as vegetable oil and function additive are all degradable,
Secondary pollution will not be caused to environment；
（2）The present invention is glyceride by adding vegetable oil, vegetable oil main component in system, in use, mixed
Under the alkaline system that solidifying soil provides, glycerine ester hydrolysis generates glycerine and aliphatic acid, and first, which is exothermic reaction, heat
The generation of amount may advantageously facilitate the generation of hydrated reaction of cement, in addition, the aliphatic acid formed can be with the free hydrogen in concrete
Calcium oxide reacts, and generates fatty acid calcium, and cement granules are wrapped up, and to make cement granules fine dispersion, is used to reduce water
Amount, reduces water consumption, meanwhile, the glycerine of generation has good wetting action, is conducive to product in concrete hole gap structure
Further diffusion；
（3）The present invention is by adding calcium bicarbonate and polyallylamine, in water solution system, decomposes, produces after calcium bicarbonate is heated
Raw carbon dioxide, carbon dioxide and polyallylamine reaction, to form gel network in system, to keep the storage of product steady
It is qualitative further to be promoted, furthermore, in use, the fixed carbon dioxide of polyallylamine is unstable, can slow release,
To which the free calcium hydroxide generated with hydrated cementitious reacts, the calcium carbonate of generation is reacted by concrete capillary hole plug, thus
Further increase maintenance effect of the product to concrete.
Specific implementation mode
It counts in parts by weight, takes 6~8 parts of cupreols, 6~8 parts of phosphatide, 30~40 parts of water, 40~50 portions of plants successively
Oil, 10~15 parts of drying oil, 4~6 parts of polyallylamines, 0.1~0.3 part of antifoaming agent, 3~8 parts of calcium bicarbonates first fall vegetable oil
Enter in No. 1 beaker, and No. 1 beaker is moved into digital display and is tested the speed in constant temperature blender with magnetic force, is 80~85 DEG C in temperature, rotating speed is
Under the conditions of 300~500r/min, stirring 20~30min of preheating, then cupreol and phosphatide are poured into No. 2 beakers, use glass
After stick is stirred 10~30min, under constant temperature stirring, material in No. 2 beakers is poured into No. 1 beaker, then is burnt to No. 1
Drying oil is added in cup, continues constant temperature and is stirred 45~60min, obtain oil phase；Water and polyallylamine are mixed and pour into No. 3 beakers
In, after being stirred 10~30min with glass bar, calcium bicarbonate is added into No. 3 beakers, then No. 3 beakers are moved into digital display and are surveyed
Fast constant temperature blender with magnetic force, in temperature be 75~80 DEG C, rotating speed be 400~600r/min under the conditions of, constant temperature stirring preheating 10~
30min obtains water phase；Water phase is transferred in batch mixer again, and is 75~85 DEG C in temperature, speed of agitator is 400~800r/min
Under the conditions of, oil phase is added in the batch mixer for filling water phase, after waiting for that oil phase is added, then antifoaming agent is added into batch mixer,
After continuation constant temperature is stirred 40~60min, discharging is filling to get curing agent outside concrete.The phosphatide is：Soybean lecithin
Any one in fat, egg yolk lecithin or milk phosphatide.The vegetable oil is：Soybean oil, peanut oil, sunflower oil, sesame
Any one in oil, olive oil, corn oil, castor oil or rapeseed oil.The drying oil is times in linseed oil or cottonseed oil
Meaning is a kind of.The antifoaming agent be silicone emulsion, polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether,
Any one in polypropylene glycerol aether, polyoxyethylene polyoxypropylene glycerin ether or dimethyl silicone polymer.
Example 1
It counts in parts by weight, takes 8 parts of cupreols successively, 8 parts of phosphatide, 40 parts of water, 50 parts of vegetable oil, 15 parts of drying oil, 6 parts poly-
Allylamine, 0.3 part of antifoaming agent, 8 parts of calcium bicarbonates first pour into vegetable oil in No. 1 beaker, and No. 1 beaker is moved into digital display and is surveyed
In fast constant temperature blender with magnetic force, in temperature be 85 DEG C, under the conditions of rotating speed is 500r/min, stirring preheating 30min, then by β-paddy steroid
Alcohol and phosphatide pour into No. 2 beakers, after being stirred 30min with glass bar, under constant temperature stirring, burn the wine by No. 2
Material pours into No. 1 beaker, then drying oil is added into No. 1 beaker, continues constant temperature and is stirred 60min, obtains oil phase；By water and gather
Allylamine mixing is poured into No. 3 beakers, after being stirred 30min with glass bar, is added calcium bicarbonate into No. 3 beakers, then by 3
Number beaker moves into digital display and tests the speed constant temperature blender with magnetic force, is 80 DEG C in temperature, under the conditions of rotating speed is 600r/min, constant temperature stirring is pre-
Hot 30min, obtains water phase；Water phase is transferred in batch mixer again, and in temperature be 85 DEG C, speed of agitator be 800r/min under the conditions of,
Oil phase is added in the batch mixer for filling water phase, after waiting for that oil phase is added, then antifoaming agent is added into batch mixer, continues constant temperature
After being stirred 60min, discharging is filling to get curing agent outside concrete.The phosphatide is：Soybean lecithin.The vegetable oil
For：Soybean oil.The drying oil is linseed oil.The antifoaming agent is emulsification silicon.
Example 2
It counts in parts by weight, takes 40 parts of water successively, 50 parts of vegetable oil, 15 parts of drying oil, 6 parts of polyallylamines, 0.3 part of antifoaming agent, 8
Part calcium bicarbonate, first pours into vegetable oil in No. 1 beaker, and No. 1 beaker is moved into digital display and is tested the speed in constant temperature blender with magnetic force, in
Temperature is 85 DEG C, under the conditions of rotating speed is 500r/min, stirring preheating 30min, then drying oil is added into No. 1 beaker, continue permanent
Temperature is stirred 60min, obtains oil phase；Water and polyallylamine are mixed and poured into No. 3 beakers, 30min is stirred with glass bar
Afterwards, be added calcium bicarbonate into No. 3 beakers, then No. 3 beakers moved into digital displays and are tested the speed constant temperature blender with magnetic force, in temperature be 80
DEG C, under the conditions of rotating speed is 600r/min, constant temperature stirring preheating 30min obtains water phase；Water phase is transferred in batch mixer again, and in temperature
Degree is 85 DEG C, under the conditions of speed of agitator is 800r/min, oil phase is added in the batch mixer for filling water phase, to the end of oil phase is added
Afterwards, then into batch mixer antifoaming agent is added, after continuation constant temperature is stirred 60min, discharging is filling to be conserved to get outside concrete
Agent.The vegetable oil is：Soybean oil.The drying oil is linseed oil.The antifoaming agent is emulsification silicon.
Example 3
It counts in parts by weight, takes 8 parts of cupreols successively, 8 parts of phosphatide, 40 parts of water, 50 parts of vegetable oil, 6 parts of polyallylamines, 0.3
Part antifoaming agent, 8 parts of calcium bicarbonates first pour into vegetable oil in No. 1 beaker, and No. 1 beaker is moved into digital display and is tested the speed constant temperature magnetic force
It it is 85 DEG C in temperature, under the conditions of rotating speed is 500r/min, stirring preheats 30min, then cupreol and phosphatide are fallen in blender
Enter in No. 2 beakers, after being stirred 30min with glass bar, under constant temperature stirring, material in No. 2 beakers is poured into No. 1 burning
In cup, continues constant temperature and be stirred 60min, obtain oil phase；Water and polyallylamine are mixed and poured into No. 3 beakers, is stirred with glass bar
After mixing mixing 30min, it is added calcium bicarbonate into No. 3 beakers, then No. 3 beakers is moved into digital displays and are tested the speed constant temperature blender with magnetic force,
It it is 80 DEG C in temperature, under the conditions of rotating speed is 600r/min, constant temperature stirring preheating 30min obtains water phase；Water phase is transferred to batch mixer again
In, and be 85 DEG C in temperature, under the conditions of speed of agitator is 800r/min, oil phase is added in the batch mixer for filling water phase, waits for oil
After being added to, then antifoaming agent is added into batch mixer, after continuation constant temperature is stirred 60min, discharging is filling to get mixed
The solidifying outer curing agent of soil.The phosphatide is：Soybean lecithin.The vegetable oil is：Soybean oil.The antifoaming agent is emulsification silicon.
Example 4
It counts in parts by weight, takes 8 parts of cupreols successively, 8 parts of phosphatide, 40 parts of water, 50 parts of vegetable oil, 15 parts of drying oil, 6 parts poly-
Allylamine, 0.3 part of antifoaming agent first pour into vegetable oil in No. 1 beaker, and No. 1 beaker is moved into the digital display constant temperature magnetic force that tests the speed and is stirred
It mixes in device, is 85 DEG C in temperature, under the conditions of rotating speed is 500r/min, stirring preheats 30min, then cupreol and phosphatide are poured into
In No. 2 beakers, after being stirred 30min with glass bar, under constant temperature stirring, material in No. 2 beakers is poured into No. 1 beaker
In, then drying oil is added into No. 1 beaker, continue constant temperature and be stirred 60min, obtains oil phase；Water and polyallylamine are mixed
Enter in No. 3 beakers, after being stirred 30min with glass bar, then No. 3 beakers is moved into digital displays and are tested the speed constant temperature blender with magnetic force, in
Temperature is 80 DEG C, and under the conditions of rotating speed is 600r/min, constant temperature stirring preheating 30min obtains water phase；Water phase is transferred to batch mixer again
In, and be 85 DEG C in temperature, under the conditions of speed of agitator is 800r/min, oil phase is added in the batch mixer for filling water phase, waits for oil
After being added to, then antifoaming agent is added into batch mixer, after continuation constant temperature is stirred 60min, discharging is filling to get mixed
The solidifying outer curing agent of soil.The phosphatide is：Soybean lecithin.The vegetable oil is：Soybean oil.The drying oil is linseed oil.Institute
It is emulsification silicon to state antifoaming agent.
Comparative example：The concrete nursing liquid of changzhou building materials Science and Technology Ltd. production.
After curing agent and comparative example product are sufficiently stirred respectively outside the concrete of 1 to 4 gained of example, work as concrete
After surface is without swimming, sprinkling curing agent operation is carried out, fountain height is controlled in 200g/m2, after waiting for concrete curing, to coagulation
Soil carries out performance detection, and specific testing result is as shown in table 1：
Table 1：Concrete performance examination table
By 1 testing result of table it is found that after product use prepared by technical solution of the present invention, to concrete impermeability and mechanical property
Can have good promotion effect, maintenance effect outstanding.
Claims (5)
1. a kind of outer curing agent of concrete, which is characterized in that be made of the raw material of following parts by weight：
6~8 parts of cupreol
Phosphatidase 6~8 part
30~40 parts of water
40~50 parts of vegetable oil
10~15 parts of drying oil
4~6 parts of polyallylamine
0.1~0.3 part of antifoaming agent
3~8 parts of calcium bicarbonate
The configuration process of curing agent is outside the concrete：
（1）It is formed by raw material and weighs each component；
（2）After being first stirred cupreol and phosphatide, pours into the vegetable oil after preheating, add drying oil, obtain oil phase；
（3）After water and polyallylamine are stirred, calcium bicarbonate is added, preheats, obtains water phase；
（4）Under constant temperature stirring, during the oil phase is added to the aqueous phase, after waiting for that oil phase is added, antifoaming agent is added, is continued permanent
Temperature is stirred 40~60min, discharging, filling to get curing agent outside concrete.
2. a kind of outer curing agent of concrete according to claim 1, which is characterized in that the phosphatide is：Soybean lecithin,
Any one in egg yolk lecithin or milk phosphatide.
3. a kind of outer curing agent of concrete according to claim 1, which is characterized in that the vegetable oil is：Soybean oil, flower
Any one in oil generation, sunflower oil, sesame oil, olive oil, corn oil, castor oil or rapeseed oil.
4. a kind of outer curing agent of concrete according to claim 1, which is characterized in that the drying oil is linseed oil or cotton
Any one in seed oil.
5. a kind of outer curing agent of concrete according to claim 1, which is characterized in that the antifoaming agent be silicone emulsion,
Polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether, polyoxypropylene polyoxy second
Any one in alkene glycerin ether or dimethyl silicone polymer.
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| CN201810376697.0A CN108424173B (en) | 2018-04-25 | 2018-04-25 | Concrete external curing agent |
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| CN201810376697.0A CN108424173B (en) | 2018-04-25 | 2018-04-25 | Concrete external curing agent |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109020450A (en) * | 2018-09-28 | 2018-12-18 | 佛山齐安建筑科技有限公司 | A kind of preparation method of water proof building plasterboard |
| CN109970408A (en) * | 2019-03-11 | 2019-07-05 | 江苏锦宇环境工程有限公司 | A kind of water proof type compound tile gum |
| CN109987966A (en) * | 2019-04-24 | 2019-07-09 | 中国路桥工程有限责任公司 | Curing compound |
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