CN108083679A - A kind of concrete subtracts jelly and preparation method thereof - Google Patents
A kind of concrete subtracts jelly and preparation method thereof Download PDFInfo
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- CN108083679A CN108083679A CN201711393195.0A CN201711393195A CN108083679A CN 108083679 A CN108083679 A CN 108083679A CN 201711393195 A CN201711393195 A CN 201711393195A CN 108083679 A CN108083679 A CN 108083679A
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- concrete
- jelly
- subtracts
- water
- subtracts jelly
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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
Abstract
The present invention discloses a kind of concrete and subtracts jelly and preparation method thereof, and the concrete, which subtracts jelly, includes the component of following mass fraction：Reinforcing agent 16~25%, dispersant 12~20%, foaming agent 0.1~0.5%, foam stabilizer 0.05~0.2% and water 55~71%.Concrete provided by the invention, which subtracts jelly, can reduce 10.7~18.4% of cement consumption in concrete, have significant humidification to the intensity of concrete, and workability is good, and also have water-reduction simultaneously.
Description
Technical field
The present invention relates to technical field of concrete additives, more particularly to a kind of concrete subtracts jelly and preparation method thereof.
Background technology
Concrete refers to the general designation of the cementing integral engineered composite material of aggregate by cementitious material.Usually said is mixed
Solidifying soil refers to make cementitious material, sand, masonry aggregate with cement；Coordinate by a certain percentage with water (additive and admixture can be contained),
The concrete formed through uniform stirring, closely knit shaping, maintenance hardening, also referred to as normal concrete are low with abundant raw material, price
The characteristics of honest and clean, simple production process, it is widely used in civil engineering.
Research shows under conventional environment, has 20~30% or so cement cementitious material hydration reaction in concrete not
Fully, filling effect is only played, it is impossible to effectively play the effect of cement；On the other hand, cement production process resource consumption it is big and
It is more serious to the pollution of environment, therefore, on the basis of concrete performance is ensured, reduce cement in concrete to the greatest extent
Dosage can not only reduce cost, also help and realize environmentally protective purpose.
The content of the invention
The main object of the present invention is to propose that a kind of concrete subtracts jelly and preparation method thereof, it is intended to reduce water in concrete
While the dosage of mud, the intensity of concrete is improved.
To achieve the above object, a kind of concrete proposed by the present invention subtracts jelly, includes the component of following mass fraction：
Reinforcing agent 16~25%, dispersant 12~20%, foaming agent 0.1~0.5%, foam stabilizer 0.05~0.2% and
Water 55~71%.
Preferably, the reinforcing agent includes at least one in pregnancy phosphoric triamide, penta tetramine of season and trien
Kind.
Preferably, the dispersant includes poly-epoxy succinic acid (sodium), polymaleic anhydride, phosphono based polyacrylic acid and carboxylic
At least one of acid-sulfonic-acrylic ester terpolymer.
Preferably, the foaming agent includes cocoamidoethyl betaine, Cocoamidopropyl betaine, coconut oleoyl amine fourth
At least one of base glycine betaine, dodecyl sodium sulfate and lauryl sodium sulfate.
Preferably, the foam stabilizer is silicones polyethers lotion.
The present invention also proposes that a kind of concrete as described above subtracts the preparation method of jelly, includes the following steps：
Reinforcing agent, dispersant, foaming agent, foam stabilizer and water are stirred into 2~4h at 25~40 DEG C, concrete is obtained and subtracts glue
Agent.
Concrete provided by the invention subtracts jelly, it is possible to reduce the 10.7~18.4% of cement consumption in concrete, to mixed
The intensity for coagulating soil has significant humidification, and workability is good, and also has water-reduction simultaneously.
Specific embodiment
It, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
A kind of concrete proposed by the present invention subtracts jelly, includes the component of following mass fraction：
Reinforcing agent 16~25%, dispersant 12~20%, foaming agent 0.1~0.5%, foam stabilizer 0.05~0.2% and
Water 55~71%.
Concrete provided by the invention subtracts jelly, it is possible to reduce the 10.7~18.4% of cement consumption in concrete, to mixed
The intensity for coagulating soil has significant humidification, and workability is good, and also has water-reduction simultaneously, and adaptability is good.By
Reduce concrete in cement dosage while, moreover it is possible to improve the intensity of concrete, can not only reduce as a result, concrete into
This, also helps and realizes environmentally protective purpose.
The effect of the reinforcing agent is to improve the intensity of concrete, after being mixed in concrete, can be evenly distributed to mixed
The interface zone of solidifying soil aggregate and cement slurry, makes the SiO in sandstone2And Al2O3With the hyrate Ca (OH) of cement2Occur more
Secondary aquation generates hydrated calcium silicate gel, so as to substantially increase the performances such as the intensity of concrete, durability and corrosion resistance.
In embodiments of the present invention, the reinforcing agent is included in pregnancy phosphoric triamide, penta tetramine of season and trien at least
One kind forms adsorbed film by being adsorbed in cement particle surface, changes current potential and so that the arrangement of cement particle is finer and close, from
And it plays enhancing and reduces the effect of water consumption.
The effect of the dispersant is to make concrete cement particle is can be uniformly dispersed when mixing and stirring, and improves concrete and mixes and stirs
When rheological property.In embodiments of the present invention, the dispersant includes poly-epoxy succinic acid (sodium), polymaleic anhydride, phosphono
At least one of polyacrylic acid and carboxylic acid-sulfonic-acrylic ester terpolymer.
The effect of the foaming agent is to make that concrete forms more fine and close pore structure in closely knit shaping and interface is micro-
Structure, so as to improve the physical and mechanical property of concrete.In embodiments of the present invention, the foaming agent includes cocoamidoethyl
Glycine betaine, Cocoamidopropyl betaine, coconut oleoyl amine butyrobetaine, dodecyl sodium sulfate and lauryl sodium sulfate
At least one of.
The effect of the foam stabilizer is that the porous structure for making to have foaming agent effect to generate is more stable, be not susceptible to rupture or
And phenomena such as hole (rupture or simultaneously hole can all cause the strength reduction of porous structure).In embodiments of the present invention, the foam stabilizer
For silicones polyethers lotion.
The present invention also proposes that a kind of concrete as described above subtracts the preparation method of jelly, includes the following steps：
Reinforcing agent, dispersant, foaming agent, foam stabilizer and water are stirred into 2~4h at 25~40 DEG C, concrete is obtained and subtracts glue
Agent.
Wherein, each raw material components account for the mass fraction of raw material total amount and correspond to：Reinforcing agent 16~25%, dispersant 12~
20%th, foaming agent 0.1~0.5%, foam stabilizer 0.05~0.2% and water 55~71%.It is prepared by the method for above-mentioned offer
Concrete subtract jelly, can be mixed during mixing concrete, incorporation is generally no greater than the 5% of cement quality
(except special circumstances).In embodiments of the present invention, the concrete subtract the incorporation of jelly for cement quality 0.5~
1.0%.
Concrete provided by the invention subtracts the preparation method of jelly, have the characteristics that it is simple for process, be easy to mass production, and
Temperature is relatively low needed for preparation process, can achieve the purpose that energy-saving and environmental protection.
Technical scheme is described in further detail below in conjunction with specific embodiment, it should be understood that following real
It applies example to be only used to explain the present invention, be not intended to limit the present invention.
Embodiment 1
(1) by pregnancy phosphoric triamide 20%, polymaleic anhydride 14%, dodecyl sodium sulfate 0.4%, silicones polyethers breast
Liquid 0.15% and water 65.45%, 4h is stirred under the conditions of 25 DEG C, is obtained concrete and is subtracted jelly, spare.
(2) concrete prepared by step (1) is subtracted in jelly incorporation concrete (concrete mixes during mixing and stirring), then
Standard curing 3d, 7d and 28d；Wherein, the incorporation that concrete subtracts jelly is 0.5% of cement quality in concrete, concrete
Match ratio it is as shown in table 1.
It should be noted that in all embodiments and comparative example, cement and water reduction dosage, be accordingly added to sand and
In the dosage of rubble, cause the performance test results different to avoid inconsistent due to concrete total quality；In addition, all realities
It applies in example and comparative example while adds in commercially available polycarboxylate series high-performance dehydragent, wherein, the solid content of water-reducing agent is 10%,
Additive amount is the 2.0% of cement, flyash and miberal powder gross mass.
The match ratio of concrete in 1 each embodiment of table
Embodiment 2
(1) by penta tetramine 25% of season, poly-epoxy succinic acid (sodium) 15%, Cocoamidopropyl betaine 0.3%, silicones
Polyethers lotion 0.1% and water 59.6%, 3.5h is stirred under the conditions of 30 DEG C, is obtained concrete and is subtracted jelly, spare.
(2) concrete prepared by step (1) is subtracted in jelly incorporation concrete (concrete mixes during mixing and stirring), then
Standard curing 3d, 7d and 28d；Wherein, the incorporation that concrete subtracts jelly is 0.6% of cement quality in concrete, concrete
Match ratio it is as shown in table 1.
Embodiment 3
(1) by trien 16.3%, phosphono based polyacrylic acid 12%, coconut oleoyl amine butyrobetaine 0.5%, silicon
Resin polyethers lotion 0.2% and water 71%, 3h is stirred under the conditions of 35 DEG C, is obtained concrete and is subtracted jelly, spare.
(2) concrete prepared by step (1) is subtracted in jelly incorporation concrete (concrete mixes during mixing and stirring), then
Standard curing 3d, 7d and 28d；Wherein, the incorporation that concrete subtracts jelly is 0.7% of cement quality in concrete, concrete
Match ratio it is as shown in table 1.
Embodiment 4
(1) by pregnancy phosphoric triamide 23%, carboxylic acid-sulfonic-acrylic ester terpolymer 20%, cocoamidoethyl sweet tea
Dish alkali 0.1%, silicones polyethers lotion 0.05% and water 56.85%, stir 2h under the conditions of 40 DEG C, obtain concrete and subtract glue
Agent, it is spare.
(2) concrete prepared by step (1) is subtracted in jelly incorporation concrete (concrete mixes during mixing and stirring), then
Standard curing 3d, 7d and 28d；Wherein, the incorporation that concrete subtracts jelly is 0.8% of cement quality in concrete, concrete
Match ratio it is as shown in table 1.
Embodiment 5
(1) by penta tetramine 25% of season, poly-epoxy succinic acid (sodium) 18%, lauryl sodium sulfate 0.5%, silicones polyethers
Lotion 0.2% and water 56.3%, 2.5h is stirred under the conditions of 33 DEG C, is obtained concrete and is subtracted jelly, spare.
(2) concrete prepared by step (1) is subtracted in jelly incorporation concrete (concrete mixes during mixing and stirring), then
Standard curing 3d, 7d and 28d；Wherein, the incorporation that concrete subtracts jelly is 1.0% of cement quality in concrete, concrete
Match ratio it is as shown in table 1.
Comparative example
Only add commercially available polycarboxylate high-efficiency water-reducing agent as a comparison case in concrete, then standard curing 3d, 7d and
28d；Wherein, the match ratio of concrete is as shown in table 1.
According to GB/T 50080-2002 Standard for test methods of properties of ordinary concrete mixture, each embodiment and right is tested respectively
The water-reducing rate of concrete, the slump/divergence, workability and compression strength in ratio, the results are shown in Table 2.
The properties test result of 2 each embodiment of table and the concrete in comparative example
From Tables 1 and 2, concrete prepared by the embodiment of the present invention subtracts the incorporation of jelly as cementaceous in concrete
Amount 0.5~1.0% when, it is possible to reduce the 10.7~18.4% of cement consumption in concrete, with only mixing commercially available polycarboxylate
The concrete of series high-efficiency water-reducing agent is compared, and water-reducing rate slightly improves, and have to the intensity of concrete significant humidification and easily
Property is good.
In conclusion concrete provided by the invention subtracts jelly, not only preparation process is simple, but also can greatly reduce mixed
The dosage of cement in solidifying soil, while have significant humidification to the intensity of concrete, workability is good, also has to a certain degree
Water-reduction, adaptability is good.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright description is made directly or indirectly is used in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (6)
1. a kind of concrete subtracts jelly, which is characterized in that includes the component of following mass fraction：
Reinforcing agent 16~25%, dispersant 12~20%, foaming agent 0.1~0.5%, foam stabilizer 0.05~0.2% and water 55
~71%.
2. concrete as described in claim 1 subtracts jelly, which is characterized in that the reinforcing agent includes pregnancy phosphoric triamide, season
At least one of penta tetramine and trien.
3. concrete as described in claim 1 subtracts jelly, which is characterized in that the dispersant includes poly-epoxy succinic acid
At least one of (sodium), polymaleic anhydride, phosphono based polyacrylic acid and carboxylic acid-sulfonic-acrylic ester terpolymer.
4. concrete as described in claim 1 subtracts jelly, which is characterized in that the foaming agent includes cocoamidoethyl beet
In alkali, Cocoamidopropyl betaine, coconut oleoyl amine butyrobetaine, dodecyl sodium sulfate and lauryl sodium sulfate
It is at least one.
5. concrete as described in claim 1 subtracts jelly, which is characterized in that the foam stabilizer is silicones polyethers lotion.
6. a kind of concrete as described in claim 1 to 5 any one subtracts the preparation method of jelly, which is characterized in that including
Following steps：
Reinforcing agent, dispersant, foaming agent, foam stabilizer and water are stirred into 2~4h at 25~40 DEG C, concrete is obtained and subtracts jelly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393195.0A CN108083679B (en) | 2017-12-21 | 2017-12-21 | Concrete glue reducing agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393195.0A CN108083679B (en) | 2017-12-21 | 2017-12-21 | Concrete glue reducing agent and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108083679A true CN108083679A (en) | 2018-05-29 |
| CN108083679B CN108083679B (en) | 2020-10-09 |
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Cited By (4)
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| CN109437643A (en) * | 2018-09-12 | 2019-03-08 | 湖北工业大学 | A kind of method that both sexes polyesters polycarboxylate compound preparation subtracts jelly |
| CN109534713A (en) * | 2018-12-27 | 2019-03-29 | 武汉优城科技有限公司 | A kind of high-strength concrete is with subtracting jelly and preparation method thereof |
| CN110386773A (en) * | 2019-06-28 | 2019-10-29 | 浙江老虎山建材有限公司 | A kind of concrete subtracts the preparation method of jelly |
| CN111646729A (en) * | 2020-05-15 | 2020-09-11 | 湖南武源建材有限责任公司 | Concrete glue reducing agent and preparation process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109437643A (en) * | 2018-09-12 | 2019-03-08 | 湖北工业大学 | A kind of method that both sexes polyesters polycarboxylate compound preparation subtracts jelly |
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| CN109534713B (en) * | 2018-12-27 | 2021-07-02 | 武汉优城科技有限公司 | Glue reducing agent for high-strength concrete and preparation method thereof |
| CN110386773A (en) * | 2019-06-28 | 2019-10-29 | 浙江老虎山建材有限公司 | A kind of concrete subtracts the preparation method of jelly |
| CN111646729A (en) * | 2020-05-15 | 2020-09-11 | 湖南武源建材有限责任公司 | Concrete glue reducing agent and preparation process thereof |
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| CN108083679B (en) | 2020-10-09 |
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