CN106746890A - A kind of concrete dense curing agent - Google Patents
A kind of concrete dense curing agent Download PDFInfo
- Publication number
- CN106746890A CN106746890A CN201611140779.2A CN201611140779A CN106746890A CN 106746890 A CN106746890 A CN 106746890A CN 201611140779 A CN201611140779 A CN 201611140779A CN 106746890 A CN106746890 A CN 106746890A
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- reaction solution
- concrete
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- curing agent
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Classifications
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a kind of concrete dense curing agent, its preparation method includes:According to lithium metasilicate:Ludox=1550.1~1818:450 mass ratio, the first reaction solution is mixed to prepare by lithium metasilicate solution and Ludox;According to solid catalyst:Water:Waterproofing agent=3:696.4~878.55:300 mass ratio, solid catalyst is soluble in water, and waterproofing agent is added, the second reaction solution is obtained;According to the first reaction solution:Second reaction solution:Surfactant=1818~2000.1:999.45~1181.55:0.5 mass ratio, the second reaction solution is added in the first reaction solution, adds surfactant, and is stood after well mixed, until solution is changed into clear after mixing, carries out decentralized processing, obtains concrete dense curing agent.The present invention can not only improve hardness and the abrasion resistance ratio of concrete, effectively prevent the intrusion of outside moisture, be not in the phenomenon of anti-alkali whiting, and reduce production cost, and preparation method is simple, will not bring secondary pollution.
Description
Technical field
The present invention relates to curing sealing agent field, more particularly to a kind of concrete dense curing agent.
Background technology
Curing sealing agent (also known as concrete dense curing agent) can penetrate into inside concrete, and with chemical substance therein
Generation chemical reaction forms gel, such that it is able to shrinkage concrete pore and crack, improves the packing of concrete, makes concrete
As an entirety for densification, this can greatly improve the various property such as the impervious, wear-resisting of concrete, Frozen-thawed cycled, case hardness
Can index.
Liquid hardening agent terrace is a kind of common terrace processing method, it be by with curing sealing agent to cement flooring
Processed to reach hardening and wear-resisting effect.In the prior art, the curing sealing agent that liquid hardening agent terrace is used
Mainly there are three kinds of sodium base curing sealing agent, potassium base curing sealing agent and lithium base curing sealing agent;But existing conventional sodium base sealing
Easily there is the phenomenon of anti-alkali whiting after long-term use in curing agent and potassium base curing sealing agent;Existing lithium base sealing and curing
Although agent is not in the phenomenon of anti-alkali whiting, but relatively costly, expensive.In order to reduce curing sealing agent it is overall into
This, generally uses lithium base curing sealing agent is used in mixed way with sodium base curing sealing agent or potassium base curing sealing agent in the prior art
Method, although this method to anti-alkali whiting have some improvement, cannot tackle the problem at its root.
The content of the invention
In order to solve the easily anti-alkali whiting of existing sodium base curing sealing agent and potassium base curing sealing agent, and existing lithium base is sealed
The expensive problem of curing agent, the invention provides a kind of concrete dense curing agent, can not only improve the hard of concrete
Degree and abrasion resistance ratio, effectively prevent the intrusion of outside moisture, are not in the phenomenon of anti-alkali whiting, and reduce and be produced into
This, preparation method is simple, will not bring secondary pollution.
The purpose of the present invention is achieved through the following technical solutions:
A kind of concrete dense curing agent, its preparation method is comprised the following steps:
Step A, according to lithium metasilicate:Ludox=1550.1~1818:450 mass ratio, lithium metasilicate solution and silicon is molten
Glue mixes, so as to the first reaction solution is obtained;
Step B, according to solid catalyst:Water:Waterproofing agent=3:696.4~878.55:300 mass ratio, solid is urged
Agent is soluble in water, and adds waterproofing agent, so as to the second reaction solution is obtained;
Step C, according to the first reaction solution:Second reaction solution:Surfactant=1818~2000.1:999.45~
1181.55:0.5 mass ratio, second reaction solution is added in first reaction solution, is stirred while adding, and
Both are thoroughly mixed within 5 minutes, add surfactant, and stood after well mixed, until solution after mixing
It is changed into clear;Then using dispersion machine to being changed into the mixing of clear after solution carry out decentralized processing, so as to obtain liquid
The concrete dense curing agent of body.
Preferably, in the decentralized processing of step C, the rotating speed of dispersion machine is 1000 turns, and the decentralized processing time is 30min.
Preferably, described solid catalyst is at least one in potassium metaaluminate or sodium metaaluminate.
Preferably, described waterproofing agent is at least one in sodium methyl silicate or potassium methyl silicate.
Preferably, described surfactant is at least in neopelex or lauryl sodium sulfate
Kind.
As seen from the above technical solution provided by the invention, the concrete sealing and curing that the embodiment of the present invention is provided
Agent by adding Ludox to increase the modulus of lithium metasilicate in raw material lithium metasilicate solution, so as to prepare the lithium base of high mode
Curing sealing agent;The lithium base curing sealing agent of this high mode can drop not only it is possible to prevente effectively from anti-alkali whiting
Low production cost, is strengthened the abrasion resistance ratio of concrete and hardness, and the abrasion resistance ratio of particularly concrete is greatly improved, high
In commercially available most of curing sealing agent product, be conducive to opening up markets.Additionally, concrete sealing and curing provided by the present invention
Agent is also added into catalyst, waterproofing agent and surfactant while Ludox is added in lithium metasilicate solution;Catalyst and
The addition of surfactant can be such that the lithium base curing sealing agent of the high mode is rapidly soaked into concrete, and promote Gao Mo
Chemical substance in several lithium base curing sealing agent and concrete reacts generation gel, such that it is able to shrinkage concrete pore
And crack, concrete is turned into an entirety for densification, so that the impervious, wear-resisting of concrete, Frozen-thawed cycled, case hardness etc.
Various performance indications are significantly beyond national standard.And the addition of waterproofing agent can make using the concrete of the curing sealing agent
Outside moisture can be effectively prevented to invade, it is the effect of 0 (hardly absorbing water) that can reach 24 hours water absorptions, so as to avoid
Chlorion and acid ion are invaded in concrete with moisture, effectively protect concrete, substantially increase concrete
Service life.
Specific embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.Based on embodiments of the invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not paid, belongs to protection scope of the present invention.
Concrete dense curing agent provided by the present invention is described in detail below.
A kind of concrete dense curing agent, its preparation method is comprised the following steps:
Step A, according to lithium metasilicate:Ludox=1550.1~1818:450 mass ratio, lithium metasilicate solution and silicon is molten
Glue mixes, so as to the first reaction solution is obtained.
Step B, according to solid catalyst:Water:Waterproofing agent=3:696.4~878.55:300 mass ratio, solid is urged
Agent is soluble in water, and adds waterproofing agent, so as to the second reaction solution is obtained.
Step C, according to the first reaction solution:Second reaction solution:Surfactant=1818~2000.1:999.45~
1181.55:0.5 mass ratio, second reaction solution is added in first reaction solution, is stirred while adding, and
Both are thoroughly mixed within 5 minutes, add surfactant, and stood after well mixed, until solution after mixing
It is changed into clear (solution is changed into clear after can making mixing after under normal circumstances, standing 1 day);Then in dispersion machine
Capable dispersion is rotated into rotating speed as 1000 on (dispersion machine can use dispersing apparatus of the prior art), the decentralized processing time is
30 minutes, so as to obtain the concrete dense curing agent of liquid;The concrete dense curing agent is that a kind of lithium base of high mode is close
Curing agent product.
Specifically, described solid catalyst is preferably with least one in potassium metaaluminate or sodium metaaluminate.Described
Waterproofing agent is preferably with least one in sodium methyl silicate or potassium methyl silicate.Described surfactant is preferably with 12
At least one in sodium alkyl benzene sulfonate or lauryl sodium sulfate.
Further, compared with concrete dense curing agent of the prior art, concrete sealing provided by the present invention
Curing agent comes not by the mode that sodium base curing sealing agent or potassium base curing sealing agent are mixed into lithium base curing sealing agent
Production cost is reduced, but by adding Ludox to increase the modulus of lithium metasilicate in raw material lithium metasilicate solution, so as to prepare
The lithium base curing sealing agent of high mode is gone out;The lithium base curing sealing agent of this high mode is not only it is possible to prevente effectively from there is anti-alkali
Whiting, and production cost can be reduced, strengthened the abrasion resistance ratio of concrete and hardness, especially abrasion resistance ratio
It is higher than even more commercially available most of curing sealing agent product, is conducive to opening up markets.Additionally, concrete dense provided by the present invention
Curing agent is also added into catalyst, waterproofing agent and surfactant while Ludox is added in lithium metasilicate solution;Urge
The addition of agent and surfactant can be such that the lithium base curing sealing agent of the high mode is rapidly soaked into concrete, and promote
The chemical substance entered in the lithium base curing sealing agent of high mode and concrete reacts generation gel, such that it is able to shrink coagulation
Native pore and crack, make concrete turn into an entirety for densification, make the impervious, wear-resisting of concrete, Frozen-thawed cycled, case hardness
Etc. various performance indications significantly beyond national standard.And the addition of waterproofing agent can make using the coagulation of the curing sealing agent
Soil can effectively prevent outside moisture from invading, and it is the effect of 0 (hardly absorbing water) that can reach 24 hours water absorptions, so as to keep away
Exempt from during chlorion and acid ion invade concrete with moisture, effectively to protect concrete, substantially increased concrete
Service life.
It can be seen that, the present invention can not only improve hardness and the abrasion resistance ratio of concrete, effectively prevent outside moisture from invading, no
Anti- alkali whiting occurs, and reduces production cost, preparation method is simple, will not bring secondary pollution.
In order to more clearly from show technical scheme provided by the present invention and produced technique effect, below with tool
The concrete dense curing agent that body embodiment is provided the embodiment of the present invention is described in detail.
Embodiment 1
A kind of concrete dense curing agent, its preparation method is comprised the following steps:
Step A2,1550.1g lithium metasilicates are mixed with 450g Ludox, stir 5min, so as to the first reaction solution is obtained.
Step B2,3g solid catalysts are dissolved in 696.45g water, and add 300g waterproofing agents, 5min is stirred, so as to make
Obtain the second reaction solution.
Step C2, obtained second reaction solution in step B2 is all slowly added into obtained first reaction in step A2
In liquid, stir while adding, and be thoroughly mixed both within 5 minutes, add 0.50g surfactants, and stir
5min makes to stand the time of about 1 day after being well mixed, until solution is changed into clear after mixing;Then dispersion machine pair is used
Solution carries out decentralized processing after being changed into the mixing of clear, and the rotating speed of dispersion machine is 1000 turns, and the decentralized processing time is 30 points
Clock, so as to obtain the lithium base curing sealing agent of high mode.
Specifically, in the embodiment of the present invention 2, described solid catalyst using in potassium metaaluminate or sodium metaaluminate extremely
Few one kind, described waterproofing agent using at least one in sodium methyl silicate or potassium methyl silicate, adopt by described surfactant
With at least one in neopelex or lauryl sodium sulfate.
Comparative example
A kind of concrete dense curing agent, its preparation method is comprised the following steps:
Step A ', 3g solid catalysts are dissolved in 878.55g water, and add 300g waterproofing agents, 5min is stirred, so as to make
Reaction solution must be contrasted.
Step B ', by step A ' it is obtained contrast reaction solution be all slowly added into 1818g lithium metasilicate solution, Bian Jia
Enter side stirring, 0.50g surfactants are added after being well mixed, and stirs 5min makes to stand 1 day after solution is well mixed
Time, until solution is changed into clear after mixing;Then using dispersion machine to being changed into the mixing of clear after solution carry out
Decentralized processing, the rotating speed of dispersion machine is 1000 turns, and the decentralized processing time is 30 minutes, so as to obtain simple lithium base sealing and curing
Agent.
Specifically, in comparative example, described solid catalyst uses at least one in potassium metaaluminate or sodium metaaluminate,
Described waterproofing agent uses dodecane using at least one in sodium methyl silicate or potassium methyl silicate, described surfactant
At least one in base benzene sulfonic acid sodium salt or lauryl sodium sulfate.
Performance detection
To simple lithium obtained in the lithium base curing sealing agent and comparative example of high mode obtained in the embodiments of the present invention 1
Base curing sealing agent carries out performance detection, as follows so as to obtain testing result:Obtained lithium in the embodiment of the present invention 1 and comparative example
24 hours water absorptions of base curing sealing agent are 0;The lithium base curing sealing agent of high mode obtained in the embodiment of the present invention 1 it is resistance to
Grit ratio is 260%, and the abrasion resistance ratio of simple lithium base curing sealing agent is 230% obtained in comparative example;It can be seen that, the present invention is implemented
The lithium base curing sealing agent of high mode obtained in example 1 is improved than the abrasion resistance ratio of simple lithium base curing sealing agent.
In sum, the embodiment of the present invention can not only improve hardness and the abrasion resistance ratio of concrete, effectively prevent the external world
The intrusion of moisture, is not in the phenomenon of anti-alkali whiting, and reduces production cost, and preparation method is simple, will not bring two
Secondary pollution.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (5)
1. a kind of concrete dense curing agent, it is characterised in that its preparation method is comprised the following steps:
Step A, according to lithium metasilicate:Ludox=1550.1~1818:450 mass ratio, lithium metasilicate solution and Ludox are mixed
Close, so as to the first reaction solution is obtained;
Step B, according to solid catalyst:Water:Waterproofing agent=3:696.4~878.55:300 mass ratio, by solid catalyst
It is soluble in water, and waterproofing agent is added, so as to the second reaction solution is obtained;
Step C, according to the first reaction solution:Second reaction solution:Surfactant=1818~2000.1:999.45~1181.55:
0.5 mass ratio, second reaction solution is added in first reaction solution, is stirred while adding, and 5 minutes it
It is interior to be thoroughly mixed both, surfactant is added, and stood after well mixed, until solution is changed into clarification thoroughly after mixing
It is bright;Then using dispersion machine to being changed into the mixing of clear after solution carry out decentralized processing, so as to obtain the concrete of liquid
Curing sealing agent.
2. concrete dense curing agent according to claim 1, it is characterised in that in the decentralized processing of step C, dispersion
The rotating speed of machine is 1000 turns, and the decentralized processing time is 30min.
3. concrete dense curing agent according to claim 1 and 2, it is characterised in that described solid catalyst is inclined
At least one in potassium aluminate or sodium metaaluminate.
4. concrete dense curing agent according to claim 1 and 2, it is characterised in that described waterproofing agent is methyl silicon
At least one in sour sodium or potassium methyl silicate.
5. concrete dense curing agent according to claim 1 and 2, it is characterised in that described surfactant is ten
At least one in dialkyl benzene sulfonic acids sodium or lauryl sodium sulfate.
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CN201611140779.2A CN106746890A (en) | 2016-12-12 | 2016-12-12 | A kind of concrete dense curing agent |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107954624A (en) * | 2017-12-15 | 2018-04-24 | 苏州金润新材料科技有限公司 | A kind of concrete silicon crystal curing agent |
CN108163899A (en) * | 2017-12-18 | 2018-06-15 | 翟琳 | A kind of stable type iron oxide red curing sealing agent and preparation method thereof |
CN108929097A (en) * | 2018-08-22 | 2018-12-04 | 富思特新材料科技发展股份有限公司 | A kind of danger Old building exterior insulation engineering reinforcing interfacial agents and preparation method thereof |
CN109534852A (en) * | 2018-12-29 | 2019-03-29 | 华砂砂浆有限责任公司 | A kind of osmosis type liquid hardening agent and preparation method thereof |
CN110482996A (en) * | 2019-08-21 | 2019-11-22 | 苏州市兴邦化学建材有限公司 | A kind of concrete dense curing agent and its preparation method and application |
CN112777599A (en) * | 2021-01-08 | 2021-05-11 | 中国科学院青岛生物能源与过程研究所 | Preparation method and application of waxberry-shaped nano silicon particles |
CN113480285A (en) * | 2021-08-16 | 2021-10-08 | 安徽列首新材料科技有限公司 | Concrete sealing curing agent and preparation method thereof |
CN113582724A (en) * | 2021-08-26 | 2021-11-02 | 苏州市兴邦化学建材有限公司 | Colorful sealing and curing well lid and preparation method thereof |
CN114634327A (en) * | 2021-12-27 | 2022-06-17 | 德爱威(中国)有限公司 | Pure lithium-based sealing curing agent and preparation method thereof |
CN114956655A (en) * | 2022-05-24 | 2022-08-30 | 浙江雅杰建材有限公司 | Preparation method of rare earth curing agent for cement sealing |
TWI818700B (en) * | 2022-08-30 | 2023-10-11 | 均安順科技有限公司 | concrete floor hardener |
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CN106146035A (en) * | 2016-07-05 | 2016-11-23 | 厦门诺恩斯科技有限公司 | A kind of lithium base nano-concrete curing agent and construction method thereof |
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CN102030560A (en) * | 2010-11-13 | 2011-04-27 | 上海交通大学 | Aqueous concrete seal hardener and preparation method thereof |
CN104844269A (en) * | 2015-05-04 | 2015-08-19 | 中国建筑股份有限公司 | Inorganic silicate waterproof agent with depth permeability and filling property and preparation method of waterproof agent |
CN106146035A (en) * | 2016-07-05 | 2016-11-23 | 厦门诺恩斯科技有限公司 | A kind of lithium base nano-concrete curing agent and construction method thereof |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107954624A (en) * | 2017-12-15 | 2018-04-24 | 苏州金润新材料科技有限公司 | A kind of concrete silicon crystal curing agent |
CN108163899A (en) * | 2017-12-18 | 2018-06-15 | 翟琳 | A kind of stable type iron oxide red curing sealing agent and preparation method thereof |
CN108929097A (en) * | 2018-08-22 | 2018-12-04 | 富思特新材料科技发展股份有限公司 | A kind of danger Old building exterior insulation engineering reinforcing interfacial agents and preparation method thereof |
CN108929097B (en) * | 2018-08-22 | 2021-10-12 | 富思特新材料科技发展股份有限公司 | Reinforcing interface agent for external thermal insulation engineering of external wall of old-danger building and preparation method thereof |
CN109534852A (en) * | 2018-12-29 | 2019-03-29 | 华砂砂浆有限责任公司 | A kind of osmosis type liquid hardening agent and preparation method thereof |
CN110482996A (en) * | 2019-08-21 | 2019-11-22 | 苏州市兴邦化学建材有限公司 | A kind of concrete dense curing agent and its preparation method and application |
CN112777599A (en) * | 2021-01-08 | 2021-05-11 | 中国科学院青岛生物能源与过程研究所 | Preparation method and application of waxberry-shaped nano silicon particles |
CN113480285A (en) * | 2021-08-16 | 2021-10-08 | 安徽列首新材料科技有限公司 | Concrete sealing curing agent and preparation method thereof |
CN113582724A (en) * | 2021-08-26 | 2021-11-02 | 苏州市兴邦化学建材有限公司 | Colorful sealing and curing well lid and preparation method thereof |
CN114634327A (en) * | 2021-12-27 | 2022-06-17 | 德爱威(中国)有限公司 | Pure lithium-based sealing curing agent and preparation method thereof |
CN114956655A (en) * | 2022-05-24 | 2022-08-30 | 浙江雅杰建材有限公司 | Preparation method of rare earth curing agent for cement sealing |
TWI818700B (en) * | 2022-08-30 | 2023-10-11 | 均安順科技有限公司 | concrete floor hardener |
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