CN106630740A - Compound waterproofing agent for concrete and preparation method thereof - Google Patents
Compound waterproofing agent for concrete and preparation method thereof Download PDFInfo
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- CN106630740A CN106630740A CN201610867391.6A CN201610867391A CN106630740A CN 106630740 A CN106630740 A CN 106630740A CN 201610867391 A CN201610867391 A CN 201610867391A CN 106630740 A CN106630740 A CN 106630740A
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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
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/65—Water proofers or repellants
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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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a compound waterproofing agent for concrete and a preparation method thereof, and relates to the technical field of concrete waterproofing agents. The compound waterproofing agent for the concrete consists of a component A and a component B, wherein the component A consists of polyvinyl alcohol, a silane coupling agent, modified silicon resin, alkyl sulfonate, ethanolamine, an antifoaming agent, a retarder, a plasticizer and water; the component B consists of silicate, aluminum sulfate, slag, kaolin, potassium hydroxide, sodium nitrate and water. The waterproofing agent can be compounded to fully develop the effects of each component, has high hydrophobicity, weather resistance and permeability and strong bonding strength, and is extensive in material, low in production cost and particularly suitable for industrial large scale production, and the preparation method is simple.
Description
Technical field
The present invention relates to concrete waterproofer technical field, and in particular to a kind of concrete composite water-proof agent and its preparation
Method.
Background technology
Concrete is a kind of compound fragile material of multiphase, and its tensile strength is than relatively low (about the 1/20～1/ of compression strength
10), ultimate tensile strength also smaller (only 0.02%～0.03%).When it is during hydration and hardening, due to be dried shrink,
The inside tension that the reasons such as chemical shrinkage, Carbonization contract cause volume contraction to deform and produce is more than the tensile strength of itself
When, concrete occurs cracking phenomena, and this not only can destroy the impermeability of its structure, will also affect its durability, reinforcing bar
Stability and building security.Additionally, concrete or a kind of heterogeneous material, from macrostructure, concrete is
By different size and the also different particles of aggregates of shape and discontinuous hydrated cement slurry are constituted；From in microstructure, mix
Solidifying soil is by skewness and fine voids of different sizes are constituted.When these spaces form successively logical with what is be mutually linked
Lu Shi, the concrete being chronically exposed in natural environment is highly susceptible to moisture attack, and therefore its durability also will meet with
To destruction.Therefore, the concrete water-permeating passage that these cracking phenomenas and microscopic voids are caused how is reduced, so as to improve concrete
Impermeability and endurance quality will be one of problem that concrete water-proof material researcher is puted forth effort to study.
Used as one kind of waterproof material, waterproofing agent is cheap because easy construction, is widely applied.According to anti-
The method of sealing vapour invasion is different, and waterproofing agent can be divided into enclosed type and the big class of osmosis type two.Enclosed type waterproofing agent is by base material
Surface is formed about one layer of thin impermeable membrane, prevents liquid or the infiltration of gaseous steam, but while the pore of base material
Therefore it is blocked, so that vapor is not easy to evaporate in body of wall.And waterproof membrane is once destroyed, or long-term exposure
Come off out of doors, ftracture, then the outside globule will enter interior of building, lose Protection significance.Osmosis type waterproofing agent be by
Hydrophobic material is coated in after substrate surface, can penetrate inside base material, rather than obstructing air holes, is processed after base material with it, anti-
Allow vapor freely to come in and go out while only liquid water is entered, it is ensured that the waterproof and breathable performance of substrate surface, i.e., it is usually said
" respiratory ", but existing waterproofing agent water resistance is undesirable, therefore urgently research and develop it is a kind of with good water resistance,
The concrete waterproofer of endurance quality and self-healing performance.
The content of the invention
For the deficiencies in the prior art, the invention provides a kind of microstructure for improving concrete, cracking is anti-
Aqua, effectively improves the symptoms such as the cracking, infiltration of concrete, improves the impermeability and durability of concrete.
To realize object above, the present invention is achieved by the following technical programs：
A kind of concrete composite water-proof agent, is made up of component A and component B, wherein component A by following weight portion material
Composition：5～20 parts of polyvinyl alcohol, 0.5～5 part of silane coupler, 50～60 parts of modified silicone resin, 0～3 part of alkylsulfonate,
0.2～1 part of monoethanolamine, defoamer 0.1-0.5 parts, retarder 0.05-0.5 parts, plasticizer 2-8 parts, 80～100 parts of water；
Wherein component B by following weight portion material composition：5～25 parts of silicate, 5～15 parts of aluminum sulfate, slag 60～
80 parts, 10～20 parts of kaolin, 5～12 parts of potassium hydroxide, 3～5 parts of natrium nitrosum, 60～80 parts of water.
Preferably, component A by following weight portion material composition：15 parts of polyvinyl alcohol, 3 parts of silane coupler, change
50 parts of silicones of property, 3 parts of alkylsulfonate, 0.8 part of monoethanolamine, 0.3 part of defoamer, 0.28 part of retarder, 6 parts of plasticizer, water
100 parts.
Preferably, component B by following weight portion material composition：20 parts of silicate, 10 parts of aluminum sulfate, slag 60
Part, 15 parts of kaolin, 10 parts of potassium hydroxide, 3 parts of natrium nitrosum, 60 parts of water.
Preferably, the modified silicone resin is that epoxy modified silicone resin, polyurethane modified epoxy resin, acrylic acid change
One or two in property organic siliconresin.
Preferably, the retarder is disodium hydrogen phosphate, aluminium triphosphate, carboxymethyl hydroxyethyl cellulose, gluconic acid
One kind in sodium, sodium citrate, glucose.
Preferably, the addition of component A and component B is compared for 2～5:1.
A kind of preparation method of concrete composite water-proof agent, comprises the following steps：
(1) 60～90 DEG C are heated water to, polyvinyl alcohol, modified silicone resin and silane coupler is sequentially added, startup is stirred
Mix device, stir 5～10min, be incubated 2～3h, add alkylsulfonate and monoethanolamine to stir 3～5min, be eventually adding defoamer,
Retarder, plasticizer, after stirring, obtain component A；
(2) silicate and potassium hydroxide are added in water, 10～20min is stirred, aluminum sulfate, slag, kaolin, Asia is added
Sodium nitrate, after stirring, obtains component B.
Beneficial effects of the present invention：The concrete waterproofer of the present invention is formed by organic moiety and inorganic part, wherein gathering
The characteristics of vinyl alcohol good filming, bonding force, oil resistivity and solvent resistance, machine silicon waterproofing agent contains hydrophobic group, can prevent to
The immersion of water, makes concrete all the time in drying regime, and does not affect the gas permeability of concrete, and inorganic silicate can be with organic gel
Solidifying agent polyvinyl alcohol forms interpenetratingpolymernetworks, defines new polymer alloy, constitutes and forever twines the network knot for connecing
Structure, blocking and close capillary, reduce porosity, increased the performance of waterproof gel, improve concrete water proofing property, from
More property and packing.The waterproofing agent of the present invention can give full play to effect of each component Jing after compound, with good hydrophobicity,
Weatherability, permeability and good adhesive force, realize the multifunction and high-performance of waterproofing agent, and its preparation method is simple, material
Material source is wide, low production cost, is especially suitable for industrialization large-scale production.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.
Embodiment 1：
A kind of concrete composite water-proof agent, is made up of component A and component B, and its preparation method is comprised the following steps：
(1) 100 parts of water are heated to into 80 DEG C, sequentially add 15 parts of polyvinyl alcohol, 50 parts of acryl-modified silicone resin resins
With 3 parts of silane couplers, start agitator, stir 5～10min, be incubated 2～3h, add 3 parts of alkylsulfonates and 0.8 part of second
Hydramine stirs 3～5min, is eventually adding 0.3 part of defoamer, 0.28 part of disodium hydrogen phosphate, 6 parts of plasticizer, after stirring, obtains
To component A；
(2) 20 parts of silicate and 10 parts of potassium hydroxide are added in 60 parts of water, 10～20min is stirred, 10 parts of sulfuric acid are added
Aluminium, 60 parts of slags, 15 parts of kaolin, 3 parts of natrium nitrosums, after part stirs, obtain component B.
By weight it is 3 by component A and component B when using:1 is compounded, in adding concrete.
Embodiment 2：
A kind of concrete composite water-proof agent, is made up of component A and component B, and its preparation method is comprised the following steps：
(1) 100 parts of water are heated to into 60 DEG C, sequentially add 5 parts of polyvinyl alcohol, 53 parts of epoxy modified silicone resins and 2
Part silane coupler, starts agitator, stirs 5～10min, is incubated 2～3h, adds 2 parts of alkylsulfonates and 0.2 part of monoethanolamine
3～5min of stirring, is eventually adding 0.2 part of defoamer, 0.05 part of sodium gluconate, 5 parts of plasticizer, after stirring, obtains group
Divide A；
(2) 15 parts of silicate and 7.5 parts of potassium hydroxide are added in 60 parts of water, 10～20min is stirred, 15 parts of sulfuric acid are added
Aluminium, 80 parts of slags, 12 parts of kaolin, 5 parts of natrium nitrosums, after part stirs, obtain component B.
By weight it is 3 by component A and component B when using:1 is compounded, in adding concrete.
Embodiment 3：
A kind of concrete composite water-proof agent, is made up of component A and component B, and its preparation method is comprised the following steps：
(1) 80 parts of water are heated to into 80 DEG C, sequentially add 20 parts of polyvinyl alcohol, 30 parts of polyurethane modified epoxy resins, 20
Part polyurethane modified epoxy resin and 0.5 part of silane coupler, start agitator, stir 5～10min, are incubated 2～3h, add
0.5 part of monoethanolamine stirs 3～5min, is eventually adding 0.5 part of defoamer, 0.5 part of aluminium triphosphate, 2 parts of plasticizer, stirs
Afterwards, component A is obtained；
(2) in 80 parts of water plus 5 parts of silicate and 5 parts of potassium hydroxide, stir 10～20min, add 5 parts of aluminum sulfate, 65
Part slag, 10 parts of kaolin, 3 parts of natrium nitrosums, after part stirs, obtain component B.
By weight it is 4 by component A and component B when using:1 is compounded, in adding concrete.
Embodiment 4：
A kind of concrete composite water-proof agent, is made up of component A and component B, and its preparation method is comprised the following steps：
(1) 80 parts of water are heated to into 90 DEG C, sequentially add 10 parts of polyvinyl alcohol, 25 parts of epoxy modified silicone resins, 30
Part polyurethane modified epoxy resin and 1 part of silane coupler, start agitator, stir 5～10min, are incubated 2～3h, add 1.5
Part alkylsulfonate and 1 part of monoethanolamine stir 3～5min, are eventually adding 0.3 part of defoamer, 0.25 part of carboxy methyl hydroxyethyl fiber
Element, 8 parts of plasticizer, after stirring, obtain component A；
(2) 18 parts of silicate and 10 parts of potassium hydroxide are added in 60 parts of water, 10～20min is stirred, 8 parts of sulfuric acid are added
Aluminium, 60 parts of slags, 20 parts of kaolin, 5 parts of natrium nitrosums, after part stirs, obtain component B.
By weight it is 5 by component A and component B when using:1 is compounded, in adding concrete.
Embodiment 5：
A kind of concrete composite water-proof agent, is made up of component A and component B, and its preparation method is comprised the following steps：
(1) 100 parts of water are heated to into 80 DEG C, sequentially add 18 parts of polyvinyl alcohol, 60 parts of acryl-modified silicone resin resins
With 5 parts of silane couplers, start agitator, stir 5～10min, be incubated 2～3h, add 3 parts of alkylsulfonates and 0.5 part of second
Hydramine stirs 3～5min, is eventually adding 0.1 part of defoamer, 0.3 part of sodium citrate, 5 parts of plasticizer, after stirring, obtains group
Divide A；
(2) 25 parts of silicate and 12 parts of potassium hydroxide are added in 80 parts of water, 10～20min is stirred, 10 parts of sulfuric acid are added
Aluminium, 75 parts of slags, 18 parts of kaolin, 3 parts of natrium nitrosums, after part stirs, obtain component B.
By weight it is 2 by component A and component B when using：1 is compounded, in adding concrete.
To sum up, the embodiment of the present invention has the advantages that：The waterproofing agent of the present invention can give full play to each Jing after compound
Effect of component, with good hydrophobicity, weatherability, permeability and good adhesive force, realizes the multifunction of waterproofing agent
And high-performance, and its preparation method is simple, material source is wide, low production cost, is especially suitable for industrialization large-scale production.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that a series of process, method, article or equipment including key elements not only will including those
Element, but also including other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Above example only to illustrate technical scheme, rather than a limitation；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (7)
1. a kind of concrete composite water-proof agent, is made up of component A and component B, it is characterised in that wherein component A is by following heavy
The material composition of amount part：5～20 parts of polyvinyl alcohol, 0.5～5 part of silane coupler, 50～60 parts of modified silicone resin, alkyl sulfonic acid
0～3 part of salt, 0.2～1 part of monoethanolamine, defoamer 0.1-0.5 parts, retarder 0.05-0.5 parts, plasticizer 2-8 parts, water 80～
100 parts；
Wherein component B by following weight portion material composition：5～25 parts of silicate, 5～15 parts of aluminum sulfate, 60～80 parts of slag,
10～20 parts of kaolin, 5～12 parts of potassium hydroxide, 3～5 parts of natrium nitrosum, 60～80 parts of water.
2. concrete composite water-proof agent as claimed in claim 1, it is characterised in that component A is by following weight portion
Material composition：15 parts of polyvinyl alcohol, 3 parts of silane coupler, 50 parts of modified silicone resin, 3 parts of alkylsulfonate, 0.8 part of monoethanolamine,
0.3 part of defoamer, 0.28 part of retarder, 6 parts of plasticizer, 100 parts of water.
3. concrete composite water-proof agent as claimed in claim 2, it is characterised in that component B is by following weight portion
Material composition：20 parts of silicate, 10 parts of aluminum sulfate, 60 parts of slag, 15 parts of kaolin, 10 parts of potassium hydroxide, 3 parts of natrium nitrosum,
60 parts of water.
4. concrete composite water-proof agent as claimed in claim 3, it is characterised in that the modified silicone resin is epoxide modified
One or two in organic siliconresin, polyurethane modified epoxy resin, acryl-modified silicone resin resin.
5. concrete composite water-proof agent as claimed in claim 4, it is characterised in that the retarder be disodium hydrogen phosphate,
One kind in aluminium triphosphate, carboxymethyl hydroxyethyl cellulose, sodium gluconate, sodium citrate, glucose.
6. concrete composite water-proof agent as claimed in claim 5, it is characterised in that the addition ratio of component A and component B
For 2～5:1.
7. a kind of preparation method of the concrete composite water-proof agent as described in claim 1～6 is arbitrary, it is characterised in that bag
Include following steps：
(1) 60～90 DEG C are heated water to, polyvinyl alcohol, modified silicone resin and silane coupler is sequentially added, start agitator,
5～10min of stirring, is incubated 2～3h, adds alkylsulfonate and monoethanolamine to stir 3～5min, is eventually adding defoamer, slow setting
Agent, plasticizer, after stirring, obtain component A；
(2) silicate and potassium hydroxide are added in water, 10～20min is stirred, aluminum sulfate, slag, kaolin, nitrous acid is added
Sodium, after stirring, obtains component B.
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| CN201610867391.6A CN106630740A (en) | 2016-09-28 | 2016-09-28 | Compound waterproofing agent for concrete and preparation method thereof |
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| CN201610867391.6A CN106630740A (en) | 2016-09-28 | 2016-09-28 | Compound waterproofing agent for concrete and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483979A (en) * | 2018-04-04 | 2018-09-04 | 刘凡领 | A kind of cement waterproof agent |
| CN108516727A (en) * | 2018-04-24 | 2018-09-11 | 高传位 | A kind of ultra-high performance concrete waterproof complex liquid and preparation method thereof |
| CN110437735A (en) * | 2019-07-19 | 2019-11-12 | 东南大学 | Concrete surface water-repellent paint and preparation method thereof, application |
| CN111499257A (en) * | 2020-04-16 | 2020-08-07 | 武汉东方聚仁防水保温有限公司 | Self-cleaning waterproof anti-fouling material for concrete and preparation process thereof |
| CN114014583A (en) * | 2021-11-19 | 2022-02-08 | 广西筑园建材有限公司 | Multifunctional concrete waterproofing agent and preparation method thereof |
| CN114606957A (en) * | 2022-03-05 | 2022-06-10 | 山东鲁道建设工程有限公司 | Railway slope prefabricated assembled post-cast framework slope protection structure and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108483979A (en) * | 2018-04-04 | 2018-09-04 | 刘凡领 | A kind of cement waterproof agent |
| CN108516727A (en) * | 2018-04-24 | 2018-09-11 | 高传位 | A kind of ultra-high performance concrete waterproof complex liquid and preparation method thereof |
| CN108516727B (en) * | 2018-04-24 | 2021-01-01 | 高传位 | Ultra-high performance concrete waterproof composite liquid and preparation method thereof |
| CN110437735A (en) * | 2019-07-19 | 2019-11-12 | 东南大学 | Concrete surface water-repellent paint and preparation method thereof, application |
| CN110437735B (en) * | 2019-07-19 | 2021-07-27 | 东南大学 | Concrete surface waterproof coating and preparation method and application thereof |
| CN111499257A (en) * | 2020-04-16 | 2020-08-07 | 武汉东方聚仁防水保温有限公司 | Self-cleaning waterproof anti-fouling material for concrete and preparation process thereof |
| CN114014583A (en) * | 2021-11-19 | 2022-02-08 | 广西筑园建材有限公司 | Multifunctional concrete waterproofing agent and preparation method thereof |
| CN114014583B (en) * | 2021-11-19 | 2022-12-16 | 广西筑园建材有限公司 | Multifunctional concrete waterproofing agent and preparation method thereof |
| CN114606957A (en) * | 2022-03-05 | 2022-06-10 | 山东鲁道建设工程有限公司 | Railway slope prefabricated assembled post-cast framework slope protection structure and construction method thereof |
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Application publication date: 20170510 |