CN110527327A - A kind of method of preparation and use of high rigidity damp-proofing ground floor curing agent - Google Patents
A kind of method of preparation and use of high rigidity damp-proofing ground floor curing agent Download PDFInfo
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- CN110527327A CN110527327A CN201910804755.XA CN201910804755A CN110527327A CN 110527327 A CN110527327 A CN 110527327A CN 201910804755 A CN201910804755 A CN 201910804755A CN 110527327 A CN110527327 A CN 110527327A
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- curing agent
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to terrace technical fields, it is desirable to provide a kind of method of preparation and use of high rigidity damp-proofing ground floor curing agent.It include: that methyl orthosilicate is added into ethyl alcohol under stiring, it is lasting to stir；Divide 20 addition aqueous hydrochloric acid solutions, lasting stirring after the completion of addition；Silica sol is continuously added, is aged 2 days after stirring；By in the complex sol and isopropanol addition nanometer terrace curing agent after ageing, stir；Then hardening accelerator is added, stirs to get high rigidity damp-proofing ground floor curing agent.The present invention is added in terrace curing agent using colloidal silica as super hydrophilic material, silica material has excellent stability as super hydrophilic material, can also castering action be played to the hardness of terrace simultaneously, terrace is made to generate super hydrophilicity to play moisture-proof effect.
Description
Technical field
The present invention relates to terrace technical field, the preparation of especially a kind of high rigidity damp-proofing ground floor curing agent and user
Method.
Background technique
With the development of economy with the raising of living standards of the people, the needs of the large-scale terrace of high quality are got in public place
Come bigger, various functional form terraces come into being.Yellow plum day in air humidity big season such as southern area, terrace, which exists, to be returned
The phenomenon of tide not only influences beauty, also brings many inconvenience using upper.The moisture-proof means of terrace used at present are mainly from terrace
Structure design on increase damp-proof layer and reach, if Chinese utility model patent CN201820484044.X is by middle layer
It reserves hole and reaches moisture-proof purpose to upper layer air-supply, Chinese utility model patent CN201621354216.9 is then by centre
Layer plus one layer of air layer reach moisture-proof function.Such methods technique is relatively complicated, and difficulty of construction is larger.The present invention is hard from terrace
It proposes that a kind of super hydrophilic material is added on the design of material of agent, reaches moisture-proof purpose in conjunction with the characteristics of high rigidity terrace.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, provide a kind of high rigidity damp-proofing ground floor
The method of preparation and use of curing agent.
A kind of preparation method of high rigidity damp-proofing ground floor curing agent is provided, is included the following steps:
(1) at 0~10 DEG C of temperature and stirring condition, the positive silicic acid of 40~50 mass parts is added into 40 mass parts ethyl alcohol
Methyl esters persistently stirs 10min；Divide the aqueous hydrochloric acid solution that the molar concentrations of 20 5~10 mass parts of addition are 2M, every minor tick
20min persistently stirs 10h after the completion of addition；
(2) under agitation, the silica sol of 40~60 mass parts is added in the mixture obtained to step (1)；
Continue to stir 30min, and is aged 2 days at 25 DEG C；
(3) the nanometer terrace that 70~50 mass parts are added in the complex sol after ageing and the isopropanol of 10 mass parts is hardened
In agent, 30min is stirred；Then the hardening accelerator for accounting for its mass ratio 3~5 ‰ is added into mixture, stirs 30min, finally
Obtain high rigidity damp-proofing ground floor curing agent.
In the present invention, the stirring rate in the step (1) is 100r/min.
In the present invention, the stirring rate in the step (2) is 100~200r/min.
In the present invention, the solid content of the silica sol is 20%, and the granularity of sol particle is 3~5nm, used in colloidal sol
Solvent is propylene glycol monomethyl ether.
In the present invention, the nanometer terrace curing agent is based on the solvent type inorganic nano on the basis of silanol salt hydrolysis pre-polymerization
Curing agent, solid content is 60% or more, and pH value is between 6~8.
In the present invention, the hardening accelerator is stanniferous crosslinking agent.
In the present invention, the hardening accelerator is dibutyl tin dilaurate, purity 95%.
Invention further provides the application method for the high rigidity damp-proofing ground floor curing agent that preceding method prepares, tools
Body the following steps are included:
(1) the self-leveling cement terrace that strength grade of concrete is C20 or C30 is polished flat with 200 mesh polished silicon wafers, is pressed
The dosage of 1 kilogram/square metre topples over the high rigidity damp-proofing ground floor curing agent in terrace surface, smears uniform；
(2) it is covered on terrace with plastic film, opens plastic film after standing 2 hours；After naturally dry 8 hours, then
With 200~300 mesh polished silicon wafers polishing terrace.
Inventive principle description:
Nanometer terrace curing agent based on silanol salt hydrolysis pre-polymerization has hardness high, chemically-resistant pollution, durability good etc. excellent
Point can be applied to the various type terrace surfaces such as concrete, cement, after hardening accelerator is added, mixed by way of infiltration
Solidifying soil or cement surface form one layer of hardened layer, to reach hardening and the dust removing effects of cement.It is a kind of novel high-performance
Floor material.
For terrace Moisture Regain mainly due to a large number of water molecules is contained in humid air, these hydrones are easily accumulated on table
The face biggish terrace surface of energy forms water droplet or large stretch of moisture film, and generally, this surface is generally higher than 30 ° to the contact angle of water,
Although adsorbable hydrone, water droplet drawout cannot be made.And the surface (contact angle is less than 5 °) with super hydrophilic function is then
With good water droplet tiling performance, good dampproof effect can be played.Can present invention introduces granularity only 3-5nm is nano oxidized
Silicon is a kind of inorganic oxide that property is stable, and a large amount of activity hydroxies are contained on surface, is had well in conjunction with moisture in air
Ability.It by the way that little particle nano silicon oxide is added in curing agent, and is evenly distributed on it in terrace, is terrace with super close
Aqueous energy (contact angle is less than 5 °) can make terrace uniformly and effectively adsorb moisture in air, and pass to terrace lower layer, avoid
There is the state of terrace surface water droplet aggregation, to realize the moisture-proof of terrace.
Compared with prior art, the solution have the advantages that:
The present invention is added in terrace curing agent using colloidal silica as super hydrophilic material, silica material conduct
Super hydrophilic material has excellent stability, while can also play castering action to the hardness of terrace, generates terrace super hydrophilic
Performance is to play moisture-proof effect.
Specific embodiment
In the present invention, the colloidal silica, nanometer terrace curing agent, hardening accelerator are commercial products.Example
Such as, the colloidal silica in following embodiments has selected the GL- of Jinhua Co., Ltd, Ge Ling functional coating material research institute
006 product；The solid content of the silica sol is 20%, and the granularity of sol particle is 3~5nm, and colloidal sol solvent for use is the third two
Alcohol methyl ether.Nanometer terrace curing agent has selected the nanometer curing agent X760 of Hangzhou Na Gu new material Co., Ltd, this nanometer of terrace
Curing agent is based on the solvent type inorganic nano curing agent on the basis of silanol salt hydrolysis pre-polymerization, and solid content is 60% or more, pH value
Between 6~8.Hardening accelerator is selected from Aladdin reagent, article No. D100274；The effective component of the hardening accelerator is February
Dilaurylate, purity 95%.
The present invention will be further described below by way of example.
Embodiment 1
0 DEG C at a temperature of, under the stirring condition of 100r/min, the positive silicon of 40 mass parts is added into 40 mass parts ethyl alcohol
Sour methyl esters stirs 10min, the aqueous hydrochloric acid solution that the molar concentration of point 20 5 mass parts of addition is 2M, every minor tick 20min, so
After stir 10hr；Under the stirring condition of 100r/min, the colloidal silica that 40 mass parts are added stirs 30min, 25
It is aged 2 days at DEG C；Complex sol after ageing is added in the nanometer terrace curing agent of 70 mass parts, continuously adds 10 mass parts
Isopropanol；After stirring 30min, the hardening accelerator for accounting for its mass ratio 3 ‰ is added into mixture, is stirred for 30min, finally
Obtain high rigidity damp-proofing ground floor curing agent.
The application method of the high rigidity damp-proofing ground floor curing agent is following (following embodiment and comparative example are all the same):
After the self-leveling cement terrace that strength grade of concrete is C20 or C30 is polished flat with 200 mesh polished silicon wafers, by 1
The amount of kilogram/square metre topples over high rigidity damp-proofing ground floor curing agent in terrace surface, then smears uniform；It is covered with plastic film
On terrace, plastic film is opened after standing 2 hours；After naturally dry 8 hours, it is with 200~300 mesh polished silicon wafers polishing terrace
It can.
Embodiment 2
5 DEG C at a temperature of, under the stirring condition of 100r/min, the positive silicon of 45 mass parts is added into 40 mass parts ethyl alcohol
Sour methyl esters stirs 10min, the aqueous hydrochloric acid solution that the molar concentration of point 20 7 mass parts of addition is 2M, every minor tick 20min, so
After stir 10hr；Under the stirring condition of 200r/min, the colloidal silica that 50 mass parts are added stirs 30min, 25
It is aged 2 days at DEG C；Complex sol after ageing is added in the nanometer terrace curing agent of 60 mass parts, continuously adds 10 mass parts
Isopropanol；After stirring 30min, the hardening accelerator for accounting for its mass ratio 4 ‰ is added into mixture, is stirred for 30min, finally
Obtain high rigidity damp-proofing ground floor curing agent.
Embodiment 3
10 DEG C at a temperature of, under the stirring condition of 100r/min, 50 mass parts are being added just into 40 mass parts ethyl alcohol
Methyl silicate stirs 10min, the aqueous hydrochloric acid solution that the molar concentration of point 20 10 mass parts of addition is 2M, every minor tick 20min,
Then 10hr is stirred；Under the stirring condition of 150r/min, the colloidal silica that 60 mass parts are added stirs 30min, In
It is aged 2 days at 20 DEG C；Complex sol after ageing is added in the nanometer terrace curing agent of 50 mass parts, continuously adds 10 mass
The isopropanol of part；After stirring 30min, the hardening accelerator for accounting for its mass ratio 5 ‰ is added into mixture, is stirred for 30min, most
High rigidity damp-proofing ground floor curing agent is obtained eventually.
Comparative example 1
10 DEG C at a temperature of, under the stirring condition of 100r/min, 50 mass parts are being added just into 40 mass parts ethyl alcohol
Methyl silicate stirs 10min, the aqueous hydrochloric acid solution that the molar concentration of point 20 10 mass parts of addition is 2M, every minor tick 20min,
Then 10hr is stirred；It is aged 2 days at 20 DEG C；Complex sol after ageing is added to the nanometer terrace curing agent of 70 mass parts again
In, continuously add the isopropanol of 10 mass parts；After stirring 30min, the hardening promotion for accounting for its mass ratio 5 ‰ is added into mixture
Agent is stirred for 30min, finally obtains high rigidity terrace curing agent.
Table 1 is that the performance of different instances coagulation soil sample block compares, and the contact angle of sample is detected by contact angle instrument.
Table 1
| Sample | Example 1 | Example 2 | Example 3 | Comparative example 1 |
| Contact angle (°) | 4 | 2 | 2 | 45 |
| Mohs' hardness | 7 | 7 | 8 | 7 |
| Wear resistance ratio | 352 | 330 | 361 | 380 |
By data in table as it can be seen that within the scope of test request, compare with the sample (comparative example 1) for being not added with little particle silica
Compared with the hydrophilicity for the terrace sample that the present invention prepares significantly improves (contact angle is respectively less than 5 °).Meanwhile example 3 is mixed
The Mohs' hardness of solidifying soil sample block also improves.
Claims (8)
1. a kind of preparation method of high rigidity damp-proofing ground floor curing agent, which comprises the steps of:
(1) at 0~10 DEG C of temperature and stirring condition, the positive silicic acid first of 40~50 mass parts is added into 40 mass parts ethyl alcohol
Ester persistently stirs 10min；Divide the aqueous hydrochloric acid solution that the molar concentrations of 20 5~10 mass parts of addition are 2M, every minor tick
20min persistently stirs 10h after the completion of addition；
(2) under agitation, the silica sol of 40~60 mass parts is added in the mixture obtained to step (1)；Continue
30min is stirred, and is aged 2 days at 25 DEG C；
(3) complex sol after ageing and the isopropanol of 10 mass parts are added to the nanometer terrace curing agent of 70~50 mass parts
In, stir 30min；Then the hardening accelerator for accounting for its mass ratio 3~5 ‰ is added into mixture, stirs 30min, it is final to obtain
To high rigidity damp-proofing ground floor curing agent.
2. the method according to claim 1, wherein the stirring rate in the step (1) is 100r/min.
3. the method according to claim 1, wherein the stirring rate in the step (2) is 100~200r/
min。
4. the method according to claim 1, wherein the solid content of the silica sol be 20%, colloidal sol
The granularity of grain is 3~5nm, and colloidal sol solvent for use is propylene glycol monomethyl ether.
5. the method according to claim 1, wherein the nanometer terrace curing agent is pre- based on silanol salt hydrolysis
Solvent type inorganic nano curing agent on the basis of poly-, solid content is 60% or more, and pH value is between 6~8.
6. the method according to claim 1, wherein the hardening accelerator is stanniferous crosslinking agent.
7. the method according to claim 1, wherein the hardening accelerator is dibutyl tin dilaurate,
Purity is 95%.
8. the application method for the high rigidity damp-proofing ground floor curing agent that claim 1 the method prepares, which is characterized in that tool
Body the following steps are included:
(1) the self-leveling cement terrace that strength grade of concrete is C20 or C30 is polished flat with 200 mesh polished silicon wafers, by 1 public affairs
The dosage of jin/square metre topples over the high rigidity damp-proofing ground floor curing agent in terrace surface, smears uniform；
(2) it is covered on terrace with plastic film, opens plastic film after standing 2 hours；After naturally dry 8 hours, then with 200
~300 mesh polished silicon wafers polishing terrace.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910804755.XA CN110527327A (en) | 2019-08-28 | 2019-08-28 | A kind of method of preparation and use of high rigidity damp-proofing ground floor curing agent |
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| CN201910804755.XA CN110527327A (en) | 2019-08-28 | 2019-08-28 | A kind of method of preparation and use of high rigidity damp-proofing ground floor curing agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112592204A (en) * | 2020-12-14 | 2021-04-02 | 浙江大学温州研究院 | Preparation and use method of high-hardness anti-skid concrete floor hardening agent |
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| CN101153126A (en) * | 2002-03-27 | 2008-04-02 | 住友大阪水泥株式会社 | Hydrophilic film, process for producing the same, and paint for formation of hydrophilic film |
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2019
- 2019-08-28 CN CN201910804755.XA patent/CN110527327A/en active Pending
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| CN101153126A (en) * | 2002-03-27 | 2008-04-02 | 住友大阪水泥株式会社 | Hydrophilic film, process for producing the same, and paint for formation of hydrophilic film |
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Application publication date: 20191203 |