CN108439855A - Iso-octyl triethoxy paste silane and preparation method thereof - Google Patents
Iso-octyl triethoxy paste silane and preparation method thereof Download PDFInfo
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- CN108439855A CN108439855A CN201810456425.1A CN201810456425A CN108439855A CN 108439855 A CN108439855 A CN 108439855A CN 201810456425 A CN201810456425 A CN 201810456425A CN 108439855 A CN108439855 A CN 108439855A
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- Prior art keywords
- iso
- octyl triethoxy
- paste
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- 1500rpm
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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
- C04B2103/61—Corrosion inhibitors
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of iso-octyl triethoxy paste silane, component and proportioning are following (gross mass is in terms of 100 parts)：
Description
Technical field
The present invention relates to building coating fields, and in particular to iso-octyl triethoxy paste silane and preparation method thereof.
Background technology
Due to concrete carbonization, chloride ion corrosion, freeze-thaw damage etc., lead to Steel Bars in Concrete Structure corrosion, mixes
For solidifying soil along the destructions such as muscle spalling and peeling, this has become the main problem for influencing concrete structure durability.Research both domestic and external
Show that buildings waterproof is the effective ways for improving concrete structure durability.But there is also all for current concrete water-proof coating
It is mostly insufficient：
Patent CN101560221 describes a kind of concrete surface penetration silane low polymer and preparation method thereof, prepares step
It is rapid as follows：A part of alkenyl alkoxy silane and a small amount of initiator are put into reactor first, leads to nitrogen and excludes air, stirring
0.5~4 hour；Then remaining alkenyl alkoxy silane and a small amount of initiator is added dropwise, controlling reaction temperature is 40 DEG C~140
DEG C, it is added dropwise in 0.5~7 hour, continues heat preservation 3~15 hours；It is eventually adding reaction terminating agent, is used after natural cooling
Activated carbon adsorption residual initiator filters to obtain product.The preparation process is relative complex, and operation difficulty is big, and the reaction time is long, heat
Consumption is high, and silane low polymer product is because molecular weight is compared with disaster infiltration.
Chinese patent CN1727432 describes a kind of preparation method of waterproofing agent of organosilicon in paste form, first by deionized water, breast
Agent, neutralizer add the dimethyl silicone polymer oligomer of the active reaction end group of low molecular weight by certain mixing,
Pre-emulsion is made in decentralized processing, adds catalyst, and 15~22 hours polymerisations are passed through at 0 DEG C~40 DEG C, obtain paste
Waterproofing agent of organosilicon, product viscosity are 106~4 × 106mm2/S.This preparation method complex process, the reaction time is long, passes through
What polymerisation obtained is high molecular material, and product viscosity is big, is deposited in the penetrating power and workability of concrete structural surface
In deficiency.
Invention content
In order to solve the above technical problems, the present invention proposes iso-octyl triethoxy paste silane and preparation method thereof, with
Reach optimization preparation process, shorten the reaction time, improve product viscosity, improve concrete structural surface penetrating power and apply
The purpose of work performance.
In order to achieve the above objectives, technical scheme is as follows：
A kind of iso-octyl triethoxy paste silane includes iso-octyl triethoxy paste silane, deionized water, organic
Solvent, siloxane oligomer, emulsifier, fungicide, pH adjusting agent, component are following (gross mass is in terms of 100 parts)：
Preferably, the organic solvent appointing in petroleum ether, solvent naphtha, low molecular weight dimethyl silicone polymer
It anticipates a kind of or arbitrary several mixtures mixed with arbitrary proportion.
Preferably, the siloxane oligomer is selected from the poly- diformazan of dimethyl silicone polymer, terminal hydroxy group of methyl blocking
Any one in radical siloxane, Methyl Hydrogen Polysiloxane Fluid or arbitrary several mixtures mixed with arbitrary proportion, siloxane oligomer
The viscosity of object is in 10~2000mm2/S, preferably 20~1000mm2/S.
Preferably, its specific proportioning is following (gross mass is in terms of 100 parts)：
Preferably, its specific proportioning is following (gross mass is in terms of 100 parts)：
Preferably, its specific proportioning is following (gross mass is in terms of 100 parts)：
A kind of iso-octyl triethoxy paste silane preparation method, is as follows：
(1) emulsifier of 1/5-1/2, fungicide and pH value adjustment agent are add to deionized water by, 10 DEG C~20
DEG C, be stirred mixing in the environment of 1500rpm~2000rpm rotating speeds, obtain water phase；
(2) by the emulsifier, siloxane oligomer, organic solvent of iso-octyl triethoxy paste silane 1/2-4/5 10
DEG C~20 DEG C, be mixed in the environment of 1500rpm~2000rpm rotating speeds, obtain oil phase；
(3) water phase in steps (1) gradually instills oil phase under 1500rpm-1800rpm rotating speeds；
(4) it is stirred under 2500rpm rotating speeds, after the completion of oil phase addition until material becomes in reactor in steps (3)
Until sticky lotion.
The invention has the advantages that：
The present invention is sprayed directly into coagulation in the construction process by providing completely new iso-octyl triethoxy paste silane
Civil engineering builds surface, and this product penetrates into internal several millimeters deeps through concrete surface, by original hydrophilic concrete capillary hole wall
The capillary hole wall for becoming hydrophobic penetrates into inside concrete to hinder the harmful substances such as the chloride entrained by grade moisture and moisture,
Effectively inhibit the degradation phenomenas such as steel bar corrosion, freeze-thaw damage and the corrosiveness of concrete structure to occur, significantly improves concrete
The durability of structure extends concrete structure service life；Meanwhile preparation method provided by the present invention intersects at existing skill
Art has optimization preparation process, shortens the reaction time, improves product viscosity, improving the penetrating power in concrete structural surface
And the advantages that workability.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention.
A kind of iso-octyl triethoxy paste silane includes iso-octyl triethoxy paste silane, deionized water, organic
Solvent, siloxane oligomer, emulsifier, fungicide, pH adjusting agent, component are following (gross mass is in terms of 100 parts)：
It is worth noting that, the organic solvent is in petroleum ether, solvent naphtha, low molecular weight dimethyl silicone polymer
Any one or arbitrary several mixtures mixed with arbitrary proportion.
It is worth noting that, the siloxane oligomer is selected from dimethyl silicone polymer, the terminal hydroxy group poly- two of methyl blocking
Any one in methylsiloxane, Methyl Hydrogen Polysiloxane Fluid or arbitrarily several mixtures with arbitrary proportion mixing, siloxanes are low
The viscosity of polymers is in 10~2000mm2/S, preferably 20~1000mm2/S.
It is worth noting that, its specific proportioning is following (gross mass is in terms of 100 parts)：
It is worth noting that, its specific proportioning is following (gross mass is in terms of 100 parts)：
It is worth noting that, its specific proportioning is following (gross mass is in terms of 100 parts)：
A kind of iso-octyl triethoxy paste silane preparation method, is as follows：
(1) emulsifier of 1/5-1/2, fungicide and pH value adjustment agent are add to deionized water by, 10 DEG C~20
DEG C, be stirred mixing in the environment of 1500rpm~2000rpm rotating speeds, obtain water phase；
(2) by the emulsifier, siloxane oligomer, organic solvent of iso-octyl triethoxy paste silane 1/2-4/5 10
DEG C~20 DEG C, be mixed in the environment of 1500rpm~2000rpm rotating speeds, obtain oil phase；
(3) water phase in steps (1) gradually instills oil phase under 1500rpm-1800rpm rotating speeds；
(4) it is stirred under 2500rpm rotating speeds, after the completion of oil phase addition until material becomes in reactor in steps (3)
Until sticky lotion.
The present invention specifically used steps are as follows：
Embodiment 1：
A kind of iso-octyl triethoxy paste silane, specific proportioning are following (gross mass is in terms of 100 parts)：
Embodiment 2：
A kind of iso-octyl triethoxy paste silane, specific proportioning are following (gross mass is in terms of 100 parts)：
Embodiment 3：
A kind of iso-octyl triethoxy paste silane, specific proportioning are following (gross mass is in terms of 100 parts)：
Preparation method is specific as follows, by taking embodiment 1 as an example：
1. under the conditions of 10 DEG C of room temperature, by 0.8g emulsifiers, 0.5g fungicide and 0.5gPH conditioning agents be added to 35g go from
In sub- water, water phase is uniformly mixing to obtain under 1500rpm rotating speeds；
2. under the conditions of 10 DEG C of room temperature, by 3.2g emulsifiers, 15g siloxane oligomers, 5g organic solvents and 40g iso-octyl
It is uniformly mixing to obtain oil phase under triethoxy paste silane mixture and again 1500rpm rotating speeds；
3. 10 DEG C of room temperature, 1500rpm rotating speed under, by oil phase until instill water phase in；
After 4. oil phase drips off, 10 DEG C of room temperature, 2500rpm rotating speed under, stir evenly, until material becomes in reactor
Until sticky lotion.
Wherein：
Emulsifier is sodium dodecyl sulfate emulsifier, dodecylbenzene sodium sulfonate emulsifier, OP-10 emulsifiers, SPAN-80 breasts
Agent, one kind in MOA-4 emulsifiers arbitrary several are matched with arbitrary proportion.
Experiments have shown that：Product of the present invention is sprayed by 300g/m2 dosages on concrete test block surface, test after a week is found,
Compared with benchmark test block, the concrete test block surface hydrophobic performance for coating product of the present invention is excellent, there is apparent lotus leaf effect,
The appearance of test block is not changed, the water absorption rate average value of concrete test block is less than 0.01mm/min1/2, is not more than to strength grade
The concrete of C45, impregnating depth reach 3~4mm or more, are more than the concrete of C45 to strength grade, and impregnating depth reaches 2~
The reducing effect average value of 3mm or more, chloride uptake are more than 90%, meet《JTG/T B07-01-2006 highway engineerings are mixed
Xtah Crude Clay structure anticorrosion technique specification》It is required that.
Above-described is only the preferred of iso-octyl triethoxy paste silane disclosed in this invention and preparation method thereof
Embodiment, it is noted that for those of ordinary skill in the art, in the premise for not departing from the invention design
Under, various modifications and improvements can be made, these are all within the scope of protection of the present invention.
Claims (7)
1. a kind of iso-octyl triethoxy paste silane, which is characterized in that include iso-octyl triethoxy paste silane, go from
Sub- water, organic solvent, siloxane oligomer, emulsifier, fungicide, pH adjusting agent, component is following, and (gross mass is with 100 parts
Meter)：
2. iso-octyl triethoxy paste silane according to claim 1, which is characterized in that the organic solvent is selected from stone
Any one in oily ether, solvent naphtha, low molecular weight dimethyl silicone polymer or arbitrary several mixing mixed with arbitrary proportion
Object.
3. iso-octyl triethoxy paste silane according to claim 1, which is characterized in that the siloxane oligomer choosing
From in the dimethyl silicone polymer, hydroxyl-terminated injecting two methyl siloxane, Methyl Hydrogen Polysiloxane Fluid of methyl blocking any one or appoint
Anticipate several mixtures mixed with arbitrary proportion, the viscosity of siloxane oligomer in 10~2000mm2/S, preferably 20~
1000mm2/S。
4. iso-octyl triethoxy paste silane according to claim 1, which is characterized in that its specific proportioning is following (total
Quality is in terms of 100 parts)：
5. iso-octyl triethoxy paste silane according to claim 1, which is characterized in that its specific proportioning is following (total
Quality is in terms of 100 parts)：
6. iso-octyl triethoxy paste silane according to claim 1, which is characterized in that its specific proportioning is following (total
Quality is in terms of 100 parts)：
7. a kind of iso-octyl triethoxy paste silane preparation method, which is characterized in that it is as follows：
(1) emulsifier of 1/5-1/2, fungicide and pH value adjustment agent are add to deionized water by, 10 DEG C~20 DEG C,
It is stirred mixing in the environment of 1500rpm~2000rpm rotating speeds, obtains water phase；
(2) by the emulsifier, siloxane oligomer, organic solvent of iso-octyl triethoxy paste silane 1/2-4/5 10 DEG C~
20 DEG C, be mixed in the environment of 1500rpm~2000rpm rotating speeds, obtain oil phase；
(3) water phase in steps (1) gradually instills oil phase under 1500rpm-1800rpm rotating speeds；
(4) it is stirred under 2500rpm rotating speeds, after the completion of oil phase addition until material becomes sticky in reactor in steps (3)
Until lotion.
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| CN201810456425.1A CN108439855A (en) | 2018-05-14 | 2018-05-14 | Iso-octyl triethoxy paste silane and preparation method thereof |
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| CN201810456425.1A CN108439855A (en) | 2018-05-14 | 2018-05-14 | Iso-octyl triethoxy paste silane and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110342957A (en) * | 2019-07-19 | 2019-10-18 | 广东龙湖科技股份有限公司 | A kind of lotion octyl silane concrete hydrophober and preparation method thereof |
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| CN101746988A (en) * | 2009-12-17 | 2010-06-23 | 张家港市国泰华荣化工新材料有限公司 | Special silane paste protective agent for concrete and preparation method thereof |
| CN101786901A (en) * | 2010-03-05 | 2010-07-28 | 浙江凌志精细化工有限公司 | Organosilicon emulsion-type waterproofing agent for building material surfaces and preparation method thereof |
| CN103642376A (en) * | 2013-09-29 | 2014-03-19 | 江苏中矿大正表面工程技术有限公司 | Waterproof paint |
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| CN106242640A (en) * | 2016-08-03 | 2016-12-21 | 卡本复合材料（天津）有限公司 | A kind of silane paste protective agent |
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2018
- 2018-05-14 CN CN201810456425.1A patent/CN108439855A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101746988A (en) * | 2009-12-17 | 2010-06-23 | 张家港市国泰华荣化工新材料有限公司 | Special silane paste protective agent for concrete and preparation method thereof |
| CN101786901A (en) * | 2010-03-05 | 2010-07-28 | 浙江凌志精细化工有限公司 | Organosilicon emulsion-type waterproofing agent for building material surfaces and preparation method thereof |
| CN103642376A (en) * | 2013-09-29 | 2014-03-19 | 江苏中矿大正表面工程技术有限公司 | Waterproof paint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110342957A (en) * | 2019-07-19 | 2019-10-18 | 广东龙湖科技股份有限公司 | A kind of lotion octyl silane concrete hydrophober and preparation method thereof |
| CN110342957B (en) * | 2019-07-19 | 2021-07-16 | 广东龙湖科技股份有限公司 | Pasty octyl silane concrete water repellent and preparation method thereof |
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Application publication date: 20180824 |