CN101786901A - Organosilicon emulsion-type waterproofing agent for building material surfaces and preparation method thereof - Google Patents
Organosilicon emulsion-type waterproofing agent for building material surfaces and preparation method thereof Download PDFInfo
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- CN101786901A CN101786901A CN 201010118186 CN201010118186A CN101786901A CN 101786901 A CN101786901 A CN 101786901A CN 201010118186 CN201010118186 CN 201010118186 CN 201010118186 A CN201010118186 A CN 201010118186A CN 101786901 A CN101786901 A CN 101786901A
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- building material
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- emulsion
- waterproofing agent
- material surfaces
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- 238000004078 waterproofing Methods 0.000 title claims abstract description 33
- 239000004566 building material Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000001804 emulsifying effect Effects 0.000 claims abstract description 13
- 239000000839 emulsion Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 6
- -1 alkyl alkoxy silane Chemical compound 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract 2
- 239000003153 chemical reaction reagent Substances 0.000 claims description 8
- 238000004945 emulsification Methods 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- SCPWMSBAGXEGPW-UHFFFAOYSA-N dodecyl(trimethoxy)silane Chemical compound CCCCCCCCCCCC[Si](OC)(OC)OC SCPWMSBAGXEGPW-UHFFFAOYSA-N 0.000 claims description 3
- MSRJTTSHWYDFIU-UHFFFAOYSA-N octyltriethoxysilane Chemical compound CCCCCCCC[Si](OCC)(OCC)OCC MSRJTTSHWYDFIU-UHFFFAOYSA-N 0.000 claims description 3
- ALVYUZIFSCKIFP-UHFFFAOYSA-N triethoxy(2-methylpropyl)silane Chemical compound CCO[Si](CC(C)C)(OCC)OCC ALVYUZIFSCKIFP-UHFFFAOYSA-N 0.000 claims description 3
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical class C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 claims description 2
- 239000012874 anionic emulsifier Substances 0.000 claims description 2
- 125000002091 cationic group Chemical group 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- 239000012153 distilled water Substances 0.000 claims description 2
- YGUFXEJWPRRAEK-UHFFFAOYSA-N dodecyl(triethoxy)silane Chemical compound CCCCCCCCCCCC[Si](OCC)(OCC)OCC YGUFXEJWPRRAEK-UHFFFAOYSA-N 0.000 claims description 2
- 239000012875 nonionic emulsifier Substances 0.000 claims description 2
- 229920000136 polysorbate Polymers 0.000 claims description 2
- HXOGQBSDPSMHJK-UHFFFAOYSA-N triethoxy(6-methylheptyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCCCC(C)C HXOGQBSDPSMHJK-UHFFFAOYSA-N 0.000 claims description 2
- XYJRNCYWTVGEEG-UHFFFAOYSA-N trimethoxy(2-methylpropyl)silane Chemical compound CO[Si](OC)(OC)CC(C)C XYJRNCYWTVGEEG-UHFFFAOYSA-N 0.000 claims description 2
- NMEPHPOFYLLFTK-UHFFFAOYSA-N trimethoxy(octyl)silane Chemical compound CCCCCCCC[Si](OC)(OC)OC NMEPHPOFYLLFTK-UHFFFAOYSA-N 0.000 claims description 2
- 239000003643 water by type Substances 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 7
- 239000011449 brick Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 239000004575 stone Substances 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 229910000077 silane Inorganic materials 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 abstract description 2
- 239000006172 buffering agent Substances 0.000 abstract 1
- 239000011083 cement mortar Substances 0.000 abstract 1
- 230000002070 germicidal effect Effects 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 231100000956 nontoxicity Toxicity 0.000 abstract 1
- 239000000463 material Substances 0.000 description 14
- 238000011056 performance test Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- ONJQDTZCDSESIW-UHFFFAOYSA-N polidocanol Chemical compound CCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO ONJQDTZCDSESIW-UHFFFAOYSA-N 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
- C04B24/42—Organo-silicon compounds
-
- 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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/30—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds
- C04B26/32—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds containing silicon
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/49—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes
- C04B41/4905—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon
- C04B41/4922—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon applied to the substrate as monomers, i.e. as organosilanes RnSiX4-n, e.g. alkyltrialkoxysilane, dialkyldialkoxysilane
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The invention discloses an organosilicon emulsion-type waterproofing agent for building material surfaces and a preparation method thereof. The preparation method comprises the following steps: (1) adding water and an emulsifying agent into a reaction kettle, heating to 40-90 DEG C, uniformly stirring, adding a long-chain alkyl alkoxy silane, pre-emulsifying for 2-6 hours at this temperature, and cooling; (2) and emulsifying the pre-emulsion in a high-speed emulsifying machine at high speed for 0.5-2 hours, adding a germicide, a buffering agent, an accelerant and other accessory ingredients, continuing emulsifying at high speed for 0.5-2 hours, and cooling to obtain the organosilicon emulsion-type waterproofing agent for the building material surfaces. The emulsion-type waterproofing agent can be used for the surfaces of the building materials, such as stone, concrete, bricks, cement mortar and the like, and has the functions of waterproofing, impermeability, color protection, ventilation and the like. Meanwhile, the waterproofing agent also has the advantages of high efficiency, high safety, no toxicity and convenient construction.
Description
Technical field
The present invention relates to the organic silicon water-proofing material, relate in particular to a kind of organosilicon emulsion-type waterproofing agent for building material surfaces and preparation method thereof.
Background technology
Waterproofing agent of organosilicon is the waterproof material of building materials such as a kind of ideal concrete, masonry; can be sprayed on the building surface with solution, emulsion form; because it has good penetrating power; can be penetrated in the micropore of base material inside; form with hydrophobic protective layer with the base material reaction, thereby improved the waterproof of base material, anti-staining and endurance quality greatly.
The silane maintenance technology has been widely used in building construction, port and pier, highway, bridge, water drain, water supply drinking-water system and many novel concrete products (building block brick, clay brick, kerbstone etc.) abroad as a kind of main anti-corrosion measure.It is the best measure that improves concrete durability that U.S. motorway association is evaluated as it.
Along with China's waterproof cause develops rapidly, the water-proof material range of application has constantly been expanded to the waterproofing work of Infrastructure such as bridge, highway, water conservancy, tunnel, railway, airport, subway, grain depot, sewage disposal, garbage loading embeading by building.The waterproofing agent of organosilicon of China uses methyl silicate and solvent type product mostly at present, because these products have harm to environment and human health, so development environment-friendly type waterproof product is attached great importance in countries in the world.Consider that from safety, health and environment protection the overall development trend of organosilicon architectural waterproof material is Water-borne modification or solvent free, yet the difficult point of development water-based system is can not damage its water resistance again in the stability in storage that guarantees organic silicon emulsion.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, organosilicon emulsion-type waterproofing agent for building material surfaces of a kind of excellent in stability and preparation method thereof is provided.This emulsion-type waterproofing agent can be used for building material surfaces such as stone material, concrete, masonry, sand-cement slurry, not only have waterproof, impervious, protect functions such as look, ventilation; Simultaneously, more efficient, safety non-toxic, and easy construction.
Emulsion-type waterproofing agent comprises in its component of weight part:
Chain alkyl organoalkoxysilane: 100
Emulsifying agent: 8～30
Water: 100～350
Sterilant: 0.1～4
Buffer reagent: 0.1～4
Promotor: 1～15
Described chain alkyl organoalkoxysilane is at least a in isobutyl-Trimethoxy silane, isobutyl-triethoxyl silane, n-octyl Trimethoxy silane, n-octyl triethoxyl silane, isooctyltrimethoxysi,ane, iso-octyl triethoxyl silane, dodecyl Trimethoxy silane or the dodecyl triethoxyl silane.
Described emulsifying agent is nonionic emulsifier, anionic emulsifier or cationic emulsifier, and preferred nonionic emulsifying agent is as polyoxyethylene nonylphenol ether series, emulsifying agent AEO series, emulsifier EL series, emulsifying agent Tween series, emulsifying agent Span series etc.
Described water is distilled water or deionized water.
Described promotor is the aqueous silane coupling agent.
A kind of organosilicon emulsion-type waterproofing agent for building material surfaces preparation method comprises the steps:
1) earlier water 100～350 weight parts and emulsifying agent 8～30 weight parts are added in the reactor, temperature is risen to 40～90 ℃, after stirring, add chain alkyl organoalkoxysilane 100 weight parts, pre-emulsification 2～6h under this temperature, cooling;
2) add sterilant 0.1～4 weight part, buffer reagent 0.1～4 weight part and promotor 1～15 other auxiliary agents above-mentioned pre-emulsion is carried out emulsify at a high speed 0.5～2hr in rotating speed is the high-speed emulsifying machine of 6000r/min～10000r/min after, continue emulsify at a high speed 0.5～2hr, cooling makes organosilicon emulsion-type waterproofing agent for building material surfaces.
The beneficial effect that the present invention compared with prior art has:
1) product adopts pre-emulsifying technology, has improved the stability in storage of product emulsion when guaranteeing the product water-repellancy;
2) product employing aqueous silane coupling agent is a promotor, has accelerated emulsion and base material bonding speed, makes that base material possesses water-proof function in the short period of time after this product treatment;
3) product is dispersion medium with water, does not contain organic solvent, and unharmful substance discharges, and is environmentally friendly product;
4) product preparation method is simple, and production unit is conventional equipment, and does not all have three wastes generation in the production process;
5) product use easy construction, emulsion directly to use or dilute with water after use, can adopt spraying or brush;
6) the product seepage force is strong, anti-oxidant, ageing-resistant performance is excellent;
7) use front and back base material nondiscoloration, to the base material non-corrosiveness.
Embodiment
Characteristics of the present invention are to be dispersion medium with water, adopt pre-emulsifying technology and second emulsifying, the organosilicon emulsion-type waterproofing agent for building material surfaces of preparation water-repellancy, excellent in stability.
Performance test:
The organosilicon emulsion-type waterproofing agent for building material surfaces that aforesaid method is made is by every performances such as the outward appearance of JC/T902-2002 testing water-proof agent, pH value, solids content, stability, water-intake rate ratio, perviousness.
Still it should be noted that: the equal buyable of above-described chain alkyl organoalkoxysilane, emulsifying agent, water, sterilant, buffer reagent and promotor obtains, and described reactor, high-speed emulsifying machine and other equipment are existing conventional equipment.
Below by embodiment the present invention is carried out concrete description, it is important to point out that following examples only are used for the present invention is further specified, can not be interpreted as restriction protection scope of the present invention.In each embodiment, except that indicating especially, the equal buyable of used raw material obtains.
Embodiment 1:
100 parts of water, 4 parts of OP-4 emulsifying agents, 4 parts of OP-10 emulsifying agents are joined in the reactor, temperature is raised to 40 ℃, the back that stirs slowly adds 100 parts of n-octyl triethoxyl silanes, pre-emulsification 6hr under 40 ℃; It is emulsification 0.5hr in the 6000r/min high-speed emulsifying machine that cooled pre-emulsion is joined rotating speed, adds 0.5 part in sterilant, 2 parts of buffer reagents, 15 parts of aqueous silane coupling agents, continues emulsify at a high speed 2hr, and cooling obtains organosilicon emulsion-type waterproofing agent.The product performance test result sees table 1 for details.
Embodiment 2:
350 parts of water, 23 parts of AEO-3 emulsifying agents, 7 parts of AEO-9 emulsifying agents are joined in the reactor, temperature is raised to 90 ℃, the back that stirs slowly adds 100 parts of dodecyl Trimethoxy silanes, pre-emulsification 4hr under 90 ℃; It is emulsification 2hr in the 10000r/min high-speed emulsifying machine that cooled pre-emulsion is joined rotating speed, adds 4 parts in sterilant, 4 parts of buffer reagents, 10 parts of aqueous silane coupling agents, continues emulsify at a high speed 1hr, and cooling obtains organosilicon emulsion-type waterproofing agent.The product performance test result sees table 1 for details.
Embodiment 3:
200 parts of water, 8 parts of Tween-80 emulsifying agents, 11 parts of Span-80 emulsifying agents are joined in the reactor, temperature is raised to 60 ℃, 100 parts of the slow isobutyl-triethoxyl silanes in the back that stirs, pre-emulsification 2hr under 60 ℃; It is emulsification 1hr in the 8000r/min high-speed emulsifying machine that cooled pre-emulsion is joined rotating speed, adds 1 part in sterilant, 0.5 part of buffer reagent, 1 part of aqueous silane coupling agent, continues emulsify at a high speed 0.5hr, and cooling obtains organosilicon emulsion-type waterproofing agent.The product performance test result sees table 1 for details.
Table 1 product performance test result
(base material is self-control cement sand lumps, 125 * 25 * 5mm)
The result shows that the organosilicon emulsion-type waterproofing agent by the present invention's preparation meets the requirement of JC/T902-2002 building surface with waterproofing agent of organosilicon, has advantages of excellent stability, building material surface water resistance excellences such as application and stone material, concrete, masonry, sand-cement slurry.
Claims (8)
1. organosilicon emulsion-type waterproofing agent for building material surfaces is characterized in that comprising in its component of weight part:
Chain alkyl organoalkoxysilane: 100
Emulsifying agent: 8～30
Water: 100～350
Sterilant: 0.1～4
Buffer reagent: 0.1～4
Promotor: 1～15.
2. a kind of organosilicon emulsion-type waterproofing agent for building material surfaces according to claim 1 is characterized in that described chain alkyl organoalkoxysilane is at least a in isobutyl-Trimethoxy silane, isobutyl-triethoxyl silane, n-octyl Trimethoxy silane, n-octyl triethoxyl silane, isooctyltrimethoxysi,ane, iso-octyl triethoxyl silane, dodecyl Trimethoxy silane or the dodecyl triethoxyl silane.
3. a kind of organosilicon emulsion-type waterproofing agent for building material surfaces according to claim 1 is characterized in that described emulsifying agent is nonionic emulsifier, anionic emulsifier or cationic emulsifier.
4. a kind of organosilicon emulsion-type waterproofing agent for building material surfaces according to claim 3 is characterized in that described emulsifying agent is a nonionic emulsifying agent.
5. a kind of organosilicon emulsion-type waterproofing agent for building material surfaces according to claim 4 is characterized in that described nonionic emulsifying agent is at least a in polyoxyethylene nonylphenol ether series, emulsifying agent AEO series, emulsifier EL series, emulsifying agent Tween series or the emulsifying agent Span series.
6. a kind of organosilicon emulsion-type waterproofing agent for building material surfaces according to claim 1 is characterized in that described water is distilled water or deionized water.
7. a kind of organosilicon emulsion-type waterproofing agent for building material surfaces according to claim 1 is characterized in that described promotor is the aqueous silane coupling agent.
8. the preparation method of organosilicon emulsion-type waterproofing agent for building material surfaces according to claim 1 is characterized in that comprising the steps:
1) 100～350 weight parts waters and 8～30 weight part emulsifying agents are added reactor, heating rises to 40～90 ℃, after stirring, adds 100 weight part chain alkyl organoalkoxysilanes, pre-emulsification 2～6h, and cooling obtains pre-emulsion;
2) pre-emulsion is carried out emulsify at a high speed 0.5～2hr in rotating speed is the high-speed emulsifying machine of 6000r/min～10000r/min after, add 0.1～4 weight part sterilant, 0.1～4 weight part buffer reagent and 1～15 weight part promotor, continue emulsify at a high speed 0.5～2hr, cooling obtains organosilicon emulsion-type waterproofing agent for building material surfaces.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436165A (en) * | 2013-09-13 | 2013-12-11 | 上海交通大学 | Waterproof staining-resisting nano composite coating as well as preparation and application methods thereof |
| CN103601527A (en) * | 2013-12-03 | 2014-02-26 | 中国建筑材料科学研究总院苏州防水研究院 | Silane paste protective agent and preparation method thereof |
| CN103740106A (en) * | 2012-10-16 | 2014-04-23 | 瓦克化学（中国）有限公司 | Aqueous silicone resin emulsion and applications thereof |
| CN105349004A (en) * | 2015-11-29 | 2016-02-24 | 滁州斯迈特复合材料有限公司 | Waterproof agent for brick-concrete structure building |
| CN106518160A (en) * | 2016-09-21 | 2017-03-22 | 东莞市联洲知识产权运营管理有限公司 | Air-permeable weather-resisting semi-permeable clear water concrete protective agent and preparation method thereof |
| CN106893483A (en) * | 2017-03-08 | 2017-06-27 | 沈阳建筑大学 | A kind of organosilicon concrete protection emulsion and preparation method thereof |
| CN108033808A (en) * | 2017-12-08 | 2018-05-15 | 天津城建大学 | A kind of method for improving porous concrete product hole anti-clogging ability |
| CN108083847A (en) * | 2017-12-10 | 2018-05-29 | 上饶师范学院 | A kind of organic silicon infiltration waterproofing agent |
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| CN108726914A (en) * | 2018-07-05 | 2018-11-02 | 南雄鼎成新材料科技有限公司 | A kind of organosilan emulsion-type waterproofing gypsum agent and preparation method thereof |
| CN108821638A (en) * | 2018-06-20 | 2018-11-16 | 河南阳光防水科技有限公司 | Modified early strong waterproofing agent of organosilicon |
| CN111647302A (en) * | 2020-04-28 | 2020-09-11 | 嘉兴海欣生态科技有限公司 | Preparation method of environment-friendly concrete/soil hydrophobing agent |
| CN113354347A (en) * | 2021-07-15 | 2021-09-07 | 贵州大学 | Composite waterproof agent for building material and preparation method thereof |
| CN114231144A (en) * | 2021-12-24 | 2022-03-25 | 深圳市兆新能源股份有限公司 | Aerosol type siloxane modified waterproof leakage repairing material and preparation method thereof |
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| CN103740106A (en) * | 2012-10-16 | 2014-04-23 | 瓦克化学（中国）有限公司 | Aqueous silicone resin emulsion and applications thereof |
| CN103436165B (en) * | 2013-09-13 | 2016-01-13 | 上海交通大学 | Water-proof stain-resistant nano composite dope and preparations and applicatio method thereof |
| CN103436165A (en) * | 2013-09-13 | 2013-12-11 | 上海交通大学 | Waterproof staining-resisting nano composite coating as well as preparation and application methods thereof |
| CN103601527A (en) * | 2013-12-03 | 2014-02-26 | 中国建筑材料科学研究总院苏州防水研究院 | Silane paste protective agent and preparation method thereof |
| CN103601527B (en) * | 2013-12-03 | 2016-01-20 | 中国建筑材料科学研究总院苏州防水研究院 | A kind of silane paste protective agent and preparation method thereof |
| CN105349004A (en) * | 2015-11-29 | 2016-02-24 | 滁州斯迈特复合材料有限公司 | Waterproof agent for brick-concrete structure building |
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| CN106518160A (en) * | 2016-09-21 | 2017-03-22 | 东莞市联洲知识产权运营管理有限公司 | Air-permeable weather-resisting semi-permeable clear water concrete protective agent and preparation method thereof |
| CN106893483A (en) * | 2017-03-08 | 2017-06-27 | 沈阳建筑大学 | A kind of organosilicon concrete protection emulsion and preparation method thereof |
| CN108033808A (en) * | 2017-12-08 | 2018-05-15 | 天津城建大学 | A kind of method for improving porous concrete product hole anti-clogging ability |
| CN108083847A (en) * | 2017-12-10 | 2018-05-29 | 上饶师范学院 | A kind of organic silicon infiltration waterproofing agent |
| CN108439855A (en) * | 2018-05-14 | 2018-08-24 | 江苏沃佳新材料科技有限公司 | Iso-octyl triethoxy paste silane and preparation method thereof |
| CN108821638A (en) * | 2018-06-20 | 2018-11-16 | 河南阳光防水科技有限公司 | Modified early strong waterproofing agent of organosilicon |
| CN108726914A (en) * | 2018-07-05 | 2018-11-02 | 南雄鼎成新材料科技有限公司 | A kind of organosilan emulsion-type waterproofing gypsum agent and preparation method thereof |
| CN111647302A (en) * | 2020-04-28 | 2020-09-11 | 嘉兴海欣生态科技有限公司 | Preparation method of environment-friendly concrete/soil hydrophobing agent |
| CN113354347A (en) * | 2021-07-15 | 2021-09-07 | 贵州大学 | Composite waterproof agent for building material and preparation method thereof |
| CN114231144A (en) * | 2021-12-24 | 2022-03-25 | 深圳市兆新能源股份有限公司 | Aerosol type siloxane modified waterproof leakage repairing material and preparation method thereof |
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