CN114806402B - Silane waterproof material with colorfulness and preparation method thereof - Google Patents
Silane waterproof material with colorfulness and preparation method thereof Download PDFInfo
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- CN114806402B CN114806402B CN202210313678.XA CN202210313678A CN114806402B CN 114806402 B CN114806402 B CN 114806402B CN 202210313678 A CN202210313678 A CN 202210313678A CN 114806402 B CN114806402 B CN 114806402B
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- silane
- waterproof material
- coupling agent
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- 239000000463 material Substances 0.000 title claims abstract description 57
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910000077 silane Inorganic materials 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000003086 colorant Substances 0.000 claims abstract description 18
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 17
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 10
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 10
- 239000003755 preservative agent Substances 0.000 claims abstract description 10
- 230000002335 preservative effect Effects 0.000 claims abstract description 10
- 239000000049 pigment Substances 0.000 claims abstract description 9
- 239000007822 coupling agent Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 36
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical compound CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 claims description 19
- -1 compound amino alcohol Chemical class 0.000 claims description 19
- 239000004250 tert-Butylhydroquinone Substances 0.000 claims description 19
- 235000019281 tert-butylhydroquinone Nutrition 0.000 claims description 19
- XTBAPWCYTNCZTO-UHFFFAOYSA-N 1H-isoindolone Natural products C1=CC=C2C(=O)N=CC2=C1 XTBAPWCYTNCZTO-UHFFFAOYSA-N 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 11
- YGUFXEJWPRRAEK-UHFFFAOYSA-N dodecyl(triethoxy)silane Chemical compound CCCCCCCCCCCC[Si](OCC)(OCC)OCC YGUFXEJWPRRAEK-UHFFFAOYSA-N 0.000 claims description 10
- MSRJTTSHWYDFIU-UHFFFAOYSA-N octyltriethoxysilane Chemical compound CCCCCCCC[Si](OCC)(OCC)OCC MSRJTTSHWYDFIU-UHFFFAOYSA-N 0.000 claims description 8
- 238000004078 waterproofing Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 7
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 6
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 claims description 4
- 150000001343 alkyl silanes Chemical class 0.000 claims description 4
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 4
- ALVYUZIFSCKIFP-UHFFFAOYSA-N triethoxy(2-methylpropyl)silane Chemical compound CCO[Si](CC(C)C)(OCC)OCC ALVYUZIFSCKIFP-UHFFFAOYSA-N 0.000 claims description 4
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 2
- SPSPIUSUWPLVKD-UHFFFAOYSA-N 2,3-dibutyl-6-methylphenol Chemical compound CCCCC1=CC=C(C)C(O)=C1CCCC SPSPIUSUWPLVKD-UHFFFAOYSA-N 0.000 claims description 2
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 2
- 241001122767 Theaceae Species 0.000 claims description 2
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 claims description 2
- 150000004056 anthraquinones Chemical class 0.000 claims description 2
- CZBZUDVBLSSABA-UHFFFAOYSA-N butylated hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1.COC1=CC=C(O)C=C1C(C)(C)C CZBZUDVBLSSABA-UHFFFAOYSA-N 0.000 claims description 2
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 2
- BAAAEEDPKUHLID-UHFFFAOYSA-N decyl(triethoxy)silane Chemical compound CCCCCCCCCC[Si](OCC)(OCC)OCC BAAAEEDPKUHLID-UHFFFAOYSA-N 0.000 claims description 2
- 229930003935 flavonoid Natural products 0.000 claims description 2
- 150000002215 flavonoids Chemical class 0.000 claims description 2
- 235000017173 flavonoids Nutrition 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 150000008442 polyphenolic compounds Chemical class 0.000 claims description 2
- 235000013824 polyphenols Nutrition 0.000 claims description 2
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 2
- 235000010234 sodium benzoate Nutrition 0.000 claims description 2
- 239000004299 sodium benzoate Substances 0.000 claims description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Substances [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 2
- 235000010288 sodium nitrite Nutrition 0.000 claims description 2
- JOUDBUYBGJYFFP-FOCLMDBBSA-N thioindigo Chemical compound S\1C2=CC=CC=C2C(=O)C/1=C1/C(=O)C2=CC=CC=C2S1 JOUDBUYBGJYFFP-FOCLMDBBSA-N 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
- OYGYKEULCAINCL-UHFFFAOYSA-N triethoxy(hexadecyl)silane Chemical compound CCCCCCCCCCCCCCCC[Si](OCC)(OCC)OCC OYGYKEULCAINCL-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000002045 lasting effect Effects 0.000 abstract description 2
- 230000004075 alteration Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000001023 inorganic pigment Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 230000035515 penetration Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000004224 protection Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000002940 repellent Effects 0.000 description 3
- 239000005871 repellent Substances 0.000 description 3
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 3
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000012860 organic pigment Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 150000001414 amino alcohols Chemical class 0.000 description 1
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/29—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for multicolour effects
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/26—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen nitrogen-containing groups
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Abstract
The invention relates to a silane waterproof material with color and a preparation method thereof, and the waterproof material comprises the following specific components: an alkanosilane, a silane coupling agent, an organic colorant, an antioxidant, and a preservative. The coloring agent is utilized, so that the silane waterproof material has certain color property, has the same anti-corrosion function as the traditional silane, has the function of covering concrete chromatic aberration, and ensures that a coated object is waterproof, anti-corrosion and attractive; meanwhile, the coupling agent is introduced, so that the binding force between the colorant and the basal plane is better, the problem that the pigment is easy to be washed out and faded by rain is solved, and the lasting color of the basal plane is maintained.
Description
Technical Field
The invention relates to the technical field of concrete materials, in particular to a silane waterproof material with color property and a preparation method thereof.
Background
The silane waterproof material is used as a novel hydrophobic and breathable material, has been rapidly developed in recent years, and has the characteristics of low volatility, high permeability, long-acting protection and the like, so that the material is widely applied to the protection field of various types of concrete. However, most of the silane waterproof materials still have the original color of the base material after being coated and dried, and do not have the function of covering the color difference of the concrete. In addition, with the rapid development of society, urban architecture appearance is also paid attention to gradually, and a layer of colored paint is often painted on a constructor to improve the aesthetic property of the architecture, but the colored paint is easy to fade after long-time sunlight irradiation and rain washing, so that the aesthetic degree of the architecture is seriously reduced. Meanwhile, the building construction also faces the waterproof requirement, and the waterproof coiled materials and waterproof coatings which are most commonly used at present have poor air permeability, insufficient durability and the like, so that the development prospect is not optimistic.
Aiming at the problems, a colored silane waterproof material is presented at present, which ensures the waterproofing and the corrosion prevention and simultaneously ensures the base surface to have certain colorability. As disclosed in patent CN 101624501a, an inorganic-organic colored waterproofing agent is provided, by introducing an inorganic pigment into a silicone resin solution, the waterproofing agent has a certain color, but the inorganic pigment is directly added into the solution, so that the binding force between the pigment and a painted base surface is difficult to be ensured, and the waterproofing agent is easy to be washed out and faded by rain water; the inorganic pigment itself is an inorganic substance, and although the color of the waterproofing agent can be changed, color unevenness easily occurs for a long time, and the waterproofing effect of the waterproofing material is reduced.
Based on the silane waterproof material, the silane waterproof material takes the alkane silane as the main agent, and the silane coupling agent and the organic colorant are introduced to remarkably improve the binding force with a base surface, so that the silane waterproof material with color is prepared, the requirement of concrete water prevention can be met, the concrete base surface has certain color, the protective effect of the silane waterproof material is not influenced, and the service life of the silane waterproof material is prolonged.
Disclosure of Invention
The invention provides a silane waterproof material with color property and a preparation method thereof, which are used for solving the problems and construction requirements in the prior art. The method has the advantages that the silane is used as a main agent, the binding force between the colorant and the basal plane is obviously improved by introducing the silane coupling agent and the organic colorant, the problem that the pigment is easy to fade by rain wash is solved, and the lasting colorability of the basal plane is maintained; the migration and corrosion resistance of the waterproof material is further improved by introducing an antioxidant and a preservative, and the protection of the waterproof material to concrete is improved. In addition, the preparation process has the advantages of easily available raw materials, simple method and simple and convenient operation, and has very important significance for expanding the practical application of the silane waterproof material.
The silane waterproof material with color property provided by the invention comprises the following components: 80-95 parts of chain alkyl silane; 5-15 parts of silane coupling agent; 0.1 to 0.5 part of organic colorant; 0.1 to 0.5 part of antioxidant; 0.1 to 1 portion of preservative.
The branched chain and the ethoxy in the structure of the alkane silane have relatively stable characteristics, and the branched chain structure can be more subjected to ultraviolet rays. In addition, after being painted onto the substrate, the product gradually permeates into the substrate; meanwhile, as time is accumulated, alkoxy groups in a molecular chain can be hydrolyzed and condensed to form a net-shaped film to form a layer of water repellent layer, so that a protective effect is achieved. Preferably, the alkane silane is selected from one or a combination of isobutyl triethoxy silane, n-octyl triethoxy silane, isooctyl triethoxy silane, decyl triethoxy silane, dodecyl triethoxy silane and hexadecyl triethoxy silane.
The silane coupling agent has the advantages that the silicon alkoxy is reactive to inorganic matters, and the organic functional group is reactive or compatible to organic matters. When the silane coupling agent is between the inorganic and organic interfaces, a bonding layer of an organic matrix, the silane coupling agent and an inorganic matrix can be formed, and the bonding force with a basal plane is improved. Meanwhile, the silane coupling agent can penetrate through the cementing surface and penetrate into the concrete to chemically react with air exposed in the environment and water molecules in the substrate to form a water repellent treatment layer, so that the entry of water is inhibited, and the protective service life of the concrete is prolonged. Preferably one or a combination of gamma-aminopropyl triethoxysilane, gamma- (2, 3-glycidoxy) propyl trimethoxysilane, gamma-methacryloxypropyl trimethoxysilane, gamma-mercaptopropyl trimethoxysilane and gamma-aminoethylaminopropyl trimethoxysilane.
The organic colorant can change the color of the waterproof material, so that the painted base surface has certain colorability. Preferably one or a combination of isoindolones, azo pigments, phthalocyanine, anthraquinone, thioindigo.
The antioxidant can improve the ultraviolet resistance of the long-acting protective agent of the silane, prevent the oxidation of the material to a certain extent and prolong the service life. Preferably tea polyphenols, flavonoids, butyl hydroxy anisole, dibutyl hydroxy toluene, tert-butyl hydroquinone or a combination thereof, and more preferably tert-butyl hydroquinone.
The preservative can improve the anti-corrosion performance of the silane waterproof material, reduce the erosion of water and salt compounds to the steel bar structure inside the concrete, and prolong the service life of the concrete. Preferably one or a combination of sodium benzoate, nitrite and compound amino alcohol, and more preferably compound amino alcohol.
The preparation method of the invention comprises the following steps:
(1) Weighing the chain alkyl silane, the silane coupling agent, the organic colorant, the antioxidant and the preservative according to parts by weight.
(2) Firstly, pouring the weighed silane coupling agent and the organic colorant into a stirring container, and mixing and stirring for 10-30 min under an electric stirrer with the rotating speed of 100-500 r/min, so that the coupling agent can be fully grafted on the organic colorant; then pouring the alkane silane, the antioxidant and the preservative into a stirring container, and continuously mixing and stirring for 5-20 min under an electric stirrer.
(3) Pouring out the mixture to obtain the colored silane waterproof material.
The beneficial results of the invention are that:
(1) The color is adjustable: red, yellow, blue, black, etc. colors may be used.
(2) The flushing resistance is good: the waterproof material is continuously washed for 5000 times, and the color is unchanged;
(3) The permeability is strong: the penetration depth of concrete below C40 is more than or equal to 5mm, and the penetration depth of concrete between C40 and C50 is more than or equal to 3mm;
(4) The silane waterproof material has good protection effect on concrete, the water absorption rate of the concrete is less than 5%, and the chloride absorption reduction effect is more than 90%; the raw materials used for preparation are common, the cost is low, the method is simple and convenient, and the construction difficulty coefficient is small.
Detailed Description
The invention will be further illustrated with reference to the following examples.
The raw materials used in the examples are all commercially available, and the experimental methods are all conventional experimental methods unless specified otherwise.
Example 1
N-octyl triethoxysilane, gamma-aminopropyl trimethoxy silane, isoindolone, tertiary butyl hydroquinone and compound amino alcohol according to the mass ratio of 90:10:0.1:0.2: 0.2. Firstly, pouring gamma-aminopropyl trimethoxy silane and isoindolone into a stirring container for mixing and stirring, and then pouring n-octyl triethoxy silane, tertiary butyl hydroquinone and compound amino alcohol into the stirring container for continuous stirring, thus obtaining the colored silane waterproof material.
The specific silane waterproof material has the following properties:
Example 2
Dodecyl triethoxy silane, gamma-aminoethyl aminopropyl trimethoxy silane, azo pigment, tertiary butyl hydroquinone and compound amino alcohol according to the mass ratio of 92:8:0.2:0.2:0.3, weighing. Firstly, pouring gamma-aminoethylaminopropyl trimethoxy silane and azo pigment into a stirring container for mixing and stirring, and then pouring dodecyl triethoxy silane, tertiary butyl hydroquinone and compound amino alcohol into the stirring container for continuous stirring, thus obtaining the colored silane waterproof material.
The specific silane waterproof material has the following properties:
Example 3
Isobutyl triethoxysilane, gamma- (2, 3-glycidoxy) propyl trimethoxysilane, phthalocyanine, tertiary butyl hydroquinone and compound amino alcohol according to the mass ratio of 94:6:0.3:0.3:0.5 for weighing. Firstly, pouring gamma- (2, 3-glycidoxy) propyl trimethoxy silane and phthalocyanine into a stirring container for mixing and stirring, and then pouring isobutyl triethoxy silane, tertiary butyl hydroquinone and compound amino alcohol into the stirring container for continuous stirring, thus obtaining the colored silane waterproof material.
The specific silane waterproof material has the following properties:
Example 4
Dodecyl triethoxy silane, n-octyl triethoxy silane, gamma-mercapto propyl trimethoxy silane, azo pigment, tertiary butyl hydroquinone and compound amino alcohol according to the mass ratio of 45:45:10:0.3:0.2:0.6 for weighing. Firstly, pouring gamma-mercaptopropyl trimethoxy silane and azo pigment into a stirring container for mixing and stirring, and then pouring dodecyl triethoxy silane, n-octyl triethoxy silane, tertiary butyl hydroquinone and compound amino alcohol into the stirring container for continuous stirring, thus obtaining the silane waterproof material with color.
The specific silane waterproof material has the following properties:
Example 5
Methyl triethoxysilane, gamma-aminopropyl trimethoxy silane, isoindolone, tertiary butyl hydroquinone and compound amino alcohol according to the mass ratio of 90:10:0.1:0.2: 0.2. Firstly, pouring gamma-aminopropyl trimethoxy silane and isoindolone into a stirring container for mixing and stirring, and then pouring methyltriethoxysilane, tertiary butyl hydroquinone and compound amino alcohol into the stirring container for continuous stirring, thus obtaining the colored silane waterproof material.
The specific silane waterproof material has the following properties:
Example 6
N-octyl triethoxysilane, isoindolone, tertiary butyl hydroquinone and compound amino alcohol according to the mass ratio of 100:0.1:0.2: 0.2. Pouring n-octyl triethoxysilane, isoindolone, tertiary butyl hydroquinone and compound amino alcohol into a stirring container for mixing and stirring, thus obtaining the colored silane waterproof material.
The specific silane waterproof material has the following properties:
Example 7
Dodecyl triethoxy silane, gamma-aminoethyl aminopropyl trimethoxy silane, iron oxide red, tertiary butyl hydroquinone and compound amino alcohol according to the mass ratio of 92:8:0.2:0.2:0.3, weighing. Firstly, pouring gamma-aminoethylaminopropyl trimethoxy silane and iron oxide red into a stirring container for mixing and stirring, and then pouring dodecyl triethoxy silane, tertiary butyl hydroquinone and compound amino alcohol into the stirring container for continuous stirring, thus obtaining the colored silane waterproof material.
The specific silane waterproof material has the following properties:
Example 8
Dodecyl triethoxysilane, iron oxide red, tertiary butyl hydroquinone and composite amino alcohol according to the mass ratio of 100:0.2:0.2:0.3, weighing. And pouring dodecyl triethoxysilane, iron oxide red, tertiary butyl hydroquinone and compound amino alcohol into a stirring container for stirring, thus obtaining the colored silane waterproof material.
The specific silane waterproof material has the following properties:
as can be seen from comparative examples 1 and 5, in example 5, the use of non-alkanosilane (methyltriethoxysilane) shows that the penetration depth of the waterproof material, the effect of reducing chloride absorption, the water absorption of concrete and the like are reduced, and the color of the surface after 3000 continuous flushing is also affected, further highlighting the necessity of alkanosilane in the present invention.
As can be seen from comparative examples 1 and 6, in example 6, the presence of the silane coupling agent increases the binding force between the colorant and the substrate, so that the colorability of the substrate can be maintained for a long time.
Comparative example 2, example 7 and example 8 it was found that both examples 7 and 8 used inorganic pigments. Compared with organic pigment, the binding force between inorganic pigment and basal plane is reduced, and the flushing resistance is obviously reduced; meanwhile, the addition of the inorganic pigment has a certain influence on the protective performance of the waterproof material, and the penetration depth, chloride absorption reducing effect, concrete water absorption rate and other performances are reduced.
It was also found in comparative examples 7 and 8 that the presence of the coupling agent has a certain effect on improving the abrasion resistance of the waterproof material, regardless of whether it is an inorganic pigment or an organic pigment. In addition, after the silane coupling agent is added, the waterproof effect of the material is improved (the water absorption is reduced, the penetration depth and the chloride absorption reduction effect are increased), and the silane coupling agent can penetrate through the cementing surface and penetrate into the concrete to chemically react with air exposed in the environment and water molecules in the substrate to form a water repellent treatment layer, so that the water is further inhibited from entering, and the protective service life of the concrete is prolonged.
Claims (5)
1. A silane waterproof material with color is characterized by comprising the following specific components: 80-95 parts of chain alkyl silane; 5-15 parts of silane coupling agent; 0.1 to 0.5 part of organic colorant; 0.1 to 0.5 part of antioxidant; 0.1-1 part of preservative, wherein the alkane silane is one or a combination of isobutyl triethoxy silane, n-octyl triethoxy silane, isooctyl triethoxy silane, decyl triethoxy silane, dodecyl triethoxy silane and hexadecyl triethoxy silane, and the silane coupling agent is one or a combination of gamma-aminopropyl triethoxy silane, gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane, gamma-methacryloxypropyl trimethoxy silane, gamma-mercaptopropyl trimethoxy silane and gamma-aminoethyl aminopropyl trimethoxy silane.
2. The colored silane waterproof material of claim 1, wherein the organic colorant is one or a combination of isoindolone, azo pigment, phthalocyanine, anthraquinone and thioindigo.
3. The colored silane waterproof material of claim 1, wherein the antioxidant is one or a combination of tea polyphenols, flavonoids, butyl hydroxy anisole, dibutyl hydroxy toluene, and tertiary butyl hydroquinone.
4. The colored silane waterproof material of claim 1, wherein the preservative is one or a combination of sodium benzoate, nitrite and compound amino alcohol.
5. A method for producing a silane waterproofing material having colorability as claimed in any one of claims 1 to 4, comprising the steps of:
(1) Weighing chain alkyl silane, silane coupling agent, organic colorant, antioxidant and preservative according to parts by weight respectively;
(2) Firstly, pouring the weighed silane coupling agent and the organic colorant into a stirring container, and mixing and stirring for 10-30 min under an electric stirrer with the rotating speed of 100-500 r/min, so that the organic colorant can be fully grafted onto the coupling agent; then pouring the alkane silane, the antioxidant and the preservative into a stirring container, and continuously mixing and stirring for 5-20 min under an electric stirrer;
(3) Pouring out the mixture to obtain the colored silane waterproof material.
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