CN114806402A - Silane waterproof material with colority and preparation method thereof - Google Patents
Silane waterproof material with colority and preparation method thereof Download PDFInfo
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- CN114806402A CN114806402A CN202210313678.XA CN202210313678A CN114806402A CN 114806402 A CN114806402 A CN 114806402A CN 202210313678 A CN202210313678 A CN 202210313678A CN 114806402 A CN114806402 A CN 114806402A
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- silane
- waterproof material
- coupling agent
- colority
- colored
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- 239000000463 material Substances 0.000 title claims abstract description 64
- 229910000077 silane Inorganic materials 0.000 title claims abstract description 58
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 17
- 239000003086 colorant Substances 0.000 claims abstract description 17
- 150000001335 aliphatic alkanes Chemical class 0.000 claims abstract description 10
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 10
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 10
- 239000000049 pigment Substances 0.000 claims abstract description 9
- 239000003755 preservative agent Substances 0.000 claims abstract description 9
- 230000002335 preservative effect Effects 0.000 claims abstract description 9
- 239000007822 coupling agent Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 35
- -1 compound amino alcohol Chemical class 0.000 claims description 20
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical compound CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 claims description 19
- 239000004250 tert-Butylhydroquinone Substances 0.000 claims description 19
- 235000019281 tert-butylhydroquinone Nutrition 0.000 claims description 19
- 238000002156 mixing Methods 0.000 claims description 11
- XTBAPWCYTNCZTO-UHFFFAOYSA-N 1H-isoindolone Natural products C1=CC=C2C(=O)N=CC2=C1 XTBAPWCYTNCZTO-UHFFFAOYSA-N 0.000 claims description 10
- 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
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 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
- 238000000034 method Methods 0.000 claims description 3
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000004078 waterproofing Methods 0.000 claims description 3
- 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
- 150000001343 alkyl silanes Chemical class 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
- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 230000002045 lasting effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 8
- 239000001023 inorganic pigment Substances 0.000 description 7
- 230000004224 protection Effects 0.000 description 7
- 230000035515 penetration 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
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000002940 repellent Effects 0.000 description 4
- 239000005871 repellent Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- PXZQEOJJUGGUIB-UHFFFAOYSA-N isoindolin-1-one Chemical compound C1=CC=C2C(=O)NCC2=C1 PXZQEOJJUGGUIB-UHFFFAOYSA-N 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000012860 organic pigment Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 230000002421 anti-septic effect Effects 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
- 239000011248 coating agent Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 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
Landscapes
- 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 colority and a preparation method thereof, and the waterproof material comprises the following specific components: the silane coupling agent comprises an alkane silane, a silane coupling agent, an organic colorant, an antioxidant and a preservative. The silane waterproof material has certain colority by using the coloring agent, not only has the same anticorrosion function as the traditional silane, but also has the function of covering the color difference of concrete, so that the coated object is waterproof and anticorrosion and has more aesthetic property; meanwhile, the coupling agent is introduced, so that the coloring agent and the base surface have better binding force, the problem that the pigment is easy to wash and fade by rainwater is solved, and the lasting colority of the base surface is maintained.
Description
Technical Field
The invention relates to the technical field of concrete materials, in particular to a silane waterproof material with colority and a preparation method thereof.
Background
The silane waterproof material is used as a novel hydrophobic breathable material, and is rapidly developed in recent years, and the characteristics of low volatilization, high permeability, long-acting protection and the like enable the material to be widely applied to the field of various types of concrete protection. However, at present, most of silane waterproof materials still maintain the original color of the base material after being painted and dried, and do not have the function of covering the color difference of concrete. In addition, along with the rapid development of the society, the appearance of the urban building is also gradually emphasized, the construction party can often brush a layer of colored paint to improve the aesthetic property of the building, but the colored paint is easy to fade after long-time sunlight irradiation and rain wash, and the aesthetic property of the building is seriously reduced. Meanwhile, the building construction still faces the waterproof requirement, and the development prospect is not optimistic due to the problems of poor air permeability, insufficient durability and the like of the most commonly used waterproof coiled materials and waterproof coatings at present.
In order to solve the problems, a colored silane waterproof material is provided at present, and the colored silane waterproof material ensures the waterproof and the corrosion prevention and enables a base surface to have certain color. For example, patent CN 101624501a discloses an inorganic-organic colored waterproofing agent, which has a certain color by introducing inorganic pigment into silicone resin solution, but the inorganic pigment is directly added into the solution, which is difficult to ensure the binding force between the pigment and the painted base surface, and is easy to be washed and faded by rain; and the inorganic pigment itself is an inorganic substance, and although the color of the waterproof agent can be changed, the color unevenness easily occurs over a long time, and the waterproof effect of the waterproof material is reduced.
Based on the silane waterproof material, the silane waterproof material takes the alkane silane as the main agent, the bonding force with a base surface is obviously improved by introducing the silane coupling agent and the organic colorant, and the silane waterproof material with the colority is prepared, so that the material can meet the requirement of concrete waterproofing, can ensure that the base surface of the concrete has certain colority, cannot influence the protection effect of the silane waterproof material, and has lasting protection service life.
Disclosure of Invention
In order to solve the problems and construction requirements in the prior art, the invention provides a silane waterproof material with colority and a preparation method thereof. By using the alkanyl silane as a main agent and introducing the silane coupling agent and the organic colorant, the bonding force between the colorant and a base surface is obviously improved, the problem that the pigment is easy to wash and fade by rain is solved, and the lasting colority of the base surface is maintained; the migration corrosion resistance of the waterproof material is further improved by introducing the antioxidant and the preservative, and the protection of the waterproof material on 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 colority consists of the following parts: 80-95 parts of an alkane silane; 5-15 parts of a silane coupling agent; 0.1-0.5 part of organic colorant; 0.1-0.5 part of antioxidant; 0.1-1 part 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 better withstand ultraviolet rays. In addition, after the coating is coated on the base material, the product can gradually permeate into the base material; meanwhile, alkoxy in a molecular chain can be hydrolyzed and condensed to form a net-shaped film along with the accumulation of time, and a water repellent layer is formed, so that the protection effect is achieved. Preferably, the chain alkyl silane is selected from one or a combination of isobutyl triethoxysilane, n-octyl triethoxysilane, isooctyl triethoxysilane, decyl triethoxysilane, dodecyl triethoxysilane and hexadecyl triethoxysilane.
The silane coupling agent has the silane oxygen group with reactivity to inorganic matters and the organic functional group with reactivity or compatibility to organic matters. When the silane coupling agent is between the inorganic and organic interfaces, a bonding layer of organic matrix-silane coupling agent-inorganic matrix can be formed, improving the bonding force with the basal plane. Meanwhile, the silane coupling agent can penetrate through the cementing surface and penetrate into the concrete to perform chemical reaction with air exposed in the environment and water molecules in the substrate to form a water repellent treatment layer, so that the water is inhibited from entering, and the protective service life of the concrete is prolonged. Preferably one or a combination of gamma-aminopropyltriethoxysilane, gamma- (2, 3-glycidoxy) propyltrimethoxysilane, gamma-methacryloxypropyltrimethoxysilane, gamma-mercaptopropyltrimethoxysilane and gamma-aminoethylaminopropyltrimethoxysilane.
The organic colorant can change the color of the waterproof material, so that the painted base surface has certain colority. Preferably one or a combination of isoindolone, azo pigment, phthalocyanine, anthraquinone and thioindigo.
The antioxidant can improve the ultraviolet resistance effect of the silane long-acting protective agent, prevent the material from being oxidized to a certain extent, and prolong the service life. Preferably one or a combination of tea polyphenol, flavonoid, butyl hydroxy anisole, dibutyl hydroxy toluene and tert-butyl hydroquinone, and more preferably tert-butyl hydroquinone.
The antiseptic can improve the corrosion resistance of the silane waterproof material, reduce the corrosion of moisture and salt compounds to the reinforcing steel bar structure in 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 comprises the following steps:
(1) the alkanesilane, the silane coupling agent, the organic colorant, the antioxidant and the preservative were each weighed in parts by weight.
(2) Firstly, pouring the weighed silane coupling agent and the weighed 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 to ensure that the coupling agent can be fully grafted to the organic colorant; and 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:
(1) the color is adjustable: red, yellow, blue, black, etc.
(2) The flushing resistance is good: the waterproof material is continuously washed for 5000 times, and the color is not changed;
(3) strong permeability: the penetration depth of the concrete below C40 is more than or equal to 5mm, and the penetration depth of the concrete between C40 and C50 is more than or equal to 3 mm;
(4) the silane waterproof material has good concrete protection effect, the water absorption rate of concrete is less than 5%, and the chloride absorption reduction effect is more than 90%; and 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 present invention will be further described with reference to the following examples.
The starting materials used in the examples are commercially available, and the experimental procedures are conventional unless otherwise specified.
Example 1
N-octyl triethoxysilane, gamma-aminopropyl trimethoxysilane, isoindolone, tert-butyl hydroquinone and compound amino alcohol in a mass ratio of 90: 10: 0.1: 0.2: 0.2 was weighed. Firstly, pouring gamma-aminopropyl trimethoxy silane and isoindolinone into a stirring container for mixing and stirring, then pouring n-octyl triethoxy silane, tert-butyl hydroquinone and compound amino alcohol into the stirring container for continuous stirring, and obtaining the silane waterproof material with colority.
The specific silane waterproof material has the following properties:
example 2
Dodecyl triethoxysilane, gamma-aminoethyl aminopropyltrimethoxysilane, azo pigment, tert-butyl hydroquinone and compound amino alcohol according to the mass ratio of 92: 8: 0.2: 0.2: 0.3 was weighed. Firstly, pouring gamma-aminoethyl aminopropyl trimethoxy silane and azo pigment into a stirring container for mixing and stirring, then pouring dodecyl triethoxy silane, tert-butyl hydroquinone and compound amino alcohol into the stirring container for continuous stirring, and obtaining the chromatic silane waterproof material.
The specific silane waterproof material has the following properties:
example 3
Isobutyl triethoxysilane, gamma- (2, 3-epoxypropoxy) propyl trimethoxysilane, phthalocyanine, tert-butyl hydroquinone and compound amino alcohol in a mass ratio of 94: 6: 0.3: 0.3: 0.5 was weighed. Firstly, pouring gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane and phthalocyanine into a stirring container for mixing and stirring, then pouring isobutyl triethoxy silane, tert-butyl hydroquinone and compound amino alcohol into the stirring container for continuously stirring, and obtaining the silane waterproof material with colority.
The specific silane waterproof material has the following properties:
example 4
Dodecyl triethoxysilane, n-octyl triethoxysilane, gamma-mercaptopropyl trimethoxysilane, azo pigments, tert-butyl hydroquinone and compound amino alcohol in a mass ratio of 45: 45: 10: 0.3: 0.2: 0.6 was weighed. Firstly, pouring gamma-mercaptopropyltrimethoxysilane and azo pigment into a stirring container for mixing and stirring, then pouring dodecyl triethoxysilane, n-octyl triethoxysilane, tert-butyl hydroquinone and compound amino alcohol into the stirring container for continuous stirring, and obtaining the silane waterproof material with colority.
The specific silane waterproof material has the following properties:
example 5
Methyl triethoxysilane, gamma-aminopropyl trimethoxysilane, isoindolone, tert-butyl hydroquinone and compound amino alcohol in a mass ratio of 90: 10: 0.1: 0.2: 0.2 was weighed. Firstly, pouring gamma-aminopropyl trimethoxy silane and isoindolinone into a stirring container for mixing and stirring, then pouring methyl triethoxy silane, tert-butyl hydroquinone and compound amino alcohol into the stirring container for continuous stirring, and obtaining the silane waterproof material with colority.
The specific silane waterproof material has the following properties:
example 6
N-octyl triethoxysilane, isoindolone, tert-butyl hydroquinone and compound amino alcohol according to the mass ratio of 100: 0.1: 0.2: 0.2 was weighed. And pouring n-octyl triethoxysilane, isoindolinone, tert-butyl hydroquinone and compound amino alcohol into a stirring container, and mixing and stirring to obtain the colorized silane waterproof material.
The specific silane waterproof material has the following properties:
example 7
Dodecyl triethoxysilane, gamma-aminoethyl aminopropyl trimethoxysilane, iron oxide red, tert-butyl hydroquinone and compound amino alcohol in a mass ratio of 92: 8: 0.2: 0.2: 0.3 was weighed. Firstly, pouring gamma-aminoethyl aminopropyl trimethoxy silane and iron oxide red into a stirring container for mixing and stirring, then pouring dodecyl triethoxy silane, tert-butyl hydroquinone and compound amino alcohol into the stirring container for continuous stirring, and obtaining the chromatic silane waterproof material.
The specific silane waterproof material has the following properties:
example 8
Dodecyl triethoxysilane, iron oxide red, tert-butyl hydroquinone and compound amino alcohol according to the mass ratio of 100: 0.2: 0.2: 0.3 was weighed. And pouring the dodecyl triethoxysilane, the iron oxide red, the tert-butyl hydroquinone and the compound amino alcohol into a stirring container to be stirred, thus obtaining the colorful silane waterproof material.
The specific silane waterproof material has the following properties:
comparing example 1 with example 5, it can be seen that the non-alkane silane (methyl triethoxysilane) used in example 5, the performance test results show that the penetration depth, the chloride absorption reducing effect, the concrete water absorption and other performances of the waterproof material are all reduced, and the surface color is affected after 3000 times of continuous washing, further highlighting the necessity of the alkane silane in the present invention.
Comparing example 1 with example 6, it can be seen that in example 6, the silane coupling agent is not added, and the colorability of the waterproof material is changed after being brushed with the waterproof material for 1000 times, which further indicates that the bonding force between the colorant and the substrate is increased by the presence of the coupling agent, so that the colorability of the substrate can be maintained for a long time.
Comparing example 2, example 7 and example 8 it can be seen that both examples 7 and 8 use inorganic pigments. Compared with organic pigments, the binding force between the inorganic pigment and a base surface is reduced, and the washing resistance is obviously reduced; meanwhile, the addition of the inorganic pigment also has a certain influence on the protective performance of the waterproof material, and the penetration depth, the chloride absorption reduction effect, the concrete water absorption rate and other performances are reduced.
It can also be seen from the comparison of example 7 and example 8 that the presence of the coupling agent, whether an inorganic pigment or an organic pigment, has an effect on the improvement of the scouring resistance of the water repellent material. 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), because the silane coupling agent can penetrate through the cementing surface and penetrate into the concrete to perform chemical reaction 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 service life of the concrete is prolonged.
Claims (7)
1. The silane waterproof material with colority is characterized by comprising the following specific components: 80-95 parts of an alkane silane; 5-15 parts of a silane coupling agent; 0.1-0.5 part of organic colorant; 0.1-0.5 part of antioxidant; 0.1-1 part of preservative.
2. The colored silane waterproofing material according to claim 1, wherein said alkylsilane is one or a combination of isobutyltriethoxysilane, n-octyltriethoxysilane, isooctyltriethoxysilane, decyltriethoxysilane, dodecyltriethoxysilane, hexadecyltriethoxysilane.
3. The colored silane waterproof material of claim 1, wherein the silane coupling agent is one or a combination of γ -aminopropyltriethoxysilane, γ - (2, 3-epoxypropoxy) propyltrimethoxysilane, γ -methacryloxypropyltrimethoxysilane, γ -mercaptopropyltrimethoxysilane, and γ -aminoethylaminopropyltrimethoxysilane.
4. 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.
5. The colored silane waterproof material of claim 1, wherein the antioxidant is one or a combination of tea polyphenol, flavonoids, butyl hydroxy anisole, dibutyl hydroxy toluene and tert-butyl hydroquinone.
6. The colored silane waterproof material of claim 1, wherein the preservative is one or a combination of sodium benzoate, nitrite and compound amino alcohol.
7. The method for preparing a silane waterproof material with colority according to any one of claims 1 to 6, which comprises the following steps:
(1) respectively weighing the alkane silane, the silane coupling agent, the organic colorant, the antioxidant and the preservative according to the parts by weight;
(2) firstly, pouring the weighed silane coupling agent and the weighed 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 to ensure 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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