CN109233377A - A kind of nanometer of toughening inorganic transparent protective coating - Google Patents
A kind of nanometer of toughening inorganic transparent protective coating Download PDFInfo
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- CN109233377A CN109233377A CN201811002127.1A CN201811002127A CN109233377A CN 109233377 A CN109233377 A CN 109233377A CN 201811002127 A CN201811002127 A CN 201811002127A CN 109233377 A CN109233377 A CN 109233377A
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- China
- Prior art keywords
- nanometer
- coating
- inorganic
- waterglass
- methyl silicate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011253 protective coating Substances 0.000 title claims abstract description 24
- 238000000576 coating method Methods 0.000 claims abstract description 52
- 239000011248 coating agent Substances 0.000 claims abstract description 51
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 34
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000008367 deionised water Substances 0.000 claims abstract description 21
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 7
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 7
- 239000010452 phosphate Substances 0.000 claims abstract description 7
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002270 dispersing agent Substances 0.000 claims abstract description 6
- 239000004094 surface-active agent Substances 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims description 23
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 14
- 229910052700 potassium Inorganic materials 0.000 claims description 14
- 239000011591 potassium Substances 0.000 claims description 14
- XYRAEZLPSATLHH-UHFFFAOYSA-N trisodium methoxy(trioxido)silane Chemical group [Na+].[Na+].[Na+].CO[Si]([O-])([O-])[O-] XYRAEZLPSATLHH-UHFFFAOYSA-N 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 13
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 12
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 claims description 12
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- XLUBVTJUEUUZMR-UHFFFAOYSA-B silicon(4+);tetraphosphate Chemical compound [Si+4].[Si+4].[Si+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XLUBVTJUEUUZMR-UHFFFAOYSA-B 0.000 claims description 7
- 229910014314 BYK190 Inorganic materials 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- XTIIITNXEHRMQL-UHFFFAOYSA-N tripotassium methoxy(trioxido)silane Chemical compound [K+].[K+].[K+].CO[Si]([O-])([O-])[O-] XTIIITNXEHRMQL-UHFFFAOYSA-N 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 239000004576 sand Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 239000000945 filler Substances 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 3
- 238000005054 agglomeration Methods 0.000 abstract description 2
- 230000002776 aggregation Effects 0.000 abstract description 2
- 239000002086 nanomaterial Substances 0.000 abstract description 2
- 239000002585 base Substances 0.000 description 22
- 239000002002 slurry Substances 0.000 description 22
- 238000000227 grinding Methods 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 17
- 238000003756 stirring Methods 0.000 description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 239000011268 mixed slurry Substances 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 238000002360 preparation method Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000003801 milling Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- -1 modulus 3.0~6.0 Substances 0.000 description 6
- 238000002242 deionisation method Methods 0.000 description 5
- 239000005028 tinplate Substances 0.000 description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000012745 toughening agent Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- MPPQGYCZBNURDG-UHFFFAOYSA-N 2-propionyl-6-dimethylaminonaphthalene Chemical compound C1=C(N(C)C)C=CC2=CC(C(=O)CC)=CC=C21 MPPQGYCZBNURDG-UHFFFAOYSA-N 0.000 description 1
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241000195940 Bryophyta Species 0.000 description 1
- 239000004111 Potassium silicate Substances 0.000 description 1
- GDKWXCWTFCPDFQ-UHFFFAOYSA-N [Si].OP(O)(O)=O Chemical group [Si].OP(O)(O)=O GDKWXCWTFCPDFQ-UHFFFAOYSA-N 0.000 description 1
- 229930013930 alkaloid Natural products 0.000 description 1
- 150000003797 alkaloid derivatives Chemical class 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 description 1
- 229910052912 lithium silicate Inorganic materials 0.000 description 1
- VVNXEADCOVSAER-UHFFFAOYSA-N lithium sodium Chemical compound [Li].[Na] VVNXEADCOVSAER-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 1
- 229910052913 potassium silicate Inorganic materials 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 235000002020 sage Nutrition 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052905 tridymite Inorganic materials 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
-
- 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
- C04B41/50—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 inorganic materials
- C04B41/5076—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 inorganic materials with masses bonded by inorganic cements
- C04B41/5089—Silica sols, alkyl, ammonium or alkali metal silicate cements
-
- 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
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
- C04B41/68—Silicic acid; Silicates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Structural Engineering (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to inorganic coating fields, it is desirable to provide a kind of nanometer of toughening inorganic transparent protective coating.The coating is to be composed of the following weight percentages of raw materials: waterglass 70~85%, methyl silicate 1~10%, phosphate 5~8%, nanofiller 0.5~2.0%, dispersing agent 0.3~1.0%, surfactant 0.1~0.8%, defoaming agent 0.3~1.0%, deionized water 3.1~10.7%；The present invention uses nano material toughened inorganic coating, and not only toughening effect is good, does not reduce the performances such as coating mechanical property (such as hardness, wear-resisting), water-fast, ageing-resistant also.Nano ZnO is stablized, and can mix with strong basicity inorganic coating, qualitative change will not occur.Filler is ground using nanometer sand mill, reduces packing material size≤0.2 μm, is not only conducive to prepare transparent inorganic coating, nanofiller agglomeration tendency can also be weakened, it is made more preferably to play toughening effect.
Description
Technical field
The present invention relates to a kind of nanometer of toughening inorganic transparent protective coatings, belong to inorganic coating field.
Background technique
Inorganic coating is a kind of using inorganic material as the coating of film forming matter, predominantly silicate (sodium, potassium or lithium salts) class
Waterglass inorganic coating, compared with current main-stream organic coating, with a series of advantages, such as: 1) noninflammability, inorganic coating
Heat-resisting property is especially good, will not only burn at a high temperature of 1200 DEG C, but also fire-retardant；2) petrifaction, inorganic coating energy
It is chemically reacted with mineral substrate, forms the silicic acid rock of a kind of waterproof, acid-proof；3) gas permeability, inorganic coating have waterproof
Property and height breathing power, evaporate the moisture of masonry inside freely outward；There is the filtration of alkaloid substance simultaneously, it can
Prevent coating bubble, generate thermal spalling and play scale and after peeling off and constructing by alkali pollution the disadvantages of；4) sterile and anti-moss
It breeds, inorganic coating has the characteristic (pH value is 10.5 or more) of alkali, can kill mushroom and bryophyte spores, therefore need not rely on
Mould inhibitor or preservative breed to resist mould and moss, achieve the effect that natural moisture-proof, mould proof；5) painting color never takes off
Color, inorganic coating are handled because of the characteristic with inorganic matter, and by special oxidation modification, it can entirely prevent sub- shape it
Radiation, color have unique superpower weatherability；6) feature of environmental protection, inorganic coating can be antiacid, so not by the dirt of industry discharge
The influence of compound and the exhaust gas of automobile discharge, the case where not generating electrostatic attraction dust and being piled into dirt, can reduce manyfold；
7) odorless is conducive to preserve the ecological environment.
Silicate (sodium, potassium or lithium salts) class waterglass inorganic coating the curing agent such as prodan, silicon phosphate effect under or
Under room temperature with CO in atmosphere2Water based polymerization can occur for reaction, silicate, be formed using-Si-O- key as the network knot of polymerized unit
Structure.Since-Si-O- key bond energy is high, the generally existing hardness of inorganic coating is high, and wear-resisting property is good, but the defects of poor toughness.
To improve inorganic coating toughness, common method is that organic resin is added in inorganic coating, by organic resin
The good feature of flexibility, to enhance inorganic coating toughness (Zhou Lei, the modified high mode potassium silicate aqueous inorganic zinc-enriched coating of silicone acrylic emulsion
Research, Hunan University's Master's thesis, 2014；When sage rush, the preparation and performance of aqueous silicate inorganic zinc-rich anticorrosive paint
Research, Southwest Petrol University's Master's thesis, 2017；Wu Huating, Xu Yi, Ding Xingeng, Yang Hui, Wang Haifeng, lithium metasilicate/sodium-silicon
The design and performance analysis of acrylic emulsion compound protective coating, New Building Materials, 2016,62-65).Although organic resin can increase
Tough inorganic coating, but the performances such as inorganic coating mechanical property (such as hardness, wear-resisting), water resistance, ageing-resistant can be also reduced simultaneously.
Also, organic resin is all to be added in the form of an emulsion, is mixed for a long time with strong basicity inorganic coating, will lead to demulsification, coating
The defects of performance is unstable.Based on this, more suitable inorganic coating toughener is found, is had to improve inorganic coating toughness very
It is necessary.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, it is inorganic to provide a kind of nanometer of toughening
Bright protective coating.
In order to solve the technical problem, solution of the invention is:
A kind of nanometer of toughening inorganic transparent protective coating is provided, is to be composed of the following weight percentages of raw materials: waterglass
70~85%, methyl silicate 1~10%, phosphate 5~8%, nanofiller 0.5~2.0%, dispersing agent 0.3~1.0%,
Surfactant 0.1~0.8%, defoaming agent 0.3~1.0%, deionized water 3.1~10.7%；
Wherein, waterglass is one of sodium base waterglass, potassium base waterglass or lithium base waterglass, modulus 3.0~6.0,
Solid content 20~50%；Methyl silicate is sodium methyl silicate or potassium methyl silicate, solid content 30~50%；Phosphate is phosphoric acid
Silicon or tripolyphosphate silicon, partial size≤10 μm.
In the present invention, the nanofiller is nanometer Fe2O3, Nano-meter SiO_22, nano-TiO2, nano-ZnO or nanometer Al2O3In
It is one or more；The dispersing agent is one of BYK190, Dego740W, 5040；The surfactant be BYK346,
One of BYK333, FSO-100, OP-10；The defoaming agent is one of BYK024, TEGO 810, DC-65.
Nanometer toughening inorganic transparent protective coating of the present invention can be prepared by following methods:
(1) each raw material component is weighed by the weight percent；
(2) methyl silicate, phosphate, nanofiller, dispersing agent, surfactant and deionized water are added to ingredient
In bucket, stirring forms mixed slurry；
(3) mixed slurry is injected into nanon ball-mill and is ground；The charge velocity of mixed slurry is 1~10L/
Min, milling time are 60~180min, abrasive media ZrO2Diameter be 0.1~0.5mm, the maximum of mixed slurry after grinding
Partial size≤0.2 μm.
(4) waterglass and defoaming agent are added into dispersion machine, ground mixed slurry is added after stirring；Continue to stir,
Obtain a nanometer toughening inorganic transparent protective coating.Waterglass being stirred in dispersion machine and when defoaming agent, mixing time is 1~
10min, dispersing speed are 500~1000rpm；After ground mixed slurry is added, mixing time is 10~30min, point
Dissipating machine revolving speed is 500~2000rpm.
The present invention prepares the application method of product: the routinely application method and usage amount of protective coating sends out this
Bright product is to coat or spraying method is overlying on building concrete or stone surface.
Inventive principle description:
Nanometer toughening inorganic transparent protective coating provided by the invention, using sodium base, potassium base or lithium base waterglass as film forming matter
Matter, using phosphate as curing agent, promotes waterglass rapid curing at normal temperature, simultaneously using methyl silicate as structure regulator
Using nanofiller as toughener, because nanofiller granularity is small, it is doped in basis material, when matrix is impacted, nanometer
Micro-crack (crazing) is generated between particle and matrix, and also generates plastic deformation between nanoparticle, absorbs impact energy, because
This, can play the effect of toughening inorganic coating.In addition, the present invention due to using nanometer sand mill to silicon phosphate, nanofiller into
Row grinding, makes its maximum particle diameter≤0.2 μm, and therefore, inorganic coating visible light of the present invention can directly pass through, therefore the transparency
It is good.
Compared with prior art, the invention has the advantages that:
1, the present invention uses nano material toughened inorganic coating, and not only toughening effect is good, does not reduce coating mechanical property also
The performances such as (such as hardness, wear-resisting), water-fast, ageing-resistant.
2, nano ZnO is stablized, and can mix with strong basicity inorganic coating, qualitative change will not occur.
3, filler is ground using nanometer sand mill, reduces packing material size≤0.2 μm, be not only conducive to prepare transparent inorganic painting
Layer, can also weaken nanofiller agglomeration tendency, it is made more preferably to play toughening effect.
Specific embodiment
Implementation of the invention is described combined with specific embodiments below.
Embodiment 1
Nanometer toughening inorganic transparent protective coating, is composed of the following weight percentages of raw materials: sodium base waterglass (modulus
3.0, solid content 50%) 70%, sodium methyl silicate (solid content 30%) 10%, silicon phosphate (partial size≤10 μm) 7%, nanometer Fe2O3
(partial size 80nm) 0.5%, BYK190 0.3%, BYK346 0.5%, BYK024 1%, deionized water 10.7%, preparation side
Method are as follows:
(1) deionization, sodium methyl silicate, BYK190, BYK346, silicon phosphate, nanometer Fe are weighed by weight2O3, it is added to and matches
It is stirred in charging basket, forms slurry；
(2) slurry is injected into nanon ball-mill (Suzhou Wei Ge nanosecond science and technology Co., Ltd, T series sand mill) and is carried out
Grinding, grinding technics are as follows: slurry charge velocity is 10L/min, milling time 60min, abrasive media ZrO2Diameter be 0.1~
0.5mm, slurry maximum particle diameter≤0.2 μm after grinding；
(3) in high speed disperser, sodium base waterglass and BYK024 is added, stirs 1min, revolving speed 1000rpm, step is added
The mixed slurry of rapid 2 preparation, continues to stir 10min, revolving speed 2000rpm, obtains a nanometer toughening inorganic transparent protective coating.It is sprayed
It is applied on tinplate, then, adhesive force is tested according to GB/T 9286-1998, and resistance to bend(ing) is surveyed according to GB/T 6742-1986
Examination, pencil hardness are tested according to GB/T 6739-1996, and performance is shown in Table 1.
Embodiment 2
Nanometer toughening inorganic transparent protective coating, is composed of the following weight percentages of raw materials: potassium base waterglass (modulus
5.2, solid content 30%) 80%, potassium methyl silicate (solid content 40%) 5%, tripolyphosphate silicon (partial size≤10 μm) 5%, nanometer
Al2O3(partial size 50nm) 1%, Dego740W 1%, BYK333 0.3%, TEGO 810 0.3%, deionized water 7.4%, system
Preparation Method are as follows:
(1) deionization, potassium methyl silicate, Dego740W, BYK333, tripolyphosphate silicon, nanometer Al are weighed by weight2O3, add
Enter and stirred into mixer, forms slurry；
(2) slurry is injected into nanon ball-mill (Suzhou Wei Ge nanosecond science and technology Co., Ltd, T series sand mill) and is carried out
Grinding, grinding technics are as follows: slurry charge velocity is 1L/min, milling time 180min, abrasive media ZrO2Diameter be 0.1~
0.5mm, slurry maximum particle diameter≤0.2 μm after grinding；
(3) in high speed disperser, potassium base waterglass and TEGO 810 is added, stirs 10min, revolving speed 500rpm, is added
Mixed slurry prepared by step 2 continues to stir 30min, revolving speed 500rpm, obtains a nanometer toughening inorganic transparent protective coating.By its
It is sprayed on tinplate, then, adhesive force is tested according to GB/T 9286-1998, and resistance to bend(ing) is according to GB/T 6742-1986
Test, pencil hardness are tested according to GB/T 6739-1996, and performance is shown in Table 1.
Embodiment 3
Nanometer toughening inorganic transparent protective coating, is composed of the following weight percentages of raw materials: lithium base waterglass (modulus
6.0, solid content 20%) 85%, sodium methyl silicate (solid content 40%) 1%, tripolyphosphate silicon (partial size≤10 μm) 8%, nanometer
ZnO (partial size 50nm) 2%, 5,040 0.5%, FSO-100 0.1%, DC-65 0.3%, deionized water 3.1%, preparation side
Method are as follows:
(1) deionization, sodium methyl silicate, 5040, FSO-100, tripolyphosphate silicon, nano-ZnO are weighed by weight, are added to
It is stirred in mixer, forms slurry；
(2) slurry is injected into nanon ball-mill (Suzhou Wei Ge nanosecond science and technology Co., Ltd, T series sand mill) and is carried out
Grinding, grinding technics are as follows: slurry charge velocity is 5L/min, milling time 120min, abrasive media ZrO2Diameter be 0.1~
0.5mm, slurry maximum particle diameter≤0.2 μm after grinding；
(3) in high speed disperser, lithium base waterglass and DC-65 is added, stirs 5min, revolving speed 800rpm, step 2 is added
The mixed slurry of preparation continues to stir 20min, revolving speed 1000rpm, obtains a nanometer toughening inorganic transparent protective coating.It is sprayed
In on tinplate, then, adhesive force is tested according to GB/T 9286-1998, and resistance to bend(ing) is surveyed according to GB/T 6742-1986
Examination, pencil hardness are tested according to GB/T 6739-1996, and performance is shown in Table 1.
Embodiment 4
Nanometer toughening inorganic transparent protective coating, is composed of the following weight percentages of raw materials: potassium base waterglass (modulus
4.8, solid content 30%) 82%, sodium methyl silicate (solid content 35%) 4%, tripolyphosphate silicon (partial size≤10 μm) 7%, nanometer
SiO2(partial size 20nm) 0.5%, BYK190 0.5%, OP-10 0.6%, BYK024 0.4%, deionized water 5.0%, system
Preparation Method are as follows:
(1) deionization, sodium methyl silicate, BYK190, OP-10, tripolyphosphate silicon, Nano-meter SiO_2 are weighed by weight2, it is added
It is stirred into mixer, forms slurry；
(2) slurry is injected into nanon ball-mill (Suzhou Wei Ge nanosecond science and technology Co., Ltd, T series sand mill) and is carried out
Grinding, grinding technics are as follows: slurry charge velocity is 6L/min, milling time 150min, abrasive media ZrO2Diameter be 0.1~
0.5mm, slurry maximum particle diameter≤0.2 μm after grinding；
(3) in high speed disperser, lithium base waterglass and DC-65 is added, stirs 6min, revolving speed 600rpm, step 2 is added
The mixed slurry of preparation continues to stir 20min, revolving speed 1200rpm, obtains a nanometer toughening inorganic transparent protective coating.It is sprayed
In on tinplate, then, adhesive force is tested according to GB/T 9286-1998, and resistance to bend(ing) is surveyed according to GB/T 6742-1986
Examination, pencil hardness are tested according to GB/T 6739-1996, and performance is shown in Table 1.
Embodiment 5
Nanometer toughening inorganic transparent protective coating, is composed of the following weight percentages of raw materials: sodium base waterglass (modulus
3.5, solid content 40%) 80%, sodium methyl silicate (solid content 50%) 6%, silicon phosphate (partial size≤10 μm) 6%, nano-TiO2
(partial size 30nm) 0.4%, Nano-meter SiO_22(partial size 20nm) 0.4%, 5,040 0.6%, BYK346 0.8%, BYK024 0.5%,
Deionized water 5.3%, preparation method are as follows:
(1) deionization, sodium methyl silicate, 5040, BYK346, silicon phosphate, nano-TiO are weighed by weight2, Nano-meter SiO_22, add
Enter and stirred into mixer, forms slurry；
(2) slurry is injected into nanon ball-mill (Suzhou Wei Ge nanosecond science and technology Co., Ltd, T series sand mill) and is carried out
Grinding, grinding technics are as follows: slurry charge velocity is 8L/min, milling time 140min, abrasive media ZrO2Diameter be 0.1~
0.5mm, slurry maximum particle diameter≤0.2 μm after grinding；
(3) in high speed disperser, lithium base waterglass and BYK024 is added, stirs 5min, revolving speed 700rpm, step is added
The mixed slurry of 2 preparations continues to stir 25min, revolving speed 900rpm, obtains a nanometer toughening inorganic transparent protective coating.It is sprayed
In on tinplate, then, adhesive force is tested according to GB/T 9286-1998, and resistance to bend(ing) is surveyed according to GB/T 6742-1986
Examination, pencil hardness are tested according to GB/T 6739-1996, and performance is shown in Table 1.
1. nanometers of toughening inorganic transparent protective coating performances of table
| Embodiment | Adhesive force (cross-hatching) (grade) | Resistance to bend(ing) (mm) | Pencil hardness (H) |
| 1 | 2 | 2 | 4 |
| 2 | 1 | 2 | 5 |
| 3 | 2 | 3 | 5 |
| 4 | 1 | 1 | 5 |
| 5 | 2 | 2 | 4 |
Compare embodiment
Following comparative example, by above-mentioned 5 cases adhesive force and the best embodiment 4 of resistance to bend(ing) based on into
Row setting.
Comparative example 1
By " Nano-meter SiO_2 in embodiment 42(partial size 20nm) 0.5%, deionized water 5.0% " changes " Nano-meter SiO_2 into2(partial size
20nm) 0%, deionized water 5.5% ", remaining is same as embodiment 4, and inorganic coating performance is shown in Table 2.
Comparative example 2
By " Nano-meter SiO_2 in embodiment 42(partial size 20nm) 0.5% " changes " SiO into2(0.5 μm of partial size) 0.5% ", remaining is same
In embodiment 4, inorganic coating performance is shown in Table 2.
Comparative example 3
By " Nano-meter SiO_2 in embodiment 42(partial size 20nm) 0.5% " changes " SiO into2(2.5 μm of partial size) 0.5% ", remaining is same
In embodiment 4, inorganic coating performance is shown in Table 2.
Comparative example 4
By " potassium base waterglass (modulus 4.8, solid content 30%) 82%, deionized water 5.0% " changes " potassium into embodiment 4
Base waterglass (modulus 4.8, solid content 30%) 86%, deionized water 1.0% ", remaining is same as embodiment 4, inorganic coating performance
It is shown in Table 2.
Comparative example 5
By " potassium base waterglass (modulus 4.8, solid content 30%) 82%, deionized water 5.0% " changes " potassium into embodiment 4
Base waterglass (modulus 4.8, solid content 30%) 65%, deionized water 22.0% ", remaining is same as embodiment 4, inorganic coating performance
It is shown in Table 2.
Comparative example 6
By " tripolyphosphate silicon (partial size≤10 μm) 7%, deionized water 5.0% " changes " tripolyphosphate silicon into embodiment 4
(partial size≤10 μm) 10%, deionized water 2.0% ", remaining is same as embodiment 4, and inorganic coating performance is shown in Table 2.
Comparative example 7
By " tripolyphosphate silicon (partial size≤10 μm) 7%, deionized water 5.0% " changes " tripolyphosphate silicon into embodiment 4
(partial size≤10 μm) 4%, deionized water 8.0% ", remaining is same as embodiment 4, and inorganic coating performance is shown in Table 2.
Comparative example 8
By " sodium methyl silicate (solid content 35%) 4%, deionized water 5.0% " changes " sodium methyl silicate into embodiment 4
(solid content 35%) 0%, deionized water 9.0% ", remaining is same as embodiment 4, and inorganic coating performance is shown in Table 2.
Comparative example 9
By " potassium base waterglass (modulus 4.8, solid content 30%) 82%, sodium methyl silicate (solid content 35%) in embodiment 4
4% " change into " potassium base waterglass (modulus 4.8, solid content 30%) 74%, sodium methyl silicate (solid content 35%) 12% ", remaining
It is same as embodiment 4, inorganic coating performance is shown in Table 2.
Comparative example 10
" milling time 150min " in embodiment 4 is changed into " milling time 0min ", remaining is same as embodiment 4, nothing
Organic coating performance is shown in Table 2.
Comparative example 11
" slurry maximum particle diameter≤0.2 μm after grinding " in embodiment 4 is changed into " 2 μm of slurry maximum particle diameter after grinding ",
Remaining to be same as embodiment 4, inorganic coating performance is shown in Table 2.
2. nanometers of toughening inorganic transparent protective coating performances of table
| Comparative example | Adhesive force (cross-hatching) (grade) | Resistance to bend(ing) (mm) | Pencil hardness (H) |
| 1 | 1 | 4 | 5 |
| 2 | 2 | 4 | 5 |
| 3 | 2 | 5 | 5 |
| 4 | 2 | 3 | 5 |
| 5 | 3 | 3 | 3 |
| 6 | 2 | 2 | 4 |
| 7 | 3 | 2 | 4 |
| 8 | 2 | 3 | 5 |
| 9 | 3 | 2 | 4 |
| 10 | 2 | 5 | 4 |
| 11 | 2 | 4 | 5 |
From the point of view of comparative example 1~3, not adding nanofiller or addition coarse grain diameter filler be will lead under inorganic coating toughness
Drop, i.e. resistance to bend(ing) value increase；Comparative example 4~9 illustrates inorganic coating formula to the property such as coating adhesion, resistance to bend(ing), hardness
There can be larger impact；Comparative example 10 grinds filler without using nanometer sand mill, and packing material size is big, and coating resistance to bend(ing) value is big, tough
Poor, the comparative example 11 of property, packing material size is still larger after grinding, and coating resistance to bend(ing) value is still larger, and toughness is also poor.
The above list is only a few specific embodiments of the present invention for finally, it should also be noted that.Obviously, this hair
Bright to be not limited to above embodiments, acceptable there are many deformations.Those skilled in the art can be from present disclosure
All deformations for directly exporting or associating, are considered as protection scope of the present invention.
Claims (2)
1. a kind of nanometer of toughening inorganic transparent protective coating, which is characterized in that be to be composed of the following weight percentages of raw materials: water
Glass 70~85%, methyl silicate 1~10%, phosphate 5~8%, nanofiller 0.5~2.0%, dispersing agent 0.3~
1.0%, surfactant 0.1~0.8%, defoaming agent 0.3~1.0%, deionized water 3.1~10.7%；
Wherein, waterglass is one of sodium base waterglass, potassium base waterglass or lithium base waterglass, modulus 3.0~6.0, admittedly contain
Amount 20~50%；Methyl silicate is sodium methyl silicate or potassium methyl silicate, solid content 30~50%；Phosphate be silicon phosphate or
Tripolyphosphate silicon, partial size≤10 μm.
2. coating according to claim 1, which is characterized in that the nanofiller is nanometer Fe2O3, Nano-meter SiO_22, nanometer
TiO2, nano-ZnO or nanometer Al2O3One of or it is a variety of；The dispersing agent is BYK190, Dego740W, one in 5040
Kind；The surfactant is one of BYK346, BYK333, FSO-100, OP-10；The defoaming agent be BYK024,
One of TEGO 810, DC-65.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172263A (en) * | 2019-04-19 | 2019-08-27 | 明久材料科技(深圳)有限公司 | Inorganic mineral coating and preparation method thereof |
| CN113248284A (en) * | 2021-06-10 | 2021-08-13 | 广东新明珠陶瓷集团有限公司 | Ceramic tile easy to clean and preparation method thereof |
| CN116875097A (en) * | 2023-06-16 | 2023-10-13 | 中国科学院金属研究所 | High-temperature-resistant corrosion-resistant silicate paint with ultrahigh impedance, and preparation method and application thereof |
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| CN107779090A (en) * | 2017-10-18 | 2018-03-09 | 厦门固克涂料集团有限公司 | Coating of the compound organic fluorinated silicone of inorganic silicic acid lithium potassium solution and preparation method thereof |
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| US3977888A (en) * | 1969-12-08 | 1976-08-31 | Kansai Paint Company, Ltd. | Inorganic coating compositions with alkali silicate |
| CN104387815A (en) * | 2014-11-05 | 2015-03-04 | 广东梅雁吉祥水电股份有限公司 | Green and environment-friendly coating |
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| CN110172263A (en) * | 2019-04-19 | 2019-08-27 | 明久材料科技(深圳)有限公司 | Inorganic mineral coating and preparation method thereof |
| CN113248284A (en) * | 2021-06-10 | 2021-08-13 | 广东新明珠陶瓷集团有限公司 | Ceramic tile easy to clean and preparation method thereof |
| CN113248284B (en) * | 2021-06-10 | 2021-11-09 | 新明珠集团股份有限公司 | Ceramic tile easy to clean and preparation method thereof |
| CN116875097A (en) * | 2023-06-16 | 2023-10-13 | 中国科学院金属研究所 | High-temperature-resistant corrosion-resistant silicate paint with ultrahigh impedance, and preparation method and application thereof |
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