CN102433050B - Nanometer multifunctional substrate coating and preparation method thereof - Google Patents
Nanometer multifunctional substrate coating and preparation method thereof Download PDFInfo
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- CN102433050B CN102433050B CN201110265908.1A CN201110265908A CN102433050B CN 102433050 B CN102433050 B CN 102433050B CN 201110265908 A CN201110265908 A CN 201110265908A CN 102433050 B CN102433050 B CN 102433050B
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- 238000000576 coating method Methods 0.000 title claims abstract description 127
- 239000011248 coating agent Substances 0.000 title claims abstract description 124
- 239000000758 substrate Substances 0.000 title claims abstract description 98
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 15
- 239000000049 pigment Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims abstract description 7
- 239000004094 surface-active agent Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 70
- 239000002131 composite material Substances 0.000 claims description 35
- 239000004793 Polystyrene Substances 0.000 claims description 33
- 239000003795 chemical substances by application Substances 0.000 claims description 31
- 239000002245 particle Substances 0.000 claims description 30
- 229920002223 polystyrene Polymers 0.000 claims description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 239000000853 adhesive Substances 0.000 claims description 25
- 230000001070 adhesive effect Effects 0.000 claims description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 22
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000013530 defoamer Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 14
- 239000000839 emulsion Substances 0.000 claims description 14
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 12
- 229920002635 polyurethane Polymers 0.000 claims description 12
- 239000004814 polyurethane Substances 0.000 claims description 12
- 239000013543 active substance Substances 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 11
- 239000004408 titanium dioxide Substances 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 230000008719 thickening Effects 0.000 claims description 8
- 229920000178 Acrylic resin Polymers 0.000 claims description 7
- 239000002105 nanoparticle Substances 0.000 claims description 7
- -1 polysiloxane Polymers 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims description 7
- 239000012745 toughening agent Substances 0.000 claims description 7
- 239000004925 Acrylic resin Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000000123 paper Substances 0.000 claims description 5
- 235000019353 potassium silicate Nutrition 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
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- 238000001914 filtration Methods 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 3
- NECRQCBKTGZNMH-UHFFFAOYSA-N 3,5-dimethylhex-1-yn-3-ol Chemical compound CC(C)CC(C)(O)C#C NECRQCBKTGZNMH-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- 239000004111 Potassium silicate Substances 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- 239000013504 Triton X-100 Substances 0.000 claims description 3
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- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
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- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims description 3
- 229910052913 potassium silicate Inorganic materials 0.000 claims description 3
- RLQWHDODQVOVKU-UHFFFAOYSA-N tetrapotassium;silicate Chemical compound [K+].[K+].[K+].[K+].[O-][Si]([O-])([O-])[O-] RLQWHDODQVOVKU-UHFFFAOYSA-N 0.000 claims description 3
- DUIOKRXOKLLURE-UHFFFAOYSA-N 2-octylphenol Chemical compound CCCCCCCCC1=CC=CC=C1O DUIOKRXOKLLURE-UHFFFAOYSA-N 0.000 claims description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 2
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- 239000011591 potassium Substances 0.000 claims description 2
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- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 2
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- 229910021653 sulphate ion Inorganic materials 0.000 description 2
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
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Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses a nanometer multifunctional substrate coating, which is characterized in that the nanometer multifunctional substrate coating comprises the following components by mass percent: 2.1-3.2 percentof reinforcing agent, 9-49 percent of carrier, 0.2-0.7 percent of surfactant, 0.2-1.6 percent of dispersing agent, 29-58 percent of resin binder, 0.2-0.4 percent of thickening agent, 6-21 percent of filler, 0.2-0.5 percent of antifoaming agent, 2-4 percent of solvent, 11-21 percent of pigment and 4-7 percent of cross-linking agent. The invention additionally discloses a preparation method of the nanometer multifunctional substrate coating. The nanometer multifunctional substrate coating disclosed by the invention has the characteristics that the durability of cement concrete is improved, the coating has waterproof, elastic, sealing and binding functions and the finish performance can be improved.
Description
Technical field
The present invention relates to a kind of nanometer multifunctional substrate coating and preparation method thereof.
Background technology
The production of composite architectural materials, need to modify to material surface, comprises level and smooth, coarse and texture.Building products may be varying sized and size carry out matching design scale, therefore to saw, numerous and diverse operation of polishing, punching press, shearing.These are revised and can change appearance, and their surface is subject to the contamination of particulate and dust.Unfortunately, this surface is difficult in conjunction with coated material, especially fibrocement gelling material.For dust, polishing, smooth fiber and cement surface, coating adhesion is difficult to realize.Therefore need a kind of multifunctional liner base paint, can sealing substrate again can and coating between second and the first layer (face matter coating) have close attachment power.
Material of construction need to seal and basic coating improves buildings.Separately coating complicated operation and cost are high, and a typical coating process needs a plurality of heating stepses, cleaning, coating, application, heating installation, oven dry, solidify and packing, and all these operations will be with a lot of people's force-summing devices.Often there is the level compatibility issue between different coating, must have substrate coating substrate.And how to prepare a kind of have waterproof, elasticity, sealing, adhesive function, and the substrate coating that can improve finish paint performance becomes emphasis of the present invention.
Summary of the invention
The object of the present invention is to provide a kind of nanometer multifunctional substrate coating and preparation method thereof, multifunctional liner base paint of the present invention is conducive to improve the weather resistance of cement concrete, there is waterproof, elasticity, sealing, adhesive function, and can improve the feature of finish paint performance.
In order to achieve the above object, technical scheme of the present invention is:
A kind of nanometer multifunctional substrate coating, the component that comprises following mass percent: toughener 2.1%～3.2%, carrier 9%～49%, tensio-active agent 0.2%～0.7%, dispersion agent 0.2%～1.6%, resin glue 29%～58%, thickening material 0.2%～0.4%, filler 6%～21%, defoamer 0.2%～0.5%, solvent 2%～4%, colorant 11%～21%, linking agent 4%～7%.As shown in table 1, table 1 is that the compound of nanometer multifunctional substrate coating (NMFP) forms table.
Described toughener adopts nanometer PS@SiO
2; Described carrier adopts water; Described resin glue adopts a kind of in ACRYLIC EMULSION and silicate adhesive or acroleic acid polyurethane tackiness agent; Described tensio-active agent adopts a kind of in nonionogenic tenside or octyl phenol oxyethyl group salt; Described dispersion agent adopts the sodium salt solution of acrylate copolymer; It is basic rheology modifier that described thickening material adopts urethane; Filler adopts particle to be less than the calcium carbonate of 9 microns or the talcum powder of 0.9-9 micron; Toughener is PS@SiO
2core-shell structure nanometer particle; Defoamer adopts polysiloxane or the trade mark Parraffinic defoamer of acetylene compound modification; Pigment adopts titanium dioxide, and solvent adopts ethylene glycol or butyl glycol ether; Linking agent adopts isocyanic ester.
Described nanometer PS@SiO
2for (the PS@SiO of the product after polystyrene composite silicon dioxide nano particle
2nucleocapsid structure particle prepare reference: Wang Dongbo, " nanometer SiO
2surface grafting polymerization and the dispersion in PP ", synthetic resins and plastics, 25 1 phases of volume in 2008).
Described silicate adopts one or both in water glass and potassium silicate.
Described tensio-active agent adopts Triton X-100 tensio-active agent (being purchased from Rhom and Hass) or surfactant B YK181 (being purchased from BYK-CERA, Germany); Dispersion agent adopts BYK-155 (being purchased from Bykcera, Germany); Thickening material adopts Acrysol RM-8W (being purchased from Rhom and Hass); Defoamer adopts Surfynol DF66 (being purchased from Rhom and Hass) or defoamer 3010 (to be purchased from Munzing Chemical Co., Ltd., Germany) or defoamer SurfvnolDF75 (be purchased from air Chemicals company limited, Lehigh Valiey, Pa); ACRYLIC EMULSION and silicate adhesive adopt acrylic resin UCAR626 (being purchased from Rhom and Hass) and silication potassium resin Kasil (being purchased from Pq Corp., Fu Jigu, Pennsylvania); Acroleic acid polyurethane tackiness agent adopts acrylic resin Carboset CR717 (being purchased from Lubrizol company, Wyclif, Ohio) and sodium silicate binder Rhodocoat WT1000 (being purchased from Rhodia company, Cranbury, New Jersey); Described pigment adopts titanium dioxide Hitox (being purchased from the mineral products of Tor, Copus Christi, Texas) or titanium dioxide Ti-PureR931 (being purchased from E.I. Du Pont, Wihnington, special carat magnificent state).
A preparation method for nanometer multifunctional substrate coating, comprises the steps: 1) add in stainless steel container and add successively tensio-active agent, dispersion agent, defoamer, middling speed to mix after carrier within 25-31 minute, to obtain uniform mixture; 2) slowly add pulverulent mixture pigment, filler, speed lapping mixture 31-41 minute is until fineness 140-150 micron; 3) then slowly add toughener and solvent, and slowly add resin glue, low speed mixing 11-16 minute; 4) measure and adjust pH value, making pH is 9-10; 5) utilize 150 microns of filter paper filterings to obtain product.
Beneficial effect of the present invention is: nano material combines with substrate coating, can improve the function of substrate coating.Nano silicon (SiO
2) be a kind of ultra-violet radiation resisting (anti-aging) material, the specific surface area of its atomic little nano particle is large in addition, can when substrate coating is dry, form very soon reticulated structure, increases intensity and the bounding force of substrate coating simultaneously.The reaction equation that unsaturated compound is attached to (Si-H) base is:
By SiO
2the surface modification of nanoparticle, polystyrene graft modified superfine SiO
2surface can be avoided single nano level (1～100 nanometer) agglomeration traits effectively, can also obtain compound synergistic function, improves dispersiveness, mobility and the chemical mobility of the surface of particle.Its technology of preparing is as follows:
Combination (the nanometer SiO of function base
2particle surface engineering) → nanometer SiO
2the finishing of particle (surface chemical reaction) → nanometer SiO
2the core-shell material PS (polystyrene graft copolymer) of the compound one deck nanometer of particle surface is PS@SiO
2core-shell structure nanometer particle → polymer blended → nanometer multifunctional substrate coating.
In the present invention, resin glue is the structure of both sexes, both can be combined with organism and also can be combined with hydrate.High molecular polymer comprises lipophilicity segment and hydrophilic radical, so PS@SiO
2(polystyrene graft copolymerization clad nano silicon-dioxide) core-shell structure nanometer particle can compatiblely with resin glue reach enhancing adhesivity.Nanometer multifunctional substrate coating comprises PS@SiO
2core-shell structure nanometer particle, acrylic latex tackiness agent and silicate, ACRYLIC EMULSION and polyurethane binder and combination thereof, the present invention's formula is given the behavior that multifunctional nano tackiness agent forms, selected adhesive agent emulsion, strengthens the performance that adheres to composite architectural materials.There is sealing base material, be penetrated into base material micropore internal structure, stop up the pore of base material, the effect of waterproof infiltration and alkali resistant isolation.The alkaline water that can prevent base material is penetrated into topcoating destruction coating.Reinforcement effectively, reinforcing substrate.Between the cement particle of cement concrete, exist more than micron dimension hole to form capillary porosity duct, the etching medium of environment, for example, cause the CO of carboniogenesis
2produce the sulphate cpd of sulphate attack, and cause the muriate of steel bar corrosion and the required oxygen of steel bar corrosion etc. is constantly provided, mostly by water medium, enter concrete structure inside.Therefore adopt multifunctional liner base paint to be conducive to improve the weather resistance of cement concrete.The present invention's nanometer multifunctional substrate coating of filling a prescription has waterproof, elasticity, sealing, adhesive function; Multi-functional behavior is unique, is different from common priming paint and face matter coating, has the effect that improves finish paint performance.Nanometer multifunctional substrate coating formula secondly of the present invention improves the sticking power of face matter coating.This is because the present invention comprises the binding agent that ACRYLIC EMULSION and silicate adhesive, acrylic latex and polyurethane binder and combination thereof form, and has the characteristic of multifunctional binder and sealing, and remarkable snappiness is provided.Nanometer multifunctional substrate coating has flexible characteristic, for cement concrete basic crack change in displacement, has very large servo-actuated property.The general width that produces thread crack of cement concrete is 0.1～0.3mm, and structural cracks is more than 0.3mm, and its width is because winter in summer, temperature difference round the clock often change.And the present invention fills a prescription and adopts ACRYLIC EMULSION and silicate adhesive, can be cross-linked, thermofixation, two-pack are solidified, ultraviolet light polymerization and other thermoplasticity are solidified.
The present invention is applicable to composite architectural materials, and cement constructional material for example improves sticking power and the sealing characteristics of substrate coating.The production of composite architectural materials, need to modify to material surface, comprises level and smooth, coarse and texture.Building products may be varying sized and size carry out matching design scale, therefore to saw, numerous and diverse operation of polishing, punching press, shearing.These are revised and can change appearance, and their surface is subject to the contamination of particulate and dust.Unfortunately, this surface is difficult in conjunction with coated material, especially fibrocement gelling material.For dust, polishing, smooth fiber and cement surface, coating adhesion is difficult to realize.Therefore need a kind of multifunctional liner base paint, can sealing substrate again can and coating between second and the first layer (face matter coating) have close attachment power.
Material of construction need to seal and basic coating improves buildings.Separately coating complicated operation and cost are high, and a typical coating process needs a plurality of heating stepses, cleaning, coating, application, heating installation, oven dry, solidify and packing, and all these operations will be with a lot of people's force-summing devices.Often there is the level compatibility issue between different coating, must have substrate coating substrate.Multifunctional liner base paint and other face matter coating fit applications, both improved the wearing quality of coating and functional, reduced again a large amount of human and material resources.
Accompanying drawing explanation
Fig. 1 is the wet adhesion (Pressuresensitive Tape is measured sticking power, level) and nanometer PS@SiO of nanometer multifunctional substrate coating of the present invention
2the dependency of nucleocapsid structure particle content;
Fig. 2 is the wet adhesion of substrate coating of the present invention and the dependency of pigment volume concentration (PVC);
Fig. 3 is the weight dependency of dry sticking power (Pressuresensitive Tape is measured sticking power, level) with the silicate adhesive of nanometer multifunctional substrate coating of the present invention;
Fig. 4 is that the present invention is in the chiltern surface of composite architectural materials, the dry sticking power of nanometer multifunctional substrate coating and the dependency of coat-thickness;
Fig. 5 is that the present invention is in thick matter surface, the cut edge of composite architectural materials, the dry sticking power of nanometer multifunctional substrate coating and the dependency of coat-thickness;
Fig. 6 is that the present invention is in the chiltern coat surface of composite architectural materials, the wet adhesion of nanometer multifunctional substrate coating and the dependency of coat-thickness;
Fig. 7 is that the present invention is in the chiltern coat surface of composite architectural materials, the dependency of the build of nanometer multifunctional substrate coating and the wet adhesion of top coat.
Embodiment
Embodiment 1
The present embodiment is in the stainless steel vessel of 1000 milliliters, add 349 grams of distilled water, 1.5 grams of Triton X-100 tensio-active agents (being purchased from Rhom and Hass), 1.5 grams of dispersant B YK-155 (are purchased from Bykcera, Germany), 1.5 grams of thickening material Acrysol RM-8W (being purchased from Rhom and Hass), 0.4 gram of defoamer Surfynol DF66 (being purchased from Rhom and Hass) is blended in 25 to 31 minutes moderate speeds, until obtain uniform mixture.Slowly add 79 grams of titanium dioxide of pulverulent mixture and 139 grams of calcium carbonate.Then grinding mixture high dispersive obtains fineness 140-150 micron for 31 to 46 minutes.Slowly add PS@SiO
2nucleocapsid structure particle [(the PS@SiO of the product after polystyrene composite silicon dioxide nano particle
2nucleocapsid structure particle prepare reference: Wang Dongbo, " nanometer SiO
2surface grafting polymerization and the dispersion in PP ", synthetic resins and plastics, 25 1 phases of volume in 2008)]: ethylene glycol=1: 6 grams of 3 suspension.Slowly add 286 grams of acrylic resin UCAR626 (being purchased from Rhom and Hass), low speed mixing 11-16 minute.Add again 143 grams of potassium silicate binder Kasil (being purchased from Pq Corp., Fu Jigu, Pennsylvania), low speed mixing 11-16 minute.While completing, add 0.11 gram of defoamer 3010 (being purchased from Munzing Chemical Co., Ltd., Germany) to mix 11-16 minute.Finally adjust pH value for 9-10, with 150 microns of filter paper filterings, obtain multifunctional liner base paint (priming paint).
The multifunctional liner base paint of above-mentioned example 1, available brush (for example foam brush, or other) is coated in base material (as building surface).One or more surfaces all can be coated with multifunctional liner base paint.For example robust fibre cement matrix may have the upper surface of a polishing and the asperities of four limit process sawings.All stromal surface can be coated with.The thickness of the consumption of this wet coating material after face is done with the coating on limit is identical.The typical sample of fibrocement is 87.5mmx300mmx25mm, initial weight in wet base content 4%-49%, 71 ℃-82 ℃ of initial plate temperature.Apply multifunctional liner base paint on upper surface and each limit of this sample, then put into lab oven baking, 232 ℃ of design temperatures cool to 71 ℃ of-88 ℃ of taking-ups of plate surface temperature automatically.
The coating sample of nanometer multifunctional substrate coating further aging at least 24 hours at ambient temperature, then analyzes.
Before brushing topcoating, above-mentioned sample can be cooled to 32 ℃-50 ℃.Topcoating is water miscible outer layer coating, 100% acrylic latex.The coating content of brushing surface and corner is controlled at 1.5-2.5 cubic centimetre build.Then this topcoating is put into lab oven and is aged to 71 ℃ of-88 ℃ of taking-ups of plate surface temperature.The coating sample of topcoating further aging at least 24 hours at ambient temperature, then analyzes.
Embodiment 2
The present embodiment is at the stainless steel vessel of 500 milliliters, add 49 grams of distilled water, 8 grams of solvent ethylene glycol butyl ether, 1.1 grams of surfactant B YK181 (being purchased from BYK-CERA, Germany), 4.7 grams of dispersant B YK155 (are purchased from BYK-CERA, Germany) and 1.1 grams of defoamer SurfvnolDF75 (be purchased from air Chemicals company limited, Lehigh Valiey, Pa), middling speed is mixed 25-31 minute until obtain uniform mixture.Slowly add 31 grams of titanium dioxide Hitox of pulverulent mixture (to be purchased from the mineral products of Tor, Copus Christi, Texas), 40 grams of titanium dioxide Ti-Pure R931 (are purchased from E.I. Du Pont, Wihnington, special carat magnificent state) and 49 grams of talcum powder Pioneer Talc2620.Speed lapping mixture 31-41 minute is until fineness 140-150 micron.Slowly add PS@SiO
2nucleocapsid structure particle [(the PS@SiO of the product after polystyrene composite silicon dioxide nano particle
2nucleocapsid structure particle prepare reference: Wang Dongbo, " nanometer SiO
2surface grafting polymerization and the dispersion in PP ", synthetic resins and plastics, 25 1 phases of volume in 2008)]: ethylene glycol=1: 6 grams of 3 suspension.Slowly add 92 grams of acrylic resin Carboset CR717 (being purchased from Lubrizol company, Wyclif, Ohio).In low speed mixing, add 46 grams of sodium silicate binder Rhodocoat WT1000 (being purchased from Rhodia company, Cranbury, New Jersey), continue low speed mixing 11-16 minute.After completing, pH value determination and adjustment product pH value are 9-10, finally by crossing 150 microns of filter paper filterings, obtain product multifunctional liner base paint.
Adopt 25mm foam brush, that carries out example 2 product multifunctional liner base paints is applied in fibrocement sample, and its pattern is the asperities of sand surface and four limit sawings and swabbing not.The build that the wet consumption of this coating will be controlled at sample face and limit is identical.Sample is of a size of 87.5mmx300mmx25mm, the initial weight in wet base (%) of sample is 6-49%, the initial plate temperature of sample is 10 ℃-82 ℃. wet multifunctional liner base paint brush covers face and the limit of sample, send the delivering baking oven of a use for laboratory to, being set in 232 ℃ can dry in automatic speed regulation, and plate surface temperature is 71 ℃-88 ℃ and takes out sample.
The coating sample of nanometer multifunctional substrate coating further aging at least 24 hours at ambient temperature, then analyzes.
Some sample is also wanted coated surface coating.Before brushing topcoating, above-mentioned sample can be cooled to 32 ℃-60 ℃.Topcoating is water miscible outer layer coating, 100% acrylic latex.The coating content of brushing surface and corner is controlled at 1.6-2.6 cubic centimetre build.Then this topcoating is put into lab oven and is baked to 71 ℃ of-88 ℃ of taking-ups of plate surface temperature.The coating sample of topcoating further aging at least 24 hours at ambient temperature, then analyzes.
The sample demonstration of foregoing description, nanometer multifunctional substrate coating has improved viscosity at composite architectural materials.Nanometer multifunctional substrate coating has the function of priming paint and seal gum, and in this formula, caking agent comprises the tackiness agent that ACRYLIC EMULSION and silicate form, acrylate silicate adhesive, acroleic acid polyurethane tackiness agent, or the binding substances of these tackiness agents.This nanometer multifunctional substrate coating can be for applicable buildings stromal surface, and both having made its surface is granular, dust or polishing, all has excellent adhesion property.
Nanometer multifunctional substrate coating of the present invention (priming paint) has improved the contact surface of viscosity at topcoating (finish paint).This formula discloses this substrate coating can be applied to suitable buildings base material, composite porous, topcoating, for example inside and outside paint of buildings, painted, varnish, construction was used dusty or base material that calcination is surperficial.Therefore life-span usage period that this formula nanometer multifunctional substrate coating has improved paint or topcoating.
Above-mentioned improved nanometer multifunctional substrate coating seals effectively, can stop moisture seepage composite architectural materials.Nanometer multifunctional substrate coating of the present invention is applied to composite architectural materials, has excellent wet adhesion and dry adhesivity.The coat-thickness that changes this formula nanometer multifunctional substrate coating can operate its viscosity.In any case substrate coating of the present invention can be applied to suitable buildings base material, composite porous, topcoating, for example inside and outside paint of buildings, painted, varnish, construction was used dusty or base material that calcination is surperficial.Therefore nanometer multifunctional substrate coating of the present invention has improved the adhesivity of paint or topcoating.In Table 1, the compound that table 1 is nanometer multifunctional substrate coating of the present invention (NMFP) forms table, and wherein * represents polystyrene (PS) composite silicon dioxide SiO2 nanoparticle; The multifunctionality of each paint formulation of the embodiment of the present invention is embodied in the behavior of sealing and substrate coating.It expressed in term " sealing " is substrate coating, is applicable to the sealing of substrate surface.For example, it is usually used as the substrate coating of paint, spot and varnish.The formula of substrate coating is designed to the base material of material of construction, is specially adapted to composite architectural materials, comprises fiber cement substrates and surperficial by the coarse sand of sawing.Table 2 is the many merit lining degrees of coating of bottom material of various embodiments of the present invention nanometer and the dependency of bulking value.In coating, the solids content of composition be take Kg/L as Units of Account.NMFP (NO.) represents the effective constituent composition of nanometer multifunctional substrate coating, and NVM represents the per-cent of quality solids content (Kg/Kg) %, and NVV represents the per-cent of volume solids content (Kg/L) %, and PVC represents nanometer PS@SiO
2the per-cent of particle or colorant volumetric concentration (Kg/L) %, CPVC represents nanometer PS@SiO
2the per-cent of particle or colorant critical volume concentration (Kg/L) %.Table 3 is for having the weight percent of nanometer multifunctional substrate coating (NMFP) solid content (1.20-1.32Kg/L) of silicon Acrylote tackiness agent and the dependency of weight in embodiment 1.Resin glue A represents acrylic binder, and resin glue B represents silicate adhesive.* NVM represents the solids content of quality; NVV represents the solids content of volume; PVC represents volumetric concentration; CPVC represents critical volume concentration.* NMFP5A represents acrylic binder; NMFP5B represents silicate adhesive.As shown in Table 3: NVM < 43%, NVV < 26%, PVC=39%, CPVC=56%, the solids content of this formula is 1.20～1.32Kg/L.Table 4 is for having the weight of nanometer multifunctional substrate coating (NMFP) solid content (1.44-1.56Kg/L) of acrylic acid-polyurethane tackiness agent and the dependency of concentration in embodiment 2.* NVM represents the solids content of quality; NVV represents the solids content of volume; PVC represents volumetric concentration; CPVC represents critical volume concentration.* NMFP5C represents acrylic binder; NMFP5D represents isocyanate adhesive.As shown in Table 4: quality solids content (NVM) < 59%, volume solids content (NVV) < 46%, nanometer PS@SiO
2volumetric concentration < 20%, color volumetric concentration (PVC)=29%, nanometer PS@SiO
2critical volume concentration (CPVC)=30%, colorant critical volume concentration (CPVC)=51%, the solids content of this formula is 1.44～1.56Kg/L.Table 5 is waterproof/sealing/elasticity/bond properties table of embodiment of the present invention nanometer multifunctional substrate coating (NMFP), shows waterproof sealing performance (Water Sensitivity, testing standard ASTMD4062).Nanometer multifunctional substrate coating is applied to concrete water silt particle substrate surface, and base material is 100mmx100mmx200mm, and the brushing of this substrate coating, at this base material, is dried 24 hours in 21 ℃～25 ℃ of room temperatures and relative humidity 45%～55%, and dried film thickness is greater than 20 microns.Then this substrate coating of brushing is made the square tank test (Water Sport Test, ASTMD1308) of enclosing, and square the enclosing in tank of uncovered, adds 2～3 ml waters, and after 24 hours, this substrate coating film is not got blister, and does not permeate water outlet yet.Film can soften, but complete can the recovery of 24 hour decubation caudacoria.Carry out ASTMD3363 standard, film is complete to be interpreted as hardness and to diminish and be no more than Yi Zhi pencil hardness unit.This is and the result not having through film (control sample) comparison of water logging.Nanometer multifunctional substrate coating can be applied to multiple type of substrate as shown in Table 5, comprises concrete water silt particle base material, metal base and surface irregularity caping base material, has excellent waterproof, sealing, elasticity and bond properties.
Shown in Fig. 1 and 2, the wet adhesion that Fig. 1 is nanometer multifunctional substrate coating of the present invention (Pressuresensitive Tape is measured sticking power, level) and nanometer PS@SiO
2the dependency of nucleocapsid structure particle content; Fig. 2 is the wet adhesion of substrate coating of the present invention and the dependency of pigment volume concentration (PVC); Can obtain wet adhesion and the nanometer PS@SiO of nanometer multifunctional substrate coating
2the dependency of nucleocapsid structure particle content and pigment volume concentration (PVC).Composite sample Roughen Edges in appearance sawing has been described, the wet adhesive power that the multifunctional liner base paint of preparing with this formula and upper finishing coat have.Upper finishing coat is that water soluble acrylic acid paint thickness is 1.5 cubic centimetres.Multifunctional liner base paint comprises vinylformic acid-silicate adhesive, and this coat-thickness is 0.8 cubic centimetre.Nanometer PS@SiO
2nucleocapsid structure particle content is 2.1%～3.1% (w/w), and pigment volume concentration (PVC) is between 28%～42% (Kg/L).This substrate coating is applied to composite architectural materials and water-and acrylate coating thereof, has good wet adhesive power, and the enhancement of special nanometer PS@SiO2 nucleocapsid structure particle has significantly improved wet adhesive power.This test adopts ASTMD3359-95 < < adhesion test method standard, with pressure sensitive tape test, measures sticking power > >.The index of sticking power is 0～5A, and 5A level is best sticking power.
For wet adhesive power, sample comprises the material of construction that cement, sand form, and cuts into sample size: 87.5mmx300mmx25mm.All there are sand and cutting in every corner of sample, in room temperature and humidity, is 1%～60%, there is no sealing agent, 0.8 cubic centimetre of build of coated substrate paint thickness, and this substrate coating is in rising temperature (oven drying temperature is 60 ℃～88 ℃) sclerosis, then cooling.Applying ACRYLIC EMULSION thickness is 1.5 cubic centimetres of builds, cooling after the temperature that raises equally sclerosis.This sample soaked after 24 hours in water, took out sample and dried surperficial water with toilet paper.
Test is coated in the wet adhesion of the substrate coating of composite architectural materials sample, on priming paint, cut out one until the X-shaped otch of base material (ground), application Pressuresensitive Tape (25mm is wide) is attached to otch upper 1 hour at room temperature (25 ℃ +/-5 ℃), then tears.0A-5A grade according to standard A STMD3359-95 is evaluated sticking power qualitatively.Each need to measure 9 above samples Fig. 1 and Fig. 2.The rank of wet adhesion, the area coming off from backing coating by paint film judges.
For Fig. 2 and 3, the ratio of silicate adhesive and acrylic binder is 1: 2 (Kg/Kg).Fig. 1 has illustrated nanometer PS@SiO
2nucleocapsid structure particle can strengthen wet adhesion, weighs 2.1%PS@SiO from improving performance and economic benefit
2nucleocapsid structure particle is best.Fig. 4 has described the mass ratio of silicate adhesive to acrylic binder, and the preparation of sample is with above-mentioned the same.For Fig. 4, wet adhesion applies multifunctional liner base paint and 100% ACRYLIC EMULSION of this formula at the composite architectural materials sample surfaces of rough lumber cut edge.The thickness that applies multifunctional liner base paint is 0.9 cubic centimetre, and topsheet surface paint thickness is 1.5 cubic centimetres.Fig. 4 has shown that silicate adhesive is 0.7: 1.4th to the weight ratio of acrylic binder, suitable.
Fig. 5 has illustrated the rank of dry sticking power, and the sand surface at the concrete complex building material of sand and cement, applies acrylic acid-polyurethane multifunctional liner base paint, and this matrix coating calculates with weight ratio (%).Fig. 5 represents that multifunctional liner base paint has good dry sticking power.In any case the substrate coating of each different thickness is coated in the concrete of sand face, is generally less than 5.3% multifunctional liner base paint film and is removed by Pressuresensitive Tape.Coat-thickness does not change the rank of sticking power substantially.In needs, thicker multifunctional liner base paint film can be used for reducing to remove being less than 2.3% paint film.Adopt appropriate end liner coat-thickness to contribute to deal with the surface daub on a wall of all putty.
Fig. 6 has shown the rank of dry sticking power, on the surface of the concrete complex building material rough lumber cut edge of sand and cement, as shown in Figure 5, applies the multi-functional matrix coating of acrylic acid-polyurethane, and this substrate coating calculates with weight ratio (%).Fig. 6 represents that multifunctional liner base paint has good dry sticking power.In any case the substrate coating of each different thickness is coated in the concrete of rough lumber cut edge, is generally less than 6.3% multifunctional liner base paint film and is removed by Pressuresensitive Tape.Coat-thickness does not change the rank of sticking power substantially.In needs, thicker multifunctional liner base paint film can be used for reducing and remove paint film.Adopt appropriate end liner coat-thickness to contribute to deal with the surface daub on a wall of all putty.
Fig. 7 has described the rank of wet adhesion, and the sand surface at the concrete complex building material of sand and cement, applies acrylic acid-polyurethane multifunctional liner base paint, and this substrate coating calculates with weight ratio (%).As shown in Fig. 2,3,4 and 5, at this substrate coating layer, adding painting ACRYLIC EMULSION is topsheet surface coating.Fig. 7 represents that multifunctional liner base paint has good wet adhesion in wet condition.In any case the matrix coating of each different thickness is coated in the concrete of sand face, is generally less than 6.5% multifunctional liner base paint film and is removed by Pressuresensitive Tape.Coat-thickness does not change the rank of sticking power substantially.In needs, thicker multifunctional liner base paint film can be used for reducing to remove being less than 2.3% paint film.Adopt appropriate end liner coat-thickness to contribute to deal with the surface daub on a wall of all putty.
Fig. 8 has described the rank of wet adhesion, on the surface of the concrete complex building material rough lumber cut edge of sand and cement, applies acrylic acid-polyurethane multifunctional liner base paint, and this substrate coating calculates with weight ratio (%).At this substrate coating layer, adding painting ACRYLIC EMULSION is topsheet surface coating.Fig. 8 represents that the build of multifunctional liner base paint has obvious impact for wet adhesion on the surface of composite architectural materials rough lumber cut edge.Nanometer multifunctional substrate coating thickness is greater than 0.75 cubic centimetre, is less than 9.7% topsheet surface paint film is removed by Pressuresensitive Tape in wet condition.
At this sample used, composite architectural materials is that one poroid or two kind of differing materials forms.For example, composite gypsum material, cement composite material, ore deposit, ground polymer composites, or other matrix material has a kind of building complex material of inorganic adhesive.Material surface may be polishing, sawing cuts, punching, water jet cutting, shearing, processing, polishing, extrude, mold pressing, or the required various size that are made by other processes, the object of shape.Composite architectural materials can be process completely, part processing, or unprocessed state of nature.Composite architectural materials may further comprise plasterboard, fiber cement board, fibrous reticulum or cloth refinforced cement plate, gypsum staple fibre plate, reticulin fiber, linear fiber, inorganic wood material and fibre composite, timber and ground mineral polymer fortifying fibre plate, mixed earth roofing tile material and composite fiber-plastic materials.Desirable fiber comprises various cellulosic filamentary materials, for example, and processing or untreated, bleaching or unbleached kraft pulp.Also have the Mierocrystalline cellulose of other form to use.For example, pottery, glass, mineral wool, steel, synthetic polymer (polymeric amide, polyester, polypropylene, polypropylene cyanogen, polypropylene cyanamide, viscose glue, nylon, polyvinyl chloride, polyvinyl alcohol, artificial silk, glass-ceramic, carbon and composition thereof).
Any additive can select to add matrix material, comprises density properties-correcting agent, dispersion agent, nano-silicon dioxide particle composite material granular, titanium dioxide, fire retardant, viscosity modifier, thickening material, pigment, tinting material, mould inhibitor, whipping agent, flocculation agent, water-resisting agent, aluminium powder, kaolin, aluminium hydroxide, mica, calcium carbonate, macromolecule resin emulsion and composition thereof.
Nanometer multifunctional substrate coating has improved the base material physics and chemistry character of material of construction, and more current existing primer performance is high and function is many.The existing sealing of multifunctional liner base paint of this description, water-proof function, have again the premium properties of priming paint putty.
In actual applications, the nanometer multifunctional substrate coating of this description is coated in composite architectural materials very good adhesive power.The ratio that changes pigment volume concentration (PVC), resin and the tackiness agent of this substrate coating formula, provides how better character.
In Another Application example, the nanometer multifunctional substrate coating of this description is coated in the fiber cement substrates of dusty or polishing, has improved the sticking power between matrix of materials and priming paint putty, has improved finish paint (paint, varnish, water-borne coatings) sticking power.This is surperficial pardon and the perviousness that has embodied nanometer multifunctional substrate coating.Specifically: nanometer multifunctional substrate coating can either contain surface dirt and enter this coating, can adhere to again the glazed surface micropore that enters fiber cement substrates, so it has remarkable adhesion function.
Nanometer multifunctional substrate coating, for the interior rustproof lacquer of composite architectural materials has improved adhesion property.Importantly, the formula of this design provides the wearing quality of substrate coating brilliance, and the traditional product of Performance Ratio is better.The example below providing is representational and unconfined Recipe, construction application nanometer multifunctional substrate coating.
Although specific description of foreground, has described and has pointed out sure novel content of the present invention in detail.But by the aspect being appreciated that, variously in illustrating and applying ignore, replace and change, skilled technique person can operate according to content of the present invention.In fact appreciate that the application that the present invention specializes can have the significantly form of itself.
Table 1
Table 2
Table 3
Table 4
Table 5
Claims (5)
1. a nanometer multifunctional substrate coating, it is characterized in that comprising the component of following mass percent: toughener 2.1%～3.2%, carrier 9%～49%, tensio-active agent 0.2%～0.7%, dispersion agent 0.2%～1.6%, resin glue 29%～58%, thickening material 0.2%～0.4%, filler 6%～21%, defoamer 0.2%～0.5%, solvent 2%～4%, pigment 11%～21%, linking agent 4%～7%;
Described toughener adopts the nanometer PS@SiO2 particle of nucleocapsid structure; Described carrier adopts water; Described resin glue adopts a kind of in ACRYLIC EMULSION and silicate adhesive or acroleic acid polyurethane tackiness agent; Described tensio-active agent adopts a kind of in nonionogenic tenside or octyl phenol oxyethyl group salt; Described dispersion agent adopts the sodium salt solution of acrylate copolymer; It is basic rheology modifier that described thickening material adopts urethane; Filler adopts particle to be less than the calcium carbonate of 9 microns or the talcum powder of 0.9-9 micron; Defoamer adopts polysiloxane or the trade mark Parraffinic defoamer of acetylene compound modification; Pigment adopts titanium dioxide, and solvent adopts ethylene glycol or butyl glycol ether; Linking agent adopts isocyanic ester.
2. a kind of nanometer multifunctional substrate coating as claimed in claim 1, is characterized in that: described nanometer PS@SiO2 particle is the product after polystyrene composite silicon dioxide nano particle.
3. a kind of nanometer multifunctional substrate coating as claimed in claim 1, is characterized in that: described silicate adopts one or both in water glass and potassium silicate, and the ratio of acrylate and silicate adhesive is 1.40 and 0.70.
4. a kind of nanometer multifunctional substrate coating as claimed in claim 1, is characterized in that: described tensio-active agent adopts Triton X-100 tensio-active agent or surfactant B YK181; Dispersion agent adopts BYK-155; Thickening material adopts Acrysol RM-8W; Defoamer adopts Surfynol DF66 or defoamer 3010 or defoamer Surfvnol DF75; ACRYLIC EMULSION and silicate adhesive adopt acrylic resin UCAR626 and silication potassium resin Kasil; Acroleic acid polyurethane tackiness agent adopts acrylic resin Carboset CR717 and Rhodocoat WT1000; Described pigment adopts titanium dioxide Hitox or titanium dioxide Ti-Pure R931.
5. a preparation method for nanometer multifunctional substrate coating as claimed in claim 1, is characterized in that comprising the steps: 1) add in stainless steel container and add successively tensio-active agent, dispersion agent, defoamer, middling speed to mix after carrier within 25-31 minute, to obtain uniform mixture; 2) slowly add pulverulent mixture pigment, filler, speed lapping mixture 31-41 minute is until fineness 140-150 micron; 3) then slowly add toughener and solvent, and slowly add resin glue, low speed mixing 11-16 minute; 4) measure and adjust pH value, making pH is 9-10; 5) utilize 150 microns of filter paper filterings to obtain product.
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| CN102757676B (en) * | 2012-05-10 | 2014-03-26 | 中国人民解放军总后勤部军需装备研究所 | Low-emissivity nano-coating and preparation method and application thereof |
| CN103289559A (en) * | 2013-06-19 | 2013-09-11 | 江苏海晟涂料有限公司 | Dedicated coating for high speed trains and preparation method thereof |
| CN103333612A (en) * | 2013-06-26 | 2013-10-02 | 江苏宏宇防水建材有限公司 | Water-based quick-setting sealed plastic waterproof material |
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| EP3153550A1 (en) * | 2015-10-05 | 2017-04-12 | 3M Innovative Properties Company | Room temperature curing highly durable anti-reflective coating containing nanoparticles |
| CN109761576B (en) * | 2019-03-20 | 2021-09-21 | 深圳市航天新材科技有限公司 | Functional sealing curing agent and preparation method thereof |
| CN111040552A (en) * | 2019-12-31 | 2020-04-21 | 吉林大学 | Winter intelligent waterproof agent for asphalt concrete pavement and preparation method thereof |
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| US4745139A (en) * | 1987-02-09 | 1988-05-17 | Pdi, Inc. | Elastomeric coatings containing glass bubbles |
| CN101108951A (en) * | 2007-08-30 | 2008-01-23 | 桂林工学院 | Aquosity bi-component polyurethane coloured paint and method of manufacturing the same |
-
2011
- 2011-09-08 CN CN201110265908.1A patent/CN102433050B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4745139A (en) * | 1987-02-09 | 1988-05-17 | Pdi, Inc. | Elastomeric coatings containing glass bubbles |
| CN101108951A (en) * | 2007-08-30 | 2008-01-23 | 桂林工学院 | Aquosity bi-component polyurethane coloured paint and method of manufacturing the same |
Non-Patent Citations (1)
| Title |
|---|
| 裘小宁.聚苯乙烯－SiO2杂化材料的合成与表征.《涂料工业》.2009,第39卷(第5期),第31-34页. * |
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| CN102433050A (en) | 2012-05-02 |
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