CN104497860A - Pure organic silicon resin bare concrete protecting coating - Google Patents
Pure organic silicon resin bare concrete protecting coating Download PDFInfo
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- CN104497860A CN104497860A CN201410783935.1A CN201410783935A CN104497860A CN 104497860 A CN104497860 A CN 104497860A CN 201410783935 A CN201410783935 A CN 201410783935A CN 104497860 A CN104497860 A CN 104497860A
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Abstract
The invention discloses a pure organic silicon resin bare concrete protecting coating which comprises a primer and a finishing coating, wherein the primer is prepared from the following raw materials in parts by weight: 20-40 parts of non-ionic silane-siloxane emulsion, 20-40 parts of non-ionic organic silicon resin emulsion, 20-58 parts of water and 1-5 parts of a first additive; the finishing coating is prepared from the following raw materials in parts by weight: 25-50 parts of aqueous organic silicon resin emulsion, 25-45 parts of an aqueous self-cross-linking polymer, 0-30 parts of water, 0-7 parts of an auxiliary material, and 1-15 parts of a second additive. The coating is high in permeability, high in adhesion property with substrates and coatings, excellent in one-way migration function and capable of volatilizing steam in a concrete substrate when effectively preventing liquid water from permeating, so that protection and decoration of bare concrete are achieved.
Description
Technical field
Term architectural decoration coating material field of the present invention, is specifically related to a kind of pure silicone resin clear-water concrete protective cover, is applicable to strengthen between coating and base material, is coated with the sticking power of interlayer, improve the permeability of coating.
Background technology
What clear-water concrete showed because of it is the most essential a kind of aesthetic feeling and obtains the favor of increasing architect in the world.But because clear-water concrete is chronically exposed in atmospheric environment; the erosion of the oxide compounds such as the carbonic acid gas in ingress of air, sulfurous gas, sulphur trioxide and moisture content; easily cause the reinforcement corrosion in concrete or concrete surface cracking; therefore; disaggregation in atmospheric environment, organic weathering and chemical weathering are under the impact of concrete destruction, and the protection of clear-water concrete becomes a hot issue.
Chinese patent: patent publication No. CN103146302A; publication date is that the patent of invention of on 06 12nd, 2013 discloses a kind of coating for clear-water concrete protection and construction technology thereof; this clear-water concrete protective cover is coated with by primary coat, middle painting and face and forms, and wherein primary coat is organosilicon polymer, middle coating is self-crosslinking polymer, face is painted with fluorine silicon resin polymkeric substance.Although it has splendid water tolerance, alkali resistance, abrasion resistance and resistance to artificial climate, but system component is comparatively complicated, and sticking power between undercoat and base material, between compound coating is all less, simultaneously, this coating is film-forming type coating entirely, easily causes coating foaming because of poor air permeability and comes off.
Summary of the invention
The object of the invention is to overcome that the complicated components existed in prior art, the sticking power being coated with interlayer are little, the problem of poor air permeability, provide that a kind of component sticking power that is simple, that be coated with interlayer is large, the pure silicone resin clear-water concrete protective cover of good permeability.
For realizing above object, the invention provides following technical scheme:
A kind of pure silicone resin clear-water concrete protective cover, comprises base paint and coating materials;
The raw material composition of described base paint and weight part ratio thereof are: non-ionic type silane-siloxanes emulsion 20 ?40, non-ionic silicone resin emulsion 20 ?40, water 20 ?58, auxiliary agent 1 ?5;
The raw material composition of described coating materials and weight part ratio thereof are: waterborne organic silicon resin emulsion 25 ?50, waterborne self-crosslinkable polymkeric substance 25 ?45, water 0 ?30, auxiliary material 0 ?7, No. two auxiliary agents 1 ?15.
Described waterborne organic silicon resin emulsion is non-ionic type oil-in-water silicone resin emulsion.
Described waterborne self-crosslinkable polymkeric substance is at least one in water-based organosilicon crylic acid latex, water-based pure-acrylic emulsion, waterborne styrene-acrylic emulsion.
Described auxiliary material comprises pigment and filler, and pigment is at least one in Rutile type Titanium Dioxide, phthalocyanine pigment or composite pigment, iron oxide pigment, and filler is at least one in aerosil, water-ground limestone, barium sulfate, mica powder or talcum powder.
A described auxiliary agent comprises a defoamer, a wetting dispersing agent, and a defoamer is modified polyorganosiloxane emulsion, and a wetting dispersing agent is nonionic surface active agent or polycarboxylate.
Described No. two auxiliary agents are at least one in sterilant, pH value regulator, dispersion agent, No. two defoamers, wetting agent, frostproofer, film coalescence aid, auxiliary rheological agents;
Described sterilant is the mixture of 5-nitrogen-MIT and MIT;
Described pH value regulator is 2-amino-2-methyl-1-propanol or ammoniacal liquor;
Described dispersion agent is polycarboxylate sodium or poly carboxylic acid ammonia salt;
Described No. two defoamers are fatty acid ester mineral oil antifoam agent;
Described wetting agent is polysiloxane surfactant, modified polyorganosiloxane or polymeric carboxylic amine salt;
Described frostproofer is ethylene glycol or propylene glycol;
Described film coalescence aid is lauryl alcohol ester;
Described auxiliary rheological agents is hydrophobically-modified alkali swelling type polyacrylic acid or nonionic polyurethane polymkeric substance.
Compared with prior art, beneficial effect of the present invention is:
1, in a kind of pure silicone resin clear-water concrete protective cover of the present invention, the raw material composition of base paint comprises non-ionic type silane-siloxanes emulsion, non-ionic silicone resin emulsion, these two kinds of active substances all have small molecule structure, can infiltrate completely in concrete pore, with concrete substrate generation chemical reaction, form protective layer steady in a long-term, alkaline-resisting Acid Rain, thus increase the life-span of concrete substrate, the raw material composition of coating materials comprises waterborne organic silicon resin emulsion, waterborne self-crosslinkable polymkeric substance, waterborne organic silicon resin and base paint have similar silicone resin structure, and its content is higher, when using it for coating materials and base paint compound use, can enter in undercoat by partial penetration, undercoat and finishing coat are combined as a whole, therefore the compound coating formed has excellent ply adhesion, simultaneously, base paint and coating materials all adopt pure silicone resin coating, the compound coating formed has excellent One Direction Transfer function, can water vapor be made well to penetrate, but liquid water can not enter, thus realize the object of protection concrete substrate.Therefore, the present invention not only makes the sticking power being coated with interlayer large, and permeability is good.
Embodiment
Essentiality content of the present invention is further illustrated below in conjunction with embodiment.
A kind of pure silicone resin clear-water concrete protective cover, comprises base paint and coating materials;
The raw material composition of described base paint and weight part ratio thereof are: non-ionic type silane-siloxanes emulsion 20 ?40, non-ionic silicone resin emulsion 20 ?40, water 20 ?58, auxiliary agent 1 ?5;
The raw material composition of described coating materials and weight part ratio thereof are: waterborne organic silicon resin emulsion 25 ?50, waterborne self-crosslinkable polymkeric substance 25 ?45, water 0 ?30, auxiliary material 0 ?7, No. two auxiliary agents 1 ?15.
Described waterborne organic silicon resin emulsion is non-ionic type oil-in-water silicone resin emulsion.
Described waterborne self-crosslinkable polymkeric substance is at least one in water-based organosilicon crylic acid latex, water-based pure-acrylic emulsion, waterborne styrene-acrylic emulsion.
Described auxiliary material comprises pigment and filler, and pigment is at least one in Rutile type Titanium Dioxide, phthalocyanine pigment or composite pigment, iron oxide pigment, and filler is at least one in aerosil, water-ground limestone, barium sulfate, mica powder or talcum powder.
A described auxiliary agent comprises a defoamer, a wetting dispersing agent, and a defoamer is modified polyorganosiloxane emulsion, and a wetting dispersing agent is nonionic surface active agent or polycarboxylate.
Described No. two auxiliary agents are at least one in sterilant, pH value regulator, dispersion agent, No. two defoamers, wetting agent, frostproofer, film coalescence aid, auxiliary rheological agents;
Described sterilant is the mixture of 5-nitrogen-MIT and MIT;
Described pH value regulator is 2-amino-2-methyl-1-propanol or ammoniacal liquor;
Described dispersion agent is polycarboxylate sodium or poly carboxylic acid ammonia salt;
Described No. two defoamers are fatty acid ester mineral oil antifoam agent;
Described wetting agent is polysiloxane surfactant, modified polyorganosiloxane or polymeric carboxylic amine salt;
Described frostproofer is ethylene glycol or propylene glycol;
Described film coalescence aid is lauryl alcohol ester;
Described auxiliary rheological agents is hydrophobically-modified alkali swelling type polyacrylic acid or nonionic polyurethane polymkeric substance.
Principle of the present invention is described as follows:
System component of the present invention is simple, easy construction.Base paint with non-ionic type silane-siloxanes emulsion and non-ionic silicone resin emulsion for active substance, coating materials for base-material, namely adopts permeable organic silicon resin bottom coating material and transparent type organosilicon coating materials with the mixture of waterborne organic silicon resin emulsion and waterborne self-crosslinkable polymkeric substance.Undercoat has good perviousness, its depth of penetration reach 3 ?5mm, waterproof effect is excellent, has the characteristics such as good durable, alkaline-resisting, salt tolerant; Finishing coat has superior weathering resistance, stain resistant, abrasion resistance and scrub resistance; And sticking power between undercoat and base material, between undercoat and finishing coat is large; Simultaneously, active group in coating can not only interact and form reticulated hydrophobic silicone film, the water-repellent layer that end is rolled into a ball with hydrophobic group can also be formed with the hydroxyl reaction in the inorganic substrates such as concrete, compound coating is made to have excellent One Direction Transfer function, neither hinder the volatilization of base material internal water steam, can play good waterproof action again, its water vapor transmission rate (WVTR) reaches 105g/ (m
2d), more than, water-permeable, much smaller than 0.3mL, has excellent ventilation property.
In base paint of the present invention, non-ionic type silane-siloxanes emulsion and non-ionic silicone resin emulsion can be provided by German Wacker Chemie GmbH or Dow corning.
Embodiment 1:
A kind of pure silicone resin clear-water concrete protective cover, comprises base paint and coating materials, and the raw material composition of described base paint and weight part ratio thereof are: non-ionic type silane-siloxanes emulsion 20, non-ionic silicone resin emulsion 30, water 46.5, modified polyorganosiloxane defoamer 0.5, polycarboxylate sodium's wetting dispersing agent 3, the raw material composition of described coating materials and weight part ratio thereof are: waterborne organic silicon resin emulsion 40, waterborne self-crosslinkable polymkeric substance 30, water 11.9, pigment 0.5, filler 4, sterilant 0.2, pH adjusting agent 0.2, dispersion agent 0.5, film coalescence aid 2, wetting agent 0.5, frostproofer 2, No. two defoamers 0.2, leveling auxiliary agent 8, wherein, described waterborne organic silicon resin emulsion is non-ionic type oil-in-water silicone resin emulsion, waterborne self-crosslinkable polymkeric substance is water-based pure-acrylic emulsion, pigment is Rutile type Titanium Dioxide, filler is aerosil and kaolinic mixture, sterilant is the mixture of 5-nitrogen-MIT and MIT, pH value regulator is 2-amino-2-methyl-1-propanol, dispersion agent is polycarboxylate sodium, No. two defoamers are fatty acid ester mineral oil antifoam agent, wetting agent is polymeric carboxylic amine salt, frostproofer is propylene glycol, and film coalescence aid is lauryl alcohol ester, and auxiliary rheological agents is hydrophobically-modified alkali swelling type polyacrylic acid.
The preparation of above-mentioned coating comprises the preparation of base paint, the preparation of coating materials;
The preparation of base paint: first add water in reactor, stir and form turbulent state, then add non-ionic type silane-siloxanes emulsion, non-ionic silicone resin emulsion, defoamer and wetting dispersing agent in this condition, keep 30min after being uniformly dispersed, after filtration, namely obtain base paint;
The preparation of coating materials: first add water in reactor, stir and form turbulent state, then sterilant, pH value regulator, dispersion agent is added successively in this condition, pigment, filler, waterborne organic silicon resin emulsion, waterborne self-crosslinkable polymkeric substance, defoamer, wetting agent, frostproofer and film coalescence aid is added successively after being uniformly dispersed, 30min is kept after being uniformly dispersed, again rotating speed be reduced to about 250 ?350rpm, add subsequently auxiliary rheological agents stir 30min, namely obtain coating materials after filtration.
Embodiment 2:
Step with embodiment 1, unlike:
The raw material composition of described base paint and weight part ratio thereof are: non-ionic type type silane-siloxanes emulsion 40, non-ionic type type silicone resin emulsion 20, water 38, modified polyorganosiloxane defoamer 1, polycarboxylate sodium's wetting dispersing agent 1, the raw material composition of described coating materials and weight part ratio thereof are: waterborne organic silicon resin emulsion 50, waterborne self-crosslinkable polymkeric substance 25, water 14.6, pigment 0.3, filler 2, sterilant 0.1, pH adjusting agent 0.1, dispersion agent 0.3, film coalescence aid 1, wetting agent 0.3, frostproofer 0.3, No. two defoamers 1, leveling auxiliary agent 5, wherein, described waterborne self-crosslinkable polymkeric substance is water-based organosilicon crylic acid latex, pigment is iron oxide black, filler is barium sulfate and talcous mixture, pH value regulator is ammoniacal liquor, dispersion agent is poly carboxylic acid ammonia salt, wetting agent is polysiloxane surfactant, frostproofer is ethylene glycol, auxiliary rheological agents is nonionic polyurethane polymkeric substance.
Embodiment 3:
Step with embodiment 1, unlike:
The raw material composition of described base paint and weight part ratio thereof are: non-ionic type silane-siloxanes emulsion 30, non-ionic silicone resin emulsion 40, water 24, modified polyorganosiloxane defoamer 2, polycarboxylate sodium's wetting dispersing agent 3, the raw material composition of described coating materials and weight part ratio thereof are: waterborne organic silicon resin emulsion 30, waterborne self-crosslinkable polymkeric substance 45, water 10, pigment 0.2, filler 3, sterilant 0.4, pH adjusting agent 0.1, dispersion agent 0.4, film coalescence aid 3, wetting agent 0.4, frostproofer 3, No. two defoamers 0.5, leveling auxiliary agent 4, wherein, described waterborne self-crosslinkable polymkeric substance is waterborne styrene-acrylic emulsion, pigment is phthalocyanine pigment, filler is aerosil, the mixture of water-ground limestone and mica powder, pH value regulator is ammoniacal liquor, frostproofer is ethylene glycol, auxiliary rheological agents is nonionic polyurethane polymkeric substance.
Embodiment 4:
Step with embodiment 1, unlike:
The raw material composition of described base paint and weight part ratio thereof are: non-ionic type silane-siloxanes emulsion 35, non-ionic silicone resin emulsion 40, water 20, modified polyorganosiloxane defoamer 2, polycarboxylate sodium's wetting dispersing agent 3, the raw material composition of described coating materials and weight part ratio thereof are: waterborne organic silicon resin emulsion 25, waterborne self-crosslinkable polymkeric substance 36, water 30, pigment 2, filler 5, sterilant 0.1, pH adjusting agent 0.1, dispersion agent 0.1, film coalescence aid 0.2, wetting agent 0.1, frostproofer 0.1, No. two defoamers 0.1, leveling auxiliary agent 0.1, wherein, described waterborne self-crosslinkable polymkeric substance is water-based pure-acrylic emulsion, pigment is composite pigment.
Embodiment 5:
Step with embodiment 1, unlike:
The raw material composition of described base paint and weight part ratio thereof are: non-ionic type silane-siloxanes emulsion 40, non-ionic silicone resin emulsion 20, water 58, modified polyorganosiloxane defoamer 0.5, polycarboxylate sodium's wetting dispersing agent 0.5, the raw material composition of described coating materials and weight part ratio thereof are: waterborne organic silicon resin emulsion 25, waterborne self-crosslinkable polymkeric substance 45, water 30, sterilant 1, pH adjusting agent 0.5, dispersion agent 1.2, film coalescence aid 3, wetting agent 0.8, frostproofer 4, No. two defoamers 2, leveling auxiliary agent 3, wherein, pH value regulator is ammoniacal liquor, dispersion agent is poly carboxylic acid ammonia salt, wetting agent is modified polyorganosiloxane, auxiliary rheological agents is nonionic polyurethane polymkeric substance.
Adopt the pure silicone resin clear-water concrete protective cover that above-mentioned five embodiments are obtained, paint film appearance is normal, the depth of penetration (JC/T 902-2002) of base paint reach 3 ?5mm, water-permeable (JG/T 210-2007) is much smaller than 0.3mL; The water vapor transmission rate (WVTR) (JG/T309-2011) of compound coating is 105-145g/ (m
2d), ply adhesion (GB/T9286-1998, cross-hatching) 1 grade, water tolerance (GB/T 1733-1993) 7 days is without exception, alkali resistance (GB/T9265-2009, saturated aqua calcis soaks) 15d is without exception, contamination resistance (GB/T 9780-2005, white and light color) be less than 8%, washability (GB/T 9266-2009) more than 20000 times, artificial ageing resistance (GB/T1865-1997) 1000h is non-foaming, do not ftracture, do not come off.
Claims (6)
1. a pure silicone resin clear-water concrete protective cover, comprises base paint and coating materials, it is characterized in that:
The raw material composition of described base paint and weight part ratio thereof are: non-ionic type silane-siloxanes emulsion 20 ?40, non-ionic silicone resin emulsion 20 ?40, water 20 ?58, auxiliary agent 1 ?5;
The raw material composition of described coating materials and weight part ratio thereof are: waterborne organic silicon resin emulsion 25 ?50, waterborne self-crosslinkable polymkeric substance 25 ?45, water 0 ?30, auxiliary material 0 ?7, No. two auxiliary agents 1 ?15.
2. one according to claim 1 pure silicone resin clear-water concrete protective cover, is characterized in that: described waterborne organic silicon resin emulsion is non-ionic type oil-in-water silicone resin emulsion.
3. one according to claim 1 and 2 pure silicone resin clear-water concrete protective cover, is characterized in that: described waterborne self-crosslinkable polymkeric substance is at least one in water-based organosilicon crylic acid latex, water-based pure-acrylic emulsion, waterborne styrene-acrylic emulsion.
4. one according to claim 1 and 2 pure silicone resin clear-water concrete protective cover, is characterized in that:
Described auxiliary material comprises pigment and filler, and pigment is at least one in Rutile type Titanium Dioxide, phthalocyanine pigment or composite pigment, iron oxide pigment, and filler is at least one in aerosil, water-ground limestone, barium sulfate, mica powder or talcum powder.
5. one according to claim 1 and 2 pure silicone resin clear-water concrete protective cover; it is characterized in that: a described auxiliary agent comprises a defoamer, a wetting dispersing agent; and a defoamer is modified polyorganosiloxane emulsion, a wetting dispersing agent is nonionic surface active agent or polycarboxylate.
6. one according to claim 1 and 2 pure silicone resin clear-water concrete protective cover, is characterized in that:
Described No. two auxiliary agents are at least one in sterilant, pH value regulator, dispersion agent, No. two defoamers, wetting agent, frostproofer, film coalescence aid, auxiliary rheological agents;
Described sterilant is the mixture of 5-nitrogen-MIT and MIT;
Described pH value regulator is 2-amino-2-methyl-1-propanol or ammoniacal liquor;
Described dispersion agent is polycarboxylate sodium or poly carboxylic acid ammonia salt;
Described No. two defoamers are fatty acid ester mineral oil antifoam agent;
Described wetting agent is polysiloxane surfactant, modified polyorganosiloxane or polymeric carboxylic amine salt;
Described frostproofer is ethylene glycol or propylene glycol;
Described film coalescence aid is lauryl alcohol ester;
Described auxiliary rheological agents is hydrophobically-modified alkali swelling type polyacrylic acid or nonionic polyurethane polymkeric substance.
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| CN105238265A (en) * | 2015-11-20 | 2016-01-13 | 天津美士邦涂料化工有限公司 | Organic silicone heat-resisting primer |
| CN106336758A (en) * | 2016-08-22 | 2017-01-18 | 河南省中德新亚新材料研究院有限公司 | Permeable color-adjustable concrete protective material and preparation method thereof |
| CN106518160A (en) * | 2016-09-21 | 2017-03-22 | 东莞市联洲知识产权运营管理有限公司 | Air-permeable weather-resisting semi-permeable clear water concrete protective agent and preparation method thereof |
| CN108997919A (en) * | 2018-09-14 | 2018-12-14 | 铁科创恒新材料科技有限公司 | A kind of aqueous polyurethane coating and preparation method thereof for cold district concrete protective |
| CN110358380A (en) * | 2019-04-24 | 2019-10-22 | 深圳市朗奥洁净科技股份有限公司 | Water paint |
| CN111234670A (en) * | 2020-03-05 | 2020-06-05 | 东莞市卓祥建筑工程有限公司 | Water-based transparent concrete waterproof mildew-proof carbonization-proof coating and preparation method thereof |
| CN114292544A (en) * | 2021-12-30 | 2022-04-08 | 北京市市政工程研究院 | Decorative protective coating, fabricated concrete outer wall veneer, decorative protective precast concrete component and preparation method thereof |
| CN115304969A (en) * | 2022-05-30 | 2022-11-08 | 成都虹润制漆有限公司 | High-permeability high-adhesion water-based paint for exterior wall renovation |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238265A (en) * | 2015-11-20 | 2016-01-13 | 天津美士邦涂料化工有限公司 | Organic silicone heat-resisting primer |
| CN106336758A (en) * | 2016-08-22 | 2017-01-18 | 河南省中德新亚新材料研究院有限公司 | Permeable color-adjustable concrete protective material and preparation method thereof |
| CN106336758B (en) * | 2016-08-22 | 2019-08-09 | 河南省中德新亚新材料研究院有限公司 | A kind of osmosis type color-adjustable concrete protective material and preparation method thereof |
| CN106518160A (en) * | 2016-09-21 | 2017-03-22 | 东莞市联洲知识产权运营管理有限公司 | Air-permeable weather-resisting semi-permeable clear water concrete protective agent and preparation method thereof |
| CN106518160B (en) * | 2016-09-21 | 2019-02-12 | 重庆助扬建材有限公司 | A kind of weather-proof semi-permeable type clear-water concrete protective agent and preparation method thereof of breathing freely |
| CN108997919A (en) * | 2018-09-14 | 2018-12-14 | 铁科创恒新材料科技有限公司 | A kind of aqueous polyurethane coating and preparation method thereof for cold district concrete protective |
| CN110358380A (en) * | 2019-04-24 | 2019-10-22 | 深圳市朗奥洁净科技股份有限公司 | Water paint |
| CN111234670A (en) * | 2020-03-05 | 2020-06-05 | 东莞市卓祥建筑工程有限公司 | Water-based transparent concrete waterproof mildew-proof carbonization-proof coating and preparation method thereof |
| CN114292544A (en) * | 2021-12-30 | 2022-04-08 | 北京市市政工程研究院 | Decorative protective coating, fabricated concrete outer wall veneer, decorative protective precast concrete component and preparation method thereof |
| CN115304969A (en) * | 2022-05-30 | 2022-11-08 | 成都虹润制漆有限公司 | High-permeability high-adhesion water-based paint for exterior wall renovation |
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Address after: 430223 Hubei city of Wuhan province East Lake Development Zone Wuhan University Science Park Road No. 4 Applicant after: WUDA JUCHENG STRUCTURE CO., LTD. Address before: 430223 Hubei city of Wuhan province East Lake Development Zone Wuhan University Science Park Road No. 4 Applicant before: WUDA JUCHENG STRUCTURE CO., LTD. |
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Application publication date: 20150408 |