CN108165167B - Concrete surface color difference decorative coating material - Google Patents
Concrete surface color difference decorative coating material Download PDFInfo
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- CN108165167B CN108165167B CN201810063571.8A CN201810063571A CN108165167B CN 108165167 B CN108165167 B CN 108165167B CN 201810063571 A CN201810063571 A CN 201810063571A CN 108165167 B CN108165167 B CN 108165167B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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- 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
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
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- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
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- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
- C09D133/16—Homopolymers or copolymers of esters containing halogen atoms
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- 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
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a coating material with the chromatic aberration modification property on the surface of concrete, which consists of a bottom coating, a middle coating and a surface coating. The intermediate coating is a modified color-adjusting layer composed of cement-based hemihydrate products, and can simulate the natural alkali-returning effect of the concrete on the premise of approaching the appearance color of the concrete. The invention can adjust the color with different colors aiming at the defects of the color difference, the water marks, the sand lines and the like on the surface of the structure, overcomes the defect of pure color modification of the traditional coating material, and has the advantages of old modification, environmental protection and the like.
Description
Technical Field
The invention relates to the technical field of concrete engineering decoration, in particular to a coating material with a chromatic aberration modification property on the surface of concrete.
Background
Concrete is the largest amount of structural material in current infrastructure construction, consuming hundreds of millions of cubic meters each year. Because of improper concrete preparation, improper construction and other reasons, surface defects such as color difference, alkali return, sand lines, honeycombs and the like often appear in the structural concrete, and although the defects do not directly affect the bearing capacity and durability of the concrete structure, the attractiveness of the structure is seriously affected. With the increasing demand of people on the appearance of concrete structures, the concrete structures with surface defects are modified on the premise of not dismantling and rebuilding, so that the whole concrete structures achieve the effect of not being coated visually, and the demand is more common in engineering.
In order to improve the surface appearance of structural concrete, a clear water imitation concrete coating is available on the market at present, for example, in the prior patent CN 102153949 a, a middle coating composed of fillers such as emulsion, quartz powder and the like and pigments such as rutile titanium dioxide, iron oxide pigment, phthalocyanine and the like is adopted to adjust the appearance color of the concrete, although the coating has a modification function, the color of the coating is a single pure color close to the gray color of the concrete, the surface of an actual structure is not pure gray, but is a mixed color mainly including gray and whitening as auxiliary colors. Thus, these coatings do not achieve the "old-fashioned" effect.
Disclosure of Invention
The invention aims to overcome the defect that the original color of the concrete with defects is poor in recoverability by the existing coating material, and the invention provides a decorative coating material for the color difference on the surface of the concrete.
The invention relates to a concrete surface color difference decorative coating material, which consists of a bottom coating, a middle coating and a surface coating, wherein:
the base coat is a mixture consisting of the following raw materials in parts by mass: 10-60% of organic silicon emulsion, 0-10% of other additives and the balance of water, wherein the total weight is 100%;
the middle coating is a mixture consisting of the following raw materials in parts by mass: 20-70% of polymer emulsion, 10-50% of filler, 10-50% of pigment, 1-20% of other auxiliaries and the balance of water, wherein the total weight is 100%;
the top coat is a mixture consisting of the following raw materials in parts by mass: 50-90% of fluorine modified resin polymer, 0-10% of other additives and the balance of water, wherein the total weight is 100%;
the organic silicon emulsion is one or a mixture of polyalkyl organic silicon resin, polyaryl organic silicon resin and polyalkyl aryl organic silicon resin with silicon content of more than 15%;
the polymer emulsion is one or a mixture of more of silicone-acrylic emulsion, styrene-acrylic emulsion or pure acrylic emulsion;
the filler is one or a mixture of more of ground calcium carbonate, talcum powder, wollastonite, precipitated barium sulfate or sericite powder;
the pigment is prepared by mixing 1 part by mass of superfine portland cement and 3-5 parts by mass of water for 24 hours under heating of a water bath at 50 ℃, standing, filtering, drying, grinding and sieving to obtain a cement semi-hydrated product, and mixing with one or more of rutile titanium dioxide, iron oxide pigment or carbon black;
the other auxiliary agents are one or a mixture of more of film forming auxiliary agents, dispersing agents, wetting agents, thickening agents, defoaming agents or preservatives;
the fluorine modified resin polymer is one or a mixture of more of perfluoroalkyl ethyl acrylate copolymer, N-ethyl-N-ethyl acrylate copolymer, perfluoroethyl methacrylate copolymer, perfluoropropylene copolymer and vinylidene fluoride copolymer, wherein the fluorine content of the fluorine modified resin polymer is more than 18%, and the water contact angle of the fluorine modified resin polymer is more than 100 degrees.
The invention is coated with a modified color-adjusting layer composed of cement-based hemihydrate products, can imitate the natural alkali-returning effect of concrete on the premise of approaching the appearance color of the concrete, and can adjust the color with different characteristics according to the defects of the surface color difference, water marks, sand lines and the like of a structure.
The invention has the following advantages: (1) the pigment composition can be adjusted according to the color of the solid concrete, and the effect of 'repairing old as old' on the surface of the defective concrete can be simulated; (2) the pigment is mainly made of cement-based materials, so that the product cost is low, and the product is green and environment-friendly; (3) the product also has the surface protection function.
Detailed Description
The present invention is further illustrated below with reference to specific examples, which are intended to be illustrative only and not to limit the scope of the invention.
In the following examples, the following materials may be used only for convenience of implementation and are not limiting:
MP50E, Silicone resin emulsion, manufactured by Wacker corporation;
BF-400, silicone-acrylic emulsion, east China Union chemical production;
BF-201, pure acrylic emulsion, east China Union chemical production;
TK-PHCM, cement hemihydrate, prepared by the methods of the examples;
r-258, rutile titanium dioxide, manufactured by Pan Steel vanadium titanium company;
iron oxide color paste, carbon black color paste, produced by Shanghai color raw color material chemical company;
texanol, film-forming aid, produced by Islam chemical company;
propylene glycol, a film forming aid and Dow chemical production;
TFC-5, dispersant, sunrise chemical production;
TFE-1, a wetting agent and sunrise chemical production;
TT935, thickener, Fuste production;
FOAMEX 825, defoaming agent, Digao productions;
CY-1, preservative and Zhejiang Shengxiao;
s100, fluorine-silicon resin emulsion and Fuste production.
Example 1
A coating material with the chromatic aberration modification on the surface of concrete comprises the following components in percentage by weight:
TABLE 1 formulation of color difference-modifying coating material A on concrete surface
The preparation method comprises the following steps:
placing 1 part of superfine portland cement and 3 parts of water into a stirring barrel, keeping stirring for 24 hours at the rotating speed of 500-1500 rpm under the condition of 50 ℃ water bath, standing, performing suction filtration to obtain a semi-hydrated product suspension, drying at 105 ℃, grinding, sieving by a 45-micrometer sieve to obtain a cement semi-hydrated product PHCM, and reserving a sample for later use.
Adding water into a reaction kettle, respectively adding TFC-5 and Texanol under the stirring action, uniformly stirring, sequentially adding MP50E and FOAMEX 825, and uniformly stirring at the rotating speed of 500-800 rpm to obtain the base coat.
Adding deionized water into a reaction kettle, sequentially adding TFC-5, TFE-1, CY-1 and Texanol FOAMEX 825 under the stirring action, adding the next component after one component is uniformly dispersed or dissolved, and keeping stirring at the rotating speed of 500-1000 rpm for 5min after all the components are uniformly dispersed. And after the completion, sequentially adding a cement prehydration product, R-258, heavy calcium carbonate and mica powder, adding the next component after one component is uniformly dispersed, stirring at the rotating speed of 1500-2500 rpm for 15-30 min until the fineness reaches the required range, adjusting the rotating speed to 500-800 rpm, sequentially and slowly adding BF-400, adding iron oxide color paste after stirring uniformly, regulating the viscosity by using TT935 after stirring for 10-20 min, and stirring until the components are uniformly dispersed to obtain the colored intercoat.
And adding water into the reaction kettle, adding S100 under the stirring action, and stirring at the rotating speed of 500-800 rpm until the mixture is uniform to obtain the top coat.
Example 2
A coating material with the chromatic aberration modification on the surface of concrete comprises the following components in percentage by weight:
TABLE 2 formulation of coating material B for modifying the color difference of concrete surface
The preparation method comprises the following steps:
placing 1 part of superfine portland cement and 4 parts of water into a stirring barrel, keeping stirring for 24 hours at the rotating speed of 500-1500 rpm under the condition of 50 ℃ water bath, standing, performing suction filtration to obtain a semi-hydrated product suspension, drying at 105 ℃, grinding, sieving by a 45-micrometer sieve to obtain a cement semi-hydrated product PHCM, and reserving a sample for later use.
Adding water into a reaction kettle, respectively adding TFC-5 and Texanol under the stirring action, uniformly stirring, sequentially adding MP50E and FOAMEX 825, and uniformly stirring at the rotating speed of 500-800 rpm to obtain the base coat.
Adding deionized water into a reaction kettle, sequentially adding TFC-5, TFE-1, CY-1, Texanol, propylene glycol and FOAMEX 825 under the stirring action, adding one component after the other component is dispersed or dissolved uniformly, and keeping stirring at the rotating speed of 500-1000 rpm for 5min after all the components are dispersed uniformly. And after the completion, sequentially adding a cement prehydration product, R-258, talcum powder and precipitated barium sulfate, adding the next component after one component is uniformly dispersed, stirring at the rotating speed of 1500-2500 rpm for 15-30 min until the fineness reaches the required range, adjusting the rotating speed to 500-800 rpm, adding BF-400, stirring uniformly, adding an iron oxide color paste and a carbon black color paste, stirring for 10-20 min, adjusting the viscosity by using TT935, and stirring until the components are uniformly dispersed to obtain the colored middle coat.
Adding water into a reaction kettle, respectively adding TFC-5 and Texanol under the stirring action, uniformly stirring, sequentially adding FOAMEX 825 and S100, and stirring at the rotating speed of 500-800 rpm until the mixture is uniform, thus obtaining the top coat.
Example 3
A coating material with the chromatic aberration modification on the surface of concrete comprises the following components in percentage by weight:
TABLE 3 formulation of chromatic aberration-modifying coating material C for concrete surface
The preparation method comprises the following steps:
placing 1 part of superfine portland cement and 5 parts of water into a stirring barrel, keeping stirring for 24 hours at the rotating speed of 500-1500 rpm under the condition of 50 ℃ water bath, standing, performing suction filtration to obtain a semi-hydrated product suspension, drying at 105 ℃, grinding, sieving by a 45-micrometer sieve to obtain a cement semi-hydrated product PHCM, and reserving a sample for later use.
And adding water into the reaction kettle, adding MP50E under the stirring action, and stirring at the rotating speed of 500-800 rpm until the mixture is uniform, thus obtaining the base coat.
Adding deionized water into a reaction kettle, sequentially adding TFC-5, TFE-1, CY-1, Texanol, propylene glycol and FOAMEX 825 under the stirring action, adding one component after the other component is dispersed or dissolved uniformly, and keeping stirring at the rotating speed of 500-1000 rpm for 5min after all the components are dispersed uniformly. And after the completion, sequentially adding a cement prehydration product, R-258 and wollastonite, adding the next component after one component is uniformly dispersed, stirring at the rotating speed of 1500-2500 rpm for 15-30 min until the fineness reaches the required range, adjusting the rotating speed to 500-800 rpm, adding BF-400 and BA-201, stirring uniformly, adding an iron oxide color paste and a carbon black color paste, stirring for 10-20 min, adjusting the viscosity by using TT935, and stirring until the components are uniformly dispersed to obtain the colored middle coat.
Adding water into a reaction kettle, respectively adding TFC-5, Texanol and propylene glycol under the stirring action, uniformly stirring, sequentially adding FOAMEX 825 and S100, and uniformly stirring at the rotating speed of 500-800 rpm to obtain the top coat.
The paint of the invention is subjected to performance detection, and the used test method is as follows:
measuring the color difference delta E with an NS-800 type spectrocolorimeter produced by 3nh (Sanenchi); the low-temperature stability and the scrubbing resistance are tested according to GB/T9755-2014 synthetic resin emulsion exterior wall paint; the adhesion was tested in accordance with GB/T9286-1998 test for marking test for paint and varnish films; the alkali resistance is tested according to GB/T9265-1988 determination of alkali resistance of architectural coating; the water resistance was tested according to GB/T1733 + 1993 test for measuring the Water resistance of coatings; the stain resistance is tested according to GB/T9780-; the impact toughness is tested according to GB/T1732 + 1993 paint film impact resistance determination method; the hardness is tested according to GB/T6739-2006 "determination of paint film hardness by colored paint and varnish pencil method"; the artificial weathering resistance was tested according to GB/T14522-2008 fluorescent ultraviolet lamp (test method for artificial weathering of plastics, coatings and rubber materials for mechanical industry). The results of the performance tests are shown in Table 4.
TABLE 4 test results of the performance of the color difference modified coating material on the concrete surface
| Item | Example 1 | Example 2 | Example 3 |
| The color difference Delta E between the surface of the concrete and the surface of the concrete before modification | 3.4 | 3.9 | 2.4 |
| Stability at Low temperature | No deterioration | No deterioration | No deterioration |
| Adhesion force/grade is less than or equal to | 0 | 1 | 0 |
| Alkali resistance (48 h) | No abnormality | No abnormality | No abnormality |
| Water resistance (96 h) | No abnormality | No abnormality | No abnormality |
| Stain resistance/percent | 4.7 | 6.9 | 5.2 |
| Impact toughness | 50cm positive and negative pass | 50cm positive and negative pass | 50cm positive and negative pass |
| Hardness of pencil | HB | B | HB |
| Aging fluorescent ultraviolet lamp (5000 h) | No abnormality | No abnormality | No abnormality |
| Scrub resistance (2000 times) | Coating integrity | Coating integrity | Coating integrity |
Claims (1)
1. The coating material with the chromatic aberration modification property on the surface of the concrete is characterized by consisting of a bottom coating, a middle coating and a surface coating, wherein:
the base coat is a mixture consisting of the following raw materials in parts by mass: 10-60% of organic silicon emulsion, 0-10% of other additives and the balance of water, wherein the total weight is 100%;
the middle coating is a mixture consisting of the following raw materials in parts by mass: 20-70% of polymer emulsion, 10-50% of filler, 10-50% of pigment, 1-20% of other auxiliaries and the balance of water, wherein the total weight is 100%;
the top coat is a mixture consisting of the following raw materials in parts by mass: 50-90% of fluorine modified resin polymer, 0-10% of other additives and the balance of water, wherein the total weight is 100%;
the organic silicon emulsion is one or a mixture of polyalkyl organic silicon resin, polyaryl organic silicon resin and polyalkyl aryl organic silicon resin with silicon content of more than 15%;
the polymer emulsion is one or a mixture of more of silicone-acrylic emulsion, styrene-acrylic emulsion or pure acrylic emulsion;
the filler is one or a mixture of more of ground calcium carbonate, talcum powder, wollastonite, precipitated barium sulfate or sericite powder;
the pigment is prepared by mixing 1 part by mass of superfine portland cement and 3-5 parts by mass of water for 24 hours under heating of a water bath at 50 ℃, standing, filtering, drying, grinding and sieving to obtain a cement semi-hydrated product, and mixing with one or more of rutile titanium dioxide, iron oxide pigment or carbon black;
the other auxiliary agents are one or a mixture of more of film forming auxiliary agents, dispersing agents, wetting agents, thickening agents, defoaming agents or preservatives;
the fluorine modified resin polymer is one or a mixture of more of perfluoroalkyl ethyl acrylate copolymer, N-ethyl-N-ethyl acrylate copolymer, perfluoroethyl methacrylate copolymer, perfluoropropylene copolymer and vinylidene fluoride copolymer, wherein the fluorine content of the fluorine modified resin polymer is more than 18%, and the water contact angle of the fluorine modified resin polymer is more than 100 degrees.
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| CN201810063571.8A CN108165167B (en) | 2018-01-23 | 2018-01-23 | Concrete surface color difference decorative coating material |
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| CN201810063571.8A CN108165167B (en) | 2018-01-23 | 2018-01-23 | Concrete surface color difference decorative coating material |
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| CN108165167B true CN108165167B (en) | 2020-08-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112811935A (en) * | 2020-12-31 | 2021-05-18 | 苏州佳固士新材料科技有限公司 | Chromatic aberration adjusting material suitable for concrete and preparation method and application thereof |
| CN115895361A (en) * | 2022-11-21 | 2023-04-04 | 中国路桥工程有限责任公司 | White concrete surface protection material and preparation method and construction method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153949B (en) * | 2011-01-30 | 2013-11-20 | 上海三瑞化学有限公司 | As-cast finish concrete simulated coating |
| CN102976788B (en) * | 2012-09-29 | 2014-09-10 | 北京东方雨虹防水技术股份有限公司 | Preparation method and use method of as-cast finish concrete surface protection coating material |
| CN103146302B (en) * | 2013-02-25 | 2015-07-29 | 广州市诚美涂饰工程有限公司 | A kind of coating for clear-water concrete protection and construction technology thereof |
| CN103922800A (en) * | 2014-03-14 | 2014-07-16 | 上海市建筑科学研究院(集团)有限公司 | Protective agent for clear water concrete |
| CN105623502A (en) * | 2016-03-29 | 2016-06-01 | 上海科焱建筑装饰工程有限公司 | Coating for surface protection of bare concrete |
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