CN116144245A - Epoxy polysiloxane metallic paint for highway bridge steel structure - Google Patents
Epoxy polysiloxane metallic paint for highway bridge steel structure Download PDFInfo
- Publication number
- CN116144245A CN116144245A CN202211702443.6A CN202211702443A CN116144245A CN 116144245 A CN116144245 A CN 116144245A CN 202211702443 A CN202211702443 A CN 202211702443A CN 116144245 A CN116144245 A CN 116144245A
- Authority
- CN
- China
- Prior art keywords
- component
- highway bridge
- polysiloxane
- resin
- paint
- Prior art date
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- Granted
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- 239000003973 paint Substances 0.000 title claims abstract description 34
- -1 polysiloxane Polymers 0.000 title claims abstract description 34
- 229920001296 polysiloxane Polymers 0.000 title claims abstract description 31
- 239000004593 Epoxy Substances 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 17
- 239000010959 steel Substances 0.000 title claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 17
- 229920005989 resin Polymers 0.000 claims abstract description 17
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 9
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 9
- 239000002270 dispersing agent Substances 0.000 claims abstract description 9
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 8
- 239000000440 bentonite Substances 0.000 claims abstract description 6
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003822 epoxy resin Substances 0.000 claims abstract description 6
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 6
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims abstract description 3
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims abstract 4
- 239000002184 metal Substances 0.000 claims abstract 4
- 238000003756 stirring Methods 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 230000009974 thixotropic effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 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 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses epoxy polysiloxane metallic paint for a highway bridge steel structure, and belongs to the field of metallic finish paint production. The metal paint is prepared by mixing a component A and a component B, wherein the component A is mainly prepared from a dispersing agent, a defoaming agent, fluorocarbon resin, bentonite, hydrogenated epoxy resin, acrylic resin, aluminum silver paste and butyl acetate; the component B is polysiloxane resin. Compared with the prior art, the epoxy polysiloxane metallic paint for the highway bridge steel structure has the characteristics of good toughness, good self-cleaning performance, quick drying, high construction efficiency and the like, and has good popularization and application values.
Description
Technical Field
The invention relates to the field of intermediate paint production, and particularly provides epoxy polysiloxane metallic paint for a highway bridge steel structure.
Background
The steel structure of the highway bridge is in a corrosion-prone environment, and three layers of primer, intermediate paint and finishing paint are adopted at the steel structure in order to reduce the environmental influence as much as possible.
In the prior art, epoxy polysiloxane paint is generally adopted as the finish paint, and the problems of low drying speed, poor toughness, poor weather resistance, low construction efficiency and the like exist, the finish paint can be applied after the intermediate paint is dried for 24 hours, and the finish paint can be transported or transported after being dried for 24 hours, so that the engineering quality and the progress are seriously affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the epoxy polysiloxane metallic paint for the steel structure of the highway bridge, which has the characteristics of high real-dry speed, good toughness and the like.
The technical scheme adopted for solving the technical problems is as follows: the epoxy polysiloxane metallic paint for the steel structure of the highway bridge is characterized by comprising a component A and a component B,
the component A is mainly prepared from the following raw materials in parts by weight:
the component B is polysiloxane resin.
After the component A and the component B are mixed, ring-opening addition reaction is carried out on epoxy groups in the hydrogenated epoxy resin and amino groups special for polysiloxane resin, meanwhile, thermoplastic acrylic resin is naturally dried and self-crosslinked, compared with acrylic resin, the fluorocarbon resin has smaller molecular weight, a part of fluorocarbon resin floats on the surface, and meanwhile, a small amount of hydroxyl in the fluorocarbon resin continuously reacts with amino groups in the siloxane resin to quickly form a more complex three-dimensional reticular crosslinked structure.
Preferably, the mass ratio of the component A to the component B is 100 (25 to 55), particularly preferably 100 (35 to 45).
As a preferred alternative to this,
the component A comprises the following raw materials in parts by weight:
preferably, the dispersant is a polymer dispersant.
Preferably, the defoaming agent is a high-performance silicone-based defoaming agent.
Preferably, the preparation method of the component A comprises the following steps:
the preparation method of the component A comprises the following steps:
s1, mixing a dispersing agent and butyl acetate, stirring for 4-7 minutes at 400-600r/min, adding bentonite while stirring, stirring for 15-25 minutes at 900-1200r/min, sequentially adding fluorocarbon resin, hydrogenated epoxy resin and acrylic resin, stirring for 10-20 minutes at 500-700r/min, adding a defoaming agent and aluminum paste, and continuously stirring for 10-20 minutes at 500-700 r/min;
s2, filtering and subpackaging to obtain a component A finished product.
Compared with the prior art, the epoxy polysiloxane metallic paint for the highway bridge steel structure has the following outstanding beneficial effects:
the polysiloxane is matched with the acrylic resin, has good flexibility and impact resistance, and has good mechanical property and weather resistance;
the acrylic resin has extremely large molecular weight, so that the overall dryness of the system is improved, the crosslinking reaction of the fluorocarbon resin and the polysiloxane resin further improves the molecular weight of the polysiloxane resin, the dryness of the system is improved, the real drying speed is high, the finish paint can be applied after the intermediate paint is dried, the finish paint can be carried after being dried for 3 hours, and the construction efficiency is good;
the metallic paint system has low surface energy, combines the self-cleaning property of fluorocarbon resin and better recoating property of polysiloxane, and has good self-cleaning property and recoating property;
and fourthly, the fluorocarbon-siloxane and acrylic acid system formed by the metallic paint has good thixotropic property, high TI value and high drying speed, so that the metallic paint presents good silver powder arrangement.
Detailed Description
The invention will now be further illustrated with reference to specific examples, which are not intended to limit the scope of the invention.
Examples:
[ raw materials description ]
Dispersing agent-macromolecular dispersing agent, tech6320;
defoamer-high performance silicone defoamer, tech341;
fluorocarbon resin-east fluoro ZHM265;
bentonite-claimington C-82;
hydrogenated epoxy-new 518;
acrylic resin-Dow 64/12N;
aluminum paste-silver arrow ZF4020;
butyl acetate-butyl dow acetate;
polysiloxane resin-wack HP2000.
[ Material ratio ]
The epoxy polysiloxane metallic paint for the highway bridge steel structure comprises the following raw materials in parts by weight:
[ preparation method ]
The preparation method comprises the following steps:
s1, adding a dispersing agent and butyl ester into a container, stirring for 5 minutes, adding bentonite while stirring, sequentially adding fluorocarbon resin, hydrogenated epoxy resin and acrylic resin after stirring for 20 minutes, stirring for 15 minutes, adding a defoaming agent and aluminum silver paste, and continuously stirring for 15 minutes.
S2, filtering, removing filter residues, and subpackaging to obtain a component A finished product;
s3, sieving the polysiloxane resin with a 100-mesh sieve, and packaging to obtain a finished product of the component B.
[ Experimental example ]
Performance tests were performed on the topcoats obtained in examples 1 to 4 and comparative examples 1 and 2, and the test contents and data are as follows:
note that: the phenolic amine intermediate paint consists of epoxy resin, dimethylbenzene, n-butyl alcohol, mica iron ash, bentonite, winning white carbon black A200, zinc phosphate, barium sulfate, talcum powder, phenolic amine curing agent and the like, and the raw materials are as follows:
the performance detection data show that the simple epoxy polysiloxane coating is slow to dry, poor in initial water resistance due to poor weather resistance of epoxy groups, poor in aluminum powder arrangement, insufficient in decoration and insufficient in self-cleaning effect, and is unfavorable for construction and application. The modified fluorocarbon and acrylic resin, and the thixotropic property of bentonite are adopted, so that the novel epoxy polysiloxane paint has the advantages of high actual drying speed, high construction efficiency, better directional arrangement of aluminum powder, greatly improved weather resistance, initial water resistance and self-cleaning property, improved impact and flexibility, and greatly expanded application of the epoxy polysiloxane paint.
Claims (6)
1. The epoxy polysiloxane metallic paint for the steel structure of the highway bridge is characterized in that: consists of a component A and a component B, wherein the mass ratio of the component A to the component B is 100 (25-55),
the component A is mainly prepared from the following raw materials in parts by weight:
the component B is polysiloxane resin.
2. The epoxy polysiloxane metallic paint for highway bridge steel structures according to claim 1, wherein: the mass ratio of the component A to the component B is 100 (35-45).
3. The epoxy polysiloxane metallic paint for highway bridge steel structures according to claim 1, wherein:
the component A comprises the following raw materials in parts by weight:
4. an epoxy polysiloxane metal paint for highway bridge steel structures according to claim 1, 2 or 3 and characterized in that:
the dispersant is a polymer dispersant (tech 6320).
5. An epoxy polysiloxane metal paint for highway bridge steel structures according to claim 1, 2 or 3 and characterized in that:
the defoaming agent is an organosilicon defoaming agent.
6. An epoxy polysiloxane metal paint for highway bridge steel structures according to claim 1, 2 or 3 and characterized in that:
the preparation method of the component A comprises the following steps:
s1, mixing a dispersing agent and butyl acetate, stirring for 4-7 minutes at 400-600r/min, adding bentonite while stirring, stirring for 15-25 minutes at 900-1200r/min, sequentially adding fluorocarbon resin, hydrogenated epoxy resin and acrylic resin, stirring for 10-20 minutes at 500-700r/min, adding a defoaming agent and aluminum paste, and continuously stirring for 10-20 minutes at 500-700 r/min;
s2, filtering and subpackaging to obtain a component A finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211702443.6A CN116144245B (en) | 2022-12-29 | 2022-12-29 | Epoxy polysiloxane metallic paint for highway bridge steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211702443.6A CN116144245B (en) | 2022-12-29 | 2022-12-29 | Epoxy polysiloxane metallic paint for highway bridge steel structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116144245A true CN116144245A (en) | 2023-05-23 |
| CN116144245B CN116144245B (en) | 2024-08-09 |
Family
ID=86353551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211702443.6A Active CN116144245B (en) | 2022-12-29 | 2022-12-29 | Epoxy polysiloxane metallic paint for highway bridge steel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116144245B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525519A (en) * | 2009-03-30 | 2009-09-09 | 中山大桥化工集团有限公司 | Polysiloxane coating composition |
| CN105482574A (en) * | 2014-10-13 | 2016-04-13 | 立邦工业涂料(上海)有限公司 | Fluorocarbon self-cleaning coating and preparation method thereof |
| CN106085223A (en) * | 2016-06-17 | 2016-11-09 | 武汉山虎涂料有限公司 | Fluorine richness epoxy polysiloxane coating and its preparation method and application |
| CN111269626A (en) * | 2020-02-28 | 2020-06-12 | 南京长江涂料有限公司 | Preparation method of epoxy acrylic polysiloxane self-cleaning coating |
-
2022
- 2022-12-29 CN CN202211702443.6A patent/CN116144245B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525519A (en) * | 2009-03-30 | 2009-09-09 | 中山大桥化工集团有限公司 | Polysiloxane coating composition |
| CN105482574A (en) * | 2014-10-13 | 2016-04-13 | 立邦工业涂料(上海)有限公司 | Fluorocarbon self-cleaning coating and preparation method thereof |
| CN106085223A (en) * | 2016-06-17 | 2016-11-09 | 武汉山虎涂料有限公司 | Fluorine richness epoxy polysiloxane coating and its preparation method and application |
| CN111269626A (en) * | 2020-02-28 | 2020-06-12 | 南京长江涂料有限公司 | Preparation method of epoxy acrylic polysiloxane self-cleaning coating |
Non-Patent Citations (1)
| Title |
|---|
| 汪多仁: "合成树脂与工程塑料生产技术", 中国轻工业出版社, pages: 72 * |
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| Publication number | Publication date |
|---|---|
| CN116144245B (en) | 2024-08-09 |
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