CN110894397A - Nano organic silicon protective coating - Google Patents
Nano organic silicon protective coating Download PDFInfo
- Publication number
- CN110894397A CN110894397A CN201911260116.8A CN201911260116A CN110894397A CN 110894397 A CN110894397 A CN 110894397A CN 201911260116 A CN201911260116 A CN 201911260116A CN 110894397 A CN110894397 A CN 110894397A
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- Prior art keywords
- agent
- resin
- nano
- protective coating
- silane coupling
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Classifications
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
- 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
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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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
- 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
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses a nano organic silicon protective coating, which comprises an agent A and an agent B, wherein the agent A comprises resin and auxiliary materials, the agent B is a curing agent, and the agent A specifically comprises epoxy resin, acrylic resin, polydimethylsiloxane, a film-forming auxiliary agent, amino resin, nano silicon dioxide powder and a silane coupling agent; the agent B is specifically a silane coupling agent, isocyanate and polydimethylsiloxane. The silane coupling agent plays a role of a solvent, and can form an isolation layer on the surface of most objects. Without limitation, the base material: such as fiber textiles, leather, cement, wood, common paint surfaces, complex electronic components, etc. The erosion can be effectively isolated after the protective layer is formed.
Description
Technical Field
The invention relates to a protective coating, in particular to a nano organic silicon protective coating.
Background
With the increasing development of science and technology, products in life are gradually enriched. There are also more and more products with protection requirements. New protective materials are increasing, but there are still various opportunities for improvement. The products of the prior art contain a large amount of organic solvents. There is a significant threat to the protection of the environment.
Most of the prepared similar products of the prior formulas are basically organic solvent-containing, and the recent formulas begin to generate high-boiling organic solvents. But it is always difficult to get rid of the organic solvent.
In addition, in the traditional method, the surface of the wooden product is usually coated with varnish or other polyurethane paint, and the like, and the coating thickness is high or the service life is insufficient.
Disclosure of Invention
The technical problem to be solved by the invention is that the nano organic silicon protective coating can form an isolation layer on the surfaces of most objects, and is not limited to the following base materials: such as fiber textile, leather, cement, wood, common paint surface, complex electronic components and the like, and can effectively isolate erosion after forming a protective layer.
The invention is realized by the following technical scheme: a nanometer organic silicon protective coating comprises an agent A and an agent B, wherein the agent A comprises resin and auxiliary materials, the agent B is a curing agent, and the agent A specifically comprises epoxy resin, acrylic resin, polydimethylsiloxane, a film-forming auxiliary agent, amino resin, nanometer silicon dioxide powder and a silane coupling agent; the agent B is specifically a silane coupling agent, isocyanate and polydimethylsiloxane.
As a preferable technical scheme, the specific mixture ratio of each component in the agent A is 5-25 of epoxy resin, 5-20 of acrylic resin, 3-30 of polydimethylsiloxane, 1-20 of film-forming assistant, 5-25 of amino resin, 5-20 of nano silicon dioxide powder and 5-35 of silane coupling agent, and the specific mixture ratio of each component in the agent B is 5-35 of silane coupling agent, 15-45 of isocyanate and 15-45 of polydimethylsiloxane.
Preferably, the epoxy resin is bisphenol a epoxy resin, which is prepared by reacting bisphenol a and epichlorohydrin in the presence of sodium hydroxide.
As a preferred technical scheme, the acrylic resin adopts Jiangsu Sanmu: 961. 965, 9760, 987-1, 2050, 9770, 9050, 9061, 9360, 965H, 963, BS8255, 8013A, 9570, BS9416, 9460, 8270, 8170 and 9222.
As a preferable technical scheme, the polydimethylsiloxane is used as a main component of a raw material, the siloxane is a polymer containing Si-O-Si bonds to form a main chain structure, the polymer is also called organosilicon or polysiloxane, the polydimethylsiloxane is various, and Dow Corning PMX-200 is selected.
Preferably, the film-forming aid is a dispersant, and one or more of digao Dispers 610S, 655, 700, 710, 715W, 740W, 747W, 750, 752W and 760W are adopted, and 610S, 740W and the like are preferred.
As a preferred technical scheme, the amino resin is one or more of urea-formaldehyde resin, melamine resin, benzoguanamine resin and copolymer resin, and the melamine-formaldehyde resin is preferred.
As a preferred technical scheme, the nano silicon dioxide powder adopts hydrophobic gas-phase nano silicon dioxide which is used for forming a nano reticular structure after film forming, so that the wear resistance is improved, and the smoothness of the surface of the material is improved. The performance of the film layer is improved.
As a preferable technical scheme, the silane coupling agent adopts one or more of KH-550, KH-560, KH-57, A-151 and A-171, preferably KH-550 or KH-560.
As a preferable technical scheme, the type of the isocyanate is Bayer N75.
The invention has the beneficial effects that: the silane coupling agent is used as a solvent, an isolation layer can be formed on the surfaces of most objects, and the method is not limited to the following base materials: such as fiber textiles, leather, cement, wood, common paint surfaces, complex electronic components and the like, can effectively isolate corrosion after a protective layer is formed, and the silane coupling agent is used as a solvent to reduce the influence on the environment.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Example 1
With nano-silicone: a, B is divided into two parts, wherein A is resin and auxiliary materials, and B is curing agent.
The component ratio of the agent A is epoxy resin (E-51) 12, acrylic resin (9760) 15, polydimethylsiloxane (PMX-200) 18, film-forming additive (610S) 5, amino resin (melamine formaldehyde resin) 18, nano silicon dioxide powder 8 and silane coupling agent (KH-550) 25, and the specific ratio of the components in the agent B is silane coupling agent (KH-550) 30, isocyanate (Bayer N75) 35 and polydimethylsiloxane (PMX-200) 35.
Example 2
With nano-silicone: a, B is divided into two parts, wherein A is resin and auxiliary materials, and B is curing agent.
The component ratio of the agent A is epoxy resin (E-51) 16, acrylic resin (961) 10, polydimethylsiloxane (PMX-200) 17, film-forming aid (610S) 5, amino resin (melamine formaldehyde resin) 20, nano silicon dioxide powder 8 and silane coupling agent (KH-550) 24, and the specific ratio of the components in the agent B is silane coupling agent (KH-550) 30, isocyanate (Bayer N75) 35 and polydimethylsiloxane (PMX-200) 35.
Example 3
Nano-organosilicon: a, B is divided into two parts, wherein A is resin and auxiliary materials, and B is curing agent.
The component ratio of the agent A is epoxy resin (E-44) 16, acrylic resin (9770) 8, polydimethylsiloxane (PMX-200) 18, film-forming aid (740W) 5, amino resin (melamine formaldehyde resin) 19, nano silicon dioxide powder 10 and silane coupling agent (KH-560) 24, and the specific ratio of the components in the agent B is silane coupling agent (KH-560) 30, isocyanate (Bayer N75) 35 and polydimethylsiloxane (PMX-200) 35.
Example 4
Nano-organosilicon: a, B is divided into two parts, wherein A is resin and auxiliary materials, and B is curing agent.
The component ratio of the agent A is epoxy resin (E-44) 8, acrylic resin (9460) 8, polydimethylsiloxane (PMX-200) 26, film-forming aid (740W) 5, amino resin (melamine formaldehyde resin) 18, nano silicon dioxide powder 10 and silane coupling agent (KH-560) 25, and the specific ratio of the components in the agent B is silane coupling agent (KH-560) 30, isocyanate (Bayer N75) 35 and polydimethylsiloxane (PMX-200) 35.
Example 5
Nano-organosilicon: a, B is divided into two parts, wherein A is resin and auxiliary materials, and B is curing agent.
The component ratio of the agent A is epoxy resin (E-44) 12, acrylic resin (9760) 10, polydimethylsiloxane (PMX-200) 18, film-forming additive (740W) 5, amino resin (melamine formaldehyde resin) 18, nano silicon dioxide powder 12 and silane coupling agent (KH-560) 25, and the specific ratio of the components in the agent B is silane coupling agent (KH-560) 30, isocyanate (Bayer N75) 35 and polydimethylsiloxane (PMX-200) 35.
In the above examples, the mixing ratio of the solution a to the solution B is as follows: b =3:1, the zinc coating of the base material of the test sample is removed by hydrochloric acid, the base material is dried and cooled, A, B mixed liquor which is adjusted in proportion is sprayed on two sides, and the base material is completely dried after being coated for two days;
contact angle measurement using the drop stop method: western Waka CV-705A;
and (3) neutral salt spray test: spraying with 5% sodium chloride solution with pH of 6.5-7.2 at 35 deg.C in salt spray tester.
Hardness: the assay was performed according to GB/T6739-1996 standard.
The test results are shown in table 1:
watch (A)
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (10)
1. A nanometer organic silicon protective coating is characterized in that: the coating comprises an agent A and an agent B, wherein the agent A comprises resin and auxiliary materials, and the agent B is a curing agent, wherein the agent A specifically comprises epoxy resin, acrylic resin, polydimethylsiloxane, a film-forming aid, amino resin, nano silicon dioxide powder and a silane coupling agent; the agent B is specifically a silane coupling agent, isocyanate and polydimethylsiloxane.
2. The nano-silicone protective coating of claim 1, wherein: wherein, the specific proportion of each component in the agent A is 5-25 of epoxy resin, 5-20 of acrylic resin, 3-30 of polydimethylsiloxane, 1-20 of film-forming additive, 5-25 of amino resin, 5-20 of nano silicon dioxide powder and 5-35 of silane coupling agent, and the specific proportion of each component in the agent B is 5-35 of silane coupling agent, 15-45 of isocyanate and 15-45 of polydimethylsiloxane.
3. The nano-silicone protective coating of claim 1, wherein: the epoxy resin is bisphenol A epoxy resin and is prepared by reacting bisphenol A and epoxy chloropropane in the presence of sodium hydroxide.
4. The nano-silicone protective coating of claim 1, wherein: the acrylic resin adopts Jiangsu Sanmu: 961. 965, 9760, 987-1, 2050, 9770, 9050, 9061, 9360, 965H, 963, BS8255, 8013A, 9570, BS9416, 9460, 8270, 8170 and 9222.
5. The nano-silicone protective coating of claim 1, wherein: the polydimethylsiloxane is used as a main component of a raw material, and is Dow Corning PMX-200.
6. The nano-silicone protective coating of claim 1, wherein: the film forming assistant is a dispersant, and adopts one or more of diGao Dispers 610S, 655, 700, 710, 715W, 740W, 747W, 750, 752W and 760W.
7. The nano-silicone protective coating of claim 1, wherein: the amino resin is one or more of urea-formaldehyde resin, melamine resin, benzoguanamine resin and copolymer resin.
8. The nano-silicone protective coating of claim 1, wherein: the nano silicon dioxide powder is hydrophobic gas phase nano silicon dioxide.
9. The nano-silicone protective coating of claim 1, wherein: the silane coupling agent is one or more of KH-550, KH-560, KH-57, A-151 and A-171.
10. The nano-silicone protective coating of claim 1, wherein: the type of the isocyanate is Bayer N75.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260116.8A CN110894397A (en) | 2019-12-10 | 2019-12-10 | Nano organic silicon protective coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260116.8A CN110894397A (en) | 2019-12-10 | 2019-12-10 | Nano organic silicon protective coating |
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| Publication Number | Publication Date |
|---|---|
| CN110894397A true CN110894397A (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911260116.8A Pending CN110894397A (en) | 2019-12-10 | 2019-12-10 | Nano organic silicon protective coating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112759958A (en) * | 2020-12-30 | 2021-05-07 | 深圳市杰昌实业有限公司 | Protective coating for metal material surface |
| CN114953822A (en) * | 2022-06-07 | 2022-08-30 | 佛山市东鹏陶瓷有限公司 | Relief decoration plate and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1903961A (en) * | 2006-07-20 | 2007-01-31 | 上海申真企业发展有限公司 | Lotus leaf effect self cleaning fluorocarbon paint |
| CN106085220A (en) * | 2016-05-13 | 2016-11-09 | 杭州师范大学 | A kind of preparation method and applications of organic silicon flame-retardant fireproof coating |
-
2019
- 2019-12-10 CN CN201911260116.8A patent/CN110894397A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1903961A (en) * | 2006-07-20 | 2007-01-31 | 上海申真企业发展有限公司 | Lotus leaf effect self cleaning fluorocarbon paint |
| CN106085220A (en) * | 2016-05-13 | 2016-11-09 | 杭州师范大学 | A kind of preparation method and applications of organic silicon flame-retardant fireproof coating |
Non-Patent Citations (1)
| Title |
|---|
| 翟庆洲: "《纳米技术》", 31 March 2006, 兵器工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112759958A (en) * | 2020-12-30 | 2021-05-07 | 深圳市杰昌实业有限公司 | Protective coating for metal material surface |
| CN114953822A (en) * | 2022-06-07 | 2022-08-30 | 佛山市东鹏陶瓷有限公司 | Relief decoration plate and manufacturing method thereof |
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Application publication date: 20200320 |