CN111100568A - Polyurethane rubber film with high weather resistance and preparation method thereof - Google Patents
Polyurethane rubber film with high weather resistance and preparation method thereof Download PDFInfo
- Publication number
- CN111100568A CN111100568A CN201911346130.XA CN201911346130A CN111100568A CN 111100568 A CN111100568 A CN 111100568A CN 201911346130 A CN201911346130 A CN 201911346130A CN 111100568 A CN111100568 A CN 111100568A
- Authority
- CN
- China
- Prior art keywords
- sodium alginate
- film
- coating
- polyurethane
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives 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; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2475/00—Presence of polyurethane
- C09J2475/006—Presence of polyurethane in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2483/00—Presence of polysiloxane
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Polyurethanes Or Polyureas (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a polyurethane rubber film with strong weather resistance and a preparation method thereof, and the polyurethane rubber film comprises the following components from top to bottom: self-repairing coating liquid, polyurethane film and light-resistant glue; the preparation method of the self-repairing coating liquid comprises the following steps: preparing a sodium alginate emulsion by using sodium alginate and deionized water; fully dissolving polyaniline and triethylamine in o-dichlorobenzene, adding the o-dichlorobenzene and the triethylamine into a sodium alginate emulsion, fully stirring, heating to 160 ℃, adding phthalic anhydride and isophorone diisocyanate, fully reacting, filtering to obtain microcapsules, and dispersing the microcapsules into epoxy resin to obtain a dispersion liquid; adding a polyamide curing agent into the dispersion liquid to cure the dispersion liquid to obtain a self-repairing coating liquid; the light-resistant glue comprises silica gel, an ultraviolet absorbent 328 and a hindered amine light stabilizer 770, and is prepared according to the ratio of 100:3: 3.
Description
Technical Field
The invention belongs to the field of film materials, and particularly relates to a polyurethane rubber film with high weather resistance and a preparation method thereof.
Background
The polyurethane rubber film is a common film material, and when the polyurethane rubber film is used in the fields of outdoor screens, automobile protection outer films and the like, the polyurethane rubber film needs to have extremely high weather resistance, and meanwhile, the polyurethane rubber film has the property of being used outdoors, so that scratches and other conditions can be met, and the polyurethane rubber film needs to be repaired.
Disclosure of Invention
The invention provides a polyurethane rubber adhesive film with strong weather resistance and a preparation method thereof, which are used for outdoor screens and automobile protective outer films with high transmittance and high weather resistance, the weather resistance of the material is improved, short-wave ultraviolet-containing rays are selectively reflected, the outdoor service life of the material is greatly prolonged, and self-repairing coating liquid is coated on the surface of a substrate, so that the polyurethane rubber adhesive film has a self-repairing function and provides high-quality yellowing resistance and anti-aging performance.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
a high-weather-resistance polyurethane rubber film comprises the following components from top to bottom: self-repairing coating liquid, polyurethane film and light-resistant glue; the preparation method of the self-repairing coating liquid comprises the following steps: preparing a sodium alginate emulsion by using sodium alginate and deionized water; fully dissolving polyaniline and triethylamine in o-dichlorobenzene, adding the o-dichlorobenzene and the triethylamine into a sodium alginate emulsion, fully stirring, heating to 160 ℃, adding phthalic anhydride and isophorone diisocyanate, fully reacting, filtering to obtain microcapsules, and dispersing the microcapsules into epoxy resin to obtain a dispersion liquid; adding a polyamide curing agent into the dispersion liquid to cure the dispersion liquid to obtain a self-repairing coating liquid; the light-resistant glue comprises silica gel, an ultraviolet absorbent 328 and a hindered amine light stabilizer 770, and is prepared according to the ratio of 100:3: 3.
Further, the ratio of the sodium alginate to the polyaniline to the triethylamine is 10:6-8: 1-3.
Further, the ratio of the deionized water to the o-dichlorobenzene is 4: 1.
Further, the ratio of the sodium alginate to the phthalic anhydride to the isophorone diisocyanate is 10:1-3: 0.2-0.6.
A preparation method of a polyurethane rubber film with strong weather resistance comprises the following steps:
(1) selecting a 25-micron high-permeability polyurethane film, coating the polyurethane film with the thickness of 3-5 microns by using a coating machine, curing the polyurethane film for 3min at 120 ℃, and curing the polyurethane film for 24h at 50 ℃;
(3) glue proportioning: preparing silica gel, an ultraviolet absorbent 328 and a hindered amine light stabilizer 770 according to a ratio of 100:3:3, and coating 15-20um of glue on the other surface of the polyurethane film by using coating equipment; coating temperature: the coating speed is 25m/min at 80-130 ℃.
The invention has the beneficial effects that:
products of the invention
1. The paint has strong ultraviolet resistance, temperature resistance, humidity resistance, salt fog resistance and weather resistance;
2. excellent repairing performance, self-wrinkle removing and bubble removing performance and good compliance to irregular base materials.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Any modifications that can be easily made by a person skilled in the art to the present invention without departing from the technical solutions of the present invention will fall within the scope of the claims of the present invention.
Example 1
A high-weather-resistance polyurethane rubber film comprises the following components from top to bottom: self-repairing coating liquid, polyurethane film and light-resistant glue; the preparation method of the self-repairing coating liquid comprises the following steps: preparing sodium alginate emulsion by using 10 parts by mass of sodium alginate and 100 parts by mass of deionized water; fully dissolving 7 parts by mass of polyaniline and 2 parts by mass of triethylamine in 25 parts by mass of o-dichlorobenzene, adding the mixture into a sodium alginate emulsion, fully stirring, heating to 160 ℃, adding 2 parts by mass of phthalic anhydride and 0.4 part by mass of isophorone diisocyanate, fully reacting, filtering to obtain microcapsules, and dispersing 1 part by mass of microcapsules into 10 parts by mass of epoxy resin to obtain a dispersion liquid; adding 0.05 part by mass of polyamide curing agent into the dispersion liquid to cure the dispersion liquid to obtain self-repairing coating liquid; the light-resistant glue comprises silica gel, an ultraviolet absorbent 328 and a hindered amine light stabilizer 770, and is prepared according to the ratio of 100:3: 3.
A preparation method of a polyurethane rubber film with strong weather resistance comprises the following steps:
(1) selecting a 25-micron high-permeability polyurethane film, coating a self-repairing coating liquid with the thickness of 4 microns by using a coating machine, curing for 3min at 120 ℃, and curing for 24h at 50 ℃;
(3) glue proportioning: silica gel, ultraviolet absorbent 328 and hindered amine light stabilizer 770 are prepared according to the ratio of 100:3:3, and coating 17.5um of glue on the other surface of the polyurethane film by coating equipment; coating temperature: the coating speed was 25m/min at 100 ℃.
Example 2
A high-weather-resistance polyurethane rubber film comprises the following components from top to bottom: self-repairing coating liquid, polyurethane film and light-resistant glue; the preparation method of the self-repairing coating liquid comprises the following steps: preparing sodium alginate emulsion by using 10 parts by mass of sodium alginate and 100 parts by mass of deionized water; fully dissolving 6 parts by mass of polyaniline and 3 parts by mass of triethylamine in 25 parts by mass of o-dichlorobenzene, adding the mixture into a sodium alginate emulsion, fully stirring, heating to 160 ℃, adding 1 part by mass of phthalic anhydride and 0.6 part by mass of isophorone diisocyanate, fully reacting, filtering to obtain microcapsules, and dispersing 1 part by mass of microcapsules into 10 parts by mass of epoxy resin to obtain a dispersion liquid; adding 0.05 part by mass of polyamide curing agent into the dispersion liquid to cure the dispersion liquid to obtain self-repairing coating liquid; the light-resistant glue comprises silica gel, an ultraviolet absorbent 328 and a hindered amine light stabilizer 770, and is prepared according to the ratio of 100:3: 3.
A preparation method of a polyurethane rubber film with strong weather resistance comprises the following steps:
(1) selecting a 25-micron high-permeability polyurethane film, coating a self-repairing coating liquid with the thickness of 5 microns by a coating machine, curing for 3min at 120 ℃, and curing for 24h at 50 ℃;
(3) glue proportioning: preparing silica gel, an ultraviolet absorbent 328 and a hindered amine light stabilizer 770 according to a ratio of 100:3:3, and coating 15um of glue on the other surface of the polyurethane film by using coating equipment; coating temperature: the coating speed was 25m/min at 130 ℃.
Example 3
A high-weather-resistance polyurethane rubber film comprises the following components from top to bottom: self-repairing coating liquid, polyurethane film and light-resistant glue; the preparation method of the self-repairing coating liquid comprises the following steps: preparing sodium alginate emulsion by using 10 parts by mass of sodium alginate and 100 parts by mass of deionized water; fully dissolving 8 parts by mass of polyaniline and 1 part by mass of triethylamine in 25 parts by mass of o-dichlorobenzene, adding the mixture into a sodium alginate emulsion, fully stirring, heating to 160 ℃, adding 3 parts by mass of phthalic anhydride and 0.2 part by mass of isophorone diisocyanate, fully reacting, filtering to obtain microcapsules, and dispersing 1 part by mass of microcapsules into 10 parts by mass of epoxy resin to obtain a dispersion liquid; adding 0.05 part by mass of polyamide curing agent into the dispersion liquid to cure the dispersion liquid to obtain self-repairing coating liquid; the light-resistant glue comprises silica gel, an ultraviolet absorbent 328 and a hindered amine light stabilizer 770, and is prepared according to the ratio of 100:3: 3.
A preparation method of a polyurethane rubber film with strong weather resistance comprises the following steps:
(1) selecting a 25-micron high-permeability polyurethane film, coating a self-repairing coating liquid with the thickness of 3 microns by using a coating machine, curing for 3min at 120 ℃, and curing for 24h at 50 ℃;
(3) glue proportioning: silica gel, an ultraviolet absorber 328 and a hindered amine light stabilizer 770 are prepared according to the ratio of 100:3:3, and 20um of glue is coated on the other surface of the polyurethane film by coating equipment; coating temperature: the coating speed was 25m/min at 80 ℃.
Comparative example 1
Same as example 1 except that triethylamine was not added.
Comparative example 2
Same as example 1 except that o-dichlorobenzene was replaced with N, N-dimethylformamide.
Comparative example 3
Same as example 1 except that no phthalic anhydride was added.
Comparative example 4
Same as example 1 except that isophorone diisocyanate was not added.
Comparative example 5
Same as example 1 except that isophorone diisocyanate, phthalic anhydride, was not added.
Comparative example 6
The self-repairing coating liquid is prepared by adopting the method disclosed in CN107502133B example 1.
The products of examples and comparative examples were formed into sample films, and the films were evaluated according to ASTM D2244-93, "Standard test method for color Difference of color coordinates by Instrument measurement". The red color blocks were laminated with the sample films and subjected to a weathering test using a Xenon Arc chamber (Xenon Arc chamber). The color characteristics (L, a, and b parameters) of each sample at 800 hours of irradiation were measured using a color guide 45/0BYK Gardner unit, and the change in color (Δ E) was calculated using ASTM D2244. The sample mold was cut with a small knife to a depth of 1mm, and after standing, the approximate time required for repair was observed.
TABLE 1
According to the numerical values of the examples and the comparative examples, the ultraviolet resistance effect of the whole system can be effectively improved by adding the micromolecular triethylamine; an oil phase emulsion system can be formed by adding a water-insoluble o-dichlorobenzene solvent, and a double-emulsion system is formed by mixing the water-insoluble o-dichlorobenzene solvent with a sodium alginate emulsion of a water phase, so that the sodium alginate and the polyaniline system not only form a package, but also realize high dispersibility, and the particles are better connected through polyaniline, thereby having higher repairing performance; through the addition of isophorone diisocyanate and phthalic anhydride, molecular chains are synergistically expanded, and the improvement of repair strength is promoted.
Claims (5)
1. The polyurethane rubber adhesive film with strong weather resistance is characterized in that: from top to bottom: self-repairing coating liquid, polyurethane film and light-resistant glue; the preparation method of the self-repairing coating liquid comprises the following steps: preparing a sodium alginate emulsion by using sodium alginate and deionized water; fully dissolving polyaniline and triethylamine in o-dichlorobenzene, adding the o-dichlorobenzene and the triethylamine into a sodium alginate emulsion, fully stirring, heating to 160 ℃, adding phthalic anhydride and isophorone diisocyanate, fully reacting, filtering to obtain microcapsules, and dispersing the microcapsules into epoxy resin to obtain a dispersion liquid; adding a polyamide curing agent into the dispersion liquid to cure the dispersion liquid to obtain a self-repairing coating liquid; the light-resistant glue comprises silica gel, an ultraviolet absorbent 328 and a hindered amine light stabilizer 770, and is prepared according to the ratio of 100:3: 3.
2. The high weather-resistant urethane rubber film according to claim 1, wherein: the ratio of the sodium alginate to the polyaniline to the triethylamine is 10:6-8: 1-3.
3. The high weather-resistant polyurethane rubber film as claimed in claim 1, wherein the ratio of the deionized water to the o-dichlorobenzene is 4: 1.
4. The high weather-resistant urethane rubber film according to claim 1, wherein: the ratio of the sodium alginate to the phthalic anhydride to the isophorone diisocyanate is 10:1-3: 0.2-0.6.
5. A preparation method of a polyurethane rubber film with strong weather resistance is characterized by comprising the following steps:
(1) selecting a 25-micron high-permeability polyurethane film, coating the polyurethane film with the thickness of 3-5 microns by using a coating machine, curing the polyurethane film for 3min at 120 ℃, and curing the polyurethane film for 24h at 50 ℃;
(3) glue proportioning: preparing silica gel, an ultraviolet absorbent 328 and a hindered amine light stabilizer 770 according to a ratio of 100:3:3, and coating 15-20um of glue on the other surface of the polyurethane film by using coating equipment; coating temperature: the coating speed is 25m/min at 80-130 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911346130.XA CN111100568A (en) | 2019-12-24 | 2019-12-24 | Polyurethane rubber film with high weather resistance and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911346130.XA CN111100568A (en) | 2019-12-24 | 2019-12-24 | Polyurethane rubber film with high weather resistance and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111100568A true CN111100568A (en) | 2020-05-05 |
Family
ID=70423603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911346130.XA Pending CN111100568A (en) | 2019-12-24 | 2019-12-24 | Polyurethane rubber film with high weather resistance and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111100568A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502133A (en) * | 2017-08-11 | 2017-12-22 | 北京师范大学 | Possesses corrosion-inhibiting coating of self-reparing capability and its preparation method and application |
| CN107573810A (en) * | 2017-09-11 | 2018-01-12 | 太原市路邦科技有限公司 | Self-repairing waterborne epoxy elastic composite coating material and preparation method thereof |
| CN109504142A (en) * | 2018-10-19 | 2019-03-22 | 昆山乐凯锦富光电科技有限公司 | A kind of lacquer painting protective film selfreparing coating composition |
| CN110218525A (en) * | 2019-06-18 | 2019-09-10 | 宁波市嘉化新材料科技有限公司 | A kind of the invisible vehicle cover protective film and its manufacture craft of TPU substrate |
-
2019
- 2019-12-24 CN CN201911346130.XA patent/CN111100568A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502133A (en) * | 2017-08-11 | 2017-12-22 | 北京师范大学 | Possesses corrosion-inhibiting coating of self-reparing capability and its preparation method and application |
| CN107573810A (en) * | 2017-09-11 | 2018-01-12 | 太原市路邦科技有限公司 | Self-repairing waterborne epoxy elastic composite coating material and preparation method thereof |
| CN109504142A (en) * | 2018-10-19 | 2019-03-22 | 昆山乐凯锦富光电科技有限公司 | A kind of lacquer painting protective film selfreparing coating composition |
| CN110218525A (en) * | 2019-06-18 | 2019-09-10 | 宁波市嘉化新材料科技有限公司 | A kind of the invisible vehicle cover protective film and its manufacture craft of TPU substrate |
Non-Patent Citations (3)
| Title |
|---|
| 冯建中等: "异氰酸酯胶囊型自修复高分子材料研究进展", 《化工进展》 * |
| 李子东等: "《胶黏剂助剂》", 30 June 2009, 化学工业出版社 * |
| 韩路路等: "微胶囊的制备方法研究进展", 《生物质化学工程》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110317527B (en) | Powder coating and preparation method thereof | |
| CN104109438A (en) | Heat reflective insulating stoving varnish coating and preparation method thereof | |
| CN106883764B (en) | Aluminum profile emulation copper coating and preparation method thereof | |
| CN102127361A (en) | Light-color antistatic coating with high electromagnetic wave transmissivity and preparation method thereof | |
| CN111073575A (en) | Single-component silane modified polyether sealant for prefabricated building and preparation method thereof | |
| CN1746251A (en) | Special binder of reflecting material and production thereof | |
| CN112724804A (en) | Powder coating composition with color changing effect and coating thereof | |
| CN111363442A (en) | Coating resin solution, reflective film, preparation method and application thereof | |
| CN111303707A (en) | Quick-drying coating for battery tray chassis armor of new energy automobile | |
| CN110437711B (en) | Epoxy resin for low-temperature curing type B68 extinction powder and preparation method and application thereof | |
| CN111100568A (en) | Polyurethane rubber film with high weather resistance and preparation method thereof | |
| CN112745766B (en) | Outdoor floor bi-component water-based asphalt anticorrosive paint and preparation method thereof | |
| CN207683059U (en) | Polymer compound film and waterproof roll | |
| CN108219653B (en) | Oil-proof finish varnish and preparation method thereof | |
| CN103525293A (en) | Non-yellowing UV (Ultraviolet) gloss oil as well as preparation method thereof | |
| CN102146244A (en) | Self-healing plastic coating primer with high durability and rubber hand feel as well as production method and application method thereof | |
| CN109181620B (en) | Room-temperature curing weather-resistant polyurethane adhesive with long bonding time | |
| CN116875186A (en) | Quick-change color coating for optical lenses and films and preparation method thereof | |
| KR101719467B1 (en) | Functional paints that regression reflection and light dimming function | |
| CN110054935A (en) | A kind of bloom, wear-resisting, ageing-resistant silica gel PU ink and its preparation method and application method | |
| CN109423133A (en) | A kind of reflecting coating and its preparation method and application | |
| CN112724803B (en) | Plane powder coating composition and coating thereof | |
| CN110616034B (en) | Anti-fog UV coating for automobile exterior trimming part and automobile lamp, preparation method of anti-fog UV coating and paint film formed by anti-fog UV coating | |
| CN108300182A (en) | Low temperature cured powder coating and preparation method thereof for aluminium alloy | |
| KR101571834B1 (en) | Coating composition and method for manufacturing of the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200505 |
|
| RJ01 | Rejection of invention patent application after publication |