CN111440347A - Improved PC board and preparation method thereof - Google Patents
Improved PC board and preparation method thereof Download PDFInfo
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- CN111440347A CN111440347A CN202010215555.3A CN202010215555A CN111440347A CN 111440347 A CN111440347 A CN 111440347A CN 202010215555 A CN202010215555 A CN 202010215555A CN 111440347 A CN111440347 A CN 111440347A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
- C08J7/065—Low-molecular-weight organic substances, e.g. absorption of additives in the surface of the article
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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
- C09D5/22—Luminous 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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1029—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom
- C09K2211/1033—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom with oxygen
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1092—Heterocyclic compounds characterised by ligands containing sulfur as the only heteroatom
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Luminescent Compositions (AREA)
Abstract
An improved PC board comprising: the PC board comprises a PC board body and an anti-UV coating, wherein the anti-UV coating is positioned on the upper surface and the lower surface of the PC board body and is a coating of a mixed component of an anti-UV agent and fluorescent powder, and the mixed component comprises the anti-UV agent, the fluorescent powder or the anti-UV agent, the fluorescent powder and a lubricating agent. The ultraviolet detection can be facilitated by adding the fluorescent powder into the anti-UV agent, a manufacturer can quickly detect the coating effect of the anti-UV agent on the surface of the PC board by ultraviolet tools like a currency detecting lamp and the like, and the detection process is simple, low in cost and high in efficiency; after the low-cost lubricant is added, the thin plate-shaped PC plates, particularly the PC wave plates, are easy to separate after stacking. The invention skillfully extends the application of the existing material to the field of PC boards with less research, but obtains outstanding technical effects.
Description
Technical Field
The invention relates to the technical field of air conditioner refrigerating systems, in particular to an improved PC board and a preparation method thereof.
Background
The PC board is characterized in that the PC board is made of polycarbonate serving as a main component and is prepared by CO-EXTRUSION technology, the PC board is resistant to neutral oil, strong acid, durability and alkali resistance, and the PC board is coated with UV to be tested, the PC board comprises a PC resistant board, a PC sunlight board, a PC particle board, a PC light diffusion board, a PC frosted board, a PC corrugated board and the like, various PC boards are widely applied in the production and living field, for example, the PC resistant board can be widely applied to indoor decoration, skylights, suspended ceilings, partitions, screens and carports of buildings, the PC light diffusion board is applied to advertising light boxes, billboards and L ED electronic display screens, the PC sunlight board can be applied to industrial plants, houses, passages, parking sheds, modern agricultural greenhouses and the like, but the PC board in the prior art is generally required to be transparent to maintain the light transmittance of the PC board, the surface of the PC board is required to be coated with UV resistant coatings, the UV coatings are not easy to detect the PC board surface of PC boards, and the PC boards can be subjected to UV resistance detection by a UV microscope, the UV detection is not capable of being detected, the PC board surface of UV, the PC board is not capable of being detected by a UV, the UV resistance of UV, the PC board is detected by a UV, the UV coating is not capable of being detected by a UV, the PC board is detected by a UV-resistant microscope, the PC board is detected by the UV-resistant coating, the PC board is not capable of being detected by the PC board is detected by the UV-resisting-UV-resisting detection method, the method is not capable of being detected by the PC board, the method of being detected by the method of being used for detecting the PC board, the PC board is not capable of being detected by the method, the method of being used for detecting the PC board.
Moreover, aiming at a thin plane or non-flat plane PC board, for example, the PC wave board has many hems, a stacking and shipping mode is often adopted when a manufacturer ships, and the boards adjacent to each other are easy to form vacuum due to the close contact of the board surfaces and the friction force of the board surfaces is large, so that a customer is particularly difficult to separate the boards when reflecting the construction of workers, and the construction time of the workers is greatly slowed down.
The invention provides an improved PC board and a preparation method thereof aiming at the problems, and solves one or more technical problems.
Disclosure of Invention
An improved PC board comprising: the PC board comprises a PC board body and an anti-UV coating, wherein the anti-UV coating is positioned on the upper surface and the lower surface of the PC board body and comprises a mixed component coating of an anti-UV agent and fluorescent powder.
Preferably, the improved PC board has a yellow-green phosphor. The yellow-green fluorescent powder is added into the anti-UV agent, heated and melted, and a coating of mixed components is formed on the surface of the PC board body, so that the whole transmittance of the PC board can be kept, the anti-UV coating after the fluorescent powder is added can emit bright light under the irradiation of a light source due to the fluorescent characteristic, a quality inspector only needs to move in the extension direction of the PC board to judge whether the brightness appears so as to complete the detection of the integrity of the anti-UV layer, and the detection cost is low, the speed is high, and the detection result has strong representation.
Preferably, in the improved PC board, the yellow-green phosphor is 5-tert-butyl-1, 3-benzoxazolyl, and has a chemical formula:
preferably, the preparation method of the yellow-green phosphor for the improved PC board is as follows:
(1) preparing acetone solution of 8-hydroxyquinoline, and ethanol or acetone solution of phenol or 4-methoxyphenol, and mixing and stirring;
(2) slowly adding triethylamine to deprotonate the phenol or phenol derivative from the 8-hydroxyquinoline;
(3) adding water solution of zirconium oxychloride, heating, stirring, reacting, filtering, washing and drying to obtain the zirconium complex.
Preferably, the improved PC board, the UV resistant agent: the weight ratio of the yellow-green fluorescent powder is 5: 0.01-5: 0.05, preferably 5: 0.02-5: 0.04.
Preferably, the improved PC board is characterized in that the minimum thickness of the UV resistant coating of the mixed component of the UV resistant agent and the fluorescent powder is 15 um-65 um, and the minimum thickness is preferably 25 um-55 um. In order to detect whether a bright fluorescent layer is on the upper and lower surfaces of the PC board by using a light source, the UV-resistant coating on the surface of the PC board body needs to reach a certain thickness, and the requirements of the lowest thickness are met by integrating the manufacturing cost and the detection accuracy of the whole PC board.
Preferably, the improved PC board has the UV resistant coating which is a mixed component coating of a UV resistant agent, a fluorescent powder and a lubricant. The anti-UV coating added with the lubricant can greatly reduce the friction force between adjacent layers after stacking, and is convenient for workers to separate during construction.
Preferably, the improved PC board, the yellow-green phosphor: the weight ratio of the lubricant is 1: 7-1: 25, preferably 1: 10-1: 20.
Preferably, the improved PC board, the PC board body or/and the anti-UV coating further comprises a high efficiency phosphorus stabilizer based on diphenylamine and a heterocyclic diphenylamine derivative, wherein the high efficiency phosphorus stabilizer is selected from one or more organic compounds disclosed in patent CN110573566A, the high efficiency phosphorus stabilizer accounts for 0.1-1.5% of the weight of the raw material of the PC board body particles, and the high efficiency phosphorus stabilizer accounts for 0.2-2.5% of the weight of the anti-UV agent. The stability of the PC board body or the surface coating of the PC board is improved, and the service life of the PC board is prolonged.
Preferably, the minimum thickness of the anti-UV coating of the mixed components of the anti-UV agent, the fluorescent powder and the lubricant is 25um to 65um, and the minimum thickness is preferably 30um to 50 um.
Preferably, the improved PC board and the lubricant are preferably talcum powder and have a chemical formula of Mg3Si4O10(OH)2The talcum powder is semitransparent, and the anti-UV coating added with the talcum powder can greatly reduce the friction force on the surface of the PC board and greatly improve the phenomenon of difficult separation of the PC board.
A preparation method of an improved PC board comprises the following steps:
(1) putting resin particles of a PC board body into a main feeding storage hopper, and putting uniformly stirred mixed components into a feeding storage hopper of a covering machine, wherein the mixed components are a mixture of fluorescent powder and an anti-UV agent or a mixture of fluorescent powder, an anti-UV agent and a lubricant;
(2) melting the resin particles of the PC board body in a screw extruder, and then passing the melted resin particles through a distributor, wherein the heating temperature is 260-275 ℃, and vacuumizing or introducing inert gas into the distributor is used for ensuring transparency and avoiding bubbles mixed in the molten liquid; melting the mixed components by a screw extruder, and then passing the melted mixed components through a distributor, wherein the heating temperature is 270-285 ℃;
(3) extruding through a die head, and then sequentially passing through a shaping table, a traction roller, a tempering furnace and cutting to obtain a finished product.
Preferably, the preparation method of the improved PC board comprises the following steps: in the step (2), the UV resistant coating of the mixed components is co-extruded on the two sides of the PC board body under the action of the distributor.
Preferably, the preparation method of the improved PC board comprises the following steps: the tempering temperature in the step (3) is 130-135 ℃.
The following specific embodiments will further illustrate the invention.
Detailed Description
Specific embodiment example 1:
an improved PC board comprising: the PC board comprises a PC board body and anti-UV coatings, wherein the anti-UV coatings are positioned on the upper surface and the lower surface of the PC board body and are coatings of mixed components of anti-UV agents and fluorescent powder.
Wherein the fluorescent powder is yellow green fluorescent powder. After the yellow-green fluorescent powder is added into the anti-UV agent and heated and melted and a coating of mixed components is formed on the surface of the PC board body, the transmittance of the whole PC board can be kept, the anti-UV coating added with the fluorescent powder can emit bright eye brightness under the irradiation of a light source due to the fluorescent characteristic of the anti-UV coating, a quality inspector can finish the detection of the integrity of the anti-UV layer only by moving and irradiating in the extension direction of the PC board to judge whether the brightness appears, the detection cost is low, the speed is high, and the detection result has strong representativeness.
Optionally, the yellow-green phosphor is 5-tert-butyl-1, 3-benzoxazolyl, and has the chemical formula:
further, the anti-UV agent: the weight ratio of the yellow-green fluorescent powder is 5: 0.02.
Further, the minimum thickness of the UV-resistant coating layer composed of the mixed composition of the UV-resistant agent and the phosphor is 23um or 35 um. In order to detect whether a bright fluorescent layer is formed on the upper surface and the lower surface of the PC board by using a light source, the UV-resistant coating on the surface of the PC board body needs to reach a certain thickness, and the requirements of the lowest thickness are met by integrating the manufacturing cost and the detection accuracy of the whole PC board.
Further, the UV resistant coating is a mixed composition coating of a UV resistant agent, a phosphor, and a lubricant. The anti-UV coating added with the lubricant can greatly reduce the friction force between adjacent layers after stacking, and is convenient for workers to separate during construction. The lubricant is preferably talc powder with chemical formula of Mg3Si4O10(OH)2The talcum powder is semitransparent, and the anti-UV coating added with the talcum powder can greatly reduce the friction force on the surface of the PC board and greatly improve the phenomenon of difficult separation of the PC board. Wherein, the yellow-green fluorescent powder: the weight ratio of the lubricant is 1: 11.
Further, the PC board body or/and the UV-resistant coating also comprise a high-efficiency phosphorus stabilizer based on diphenylamine and heterocyclic diphenylamine derivatives, and the high-efficiency phosphorus stabilizer is
The efficient phosphorus stabilizer accounts for 0.12 percent of the weight of the raw material of the PC board body particles, and the efficient phosphorus stabilizer accounts for 0.2 percent of the weight of the anti-UV agent. The stability of the PC board body or the surface coating of the PC board is improved, and the service life of the PC board is prolonged.
Further, the minimum thickness of the UV resistant coating layer formed by the mixed components of the UV resistant agent, the fluorescent powder and the lubricant is 38 um.
A preparation method of an improved PC board comprises the following steps:
(1) putting resin particles of a PC board body into a main feeding storage hopper, and putting uniformly stirred mixed components into a feeding storage hopper of a covering machine, wherein the mixed components are a mixture of fluorescent powder and an anti-UV agent or a mixture of fluorescent powder, an anti-UV agent and a lubricant;
(2) melting the resin particles of the PC board body in a screw extruder, and then passing the melted resin particles through a distributor, wherein the heating temperature is 270 ℃, and vacuumizing or introducing inert gas into the distributor is used for ensuring transparency and simultaneously avoiding bubbles mixed in the molten liquid; melting the mixed components by a screw extruder, and then passing the melted mixed components through a distributor, wherein the heating temperature is 275 ℃;
(3) extruding through a die head, and then sequentially passing through a shaping table, a traction roller, a tempering furnace and cutting to obtain a finished product.
Wherein: in the step (2), the UV resistant coating of the mixed components is co-extruded on the two sides of the PC board body under the action of a distributor, and the tempering temperature in the step (3) is 133 ℃.
Specific embodiment example 2:
an improved PC board comprising: the PC board comprises a PC board body and anti-UV coatings, wherein the anti-UV coatings are positioned on the upper surface and the lower surface of the PC board body and are coatings of mixed components of anti-UV agents and fluorescent powder.
Wherein the fluorescent powder is yellow green fluorescent powder. After the yellow-green fluorescent powder is added into the anti-UV agent and heated and melted and a coating of mixed components is formed on the surface of the PC board body, the transmittance of the whole PC board can be kept, the anti-UV coating added with the fluorescent powder can emit bright eye brightness under the irradiation of a light source due to the fluorescent characteristic of the anti-UV coating, a quality inspector can finish the detection of the integrity of the anti-UV layer only by moving and irradiating in the extension direction of the PC board to judge whether the brightness appears, the detection cost is low, the speed is high, and the detection result has strong representativeness. The preparation method of the yellow-green fluorescent powder comprises the following steps:
(1) preparing acetone solution of 8-hydroxyquinoline, and ethanol or acetone solution of phenol or 4-methoxyphenol, and mixing and stirring;
(2) slowly adding triethylamine to deprotonate the phenol or phenol derivative from the 8-hydroxyquinoline;
(3) adding water solution of zirconium oxychloride, heating, stirring, reacting, filtering, washing and drying to obtain the zirconium complex.
Preferably, the improved PC board, the UV resistant agent: the weight ratio of the yellow-green fluorescent powder is 5: 0.03.
Further, the minimum thickness of the UV-resistant coating layer of the mixed composition of the UV-resistant agent and the phosphor is 40 or 45 um. In order to detect whether a bright fluorescent layer is formed on the upper and lower surfaces of the PC board by using the light source, the UV-resistant coating on the surface of the PC board body needs to reach a certain thickness, and the requirement of the lowest thickness is required by integrating the manufacturing cost and the detection accuracy of the whole PC board.
Alternatively, the UV resistant coating is a mixed composition coating of UV resistant agent, phosphor and lubricant. The anti-UV coating added with the lubricant can greatly reduce the friction force between adjacent layers after stacking, and is convenient for workers to separate during construction. The weight ratio of the lubricant is 1: 18.
Preferably, the improved PC board, the PC board body or/and the UV-resistant coating further comprise a high-efficiency phosphorus stabilizer based on diphenylamine and heterocyclic diphenylamine derivatives, and the high-efficiency phosphorus stabilizer is
Preferably, the minimum thickness of the UV resistant coating of the improved PC board is 45um or 55um, wherein the UV resistant coating is a mixed component of UV resistant agent, fluorescent powder and lubricant.
Preferably, the improved PC board and the lubricant are preferably talcum powder and have a chemical formula of Mg3Si4O10(OH)2The talcum powder is semitransparent, and the anti-UV coating added with the talcum powder can greatly reduce the friction force on the surface of the PC board and greatly improve the phenomenon of difficult separation of the PC board.
A preparation method of an improved PC board comprises the following steps:
(1) putting resin particles of a PC board body into a main feeding storage hopper, and putting uniformly stirred mixed components into a feeding storage hopper of a covering machine, wherein the mixed components are a mixture of fluorescent powder and an anti-UV agent or a mixture of fluorescent powder, an anti-UV agent and a lubricant;
(2) melting the resin particles of the PC board body in a screw extruder, and then passing the melted resin particles through a distributor, wherein the heating temperature is 275 ℃, and vacuumizing or introducing inert gas into the distributor for ensuring transparency and avoiding bubbles mixed in the molten liquid; melting the mixed components by a screw extruder, and then passing the melted mixed components through a distributor, wherein the heating temperature is 285 ℃;
(3) extruding through a die head, and then sequentially passing through a shaping table, a traction roller, a tempering furnace and cutting to obtain a finished product.
In the step (2), the UV resistant coating of the mixed components is co-extruded on the two sides of the PC board body under the action of the distributor.
The tempering temperature in said further step (3) is 135 ℃.
The improved PC board related to the specific embodiment easily solves the problem of detecting the UV-resistant coating on the surface of the PC board body by a manufacturer by adding the conventional fluorescent powder on the market into the UV-resistant coating on the surface, does not need microscope detection or aging-resistant detection irradiated by an ultraviolet lamp, which has high use cost, low representativeness, difficult operation and long time consumption, and can judge whether a produced product is qualified or not by judging whether the surface forms a continuous bright surface or not by using an ultraviolet lamp such as a currency detecting lamp; and moreover, a certain amount of lubricant is added into the UV-resistant coating, so that the friction force on the surface of the coating is greatly reduced, and the separation of the stacked products is facilitated.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An improved PC board comprising: PC board body, anti UV coating is located the upper and lower surface of PC board body, its characterized in that: the UV resistant coating comprises a mixed component coating of a UV resistant agent and fluorescent powder.
2. The improved PC board of claim 1 wherein: the fluorescent powder is yellow green fluorescent powder, the yellow green fluorescent powder is 5-tert-butyl-1, 3-benzoxazolyl, and the chemical formula is as follows:
3. the improved PC board of claim 1 wherein: the preparation method of the yellow-green fluorescent powder comprises the following steps:
(1) preparing acetone solution of 8-hydroxyquinoline, and ethanol or acetone solution of phenol or 4-methoxyphenol, and mixing and stirring;
(2) slowly adding triethylamine to deprotonate the phenol or phenol derivative from the 8-hydroxyquinoline;
(3) adding aqueous solution of zirconium oxychloride, heating, stirring, reacting, filtering, washing and drying to obtain the zirconium complex.
4. An improved PC board as recited in any of claims 2 or 3, wherein: the weight ratio of the anti-UV agent to the yellow-green fluorescent powder is 5: 0.01-5: 0.05.
5. An improved PC board as recited in any of claims 2 or 3, wherein: the minimum thickness of the coating layer of the mixed components of the anti-UV agent and the fluorescent powder is 15 um-65 um.
6. An improved PC board according to any one of claims 1-3 wherein: the anti-UV coating is a mixed component coating of an anti-UV agent, fluorescent powder and a lubricant.
7. The improved PC board of claim 6 wherein: the weight ratio of the lubricant is 1: 7-1: 25.
8. The improved PC board of claim 1 wherein: the PC board body or/and the UV resistant coating also comprises a high-efficiency phosphorus stabilizer based on diphenylamine and heterocyclic diphenylamine derivatives.
9. The improved PC board of claim 6 wherein: the minimum thickness of the coating of the mixed components of the anti-UV agent, the fluorescent powder and the lubricant is 25-65 um, the lubricant is talcum powder and has a chemical formula of Mg3Si4O10(OH)2。
10. The method for preparing an improved PC board according to claim 1 or 6, comprising the steps of:
(1) putting the resin particles of the PC board body into a main feeding storage hopper, and putting the uniformly stirred mixed components into a feeding storage hopper of a covering machine;
(2) melting the resin particles of the PC board body in a screw extruder, and then passing the melted resin particles through a distributor, wherein the heating temperature is 260-275 ℃, and vacuumizing or introducing inert gas into the distributor for ensuring transparency and avoiding bubbles mixed in the molten liquid; melting the mixed components by a screw extruder, passing the melted mixed components through a distributor, heating the mixed components to 270-285 ℃, and co-extruding the anti-UV coatings of the mixed components on the two sides of the PC board body under the action of the distributor;
(3) extruding the mixture through a die head, and then sequentially passing through a sizing table, a traction roller, a tempering furnace and cutting to obtain a finished product, wherein the tempering temperature is 130-135 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010215555.3A CN111440347A (en) | 2020-03-25 | 2020-03-25 | Improved PC board and preparation method thereof |
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| CN202010215555.3A CN111440347A (en) | 2020-03-25 | 2020-03-25 | Improved PC board and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115386267A (en) * | 2022-10-09 | 2022-11-25 | 福建省腾达洁环保工程有限公司 | Weather-resistant visual transparent protective coating and preparation method thereof |
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| CN110254006A (en) * | 2019-05-21 | 2019-09-20 | 品诚塑胶科技（上海）有限公司 | A kind of transparent high surface hardness weather resistant PC plate and preparation method thereof |
| JP2019217742A (en) * | 2018-06-22 | 2019-12-26 | 株式会社クラレ | Antiglare extruded resin plate, method for manufacturing the same, and protection plate |
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2020
- 2020-03-25 CN CN202010215555.3A patent/CN111440347A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1513939A (en) * | 2003-07-11 | 2004-07-21 | 太原理工大学 | Organic electroluminous material and its preparation method and application |
| CN103134785A (en) * | 2013-02-07 | 2013-06-05 | 华南理工大学 | Fluorescent powder coating surface defect detecting system and method based on machine vision |
| JP2019217742A (en) * | 2018-06-22 | 2019-12-26 | 株式会社クラレ | Antiglare extruded resin plate, method for manufacturing the same, and protection plate |
| CN108912372A (en) * | 2018-07-24 | 2018-11-30 | 品诚塑胶科技（上海）有限公司 | A kind of polycarbonate sunshine board and preparation method thereof of the composite coating of absorbent containing nanometer ultraviolet ray |
| CN110254006A (en) * | 2019-05-21 | 2019-09-20 | 品诚塑胶科技（上海）有限公司 | A kind of transparent high surface hardness weather resistant PC plate and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115386267A (en) * | 2022-10-09 | 2022-11-25 | 福建省腾达洁环保工程有限公司 | Weather-resistant visual transparent protective coating and preparation method thereof |
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