CN110903624A - Diffusion plate and preparation method thereof - Google Patents
Diffusion plate and preparation method thereof Download PDFInfo
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- CN110903624A CN110903624A CN201911187621.4A CN201911187621A CN110903624A CN 110903624 A CN110903624 A CN 110903624A CN 201911187621 A CN201911187621 A CN 201911187621A CN 110903624 A CN110903624 A CN 110903624A
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- diffuser plate
- diffusion plate
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Catalysts (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a diffusion plate and a preparation method thereof, wherein the raw materials of the diffusion plate comprise the following components in parts by weight: PC particles: 80-120 parts of a solvent; glass fiber: 10-30 parts; organic silicon powder: 0.5-1.5 parts; flame retardant: 2-3 parts of a solvent; auxiliary agent: 0.5-1.5 parts; filling: 0.5 to 1.5 portions. The diffusion plate disclosed by the invention is high in toughness and low in expansion rate, and can well meet market demands.
Description
Technical Field
The invention relates to a diffusion plate and a preparation method thereof.
Background
Common diffusion plates on the market are generally produced by using cheap PS, and the material is brittle when being cooled, has high preheating expansion rate and unstable size, and has common optical performance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a diffusion plate which has high toughness and low expansion rate and can well meet the market demand.
In order to solve the technical problems, the technical scheme of the invention is as follows: a diffusion plate comprises the following components in parts by mass in raw materials:
PC particles: 80-120 parts of a solvent;
glass fiber: 10-30 parts;
organic silicon powder: 0.5-1.5 parts;
flame retardant: 2-3 parts of a solvent;
auxiliary agent: 0.5-1.5 parts;
filling: 0.5 to 1.5 portions.
Further, the glass fiber is long-cut glass fiber.
Further, the auxiliary agent comprises at least one of a coupling agent and a light stabilizer.
Further, the filler comprises at least one of rutile type titanium dioxide and anatase type titanium dioxide.
The invention also provides a preparation method of the diffusion plate, which comprises the following steps:
uniformly mixing all components in the raw material of the diffusion plate according to corresponding parts by mass to obtain a mixture;
extruding and molding the mixture and cutting to obtain a pre-molded product;
and (5) re-shaping the pre-shaped product to obtain a finished product.
Further, the mixing of all components in the raw materials is carried out in a telling mixer, the stirring speed is 200-500 r/min, and the stirring time is 10-30 min.
Further, extruding and molding the mixture by using an extruding machine, wherein the extruding temperature of the extruding machine is 300-330 ℃.
Further, the method steps further comprise:
and cleaning, drying and packaging the finished product.
Further, the finished product cleaning method comprises the step of carrying out spray washing on the upper surface and the lower surface of the finished product by spray water in the process of conveying the finished product by the conveying belt.
After the technical scheme is adopted, the PC is taken as a main body, the PC has the characteristics of good optical performance, good toughness and low expansion rate and is suitable for a high-quality television, the glass fiber and the fire retardant are added in the formula of the invention, the glass fiber has the characteristics of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, and the heat resistance, the fire resistance and the mechanical strength of the diffusion plate are increased and the comprehensive performance of the diffusion plate is improved by matching the glass fiber with the fire retardant; the diffusion plate has the advantages of easily available raw materials, simple preparation process and greatly reduced production cost.
Detailed Description
In order that the present invention may be more clearly understood, the following detailed description of the present invention is given with reference to specific examples.
Example one
A diffusion plate comprises the following components in raw materials by mass:
PC particles: 80 kg; long glass fiber cutting: 10 kg; organic silicon powder: 0.5 kg; flame retardant: 2 kg;
coupling agent: 0.2 kg; light stabilizer: 0.3 kg; rutile type titanium dioxide: 0.5 kg.
A method for preparing a diffusion plate comprises the following steps:
stirring 80kg of PC particles, 10kg of long-cut glass fiber, 0.5kg of organic silicon powder, 2kg of flame retardant, 0.2kg of coupling agent, 0.3kg of light stabilizer and 0.5kg of rutile type titanium dioxide in a mixer at the stirring speed of 200r/min for 30min to obtain a mixture;
putting the mixture into an extruder, extruding and molding at 300 ℃, and then cutting to obtain a pre-molded product;
and (4) re-shaping the pre-shaped product to obtain a finished product, and cleaning, drying and packaging the finished product.
Example two
A diffusion plate comprises the following components in raw materials by mass:
PC particles: 200 kg; long glass fiber cutting: 40 kg; organic silicon powder: 2 kg; 5kg of flame retardant;
coupling agent: 2 kg; rutile type titanium dioxide: 02 kg.
A method for preparing a diffusion plate comprises the following steps:
stirring 200kg of PC particles, 40kg of long-cut glass fibers, 2kg of organic silicon powder, 5kg of flame retardant, 2kg of coupling agent and 2kg of rutile type titanium dioxide in a mixer at the stirring speed of 350r/min for 20min to obtain a mixture;
putting the mixture into an extruder, extruding and molding at 315 ℃, and then cutting to obtain a pre-molded product;
and (4) re-shaping the pre-shaped product to obtain a finished product, and cleaning, drying and packaging the finished product.
EXAMPLE III
A diffusion plate comprises the following components in raw materials by mass:
PC particles: 120 kg; long glass fiber cutting: 30 kg; organic silicon powder: 1.5 kg; flame retardant: 3 kg; light stabilizer: 1.5 kg; anatase type titanium dioxide: 1.5 kg.
A method for preparing a diffusion plate comprises the following steps:
stirring 120kg of PC particles, 30kg of long-cut glass fiber, 1.5kg of organic silicon powder, 3kg of flame retardant, 1.5kg of light stabilizer and 1.5kg of anatase titanium dioxide in a mixer at the stirring speed of 500r/min for 10min to obtain a mixture;
putting the mixture into an extruder, extruding and molding at 330 ℃, and then cutting to obtain a pre-molded product;
and (4) re-shaping the pre-shaped product to obtain a finished product, and cleaning, drying and packaging the finished product.
The working principle of the invention is as follows:
the invention uses PC as the main body, PC has the characteristics of good optical property, good toughness and low expansion rate, and is suitable for high-quality televisions, glass fiber and flame retardant are also added in the formula of the invention, the glass fiber has the characteristics of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, and the invention is used by matching with the flame retardant, so that the heat resistance, the flame resistance and the mechanical strength of the diffusion plate are increased, and the comprehensive performance of the diffusion plate is improved; the diffusion plate has the advantages of easily available raw materials, simple preparation process and greatly reduced production cost.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A diffusion plate is characterized in that a diffusion plate is provided,
the raw materials comprise the following components in parts by weight:
PC particles: 80-120 parts of a solvent;
glass fiber: 10-30 parts;
organic silicon powder: 0.5-1.5 parts;
flame retardant: 2-3 parts of a solvent;
auxiliary agent: 0.5-1.5 parts;
filling: 0.5 to 1.5 portions.
2. The diffuser plate of claim 1,
the glass fiber is long-cut glass fiber.
3. The diffuser plate of claim 1,
the auxiliary agent comprises at least one of a coupling agent and a light stabilizer.
4. The diffuser plate of claim 1,
the filler comprises at least one of rutile type titanium dioxide and anatase type titanium dioxide.
5. A method for manufacturing a diffuser plate according to any one of claims 1 to 4,
the method comprises the following steps:
uniformly mixing all components in the raw material of the diffusion plate according to corresponding parts by mass to obtain a mixture;
extruding and molding the mixture and cutting to obtain a pre-molded product;
and (5) re-shaping the pre-shaped product to obtain a finished product.
6. The method of manufacturing a diffuser plate according to claim 5,
the mixing of all components in the raw materials is carried out in a telling mixer, the stirring speed is 200-500 r/min, and the stirring time is 10-30 min.
7. The method of manufacturing a diffuser plate according to claim 5,
extruding the mixture by using an extruding machine, wherein the extruding temperature of the extruding machine is 300-330 ℃.
8. The method of manufacturing a diffuser plate according to claim 5,
the method also comprises the following steps: and cleaning, drying and packaging the finished product.
9. The method of manufacturing a diffuser plate according to claim 8,
the finished product cleaning method comprises the step of carrying out spray washing on the upper surface and the lower surface of the finished product by spray water in the process of conveying the finished product by the conveying belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911187621.4A CN110903624A (en) | 2019-11-28 | 2019-11-28 | Diffusion plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911187621.4A CN110903624A (en) | 2019-11-28 | 2019-11-28 | Diffusion plate and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110903624A true CN110903624A (en) | 2020-03-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911187621.4A Pending CN110903624A (en) | 2019-11-28 | 2019-11-28 | Diffusion plate and preparation method thereof |
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| CN (1) | CN110903624A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104725816A (en) * | 2013-12-23 | 2015-06-24 | 青岛万力科技有限公司 | Glass-fiber reinforced and flame-retarded photodiffusion PC composite material |
| CN105542426A (en) * | 2016-03-09 | 2016-05-04 | 银禧工程塑料（东莞）有限公司 | Low-expansion, flame-retardant and photodiffusion PC (polycarbonate) composite material for LED lamp tube and preparation method of PC composite material |
| CN107434892A (en) * | 2017-06-28 | 2017-12-05 | 常州大智光电有限公司 | Diffuser plate and preparation method thereof |
-
2019
- 2019-11-28 CN CN201911187621.4A patent/CN110903624A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104725816A (en) * | 2013-12-23 | 2015-06-24 | 青岛万力科技有限公司 | Glass-fiber reinforced and flame-retarded photodiffusion PC composite material |
| CN105542426A (en) * | 2016-03-09 | 2016-05-04 | 银禧工程塑料（东莞）有限公司 | Low-expansion, flame-retardant and photodiffusion PC (polycarbonate) composite material for LED lamp tube and preparation method of PC composite material |
| CN107434892A (en) * | 2017-06-28 | 2017-12-05 | 常州大智光电有限公司 | Diffuser plate and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王文广主编: "《聚合物改性原理》", 31 March 2018, 中国轻工业出版社 * |
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Application publication date: 20200324 |