CN112269221A - Anti-dazzle diffusion plate, processing method and application thereof - Google Patents
Anti-dazzle diffusion plate, processing method and application thereof Download PDFInfo
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- CN112269221A CN112269221A CN202011175321.7A CN202011175321A CN112269221A CN 112269221 A CN112269221 A CN 112269221A CN 202011175321 A CN202011175321 A CN 202011175321A CN 112269221 A CN112269221 A CN 112269221A
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- diffusion
- dazzle
- component
- glare
- plate
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an anti-glare diffusion plate which comprises the following raw materials in parts by weight: anti-glare component: 90-110 parts of PS; a diffusion component: 90-100 parts of PS, 0.1-1 part of zinc stearate, 0.1-1 part of white mineral oil and 1-5 parts of organosilicon diffusant; the dosage ratio of the anti-dazzle component to the diffusion component is (5-10): 2. the anti-dazzle diffusion plate provided by the invention has the effects of the anti-dazzle plate and the diffusion plate, when the anti-dazzle diffusion plate is used for manufacturing a lamp, the light source light is softer and more comfortable, the dazzle is effectively controlled, and the experience effect of a user is improved. The invention extrudes the melted raw materials through the anti-dazzle plate die and the diffusion plate die, so that the anti-dazzle plate and the diffusion plate are molded at one time, the manual assembly cost can be reduced, and the processing and assembly efficiency is improved. The anti-glare diffusion plate can be produced by adopting the existing production equipment and production method, is convenient to implement and has no difficulty in process.
Description
Technical Field
The invention relates to an anti-glare diffusion plate, a processing method and application thereof, and belongs to the field of optical plates.
Background
Glare refers to the sensation of discomfort or loss of visual performance caused by exposure to intense light within the visual field. Because the LED lamp belongs to a point light source, if the LED lamp is improperly used, glare is easily generated, and further physical and psychological health of a user is influenced.
The anti-dazzle plate is made of optical acrylic or PS plate and non-light-absorbing high-tech material with very high refractive index, and features that the relative texture is embossed on the bottom of optical plate to reduce ugr value. The diffuser plate is used for causing the interference to light, makes the beam angle become 160 ~ 176, is about to light dispersion to prevent the glare, but along with present lamps and lanterns are more and more bright, the glare that arouses also is more and more serious, seriously influences user experience.
At present, a panel lamp generally comprises an anti-dazzle plate, a diffusion plate and a light guide plate from outside to inside in sequence, each plate is independently processed and formed, and the plate is independently manufactured and assembled in the later period. If the anti-dazzle plate and the diffusion plate are processed and molded in a composite mode, the production cost can be effectively reduced, and the production efficiency is improved.
In the prior art, an integrally forming production process (application number is CN201810476049.2) for an anti-glare diffusion plate sequentially comprises raw material pretreatment, melt extrusion, sheet forming and traction cutting. The raw material pretreatment is to carry out preliminary separation and pre-crystallization on the raw material. The melt extrusion is to heat, melt and extrude the raw materials, and extrude the raw materials through a diffusion die and an anti-dazzle die; the sheet forming is to obtain the anti-dazzle diffusion plate sheet by cooling and forming through a cooling mould; the traction cutting is to lead the sheet to be drawn by a tractor so as to flatten the sheet and cut the sheet according to the required size.
In addition, the preparation process of the anti-glare diffusion plate (application number CN201811039974.5) comprises the following steps: selecting 80-120 parts by weight of PS raw material, adding 0.1-0.5 part by weight of light diffusant, 0.5-2 parts by weight of diffusion powder and 0.01-0.05 part by weight of dispersant into the PS raw material, stirring and mixing to form a mixture; adding the mixture into an extrusion molding machine by adopting an extrusion process to extrude the mixture to form a diffusion plate; embossing the diffusion plate by using an embossing roller with convex polygonal patterns to manufacture the diffusion plate with concave polygonal patterns and honeycomb-shaped surface shape; and (4) selecting a cutter to cut the diffusion plate.
The process steps are complicated, the construction process has certain operation difficulty, and the applicability is poor.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an anti-glare diffusion plate, and a processing method and application thereof.
In order to achieve the purpose, the anti-glare diffusion plate comprises the following raw materials in parts by weight:
anti-glare component: 90-110 parts of PS;
a diffusion component: 90-100 parts of PS, 0.1-1 part of zinc stearate, 0.1-1 part of white mineral oil and 1-5 parts of organosilicon diffusant;
the dosage ratio of the anti-dazzle component to the diffusion component is (5-10): 2.
as an improvement, the anti-dazzle diffusion plate comprises the following raw materials in parts by weight:
anti-glare component: 100 parts of PS;
a diffusion component: 95 parts of PS, 0.5 part of zinc stearate, 0.5 part of white mineral oil and 4 parts of organosilicon dispersing agent.
As an improvement, the dosage ratio of the anti-dazzle component to the diffusion component is 4: 1.
in addition, the invention also provides a processing method of the anti-dazzle diffusion plate, which comprises the following steps:
1) weighing the anti-glare component and the diffusion component with the formula ratio, respectively adding the anti-glare component into a hopper A of a multi-screw extruder, adding the diffusion component into a hopper B of the multi-screw extruder, and stirring to be in a uniform state;
2) setting the temperature of a screw section A for processing the anti-dazzle material to be 180-270 ℃, and pushing the anti-dazzle material to a distributor through the shearing force of the screw;
3) setting the temperature of a screw section B for processing the diffusion material to be 180-270 ℃, and pushing the diffusion material to a distributor through the screw shearing force;
4) the distribution ratio of the screw section A and the screw section B in the distributor is set to be (5-10): 2, extruding the mixture to a die frame through a die head A and a die head B respectively;
5) keeping the temperature of the die frame within the range of 205-260 ℃, starting the anti-glare plate die and the diffusion plate die to extrude the plates, and then simultaneously carrying out thermal compounding through a skew roller;
6) and cooling the pressed plate to obtain the anti-dazzle diffusion plate.
As an improvement, the processing method comprises the following steps:
1) weighing the anti-glare component and the diffusion component with the formula ratio, respectively adding the anti-glare component into a hopper A of a multi-screw extruder, adding the diffusion component into a hopper B of the multi-screw extruder, and stirring to be in a uniform state;
2) setting the temperature of a screw section A for processing the anti-dazzle material to be 230 ℃, and pushing the anti-dazzle material to a distributor through the shearing force of a screw;
3) setting the temperature of a screw section B for processing the diffusion material to be 230 ℃, and pushing the diffusion material to a distributor through screw shearing force;
4) setting the distribution ratio of a screw section A and a screw section B in the distributor to be 4:1, and simultaneously extruding the screw section A and the screw section B to a die carrier through a die head A and a die head B respectively;
5) keeping the temperature of the die frame at 220 ℃, starting an anti-dazzle plate die and a diffusion plate die to extrude the plates, and then simultaneously carrying out thermal compounding through a skew roller;
6) and cooling the plate subjected to composite imprinting to obtain the anti-dazzle diffusion plate.
Finally, the invention also provides application of the anti-dazzle diffusion plate in the lamp.
Compared with the prior art, the invention has the beneficial effects that:
1) the anti-dazzle diffusion plate provided by the invention has the effects of the anti-dazzle plate and the diffusion plate, when the anti-dazzle diffusion plate is used for manufacturing a lamp, the light source light is softer and more comfortable, the dazzle is effectively controlled, and the experience effect of a user is improved.
2) According to the anti-dazzle diffusion plate, the fused raw materials are extruded through the anti-dazzle plate die and the diffusion plate die, so that the anti-dazzle plate and the diffusion plate are formed at one time, the manual assembly cost can be reduced, and the processing and assembly efficiency is improved.
3) The anti-glare diffusion plate can be produced by adopting the existing production equipment and production method, is convenient to implement and has no difficulty in process.
4) According to the processing method, the anti-dazzle plate blank and the diffusion plate blank are prefabricated firstly and then are subjected to composite imprinting, so that the process difficulty, the equipment and the manufacturing cost are greatly reduced; and the process conditions are easy to realize.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Example 1
An anti-glare diffusion plate comprises the following raw materials in parts by weight:
anti-glare component: 90 parts of PS;
a diffusion component: 90 parts of PS, 0.1 part of zinc stearate, 0.1 part of white mineral oil and 1 part of organic silicon diffusant;
the processing method of the anti-dazzle diffusion plate comprises the following steps:
1) weighing the anti-glare component and the diffusion component with the formula ratio, respectively adding the anti-glare component into a hopper A of a multi-screw extruder, adding the diffusion component into a hopper B of the multi-screw extruder, and controlling the stirring at the speed of 30 revolutions per minute to be in a uniform state;
2) the uniformly stirred anti-glare components enter a screw section A, the processing temperature of the screw section A is set to be 180 ℃, and the molten anti-glare components are pushed to a distributor through the shearing force of a screw;
3) the uniformly stirred diffusion component enters a screw section B, the processing temperature of the screw section B is set to be 180 ℃, and the molten diffusion component is pushed to a distributor through the shearing force of a screw;
4) the distribution ratio of the anti-dazzle component pushed by the screw section A and the diffusion component pushed by the screw section B in the distributor is set to be 5: 2, controlling the anti-dazzle component to be extruded to the die frame through the die head A and the diffusion component through the die head B simultaneously to form an anti-dazzle plate blank and a diffusion plate blank;
5) the temperature of the die frame is kept at 205 ℃, the anti-dazzle plate die and the diffusion plate die are started to extrude plates, the extruded anti-dazzle plate and the extruded diffusion plate are thermally compounded by an oblique roller, the water temperature of the oblique roller is 110 ℃, the roller speed is 4m/s, and the compounding effect and the efficiency of the anti-dazzle plate and the diffusion plate are effectively guaranteed;
6) and naturally cooling the plate subjected to composite imprinting for 1min to obtain the anti-glare diffusion plate.
Example 2
An anti-glare diffusion plate comprises the following raw materials in parts by weight:
anti-glare component: 100 parts of PS;
a diffusion component: 95 parts of PS, 0.5 part of zinc stearate, 0.5 part of white mineral oil and 4 parts of organosilicon diffusant;
the processing method of the anti-dazzle diffusion plate comprises the following steps:
1) weighing the anti-glare component and the diffusion component with the formula ratio, respectively adding the anti-glare component into a hopper A of a multi-screw extruder, adding the diffusion component into a hopper B of the multi-screw extruder, and controlling the stirring at the speed of 30 revolutions per minute to be in a uniform state;
2) the uniformly stirred anti-glare components enter a screw section A, the processing temperature of the screw section A is set to be 230 ℃, and the molten anti-glare components are pushed to a distributor through the shearing force of a screw;
3) the uniformly stirred diffusion component enters a screw section B, the processing temperature of the screw section B is set to be 230 ℃, and the molten diffusion component is pushed to a distributor through the shearing force of a screw;
4) the distribution ratio of the anti-dazzle component pushed by the screw section A and the diffusion component pushed by the screw section B in the distributor is set to be 4:1, controlling the anti-dazzle component to be extruded to the die frame through the die head A and the diffusion component through the die head B simultaneously to form an anti-dazzle plate blank and a diffusion plate blank;
5) keeping the temperature of the die frame at 220 ℃, starting an anti-dazzle plate die and a diffusion plate die to extrude a plate, and simultaneously carrying out thermal compounding on the extruded anti-dazzle plate and the extruded diffusion plate through an inclined roller, wherein the water temperature of the inclined roller is 110 ℃, and the roller speed is 4 m/s;
6) and naturally cooling the plate subjected to composite imprinting for 1min to obtain the anti-glare diffusion plate.
Example 3
An anti-glare diffusion plate comprises the following raw materials in parts by weight:
anti-glare component: 110 parts of PS;
a diffusion component: 100 parts of PS, 1 part of zinc stearate, 1 part of white mineral oil and 5 parts of organic silicon diffusant;
the processing method of the anti-dazzle diffusion plate comprises the following steps:
1) weighing the anti-glare component and the diffusion component with the formula ratio, respectively adding the anti-glare component into a hopper A of a multi-screw extruder, adding the diffusion component into a hopper B of the multi-screw extruder, and controlling the stirring at the speed of 30 revolutions per minute to be in a uniform state;
2) the uniformly stirred anti-glare components enter a screw section A, the processing temperature of the screw section A is set to be 270 ℃, and the molten anti-glare components are pushed to a distributor through the shearing force of a screw;
3) the uniformly stirred diffusion component enters a screw section B, the processing temperature of the screw section B is set to be 270 ℃, and the molten diffusion component is pushed to a distributor through the shearing force of a screw;
4) the distribution ratio of the anti-dazzle component pushed by the screw section A and the diffusion component pushed by the screw section B in the distributor is set to be 5: 1, controlling the anti-dazzle component to be extruded to the die frame through the die head A and the diffusion component through the die head B simultaneously to form an anti-dazzle plate blank and a diffusion plate blank;
5) keeping the temperature of the die frame at 260 ℃, starting an anti-dazzle plate die and a diffusion plate die to extrude a plate, and simultaneously carrying out thermal compounding on the extruded anti-dazzle plate and the extruded diffusion plate through an inclined roller, wherein the water temperature of the inclined roller is 110 ℃, and the roller speed is 4 m/s;
6) and naturally cooling the plate subjected to composite imprinting for 1min to obtain the anti-glare diffusion plate.
The invention also provides application of the anti-dazzle diffusion plate in a lamp.
The performance of the anti-glare diffusion plate prepared in example 2 of the present invention was compared with that of a conventional anti-glare plate and a superimposed plate composed of the diffusion plate, and the specific results are shown in table 1 below.
TABLE 1 Performance of overlay plate composed of anti-glare diffuser plate of the present invention, conventional anti-glare plate, and diffuser plate
The anti-dazzle performance (UGR) is obtained by calculating a UGR value of the anti-dazzle diffusion plate by adopting a corresponding UGR calculation formula.
The diffusion performance (haze) refers to the haze of the anti-glare diffusion plate measured by a haze transmittance meter.
Analysis table 1 shows that the performance of the anti-glare diffusion plate of the present invention is significantly better than that of a superimposed plate composed of a conventional anti-glare plate and a diffusion plate.
The anti-dazzle diffusion plate provided by the invention has the effects of the anti-dazzle plate and the diffusion plate, when the anti-dazzle diffusion plate is used for manufacturing a lamp, the light source light is softer and more comfortable, the dazzle is effectively controlled, and the experience effect of a user is improved. According to the anti-dazzle diffusion plate, the fused raw materials are extruded through the anti-dazzle plate die and the diffusion plate die, so that the anti-dazzle plate and the diffusion plate are formed at one time, the manual assembly cost can be reduced, and the processing and assembly efficiency is improved. The anti-glare diffusion plate can be produced by adopting the existing production equipment and production method, is convenient to implement and has no difficulty in process.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An anti-glare diffusion plate is characterized by comprising the following raw materials in parts by weight:
anti-glare component: 90-110 parts of PS;
a diffusion component: 90-100 parts of PS, 0.1-1 part of zinc stearate, 0.1-1 part of white mineral oil and 1-5 parts of organosilicon diffusant;
the dosage ratio of the anti-dazzle component to the diffusion component is (5-10): 2.
2. the anti-glare diffuser plate according to claim 1, comprising the following raw materials in parts by weight:
anti-glare component: 100 parts of PS;
a diffusion component: 95 parts of PS, 0.5 part of zinc stearate, 0.5 part of white mineral oil and 4 parts of organosilicon dispersing agent.
3. The diffuser plate of claim 2, wherein the ratio of the anti-glare component to the diffusing component is 4: 1.
4. a method of processing an anti-glare diffuser plate according to any one of claims 1 to 3, comprising the steps of:
1) weighing the anti-glare component and the diffusion component with the formula ratio, respectively adding the anti-glare component into a hopper A of a multi-screw extruder, adding the diffusion component into a hopper B of the multi-screw extruder, and stirring to be in a uniform state;
2) setting the temperature of a screw section A for processing the anti-dazzle material to be 180-270 ℃, and pushing the anti-dazzle material to a distributor through the shearing force of the screw;
3) setting the temperature of a screw section B for processing the diffusion material to be 180-270 ℃, and pushing the diffusion material to a distributor through the screw shearing force;
4) the distribution ratio of the screw section A and the screw section B in the distributor is set to be (5-10): 2, extruding the mixture to a die frame through a die head A and a die head B respectively;
5) keeping the temperature of the die frame within the range of 205-260 ℃, starting an anti-dazzle plate and a diffusion plate die to extrude the plates, and then performing thermal compounding through an oblique roller;
6) and cooling the pressed plate to obtain the anti-dazzle diffusion plate.
5. The method as claimed in claim 4, wherein the method comprises the steps of:
1) weighing the anti-glare component and the diffusion component with the formula ratio, respectively adding the anti-glare component into a hopper A of a multi-screw extruder, adding the diffusion component into a hopper B of the multi-screw extruder, and stirring to be in a uniform state;
2) setting the temperature of a screw section A for processing the anti-dazzle material to be 230 ℃, and pushing the anti-dazzle material to a distributor through the shearing force of a screw;
3) setting the temperature of a screw section B for processing the diffusion material to be 230 ℃, and pushing the diffusion material to a distributor through screw shearing force;
4) setting the distribution ratio of a screw section A and a screw section B in the distributor to be 4:1, and simultaneously extruding the screw section A and the screw section B to a die carrier through a die head A and a die head B respectively;
5) keeping the temperature of the die frame at 220 ℃, starting an anti-dazzle plate die and a diffusion plate die to extrude the plates, and then simultaneously carrying out thermal compounding through a skew roller;
6) and cooling the pressed plate to obtain the anti-dazzle diffusion plate.
6. Use of the anti-glare diffuser plate according to any one of claims 1 to 3 or the anti-glare diffuser plate obtained by the processing method according to any one of claims 4 to 5 in a lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011175321.7A CN112269221A (en) | 2020-10-28 | 2020-10-28 | Anti-dazzle diffusion plate, processing method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011175321.7A CN112269221A (en) | 2020-10-28 | 2020-10-28 | Anti-dazzle diffusion plate, processing method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112269221A true CN112269221A (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011175321.7A Withdrawn CN112269221A (en) | 2020-10-28 | 2020-10-28 | Anti-dazzle diffusion plate, processing method and application thereof |
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| Country | Link |
|---|---|
| CN (1) | CN112269221A (en) |
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2020
- 2020-10-28 CN CN202011175321.7A patent/CN112269221A/en not_active Withdrawn
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Application publication date: 20210126 |
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