CN103992550A - Production method of PE (Polyethylene) diffusion plates of backlight source of display screen and LED panel light - Google Patents
Production method of PE (Polyethylene) diffusion plates of backlight source of display screen and LED panel light Download PDFInfo
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- CN103992550A CN103992550A CN201410220285.XA CN201410220285A CN103992550A CN 103992550 A CN103992550 A CN 103992550A CN 201410220285 A CN201410220285 A CN 201410220285A CN 103992550 A CN103992550 A CN 103992550A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
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- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a production method of PE diffusion plates of a backlight source of a display screen and an LED panel light. The production method comprises a raw material preparation step, an optical master batch preparation step, an extrusion molding step, a stress elimination step and a cutting step. Through the process, the production method disclosed by the invention can be used for internally changing the optical performance of the diffusion plates so that chemical polymers which are inside the diffusion plates and different in refractive index can be dispersed uniformly, rather than changing the optical performance from the surface. The production method disclosed by the invention is simple in process, easy to implement and low in production cost, and the produced diffusion plates have extremely good optical performance.
Description
Technical field
The present invention relates to the technical field of producing of diffuser plate, especially relate to the PE diffuser plate production method of straight-down negative display backlight source and LED flat lamp.
Background technology
In prior art, the diffuser plate being used in display backlight source is a translucent methacrylate sheet, light source is generally used LED striation, the diffuser plate that is used in straight-down negative display backlight source and LED flat lamp need to have good optical property, comprise the dispersing property to light, reflect performance and wear transmission performance, prior art be diffuser plate one surface or two surface working go out sags and crests or concave point striped, it is for improving the dispersing property of diffuser plate to light, can homogenizing after light that LED striation point source of light is launched is launched by diffuser plate, this technology improves the dispersing property of diffuser plate to light by changing the configuration of surface of diffuser plate, although it has certain dissemination, but, it can form on the surface of diffuser plate a kind of optical effect of atomization, refraction performance and the light transmission of diffuser plate have significantly been reduced, this is necessary to be improved.
Summary of the invention
The deficiency existing for prior art, the object of this invention is to provide a kind of straight-down negative display backlight source that is used in of improvement of production process and the diffuser plate of LED flat lamp, its technique is simple, easy to implement, production cost is low, and the diffuser plate of producing has fabulous optical property.
To achieve these goals, the technical solution adopted in the present invention is:
The PE diffuser plate production method of display backlight source and LED flat lamp, comprises the following steps:
Prepare this material step, select PE plastic grain as this material;
Make optics master batch step, the component of optics master batch comprises by weight: 40~90 parts of these material and 10~60 parts of light transmission plastics from 100 parts of these material, choosing out, and light transmission plastics comprise that at least one light refractive index is different from the light transmission plastics of the light refractive index of this material; After the component uniform stirring of optics master batch is mixed, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
One or more mixture add following component in the process of dual-screw pelletizer manufacture optics master batch in, the optics master batch of making has several different specific refraction,
Extrusion moulding step, chooses 100 parts of these material by weight, chooses 1~10 part and makes the produced optics master batch of optics master batch step, after being uniformly mixed, puts in extrusion shaping machine, by extrusion shaping machine, molds diffuser plate sheet material;
Finished product.
Further in technical scheme, described making optics master batch step, the light transmission plastics of making optics master batch comprise one or more mixture of organosilicon microballoon, PMMA microballoon, MS microballoon, PP microballoon, PS microballoon, PS plastic grain, PMMA plastic grain, PP plastic grain and MS plastic grain.
Further in technical scheme, make optics master batch step, dual-screw pelletizer by granulation process divide between intake zone, between melting interval, mixing interval, discharge zone, each interval temperature of dual-screw pelletizer is 170 degree to 270 degree, pressure is 1Mpa to 4.5Mpa, the master batch of making has different specific refractions, allows the chemical polymerization thing of its different refractivity be uniformly dispersed, and makes LED pointolite have many specific refractory poweres to launch uniform area source by this diffuser plate;
Extrusion moulding step, extrusion shaping machine by moulding process divide between intake zone, between melting interval, mixing interval, discharge zone, each interval temperature of extrusion shaping machine is 170 degree to 270 degree, pressure is 1Mpa to 4.5Mpa;
The step that eliminates stress, equipment heating installation after extrusion equipment, heats diffuser plate sheet material, eliminates the stress of diffuser plate sheet material;
Cutting step, cuts into diffuser plate sheet material the diffuser plate of economical size;
Finished product.
In optimal technical scheme, prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
A kind of in 40 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PS microballoon or PP microballoons;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
In another optimal technical scheme, prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
80 parts of these material choosing out from 100 parts of these material,
A kind of in 20 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PS microballoon or PP microballoons;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
In another optimal technical scheme, prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
40~90 parts of these material choosing out from 100 parts of these material,
A kind of in 10~60 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PS microballoon, PP microballoon, PS plastic grain, PMMA plastic grain, PP plastic grain or MS plastic grains;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
One or more mixture add following component in the process of dual-screw pelletizer manufacture optics master batch in, the optics master batch of making has several different specific refraction,
In another optimal technical scheme, prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
40~60 parts of these material choosing out from 100 parts of these material,
A kind of in 40~60 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PP microballoon, PS microballoon, PS plastic grain, PMMA plastic grain, PP plastic grain or MS plastic grains;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts.
In another optimal technical scheme, prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
61~90 parts of these material choosing out from 100 parts of these material,
A kind of in 10~39 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PP microballoon, PS microballoon, PS plastic grain, PMMA plastic grain, PP plastic grain or MS plastic grains;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts.
In another optimal technical scheme, prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch comprises that following two or more component mixes by weight,
40~90 parts of these material choosing out from 100 parts of these material,
The mixture of two or more in organosilicon microballoon, PMMA microballoon, MS microballoon, PP microballoon, PS microballoon, PS plastic grain, PMMA plastic grain, PP plastic grain and MS plastic grain, gross weight ratio is 10~60 parts,
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts.
In another optimal technical scheme, prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following three kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
A kind of in 20 parts of PP plastic grains, PS plastic grain or MS plastic grains,
A kind of in 20 parts of organosilicon microballoons, PMMA microballoon, MS microballoon or PP microballoons,
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
Adopt after said structure, the advantage that compared to the prior art the present invention had is: the present invention improves being used in the production technique of the diffuser plate of straight-down negative display backlight source and LED flat lamp, optical property by this technique from the inner change of diffuser plate diffuser plate, the chemical polymerization thing that allows its inside have different refractivity is uniformly dispersed, but not change from surface, technique of the present invention is simple, easy to implement, production cost is low, and the diffuser plate of producing has fabulous optical property.
Embodiment
The following stated is only preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
Embodiment mono-
The PE diffuser plate production method of display backlight source and LED flat lamp, comprises the following steps:
Prepare this material step, select PE plastic grain as this material;
Make optics master batch step, the component of optics master batch comprises by weight:
40~90 parts of these material and 10~60 parts of light transmission plastics from 100 parts of these material, choosing out, light transmission plastics comprise that at least one light refractive index is different from the light transmission plastics of the light refractive index of this material, wherein, the light transmission plastics of making optics master batch comprise one or more mixture of organosilicon microballoon, PMMA microballoon, MS microballoon, PP microballoon, PS microballoon, PMMA plastic grain, PP plastic grain, PS plastic grain and MS plastic grain;
After the component uniform stirring of optics master batch is mixed, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
Dual-screw pelletizer by granulation process divide between intake zone, between melting interval, mixing interval, discharge zone, each interval temperature of dual-screw pelletizer is 170 degree to 270 degree, pressure is 1Mpa to 4.5Mpa, the master batch of making has different specific refractions, allow the chemical polymerization thing of its different refractivity be uniformly dispersed, and make LED pointolite have many specific refractory poweres to launch uniform area source by this diffuser plate;
One or more mixture add following component in the process of dual-screw pelletizer manufacture optics master batch in, the optics master batch of making has several different specific refraction,
The gross weight of said components, this material and the light transmission plastics that wherein, add in the process of dual-screw pelletizer manufacture optics master batch is 100 parts; Or the gross weight of this material and light transmission plastics is 100 parts, the component of the above-mentioned weight ratio adding in addition in the process of dual-screw pelletizer manufacture optics master batch.
Extrusion moulding step, chooses 100 parts of these material by weight, chooses 1~10 part and makes the produced optics master batch of optics master batch step, after being uniformly mixed, puts in extrusion shaping machine, by extrusion shaping machine, molds diffuser plate sheet material; Extrusion shaping machine by moulding process divide between intake zone, between melting interval, mixing interval, discharge zone, each interval temperature of extrusion shaping machine is 170 degree to 270 degree, pressure is 1Mpa to 4.5Mpa; In extrusion moulding step, do not need to add lubrication dispersing agent, toughner, ultraviolet light absorption agent and fluorescent bleaches, the adjustment of this processing step, can further improve the transmittance of diffuser plate again.
The step that eliminates stress, equipment heating installation after extrusion equipment, heats diffuser plate sheet material, eliminates the stress of diffuser plate sheet material;
Cutting step, cuts into diffuser plate sheet material the diffuser plate of economical size;
Finished product.
Embodiment bis-
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
40 parts of organosilicon microballoons;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
Embodiment tri-
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
40 parts of PMMA microballoons;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
Embodiment tetra-
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
40 parts of MS microballoons;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
Embodiment five
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
A kind of in 40 parts of PP microballoons;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
Embodiment six
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
80 parts of these material choosing out from 100 parts of these material,
20 parts of organosilicon microballoons;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
Embodiment seven
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
80 parts of these material choosing out from 100 parts of these material,
20 parts of PMMA microballoons;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
Embodiment eight
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
40 parts of PMMA plastic grains;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent and 0.001~0.05 part of toughner.
Embodiment nine
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
40 parts of PP plastic grains;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent and 0.001~0.05 part of toughner.
Embodiment ten
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
80 parts of these material choosing out from 100 parts of these material,
A kind of in 20 parts of machine MS microballoons, PS microballoon or PP microballoons;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
Embodiment 11
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
40~90 parts of these material choosing out from 100 parts of these material,
A kind of in 10~60 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PP microballoon, PS microballoon, PMMA plastic grain, PP plastic grain, PS plastic grain or MS plastic grains;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
One or more mixture add following component in the process of dual-screw pelletizer manufacture optics master batch in, the optics master batch of making has several different specific refraction,
Embodiment 12
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
40~60 parts of these material choosing out from 100 parts of these material,
A kind of in 40~60 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PP microballoon, PS microballoon, PMMA plastic grain, PP plastic grain, PS plastic grain or MS plastic grains;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts.
Embodiment 13
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
61~90 parts of these material choosing out from 100 parts of these material,
A kind of in 10~39 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PP microballoon, PS microballoon, PMMA plastic grain, PP plastic grain, PS plastic grain or MS plastic grains;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts.
Embodiment 14
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch comprises that following two or more component mixes by weight,
40~90 parts of these material choosing out from 100 parts of these material,
Any two or more mixture in organosilicon microballoon, PMMA microballoon, MS microballoon, PP microballoon and PS microballoon, gross weight ratio is 10~60 parts,
After uniform stirring mixes, drop into dual-screw pelletizer and cause the optics master batch of 100 parts,
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
Embodiment 15
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch comprises that following two or more component mixes by weight,
40~90 parts of these material choosing out from 100 parts of these material,
Any two or more mixture in PMMA plastic grain, PP plastic grain, PS plastic grain and MS plastic grain, gross weight ratio is 10~60 parts,
After uniform stirring mixes, drop into dual-screw pelletizer and cause the optics master batch of 100 parts,
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of toughner, 0.0001~0.005 part of fluorescent bleaches and 0.001~0.05 part of lubrication dispersing agent.
Embodiment 16
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following three kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
20 parts of PP plastic grains,
20 parts of organosilicon microballoons,
After uniform stirring mixes, drop into dual-screw pelletizer and cause the optics master batch of 100 parts,
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
Embodiment 17
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following three kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
20 parts of PP plastic grains,
20 parts have PMMA microballoon,
After uniform stirring mixes, drop into dual-screw pelletizer and cause the optics master batch of 100 parts,
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
Embodiment 18
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following three kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
20 parts of PS plastic grains,
20 parts of MS microballoons or PP microballoon,
After uniform stirring mixes, drop into dual-screw pelletizer and cause the optics master batch of 100 parts,
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
Embodiment 19
The key step of the present embodiment, technique are identical with embodiment mono-, repeat no more here, and its difference is selection and the corresponding proportion of component:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following three kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
20 parts of MS plastic grains,
A kind of in 20 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PS microballoon or PP microballoons,
After uniform stirring mixes, drop into dual-screw pelletizer and cause the optics master batch of 100 parts,
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
Above content is only preferred embodiment of the present invention, for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, and this description should not be construed as limitation of the present invention.
Claims (10)
1. the PE diffuser plate production method of display backlight source and LED flat lamp, is characterized in that: comprise the following steps:
Prepare this material step, select PE plastic grain as this material;
Make optics master batch step, the component of optics master batch comprises by weight: 40~90 parts of these material and 10~60 parts of light transmission plastics from 100 parts of these material, choosing out, and light transmission plastics comprise that at least one light refractive index is different from the light transmission plastics of the light refractive index of this material; After the component uniform stirring of optics master batch is mixed, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
One or more mixture add following component in the process of dual-screw pelletizer manufacture optics master batch in, the optics master batch of making has several different specific refraction,
Extrusion moulding step, chooses 100 parts of these material by weight, chooses 1~10 part and makes the produced optics master batch of optics master batch step, after being uniformly mixed, puts in extrusion shaping machine, by extrusion shaping machine, molds diffuser plate sheet material;
Finished product.
2. the PE diffuser plate production method of display backlight according to claim 1 source and LED flat lamp, it is characterized in that: described making optics master batch step, the light transmission plastics of making optics master batch comprise one or more mixture of organosilicon microballoon, PMMA microballoon, MS microballoon, PP microballoon, PS microballoon, PS plastic grain, PMMA plastic grain, PP plastic grain and MS plastic grain.
3. the PE diffuser plate production method of display backlight according to claim 2 source and LED flat lamp, it is characterized in that: make optics master batch step, dual-screw pelletizer by granulation process divide between intake zone, between melting interval, mixing interval, discharge zone, each interval temperature of dual-screw pelletizer is 170 degree to 270 degree, pressure is 1Mpa to 4.5Mpa, the master batch of making has different specific refractions, allow the chemical polymerization thing of its different refractivity be uniformly dispersed, and make LED pointolite have many specific refractory poweres to launch uniform area source by this diffuser plate;
Extrusion moulding step, extrusion shaping machine by moulding process divide between intake zone, between melting interval, mixing interval, discharge zone, each interval temperature of extrusion shaping machine is 170 degree to 270 degree, pressure is 1Mpa to 4.5Mpa;
The step that eliminates stress, equipment heating installation after extrusion equipment, heats diffuser plate sheet material, eliminates the stress of diffuser plate sheet material;
Cutting step, cuts into diffuser plate sheet material the diffuser plate of economical size;
Finished product.
4. the PE diffuser plate production method of display backlight according to claim 1 source and LED flat lamp, is characterized in that:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
A kind of in 40 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PS microballoon or PP microballoons;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
5. the PE diffuser plate production method of display backlight according to claim 1 source and LED flat lamp, is characterized in that:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
80 parts of these material choosing out from 100 parts of these material,
A kind of in 20 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PS microballoon or PP microballoons;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
6. the PE diffuser plate production method of display backlight according to claim 1 source and LED flat lamp, is characterized in that:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
40~90 parts of these material choosing out from 100 parts of these material,
A kind of in 10~60 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PS microballoon, PP microballoon, PS plastic grain, PMMA plastic grain, PP plastic grain or MS plastic grains;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
One or more mixture add following component in the process of dual-screw pelletizer manufacture optics master batch in, the optics master batch of making has several different specific refraction,
7. the PE diffuser plate production method of display backlight according to claim 1 source and LED flat lamp, is characterized in that:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
40~60 parts of these material choosing out from 100 parts of these material,
A kind of in 40~60 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PP microballoon, PS microballoon, PS plastic grain, PMMA plastic grain, PP plastic grain or MS plastic grains;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts.
8. the PE diffuser plate production method of display backlight according to claim 1 source and LED flat lamp, is characterized in that:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following two kinds of weight ratios,
61~90 parts of these material choosing out from 100 parts of these material,
A kind of in 10~39 parts of organosilicon microballoons, PMMA microballoon, MS microballoon, PP microballoon, PS microballoon, PS plastic grain, PMMA plastic grain, PP plastic grain or MS plastic grains;
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts.
9. the PE diffuser plate production method of display backlight according to claim 1 source and LED flat lamp, is characterized in that:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch comprises that following two or more component mixes by weight,
40~90 parts of these material choosing out from 100 parts of these material,
The mixture of two or more in organosilicon microballoon, PMMA microballoon, MS microballoon, PP microballoon, PS microballoon, PS plastic grain, PMMA plastic grain, PP plastic grain and MS plastic grain, gross weight ratio is 10~60 parts,
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts.
10. the PE diffuser plate production method of display backlight according to claim 1 source and LED flat lamp, is characterized in that:
Prepare this material step, select by weight 100 parts of PE plastic grains as this material;
Make optics master batch step, optics master batch is comprised of the component mixing of following three kinds of weight ratios,
60 parts of these material choosing out from 100 parts of these material,
A kind of in 20 parts of PP plastic grains, PS plastic grain or MS plastic grains,
A kind of in 20 parts of organosilicon microballoons, PMMA microballoon, MS microballoon or PP microballoons,
After uniform stirring mixes, drop into dual-screw pelletizer and manufacture optics master batch, make gross weight than the optics master batch that is 100 parts;
In the process of dual-screw pelletizer manufacture optics master batch, at least add 0.001~0.05 part of lubrication dispersing agent.
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