CN110358238A - A kind of high tenacity high light transmission diffusion PMMA and preparation method thereof - Google Patents
A kind of high tenacity high light transmission diffusion PMMA and preparation method thereof Download PDFInfo
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- CN110358238A CN110358238A CN201910631948.XA CN201910631948A CN110358238A CN 110358238 A CN110358238 A CN 110358238A CN 201910631948 A CN201910631948 A CN 201910631948A CN 110358238 A CN110358238 A CN 110358238A
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- pmma
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- light transmission
- toughener
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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
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate
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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
- C08L2205/02—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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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/18—Spheres
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of high tenacity high light transmission diffusion PMMA and preparation method thereof, compared with prior art, high tenacity high light transmission prepared by the present invention spreads PMMA, joined toughener, on the basis of holding light diffusion PMMA material original high light transmittance, the toughness of material is improved.It joined organosilicon light diffusing agent, increase the scattering and transmission of light, while covering dazzling light source, and entire PMMA can be made to issue softer, beautiful, graceful light, reach the opaque comfortable effect of light transmission.Application range of the invention is further widened.Light produced by the present invention diffusion PMMA toughness of material is good, light transmittance and mist degree height, good weatherability, price are low, suitable for fields such as outdoor billboard, resin glass pane, display device light diffusing sheet and cold light source light diffusing sheets.
Description
Technical field
The present invention relates to polymeric material field, espespecially a kind of high tenacity high light transmission diffusion PMMA and preparation method thereof.
Background technique
Light diffusing sheet has certain transparency and stronger light scattering, is a kind of good backlight source material, it is dissipated
Firing angle is big, and light conductivity is good, and light transmission is uniform, has been widely used as area source applied to advertising signboard, Pointing sign board, display case, throwing
Screen wall wall, wall-mounted uniform source of light and microfilm reader etc..It can also with liquid crystal cell it is compound prepare it is high-molecular dispersed dissipate
Component is penetrated, and as LCD backlight source material.
PMMA is most excellent macromolecule transparent material at present, and PMMA is cheap, suitable for prepare high transparency,
The photodiffusion material of low price.But PMMA toughness is poor, the product of production is easy cracking.The LED lamp product being made into is easy
Cracking, product quality decline, therefore improving the toughness of material and obtaining higher light transmittance is that light diffusion PMMA exploitation needs to solve
Critical issue.
Summary of the invention
To solve the above problems, the present invention provides a kind of high tenacity high light transmission diffusion PMMA and preparation method thereof, joined
Toughener improves the toughness of material on the basis of holding light diffusion PMMA material original high light transmittance.It joined organosilicon
Light diffusing agent increases the scattering and transmission of light, and while covering dazzling light source, and it is softer that entire PMMA can be made to issue, beauty
It sees, graceful light reaches the opaque comfortable effect of light transmission.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of high tenacity high light transmission spreads PMMA, including with
Lower weight percent raw material: toughener: 15-20%；Dispersing agent: 0.1-0.5%；PMMA:65-85%；Coupling agent: 0.1-0.3%；Have
Machine silicon light diffusing agent: 0.3-0.8%.
Further, the toughener is at least one of high glue powder, MBS, ACR, EVA, SEBS, SBS, POE.
Further, at least one of dispersing agent PETS, TAF, silicone powder.
Further, the coupling agent is KH-570 or KH-550.
To achieve the above object two, a kind of preparation of high tenacity high light transmission diffusion PMMA material as described in claim 1
Method, comprising the following steps:
Step S1: toughener, dispersing agent, PMMA, coupling agent, organosilicon light diffusing agent are weighed by weight ratio；
Step S2: the PMMA that step S1 is weighed carries out drying and processing；
Step S3: at toughener, dispersing agent, coupling agent, organosilicon light diffusing agent and the process step S2 that step S1 is weighed
The PMMA of reason mix and uniform stirring；
Step S4: the material of step S3 after evenly mixing is put into double screw extruder and squeezed out, be granulated.
Further, in step s 2, the step S1 PMMA weighed is put into drying box and in 90 °C of dry 4 ~ 5h.
Further, the step S3 comprising the following specific steps
Step S31: being added the step S1 toughener weighed and the PMMA by step S2 processing in high mixer and stir evenly,
Mixing speed is 400 500r/min, and mixing time is 60 ~ 120min, and generates the first semi-finished product；
Step S32: dispersing agent remaining in step S1, PMMA, coupling agent, organosilicon light diffusing agent and the first semi-finished product are mixed
It closes, and is added in high mixer and is stirred evenly, mixing speed is 300 ~ 400r/ min, and mixing time is 50 ~ 60min.
Further, in the step S4, the temperature of extruder feeding section are as follows: 140 150 °C, the temperature of fluxing zone are as follows:
180 200 °C, the temperature of melt conveying zone are as follows: 230 240 °C, rate of feeding is 160 170 r/min, and screw speed is
350 400 r/min, vacuum degree are the 5MPa of 0. 2MPa ~ 0..
The beneficial effects of the present invention are: compared with prior art, high tenacity high light transmission prepared by the present invention spreads PMMA,
It joined toughener, on the basis of holding light diffusion PMMA material original high light transmittance, improve the toughness of material.It joined
Organosilicon light diffusing agent increases the scattering and transmission of light, and while covering dazzling light source, and it is more soft that entire PMMA can be made to issue
With beautiful, graceful light reaches the opaque comfortable effect of light transmission.Application range of the invention is further widened.The present invention
Light obtained diffusion PMMA toughness of material is good, light transmittance and mist degree height, good weatherability, price are low, suitable for outdoor billboard,
The fields such as resin glass pane, display device light diffusing sheet and cold light source light diffusing sheet.
Specific embodiment
Specific embodiment 1:
The present invention about to achieve the above object, the technical solution adopted by the present invention is that: a kind of high tenacity high light transmission spreads PMMA,
Including following weight percent raw material: toughener: 20%；Dispersing agent: 0.4%；PMMA:79%；Coupling agent: 0.3%；Organosilicon light expands
Powder: 0.3%.
Further, the toughener is POE.
Further, dispersing agent is silicone powder.
Further, the coupling agent is KH-550.
The present invention also provides the preparation methods of high tenacity high light transmission diffusion PMMA a kind of, comprising the following steps:
Step S1: toughener, dispersing agent, PMMA, coupling agent, organosilicon light diffusing agent are weighed by above-mentioned weight proportion；
Step S2: the PMMA weighed in step S1 is put into drying box and in 90 °C of dry 5h.
Step S3: step S31: the toughener weighed in step S1 and the PMMA by step S2 processing being added high mixed
It is stirred evenly in machine, mixing speed 500r/min, mixing time 120min, and generates the first semi-finished product；
Step S32: dispersing agent remaining in step S1, PMMA, coupling agent, organosilicon light diffusing agent and the first semi-finished product are mixed
It closes, and is added in high mixer and is stirred evenly, mixing speed is 400r/ min, mixing time 60min；；
Step S4: the material of step S32 after evenly mixing is put into double screw extruder and squeezed out, be granulated；Extruder feeding
The temperature of section are as follows: 150 °C, the temperature of fluxing zone are as follows: 200 °C, the temperature of melt conveying zone are as follows: 240 °C, rate of feeding 170
R/min, screw speed are 400 r/min, and vacuum degree is 0. 5MPa.
The prior art is compared, and high tenacity high light transmission prepared by the present invention spreads PMMA, joined toughener, and light is being kept to expand
On the basis of dissipating the original high light transmittance of PMMA material, the toughness of material is improved.Organosilicon light diffusing agent is added, organosilicon light expands
The problem of powder material light itself can penetrate, the even light of very good solution and light transmission, this kind of light diffusing agent is to pass through
Substrate is different with the refractive index of microballon, by multiple light refraction, reaches soft light effect, the light transmission loss of energy is less.This
The nano particle of kind organosilicon, is a kind of tiny transparent ball, addition PMMA, in casting glue, can be uniformly dispersed in resin
In, the light of injection can pass through these transparent balls, by refraction many times in transparent ball, then penetrate.It is strong in this way
Strong light is uniform to disperse through superrefraction.So that point light source is become area source, expand light-emitting surface, and light is made to become very soft
With.Light can penetrate " glass " light diffusing agent sphere simultaneously, so, the loss of light is few, even light is played, light transmission
Effect.Application range of the invention is further widened.Light produced by the present invention diffusion PMMA toughness of material is good, light transmittance and
Mist degree height, good weatherability, price are low, are suitable for outdoor billboard, resin glass pane, display device light diffusing sheet and cold light
The fields such as source light diffusing sheet.
Specific embodiment two:
The present invention about to achieve the above object, the technical solution adopted by the present invention is that: a kind of high tenacity high light transmission spreads PMMA,
Including following weight percent raw material: toughener: 15%；Dispersing agent: 0.2%；PMMA:84%；Coupling agent: 0.3%；Organosilicon light expands
Powder: 0.5%.
Further, the toughener is high glue powder.
Further, dispersing agent PETS.
Further, the coupling agent is KH-570.
The present invention also provides the preparation methods of high tenacity high light transmission diffusion PMMA a kind of, comprising the following steps:
Step S1: toughener, dispersing agent, PMMA, coupling agent, organosilicon light diffusing agent are weighed by above-mentioned weight proportion；
Step S2: the PMMA weighed in step S1 is put into drying box and in 90 °C of dry 4h.
Step S3: step S31: the toughener weighed in step S1 and the PMMA by step S2 processing being added high mixed
It is stirred evenly in machine, mixing speed 400r/min, mixing time 60min, and generates the first semi-finished product；
Step S32: dispersing agent remaining in step S1, PMMA, coupling agent, organosilicon light diffusing agent and the first semi-finished product are mixed
It closes, and is added in high mixer and is stirred evenly, mixing speed is 300r/ min, mixing time 50min；
Step S4: the material of step S32 after evenly mixing is put into double screw extruder and squeezed out, be granulated；Extruder feeding
The temperature of section are as follows: 140 °C, the temperature of fluxing zone are as follows: 180 °C, the temperature of melt conveying zone are as follows: 230 °C, rate of feeding 160
R/min, screw speed are 350 r/min, vacuum degree 0.2MPa.
Embodiment of above be only preferred embodiments of the present invention will be described, not to the scope of the present invention into
Row limits, and without departing from the spirit of the design of the present invention, this field ordinary engineering and technical personnel is to technical side of the invention
The various changes and improvements that case is made, should fall within the scope of protection determined by the claims of the present invention.
Claims (8)
1. a kind of high tenacity high light transmission spreads PMMA, it is characterised in that: including following weight percent raw material: toughener: 15-
20%；Dispersing agent: 0.1-0.5%；PMMA:65-85%；Coupling agent: 0.1-0.3%；Organosilicon light diffusing agent: 0.3-0.8%.
2. a kind of high tenacity high light transmission according to claim 1 spreads PMMA, it is characterised in that: the toughener is high glue
One of powder, MBS, ACR, EVA, SEBS, SBS, POE.
3. a kind of high tenacity high light transmission according to claim 1 spreads PMMA, it is characterised in that: dispersing agent PETS,
One of TAF, silicone powder.
4. a kind of high tenacity high light transmission according to claim 1 spreads PMMA, it is characterised in that: the coupling agent is
KH-570 or KH-550.
5. a kind of preparation method of high tenacity high light transmission diffusion PMMA material as described in claim 1, it is characterised in that: including
Following steps:
Step S1: toughener, dispersing agent, PMMA, coupling agent, organosilicon light diffusing agent are weighed by weight ratio；
Step S2: the PMMA that step S1 is weighed carries out drying and processing；
Step S3: at toughener, dispersing agent, coupling agent, organosilicon light diffusing agent and the process step S2 that step S1 is weighed
The PMMA of reason mix and uniform stirring；
Step S4: the material of step S3 after evenly mixing is put into double screw extruder and squeezed out, be granulated.
6. the preparation method of high tenacity high light transmission diffusion PMMA according to claim 5 a kind of, it is characterised in that: in step
In S2, the step S1 PMMA weighed is put into drying box and in 90 °C of dry 4 ~ 5h.
7. the preparation method of high tenacity high light transmission diffusion PMMA according to claim 5 a kind of, it is characterised in that: the step
Rapid S3 comprising the following specific steps
Step S31: being added the step S1 toughener weighed and the PMMA by step S2 processing in high mixer and stir evenly,
Mixing speed is 400 500r/min, and mixing time is 60 ~ 120min, and generates the first semi-finished product；
Step S32: dispersing agent remaining in step S1, PMMA, coupling agent, organosilicon light diffusing agent and the first semi-finished product are mixed
It closes, and is added in high mixer and is stirred evenly, mixing speed is 300 ~ 400r/ min, and mixing time is 50 ~ 60min.
8. the preparation method of high tenacity high light transmission diffusion PMMA according to claim 5 a kind of is squeezed in the step S4
The temperature of machine feeding section out are as follows: 140 150 °C, the temperature of fluxing zone are as follows: 180 200 °C, the temperature of melt conveying zone are as follows:
230 240 °C, rate of feeding is 160 170 r/min, and screw speed is 350 400 r/min, and vacuum degree is 0. 2MPa
~0. 5MPa。
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732823A (en) * | 2020-07-07 | 2020-10-02 | 佛山市德联邦盛光电科技股份有限公司 | SEBS toughened diffuser plate |
| CN112574523A (en) * | 2021-01-06 | 2021-03-30 | 佛山市湘聚新材料有限公司 | High-toughness acrylic material and preparation method thereof |
| CN112724566A (en) * | 2020-12-15 | 2021-04-30 | 金发科技股份有限公司 | PMMA material and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050257363A1 (en) * | 2004-05-21 | 2005-11-24 | Kaihsin Li | Optical diffusion plate applied for direct-type backlight module and manufacturing method thereof |
| CN104109385A (en) * | 2014-06-27 | 2014-10-22 | 惠州市昌亿新材料有限公司 | PMMA light diffusion agent and light diffusion PMMA material |
| CN104559003A (en) * | 2015-02-15 | 2015-04-29 | 李�杰 | High-toughness high-transparency photo-diffusion PMMA material and preparation method thereof |
| CN105223636A (en) * | 2015-10-29 | 2016-01-06 | 惠州市粤泰翔科技有限公司 | A kind of light diffusing sheet of high printing opacity diffusion |
| CN105670149A (en) * | 2016-02-23 | 2016-06-15 | 东莞轩朗实业有限公司 | Photodiffusion master batch and photodiffusion plate containing the same |
| CN107793684A (en) * | 2016-08-25 | 2018-03-13 | 江苏派诺光电科技股份有限公司 | A kind of LED cover material |
| CN108467552A (en) * | 2018-04-18 | 2018-08-31 | 惠州市创亿达新材料有限公司 | Light diffusion master batch and preparation method thereof |
-
2019
- 2019-07-12 CN CN201910631948.XA patent/CN110358238A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050257363A1 (en) * | 2004-05-21 | 2005-11-24 | Kaihsin Li | Optical diffusion plate applied for direct-type backlight module and manufacturing method thereof |
| CN104109385A (en) * | 2014-06-27 | 2014-10-22 | 惠州市昌亿新材料有限公司 | PMMA light diffusion agent and light diffusion PMMA material |
| CN104559003A (en) * | 2015-02-15 | 2015-04-29 | 李�杰 | High-toughness high-transparency photo-diffusion PMMA material and preparation method thereof |
| CN105223636A (en) * | 2015-10-29 | 2016-01-06 | 惠州市粤泰翔科技有限公司 | A kind of light diffusing sheet of high printing opacity diffusion |
| CN105670149A (en) * | 2016-02-23 | 2016-06-15 | 东莞轩朗实业有限公司 | Photodiffusion master batch and photodiffusion plate containing the same |
| CN107793684A (en) * | 2016-08-25 | 2018-03-13 | 江苏派诺光电科技股份有限公司 | A kind of LED cover material |
| CN108467552A (en) * | 2018-04-18 | 2018-08-31 | 惠州市创亿达新材料有限公司 | Light diffusion master batch and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732823A (en) * | 2020-07-07 | 2020-10-02 | 佛山市德联邦盛光电科技股份有限公司 | SEBS toughened diffuser plate |
| CN112724566A (en) * | 2020-12-15 | 2021-04-30 | 金发科技股份有限公司 | PMMA material and preparation method and application thereof |
| CN112724566B (en) * | 2020-12-15 | 2022-12-06 | 金发科技股份有限公司 | PMMA material and preparation method and application thereof |
| CN112574523A (en) * | 2021-01-06 | 2021-03-30 | 佛山市湘聚新材料有限公司 | High-toughness acrylic material and preparation method thereof |
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Application publication date: 20191022 |