CN105860483B - A kind of PC, PBT reflecting material and preparation method thereof - Google Patents
A kind of PC, PBT reflecting material and preparation method thereof Download PDFInfo
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- CN105860483B CN105860483B CN201610325214.5A CN201610325214A CN105860483B CN 105860483 B CN105860483 B CN 105860483B CN 201610325214 A CN201610325214 A CN 201610325214A CN 105860483 B CN105860483 B CN 105860483B
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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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- Polymers & Plastics (AREA)
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- Optical Elements Other Than Lenses (AREA)
Abstract
The present invention provides a kind of PC, PBT reflecting materials, by mass percentage, including following component：38%~76% Carrier polyester resin, 20%~60% inorganic micro powder body filler, 0.5%~2% dispersant, 0.3%~2% compatibilizing aid and 0.2%~0.8% antioxidant.Correspondingly, the preparation method the present invention also provides the reflecting material.Compared with prior art, technical solution of the present invention can straight forming use, reflectivity need not carry out stacking layering shaping up to more than 99.0%, simple production process, production efficiency are high, are suitable as the reflecting material of the component parts such as liquid crystal display, ligthing paraphernalia or lighting advertisement board.
Description
Technical field
The present invention relates to optical material fields, and in particular to a kind of PC, PBT reflecting material can be suitable as liquid crystal
Show the reflecting material of the component parts such as device, ligthing paraphernalia or lighting advertisement board, PC (makrolon) reflecting material is in liquid crystal display
It is most widely used in device backlight module.
Background technology
Reflecting material headed by liquid crystal display, the various fields such as ligthing paraphernalia or lighting advertisement board are used.Recently,
In field of liquid crystal, the enlargement of device and the High Level of display performance are developed, at least require to liquid crystal supply compared with
More light improves the performance of backlight unit, for reflecting material, also requires it with superior light reflective.
In existing reflecting material, have and do reflectance coating using PET foam process, although of low cost, reflectivity is very low.
Broad technique is only applied by surface to reach high reflectance, so cost increases significantly adds, also more than reflecting material, and
The relatively PC materials of PET materials poor performance in intensity, impact resistance.
In order to obtain a kind of preferable reflectivity, intensity and the excellent reflecting material of impact resistance, Chinese patent
A kind of formula of polymer diffuse-reflective material and preparation method thereof, the diffuse-reflective material are disclosed in CN201310006490.1
Component and weight proportion be：85-97 parts of polymer PC, 3-15 parts of titanium dioxide, 0.1-0.5 parts of antioxidant, light stabilizer 0.5-2
Part, 0.01-0.05 parts of fluorescent whitening agent, 0.5-5 parts of dispersant；The polymer is polypropylene PP, poly terephthalic acid second
Diol ester PET, acrylonitrile-butadiene-styrene copolymer ABS, high impact polystyrene HIPS, polymethyl methacrylate
PMMA or polycarbonate.It is the reflecting material between 85%~90% that the technical solution, which is finally obtained a kind of average reflectance,
Material.But the reflection efficiency of the reflecting material is relatively low, and so as to cause to cause luminous flux relatively low when in use, average lumen per watt
It is worth relatively low, illumination effect is undesirable, therefore is also insufficient for the requirement of application.
In addition in the PCT Patent of a Application No. CN201180034976.5, a kind of PC is disclosed, PBT reflecting materials,
It is with excellent reflecting properties, and heat resistance and folding resistance also excellent reflecting material.The reflecting material possesses resin
Layer (A) and resin bed (B), the resin bed (A) contain the olefine kind resin beyond cyclenes hydrocarbon resins and cyclenes hydrocarbon resins
And/or thermoplastic elastomer (TPE).The resin bed (B) contains inorganic micro powder body filler, and resin bed (A) and resin bed (B)
Each layer overall thickness ratio is (A):(B)=1:2~1:15.The reflecting material being made of resin bed A and resin bed B of the disclosure of the invention
Material, reflectivity possess preferable reflecting effect up to more than 97%.But still using A+B's in the technical solution of the invention
Hierarchy form, although solving the problems such as deformation, deterioration that reflectance coating is brought after prolonged use, in processing
Still complex process caused by stacking layer structure has been continued, it is difficult to the problem of high-efficiency and continuous produces.
In order to solve the problems, such as this, for the present inventor by research, obtaining can the reflecting material that uses of straight forming
Material, reflectivity need not carry out stacking layering, simple production process up to more than 99.0%.
The content of the invention
The present invention provides a kind of PC, PBT reflecting materials, and the present invention also provides the preparation sides of the reflecting material accordingly
Method.
In order to realize the technical purpose of the present invention, the present invention adopts the following technical scheme that.
A kind of PC, PBT reflecting material, by mass percentage, including following component：38%~76% Carrier polyester tree
Fat, 20%~60% inorganic micro powder body filler, 0.5%~2% dispersant, 0.3%~2% compatibilizing aid and
0.2%~0.8% antioxidant.
Preferably, the Carrier polyester resin is in PC (makrolon) or PBT (polybutylene terephthalate (PBT))
It is at least one.
Preferably, the particle size range that the inorganic micro powder body filler is is 0.05~10 micron of inorganic micro powder body.
It is furthermore preferred that the particle size range of inorganic micro powder body filler is 0.1~2 micron of inorganic micro powder body.
Preferably, the inorganic micro powder body is one kind in titanium dioxide, calcium carbonate or zinc oxide, most preferably, for gold
Red stone-type titanium dioxide powder.
Preferably, the dispersant is one kind in paraffin, macromolecule wax or stearic acid.
Preferably, the compatibilizing aid is silicon class compound, multicomponent alcoholics compound, aminated compounds, aliphatic acid or fat
One kind in fat acid esters.
The antioxidant is Hinered phenols antioxidant or auxiliary antioxidant.
Correspondingly, the present invention also provides a kind of PC, the preparation methods of PBT reflecting materials：By proportioning by Carrier polyester tree
Fat, inorganic micro powder body filler, dispersant, compatibilizing aid and antioxidant are added in high speed mixing smelting machine and stir evenly, and are flowed
Prolong or extrusion molding, obtain product.
The device have the advantages that：The present invention provides a kind of PC, PBT reflecting materials, matching somebody with somebody in the prior art
Fang Jinhang is improved, and compared with prior art, need not carry out stacking layering shaping, can straight forming use, and reflectivity can
Up to more than 99.0%.In addition, the present invention also has the advantages that simple production process, production efficiency are high, liquid crystal display is suitable as
The reflecting material of the component parts such as device, ligthing paraphernalia or lighting advertisement board.
Specific embodiment
In order to be better understood from the present invention, invention is described in detail with reference to specific embodiment, such as nothing is especially said
Bright, the component in following embodiment is by percentage to the quality.
The commercially available purchase of component employed in the present invention, purity are pure for technical pure or analysis.
Embodiment 1：
A kind of PC, PBT reflecting material, it is by proportioning that 38% makrolon, 58% rutile titanium dioxide is (average
Grain size is 0.1 micron), 2% dispersant (such as paraffin), 1.5% compatibilizing aid (such as polyethylene glycol 400) and 0.5% by
Resistance phenolic antioxidant (such as antioxidant 2,6- di-tert-butyl-4-methy phenols), which is added in high speed mixing smelting machine, to stir evenly, and carries out
Curtain coating or extrusion molding, obtain product, performance detection are carried out to it.
Embodiment 2：
A kind of PC, PBT reflecting material, it is by proportioning that 45% makrolon, 54% rutile titanium dioxide is (average
Grain size is 0.5 micron), 0.5% dispersant (such as macromolecule wax), 0.3% compatibilizing aid (such as polyethylene glycol 200) and
0.3% Hinered phenols antioxidant (such as antioxidant 2,6 di tert butyl 4 methyl phenol) is added in high speed mixing smelting machine and stirs
Uniformly, it is cast or extrusion molding, obtains product, performance detection is carried out to it.
Embodiment 3：
A kind of PC, PBT reflecting material are (flat by 76% polybutylene terephthalate (PBT), 20% calcium carbonate by proportioning
Equal grain size is 5 microns), 2% dispersant (such as stearic acid), 1.2% compatibilizing aid (such as polyethylene glycol 400) and 0.8%
Antioxidant (such as antioxidant 1010), which is added in high speed mixing smelting machine, to stir evenly, and is cast or extrusion molding, obtains product, right
It carries out performance detection.
Embodiment 4：
A kind of PC, PBT reflecting material, it is by proportioning that 38% makrolon, 60% rutile titanium dioxide is (average
Grain size is 0.05 micron), 0.4% dispersant (such as macromolecule wax), 1% compatibilizing aid (such as polyethylene glycol 400) and 0.6%
Antioxidant (such as irgasfos 168) be added in high speed mixing smelting machine and stir evenly, be cast or extrusion molding, obtain product,
Performance detection is carried out to it.
Embodiment 5：
A kind of PC, PBT reflecting material, by proportioning by 60.5% makrolon and polybutylene terephthalate (PBT),
35% zinc oxide (average grain diameter be 10 microns), 2% dispersant (such as paraffin), 2% compatibilizing aid are (such as silane coupled
Agent) and 0.5% Hinered phenols antioxidant (such as antioxidant 1076) be added in high speed mixing smelting machine and stir evenly, be cast or
Extrusion molding obtains product, and performance detection is carried out to it.
Comparative example 1：
A kind of PC, PBT reflecting material, it is by proportioning that 18% makrolon, 80% rutile titanium dioxide is (average
Grain size be 0.1 micron), 1% dispersant (such as paraffin), 0.5% compatibilizing aid (such as aliphatic ester) and 0.5% hindered phenol
Kind antioxidant (such as antioxidant 2,6- di-tert-butyl-4-methy phenols), which is added in high speed mixing smelting machine, to stir evenly, and is cast
Or extrusion molding, product is obtained, performance detection is carried out to it.
Comparative example 2：
Comparative example 2 is to carry out performance separately as reflecting material, and to it according to resin in CN201180034976.5 (A)
Detection.
Comparative example 3
Comparative example 3 is to carry out performance separately as reflecting material, and to it according to resin in CN201180034976.5 (B)
Detection.
Performance test standard：
Average reflectance：By integrating sphere be mounted on spectrophotometer in, wavelength 420nm~700nm scope with 0.5nm
Reflectivity when measuring space is using aluminium oxide blank as 100%.The average value of obtained measured value is calculated, which is made
For average reflectance (%).
Percent thermal shrinkage：By sample (200mm) be put into the heated-air circulation oven of 80 DEG C of temperature keep 3 it is small when, then survey
The shrinkage of sample levels and vertical direction is determined, the former ruler compared with the sample before being put into baking oven is represented with % values
The ratio of the shrinkage of very little (200mm), as percent thermal shrinkage (%).
Folding strength：Fatigue tester is rubbed using resistance to, the sample made in embodiment and comparative example is cut into long 10cm, width
10mm applies the load of 9.8N, and the warpage until cut-out is determined with 135 ° of condition of reciprocal warpage, angle of throw or so
Number.
Table 1 is the performance test results of embodiment 1-5 and comparative example 1-3.The reflecting material of embodiment 1-5 is in 420nm
The light reflectivity of~700nm is more than 99%, and thermal stability and folding strength are had excellent performance.Comparative example 1 is that addition is inorganic
Powder body content is 80% reflecting material, it can be seen that it is but excessively high with excellent reflectivity and thermal stability
Micro mist filling causes its folding strength to decline, and is unfavorable for machine-shaping.Comparative example 2 and comparative example 3 are patent respectively
Resin (A) and performance during resin (B) separately made reflecting material in CN201180034976.5, it can be seen that as
As described in CN201180034976.5, when only Resin A and resin B form alternate layer structure, the reflecting material
With optimal performance.But in actual production process, lamination will increase considerably difficulty and the reduction of production technology
The production efficiency of product, enterprise's production cost improve.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution is all fallen in protection scope of the present invention.
Claims (5)
1. a kind of PC or/and PBT reflecting materials, which is characterized in that by mass percentage, including following component：38%~
76% Carrier polyester resin, 20%~60% inorganic micro powder body filler, 0.5%~2% dispersant, 0.3%~2%
Compatibilizing aid and 0.2%~0.8% antioxidant, the Carrier polyester resin is at least one of PC or PBT, the nothing
The particle size range of machine powder body is 0.05~10 μm, and the inorganic micro powder body is one in titanium dioxide, calcium carbonate or zinc oxide
Kind.
2. a kind of PC or/and PBT reflecting materials according to claim 1, it is characterised in that：The dispersant for paraffin,
One kind in macromolecule wax or stearic acid.
3. a kind of PC or/and PBT reflecting materials according to claim 1, it is characterised in that：The compatibilizing aid is silicon class
One kind in compound, multicomponent alcoholics compound, aliphatic acid or aliphatic ester.
4. a kind of PC or/and PBT reflecting materials according to claim 1, it is characterised in that：The antioxidant is hindered phenol
Kind antioxidant or auxiliary antioxidant.
5. according to a kind of preparation method of PC or/and PBT reflecting materials of claim 1-4 any one of them, it is characterised in that：
Carrier polyester resin, inorganic micro powder body filler, dispersant, compatibilizing aid and antioxidant are added to high speed mixing smelting machine by proportioning
In stir evenly, be cast or extrusion molding, obtain product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610325214.5A CN105860483B (en) | 2016-05-16 | 2016-05-16 | A kind of PC, PBT reflecting material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610325214.5A CN105860483B (en) | 2016-05-16 | 2016-05-16 | A kind of PC, PBT reflecting material and preparation method thereof |
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| CN105860483A CN105860483A (en) | 2016-08-17 |
| CN105860483B true CN105860483B (en) | 2018-05-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6480068B1 (en) * | 2018-01-26 | 2019-03-06 | 住化ポリカーボネート株式会社 | Aromatic polycarbonate resin composition and optical molded article |
| CN111630108B (en) * | 2018-01-26 | 2022-12-27 | 住化Pc有限公司 | Aromatic polycarbonate resin composition and optical molded article |
| CN110669326A (en) * | 2019-10-17 | 2020-01-10 | 中山市华洋塑胶颜料有限公司 | Ultra-dispersed PC light diffusion master batch and preparation method and application thereof |
| CN111592749B (en) * | 2020-05-27 | 2022-09-13 | 广东三易科技有限公司 | Mirror reflection base material master batch and preparation method and equipment thereof |
| CN113757615A (en) | 2020-06-04 | 2021-12-07 | 法雷奥照明湖北技术中心有限公司 | Light emitting device and vehicle |
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| JPS5469067A (en) * | 1977-11-14 | 1979-06-02 | Teijin Ltd | Polyester resin composition |
| CN103102668A (en) * | 2013-01-08 | 2013-05-15 | 北京化工大学 | Formula and preparation method for polymer diffuse reflection material |
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Address after: 528400 plant 2, building D, No. 1, Fuyuan Road, Waisha village, Shenwan Town, Zhongshan City, Guangdong Province Patentee after: ZHONGSHAN HUAYANG PLASTIC PIGMENT Co.,Ltd. Address before: 528400 first floor, No. 20, Yanjiang Road, Shenwan Town, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN HUAYANG PLASTIC PIGMENT Co.,Ltd. |
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