CN105754241B - Polystyrene reflecting material and preparation method thereof - Google Patents
Polystyrene reflecting material and preparation method thereof Download PDFInfo
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- CN105754241B CN105754241B CN201610199857.XA CN201610199857A CN105754241B CN 105754241 B CN105754241 B CN 105754241B CN 201610199857 A CN201610199857 A CN 201610199857A CN 105754241 B CN105754241 B CN 105754241B
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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
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
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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
- C08K2201/011—Nanostructured additives
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
Abstract
The invention provides a kind of polystyrene reflecting material, by mass percentage, is made up of following component：28% ~ 66% polystyrene, 30% ~ 70% micro- powdered filler, 0.5% ~ 2% dispersant, 0.3% ~ 2% phase soluble additive and 0.2% ~ 0.8% antioxidant.Accordingly, present invention also offers the preparation method of the reflecting material.Compared with prior art, technical solution of the present invention can straight forming use, reflectivity is up to more than 99%, it is not necessary to carry out stack layering shaping, 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 field, and in particular to a kind of PS（Polystyrene）Reflecting material, it can be suitable as
The reflecting material of the component parts such as liquid crystal display, ligthing paraphernalia or lighting advertisement board.
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 maximization 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 that it has more excellent light reflective.
In existing reflecting material, there is the liquid crystal used using aromatic polyester-based resin as the white polyester film of main material
Show device reflectance coating.But using aromatic polyester-based resin as reflecting material, due to the molecule of aromatic polyester-based resin
Contained aromatic rings absorbs ultraviolet in chain, therefore, will in the presence of the ultraviolet that sends of light source of liquid crystal display device etc.
It can cause film that deterioration occurs, turns yellow, so that the light reflective of reflectance coating reduces.
In order to further solve the above problems, it is unrestrained anti-that a kind of polymer is disclosed in Chinese patent CN201310006490.1
Formula of material and preparation method thereof is penetrated, the component and weight proportion of the diffuse-reflective material are：Polymer PC 85-97 parts, titanium
White powder 3-15 parts, antioxidant 0.1-0.5 parts, light stabilizer 0.5-2 parts, fluorescent whitening agent 0.01-0.05 parts, dispersant 0.5-5
Part；Described polymer is polypropylene PP, polyethylene terephtalate, acrylonitrile-butadiene-styrene copolymer
ABS, high impact polystyrene HIPS, polymetylmethacrylate or polycarbonate.The technical scheme is finally obtained
A kind of average reflectance is the reflecting material between 85% ~ 90%.But the reflection efficiency of the reflecting material is relatively low, so as to cause
Cause luminous flux relatively low when in use, average lumen per watt value is relatively low, and illumination effect is not ideal, therefore is also insufficient for answering
It is required that.
In other a Application No. CN201180034976.5 PCT Patent, a kind of reflecting material is disclosed, it has
Excellent reflecting properties, and heat resistance and folding resistance also excellent reflecting material.The reflecting material possesses resin bed（A）With
Resin bed（B）, the resin bed（A）Contain the olefine kind resin and/or heat beyond cyclenes hydrocarbon resins and cyclenes hydrocarbon resins
Thermoplastic elastic.The resin bed（B）Containing micro- powdered filler, and resin bed（A）With resin bed（B）Each layer gross thickness ratio
For（A）:（B）=1:2~1:15.The reflecting material being made up of resin bed A and resin bed B of the disclosure of the invention, reflectivity is up to 97%
More than, possess preferable reflecting effect.But A+B hierarchy form is still used in the technical scheme of the invention, although
Solve the problems such as deformation, deterioration that reflectance coating is brought after a long time use, still continued stack layer in processing
Complex process caused by shape structure, it is difficult to the problem of high-efficiency and continuous produces.
In order to solve this problem, for the present inventor by research, obtaining can the reflecting material that uses of straight forming
Material, reflectivity is up to more than 99%, it is not necessary to carries out stacking layering, simple production process.
The content of the invention
The invention provides a kind of polystyrene reflecting material, present invention also offers the preparation 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.
Polystyrene reflecting material, by mass percentage, it is made up of following component：28% ~ 66% polystyrene, 30% ~
70% micro- powdered filler, 0.5% ~ 2% dispersant, 0.3% ~ 2% phase soluble additive and 0.2% ~ 0.8% antioxidant.
Preferably, micro- powdered filler is the inorganic micro powder body that particle size range is 0.05 ~ 10 micron.
It is furthermore preferred that the particle size range of micro- powdered 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 phase soluble additive 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.
Accordingly, present invention also offers a kind of preparation method of polystyrene reflecting material：By proportioning by polystyrene,
Micro- powdered filler, dispersant, phase soluble additive and antioxidant are added in high speed mixing smelting machine and stirred, and are cast or are extruded
Shaping, obtains product.
In addition, the polystyrene of the reflecting material in the present invention can also be polypropylene, propylene-ethylene copolymers etc. poly- third
Olefine resin；The polyvinyl resins such as polyethylene, high density polyethylene (HDPE), low density polyethylene (LDPE)；The cyclenes such as ethylene-cyclic olefin copolymer
Hydrocarbon resins（Including above-mentioned cyclenes hydrocarbon resins）；EP rubbers（EPR）In a kind of resin, consider from combination property,
Most preferably polystyrene.
The device have the advantages that：The invention provides a kind of polystyrene reflecting material, compared with prior art,
Can straight forming use, reflectivity is up to more than 99%, it is not necessary to carry out stack layering shaping, simple production process, production efficiency
Height, it is suitable as the reflecting material of the component parts such as liquid crystal display, ligthing paraphernalia or lighting advertisement board.
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 examples is by percentage to the quality.
The commercially available purchase of component employed in the present invention, purity are that technical pure or analysis are pure.
Embodiment 1：
Polystyrene reflecting material, by proportioning by 28% polystyrene, 68% titanium dioxide（Average grain diameter is 0.1 micro-
Rice）, 2% dispersant（Such as paraffin）, 1.5% phase soluble additive（Such as polyethylene glycol 400）With 0.5% Hinered phenols antioxidant（Such as
Antioxidant 2,6 di tert butyl 4 methyl phenol）It is added in high speed mixing smelting machine and stirs, is cast or extrusion molding,
Product is obtained, performance detection is carried out to it.
Embodiment 2：
Polystyrene reflecting material, by proportioning by 45% polystyrene, 54% titanium dioxide（Average grain diameter is 0.5 micro-
Rice）, 0.5% dispersant（Such as macromolecule wax）, 0.3% phase soluble additive（Such as polyethylene glycol 200）Hinered phenols with 0.3% resist
Oxygen agent（Such as antioxidant 2,6 di tert butyl 4 methyl phenol）It is added in high speed mixing smelting machine and stirs, is cast or is squeezed
Go out shaping, obtain product, performance detection is carried out to it.
Embodiment 3：
Polystyrene reflecting material, by proportioning by 66% polystyrene, 30% calcium carbonate（Average grain diameter is 5 microns）、
2% dispersant（Such as stearic acid）, 1.2% phase soluble additive（Such as polyethylene glycol 400）With 0.8 % antioxidant（Such as antioxidant
1010）It is added in high speed mixing smelting machine and stirs, be cast or extrusion molding, obtains product, performance detection is carried out to it.
Embodiment 4：
Polystyrene reflecting material, by proportioning by 28% polystyrene, 70% titanium dioxide（Average grain diameter is 0.05 micro-
Rice）, 0.4% dispersant（Such as macromolecule wax）, 1% phase soluble additive（Such as polyethylene glycol 400）With 0.6% antioxidant（Such as antioxygen
Agent 168）It is added in high speed mixing smelting machine and stirs, be cast or extrusion molding, obtains product, performance inspection is carried out to it
Survey.
Embodiment 5：
Polystyrene reflecting material, by proportioning by 60.5% polystyrene, 35% titanium dioxide（Average grain diameter is 10 micro-
Rice）, 2% dispersant（Such as paraffin）, 2% phase soluble additive（Such as silane coupler）With 0.5% Hinered phenols antioxidant（As resisted
Oxygen agent 1076）It is added in high speed mixing smelting machine and stirs, be cast or extrusion molding, obtains product, performance is carried out to it
Detection.
Comparative example 1：
Polystyrene reflecting material, by proportioning by 18% polystyrene, 80% titanium dioxide（Average grain diameter is 0.1 micro-
Rice）, 1% dispersant（Such as paraffin）, 0.5% phase soluble additive（Such as fatty acid ester）With 0.5% Hinered phenols antioxidant（As resisted
Oxygen agent 2,6 di tert butyl 4 methyl phenol）It is added in high speed mixing smelting machine and stirs, be cast or extrusion molding, is obtained
To product, performance detection is carried out to it.
Comparative example 2：
Comparative example 2 is according to resin in CN201180034976.5（A）Performance is carried out separately as reflecting material, and to it
Detection.
Comparative example 3
Comparative example 3 is according to resin in CN201180034976.5（B）Performance is carried out separately as reflecting material, and to it
Detection.
Performance test standard：
Average reflectance：By integrating sphere be arranged on spectrophotometer in, wavelength 420nm ~ 700nm scope with 0.5nm
Measuring space using aluminum oxide blank is used as reflectivity when 100%.The average value of measured value obtained by calculating, the value is made
For average reflectance (%).
Percent thermal shrinkage：By sample（200mm）It is put into the heated-air circulation oven of 80 DEG C of temperature and is kept for 3 hours, is then surveyed
The amount of contraction of sample levels and vertical direction is determined, the former chi relative to the sample before being put into baking oven is represented with % values
The ratio of the amount of contraction 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, apply 9.8N load, the warpage untill cut-out is determined with 135 ° of condition of reciprocal warpage, angle of throw or so
Number.
Table 1 is embodiment 1-5 and comparative example 1-3 the performance test results.Embodiment 1-5 reflecting material 420nm ~
700nm light reflectivity is more than 99%, and thermal stability and folding strength excellent performance.Comparative example 1 is addition inorganic micro powder
Body content is 80% reflecting material, it can be seen that it has excellent reflectivity and thermal stability, but too high micro mist is filled out
Filling causes its folding strength to decline, and is unfavorable for machine-shaping.Comparative example 2 and comparative example 3 are patent respectively
Resin in CN201180034976.5（A）And resin（B）Performance during separately made reflecting material, 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 the production process of reality, lamination will increase considerably difficulty and the reduction of production technology
The production efficiency of product, enterprise's production cost improve.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical scheme, all fall within protection scope of the present invention.
Claims (7)
1. polystyrene reflecting material, it is characterised in that by mass percentage, be made up of following component：28% ~ 66% polyphenyl
Ethene, 30% ~ 70% micro- powdered filler, 0.5% ~ 2% dispersant, 0.3% ~ 2% phase soluble additive and 0.2% ~ 0.8% antioxygen
Agent.
2. polystyrene reflecting material according to claim 1, it is characterised in that：Micro- powdered filler is particle diameter model
Enclose the inorganic micro powder body for 0.05 ~ 10 micron.
3. polystyrene reflecting material according to claim 2, it is characterised in that：The inorganic micro powder body is titanium dioxide
One kind in titanium, calcium carbonate or zinc oxide.
4. polystyrene reflecting material according to claim 1, it is characterised in that：The dispersant is paraffin, macromolecule
One kind in wax or stearic acid.
5. polystyrene reflecting material according to claim 1, it is characterised in that：The phase soluble additive is silicon class chemical combination
One kind in thing, multicomponent alcoholics compound, aminated compounds, aliphatic acid or fatty acid ester.
6. polystyrene reflecting material according to claim 1, it is characterised in that：The antioxidant is Hinered phenols antioxygen
Agent or auxiliary antioxidant.
7. the preparation method of the polystyrene reflecting material according to claim any one of 1-6, it is characterised in that：By proportioning
Polystyrene, micro- powdered filler, dispersant, phase soluble additive and antioxidant are added in high speed mixing smelting machine and stirred, is entered
Row curtain coating or extrusion molding, obtain product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610199857.XA CN105754241B (en) | 2016-03-31 | 2016-03-31 | Polystyrene reflecting material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610199857.XA CN105754241B (en) | 2016-03-31 | 2016-03-31 | Polystyrene reflecting material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105754241A CN105754241A (en) | 2016-07-13 |
| CN105754241B true CN105754241B (en) | 2017-12-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003020373A (en) * | 2001-07-06 | 2003-01-24 | Idemitsu Petrochem Co Ltd | Styrene resin composition, and reflector of lighting fixture, made by using it |
| CN102164997A (en) * | 2008-09-29 | 2011-08-24 | 纳幕尔杜邦公司 | Polymer-based products having improved solar reflectivity and uv protection |
| CN103080785A (en) * | 2010-10-19 | 2013-05-01 | 三菱树脂株式会社 | Reflecting material |
| CN103102668A (en) * | 2013-01-08 | 2013-05-15 | 北京化工大学 | Formula and preparation method for polymer diffuse reflection material |
| CN103293576A (en) * | 2013-06-28 | 2013-09-11 | 惠州市粤泰翔科技有限公司 | Diffusion plate with functions of light collection, light diffusion and light reflection |
-
2016
- 2016-03-31 CN CN201610199857.XA patent/CN105754241B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003020373A (en) * | 2001-07-06 | 2003-01-24 | Idemitsu Petrochem Co Ltd | Styrene resin composition, and reflector of lighting fixture, made by using it |
| CN102164997A (en) * | 2008-09-29 | 2011-08-24 | 纳幕尔杜邦公司 | Polymer-based products having improved solar reflectivity and uv protection |
| CN103080785A (en) * | 2010-10-19 | 2013-05-01 | 三菱树脂株式会社 | Reflecting material |
| CN103102668A (en) * | 2013-01-08 | 2013-05-15 | 北京化工大学 | Formula and preparation method for polymer diffuse reflection material |
| CN103293576A (en) * | 2013-06-28 | 2013-09-11 | 惠州市粤泰翔科技有限公司 | Diffusion plate with functions of light collection, light diffusion and light reflection |
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| CN105754241A (en) | 2016-07-13 |
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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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