CN101195704B - PPE composition for LED display - Google Patents
PPE composition for LED display Download PDFInfo
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- CN101195704B CN101195704B CN2007101641099A CN200710164109A CN101195704B CN 101195704 B CN101195704 B CN 101195704B CN 2007101641099 A CN2007101641099 A CN 2007101641099A CN 200710164109 A CN200710164109 A CN 200710164109A CN 101195704 B CN101195704 B CN 101195704B
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Abstract
The invention provides a polyphenyl ether compound of LED display unit, which contains 25-60 accounts of polyphenyl ether, 23-35 accounts of polystyrene resin, 3-6 accounts of styrene-butadiene copolymer or relative maleic anhydride grafts, 5-10 accounts of phosphorus-containing organic fire retardant, 10-25 accounts of inorganic oxide, 0.1-0.3 accounts of lubricant and 0.2-0.4 accounts of anti-oxidant. The product is characterized in high light reflectance, high temperature deformation resistance, good ink adhesion, good light resistance, and halogen-free flame retardant, which can be used toproduce electric appliance elements as LED display unit.
Description
Technical field
The present invention relates to a kind of polyphenylene ether composition and uses thereof, belong to the high polymer alloy field.
Background technology
Polyphenylene oxide (PPO) has excellent mechanical property and electrical property, but its melt viscosity is big, mobile poor, make it to be difficult to machine-shaping, so generally use its various modification kinds, be used widely as polyphenylene oxide alloys such as PPO and PS, PP or PA, the performance of the blending and modifying kind of polyphenylene oxide and use value are considerably beyond itself performance and use value.
Though at present existing many different MPPO materials, but still can not satisfy the demand of different field, people are more and more higher to the performance requriements of product, the requirement The comprehensive performance is good, require material to have high light reflective, good high temperature deformation resistance, ink adhesion height, dimensional stability to reach characteristics such as flame retardant resistance is good well such as light-emitting diode display, but existing used material is all inapplicable, needs further to improve the performance of material, to satisfy the requirement of product.
Summary of the invention
The object of the present invention is to provide a kind of polyphenylene ether composition that is used for light-emitting diode display, characteristics such as said composition has the high light reflectivity rate, the high temperature resistance deformation nature is good, ink adhesion good, the good and halogen-free flameproof of resistance photosensitiveness, product meets the ROHS standard-required, is used for the production of electronic apparatus component such as light-emitting diode display.
In order to realize the object of the invention, a kind of polyphenylene ether composition that is used for light-emitting diode display of the present invention, comprise 25～60 parts of polyphenylene oxide, 23～35 parts of polystyrene resins, 3～6 parts of styrene-butadiene copolymer or its maleic anhydride (MAH) graftss, 5～10 parts of phosphorous organic fire-retardants, 10～25 parts of inorganic oxides, 0.1～0.3 part of lubricant, 0.2～0.4 part in oxidation inhibitor.
Preferably: 40～60 parts of polyphenylene oxide, 25～35 parts of polystyrene resins, 4～6 parts of styrene-butadiene copolymer or its maleic anhydride (MAH) graftss, 6～10 parts of phosphorous organic fire-retardants, 15～25 parts of inorganic oxides, 0.1～0.3 part of lubricant, 0.2～0.4 part in oxidation inhibitor.
Be more preferably: 50～60 parts of polyphenylene oxide, 30～35 parts of polystyrene resins, 4～6 parts of styrene-butadiene copolymer or its maleic anhydride (MAH) graftss, 8～10 parts of phosphorous organic fire-retardants, 15～20 parts of inorganic oxides, 0.1～0.3 part of lubricant, 0.2～0.4 part in oxidation inhibitor.
Described part is weight part, can be the used weight unit in this area such as kilogram, gram, ton, jin.
Because pure PPO resin is difficult to processing, the present invention adopts alloyage process to carry out modification, produces alloy material as adding PS.
Wherein said PPO base resin viscosity is 0.35-0.55dl/g.All there is production in companies such as Japan Asahi Chemical Industry, Mitsubishi and AM General.
Described polystyrene resin is HIPS, and melting index is 3g/10min～10g/10min, is preferably 3g/10min～5g/10min.
Styrene-butadiene copolymer or its maleic anhydride (MAH) grafts, i.e. SBS/SEBS, SBS-MAH or SEBS-MAH, the MAH percentage of grafting is more than 3%.
Simultaneously can satisfy environmental requirement for obtaining the optimum resistance combustion effect, fire retardant systems of the present invention selects for use a kind of phosphorus-containing matter to be the main flame-retardant system of forming; Described phosphorous organic fire-retardant can be the phosphoric acid ester of aromatic base or alkylation aromatic base, the halogenated phosphoric acid ester that contains phenyl ring, phosphine oxide etc.; Such as three (2, the 4-dibromo phenyl) phosphoric acid ester, three hydroxypropyl phosphorus oxide, phenyl two (carboxyphenyl) phosphorus oxide, ring octyl group hydroxypropyl phosphorus oxide, Resorcinol two (diphenyl phosphoester), trimethylphenylmethane base diphenyl phosphoester etc.
For the ease of processing modified finishing smoothly, just be convenient to extruding of twin screw, in composition, added lubricant, can adopt industry lubricant commonly used, selected fatty acid and derivative thereof, stearate soap class, paraffin or hydrocarbon resin etc. are more preferably the stearates of stearate soap class such as calcium, zinc etc. for well.
In order to improve the light of product, thermal stability and processing stability, add some oxidation inhibitor at composition, oxidation inhibitor can be selected organic Hinered phenols, amine, phosphorous acid esters, oxidation inhibitor such as thioesters class, can be one or more mixing, Hinered phenols can be four [β-(3,5-di-t-butyl-4-hydroxyl-phenyl) propionic acid] pentaerythritol ester (abbreviation antioxidant 1010), β-(4-hydroxyl-3, the 5-di-tert-butyl-phenyl) the positive octadecanol ester of propionic acid (abbreviation antioxidant 1076), N, N '-, 6-dihexyl two (3,5-two (1,1 dimethyl ethyl)-4-hydroxybenzene propionyl (being called for short oxidation inhibitor 1098), 3,5-two (1,1 dimethyl ethyl)-4-hydroxy phenylpropionic acid 2-(3,5-two (1,1 dimethyl ethyl)-the 4-hydroxy phenyl)-the 1-oxopropyl) hydrazides (being called for short oxidation inhibitor MD1024), 1,3,5-trimethylammonium-2,4,6-three (3, the 5-di-tert-butyl-4-hydroxyl benzyl) benzene (abbreviation antioxidant 330), 4,4 '-thiobis (the 6-tertiary butyl-3-methylphenol) (abbreviation antioxidant 300) etc., amine should be on-contaminated Ursol D system, as N-phenylaniline and 2,2, the reaction product of 4-2,4,4-Trimethyl-1-pentene; Phosphorous acid esters can be triphenyl phosphite (TPP), three-(nonyl phenyl) phosphorous acid ester (TNPP), three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester (being called for short oxidation inhibitor 168), tetramethylolmethane diphosphite two (18) alcohol ester (being called for short oxidation inhibitor 619), tetramethylolmethane diphosphite two (2,4-di-tert-butyl phenyl) ester (be called for short oxidation inhibitor 626) etc., the thioesters class can be Tyox B DLTP or thio-2 acid two (18) ester DSTP etc.
Described inorganic oxide is TiO
2, can be a kind of in rutile-type or the anatase titanium dioxide.
The polyphenylene ether composition that is used for light-emitting diode display of the present invention is polyphenylene oxide-polystyrene alloy, each composition is given full play to synergy in the composition, the consistency of polyphenylene oxide and polystyrene is fine, the adding of PS has improved the processing fluidity of PPO, in its co-mixing system, PPO-PS forms external phase, and T styrene-butadiene copolymer or its maleic anhydride (MAH) grafts are the particle disperse phase, and PPO provides high rigidity, high heat distortion temperature (HDT); PS has improved the flowability of composition; Styrene-butadiene copolymer or its maleic anhydride (MAH) grafts have played toughness reinforcing effect, add fire retardant and improved flame retardant effect again in composition, like this.Characteristics such as said composition has the high light reflectivity rate, the high temperature resistance deformation nature is good, ink adhesion good, the good and halogen-free flameproof of resistance photosensitiveness, product meets the ROHS standard-required, is used for the production of electronic apparatus component such as light-emitting diode display.
The polyphenylene ether composition that is used for light-emitting diode display of the present invention can select twin screw extruder to process, the working method of using always for those skilled in the art ,-as the processing temperature scope can be controlled in (fluxing zone) between 260～300 ℃.
The polyphenylene ether composition that is used for light-emitting diode display of the present invention can be used for the production of electronic apparatus component such as light-emitting diode display.
After testing, the performance that is used for the polyphenylene ether composition of light-emitting diode display of the present invention can reach: tensile yield strength is 50～60MPa, and flexural strength is 90～95MPa, and modulus in flexure is 3600～4000MPa, during 23 ℃ of Izod notched Izod impact strength, be 8.0～10.0KJ/m
2, flame retardant resistance V0 is 0.8～3.0mm, 5 grades of 120C baking distortion, and 5 grades of light reflectives, luminous reflectance factor be more than 95%, 5 grades of ink adhesions.
Embodiment
Following embodiment further describes the present invention, but described embodiment only is used to illustrate the present invention rather than restriction the present invention, and the test data of present embodiment all adopts iso standard.
Embodiment 1
The composition component of present embodiment is: 40 kilograms of polyphenylene oxide, 25 kilograms of polystyrene resins, SBS/SEBS3 kilogram, 5 kilograms of fire retardant three (2, the 4-dibromo phenyl) phosphoric acid ester, rutile TiO
210 kilograms,
0.1 kilogram of lubricant stearic acid calcium, 0.2 kilogram of antioxidant 1010.
Wherein the viscosity of polyphenylene oxide resin is 0.5d1/g, and company of Japanese Asahi Chemical Industry produces; The MFR of polystyrene resin (HIPS) is 3g/10min, is produced by BASF AG; Fire retardant three (2, the 4-dibromo phenyl) phosphoric acid ester is produced by U.S. Great Lake company, and oxidation inhibitor is Switzerland vapour Bagong department, and lubricant is produced for ICI company.
Above-mentioned each component is mixed, carry out extruding pelletization with twin screw extruder then, processing temperature is: 280 ℃ (fluxing zone).
Embodiment 2
The composition component of present embodiment is: 60 kilograms of polyphenylene oxide resins, 30 kilograms of polystyrene resins, 4 kilograms of SBS-MAH (percentage of grafting 5%), 1,3,5-trimethylammonium-2,4,6-three (3, the 5-di-tert-butyl-4-hydroxyl benzyl) benzene (abbreviation antioxidant 330) is 0.3 kilogram, 0.1 kilogram in lubricant lipid acid, 6 kilograms of halogenated phosphate fire retardants, anatase titanium dioxide TiO
215 kilograms.
Wherein the viscosity of polyphenylene oxide resin is 0.35PaS, and AM General company produces; The MFR of polystyrene resin is 5g/10min, is produced by Beijing Yan Hua company; Halogenated phosphate is three (2, the 4-dibromo phenyl) phosphoric acid ester, is produced by U.S. FM ℃ of company, and oxidation inhibitor is the special company of U.S.'s cyanogen.
Above-mentioned each component is mixed, carry out extruding pelletization with twin screw extruder then, processing temperature is: 260 ℃ (fluxing zone).
Embodiment 3
The composition component of present embodiment is: 50 kilograms of polyphenylene oxide resins, 35 kilograms of polystyrene resins, 6 kilograms of SEBS-MAH (percentage of grafting 3%), three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester (being called for short oxidation inhibitor 168) is 0.2 kilogram, 0.3 kilogram on lubricant stearic acid zinc, rutile TiO
225 kilograms, 10 kilograms of phosphorus oxide fire retardants.
Wherein the viscosity of polyphenylene oxide resin is 0.6PaS, and MIT produces; The MFR of polystyrene resin is 8g/10min; The phosphorus oxide fire retardant is phenyl two (carboxyphenyl) phosphorus oxide.
Above-mentioned each component is mixed, carry out extruding pelletization with twin screw extruder then, processing temperature is: 280 ℃ (fluxing zone).
Embodiment 4
With embodiment 1, different is that each component is: 25 kilograms of polyphenylene oxide resins, 23 kilograms of polystyrene resins, 5 kilograms of SBS-MAH (percentage of grafting 4%), 0.2 kilogram of three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester (being called for short oxidation inhibitor 168), 0.3 kilogram on lubricant stearic acid zinc, rutile TiO
220 kilograms, 8 kilograms of phosphorus oxide fire retardants.
Carry out Performance Detection for each composition of embodiment 1-4, result such as following table:
Characteristics such as the described polyphenylene ether composition of above embodiment has the high light reflectivity rate, the high temperature resistance deformation nature is good, ink adhesion good, the good and halogen-free flameproof of resistance photosensitiveness, product meets the ROHS standard-required, is used for the production of electronic apparatus component such as light-emitting diode display.
Although the present invention has been done detailed explanation and quoted some specific exampless as proof, for a person skilled in the art, only otherwise leave the spirit and scope of the present invention, it is obvious doing various variations or correction.
Claims (6)
1. a polyphenylene ether composition that is used for light-emitting diode display is characterized in that, by 25～60 parts of polyphenylene oxide, and HIPS23～35 part, 3～6 parts of the maleic anhydride grafts of styrene-butadiene copolymer, 5～10 parts of phosphorous organic fire-retardants, rutile TiO
210～25 parts, 0.1～0.3 part of lubricant and 0.2～0.4 part of composition of oxidation inhibitor; Described polyphenylene oxide viscosity is 0.35～0.55dl/g; Described HIPS melting index is 3g/10min～10g/10min; The percentage of grafting of the maleic anhydride of styrene-butadiene copolymer is more than 3%.
2. the polyphenylene ether composition that is used for light-emitting diode display according to claim 1 is characterized in that, by 40～60 parts of polyphenylene oxide, 25～35 parts of HIPS, 4～6 parts of the maleic anhydride grafts of styrene-butadiene copolymer, 6～10 parts of phosphorous organic fire-retardants, inorganic oxide rutile TiO
215～25 parts, 0.1～0.3 part of lubricant and 0.2～0.4 part of composition of oxidation inhibitor.
3. the polyphenylene ether composition that is used for light-emitting diode display according to claim 2 is characterized in that, by 50～60 parts of polyphenylene oxide, HIPS30～35 part, 4～6 parts of the maleic anhydride grafts of styrene-butadiene copolymer, 8～10 parts of phosphorous organic fire-retardants, rutile TiO
215～20 parts, 0.1～0.3 part of lubricant and 0.2～0.4 part of composition of oxidation inhibitor.
4. according to each described polyphenylene ether composition that is used for light-emitting diode display in the claim 1～3, it is characterized in that described lubricant selected fatty acid, stearate soap class, paraffin or hydrocarbon resin.
5. according to each described polyphenylene ether composition that is used for light-emitting diode display in the claim 1～3, it is characterized in that, described oxidation inhibitor is one or more mixing in organic Hinered phenols, amine, phosphorous acid esters, the thioether kind antioxidant, and Hinered phenols is antioxidant 1010,1076,1098, MD1024,330 or 300; Amine is N-phenylaniline and 2,2, the reaction product of 4-2,4,4-Trimethyl-1-pentene; Phosphorous acid esters are TPP, TNPP, oxidation inhibitor 168,619 or 626; The thioether class is Tyox B or thio-2 acid two (18) ester.
6. according to each described polyphenylene ether composition that is used for light-emitting diode display in the claim 1～3, it is characterized in that the phosphoric acid ester that described phosphorous organic fire-retardant is aromatic base or alkylation aromatic base, halogenated phosphoric acid ester, the phosphine oxide that contains phenyl ring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101641099A CN101195704B (en) | 2007-09-30 | 2007-09-30 | PPE composition for LED display |
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|---|---|---|---|
| CN2007101641099A CN101195704B (en) | 2007-09-30 | 2007-09-30 | PPE composition for LED display |
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| CN101195704A CN101195704A (en) | 2008-06-11 |
| CN101195704B true CN101195704B (en) | 2010-06-09 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2253669B1 (en) | 2009-05-20 | 2016-02-24 | Teknologian tutkimuskeskus VTT Oy | PPO composition as bonding base for electronic components, and method |
| CN102399433B (en) * | 2010-09-16 | 2014-01-08 | 广东瑞能新材料有限公司 | Polyphenylene oxide composition used for photovoltaic junction box |
| CN103021281A (en) * | 2011-09-23 | 2013-04-03 | 欧姆龙(上海)有限公司 | Light-emitting diode (LED) display |
| CN103102673A (en) * | 2011-11-09 | 2013-05-15 | 上海杰事杰新材料(集团)股份有限公司 | Halogen-free flame retardant polyphenyl ether/polystyrene alloy material and preparation method thereof |
| CN103172997A (en) * | 2011-12-22 | 2013-06-26 | 上海杰事杰新材料(集团)股份有限公司 | Low-density polyphenylether/polystyrene (PPO/PS) blend alloy material and preparation method thereof |
| CN103849131B (en) * | 2012-11-29 | 2017-11-03 | 合肥杰事杰新材料股份有限公司 | A kind of ultra-toughness is modified MPPO materials and preparation method thereof |
| CN103242614B (en) * | 2013-05-31 | 2016-01-13 | 广东国立科技股份有限公司 | Halogen-free flame-retarding HIPS plastic modified material and preparation method thereof |
| CN103254611A (en) * | 2013-06-07 | 2013-08-21 | 深圳市兴盛迪新材料有限公司 | Super-strong super-tough halogen-free flame-retardant polyphenyl ether composition and preparation method thereof |
| CN104004340A (en) * | 2013-12-05 | 2014-08-27 | 惠州市昌亿新材料有限公司 | Aging-resistant high-performance and high-light-shielding-degree PPO (Polyphenylene Oxide) polymer, and preparing method and application of aging-resistant high-performance and high-light-shielding-degree PPO polymer |
| CN105199364B (en) * | 2015-10-28 | 2017-10-24 | 沈阳化工大学 | A kind of fire-retardant ageing-resistant PPO HIPS high polymer alloys and preparation method thereof |
| CN110144109A (en) * | 2019-05-31 | 2019-08-20 | 上海奇彩塑胶原料有限公司 | A kind of weather-proof high CTI halogen-free flameproof PPO/HIPS composite material and preparation method |
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| CN1252182C (en) * | 2003-12-05 | 2006-04-19 | 吴全德 | High efficiency polyphenylether composition and its application |
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Address after: 528322 Guangdong Province, Foshan city Shunde District Leliu Street office Du Village even Fuan Industrial District No. 2-2 six Patentee after: Guangdong Ruineng New Material Co., Ltd. Address before: 528322 Guangdong Province, Foshan city Shunde District Leliu Town Fuan Industrial Zone No. 28 Patentee before: Foshan Shunde District Ruineng Technology Co., Ltd. |