CN1288022A - High transparent and fire-retardant polycarbonate and polycarbonate/polystyrene alloy - Google Patents
High transparent and fire-retardant polycarbonate and polycarbonate/polystyrene alloy Download PDFInfo
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- CN1288022A CN1288022A CN 00124682 CN00124682A CN1288022A CN 1288022 A CN1288022 A CN 1288022A CN 00124682 CN00124682 CN 00124682 CN 00124682 A CN00124682 A CN 00124682A CN 1288022 A CN1288022 A CN 1288022A
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Abstract
The present invention relates to high transparency fire retarding polycarbonate and polycarbonate/polystyrene alloy and their preparation method. Said composition has high transparency like common polycarbonate resin and high fire retarding performance and easy processing and forming behaviour, which are not accompanied with common poly carbonate resin. The invented composition mainly contains polycarbonate resin, transparent polystyrene resin, fire retardant, light and heat stabilizer, coupling agent and othe auxiliaries in eartain proportion and is prepared by twin screw extruder. It can be used in electronic devices, medical apparatus, etc.
Description
The present invention relates to a kind of high transparent and fire-retardant PC and PC/PS Alloy And Preparation Method, can be applicable to those to transparency and fire-retardant requirement height, the Application Areas that environment for use is abominable is as electronic apparatus, medicine equipment, military project etc.
Common polycarbonate resin (PC) is a kind of good engineering plastics, not only have outstanding shock strength and creep resistant, higher thermotolerance and dimensional stability, and having good light transmittance, its refractive index is 1.584, can reach (Li Yongjin etc. more than 90% to the transmitance of visible light, plastics, 1,27,1998.).Because the premium properties of polycarbonate is so be widely used in the fields such as spare and accessory parts, shells of electronics and driving member, military project and medical treatment of mechanical industry.The flame retardant rating of polycarbonate resin itself can reach UL94 V-2 standard, but because the specific use occasion of polycarbonate all needs higher flame retardant resistance, generally all require to reach UL94 V-0 standard, require again simultaneously to take into account high transparent, this has just proposed very high requirement for the modification of polycarbonate.The processing temperature of polycarbonate (PC) resin is higher (concerning large-scale injection molding, its processing temperature is more than 270 ℃), abroad with the synthetic transparent flame-retardant polycarbonate with UL94 V-0 standard of halogenated bisphenol A, its processing temperature is higher, reaches more than 340 ℃ now.Under high like this processing temperature, though some fire retardant can not influence the polycarbonate transparent degree in various degree decomposition is arranged all, be unallowable for the exigent product of transparency.The present invention starts with from two aspects of heat decomposition temperature that reduce polymer processing temperature and raising fire retardant, and a kind of new heat-resisting highly transparent flame-retardant polycarbonate mixture that can overcome above shortcoming is provided.
Simultaneously,,, on the basis that does not influence the polycarbonate transparent degree, be prepared into polyblend with it, reach the purpose that reduces material cost so need seek a kind of relatively cheap material because the market value of polycarbonate is higher.It is consideration for two aspects that the present invention selects cheap PS resin to prepare alloy:
1, the transmittance of PS resin reaches more than 80%, and its refractive index is identical with the PC resin, and two kinds of material blend can not influence the transmittance of PC resin.
2, the PC-PS system belongs to the compatible system of part (Liang Wenzhong, PolymerDegradation and Stability.31,353,1991.), two-phase interface has mutual appearance middle layer, making has good bounding force between the two-phase, can make the PC/PS alloy remedy shortcoming mutually, reaches premium properties.
High transparent and fire-retardant PC/PS alloy provided by the invention has not only kept the transparency and the premium properties of PC resin, and has reduced material cost and increased the PC resin flow, has improved its processing characteristics.Therefore, the preparation highly transparent flame-retardant polycarbonate and the alloy thereof that can reach UL94 V-0 standard has important Practical significance.
The present invention adopts the polycarbonate (PC) of different model different molecular weight to verify the flame retardant effect of multiple fire retardant with the transparent polystyrene (PS) identical with the polycarbonate refractive index and to the physicals of material, the influence of transparency, finds a kind of polycarbonate (PC) and several other PC/PS alloys of satisfied different flame retardant grades of ideal high transparent and fire-retardant.Add compound light, thermo-stabilizer and coupling agent and also can improve the stability of polycarbonate in the course of processing and applied environment to a certain extent.
The preparation method of highly transparent flame-retardant polycarbonate of the present invention and PC/PS alloy is: resin, fire retardant, other component and toner (can add the transparent toner of preparing by the different colours requirement) are pressed certain step thorough mixing under high-speed stirring, send in the twin screw extruder by the pay-off of delicate metering, the high speed shear of screw rod and mixing down, material is able to sufficient fusing, compound, again through extruding, tie rod, cooling, pelletizing, be packaged into finished product at last.
Highly transparent flame-retardant polycarbonate of the present invention and PC/PS alloy adopt the polycarbonate resin (PC) of different model different viscosity, comprise that Japanese Supreme Being people changes into the high viscosity K-1300 of company, medium viscosity L-1250Y, the low viscosity IR-2200 of Japan bright dipping petroleum chemistry company, and the different melt exponential 201-8 of Dow Chemical, 201-10,201-15 etc.Different viscosity different melt exponential polycarbonate resin (PC) has different machine-shaping conditions, can select for use on request, and the resin of general low viscosity high-melt index more helps forming process.The transmittance of general polycarbonate resin (PC) should be able to reach high transparent requirement all more than 80%.For the PS resin in the high transparent and fire-retardant PC/PS alloy, the present invention require to select for use can tolerate than high processing temperature, transparency is high and do not have the resin of stain.
Fire retardant in highly transparent flame-retardant polycarbonate of the present invention and the PC/PS alloy is extremely important in the present invention, has both required this fire retardant can not influence the transparency of polycarbonate resin, but also wants withstand high temperatures and do not decompose.Simultaneously, owing to will keep the high transparent of material, can not add synergistic agent in being made into of fire retardant, it is efficient therefore requiring the fire retardancy of fire retardant.The present invention filters out several different classes of fire retardants: F-2400, F-2300, F-1025, the F-1808 etc. of Israel Dead Sea bromine company, phosphoric acid ester fire retardant BPP, TPP, the DBDPO of U.S. Albemarle Corporation etc.F-2400 wherein, F-2300, F-1025, F-1808 are less to the material property influence, but consumption increases and can influence the material transparency, wherein F-1808 yellow slightly.BPP and DBDPO do not have influence substantially to the transparency of material, but easily decompose variable color during the DBDPO high temperature process.It is main flame retardant that the present invention selects the phosphoric acid ester fire retardant for use, cooperates other auxiliary flame retardant to use and can reach satisfied effect.
The adding of the composite optothermal stabilizer in highly transparent flame-retardant polycarbonate of the present invention and the PC/PS alloy mainly is to prevent that polycarbonate resin from photo-thermal not taking place in high temperature process process and later environment for use as far as possible decompose, and improves its stability.The stablizer that the present invention uses mainly comprises the mixture of silicate, hindered phenol, hydroxybenzotriazole, laurate and/or these compounds of the single phenol of alkylation, alkylation polyphenol, Tyox B, phosphorous acid diphenyl ester, triphenyl phosphite, basic metal or alkaline-earth metal.
Coupling agent in highly transparent flame-retardant polycarbonate of the present invention and the PC/PS alloy mainly is in order to improve the consistency between resin and fire retardant, resin and the resin, be mainly silane coupling agent, also can use the mixture of silane coupling agent and/or titanate coupling agent, aluminate coupling agent.
Other processing aid in highly transparent flame-retardant polycarbonate of the present invention and the PC/PS alloy is fatty acid amide, fatty acid mixture, silicone oil, white mineral oil, silicone mixture etc.Can effectively improve the dispersiveness of each component, reduce interfacial adhesion, be beneficial to machine-shaping.
The present invention is verified by following embodiment.The concrete operation steps of embodiment is:
1. PC resin, PS resin, fire retardant, composite optothermal stabilizer, coupling agent and processing aid are mixed by certain order of addition(of ingredients) in high speed mixer.
2. top mixed material is sent in the twin screw extruder by the feeder of delicate metering, in the barrel of forcing machine, material is by screw rod high speed shear and mixing, through head extrude, tie rod, cooling, granulation and packing.
Mixture provided by the invention, each subregion temperature of the barrel in its preparation method should remain between 240 ℃～280 ℃.
Embodiment:
Claims (6)
1, a kind of highly transparent flame-retardant polycarbonate and carbonic ether/polystyrene alloy, its feature are formed (parts by weight) and are: polycarbonate resin 100, composite flame-retardant agent 5～20, optothermal stabilizer 0.2～2, coupling agent 0.2～1, processing aid 1～5.
2, highly transparent flame-retardant polycarbonate according to claim 1 and carbonic ether/polystyrene alloy, wherein said composite flame-retardant agent is the halogenated epoxy resin based flame retardant, the phosphoric acid ester fire retardant, halogenated aromatic based flame retardant and decabromodiphynly oxide and/or their mixture.
3, highly transparent flame-retardant polycarbonate according to claim 1 and carbonic ether/polystyrene alloy, wherein said optothermal stabilizer are the mixture of silicate, hindered phenol, hydroxybenzotriazole, laurate and/or these compounds of the single phenol of alkylation, alkylation polyphenol, Tyox B, phosphorous acid diphenyl ester, triphenyl phosphite, basic metal or alkaline-earth metal.
4, highly transparent flame-retardant polycarbonate according to claim 1 and carbonic ether/polystyrene alloy, wherein said coupling agent are the mixture of silane coupling agent, titanate coupling agent, aluminate coupling agent and/or these coupling agents.
5, highly transparent flame-retardant polycarbonate according to claim 1 and carbonic ether/polystyrene alloy, wherein said processing aid are the mixture of fatty acid amide, fatty acid mixture, silicone oil, white mineral oil, silicone mixture and/or these mixtures.
6, the method for preparing the described highly transparent flame-retardant polycarbonate of claim 1 and carbonic ether/polystyrene alloy, this method comprises: with polycarbonate resin, composite flame-retardant agent, optothermal stabilizer, coupling agent and processing aid thorough mixing under high-speed stirring, send in the twin screw extruder by the pay-off of delicate metering then, the high speed shear of screw rod, mixing and carry under, material by head extrude, cooling, pelletizing and packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00124682 CN1121451C (en) | 2000-09-28 | 2000-09-28 | High transparent and fire-retardant polycarbonate and polycarbonate/polystyrene alloy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00124682 CN1121451C (en) | 2000-09-28 | 2000-09-28 | High transparent and fire-retardant polycarbonate and polycarbonate/polystyrene alloy |
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| Publication Number | Publication Date |
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| CN1288022A true CN1288022A (en) | 2001-03-21 |
| CN1121451C CN1121451C (en) | 2003-09-17 |
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| CN 00124682 Expired - Lifetime CN1121451C (en) | 2000-09-28 | 2000-09-28 | High transparent and fire-retardant polycarbonate and polycarbonate/polystyrene alloy |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805503A (en) * | 2010-04-02 | 2010-08-18 | 金发科技股份有限公司 | Polycarbonate/polyethylene alloy conductive composite material and preparation method thereof |
| CN101107546B (en) * | 2005-01-25 | 2010-12-08 | 可隆株式会社 | Light-diffusion plate |
| CN102964793A (en) * | 2012-11-08 | 2013-03-13 | 天津允新科技发展有限公司 | High-hardness high-transparency high-flowability PC (polycarbonate) alloy and preparation method thereof |
| CN103525065A (en) * | 2013-10-26 | 2014-01-22 | 安徽省富光实业股份有限公司 | Polycarbonate compound material for manufacturing cup shell and preparation method of polycarbonate compound material |
| CN103554882A (en) * | 2013-10-26 | 2014-02-05 | 安徽省富光实业股份有限公司 | Modified polycarbonate material for water cup shells and preparation method thereof |
| CN103772836A (en) * | 2013-12-26 | 2014-05-07 | 苏州市涵信塑业有限公司 | Polystyrene and polycarbonate compound modified plastic |
| CN105647048A (en) * | 2016-03-07 | 2016-06-08 | 东莞市银禧光电材料科技股份有限公司 | High-transparency flame-retardant acrylonitrile-styrene composite material with high heat resistance and method for preparing high-transparency flame-retardant acrylonitrile-styrene composite material |
| CN106867219A (en) * | 2016-11-11 | 2017-06-20 | 青岛中新华美塑料有限公司 | A kind of high-temp resistant fire-retarding transparent material |
| CN107722484A (en) * | 2017-10-25 | 2018-02-23 | 中山市华塑塑胶科技有限公司 | A kind of composition of photodiffusion material and preparation method thereof |
| CN108485099A (en) * | 2018-05-10 | 2018-09-04 | 中山市华洋塑胶颜料有限公司 | The novel translucent materials of PCP |
| CN109610754A (en) * | 2018-12-06 | 2019-04-12 | 嘉兴领科材料技术有限公司 | A kind of aviation interior trim flame-retarding high performance wallpaper and preparation method thereof |
-
2000
- 2000-09-28 CN CN 00124682 patent/CN1121451C/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101107546B (en) * | 2005-01-25 | 2010-12-08 | 可隆株式会社 | Light-diffusion plate |
| CN101805503A (en) * | 2010-04-02 | 2010-08-18 | 金发科技股份有限公司 | Polycarbonate/polyethylene alloy conductive composite material and preparation method thereof |
| CN102964793B (en) * | 2012-11-08 | 2017-07-28 | 佛山市顺德区大良塑料二厂有限公司 | A kind of high hardness high transparency height flowing PC alloys and preparation method thereof |
| CN102964793A (en) * | 2012-11-08 | 2013-03-13 | 天津允新科技发展有限公司 | High-hardness high-transparency high-flowability PC (polycarbonate) alloy and preparation method thereof |
| CN103525065A (en) * | 2013-10-26 | 2014-01-22 | 安徽省富光实业股份有限公司 | Polycarbonate compound material for manufacturing cup shell and preparation method of polycarbonate compound material |
| CN103554882A (en) * | 2013-10-26 | 2014-02-05 | 安徽省富光实业股份有限公司 | Modified polycarbonate material for water cup shells and preparation method thereof |
| CN103772836A (en) * | 2013-12-26 | 2014-05-07 | 苏州市涵信塑业有限公司 | Polystyrene and polycarbonate compound modified plastic |
| CN103772836B (en) * | 2013-12-26 | 2016-03-02 | 苏州市相城区明达复合材料厂 | A kind of polystyrene and the composite modified plastics of polycarbonate |
| CN105647048A (en) * | 2016-03-07 | 2016-06-08 | 东莞市银禧光电材料科技股份有限公司 | High-transparency flame-retardant acrylonitrile-styrene composite material with high heat resistance and method for preparing high-transparency flame-retardant acrylonitrile-styrene composite material |
| CN106867219A (en) * | 2016-11-11 | 2017-06-20 | 青岛中新华美塑料有限公司 | A kind of high-temp resistant fire-retarding transparent material |
| CN107722484A (en) * | 2017-10-25 | 2018-02-23 | 中山市华塑塑胶科技有限公司 | A kind of composition of photodiffusion material and preparation method thereof |
| CN108485099A (en) * | 2018-05-10 | 2018-09-04 | 中山市华洋塑胶颜料有限公司 | The novel translucent materials of PCP |
| CN109610754A (en) * | 2018-12-06 | 2019-04-12 | 嘉兴领科材料技术有限公司 | A kind of aviation interior trim flame-retarding high performance wallpaper and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN1121451C (en) | 2003-09-17 |
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Owner name: JINFA TECHNOLOGY CO., LTD. Free format text: FORMER NAME OR ADDRESS: GUANGZHOU JINFA SCIENCE + TECHNOLOGY CO. LTD. |
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Address after: Ke Feng Lu Science City high tech Industrial Development Zone of Guangzhou City, Guangdong Province, No. 33 Patentee after: Kingfa Technology Co., Ltd. Address before: Guangdong Province, Guangzhou City, Tianhe District Ke Mu Lang Gaotang Industrial Zone Patentee before: Guangzhou Jinfa Science & Technology Co., Ltd. |
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Denomination of invention: High transparent and fire-retardant polycarbonate and polycarbonate/polystyrene alloy Effective date of registration: 20100414 Granted publication date: 20030917 Pledgee: Industrial Commercial Bank of China Ltd Guangzhou third sub branch Pledgor: Blonde Technology Co., Ltd.|Shanghai Jinfa Technology Development Co., Ltd Registration number: 2010990000735 |
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Date of cancellation: 20120405 Granted publication date: 20030917 Pledgee: Industrial Commercial Bank of China Ltd Guangzhou third sub branch Pledgor: Blonde Technology Co., Ltd.|Shanghai Jinfa Technology Development Co., Ltd Registration number: 2010990000735 |
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