CN101942186A - Halogen-free flame-retardant polycarbonate material and preparation method thereof - Google Patents
Halogen-free flame-retardant polycarbonate material and preparation method thereof Download PDFInfo
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- CN101942186A CN101942186A CN201010275539XA CN201010275539A CN101942186A CN 101942186 A CN101942186 A CN 101942186A CN 201010275539X A CN201010275539X A CN 201010275539XA CN 201010275539 A CN201010275539 A CN 201010275539A CN 101942186 A CN101942186 A CN 101942186A
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- flame
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- free
- red phosphorus
- retardant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
Abstract
The invention discloses a halogen-free flame-retardant polycarbonate (PC) material and a preparation method thereof. The polycarbonate, a microencapsulated red phosphorus flame retardant, a carrier resin, a flexibilizer, a synergetic flame retardant, a lubricating agent and a stabilizing agent are mixed, and extruded by a double-screw extruder so as to prepare the product, wherein the microencapsulated red phosphorus flame retardant can be replaced by master batch consisting of microencapsulated red phosphorus powder and PC or the carrier resin; and the master batch can be a red phosphorus flame retardant master batch RPM240 or RPM250 product which is produced in Free Blue Star (Chengdu) New Material Co., Ltd. and takes the PC as a carrier. The halogen-free flame-retardant PC material has the advantages of high flame retardance, higher heat resistance, and flame retardance of UL94V-0 (0.38mm), and can be applied to the production of electronic and electrical internal insulation films.
Description
Technical field
The present invention relates to technical field of polymer materials, relate in particular to a kind of halogen-free and flame-retardant polycarbonate (PC) material and preparation method.This halogen-free flame retardant PC material can be applied to electronic electric equipment built-in electrical insulation film article.
Background technology
Polycarbonate is called for short PC, for containing on the main chain
The general name of group polymkeric substance realizes industrialization in nineteen fifty-nine, and development thereafter rapidly.It is the thermoplastic engineering plastic of a class high comprehensive performance, in thermoplastics, have the high impulse strength and the good transparency, can in wide temperature range, keep very high physical strength, good electrical properties, higher dimensional stability, simultaneously easy to process, be widely used in fields such as mechanical means, construction work, communications and transportation, instrument and electric lighting, now become the second largest engineering plastics that output is only second to nylon.Contain phenyl ring on the PC main chain, can be condensed into the fragrant charcoal during burning, charring rate is higher, has self-extinguishing, flame retardant rating is UL94V-2, but flammable, and hot melts drips during burning, near causing material catches fire, so be difficult to satisfy of the requirement of some field, therefore PC carried out flame-retardant modified [Innes J, et al.Plastic Additive Compound to flame retardant properties, 2006,8 (1): 26].
What China more often adopted at present is halogenated flame retardants such as decabromodiphynly oxide, tetrabromo-bisphenol, brominated carbonic ether oligopolymer, the often shock strength of the big and grievous injury PC of consumption and electrical property etc., and have problem of environmental pollution, industrially developed country such as West Europe, North America and Japan or area have have successively enacted and enforced the instruction that bans use of halogenated flame retardant; Silicoorganic compound are fire retardant [LuSY of efficient, nontoxic, the low cigarette of a class, environment friendly, Hamerton I.Progress in Polymer Science, 2002,27 (8): 1661], but complex process costs an arm and a leg, and is difficult to popularize, and fire retardation is not enough when using separately, needs and the compound use of other fire retardant; With 3M company is that the sulfonic fluoropolymer salt fire retardant (such as 2025) of representative also is that a class that grew up in recent years is applicable to the efficient flame-retarding agent that PC is fire-retardant, but it has limited its application on film article because dispersiveness and flame retarding efficiency (being difficult to reach the V-0 of the following thickness of 0.8mm) are not enough; The decomposition temperature of organic phosphine flame retardant own is lower, and addition is generally 5%-15%, and is big to the mechanical property infringement of PC, be not suitable for using in PC, so the halogen-free flameproof problem of PC solves than exigence.
Summary of the invention
Purpose of the present invention is exactly environment to be existed defectives such as pollution and/or flame retardant properties deficiency at existing fire retardation PC material, and a kind of preparation that is easy to is provided, and has halogen-free flame retardant PC material of better mechanical property and high flame retardant and preparation method thereof.This fire retardation PC material can reach 0.38mm UL94V-0 level.
Purpose of the present invention can be achieved through the following technical solutions.
A kind of halogen-free and flame-retardant polycarbonate material is characterized in that being made by following materials of weight proportions:
Polycarbonate 75.5～94.5%
Micro encapsulation red phosphorus combustion inhibitor 2.5～6.5%
Vector resin 0～8.5%
Toughner 0～10%
Fire retarding synergist 0.05～0.5%
Lubricant 0～2%
Stablizer 0.2～0.8%
Wherein, preferred weight proportion is:
Polycarbonate 85～92%
Micro encapsulation red phosphorus combustion inhibitor 3.5～5.5%
Vector resin 2.5～6.5%
Toughner 4～8%
Fire retarding synergist 0.1～0.3%
Lubricant 1～1.5%
Stablizer 0.4～0.6%
Described micro encapsulation red phosphorus combustion inhibitor can be substituted by the masterbatch that microcapsule red phosphorus powder and PC or vector resin are formed, what the optional free Bluestar (Chengdu) New Material Co., Ltd. of this masterbatch produced is the red phosphorus flame-retardant masterbatch RPM240 or the RPM250 product of carrier with PC, wherein, " 2 " expression PC carrier, the weight percent content of " 40 " or " 50 " expression microcapsule red phosphorus powder; And the add-on of PC and vector resin counts the content of raw material polycarbonate and raw material carrier resin respectively in the masterbatch.
The resin that described vector resin is selected and polycarbonate has certain consistency is such as polyethylene terephthalate (PET), polybutylene terephthalate (PBT) or SAN (SAN) etc.
Described toughner is the anti-impact modifier with nucleocapsid structure, as (styrene butadiene-methacrylic ester ter-polymers or styrene-propene acid butyl ester-methacrylic ester ter-polymers), have a terpolymer of epoxide group, as (ethylene-acrylate-epoxy glycidyl ester copolymer), perhaps graft rubber is as (grafting terpolymer EP rubber) etc.
Described fire retarding synergist is selected polytetrafluoroethylene (PTFE).
Described lubricant is selected ethylene bis stearamide (EBS) or pentaerythritol stearate (PETS) etc.
Described stablizer is for to form by the auxiliary antioxidant of Hinered phenols primary antioxidant and phosphorous acid esters is composite, and the weight ratio of primary antioxidant and auxiliary antioxidant is 1: 2～2: 1.
Described hindered phenol anti-oxidants comprises: antioxidant 1010 or antioxidant CA etc.
Described phosphorous acid esters antioxidant comprises: oxidation inhibitor 168 or trisnonyl phenyl phosphite etc.
Halogen-free and flame-retardant polycarbonate preparation methods of the present invention is undertaken by following processing step:
Step 1: polycarbonate, micro encapsulation red phosphorus combustion inhibitor, vector resin placed 100～120 ℃ dry 12～20 hours of baking oven;
Step 2: take by weighing each raw material by above-mentioned weight percent;
Step 3: each raw material that will take by weighing mixed 2～5 minutes in rotating speed is the blender of 800rpm～3000rpm;
Step 4: the material that mixes is got product by the twin screw extruder extruding pelletization; The processing condition of granulation are: 220～260 ℃ of temperature, 100～200 rev/mins of screw speeds.
Useful technique effect of the present invention shows:
1, the present invention adopt micro encapsulation red phosphorus or the masterbatch formed with vector resin as fire retardant, cooperate fire retarding synergist simultaneously, thereby make product of the present invention reach the very flame retardant resistance of high request of 0.38mm UL94 V-0 level;
2, the present invention adopts micro encapsulation red phosphorus also to guarantee the stability of red phosphorus powder in the course of processing;
3, the present invention has significantly improved the low drawback of red phosphorus flame-retardant material impact intensity by adding toughner;
4, polycarbonate material flame retarding efficiency height of the present invention and environmental protection are applicable to the electric production that waits the built-in electrical insulation film article.
Embodiment
Embodiment 1
A kind of halogen-free and flame-retardant polycarbonate material is characterized in that being made by following materials of weight proportions:
Polycarbonate 90%
Red phosphorus flame-retardant masterbatch RPM250 8.5%
Wherein, microcapsule red phosphorus powder 4.25%, PC 4.25%
Polytetrafluoroethylene (PTFE) 0.3%
Ethylene bis stearamide (EBS) 0.8%
Stablizer 0.4%
Described stablizer is formed by 1: 2 weight ratio is composite by antioxidant 1010 and trisnonyl phenyl phosphite.
Polycarbonate, red phosphorus flame-retardant masterbatch RPM250 are placed 100 ℃ dry 20 hours of baking oven, and each raw material that will take by weighing by above-mentioned weight percent mixed 2～5 minutes in rotating speed is controlled at the blender of 800rpm～1000rpm again; Then with the material that mixes by twin screw extruder at 225～255 ℃, 200 rev/mins of following extruding pelletizations of revolution obtain the halogen-free flame retardant PC material.
Embodiment 2
A kind of halogen-free and flame-retardant polycarbonate material is characterized in that being made by following materials of weight proportions:
Polycarbonate 85%
Red phosphorus flame-retardant masterbatch RPM240 8.7%
Wherein, microcapsule red phosphorus powder 3.48%, PC 5.22%
Styrene butadiene-methacrylic ester ter-polymers 5%
Polytetrafluoroethylene (PTFE) 0.1%
Pentaerythritol stearate (PETS) 0.8%
Stablizer is by 0.4%
Described stablizer is formed by 2: 1 weight ratio is composite by antioxidant CA and oxidation inhibitor 168.
Polycarbonate, red phosphorus flame-retardant masterbatch RPM240 are placed 120 ℃ dry 12 hours of baking oven, and each raw material that will take by weighing by above-mentioned weight percent mixed 2～5 minutes in rotating speed is controlled at the blender of 2000rpm～3000rpm again; Then with the material that mixes by twin screw extruder at 225～255 ℃, 150 rev/mins of extruding pelletizations of revolution obtain the halogen-free flame retardant PC material.
Embodiment 3
A kind of halogen-free and flame-retardant polycarbonate material is characterized in that being made by following materials of weight proportions:
Polycarbonate 83%
Red phosphorus flame-retardant masterbatch RPM240 10.5%
Wherein, microcapsule red phosphorus powder 4.2%, PC 6.3%
Grafting terpolymer EP rubber 5%
Polytetrafluoroethylene (PTFE) 0.4%
Ethylene bis stearamide (EBS) 0.7%
Stablizer 0.4%
Described stablizer is formed by 1: 1 weight ratio is composite by antioxidant 1010 and oxidation inhibitor 168.
Polycarbonate, red phosphorus flame-retardant masterbatch RPM240 are placed 150 ℃ dry 14 hours of baking oven, and each raw material that will take by weighing by above-mentioned weight percent mixed 2～5 minutes in rotating speed is controlled at the blender of 1200rpm～1800rpm again; Then with the material that mixes by twin screw extruder at 225～255 ℃, 200 rev/mins of following extruding pelletizations of revolution obtain the halogen-free flame retardant PC material.
Embodiment 4
A kind of halogen-free and flame-retardant polycarbonate material is characterized in that being made by following materials of weight proportions:
Polycarbonate 75.5%
Micro encapsulation red phosphorus combustion inhibitor 6.5%
Polyethylene terephthalate (PET) 5.3%
Ethylene-acrylate-epoxy glycidyl ester copolymer 10%
Polytetrafluoroethylene (PTFE) 0.5%
Pentaerythritol stearate (PETS) 2%
Stablizer 0.2%
Described stablizer is formed by 1: 1.5 weight ratio is composite by antioxidant CA and oxidation inhibitor 168.
Polycarbonate, microencapsulated red phosphorus flame retardant, polyethylene terephthalate are placed 130 ℃ dry 20 hours of baking oven, and each raw material that will take by weighing by above-mentioned weight percent mixed 2～5 minutes in rotating speed is controlled at the blender of 2000rpm～2500rpm again; Then with the material that mixes by twin screw extruder at 225～255 ℃, 120 rev/mins of following extruding pelletizations of revolution obtain the halogen-free flame retardant PC material.
Embodiment 5
A kind of halogen-free and flame-retardant polycarbonate material is characterized in that being made by following materials of weight proportions:
Polycarbonate 92%
Micro encapsulation red phosphorus combustion inhibitor 5.5%
Styrene-propene acid butyl ester-methacrylic ester ter-polymers 1.4%
Polytetrafluoroethylene (PTFE) 0.3%
Stablizer 0.8%
Described stablizer is formed by 1: 1.8 weight ratio is composite by antioxidant CA and trisnonyl phenyl phosphite.
Polycarbonate, microencapsulated red phosphorus flame retardant are placed 130 ℃ dry 15 hours of baking oven, and each raw material that will take by weighing by above-mentioned weight percent mixed 2～5 minutes in rotating speed is controlled at the blender of 1500rpm～2000rpm again; Then with the material that mixes by twin screw extruder at 225～255 ℃, 180 rev/mins of following extruding pelletizations of revolution obtain the halogen-free flame retardant PC material.
After tested, the correlation test data of embodiment 1～5 products obtained therefrom see the following form
*Finger is tested down for 5 kilograms at 250 ℃.
From test result as can be seen, halogen-free flame retardant PC material described in the present invention has very high flame retardant resistance, by cooperating toughner also can significantly improve the notched Izod impact strength of material, and thermotolerance has only seldom reduction, thereby this material is suitable for producing the fire retardant insulating film article that electronic electric equipment is used.
Claims (10)
1. halogen-free and flame-retardant polycarbonate material is characterized in that being made by following materials of weight proportions:
Polycarbonate 75.5～94.5%
Micro encapsulation red phosphorus combustion inhibitor 2.5～6.5%
Vector resin 0～8.5%
Toughner 0～10%
Fire retarding synergist 0.05～0.5%
Lubricant 0～2%
Stablizer 0.2～0.8%
Described fire retarding synergist is selected tetrafluoroethylene;
Described lubricant is selected ethylene bis stearamide or pentaerythritol stearate;
Described stablizer is for to form by the auxiliary antioxidant of Hinered phenols primary antioxidant and phosphorous acid esters is composite, and the weight ratio of primary antioxidant and auxiliary antioxidant is 1: 2～2: 1.
2. halogen-free and flame-retardant polycarbonate material according to claim 1 is characterized in that the weight proportion of raw material is:
Polycarbonate 85～92%
Micro encapsulation red phosphorus combustion inhibitor 3.5～5.5%
Vector resin 2.5～6.5%
Toughner 4～8%
Fire retarding synergist 0.1～0.3%
Lubricant 1～1.5%
Stablizer 0.4～0.6%.
3. halogen-free and flame-retardant polycarbonate material according to claim 1 and 2 is characterized in that the masterbatch that described micro encapsulation red phosphorus combustion inhibitor is made up of microcapsule red phosphorus powder and PC or vector resin substitutes.
4. halogen-free and flame-retardant polycarbonate material according to claim 3, it is characterized in that it is the red phosphorus flame-retardant masterbatch RPM240 or the RPM250 product of carrier with PC that described masterbatch is selected from what produced by Bluestar (Chengdu) New Material Co., Ltd., wherein, " 2 " expression PC carrier, the weight percent content of " 40 " or " 50 " expression microcapsule red phosphorus powder; And the add-on of PC and vector resin counts the content of raw material polycarbonate and raw material carrier resin respectively in the masterbatch.
5. halogen-free and flame-retardant polycarbonate material according to claim 1 and 2 is characterized in that described vector resin selection and polycarbonate have polyethylene terephthalate, polybutylene terephthalate or the SAN of consistency.
6. halogen-free and flame-retardant polycarbonate material according to claim 1 and 2 is characterized in that described toughner is the anti-impact modifier with nucleocapsid structure, the terpolymer with epoxide group or graft rubber.
7. halogen-free and flame-retardant polycarbonate material according to claim 6 is characterized in that described anti-impact modifier with nucleocapsid structure is styrene butadiene-methacrylic ester ter-polymers or styrene-propene acid butyl ester-methacrylic ester ter-polymers.
8. halogen-free and flame-retardant polycarbonate material according to claim 1 is characterized in that described hindered phenol anti-oxidants comprises antioxidant 1010 or antioxidant CA.
9. halogen-free and flame-retardant polycarbonate material according to claim 1 is characterized in that described phosphorous acid esters antioxidant comprises oxidation inhibitor 168 or trisnonyl phenyl phosphite.
10. halogen-free and flame-retardant polycarbonate preparation methods according to claim 1 and 2 is characterized in that being undertaken by following processing step:
Step 1: polycarbonate, micro encapsulation red phosphorus combustion inhibitor, vector resin placed 100～120 ℃ dry 12～20 hours of baking oven;
Step 2: take by weighing each raw material by above-mentioned weight percent;
Step 3: each raw material that will take by weighing mixed 2～5 minutes in rotating speed is the blender of 800rpm～3000rpm;
Step 4: the material that mixes is got product by the twin screw extruder extruding pelletization; The processing condition of granulation are: 220～260 ℃ of temperature, 100～200 rev/mins of screw speeds.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585477A (en) * | 2012-02-29 | 2012-07-18 | 杨谢 | Formula of Si-system halogen-free flame-retardant PC (Poly Carbonate) and preparation method of Si-system halogen-free flame-retardant PC |
| CN102786790A (en) * | 2012-08-15 | 2012-11-21 | 昆山地博光电材料有限公司 | Halogen-free flame-retarded PC (poly carbonate) thin film formula |
| CN102786789A (en) * | 2012-08-15 | 2012-11-21 | 昆山地博光电材料有限公司 | PC (poly carbonate) thin film modifying formula |
| CN103013081A (en) * | 2012-12-17 | 2013-04-03 | 上海冠旗电子新材料股份有限公司 | Heat-resistant scratch-resistant halogen-free anti-flaming polycarbonate thin film |
| CN103360742A (en) * | 2013-07-14 | 2013-10-23 | 上海秋橙新材料科技有限公司 | Anti-aging PC-PTFE (poly carbonate-polytetrafluoroethylene) plastic alloy |
| CN106280378A (en) * | 2016-09-30 | 2017-01-04 | 福建华塑新材料有限公司 | One is exempted to spray polycarbonate compositions and preparation method thereof |
| CN106398163A (en) * | 2016-09-30 | 2017-02-15 | 福建华塑新材料有限公司 | Low temperature resistant and high impact resistant polycarbonate and preparation method thereof |
| CN106433071A (en) * | 2016-09-30 | 2017-02-22 | 福建华塑新材料有限公司 | Halogen-free flame-retardant polycarbonate composition and preparation method thereof |
| CN108129785A (en) * | 2017-12-13 | 2018-06-08 | 全椒祥瑞塑胶有限公司 | A kind of preparation method of impact resistance automobile instrument panel |
| CN108203539A (en) * | 2016-12-16 | 2018-06-26 | 铃木株式会社 | Automobile-use interior trim or exterior trim component and shipboard component |
| CN108603019A (en) * | 2016-01-26 | 2018-09-28 | 马自达汽车株式会社 | Automobile interior exterior adorns component |
| CN109867941A (en) * | 2019-01-18 | 2019-06-11 | 林建民 | A kind of preparation of high reflective PC material |
| CN112552636A (en) * | 2020-12-09 | 2021-03-26 | 重庆普利特新材料有限公司 | Halogen-free flame-retardant self-extinguishing ABS resin containing nanoscale flame retardant and preparation method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585477A (en) * | 2012-02-29 | 2012-07-18 | 杨谢 | Formula of Si-system halogen-free flame-retardant PC (Poly Carbonate) and preparation method of Si-system halogen-free flame-retardant PC |
| CN102786790A (en) * | 2012-08-15 | 2012-11-21 | 昆山地博光电材料有限公司 | Halogen-free flame-retarded PC (poly carbonate) thin film formula |
| CN102786789A (en) * | 2012-08-15 | 2012-11-21 | 昆山地博光电材料有限公司 | PC (poly carbonate) thin film modifying formula |
| CN103013081B (en) * | 2012-12-17 | 2015-12-09 | 上海冠旗电子新材料股份有限公司 | High temperature resistant scratch resistant halogen-free flame retardant polycarbonate film |
| CN103013081A (en) * | 2012-12-17 | 2013-04-03 | 上海冠旗电子新材料股份有限公司 | Heat-resistant scratch-resistant halogen-free anti-flaming polycarbonate thin film |
| CN103360742A (en) * | 2013-07-14 | 2013-10-23 | 上海秋橙新材料科技有限公司 | Anti-aging PC-PTFE (poly carbonate-polytetrafluoroethylene) plastic alloy |
| CN103360742B (en) * | 2013-07-14 | 2015-11-04 | 上海秋橙新材料科技有限公司 | Anti-aging PC-PTFE polyblend |
| CN108603019A (en) * | 2016-01-26 | 2018-09-28 | 马自达汽车株式会社 | Automobile interior exterior adorns component |
| CN106280378A (en) * | 2016-09-30 | 2017-01-04 | 福建华塑新材料有限公司 | One is exempted to spray polycarbonate compositions and preparation method thereof |
| CN106398163A (en) * | 2016-09-30 | 2017-02-15 | 福建华塑新材料有限公司 | Low temperature resistant and high impact resistant polycarbonate and preparation method thereof |
| CN106433071A (en) * | 2016-09-30 | 2017-02-22 | 福建华塑新材料有限公司 | Halogen-free flame-retardant polycarbonate composition and preparation method thereof |
| CN108203539A (en) * | 2016-12-16 | 2018-06-26 | 铃木株式会社 | Automobile-use interior trim or exterior trim component and shipboard component |
| CN108129785A (en) * | 2017-12-13 | 2018-06-08 | 全椒祥瑞塑胶有限公司 | A kind of preparation method of impact resistance automobile instrument panel |
| CN109867941A (en) * | 2019-01-18 | 2019-06-11 | 林建民 | A kind of preparation of high reflective PC material |
| CN112552636A (en) * | 2020-12-09 | 2021-03-26 | 重庆普利特新材料有限公司 | Halogen-free flame-retardant self-extinguishing ABS resin containing nanoscale flame retardant and preparation method thereof |
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| Publication number | Publication date |
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| CN101942186B (en) | 2012-09-12 |
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