CN104419169A - Environment-friendly and flame-retardant polycarbonate and preparation method thereof - Google Patents
Environment-friendly and flame-retardant polycarbonate and preparation method thereof Download PDFInfo
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- CN104419169A CN104419169A CN201310398254.9A CN201310398254A CN104419169A CN 104419169 A CN104419169 A CN 104419169A CN 201310398254 A CN201310398254 A CN 201310398254A CN 104419169 A CN104419169 A CN 104419169A
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- flame retardant
- polycarbonate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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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
- 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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses environment-friendly and flame-retardant polycarbonate and a preparation method thereof. The environment-friendly and flame-retardant polycarbonate disclosed by the invention comprises the following components in percentage by mass: 60%-90% of polycarbonate, 2%-10% of compound environment-friendly fire retardant, 5%-20% of packing, 2%-4% of a compatilizer, 0.1%-0.5% of a composite antioxidant and 0.1%-1% of a lubricating agent. The environment-friendly and flame-retardant polycarbonate has the beneficial effects that compared with the prior art, the prepared environment-friendly and flame-retardant polycarbonate disclosed by the invention is high in rigidity, good in heat resistance and size stability, and good in machinability and fire resistance, can meet the UL94V-0 grade, has safe, halogen-free, environment-friendly and high-efficiency flame retardant property, can be applied to the fields of electronic and electric products, automobiles, medical apparatuses and instruments, sports goods, buildings and the like, and has a wide prospect.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of environmental protection flame retardant polycarbonate and preparation method thereof.
Background technology
Polycarbonate (PC) is a kind of nontoxic, tasteless, water white material, transmittance is high, specific refractory power is high, good mechanical performance, and thermotolerance, flame resistivity and insulativity are better, and its product size is stablized, be widely used in the fields such as machinery, electric, medical device and illumination optical.PC itself has certain flame retardant resistance (oxygen index is 21% ~ 24%), but televisor, computer, transformer winding, trolley part, material of construction and other have high flame resistance require application, the flame retardant resistance of polycarbonate still is apparent not enough, and needs fire-retardant finish.Generally, just flame-retardant modified object can be reached by adding fire retardant in polycarbonate.Current polycarbonate fire retardant has tetrabromo-bisphenol (TBBPA), decabromodiphynly oxide (DBDPO), poly-dibromobenzene aether (PDBPO), ten tetrabromo two phenoxy groups benzene (DBDPOB) etc.European countries and the U.S. such as Germany exist and dispute in the toxicity and environmental problem of the halogenated flame retardants such as polybromodiphenyl ether, and the corrosive gases produced during halogenated flame retardant cracking easily causes the malfunctioning of electronic electric equipment key part, therefore, Halogen, press down cigarette, focus that environmental protection, high efficiency, multi-functional Composite have become Polycarbonate flame retardant study on the modification.
Summary of the invention
The object of the present invention is to provide a kind of environmental protection flame retardant polycarbonate and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: environmental protection flame retardant polycarbonate, and its component by mass percent proportioning is: polycarbonate 60% ~ 90%, Composite environmental-friendflame flame retardant 2% ~ 10%, filler 5% ~ 20%, compatilizer 2% ~ 4%, composite antioxidant 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described Composite environmental-friendflame flame retardant mixes obtained Composite environmental-friendflame flame retardant by polydimethylsiloxane (PDMS) 60wt%, zinc borate 30wt% and polytetrafluoroethylene (PTFE) 10wt% three.
Described filler is the one in nano-calcium carbonate, gas phase nano silicon-dioxide, organo montmorillonite, glass fibre, and surface is through coupling agent treatment mistake, and described coupling agent is selected from the one in aluminium titanium composite coupler, titanate coupling agent, silane coupling agent.
Described compatilizer is polymethylmethacrylate grafted maleic anhydride (PMMA-g-MAH).
Described composite antioxidant is Hinered phenols antioxidant 1010 and the compound of phosphite ester kind antioxidant 168 in quality 1:1 ratio.
Described lubricant is the one in PETS, TAS-2A, TAF.
The preparation method of above-mentioned environmental protection flame retardant polycarbonate, comprises the following steps:
(1), by polycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, stand-by;
(2), Composite environmental-friendflame flame retardant is prepared: take polydimethylsiloxane (PDMS), zinc borate and polytetrafluoroethylene (PTFE) by weight ratio, add after mixing in high-speed mixer, discharging obtains Composite environmental-friendflame flame retardant, then at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by;
(3), dry polycarbonate and Composite environmental-friendflame flame retardant is taken by weight ratio, add in high-speed mixer and stir 2 ~ 5 minutes, add the filler, compatilizer, composite antioxidant, the lubricant that take by weight ratio again, continue stirring 5 ~ 20 minutes, make to mix rear discharging;
(4), the compound of step (3) is added in twin screw extruder, extrudes through melting mixing at 230 DEG C ~ 260 DEG C, cooling granulation, obtain environmental protection flame retardant polycarbonate of the present invention.
The invention has the beneficial effects as follows, compared with prior art, the environmental protection flame retardant polycarbonate that the present invention obtains, not only have that rigidity is high, thermotolerance and good stability of the dimension, and there is good processibility and flame retardant resistance, UL94 V-0 grade can be met and there is safety, Halogen, environmental protection, efficiently flame retardant properties, can be used for the fields such as electronic apparatus, automobile, medicine equipment, sports goods, building and there is very wide prospect.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of environmental protection flame retardant polycarbonate, its component in mass percent proportioning is: polycarbonate 80%, Composite environmental-friendflame flame retardant 6%, the surperficial nano-calcium carbonate 10% through aluminium titanium composite coupler process, polymethylmethacrylate grafted maleic anhydride (PMMA-g-MAH) 3%, Hinered phenols antioxidant 1010 and compound 0.4%, the PETS 0.6% of phosphite ester kind antioxidant 168 in quality 1:1 ratio.Wherein, described Composite environmental-friendflame flame retardant mixes obtained Composite environmental-friendflame flame retardant by polydimethylsiloxane (PDMS) 60wt%, zinc borate 30wt% and polytetrafluoroethylene (PTFE) 10wt% three.
Preparation method: (1), by polycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, stand-by; (2), Composite environmental-friendflame flame retardant is prepared: take polydimethylsiloxane (PDMS), zinc borate and polytetrafluoroethylene (PTFE) by weight ratio, add after mixing in high-speed mixer, discharging obtains Composite environmental-friendflame flame retardant, then at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by; (3), dry polycarbonate and Composite environmental-friendflame flame retardant is taken by weight ratio, add in high-speed mixer and stir 2 ~ 5 minutes, add the surface that takes by weight ratio again through the nano-calcium carbonate of aluminium titanium composite coupler process, polymethylmethacrylate grafted maleic anhydride (PMMA-g-MAH), Hinered phenols antioxidant 1010 and compound, the PETS of phosphite ester kind antioxidant 168 in quality 1:1 ratio, continue stirring 5 ~ 20 minutes, make to mix rear discharging; (4), the compound of step (3) is added in twin screw extruder, extrudes through melting mixing at 230 DEG C ~ 260 DEG C, cooling granulation, obtain environmental protection flame retardant polycarbonate of the present invention.
Embodiment 2:
A kind of environmental protection flame retardant polycarbonate, its component in mass percent proportioning is: polycarbonate 67%, Composite environmental-friendflame flame retardant 8%, the surperficial glass fibre 20% through silane coupling agent process, polymethylmethacrylate grafted maleic anhydride (PMMA-g-MAH) 4%, Hinered phenols antioxidant 1010 and compound 0.4%, the TAF 0.6% of phosphite ester kind antioxidant 168 in quality 1:1 ratio.Wherein, described Composite environmental-friendflame flame retardant mixes obtained Composite environmental-friendflame flame retardant by polydimethylsiloxane (PDMS) 60wt%, zinc borate 30wt% and polytetrafluoroethylene (PTFE) 10wt% three.
Preparation method: (1), by polycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, stand-by; (2), Composite environmental-friendflame flame retardant is prepared: take polydimethylsiloxane (PDMS), zinc borate and polytetrafluoroethylene (PTFE) by weight ratio, add after mixing in high-speed mixer, discharging obtains Composite environmental-friendflame flame retardant, then at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by; (3), dry polycarbonate and Composite environmental-friendflame flame retardant is taken by weight ratio, add in high-speed mixer and stir 2 ~ 5 minutes, add the surface that takes by weight ratio again through the glass fibre of silane coupling agent process, polymethylmethacrylate grafted maleic anhydride (PMMA-g-MAH), Hinered phenols antioxidant 1010 and compound, the TAF of phosphite ester kind antioxidant 168 in quality 1:1 ratio, continue stirring 5 ~ 20 minutes, make to mix rear discharging; (4), the compound of step (3) is added in twin screw extruder, extrudes through melting mixing at 230 DEG C ~ 260 DEG C, cooling granulation, obtain environmental protection flame retardant polycarbonate of the present invention.
Claims (7)
1. an environmental protection flame retardant polycarbonate, it is characterized in that, its component by mass percent proportioning is: polycarbonate 60% ~ 90%, Composite environmental-friendflame flame retardant 2% ~ 10%, filler 5% ~ 20%, compatilizer 2% ~ 4%, composite antioxidant 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. environmental protection flame retardant polycarbonate according to claim 1, it is characterized in that, described Composite environmental-friendflame flame retardant mixes obtained Composite environmental-friendflame flame retardant by polydimethylsiloxane (PDMS) 60wt%, zinc borate 30wt% and polytetrafluoroethylene (PTFE) 10wt% three.
3. environmental protection flame retardant polycarbonate according to claim 1, it is characterized in that, described filler is the one in nano-calcium carbonate, gas phase nano silicon-dioxide, organo montmorillonite, glass fibre, and surface is through coupling agent treatment mistake, described coupling agent is selected from the one in aluminium titanium composite coupler, titanate coupling agent, silane coupling agent.
4. environmental protection flame retardant polycarbonate according to claim 1, is characterized in that, described compatilizer is polymethylmethacrylate grafted maleic anhydride (PMMA-g-MAH).
5. environmental protection flame retardant polycarbonate according to claim 1, is characterized in that, described composite antioxidant is Hinered phenols antioxidant 1010 and the compound of phosphite ester kind antioxidant 168 in quality 1:1 ratio.
6. environmental protection flame retardant polycarbonate according to claim 1, is characterized in that, described lubricant is the one in PETS, TAS-2A, TAF.
7. the preparation method of environmental protection flame retardant polycarbonate according to claim 1, is characterized in that, comprise the following steps:
(1), by polycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, stand-by;
(2), Composite environmental-friendflame flame retardant is prepared: take polydimethylsiloxane (PDMS), zinc borate and polytetrafluoroethylene (PTFE) by weight ratio, add after mixing in high-speed mixer, discharging obtains Composite environmental-friendflame flame retardant, then at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by;
(3), dry polycarbonate and Composite environmental-friendflame flame retardant is taken by weight ratio, add in high-speed mixer and stir 2 ~ 5 minutes, add the filler, compatilizer, composite antioxidant, the lubricant that take by weight ratio again, continue stirring 5 ~ 20 minutes, make to mix rear discharging;
(4), the compound of step (3) is added in twin screw extruder, extrudes through melting mixing at 230 DEG C ~ 260 DEG C, cooling granulation, obtain environmental protection flame retardant polycarbonate of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310398254.9A CN104419169A (en) | 2013-09-05 | 2013-09-05 | Environment-friendly and flame-retardant polycarbonate and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310398254.9A CN104419169A (en) | 2013-09-05 | 2013-09-05 | Environment-friendly and flame-retardant polycarbonate and preparation method thereof |
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| CN104419169A true CN104419169A (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310398254.9A Pending CN104419169A (en) | 2013-09-05 | 2013-09-05 | Environment-friendly and flame-retardant polycarbonate and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860484A (en) * | 2016-05-31 | 2016-08-17 | 苏州市奎克力电子科技有限公司 | Flame-retardant toughened polycarbonate composite material and preparation method thereof |
| CN106832776A (en) * | 2017-02-09 | 2017-06-13 | 合肥英索莱特新材料科技有限公司 | Flame-retardant environment-friendly epoxy electronic encapsulating material |
-
2013
- 2013-09-05 CN CN201310398254.9A patent/CN104419169A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860484A (en) * | 2016-05-31 | 2016-08-17 | 苏州市奎克力电子科技有限公司 | Flame-retardant toughened polycarbonate composite material and preparation method thereof |
| CN106832776A (en) * | 2017-02-09 | 2017-06-13 | 合肥英索莱特新材料科技有限公司 | Flame-retardant environment-friendly epoxy electronic encapsulating material |
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Application publication date: 20150318 |