CN102850750B - Preparation method of halogen-free flame retardant polypropylene modified polycarbonate alloy material - Google Patents
Preparation method of halogen-free flame retardant polypropylene modified polycarbonate alloy material Download PDFInfo
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- CN102850750B CN102850750B CN201210353041.XA CN201210353041A CN102850750B CN 102850750 B CN102850750 B CN 102850750B CN 201210353041 A CN201210353041 A CN 201210353041A CN 102850750 B CN102850750 B CN 102850750B
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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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
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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
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- 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
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Belonging to the technical field of high polymer material preparation, the invention relates to a preparation method of a halogen-free flame retardant polypropylene modified polycarbonate alloy material. The method consists of: first putting 38-55 parts of polycarbonate resin into a drying device to dry it, then weighing 7.3-10.4 parts of polypropylene compatible resin, 1.8-3.2 parts of a polypropylene compatibilizer, 5-8 parts of a phosphate, 3-4 parts of a phosphate ester, 3.2-5.8 parts of a compounded metal oxide, 0.01-0.07 part of a compounded antioxidant and 0.1-0.5 part of a lubricating agent, and placing them into a high-speed mixer to mix them uniformly, then transferring the mixture to a twin-screw extruder to perform melt extrusion, controlling the first zone of the screws at a temperature of 260DEG C, the second zone at 270DEG C, the third zone at 275DEG C, the fourth zone at 280DEG C, the fifth zone at 285DEG C, the sixth zone at 285DEG C, the seventh zone at 285DEG C and the eighth zone at 285DEG C, and subjecting the material from a die to water trough cooling and pelletizing, thus obtaining the halogen-free flame retardant polypropylene modified polycarbonate alloy material, which has excellent fluidity, mechanical properties and flame retardance.
Description
Technical field
The invention belongs to field of polymer material preparing technology, be specifically related to a kind of preparation method of polycarbonate alloy material of polypropylene modification of halogen-free flameproof.
Background technology
Polycarbonate has outstanding toughness, good electrical insulating property and dimensional stability, but the melt viscosity of polycarbonate is large, and responsive to breach, easily produce stress cracking, range of application is restricted.Polypropylene over-all properties is good, cheap, by polypropylene and polycarbonate blending, can make each component property complementary, improves the performance of polycarbonate material, and technical scheme described below is based on producing under this prerequisite.
Summary of the invention
Task of the present invention is to provide a kind of preparation method of polycarbonate alloy material of polypropylene modification of halogen-free flameproof, by the method, pass through polypropylene modification, the mobility of promoting polycarbonate, makes the performance of polycarbonate alloy material more excellent, and halogen-free flameproof.
Task of the present invention completes like this, a kind of preparation method of polycarbonate alloy material of polypropylene modification of halogen-free flameproof, it is first by 38 ~ 55 parts of input drying units of the polycarbonate resin taking by weight and at 106 ℃, to be dried 155min, then in company with 7.3 ~ 10.4 parts of the polypropylene compatible resins taking by weight, 1.8 ~ 3.2 parts of polypropylene expanding materials, 5 ~ 8 parts of phosphoric acid salt, 3 ~ 4 parts of phosphoric acid ester, 3.2 ~ 5.8 parts of composite metal oxides, in 0.01 ~ 0.07 part composite, oxidation inhibitor and 0.1 ~ 0.5 part of input high-speed mixer of lubricant, mix 15min, be then transferred in twin screw extruder and melt extrude, the temperature in screw rod one Zhi Ba district, district is controlled and is: 260 ℃ of district's temperature, two 270 ℃ of district's temperature, three 275 ℃ of district's temperature, four 280 ℃ of district's temperature, five 285 ℃ of district's temperature, six 285 ℃ of district's temperature, seven 285 ℃ of district's temperature 285 ℃He eight district's temperature, the material that comes from mouthful mould is cooling through tank, obtains the polycarbonate alloy material of the polypropylene modification of halogen-free flameproof after pelletizing.
In a specific embodiment of the present invention, described polycarbonate resin is bisphenol A polycarbonate resin.
In another specific embodiment of the present invention, the acrylic resin that described polypropylene compatilizer is maleic anhydride graft.
In another specific embodiment of the present invention, described polypropylene expanding material is the acrylic resin by glycidyl methacrylate graft.
In another specific embodiment of the present invention, described phosphoric acid salt is melamine polyphosphate.
Of the present invention, also have in a specific embodiment, described phosphoric acid ester is triphenyl.
More of the present invention and in a specific embodiment, the mixture that the nano-calcium carbonate that described composite metal oxide is 50% for be 50% by mass percent zinc borate and mass percent forms.
In of the present invention and then a specific embodiment, four [β-(3,5-di-t-butyl-4 phenyl) propionic acid] pentaerythritol ester that three [ 2.4-di-tert-butyl-phenyl ] phosphorous acid esters that described compound antioxidant is is 50% by mass percent and mass percent are 50% forms.
Of the present invention again more and in a specific embodiment, described lubricant is polyethylene wax.
The polycarbonate alloy material of the polypropylene modification of the halogen-free flameproof of being prepared by the inventive method has excellent mobility, mechanical property and flame retardant properties.Tensile strength 48 ~ 55MPa, flexural strength, 81 ~ 87MPa, shock strength 34 ~ 40KJ/m
2, flame retardant resistance V-0 (1.2mm).
Embodiment
Embodiment 1:
First by 55 parts of input drying units of the bisphenol A polycarbonate resin taking by weight and at 106 ℃, be dried 155min, then in company with take by weight by 7.3 parts of the acrylic resins of maleic anhydride graft, by 1.8 parts of the acrylic resins of glycidyl methacrylate graft, 8 parts of melamine polyphosphates, 3 parts of triphenyl, by mass percent, it is respectively 5 parts, the mixture that forms of 50% zinc borate and nano-calcium carbonate, by mass percent, be respectively three [ 2.4-di-tert-butyl-phenyl ] phosphorous acid ester and four [β-(3 of 50%, 5-di-t-butyl-4 phenyl) propionic acid] mix 15min in 0.01 part of compound antioxidant forming of pentaerythritol ester and 0.5 part of input high-speed mixer of polyethylene wax, then be transferred in twin screw extruder and melt extrude, the temperature in screw rod one Zhi Ba district, district is controlled: 260 ℃ of district's temperature, two 270 ℃ of district's temperature, three 275 ℃ of district's temperature, four 280 ℃ of district's temperature, five 285 ℃ of district's temperature, six 285 ℃ of district's temperature, seven 285 ℃ of district's temperature 285 ℃He eight district's temperature, the material that comes from mouthful mould is cooling through tank, after pelletizing, obtain the polycarbonate alloy material of the polypropylene modification of halogen-free flameproof.
Embodiment 2:
First by 38 parts of input drying units of the bisphenol A polycarbonate resin taking by weight and at 106 ℃, be dried 155min, then in company with take by weight by 10.4 parts of the acrylic resins of maleic anhydride graft, by 2.2 parts of the acrylic resins of glycidyl methacrylate graft, 5 parts of melamine polyphosphates, 3.2 parts of triphenyl, by mass percent, it is respectively 5.8 parts, the mixture that forms of 50% zinc borate and nano-calcium carbonate, by mass percent, be respectively three [ 2.4-di-tert-butyl-phenyl ] phosphorous acid ester and four [β-(3 of 50%, 5-di-t-butyl-4 phenyl) propionic acid] mix 15min in 0.07 part of compound antioxidant forming of pentaerythritol ester and 0.1 part of input high-speed mixer of polyethylene wax, then be transferred in twin screw extruder and melt extrude, all the other are all with the description to embodiment 1.
Embodiment 3:
First by 45 parts of input drying units of the bisphenol A polycarbonate resin taking by weight and at 106 ℃, be dried 155min, then in company with take by weight by 8.3 parts of the acrylic resins of maleic anhydride graft, by 3.2 parts of the acrylic resins of glycidyl methacrylate graft, 7 parts of melamine polyphosphates, 4 parts of triphenyl, by mass percent, it is respectively 3.2 parts, the mixture that forms of 50% zinc borate and nano-calcium carbonate, by mass percent, be respectively three [ 2.4-di-tert-butyl-phenyl ] phosphorous acid ester and four [β-(3 of 50%, 5-di-t-butyl-4 phenyl) propionic acid] mix 15min in 0.05 part of compound antioxidant forming of pentaerythritol ester and 0.3 part of input high-speed mixer of polyethylene wax, then be transferred in twin screw extruder and melt extrude, all the other are all with the description to embodiment 1.
Embodiment 4:
First by 50 parts of input drying units of the bisphenol A polycarbonate resin taking by weight and at 106 ℃, be dried 155min, then in company with take by weight by 9.3 parts of the acrylic resins of maleic anhydride graft, by 2.8 parts of the acrylic resins of glycidyl methacrylate graft, 6 parts of melamine polyphosphates, 3.6 parts of triphenyl, by mass percent, it is respectively 4 parts, the mixture that forms of 50% zinc borate and nano-calcium carbonate, by mass percent, be respectively three [ 2.4-di-tert-butyl-phenyl ] phosphorous acid ester and four [β-(3 of 50%, 5-di-t-butyl-4 phenyl) propionic acid] mix 15min in 0.03 part of compound antioxidant forming of pentaerythritol ester and 0.4 part of input high-speed mixer of polyethylene wax, then be transferred in twin screw extruder and melt extrude, all the other are all with the description to embodiment 1.
The polycarbonate alloy material of the polypropylene modification of the halogen-free flameproof being obtained by above-described embodiment 1-4 has the technical indicator shown in following table after tested:
Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
Tensile strength MPa | 43.3 | 45.8 | 47.6 | 50.2 |
Flexural strength MPa | 50 | 52 | 56 | 59 |
Shock strength KJ/m 2 | 31.2 | 34.5 | 36.6 | 37.8 |
Flame retardant resistance (1.2mm) UL-94-V-0 | V-0 | V-0 | V-0 | V-0 |
Claims (1)
1.
a kind of preparation method of polycarbonate alloy material of polypropylene modification of halogen-free flameproof, it is characterized in that it is first by 38 ~ 55 parts of input drying units of the polycarbonate resin taking by weight and at 106 ℃, to be dried 155min, then in company with 7.3 ~ 10.4 parts of the polypropylene compatible resins taking by weight, 1.8 ~ 3.2 parts of polypropylene expanding materials, 5 ~ 8 parts of phosphoric acid salt, 3 ~ 4 parts of phosphoric acid ester, 3.2 ~ 5.8 parts of composite metal oxides, in 0.01 ~ 0.07 part composite, oxidation inhibitor and 0.1 ~ 0.5 part of input high-speed mixer of lubricant, mix 15min, then be transferred in twin screw extruder and melt extrude, the temperature in screw rod one Zhi Ba district, district is controlled: 260 ℃ of district's temperature, two 270 ℃ of district's temperature, three 275 ℃ of district's temperature, four 280 ℃ of district's temperature, five 285 ℃ of district's temperature, six 285 ℃ of district's temperature, seven 285 ℃ of district's temperature 285 ℃He eight district's temperature, the material that comes from mouthful mould is cooling through tank, after pelletizing, obtain the polycarbonate alloy material of the polypropylene modification of halogen-free flameproof, described polycarbonate resin is bisphenol A polycarbonate resin, described polypropylene compatilizer is the acrylic resin of maleic anhydride graft, described polypropylene expanding material is the acrylic resin by glycidyl methacrylate graft, described phosphoric acid salt is melamine polyphosphate, described phosphoric acid ester is triphenyl, the mixture that the nano-calcium carbonate that the zinc borate that described composite metal oxide is is 50% by mass percent and mass percent are 50% forms, four [β-(3 that three [ 2.4-di-tert-butyl-phenyl ] phosphorous acid esters that described compound antioxidant is is 50% by mass percent and mass percent are 50%, 5-di-t-butyl-4 phenyl) propionic acid] pentaerythritol ester composition, described lubricant is polyethylene wax.
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CN103205103A (en) * | 2013-04-15 | 2013-07-17 | 苏州宇度医疗器械有限责任公司 | Preparation method for white flame-retardant environmentally-friendly polycarbonate composite material |
CN103214816A (en) * | 2013-04-15 | 2013-07-24 | 苏州宇度医疗器械有限责任公司 | White flame-retardant environment-friendly polycarbonate composite material |
CN103214817A (en) * | 2013-04-15 | 2013-07-24 | 苏州宇度医疗器械有限责任公司 | White halogen-free flame-retardant polycarbonate composite material |
CN103205102A (en) * | 2013-04-15 | 2013-07-17 | 苏州宇度医疗器械有限责任公司 | Preparation method for white halogen-free flame-retardant polycarbonate composite material |
CN107955358A (en) * | 2017-12-15 | 2018-04-24 | 马鞍山松鹤信息科技有限公司 | A kind of special light LED material of optical electron and preparation method thereof |
CN113667184B (en) * | 2021-09-07 | 2022-08-05 | 万华化学集团股份有限公司 | Amphiphilic compatilizer, preparation method thereof and polycarbonate-polypropylene alloy material |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101434727A (en) * | 2008-12-12 | 2009-05-20 | 暨南大学 | Halogen-free flame retarding polymer sheet material |
CN101508835A (en) * | 2009-03-12 | 2009-08-19 | 华南理工大学 | Halogen-free flame-proof static resistant polycarbonate composition and method for producing the same |
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CN101434727A (en) * | 2008-12-12 | 2009-05-20 | 暨南大学 | Halogen-free flame retarding polymer sheet material |
CN101508835A (en) * | 2009-03-12 | 2009-08-19 | 华南理工大学 | Halogen-free flame-proof static resistant polycarbonate composition and method for producing the same |
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