CN104693712A - High-performance toughened reinforced flame-retardant PC/PET alloy - Google Patents
High-performance toughened reinforced flame-retardant PC/PET alloy Download PDFInfo
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- CN104693712A CN104693712A CN201310639142.8A CN201310639142A CN104693712A CN 104693712 A CN104693712 A CN 104693712A CN 201310639142 A CN201310639142 A CN 201310639142A CN 104693712 A CN104693712 A CN 104693712A
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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
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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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
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- 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
-
- 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
- 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
Abstract
The invention discloses a high-performance toughened reinforced flame-retardant PC/PET alloy. The high-performance toughened reinforced flame-retardant PC/PET alloy comprises following ingredients, by mass, 40 to 60% of PC, 10 to 30% of PET, 5 to 15% of a reinforcing agent, 5 to 10% of a flexibilizer, 2 to 6% of a fire retardant, 2 to 5% of a compatilizer, 0.1 to 1% of a coupling agent, 0.1 to 0.5% of an anti-oxidant, 0.1 to 1% of a dispersant, and 0 to 1% of other auxiliary agents. Beneficial effects are that: compared with the prior art, the PC/PET alloy possesses advantages of PC and PET; notch impact strength, tensile strength, rigidity, and heat resistance are improved greatly; flame resistance is excellent; the PC/PET alloy contains no halogen, is high in efficiency, is safe, is friendly to the environment, and is capable of satisfying flame resistance requirements of UL94V-0.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of high-performance toughen and intensify fire retardation PC/PET alloy.
Background technology
PC/PET alloy (polycarbonate/polyethylene terephthalate) is the ideal engineering plastics of a kind of over-all properties, and it has the excellent properties that PC, PET single component does not possess, and all can use in a lot of occasion.But, because PET is crystalline polymer, PC is non-crystalline polymer, PC/PET belongs to typical amorphous/crystallization co-mixing system, both blended consistencies are poor, and cause the Toughness Ratio of blended PC/PET alloy poor, its intensity is not high, flame retardant resistance is also bad, thus limits its application in some occasion.
Summary of the invention
The object of the present invention is to provide a kind of high-performance toughen and intensify fire retardation PC/PET alloy.
The technical solution adopted for the present invention to solve the technical problems is: a kind of high-performance toughen and intensify fire retardation PC/PET alloy, and its component by mass percent proportioning is: PC 40% ~ 60%, PET 10% ~ 30%, toughener 5% ~ 15%, toughner 5% ~ 10%, fire retardant 2% ~ 6%, compatilizer 2% ~ 5%, coupling agent 0.1% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, dispersion agent 0.1% ~ 1%, other auxiliary agent 0 ~ 1%.
Described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.
Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 0.9dL/g.
Described toughener is the water-ground limestone of particle diameter between 0.5 ~ 5 μm or process white.
Described toughner is maleic anhydride grafted ethene-alkylmethacrylate polymer (E/MAK-g-MAH).
Described fire retardant is the polydimethylsiloxane (PDMS) of mass ratio 99:1 and the compound flame retardant of perfluorinated sulfonic acid potassium (KFBS).
Described compatilizer is ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer (E-MA-GMA).
Described coupling agent is aluminium titanium composite coupler.
Described oxidation inhibitor is the Hinered phenols antioxidant 1010 or 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
Described dispersion agent is pentaerythritol stearate (PETS).
Other described auxiliary agent is one or both of photostabilizer and hydrolysis agent.
The preparation method of above-mentioned a kind of high-performance toughen and intensify fire retardation PC/PET alloy, comprises the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, toughener, fire retardant respectively at 70 DEG C ~ 85 DEG C dry 30 ~ 45 minutes separately, stand-by;
(2), dry toughener and coupling agent is taken by weight ratio, add sonic oscillation producer or rotating speed is not less than in the high-speed mixer of 3000 revs/min, stir 10 ~ 60 minutes at 100 DEG C ~ 120 DEG C temperature, obtain surface modified reinforcement, then be cooled to lower than 40 DEG C of dischargings, stand-by;
(3), dry PET and fire retardant will be taken by weight ratio, add in high-speed mixer, stir 1 ~ 3 minute, then add the oxidation inhibitor, the dispersion agent that take by weight ratio, continue stirring 3 ~ 10 minutes, after making fully to mix, discharging adds in twin screw extruder, extrude after melt blending at 270 DEG C ~ 290 DEG C, cooling granulation, and dry after obtained PET fire-retardant master granule, stand-by;
(4), PET fire-retardant master granule obtained to the PC and step (3) that take drying is by weight ratio added in high-speed mixer, add the surface modified reinforcement that step (2) obtains simultaneously, and the toughner taken by weight ratio, compatilizer and other auxiliary agent, after making to stir 3 ~ 15 minutes premixs together, discharging adds in twin screw extruder, at 260 DEG C ~ 290 DEG C through plastify blended after extrude, cooling granulation, obtain a kind of high-performance toughen and intensify fire retardation PC/PET alloy of the present invention.
The invention has the beneficial effects as follows, compared with prior art, the PC/PET alloy that the present invention obtains, not only with the respective advantage of PC and PET, and substantially increase notched Izod impact strength, tensile strength, rigidity and resistance toheat etc., also there is excellent flame retardant properties, and meet the flame-retardancy requirements of Halogen, efficient, safety, environmental protection and UL94 V-0 level, be a kind of high comprehensive performance and the engineering plastics with very high potential, the fields such as automobile, electronic apparatus, communication, medicine equipment, chemical industry, military affairs, space flight and aviation, building structure can be widely used in.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of high-performance toughen and intensify fire retardation PC/PET alloy, its component by mass percent proportioning is: PC 40%, PET 30%, the water-ground limestone 10% of particle diameter between 0.5 ~ 5 μm, maleic anhydride grafted ethene-alkylmethacrylate polymer (E/MAK-g-MAH) 10%, fire retardant 5%, ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer (E-MA-GMA) 3%, aluminium titanium composite coupler 0.5%, the Hinered phenols antioxidant 1010 of mass ratio 1:1 and the compound 0.2% of phosphite ester kind antioxidant 168, pentaerythritol stearate (PETS) 0.8%, photostabilizer 0.5%.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 0.9dL/g; Described fire retardant is the polydimethylsiloxane (PDMS) of mass ratio 99:1 and the compound flame retardant of perfluorinated sulfonic acid potassium (KFBS).
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, the water-ground limestone of particle diameter between 0.5 ~ 5 μm, fire retardant respectively at 70 DEG C ~ 85 DEG C dry 30 ~ 45 minutes separately, stand-by, (2) water-ground limestone of dry particle diameter between 0.5 ~ 5 μm and aluminium titanium composite coupler, is taken by weight ratio, add sonic oscillation producer or rotating speed is not less than in the high-speed mixer of 3000 revs/min, stir 10 ~ 60 minutes at 100 DEG C ~ 120 DEG C temperature, obtain surface modified ground calcium carbonate, then be cooled to lower than 40 DEG C of dischargings, stand-by, (3), dry PET and fire retardant will be taken by weight ratio, add in high-speed mixer, stir 1 ~ 3 minute, then the Hinered phenols antioxidant 1010 of the mass ratio 1:1 taken by weight ratio and compound, the pentaerythritol stearate (PETS) of phosphite ester kind antioxidant 168 is added, continue stirring 3 ~ 10 minutes, after making fully to mix, discharging adds in twin screw extruder, extrude after melt blending at 270 DEG C ~ 290 DEG C, cooling granulation, and dry rear obtained PET fire-retardant master granule, stand-by, (4), PET fire-retardant master granule obtained to the PC and step (3) that take drying is by weight ratio added in high-speed mixer, add the surface modified ground calcium carbonate that step (2) obtains simultaneously, and the maleic anhydride grafted ethene-alkylmethacrylate polymer (E/MAK-g-MAH) taken by weight ratio, ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer (E-MA-GMA) and photostabilizer, after making to stir 3 ~ 15 minutes premixs together, discharging adds in twin screw extruder, at 260 DEG C ~ 290 DEG C through plastify blended after extrude, cooling granulation, obtain a kind of high-performance toughen and intensify fire retardation PC/PET alloy of the present invention.
Embodiment 2:
A kind of high-performance toughen and intensify fire retardation PC/PET alloy, its component by mass percent proportioning is: PC 54%, PET 25%, the process white 8% of particle diameter between 0.5 ~ 5 μm, maleic anhydride grafted ethene-alkylmethacrylate polymer (E/MAK-g-MAH) 5%, fire retardant 2%, ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer (E-MA-GMA) 5%, aluminium titanium composite coupler 0.3%, the Hinered phenols antioxidant 1076 of mass ratio 1:1 and the compound 0.2% of phosphite ester kind antioxidant 168, pentaerythritol stearate (PETS) 0.5%.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 0.9dL/g; Described fire retardant is the polydimethylsiloxane (PDMS) of mass ratio 99:1 and the compound flame retardant of perfluorinated sulfonic acid potassium (KFBS).
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, the process white of particle diameter between 0.5 ~ 5 μm, fire retardant respectively at 70 DEG C ~ 85 DEG C dry 30 ~ 45 minutes separately, stand-by, (2) process white of dry particle diameter between 0.5 ~ 5 μm and aluminium titanium composite coupler, is taken by weight ratio, add sonic oscillation producer or rotating speed is not less than in the high-speed mixer of 3000 revs/min, stir 10 ~ 60 minutes at 100 DEG C ~ 120 DEG C temperature, obtain surface modification process white, then be cooled to lower than 40 DEG C of dischargings, stand-by, (3), dry PET and fire retardant will be taken by weight ratio, add in high-speed mixer, stir 1 ~ 3 minute, then the Hinered phenols antioxidant 1076 of the mass ratio 1:1 taken by weight ratio and compound, the pentaerythritol stearate (PETS) of phosphite ester kind antioxidant 168 is added, continue stirring 3 ~ 10 minutes, after making fully to mix, discharging adds in twin screw extruder, extrude after melt blending at 270 DEG C ~ 290 DEG C, cooling granulation, and dry rear obtained PET fire-retardant master granule, stand-by, (4), PET fire-retardant master granule obtained to the PC and step (3) that take drying is by weight ratio added in high-speed mixer, add the surface modification process white that step (2) obtains simultaneously, and the maleic anhydride grafted ethene-alkylmethacrylate polymer (E/MAK-g-MAH) taken by weight ratio, ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer (E-MA-GMA), after making to stir 3 ~ 15 minutes premixs together, discharging adds in twin screw extruder, at 260 DEG C ~ 290 DEG C through plastify blended after extrude, cooling granulation, obtain a kind of high-performance toughen and intensify fire retardation PC/PET alloy of the present invention.
Claims (6)
1. high-performance toughen and intensify fire retardation PC/PET alloy, it is characterized in that, its component by mass percent proportioning is: PC 40% ~ 60%, PET 10% ~ 30%, toughener 5% ~ 15%, toughner 5% ~ 10%, fire retardant 2% ~ 6%, compatilizer 2% ~ 5%, coupling agent 0.1% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, dispersion agent 0.1% ~ 1%, other auxiliary agent 0 ~ 1%.
2. a kind of high-performance toughen and intensify fire retardation PC/PET alloy according to claim 1, is characterized in that, described toughener is the water-ground limestone of particle diameter between 0.5 ~ 5 μm or process white.
3. a kind of high-performance toughen and intensify fire retardation PC/PET alloy according to claim 1, is characterized in that, described toughner is maleic anhydride grafted ethene-alkylmethacrylate polymer (E/MAK-g-MAH).
4. a kind of high-performance toughen and intensify fire retardation PC/PET alloy according to claim 1, is characterized in that, described fire retardant is the polydimethylsiloxane (PDMS) of mass ratio 99:1 and the compound flame retardant of perfluorinated sulfonic acid potassium (KFBS).
5. a kind of high-performance toughen and intensify fire retardation PC/PET alloy according to claim 1, is characterized in that, described compatilizer is ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer (E-MA-GMA).
6. the preparation method of a kind of high-performance toughen and intensify fire retardation PC/PET alloy according to claim 1, is characterized in that, comprise the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, toughener, fire retardant respectively at 70 DEG C ~ 85 DEG C dry 30 ~ 45 minutes separately, stand-by;
(2), dry toughener and coupling agent is taken by weight ratio, add sonic oscillation producer or rotating speed is not less than in the high-speed mixer of 3000 revs/min, stir 10 ~ 60 minutes at 100 DEG C ~ 120 DEG C temperature, obtain surface modified reinforcement, then be cooled to lower than 40 DEG C of dischargings, stand-by;
(3), dry PET and fire retardant will be taken by weight ratio, add in high-speed mixer, stir 1 ~ 3 minute, then add the oxidation inhibitor, the dispersion agent that take by weight ratio, continue stirring 3 ~ 10 minutes, after making fully to mix, discharging adds in twin screw extruder, extrude after melt blending at 270 DEG C ~ 290 DEG C, cooling granulation, and dry after obtained PET fire-retardant master granule, stand-by;
(4), PET fire-retardant master granule obtained to the PC and step (3) that take drying is by weight ratio added in high-speed mixer, add the surface modified reinforcement that step (2) obtains simultaneously, and the toughner taken by weight ratio, compatilizer and other auxiliary agent, after making to stir 3 ~ 15 minutes premixs together, discharging adds in twin screw extruder, at 260 DEG C ~ 290 DEG C through plastify blended after extrude, cooling granulation, obtain a kind of high-performance toughen and intensify fire retardation PC/PET alloy of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310639142.8A CN104693712A (en) | 2013-12-04 | 2013-12-04 | High-performance toughened reinforced flame-retardant PC/PET alloy |
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| CN201310639142.8A CN104693712A (en) | 2013-12-04 | 2013-12-04 | High-performance toughened reinforced flame-retardant PC/PET alloy |
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| CN104693712A true CN104693712A (en) | 2015-06-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106905674A (en) * | 2017-04-20 | 2017-06-30 | 宁波浙铁大风化工有限公司 | A kind of Flame-retardant PET and PC composites and preparation method thereof |
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2013
- 2013-12-04 CN CN201310639142.8A patent/CN104693712A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106905674A (en) * | 2017-04-20 | 2017-06-30 | 宁波浙铁大风化工有限公司 | A kind of Flame-retardant PET and PC composites and preparation method thereof |
| CN106905674B (en) * | 2017-04-20 | 2019-05-07 | 宁波浙铁大风化工有限公司 | A kind of Flame-retardant PET and PC composite material and preparation method |
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Application publication date: 20150610 |