CN103819887A - High-rigidity and high-heat-resistant PC/PET alloy material and preparing method thereof - Google Patents
High-rigidity and high-heat-resistant PC/PET alloy material and preparing method thereof Download PDFInfo
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- CN103819887A CN103819887A CN201210464173.XA CN201210464173A CN103819887A CN 103819887 A CN103819887 A CN 103819887A CN 201210464173 A CN201210464173 A CN 201210464173A CN 103819887 A CN103819887 A CN 103819887A
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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
- B29B9/12—Making granules characterised by structure or composition
- B29B9/14—Making granules characterised by structure or composition fibre-reinforced
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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
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
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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
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
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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
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
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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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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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
- B29C48/78—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
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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
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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
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
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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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- 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
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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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
- 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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- 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
- B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
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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
- 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
- B29C2948/92885—Screw or gear
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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
- 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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Abstract
The invention relates to a high-rigidity and high-heat-resistant PC/PET alloy material and a preparing method thereof. The alloy material is prepared from the following ingredients in parts by weight: 500-750 parts of polycarbonate resin, 10-210 parts of polyethylene terephthalate resin, 60-140 parts of aedelforsite powder, 60-140 parts of aedelforsite fiber, 20-80 parts of a flexibilizer, 0.5-5 parts of a dispersant, 1-8 parts of an antioxidant and 1-8 parts of a lubricant. High-rigidity and high-heat-resistant PC/PET alloy material granules are prepared from the above raw materials through high-speed mixing and extrusion granulation. Compared with the prior art, the preparing method for the high-rigidity and high-heat-resistance PC/PET alloy material has the advantages of simplicity and feasibility. The PC/PET alloy material is enabled to have better rigidity and heat resistance after the aedelforsite powder and the aedelforsite fiber are adopted and reasonably compounded.
Description
Technical field
The invention belongs to technical field of polymer processing, relate to a kind of PC/PET alloy material and preparation method thereof, especially relate to a kind of high rigidity high heat resistance PC/PET alloy material and preparation method thereof.
Background technology
PC (polycarbonate) have the excellent transparency, impact resistance, electrical insulation capability, dimensional stability, resistance to flame can etc., but it exists shortcomings such as melt viscosity is high, easy stress cracking.Add PET (polyethylene terephthalate) can improve the anti-stress cracking of PC, the processing fluidity of raising PC, makes it have good processing characteristics.PC/PET alloy material has the advantage of PC and PET concurrently, has the features such as good toughness, solvent resistance and processing characteristics, in the fields such as electronic apparatus, automobile making, household electrical appliances and office appliance, has a wide range of applications.Along with these fields require to improve constantly to the over-all properties of plastic material, some product is as body of a motor car panel, automobile door frame, automobile door handle, home electronic panel etc., not only require PC/PET alloy material to there is the tradition typical case performance of this material, also require PC/PET alloy to there is high rigidity and high heat resistance.Therefore, the PC/PET alloy material that development has high rigidity high heat resistance is a kind of trend of PC/PET alloy material development, is also conducive to expand the Application Areas of PC/PET alloy material simultaneously.
Summary of the invention
Object of the present invention is exactly to provide a kind of high rigidity high heat resistance PC/PET alloy material and preparation method thereof in order to overcome the defect that above-mentioned prior art exists, the preparation method of this high rigidity high heat resistance PC/PET alloy material is simple, and makes the matrix material making have good rigidity and thermotolerance.
Object of the present invention can be achieved through the following technical solutions:
A kind of high rigidity high heat resistance PC/PET alloy material, this alloy material is made up of the component that comprises following weight part:
Polycarbonate resin 500～750;
Pet resin 10～210;
Wollastonite powder 60～140;
Wollastonite fibre 60～140;
Toughner 20～80;
Dispersion agent 0.5～5;
Oxidation inhibitor 1～8;
Lubricant 1～8.
Described polycarbonate resin is preferably 550～700 parts, and described pet resin is preferably 10～200 parts.
The order number of described wollastonite powder is 1000～2500 orders; The length-to-diameter ratio of described wollastonite fibre is 10～20:1.
Described toughner is MBS.
Described dispersion agent is selected from least one of silane coupling agent or titanate coupling agent, preferred silane coupling agent γ-aminopropyl triethoxysilane (KH550) or titanate coupling agent sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester (TMC-102).
Described oxidation inhibitor is selected from three (2,4-di-tert-butyl-phenyl) phosphorous acid ester (irgasfos 168), β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid Octadecane alcohol ester (antioxidant 1076) or four (2,4-di-tert-butyl-phenyl) one or more in-4,4 '-xenyl diphosphites (oxidation inhibitor PEPQ).
Described lubricant is selected from one or more of pentaerythritol stearate (PETS), ethylene bis stearamide (EBS) or ethylene acrylic acid co polymer (A-C540A).
A preparation method for high rigidity high heat resistance PC/PET alloy material, the method comprises the following steps:
(1) get the raw materials ready according to following component and weight part: 500～750 parts of polycarbonate resins, 10～210 parts of pet resins, 60～140 parts of wollastonite powder, 60～140 parts of wollastonite fibres, 20～80 parts of toughner, 0.5～5 part of dispersion agent, 1～8 part, oxidation inhibitor, 1～8 part of lubricant;
(2) polycarbonate resin, pet resin, wollastonite powder and wollastonite fibre are carried out to forced air drying;
(3) wollastonite powder, wollastonite fibre and 0.5～3 part of dispersion agent are mixed in high-speed mixer high speed, obtain wollastonite powder and the wollastonite fibre of dispersion agent processing;
(4) wollastonite powder of dispersion agent processing polycarbonate resin, pet resin, toughner, remaining dispersion agent, oxidation inhibitor, lubricant and step (3) being obtained and wollastonite fibre are put into high-speed mixer and are mixed, and obtain mixture;
(5), by step (4) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.
The temperature of the forced air drying described in step (2) is 100～130 ℃, be 2～5 hours time of drying, the mixing temperature of the high-speed mixer described in step (3) is 50～90 ℃, rotating speed is 600～1500rpm, the time of mixing is 5～10min, the rotating speed of the high-speed mixer described in step (4) is 600～1500rpm, and mixing time is 5～10min.
The described twin screw extruder of step (5) comprises Liu Ge district, wherein each district temperature and screw speed are respectively: 215～225 ℃ of district's temperature, two 235～245 ℃ of district's temperature, three 245～255 ℃ of district's temperature, four 250～260 ℃ of district's temperature, five 255～265 ℃ of district's temperature, six 255～265 ℃ of district's temperature, 260～275 ℃ of head temperatures; Screw speed is 250～400r/min.
Compared with prior art, the present invention has the following advantages and beneficial effect:
The present invention adopts at present conventional and the high forming processing technology of operability to prepare the PC/PET alloy material of high rigidity high heat resistance.In prepared high rigidity high heat resistance material system, rise and improve rigidity and stable on heating for wollastonite powder and wollastonite fibre, rigidity and the thermotolerance of resulting materials after both reasonable composite, be far superior to both and mix and effect that stack obtains through simple.This explanation is in rational ratio range, and both have formed special network structure in material system, thereby make gained PC/PET alloy material have the feature of high rigidity and high heat resistance.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
The length-to-diameter ratio of following examples twin screw extruder used 40: 1, manufacturer is Kunshan Ke Xin rubber and plastics machine company limited;
Injection moulding machine used manufacturer is Zhejiang Haitian Machinery Co., Ltd., and model is MA600/100;
Polycarbonate resin used manufacturer is Bayer A.G, and model is RX1805;
Pet resin used manufacturer is Shanghai Yuan Fang company, and model is 608S;
Wollastonite powder used and wollastonite fibre manufacturer are Jiangxi Ao Te fine powder company limited;
Dispersion agent KH550 used manufacturer is union carbide corporation of the U.S.;
Dispersion agent TMC-102 used manufacturer is Ken Ruiqi company of the U.S.;
Toughening agent MBS E2620 manufacturer is BASF Aktiengesellschaft;
Antioxidant 1076 used, irgasfos 168 and oxidation inhibitor PEPQ manufacturer are Switzerland's vapour Bagong department;
Institute with lubricator A-C540A manufacturer is Honeywell company of the U.S.;
Institute with lubricator PETS manufacturer is Clariant Chemical Co., Ltd. of Switzerland;
Lubricate EBS used manufacturer is Long Sha company of Switzerland.Following examples agents useful for same only, for illustrating, is not limited to protection scope of the present invention, and other embodiments of the invention still can be selected all optional reagents within the scope of claim.
Embodiment 1
(1) first by the wollastonite fibre of the polycarbonate resin of 750 parts, the pet resin of 10 parts, the wollastonite powder of 100 parts and 100 parts in 100 ℃ of forced air dryings 5 hours, then 100 parts of wollastonite powder, 100 parts of wollastonite fibres and dispersion agent KH5503 part are used to 1500rpm rotating speed mixing 5min in 50 ℃ of high-speed mixers, obtain wollastonite powder and the wollastonite fibre of dispersion agent processing;
(2) wollastonite powder of the dispersion agent processing obtaining in 750 parts of polycarbonate resins, 10 parts of pet resins, 37 parts of toughner, dispersion agent KH5501 part, 1 part of irgasfos 168, lubricant PETS3 part, 3 parts of Lubricate EBSs, lubricant A-C540A2 part and step (1) and wollastonite fibre being put into high-speed mixer mixes, 1500rpm rotating speed mixing 5min, obtains mixture;
(3), by step (2) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.Twin screw extruder comprises Liu Ge district, and wherein each district temperature and screw speed are respectively: 215 ℃ of district's temperature, two 235 ℃ of district's temperature, three 245 ℃ of district's temperature, four 250 ℃ of district's temperature, five 255 ℃ of district's temperature, six 260 ℃ of district's temperature, 260 ℃ of head temperatures; Screw speed 250r/min.The performance test results of resulting materials is in table 1.
Embodiment 2
(1) first by the wollastonite fibre of the polycarbonate resin of 640 parts, the pet resin of 80 parts, the wollastonite powder of 60 parts and 140 parts in 110 ℃ of forced air dryings 4 hours, then 60 parts of wollastonite powder, 140 parts of wollastonite fibres and dispersion agent TMC-1023 part are used to 1200rpm rotating speed mixing 6min in 60 ℃ of high-speed mixers, obtain wollastonite powder and the wollastonite fibre of dispersion agent processing;
(2) wollastonite powder of the dispersion agent processing obtaining in 640 parts of polycarbonate resins, 80 parts of pet resins, 67 parts of toughner, dispersion agent TMC-1022 part, 1 part of irgasfos 168, oxidation inhibitor PEPQ1 part, lubricant PETS3 part, 3 parts of Lubricate EBSs and step (1) and wollastonite fibre being put into high-speed mixer mixes, 1200rpm rotating speed mixing 6min, obtains mixture;
(3), by step (2) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.Twin screw extruder comprises Liu Ge district, and wherein each district temperature and screw speed are respectively: 220 ℃ of district's temperature, two 240 ℃ of district's temperature, three 250 ℃ of district's temperature, four 255 ℃ of district's temperature, five 260 ℃ of district's temperature, six 260 ℃ of district's temperature, 265 ℃ of head temperatures; Screw speed 300r/min.The performance test results of resulting materials is in table 1.
Embodiment 3
(1) first by the wollastonite fibre of the polycarbonate resin of 640 parts, the pet resin of 100 parts, the wollastonite powder of 80 parts and 120 parts in 120 ℃ of forced air dryings 3 hours, then 80 parts of wollastonite powder, 120 parts of wollastonite fibres and dispersion agent KH5503 part are used to 1000rpm rotating speed mixing 7min in 70 ℃ of high-speed mixers, obtain wollastonite powder and the wollastonite fibre of dispersion agent processing;
(2) wollastonite powder of the dispersion agent processing obtaining in 640 parts of polycarbonate resins, 3 parts of 2 parts of 1 part of 50 parts of pet resin, toughner, antioxidant 1076, irgasfos 168s, Lubricate EBSs, lubricant A-C540A2 part and the step (1) of 100 parts and wollastonite fibre being put into high-speed mixer mixes, 1000rpm rotating speed mixing 6min, obtains mixture;
(3), by step (2) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.Twin screw extruder comprises Liu Ge district, and wherein each district temperature and screw speed are respectively: 225 ℃ of district's temperature, two 245 ℃ of district's temperature, three 255 ℃ of district's temperature, four 260 ℃ of district's temperature, five 265 ℃ of district's temperature, six 265 ℃ of district's temperature, 270 ℃ of head temperatures; Screw speed 350r/min.The performance test results of resulting materials is in table 1.
Embodiment 4
(1) first by the wollastonite fibre of the polycarbonate resin of 650 parts, the pet resin of 120 parts, the wollastonite powder of 105 parts and 95 parts in 130 ℃ of forced air dryings 2 hours, then 105 parts of wollastonite powder, 95 parts of wollastonite fibres and dispersion agent KH5500.5 part are used to 800rpm rotating speed mixing 8min in 80 ℃ of high-speed mixers, obtain wollastonite powder and the wollastonite fibre of dispersion agent processing;
(2) wollastonite powder of the dispersion agent processing obtaining in 650 parts of polycarbonate resins, 20 parts of pet resin, toughner, dispersion agent KH5500.5 part, 3 parts of antioxidant 1076s, 3 parts of irgasfos 168s, lubricant PETS1 part, lubricant A-C540A2 part and the step (1) of 120 parts and wollastonite fibre being put into high-speed mixer mixes, 800rpm rotating speed mixing 10min, obtains mixture;
(3), by step (2) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.Twin screw extruder comprises Liu Ge district, and wherein each district temperature and screw speed are respectively: 215 ℃ of district's temperature, two 235 ℃ of district's temperature, three 245 ℃ of district's temperature, four 250 ℃ of district's temperature, five 255 ℃ of district's temperature, six 255 ℃ of district's temperature, 275 ℃ of head temperatures; Screw speed 400r/min.The performance test results of resulting materials is in table 1.
Embodiment 5
(1) first by the wollastonite fibre of the polycarbonate resin of 580 parts, the pet resin of 150 parts, the wollastonite powder of 120 parts and 80 parts in 110 ℃ of forced air dryings 4 hours, then 120 parts of wollastonite powder, 80 parts of wollastonite fibres and dispersion agent KH5500.5 part are used to 600rpm rotating speed mixing 10min in 90 ℃ of high-speed mixers, obtain wollastonite powder and the wollastonite fibre of dispersion agent processing;
(2) wollastonite powder of the dispersion agent processing obtaining in 580 parts of polycarbonate resins, 4 parts of 2 parts of 60 parts of pet resin, toughner, antioxidant 1076s, irgasfos 168s, oxidation inhibitor PEPQ2 part, 2 parts of Lubricate EBSs and the step (1) of 150 parts and wollastonite fibre being put into high-speed mixer mixes, 600rpm rotating speed mixing 10min, obtains mixture;
(3), by step (2) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.Twin screw extruder comprises Liu Ge district, and wherein each district temperature and screw speed are respectively; One 220 ℃ of district's temperature, two 240 ℃ of district's temperature, three 250 ℃ of district's temperature, four 255 ℃ of district's temperature, five 260 ℃ of district's temperature, six 260 ℃ of district's temperature, 265 ℃ of head temperatures; Screw speed 300r/min.The performance test results of resulting materials is in table 1.
Embodiment 6
(1) first by the wollastonite fibre of the polycarbonate resin of 500 parts, the pet resin of 210 parts, the wollastonite powder of 140 parts and 60 parts in 120 ℃ of forced air dryings 4 hours, then 140 parts of wollastonite powder, 60 parts of wollastonite fibres and dispersion agent KH5501 part are used to 1000rpm rotating speed mixing 8min in 80 ℃ of high-speed mixers, obtain wollastonite powder and the wollastonite fibre of dispersion agent processing;
(2) wollastonite powder of the dispersion agent processing obtaining in 500 parts of polycarbonate resins, 80 parts of pet resin, toughner, dispersion agent KH5503 part, 3 parts of antioxidant 1076s, oxidation inhibitor PEPQ2 part, lubricant A-C540A1 part and the step (1) of 210 parts and wollastonite fibre being put into high-speed mixer mixes, 1000rpm rotating speed mixing 10min, obtains mixture;
(3), by step (2) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.Twin screw extruder comprises Liu Ge district, and wherein each district temperature and screw speed are respectively: 225 ℃ of district's temperature, two 245 ℃ of district's temperature, three 255 ℃ of district's temperature, four 260 ℃ of district's temperature, five 265 ℃ of district's temperature, six 265 ℃ of district's temperature, 270 ℃ of head temperatures; Screw speed 300r/min.The performance test results of resulting materials is in table 1.
Embodiment 7
(1) first by the wollastonite fibre of the polycarbonate resin of 700 parts, the pet resin of 200 parts, the wollastonite powder of 60 parts and 140 parts in 130 ℃ of forced air dryings 5 hours, then 60 parts of wollastonite powder, 140 parts of wollastonite fibres and dispersion agent KH5503 part are used to 1000rpm rotating speed mixing 8min in 70 ℃ of high-speed mixers, obtain wollastonite powder and the wollastonite fibre of dispersion agent processing;
(2) wollastonite powder of the dispersion agent processing obtaining in 700 parts of polycarbonate resins, 200 parts of pet resins, 80 parts of toughner, dispersion agent KH5502 part, 1 part of antioxidant 1076,2 parts of irgasfos 168s, lubricant A-C540A5 part, 3 parts of Lubricate EBSs and step (1) and wollastonite fibre being put into high-speed mixer mixes, 1000rpm rotating speed mixing 10min, obtains mixture;
(3), by step (2) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.Twin screw extruder comprises Liu Ge district, and wherein each district temperature and screw speed are respectively; One 220 ℃ of district's temperature, two 240 ℃ of district's temperature, three 255 ℃ of district's temperature, four 260 ℃ of district's temperature, five 260 ℃ of district's temperature, six 265 ℃ of district's temperature, 270 ℃ of head temperatures; Screw speed 350r/min.
Embodiment 8
(1) first by the wollastonite fibre of the polycarbonate resin of 680 parts, the pet resin of 60 parts, the wollastonite powder of 120 parts and 120 parts in 110 ℃ of forced air dryings 4 hours, then 120 parts of wollastonite powder, 120 parts of wollastonite fibres and dispersion agent KH5501.5 part are used to 1250rpm rotating speed mixing 10min in 90 ℃ of high-speed mixers, obtain wollastonite powder and the wollastonite fibre of dispersion agent processing;
(2) wollastonite powder of the dispersion agent processing obtaining in 680 parts of polycarbonate resins, 60 parts of pet resins, 20 parts of toughner, dispersion agent KH5500.5 part, 4 parts of antioxidant 1076s, 4 parts of irgasfos 168s, lubricant A-C540A1 part and step (1) and wollastonite fibre being put into high-speed mixer mixes, 1000rpm rotating speed mixing 8min, obtains mixture;
(3), by step (2) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.Twin screw extruder comprises Liu Ge district, and wherein each district temperature and screw speed are respectively: 215 ℃ of district's temperature, two 235 ℃ of district's temperature, three 245 ℃ of district's temperature, four 250 ℃ of district's temperature, five 260 ℃ of district's temperature, six 270 ℃ of district's temperature, 270 ℃ of head temperatures; Screw speed 320r/min.
Comparative example 1
(1) first by the wollastonite powder of the polycarbonate resin of 750 parts, the pet resin of 180 parts and 200 parts in 120 ℃ of forced air dryings 4 hours, then 200 parts of wollastonite powder and dispersion agent KH5501 part are used to 1000rpm rotating speed mixing 5min in 80 ℃ of high-speed mixers, obtain the wollastonite powder of dispersion agent processing;
(2) wollastonite powder of the dispersion agent processing obtaining in 750 parts of polycarbonate resins, 2 parts of 2 parts of 60 parts of pet resin, toughner, antioxidant 1076s, irgasfos 168s, oxidation inhibitor PEPQ2 part, lubricant PETS2 part, lubricant A-C540A2 part and the step (1) of 180 parts being put into high-speed mixer mixes, 1000rpm rotating speed mixing 10min, obtains mixture;
(3), by step (2) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.Twin screw extruder comprises Liu Ge district, and wherein each district temperature and screw speed are respectively: 225 ℃ of district's temperature, two 245 ℃ of district's temperature, three 255 ℃ of district's temperature, four 260 ℃ of district's temperature, five 265 ℃ of district's temperature, six 265 ℃ of district's temperature, 270 ℃ of head temperatures; Screw speed 350r/min.The performance test results of resulting materials is in table 2.
Comparative example 2
(1) first by the wollastonite powder of the polycarbonate resin of 600 parts, the pet resin of 110 parts, the wollastonite fibre of 180 parts and 20 parts in 100 ℃ of forced air dryings 5 hours, then 20 parts of wollastonite powder, 180 parts of wollastonite fibres and dispersion agent KH5502 part are used to 1200rpm rotating speed mixing 7min in 70 ℃ of high-speed mixers, obtain wollastonite powder and the wollastonite fibre of dispersion agent processing;
(2) wollastonite powder of the dispersion agent processing obtaining in 600 parts of polycarbonate resins, 80 parts of pet resin, toughner, dispersion agent KH5501 part, 3 parts of antioxidant 1076s, 2 parts of irgasfos 168s, 2 parts of Lubricate EBSs and the step (1) of 110 parts and wollastonite fibre being put into high-speed mixer mixes, 1200rpm rotating speed mixing 8min, obtains mixture;
(3), by step (2) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.Twin screw extruder comprises Liu Ge district, and wherein each district temperature and screw speed are respectively: 220 ℃ of district's temperature, two 240 ℃ of district's temperature, three 250 ℃ of district's temperature, four 255 ℃ of district's temperature, five 260 ℃ of district's temperature, six 260 ℃ of district's temperature, 265 ℃ of head temperatures; Screw speed 300r/min.The performance test results of resulting materials is in table 2.
Comparative example 3
(1) first by the wollastonite powder of the polycarbonate resin of 630 parts, the pet resin of 90 parts, the wollastonite fibre of 20 parts and 180 parts in 110 ℃ of forced air dryings 4 hours, then 180 parts of wollastonite powder, 20 parts of wollastonite fibres and dispersion agent KH5503 part are used to 800rpm rotating speed mixing 10min in 60 ℃ of high-speed mixers, obtain wollastonite powder and the wollastonite fibre of dispersion agent processing;
(2) wollastonite powder of the dispersion agent processing obtaining in 630 parts of polycarbonate resins, 70 parts of pet resin, toughner, dispersion agent KH5501 part, oxidation inhibitor PEPQ2 part, 2 parts of irgasfos 168s, lubricant A-C540A2 part and the step (1) of 90 parts and wollastonite fibre being put into high-speed mixer mixes, 1500rpm rotating speed mixing 6min, obtains mixture;
(3), by step (2) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.Twin screw extruder comprises Liu Ge district, and wherein each district temperature and screw speed are respectively: 215 ℃ of district's temperature, two 240 ℃ of district's temperature, three 250 ℃ of district's temperature, four 255 ℃ of district's temperature, five 260 ℃ of district's temperature, six 265 ℃ of district's temperature, 270 ℃ of head temperatures; Screw speed 250r/min.The performance test results of resulting materials is in table 2.
Comparative example 4
(1) first by the wollastonite fibre of the polycarbonate resin of 770 parts, the pet resin of 170 parts and 200 parts in 90 ℃ of forced air dryings 5 hours, then 200 parts of wollastonite fibres and dispersion agent KH5501.5 part are used to 850rpm rotating speed mixing 10min in 70 ℃ of high-speed mixers, obtain the wollastonite fibre of dispersion agent processing;
(2) wollastonite fibre of the dispersion agent processing obtaining in 770 parts of polycarbonate resins, 50 parts of pet resin, toughner, dispersion agent KH5500.5 part, oxidation inhibitor PEPQ3 part, 3 parts of antioxidant 1076s, lubricant A-C540A1 part, 1 part of Lubricate EBS and the step (1) of 170 parts being put into high-speed mixer mixes, 1200rpm rotating speed mixing 5min, obtains mixture;
(3), by step (2) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.Twin screw extruder comprises Liu Ge district, and wherein each district temperature and screw speed are respectively: 215 ℃ of district's temperature, two 245 ℃ of district's temperature, three 250 ℃ of district's temperature, four 260 ℃ of district's temperature, five 265 ℃ of district's temperature, six 265 ℃ of district's temperature, 270 ℃ of head temperatures; Screw speed 280r/min.The performance test results of resulting materials is in table 2.
In above-described embodiment 1-6 and comparative example 1-4, gained extruded stock grain, carries out injection moulding by ASTM respectively,
Injection moulding batten carries out performance test stablize 48h under 23 ℃, relative humidity 50% condition after, and testing standard is as follows: tensile strength is tested according to ASTM D638-2010; Flexural strength and modulus in flexure are tested according to ASTMD790-2010; Simply supported beam notched Izod impact strength is tested according to ASTM D6110-2010; Vicat softening temperature is tested according to ASTM D1525-2009.Table 1 is the performance test results of embodiment 1-6 resulting materials, and table 2 is the performance test results of comparative example 1-4 resulting materials.
Table 1
Table 2
The contrast of the performance test results from table 1 and table 2 can find out, by the performance of the PC/PET alloy material that obtains after wollastonite powder and wollastonite fibre composite, is better than the effect obtaining when wollastonite powder or wollastonite fibre use separately; This illustrates the effect producing after both composite uses, is not by simple mechanically mixing or linear superposition.Embodiment 1-6 compares with comparative example 2-3, tensile strength, flexural strength, modulus in flexure and the vicat softening temperature of embodiment 1-6 gained PC/PET alloy material all have obvious increase, show that the PC/PET alloy material by making after wollastonite powder and wollastonite fibre reasonable composite has high rigidity and high heat resistance.This phenomenon further illustrates the rational proportion of wollastonite powder and wollastonite fibre, and the rigidity on resulting materials and thermotolerance have significant impact; May be to cause because both have formed special network structure in material system.In sum, such material can be advantageously applied to the plastic components in the fields such as electronic apparatus, automobile making, household electrical appliances and office appliance that rigidity to PC/PET alloy material and thermotolerance have higher requirements.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. a high rigidity high heat resistance PC/PET alloy material, is characterized in that, this alloy material is made up of the component that comprises following weight part:
Polycarbonate resin 500～750;
Pet resin 10～210;
Wollastonite powder 60～140;
Wollastonite fibre 60～140;
Toughner 20～80;
Dispersion agent 0.5～5;
Oxidation inhibitor 1～8;
Lubricant 1～8.
2. the high rigidity high heat resistance of one according to claim 1 PC/PET alloy material, is characterized in that, described polycarbonate resin is preferably 550～700 parts, and described pet resin is preferably 10～200 parts.
3. the high rigidity high heat resistance of one according to claim 1 and 2 PC/PET alloy material, is characterized in that, the order number of described wollastonite powder is 1000～2500 orders; The length-to-diameter ratio of described wollastonite fibre is 10～20: 1.
4. the high rigidity high heat resistance of one according to claim 1 and 2 PC/PET alloy material, is characterized in that, described toughner is MBS.
5. the high rigidity high heat resistance of one according to claim 1 and 2 PC/PET alloy material, it is characterized in that, described dispersion agent is selected from least one of silane coupling agent or titanate coupling agent, preferred silane coupling agent γ-aminopropyl triethoxysilane or titanate coupling agent sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester.
6. the high rigidity high heat resistance of one according to claim 1 and 2 PC/PET alloy material, it is characterized in that, described oxidation inhibitor is selected from three (2,4-di-tert-butyl-phenyl) phosphorous acid ester, β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid Octadecane alcohol ester or four (2,4-di-tert-butyl-phenyl) one or more in-4,4 '-xenyl diphosphites.
7. the high rigidity high heat resistance of one according to claim 1 and 2 PC/PET alloy material, is characterized in that, described lubricant is selected from one or more of pentaerythritol stearate, ethylene bis stearamide or ethylene acrylic acid co polymer.
8. as a preparation method for the high rigidity high heat resistance PC/PET alloy material as described in arbitrary in claim 1～7, it is characterized in that, the method comprises the following steps:
(1) get the raw materials ready according to following component and weight part: 500～750 parts of polycarbonate resins, 10～210 parts of pet resins, 60～140 parts of wollastonite powder, 60～140 parts of wollastonite fibres, 20～80 parts of toughner, 0.5～5 part of dispersion agent, 1～8 part, oxidation inhibitor, 1～8 part of lubricant;
(2) polycarbonate resin, pet resin, wollastonite powder and wollastonite fibre are carried out to forced air drying;
(3) wollastonite powder, wollastonite fibre and 0.5～3 part of dispersion agent are mixed in high-speed mixer high speed, obtain wollastonite powder and the wollastonite fibre of dispersion agent processing;
(4) wollastonite powder of dispersion agent processing polycarbonate resin, pet resin, toughner, remaining dispersion agent, oxidation inhibitor, lubricant and step (3) being obtained and wollastonite fibre are put into high-speed mixer and are mixed, and obtain mixture;
(5), by step (4) gained mixture extruding pelletization in twin screw extruder, obtain high rigidity high heat resistance PC/PET alloy material pellet.
9. the preparation method of a kind of high rigidity high heat resistance PC/PET alloy material according to claim 8, it is characterized in that, the temperature of the forced air drying described in step (2) is 100～130 ℃, be 2～5 hours time of drying, the mixing temperature of the high-speed mixer described in step (3) is 50～90 ℃, rotating speed is 600～1500rpm, the time of mixing is 5～10min, the rotating speed of the high-speed mixer described in step (4) is 600～1500rpm, and mixing time is 5～10min.
10. the preparation method of a kind of high rigidity high heat resistance PC/PET alloy material according to claim 8, it is characterized in that, the described twin screw extruder of step (5) comprises Liu Ge district, wherein each district temperature and screw speed are respectively: 215～225 ℃ of district's temperature, two 235～245 ℃ of district's temperature, three 245～255 ℃ of district's temperature, four 250～260 ℃ of district's temperature, five 255～265 ℃ of district's temperature, six 255～265 ℃ of district's temperature, 260～275 ℃ of head temperatures; Screw speed is 250～400r/min.
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