CN104710744A - Toughened modified PC/PET alloy material with high impact resistant performance and preparation method thereof - Google Patents

Toughened modified PC/PET alloy material with high impact resistant performance and preparation method thereof Download PDF

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Publication number
CN104710744A
CN104710744A CN201310673426.9A CN201310673426A CN104710744A CN 104710744 A CN104710744 A CN 104710744A CN 201310673426 A CN201310673426 A CN 201310673426A CN 104710744 A CN104710744 A CN 104710744A
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China
Prior art keywords
pet
alloy material
calcium carbonate
high impact
pet alloy
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CN201310673426.9A
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Chinese (zh)
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不公告发明人
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Qingdao Tongchuang Energy Saving Environmental Protection Engineering Co Ltd
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Qingdao Tongchuang Energy Saving Environmental Protection Engineering Co Ltd
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Priority to CN201310673426.9A priority Critical patent/CN104710744A/en
Publication of CN104710744A publication Critical patent/CN104710744A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/02Making granules by dividing preformed material
    • B29B9/06Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/003Additives being defined by their diameter
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer 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 toughened modified PC/PET alloy material with a high impact resistant performance and a preparation method thereof. The PC/PET alloy material is composed of the following components in percentage by weight: 40 to 70% of PC, 15 to 30% of PET, 5 to 15% of calcium carbonate particle, 5 to 10% of high molecular elastomer graft, 1 to 5% of compatilizer, 0.5 to 1.5% of coupling agent, 0.1 to 0.5% of antioxidant, and 0.1 to 1% of lubricant. Compared with the prior art, the high molecular elastomer graft is taken as the toughening agent and is co-used with calcium carbonate particles, which have been subjected to surface activation, to toughen and enhance PC/PET alloy. The original excellent performances of alloy system are not affected, at the same time, the tensile strength, impact resistant strength and thermal stability of the alloy are greatly improved, and furthermore, the alloy has the advantages of good processability, and excellent electric properties, and can be widely applied to the fields such as electronics, communications, household appliances, automobiles, machinery, medical apparatus, and the like.

Description

Toughness reinforcing high impact modified PC/PET alloy material and preparation method thereof
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of toughness reinforcing high impact modified PC/PET alloy material and preparation method thereof.
Background technology
Polycarbonate resin (PC) is a kind of excellent engineering plastics, not only has outstanding shock strength and creep resistant, higher thermotolerance and dimensional stability, and has good light transmission.But PC also has some defect while having these excellent over-all propertieies, as being easy to stress cracking, wearing and tearing, aging and chemical resistant properties is poor, processing fluidity is poor.And PC/PET alloy material can improve stress cracking and the processing flowability of PC to a certain extent.If add suitable toughner and toughener in blending and modifying process, will produce the mechanical property of material and significantly improve, but also be conducive to the consistency improving both PC and PET.
Summary of the invention
The object of the present invention is to provide a kind of toughness reinforcing high impact modified PC/PET alloy material and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: toughness reinforcing high impact modified PC/PET alloy material, and its component by mass percent proportioning is: PC 40% ~ 70%, PET 15% ~ 30%, calcium carbonate particles 5% ~ 15%, macromolecular elastomer grafts 5% ~ 10%, compatilizer 1% ~ 5%, coupling agent 0.5% ~ 1.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 18000 ~ 35000g/mol.
Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 1.0dL/g.
Described calcium carbonate particles is the water-ground limestone that particle diameter is less than 5 μm.
Described macromolecular elastomer grafts is the one in ethylene-octene copolymer grafted maleic anhydride (POE-g-MAH), styrene-ethylene-butylene-styrene block copolymer grafted maleic anhydride (SEBS-g-MAH), maleic anhydride graft terpolymer EP rubber (EPDM-g-MAH), ethylene-octene copolymer graft glycidyl methacrylate (POE-g-GMA), glycidyl methacrylate graft terpolymer EP rubber (EPDM-g-GMA).
Described compatilizer is ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer (E-MA-GMA).
Described coupling agent is titanate coupling agents.
Described oxidation inhibitor is Hinered phenols antioxidant 1010 or 1076 and phosphite ester kind antioxidant 168 compound in quality 1:1 ratio.
Described lubricant is the one in silicone powder, ethylene bis stearic amide, pentaerythritol stearate.
The preparation method of above-mentioned a kind of toughness reinforcing high impact modified PC/PET alloy material, 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, calcium carbonate particles at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by;
(2), dry calcium carbonate particles 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 5 ~ 40 minutes at 100 DEG C ~ 120 DEG C temperature, obtain activated calcium carbonate particle, then be cooled to lower than 40 DEG C of dischargings, stand-by;
(3), dry PC and PET will be taken by weight ratio, add in high-speed mixer, stir 2 ~ 4 minutes, then the activated calcium carbonate particle that step (2) obtains is added, add the macromolecular elastomer grafts, compatilizer, oxidation inhibitor, the lubricant that take by weight ratio simultaneously, continue stirring 3 ~ 15 minutes, make fully to mix rear discharging, stand-by;
(4), the compound of step (3) is added in twin screw extruder, at 230 DEG C ~ 260 DEG C blended melting extrude after 1 ~ 3 minute, cooling granulation, get product.
The invention has the beneficial effects as follows, compared with prior art, the present invention adopts macromolecular elastomer grafts as toughner, and share toughened reinforced PC/PET alloy with the calcium carbonate particles after surface active, while not affecting the original premium properties of alloy system, greatly improve its tensile strength, resistance to impact shock and thermostability etc., and processibility is good, electrical property is good, can be widely used in the fields such as electronics, communication, household electrical appliance, automobile, machinery and medicine equipment.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of toughness reinforcing high impact modified PC/PET alloy material, its component in mass percent proportioning is: PC 40%, PET 30%, particle diameter be less than 5 μm water-ground limestone 15%, ethylene-octene copolymer grafted maleic anhydride (POE-g-MAH) 10%, ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer (E-MA-GMA) 2.5%, titanate coupling agents 1.5%, Hinered phenols antioxidant 1010 and compound 0.2%, the ethylene bis stearic amide 0.8% of phosphite ester kind antioxidant 168 in quality 1:1 ratio.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 18000 ~ 35000g/mol; Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 1.0dL/g.
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 that particle diameter is less than 5 μm at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by, (2) water-ground limestone and titanate coupling agents that dry particle diameter is less than 5 μm, 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 5 ~ 40 minutes at 100 DEG C ~ 120 DEG C temperature, obtain activating water-ground limestone, then be cooled to lower than 40 DEG C of dischargings, stand-by, (3), dry PC and PET will be taken by weight ratio, add in high-speed mixer, stir 2 ~ 4 minutes, then the activation water-ground limestone that step (2) obtains is added, add the ethylene-octene copolymer grafted maleic anhydride (POE-g-MAH) taken by weight ratio simultaneously, ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer (E-MA-GMA), Hinered phenols antioxidant 1010 and the compound of phosphite ester kind antioxidant 168 in quality 1:1 ratio, ethylene bis stearic amide, continue stirring 3 ~ 15 minutes, make fully to mix rear discharging, stand-by, (4), the compound of step (3) is added in twin screw extruder, at 230 DEG C ~ 260 DEG C blended melting extrude after 1 ~ 3 minute, cooling granulation, get product.
Embodiment 2:
A kind of toughness reinforcing high impact modified PC/PET alloy material, its component in mass percent proportioning is: PC 55%, PET 23%, particle diameter be less than 5 μm water-ground limestone 10%, styrene-ethylene-butylene-styrene block copolymer grafted maleic anhydride (SEBS-g-MAH) 5%, ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer (E-MA-GMA) 5%, titanate coupling agents 1%, Hinered phenols antioxidant 1076 and compound 0.2%, the pentaerythritol stearate 0.8% of phosphite ester kind antioxidant 168 in quality 1:1 ratio.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 18000 ~ 35000g/mol; Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 1.0dL/g.
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 that particle diameter is less than 5 μm at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by, (2) water-ground limestone and titanate coupling agents that dry particle diameter is less than 5 μm, 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 5 ~ 40 minutes at 100 DEG C ~ 120 DEG C temperature, obtain activating water-ground limestone, then be cooled to lower than 40 DEG C of dischargings, stand-by, (3), dry PC and PET will be taken by weight ratio, add in high-speed mixer, stir 2 ~ 4 minutes, then the activation water-ground limestone that step (2) obtains is added, add the styrene-ethylene-butylene-styrene block copolymer grafted maleic anhydride (SEBS-g-MAH) taken by weight ratio simultaneously, ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer (E-MA-GMA), Hinered phenols antioxidant 1010 and the compound of phosphite ester kind antioxidant 168 in quality 1:1 ratio, pentaerythritol stearate, continue stirring 3 ~ 15 minutes, make fully to mix rear discharging, stand-by, (4), the compound of step (3) is added in twin screw extruder, at 230 DEG C ~ 260 DEG C blended melting extrude after 1 ~ 3 minute, cooling granulation, get product.

Claims (6)

1. a toughness reinforcing high impact modified PC/PET alloy material, it is characterized in that, its component by mass percent proportioning is: PC 40% ~ 70%, PET 15% ~ 30%, calcium carbonate particles 5% ~ 15%, macromolecular elastomer grafts 5% ~ 10%, compatilizer 1% ~ 5%, coupling agent 0.5% ~ 1.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. toughness reinforcing high impact modified PC/PET alloy material according to claim 1, it is characterized in that, described calcium carbonate particles is the water-ground limestone that particle diameter is less than 5 μm.
3. toughness reinforcing high impact modified PC/PET alloy material according to claim 1, it is characterized in that, described macromolecular elastomer grafts is the one in ethylene-octene copolymer grafted maleic anhydride (POE-g-MAH), styrene-ethylene-butylene-styrene block copolymer grafted maleic anhydride (SEBS-g-MAH), maleic anhydride graft terpolymer EP rubber (EPDM-g-MAH), ethylene-octene copolymer graft glycidyl methacrylate (POE-g-GMA), glycidyl methacrylate graft terpolymer EP rubber (EPDM-g-GMA).
4. toughness reinforcing high impact modified PC/PET alloy material according to claim 1, is characterized in that, described compatilizer is ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer (E-MA-GMA).
5. toughness reinforcing high impact modified PC/PET alloy material according to claim 1, it is characterized in that, described lubricant is the one in silicone powder, ethylene bis stearic amide, pentaerythritol stearate.
6. the preparation method of toughness reinforcing high impact modified PC/PET alloy material 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, calcium carbonate particles at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by;
(2), dry calcium carbonate particles 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 5 ~ 40 minutes at 100 DEG C ~ 120 DEG C temperature, obtain activated calcium carbonate particle, then be cooled to lower than 40 DEG C of dischargings, stand-by;
(3), dry PC and PET will be taken by weight ratio, add in high-speed mixer, stir 2 ~ 4 minutes, then the activated calcium carbonate particle that step (2) obtains is added, add the macromolecular elastomer grafts, compatilizer, oxidation inhibitor, the lubricant that take by weight ratio simultaneously, continue stirring 3 ~ 15 minutes, make fully to mix rear discharging, stand-by;
(4), the compound of step (3) is added in twin screw extruder, at 230 DEG C ~ 260 DEG C blended melting extrude after 1 ~ 3 minute, cooling granulation, get product.
CN201310673426.9A 2013-12-13 2013-12-13 Toughened modified PC/PET alloy material with high impact resistant performance and preparation method thereof Pending CN104710744A (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107083041A (en) * 2017-05-15 2017-08-22 五行科技股份有限公司 A kind of poly carbonate resin composition and preparation method with metal effect
CN111393823A (en) * 2020-04-22 2020-07-10 福州大学 Gn-PET/PC alloy with excellent mechanical property and preparation method thereof
CN111718571A (en) * 2019-03-22 2020-09-29 汉达精密电子(昆山)有限公司 High-impact PC/PLA alloy material
CN114933787A (en) * 2022-06-01 2022-08-23 宁波金富亮塑料科技有限公司 Matte PET modified material and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107083041A (en) * 2017-05-15 2017-08-22 五行科技股份有限公司 A kind of poly carbonate resin composition and preparation method with metal effect
CN111718571A (en) * 2019-03-22 2020-09-29 汉达精密电子(昆山)有限公司 High-impact PC/PLA alloy material
CN111393823A (en) * 2020-04-22 2020-07-10 福州大学 Gn-PET/PC alloy with excellent mechanical property and preparation method thereof
CN114933787A (en) * 2022-06-01 2022-08-23 宁波金富亮塑料科技有限公司 Matte PET modified material and preparation method thereof

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Application publication date: 20150617

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