CN104693734A - Permanently antistatic modified PC / PET composite material and preparation method thereof - Google Patents

Permanently antistatic modified PC / PET composite material and preparation method thereof Download PDF

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Publication number
CN104693734A
CN104693734A CN201310650971.6A CN201310650971A CN104693734A CN 104693734 A CN104693734 A CN 104693734A CN 201310650971 A CN201310650971 A CN 201310650971A CN 104693734 A CN104693734 A CN 104693734A
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Prior art keywords
pet
matrix material
dry
static
antistatic
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CN201310650971.6A
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Chinese (zh)
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不公告发明人
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Qingdao Jiayiyang Industry and Trade Co Ltd
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Qingdao Jiayiyang Industry and Trade Co Ltd
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Priority to CN201310650971.6A priority Critical patent/CN104693734A/en
Publication of CN104693734A publication Critical patent/CN104693734A/en
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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
    • 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
    • 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
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/017—Additives being an antistatic agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/04—Antistatic
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a permanently antistatic modified PC / PET composite material and a preparation method thereof. The permanently antistatic modified PC / PET composite material comprises the following components by weight: 50%-70% of PC, 20%-30% of PET, 1%-3% of an antistatic agent, 5%-15% of a filler, 2%-5% of a compatilizer, 0.1%-0.5% of an antioxidant and 0.5%-1% of a lubricant. The invention has the beneficial effect that the first PET is used as a carrier for the preparation of antistatic filler masterbatch, which is then for the modification of PC; and a proper amount of compatibilizer is added to increase compatibility, so that the PC / PET composite material has product surface resistance reaching 10<8>-<10> ohm, significant and durable antistatic effect; besides, the composite material gains improved mechanical strength, stiffness and thermal stability, and the production cost is reduced.

Description

Permanent anti-static modification PC/PET matrix material and preparation method thereof
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of permanent anti-static modification PC/PET matrix material and preparation method thereof.
Background technology
PC/PET matrix material (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 alloy belongs to typical amorphous/crystallization co-mixing system, and both blended consistencies are bad, causes the intensity of its alloy system bad; And very easily electrostatic is produced in production PC/PET matrix material, affect quality product, some may jeopardize personnel safety.
Summary of the invention
The object of the present invention is to provide permanent anti-static modification PC/PET matrix material that a kind of cost is low, mechanical property is good and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: permanent anti-static modification PC/PET matrix material, and its component by mass percent proportioning is: PC 50% ~ 70%, PET 20% ~ 30%, static inhibitor 1% ~ 3%, weighting agent 5% ~ 15%, compatilizer 2% ~ 5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.5% ~ 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 ~ 1.0dL/g.
Described static inhibitor is High Molecular Permanent Antistatic Agent, comprises at least one in polyethylene oxide (PEO), polyether ester amides (PEEA), polyether ester imide (PEAI).
Described weighting agent is the one in nano imvite, nano-calcium carbonate, gas phase nano silicon-dioxide, talcum powder, glass fibre, and its surface is by coupling agent activation treatment mistake, described coupling agent is selected from the one in silane coupling agent, titanate coupling agent, aluminium titanium composite coupler.
Described compatilizer is styrene-maleic anhydride copolymer (SMA), and the mass percent of its maleic anhydride contained is 10% ~ 20%.
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 calcium stearate, Zinic stearas, ethylene bis stearamide, pentaerythritol stearate.
The preparation method of above-mentioned permanent anti-static modification PC/PET matrix 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, weighting agent at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by;
(2), dry PET, static inhibitor, weighting agent, oxidation inhibitor, lubricant will be taken by weight ratio, add respectively in high-speed mixer, after making to stir 3 ~ 15 minutes together, discharging adds in twin screw extruder, extrude after melt blending at 230 DEG C ~ 280 DEG C, cooling granulation, and dry rear obtained antistatic filler parent granule, stand-by;
(3), antistatic filler parent granule obtained to the PC and step (2) that take drying is by weight ratio added in high-speed mixer, add the compatilizer taken by weight ratio simultaneously, after making to stir 3 ~ 10 minutes premixs together, discharging adds in twin screw extruder, at 240 DEG C ~ 260 DEG C through plastify blended after extrude, cooling granulation, get product.
The invention has the beneficial effects as follows, compared with prior art, the present invention by being first that carrier is prepared antistatic filler parent granule, is used further to modification PC with PET, and adding appropriate compatilizer and increases consistency, makes the product surface resistance of the PC/PET matrix material obtained reach 10 8 ~ 10Ω, its antistatic effect significantly, lastingly, but also improves the mechanical strength, rigidity, heat-resistant stability etc. in this composite system, reduces production cost, therefore, has good application prospect and obvious economic results in society.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
A kind of permanent anti-static modification PC/PET matrix material, its component in mass percent proportioning is: PC 53%, PET 25%, polyethylene oxide (PEO) 3%, surface crossed by silane coupling agent activation treatment nano imvite 15%, compatilizer 3%, Hinered phenols antioxidant 1010 and compound 0.2%, the calcium 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 20000 ~ 40000g/mol; Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 1.0dL/g; Described compatilizer is styrene-maleic anhydride copolymer (SMA), and the mass percent of its maleic anhydride contained is 10% ~ 20%.
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 nano imvite crossed by silane coupling agent activation treatment of surface at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by; (2), by the nano imvite taking dry PET by weight ratio, polyethylene oxide (PEO), surface are crossed by silane coupling agent activation treatment, Hinered phenols antioxidant 1010 and compound, the calcium stearate of phosphite ester kind antioxidant 168 in quality 1:1 ratio, add respectively in high-speed mixer, after making to stir 3 ~ 15 minutes together, discharging adds in twin screw extruder, extrude after melt blending at 230 DEG C ~ 280 DEG C, cooling granulation, and dry rear obtained antistatic filler parent granule, stand-by; (3), antistatic filler parent granule obtained to the PC and step (2) that take drying is by weight ratio added in high-speed mixer, add the compatilizer taken by weight ratio simultaneously, after making to stir 3 ~ 10 minutes premixs together, discharging adds in twin screw extruder, at 240 DEG C ~ 260 DEG C through plastify blended after extrude, cooling granulation, get product.
Embodiment 2:
A kind of permanent anti-static modification PC/PET matrix material, its component in mass percent proportioning is: PC 55%, PET 28%, polyether ester amides (PEEA) 2%, surface crossed by titanate coupling agent activation treatment nano-calcium carbonate 10%, compatilizer 4%, 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 20000 ~ 40000g/mol; Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 1.0dL/g; Described compatilizer is styrene-maleic anhydride copolymer (SMA), and the mass percent of its maleic anhydride contained is 10% ~ 20%.
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 nano-calcium carbonate crossed by titanate coupling agent activation treatment of surface at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by; (2), by the nano-calcium carbonate taking dry PET by weight ratio, polyether ester amides (PEEA), surface are crossed by titanate coupling agent activation treatment, Hinered phenols antioxidant 1076 and compound, the pentaerythritol stearate of phosphite ester kind antioxidant 168 in quality 1:1 ratio, add respectively in high-speed mixer, after making to stir 3 ~ 15 minutes together, discharging adds in twin screw extruder, extrude after melt blending at 230 DEG C ~ 280 DEG C, cooling granulation, and dry rear obtained antistatic filler parent granule, stand-by; (3), antistatic filler parent granule obtained to the PC and step (2) that take drying is by weight ratio added in high-speed mixer, add the compatilizer taken by weight ratio simultaneously, after making to stir 3 ~ 10 minutes premixs together, discharging adds in twin screw extruder, at 240 DEG C ~ 260 DEG C through plastify blended after extrude, cooling granulation, get product.

Claims (6)

1. a permanent anti-static modification PC/PET matrix material, it is characterized in that, its component by mass percent proportioning is: PC 50% ~ 70%, PET 20% ~ 30%, static inhibitor 1% ~ 3%, weighting agent 5% ~ 15%, compatilizer 2% ~ 5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.5% ~ 1%.
2. permanent anti-static modification PC/PET matrix material according to claim 1, it is characterized in that, described static inhibitor is High Molecular Permanent Antistatic Agent, comprises at least one in polyethylene oxide (PEO), polyether ester amides (PEEA), polyether ester imide (PEAI).
3. permanent anti-static modification PC/PET matrix material according to claim 1, it is characterized in that, described weighting agent is the one in nano imvite, nano-calcium carbonate, gas phase nano silicon-dioxide, talcum powder, glass fibre, and its surface is by coupling agent activation treatment mistake, described coupling agent is selected from the one in silane coupling agent, titanate coupling agent, aluminium titanium composite coupler.
4. permanent anti-static modification PC/PET matrix material according to claim 1, is characterized in that, described compatilizer is styrene-maleic anhydride copolymer (SMA), and the mass percent of its maleic anhydride contained is 10% ~ 20%.
5. permanent anti-static modification PC/PET matrix material according to claim 1, it is characterized in that, described lubricant is the one in calcium stearate, Zinic stearas, ethylene bis stearamide, pentaerythritol stearate.
6. the preparation method of permanent anti-static modification PC/PET matrix 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, weighting agent at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by;
(2), dry PET, static inhibitor, weighting agent, oxidation inhibitor, lubricant will be taken by weight ratio, add respectively in high-speed mixer, after making to stir 3 ~ 15 minutes together, discharging adds in twin screw extruder, extrude after melt blending at 230 DEG C ~ 280 DEG C, cooling granulation, and dry rear obtained antistatic filler parent granule, stand-by;
(3), antistatic filler parent granule obtained to the PC and step (2) that take drying is by weight ratio added in high-speed mixer, add the compatilizer taken by weight ratio simultaneously, after making to stir 3 ~ 10 minutes premixs together, discharging adds in twin screw extruder, at 240 DEG C ~ 260 DEG C through plastify blended after extrude, cooling granulation, get product.
CN201310650971.6A 2013-12-08 2013-12-08 Permanently antistatic modified PC / PET composite material and preparation method thereof Pending CN104693734A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112724637A (en) * 2020-12-30 2021-04-30 上海聚威新材料股份有限公司 Mineral-filled permanent antistatic PC/PBT composite material and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112724637A (en) * 2020-12-30 2021-04-30 上海聚威新材料股份有限公司 Mineral-filled permanent antistatic PC/PBT composite material and preparation method thereof

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Application publication date: 20150610