CN104693747A - PC/PBT alloy with anti-electrostatic aging-resistant property - Google Patents
PC/PBT alloy with anti-electrostatic aging-resistant property Download PDFInfo
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- CN104693747A CN104693747A CN201310660521.5A CN201310660521A CN104693747A CN 104693747 A CN104693747 A CN 104693747A CN 201310660521 A CN201310660521 A CN 201310660521A CN 104693747 A CN104693747 A CN 104693747A
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- pbt
- pbt alloy
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- resistant performance
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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
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- 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
- C08K2201/011—Nanostructured additives
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- 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
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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
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- 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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a PC/PBT alloy with anti-electrostatic aging-resistant property. The PC/PBT alloy comprises the following components in percentage by mass: 40-70% of PC, 20-40% of PBT, 1-3% of an anti-electrostatic agent, 0.5-2% of an anti-aging agent, 5-15% of a filling agent, 0.1-1% of triphenyl phosphite, 1-3% of a bulking agent, 0.1-0.5% of an antioxidant and 0.1-1.5% of a lubricant. The PC/PBT alloy has the beneficial effects that the mechanical property, the thermal resistance and the processing property of a PC/PBT alloy system can be improved by using a two-step extrusion method, the PC/PBT commixing modification effect is good, the cost is low, the industrial production can be facilitated, and the PC/PBT alloy disclosed by the invention is good in anti-electrostatic property and aging-resistant property and can be widely applied to fields such as the automobile industry, the electronic device industry, the optical meter industry, the medical instrument industry and the domestic electric appliance industry.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of PC/PBT alloy with antistatic ageing-resistant performance.
Background technology
PC/PBT alloy (polycarbonate/polybutylene terephthalate) has high thermotolerance, and good impact property, processibility and chemical proofing etc. are a kind of engineering plastics that industrial using value is higher.In order to improve the mechanical property, improvement processing characteristics etc. of PC/PBT alloy further, often need introduce a small amount of three components in this alloy system, being intended to the alloy material obtaining having much practical value.Because PC/PBT alloy is in production, storage and use, very easily produces accumulation of static electricity and cause the bad phenomenon such as electrostatic precipitation, static discharge, can spark be produced time serious, cause fire or blast etc.; And the same with other engineering plastics, PC/PBT performance degenerates gradually due to the comprehensive action by its internal and external factor, aging, and therefore, it is necessary for PC/PBT alloy being carried out to the aspect modifications such as antistatic, ageing-resistant performance.
Summary of the invention
The object of the present invention is to provide the PC/PBT alloy with antistatic ageing-resistant performance of a kind of good mechanical performance, good processability.
The technical solution adopted for the present invention to solve the technical problems is: the PC/PBT alloy with antistatic ageing-resistant performance, and its component by mass percent proportioning is: PC 40% ~ 70%, PBT 20% ~ 40%, static inhibitor 1% ~ 3%, antiager 0.5% ~ 2%, weighting agent 5% ~ 15%, triphenyl phosphite 0.1% ~ 1%, expanding material 1% ~ 3%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1.5%.
Described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 35000g/mol.
Described PBT is polybutylene terephthalate.
Described static inhibitor is the non-ionic antistatic agent glycerol monostearate (GMS) of mass ratio 1:1 and the compound of anionic antistatic agent alkyl sodium sulfonate.
Described antiager is the compound of hindered amine as light stabilizer HS-944 and HS-622 of mass ratio 1:1.
Described weighting agent is the one in the nano-calcium carbonate of surface after coupling agent activation treatment, talcum powder, process white, nano imvite, alkali free glass fibre, and described coupling agent is the one in silane coupling agent, titanate coupling agent, aluminium titanium composite coupler.
Described expanding material is ethylene-acrylate-glycidyl methacrylate copolymer.
Described oxidation inhibitor is the one in the compound of antioxidant 1010, antioxidant 1076, antioxidant 1010 or antioxidant 1076 and irgasfos 168 1:1 in mass ratio.
Described dispersion agent is the one in EVA wax, TAS-2A, PETS, TAF.
The above-mentioned preparation method with the PC/PBT alloy of antistatic ageing-resistant performance, comprises the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT 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), by taking dry PBT by weight ratio, static inhibitor, antiager, weighting agent, oxidation inhibitor, lubricant add in high-speed mixer, after to make to stir together 3 ~ 15 minutes all mixed, discharging add in twin screw extruder carry out melt extruding, cooling granulation, and stand-by after drying;
(3), the product taking dry PC and step (2) is by weight ratio added in high-speed mixer, add the triphenyl phosphite and expanding material that take by weight ratio simultaneously, after to make to stir together 3 ~ 15 minutes all mixed, discharging adds in twin screw extruder, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain the PC/PBT alloy with antistatic ageing-resistant performance of the present invention.
The invention has the beneficial effects as follows, compared with prior art, the present invention adopts two step extrusion moldings can improve mechanical property, the resistance toheat and processing characteristics etc. of PC/PBT alloy system, and effective to PC/PBT blending and modifying, cost is low, be conducive to suitability for industrialized production, the PC/PBT alloy that the present invention obtains has good antistatic property and ageing-resistant performance, can be widely used in the fields such as automotive industry, electronic apparatus, optical instruments, medicine equipment, household electrical appliances.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
Have a PC/PBT alloy for antistatic ageing-resistant performance, its component by mass percent proportioning is: PC 51%, PBT 30%, static inhibitor 3%, antiager 2%, nano-calcium carbonate 10%, triphenyl phosphite 1%, ethylene-acrylate-glycidyl methacrylate copolymer 2%, antioxidant 1010 0.2%, the TAS-2A 0.8% of surface after titanate coupling agent activation treatment.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 35000g/mol; Described PBT is polybutylene terephthalate; Described static inhibitor is the non-ionic antistatic agent glycerol monostearate (GMS) of mass ratio 1:1 and the compound of anionic antistatic agent alkyl sodium sulfonate; Described antiager is the compound of hindered amine as light stabilizer HS-944 and HS-622 of mass ratio 1:1.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, the nano-calcium carbonate of surface after titanate coupling agent activation treatment at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by; (2), by taking dry PBT by weight ratio, static inhibitor, antiager, the nano-calcium carbonate of surface after titanate coupling agent activation treatment, antioxidant 1010, TAS-2A add in high-speed mixer, after to make to stir together 3 ~ 15 minutes all mixed, discharging add in twin screw extruder carry out melt extruding, cooling granulation, and stand-by after drying; (3), the product taking dry PC and step (2) is by weight ratio added in high-speed mixer, add the triphenyl phosphite and ethylene-acrylate-glycidyl methacrylate copolymer that take by weight ratio simultaneously, after to make to stir together 3 ~ 15 minutes all mixed, discharging adds in twin screw extruder, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain the PC/PBT alloy with antistatic ageing-resistant performance of the present invention.
Embodiment 2:
Have a PC/PBT alloy for antistatic ageing-resistant performance, its component by mass percent proportioning is: compound 0.3%, the PETS 1.2% of PC 55%, PBT 25%, static inhibitor 3%, antiager 1.5%, process white 10%, triphenyl phosphite 1%, ethylene-acrylate-glycidyl methacrylate copolymer 3%, antioxidant 1010 and the irgasfos 168 of surface after aluminium titanium composite coupler activation treatment 1:1 in mass ratio.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 35000g/mol; Described PBT is polybutylene terephthalate; Described static inhibitor is the non-ionic antistatic agent glycerol monostearate (GMS) of mass ratio 1:1 and the compound of anionic antistatic agent alkyl sodium sulfonate; Described antiager is the compound of hindered amine as light stabilizer HS-944 and HS-622 of mass ratio 1:1.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, the process white of surface after aluminium titanium composite coupler activation treatment at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by; (2), by taking dry PBT, static inhibitor, antiager, process white, antioxidant 1010 and the irgasfos 168 of surface after aluminium titanium composite coupler activation treatment by weight ratio, the compound of 1:1, PETS add in high-speed mixer in mass ratio, after to make to stir together 3 ~ 15 minutes all mixed, discharging add in twin screw extruder carry out melt extruding, cooling granulation, and stand-by after drying; (3), the product taking dry PC and step (2) is by weight ratio added in high-speed mixer, add the triphenyl phosphite and ethylene-acrylate-glycidyl methacrylate copolymer that take by weight ratio simultaneously, after to make to stir together 3 ~ 15 minutes all mixed, discharging adds in twin screw extruder, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain the PC/PBT alloy with antistatic ageing-resistant performance of the present invention.
Claims (6)
1. one kind has the PC/PBT alloy of antistatic ageing-resistant performance, it is characterized in that, its component by mass percent proportioning is: PC 40% ~ 70%, PBT 20% ~ 40%, static inhibitor 1% ~ 3%, antiager 0.5% ~ 2%, weighting agent 5% ~ 15%, triphenyl phosphite 0.1% ~ 1%, expanding material 1% ~ 3%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1.5%.
2. the PC/PBT alloy with antistatic ageing-resistant performance according to claim 1, it is characterized in that, described static inhibitor is the non-ionic antistatic agent glycerol monostearate (GMS) of mass ratio 1:1 and the compound of anionic antistatic agent alkyl sodium sulfonate.
3. the PC/PBT alloy with antistatic ageing-resistant performance according to claim 1, is characterized in that, described antiager is the compound of hindered amine as light stabilizer HS-944 and HS-622 of mass ratio 1:1.
4. the PC/PBT alloy with antistatic ageing-resistant performance according to claim 1, it is characterized in that, described weighting agent is the one in the nano-calcium carbonate of surface after coupling agent activation treatment, talcum powder, process white, nano imvite, alkali free glass fibre, and described coupling agent is the one in silane coupling agent, titanate coupling agent, aluminium titanium composite coupler.
5. the PC/PBT alloy with antistatic ageing-resistant performance according to claim 1, is characterized in that, described expanding material is ethylene-acrylate-glycidyl methacrylate copolymer.
6. the preparation method with the PC/PBT alloy of antistatic ageing-resistant performance 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, PBT 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), by taking dry PBT by weight ratio, static inhibitor, antiager, weighting agent, oxidation inhibitor, lubricant add in high-speed mixer, after to make to stir together 3 ~ 15 minutes all mixed, discharging add in twin screw extruder carry out melt extruding, cooling granulation, and stand-by after drying;
(3), the product taking dry PC and step (2) is by weight ratio added in high-speed mixer, add the triphenyl phosphite and expanding material that take by weight ratio simultaneously, after to make to stir together 3 ~ 15 minutes all mixed, discharging adds in twin screw extruder, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain the PC/PBT alloy with antistatic ageing-resistant performance of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310660521.5A CN104693747A (en) | 2013-12-10 | 2013-12-10 | PC/PBT alloy with anti-electrostatic aging-resistant property |
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| CN201310660521.5A CN104693747A (en) | 2013-12-10 | 2013-12-10 | PC/PBT alloy with anti-electrostatic aging-resistant property |
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| CN104693747A true CN104693747A (en) | 2015-06-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398101A (en) * | 2016-09-30 | 2017-02-15 | 美的集团股份有限公司 | Antistatic easy-to-clean material and preparation method thereof |
| CN106398100A (en) * | 2016-09-30 | 2017-02-15 | 美的集团股份有限公司 | Anti-static and easy-to-clean material and preparation method thereof |
| CN106479109A (en) * | 2016-09-30 | 2017-03-08 | 美的集团股份有限公司 | A kind of antistatic non-sticky putty material and preparation method thereof |
-
2013
- 2013-12-10 CN CN201310660521.5A patent/CN104693747A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398101A (en) * | 2016-09-30 | 2017-02-15 | 美的集团股份有限公司 | Antistatic easy-to-clean material and preparation method thereof |
| CN106398100A (en) * | 2016-09-30 | 2017-02-15 | 美的集团股份有限公司 | Anti-static and easy-to-clean material and preparation method thereof |
| CN106479109A (en) * | 2016-09-30 | 2017-03-08 | 美的集团股份有限公司 | A kind of antistatic non-sticky putty material and preparation method thereof |
| CN106398100B (en) * | 2016-09-30 | 2020-02-21 | 美的集团股份有限公司 | Antistatic easy-cleaning material and preparation method thereof |
| CN106479109B (en) * | 2016-09-30 | 2020-04-24 | 美的集团股份有限公司 | Antistatic non-dusting material and preparation method thereof |
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Application publication date: 20150610 |