CN104710753A - Low temperature resistant PC/PET alloy - Google Patents
Low temperature resistant PC/PET alloy Download PDFInfo
- Publication number
- CN104710753A CN104710753A CN201310673439.6A CN201310673439A CN104710753A CN 104710753 A CN104710753 A CN 104710753A CN 201310673439 A CN201310673439 A CN 201310673439A CN 104710753 A CN104710753 A CN 104710753A
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- low temperature
- temperature resistant
- pet
- pet alloy
- alloy according
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- 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 low temperature resistant PC/PET alloy, which is composed of the following components in percentage by weight: 30 to 60% of PC, 15 to 30% of PET, 2 to 10% of flexibilizer, 2 to 10% of reinforcing agent, 1 to 3% of low temperature resistant modifier, 2 to 4% of compatilizer, 0.5 to 2% of stabilizing agent, 0.1 to 0.5% of antioxidant, 0.1 to 1.5% of lubricant, and 5 to 10% of flame retardant. The low temperature resistant PC/PET alloy has the excellent performance of PC and PET, also has the advantages of excellent low temperature resistant performance and flame retardant performance, high strength, good toughness, and low cost, and has a good prospect and development space in the fields such as automobile, electronics, construction, and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of low temperature resistant PC/PET alloy.
Background technology
PC/PET alloy (polycarbonate/polyethylene terephthalate) is a kind of engineering plastics of excellent performance, all can use, such as, be applied to the fields such as electronic apparatus, automotive industry, machinery, optical instruments, medicine, building in a lot of occasion.But because PC is non-crystalline polymer, PET is crystalline polymer, PC/PET alloy belongs to typical amorphous/crystalline co-mixing system, and both consistencies are bad, and cause its mechanical property low, resistance to low temperature is poor.
Summary of the invention
The object of the present invention is to provide low temperature resistant PC/PET alloy that a kind of mechanical property is good.
The technical solution adopted for the present invention to solve the technical problems is: a kind of low temperature resistant PC/PET alloy, and its component by mass percent proportioning is: PC 30% ~ 60%, PET 15% ~ 30%, toughner 2% ~ 10%, toughener 2% ~ 10%, low temperature resistant properties-correcting agent 1% ~ 3%, compatilizer 2% ~ 4%, stablizer 0.5% ~ 2%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1.5%, fire retardant 5% ~ 10%.
Described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.
Described PET is polyethylene terephthalate.
Described toughner is MBS ternary graft copolymer.
Described toughener is the gas phase nano silicon-dioxide of surface activation process.
Described low temperature resistant properties-correcting agent is the one in polysiloxane copolymer, organo-siloxane, phenmethyl silicone.
Described compatilizer is ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer.
Described stablizer is hindered amines stabilizer GW-944Z.
Described oxidation inhibitor is the Hinered phenols antioxidant 1076 of mass ratio 1:2 and the compound of phosphite ester kind antioxidant 168.
Described lubricant is the one in pentaerythritol stearate, silicone powder, ethylene bis stearamide.
Described fire retardant is dihydroxyphenyl propane-bis-(diphenyl phosphate) of mass ratio 5:1 and the compound of nanometer polytetrafluoroethylcomposite.
The preparation method of a kind of low temperature resistant PC/PET alloy of the present invention, 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, stand-by;
(2), dry PET, low temperature resistant properties-correcting agent, stablizer, oxidation inhibitor, lubricant, fire retardant will be taken by weight ratio, add respectively in high-speed mixer, and after to make to stir together 2 ~ 10 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 toughner, toughener and the compatilizer 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 a kind of low temperature resistant PC/PET alloy of the present invention.
The invention has the beneficial effects as follows, the present invention with PC, PET separately excellent properties simultaneously, there is excellent resistance to low temperature and flame retardant properties, and intensity is high, good toughness, cost is low, and in the fields such as automobile, electronic apparatus, building, application has good prospect and development space.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
A kind of low temperature resistant PC/PET alloy, its component by mass percent proportioning is: PC 40%, PET 20%, MBS ternary graft copolymer 10%, the gas phase nano silica 1 0% of surface activation process, phenmethyl silicone 3%, ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer 4%, hindered amines stabilizer GW-944Z 1.5%, the Hinered phenols antioxidant 1076 of mass ratio 1:2 and the compound 0.3% of phosphite ester kind antioxidant 168, ethylene bis stearamide 1.2%, dihydroxyphenyl propane-bis-(diphenyl phosphate) of mass ratio 5:1 and the compound 10% of nanometer polytetrafluoroethylcomposite.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PET is polyethylene terephthalate.
Its preparation method is: (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, stand-by; (2), dry PET, phenmethyl silicone, hindered amines stabilizer GW-944Z, the compound of Hinered phenols antioxidant 1076 and phosphite ester kind antioxidant 168 of mass ratio 1:2, ethylene bis stearamide, dihydroxyphenyl propane-bis-(diphenyl phosphate) of mass ratio 5:1 and the compound of nanometer polytetrafluoroethylcomposite will be taken by weight ratio, add respectively in high-speed mixer, and after to make to stir together 2 ~ 10 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 MBS ternary graft copolymer, the gas phase nano silicon-dioxide of surface activation process, the ethylene-ethylacrylate-glycidyl methacrylate triblock 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 a kind of low temperature resistant PC/PET alloy of the present invention.
Claims (5)
1. low temperature resistant PC/PET alloy, it is characterized in that, its component by mass percent proportioning is: PC 30% ~ 60%, PET 15% ~ 30%, toughner 2% ~ 10%, toughener 2% ~ 10%, low temperature resistant properties-correcting agent 1% ~ 3%, compatilizer 2% ~ 4%, stablizer 0.5% ~ 2%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1.5%, fire retardant 5% ~ 10%.
2. a kind of low temperature resistant PC/PET alloy according to claim 1, is characterized in that, described toughner is MBS ternary graft copolymer.
3. a kind of low temperature resistant PC/PET alloy according to claim 1, is characterized in that, described toughener is the gas phase nano silicon-dioxide of surface activation process.
4. a kind of low temperature resistant PC/PET alloy according to claim 1, is characterized in that, described low temperature resistant properties-correcting agent is the one in polysiloxane copolymer, organo-siloxane, phenmethyl silicone.
5. a kind of low temperature resistant PC/PET alloy according to claim 1, is characterized in that, described fire retardant is dihydroxyphenyl propane-bis-(diphenyl phosphate) of mass ratio 5:1 and the compound of nanometer polytetrafluoroethylcomposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310673439.6A CN104710753A (en) | 2013-12-13 | 2013-12-13 | Low temperature resistant PC/PET alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310673439.6A CN104710753A (en) | 2013-12-13 | 2013-12-13 | Low temperature resistant PC/PET alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104710753A true CN104710753A (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310673439.6A Pending CN104710753A (en) | 2013-12-13 | 2013-12-13 | Low temperature resistant PC/PET alloy |
Country Status (1)
| Country | Link |
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| CN (1) | CN104710753A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221141A (en) * | 2016-08-08 | 2016-12-14 | 陆志强 | A kind of PET composition for Packaging Bottle and manufacture method thereof |
-
2013
- 2013-12-13 CN CN201310673439.6A patent/CN104710753A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221141A (en) * | 2016-08-08 | 2016-12-14 | 陆志强 | A kind of PET composition for Packaging Bottle and manufacture method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150617 |
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| WD01 | Invention patent application deemed withdrawn after publication |