CN104725814A - PC-PET blended alloy and preparation method thereof - Google Patents
PC-PET blended alloy and preparation method thereof Download PDFInfo
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- CN104725814A CN104725814A CN201310715776.7A CN201310715776A CN104725814A CN 104725814 A CN104725814 A CN 104725814A CN 201310715776 A CN201310715776 A CN 201310715776A CN 104725814 A CN104725814 A CN 104725814A
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- 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
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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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2205/035—Polymer 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 PC-PET blended alloy and a preparation method thereof. The PC-PET blended alloy comprises, by mass, 40-60% of bisphenol A aromatic polycarbonate, 20-40% of polyethylene glycol terephthalate, 5-10% of polyolefin elastomer graft, 2-5% of nanometer montmorillonite, 3-10% of a fire retardant, 1-3% of a compatilizer, 0.1-0.5% of an aluminum-titanium composite coupling agent, 0.1-0.5% of an anti-oxidant and 0.1-1% of a lubricant. The PC-PET blended alloy has comprehensive mechanical properties such as good notch impact strength, tensile strength and bending strength, has high flame retardation efficacy, can satisfy UL94V-0 level requirements, has good processing fluidity, excellent electrical performances and excellent heat resistance and corrosion resistance, and has a low cost.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically the blend alloy and preparation method thereof of a kind of PC and PET.
Background technology
Polycarbonate (PC) is the base polymer containing carbonic ether in molecular chain, and have particularly preferred resistance to impact shock, thermostability, glossiness, be one of five large general engineering plastic, its product and consumption are only second to nylon engineering plastic, occupy second.But it is very high to there is melt viscosity in polycarbonate, the shortcomings such as forming process difficulty and poor solvent resistance, and also price is high.Polyethylene terephthalate (PET) is a kind of those semi-crystalline materials, there are extraordinary chemical stability, physical strength, electrical insulation characteristics and thermostability, especially oil-proofness and solvent resistance are excellent, however its shortcoming to be notched Izod impact strength low, hydrolytic resistance is poor, molding shrinkage is large.Polyethylene terephthalate and polycarbonate blending can be improved polycarbonate flowing property, improve processing characteristics and chemical proofing, therefore can be applicable to a lot of occasion.But, because polyethylene terephthalate (PET) is crystalline polymer, polycarbonate (PC) is non-crystalline polymer, the blend alloy of PC and PET belongs to typical amorphous/crystallization co-mixing system, its consistency is bad, and toughness, intensity that both mix mutually are bad, and do not reach UL94 V-0 flame retardant rating, thus limit its application in some field.
Summary of the invention
The object of the present invention is to provide that a kind of comprehensive mechanical property is good, intensity is high, the blend alloy of a kind of PC and PET of excellent flame retardancy and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: the blend alloy of a kind of PC and PET, and its component by mass percent proportioning is: bisphenol A-type aromatic copolycarbonate 40% ~ 60%, polyethylene terephthalate 20% ~ 40%, polyolefin elastomer grafts 5% ~ 10%, nano imvite 2% ~ 5%, fire retardant 3% ~ 10%, compatilizer 1% ~ 3%, aluminium titanium composite coupler 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described polyolefin elastomer grafts is maleic anhydride, glycidyl methacrylate dual graft POE multipolymer, its preparation technology is: by 2wt% maleic anhydride, 5wt% glycidyl methacrylate, 0.5wt% dibenzoyl peroxide and 92.5wt% polyolefin elastomer, add in high-speed mixer, stir 20 ~ 40 minutes at 50 DEG C ~ 80 DEG C temperature, then discharging, add in twin screw extruder, extrusion temperature 160 DEG C ~ 180 DEG C, rate of feeding 25 ~ 45r/min, carry out graft reaction under screw speed 80 ~ 100r/min and extrude, cooling granulation, i.e. obtained polyolefin elastomer grafts.
Described fire retardant is siliceous, phosphorus, nitrogen composite flame-retardant agent DVN.
Described compatilizer is Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer.
Described oxidation inhibitor is Hinered phenols antioxidant 1010 and the compound of phosphite ester kind antioxidant 168 in quality 1:2 ratio.
Described lubricant is pentaerythritol stearate.
The preparation method of the blend alloy of a kind of PC and PET of the present invention, comprises the following steps:
(1), by bisphenol A-type aromatic copolycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, polyethylene terephthalate at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, nano imvite, fire retardant respectively at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes separately, stand-by;
(2) polyolefin elastomer grafts, is prepared: by 2wt% maleic anhydride, 5wt% glycidyl methacrylate, 0.5wt% dibenzoyl peroxide and 92.5wt% polyolefin elastomer, add in high-speed mixer, stir 20 ~ 40 minutes at 50 DEG C ~ 80 DEG C temperature, then discharging, add in twin screw extruder, under extrusion temperature 160 DEG C ~ 180 DEG C, rate of feeding 25 ~ 45r/min, screw speed 80 ~ 100r/min, carry out graft reaction and extrude, cooling granulation, i.e. obtained polyolefin elastomer grafts, more stand-by after drying;
(3), dried nano imvite and aluminium titanium composite coupler 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 15 ~ 45 minutes at 80 DEG C ~ 120 DEG C temperature, obtain the nano imvite of surface active, then be cooled to lower than 40 DEG C of dischargings, stand-by;
(4), dry polyethylene terephthalate and fire retardant will be taken by weight ratio, add in high-speed mixer, add the nano imvite of the surface active that step (3) obtains simultaneously, make to stir 0.5 ~ 3 minute together, then the oxidation inhibitor, the lubricant that take by weight ratio is added, continue stirring 2 ~ 10 minutes, after making fully to mix, discharging adds in twin screw extruder, extrude after melt blending at 225 DEG C ~ 260 DEG C, cooling granulation, and dry rear obtained PET master batch, stand-by;
(5), by polyolefin elastomer grafts obtained to the bisphenol A-type aromatic copolycarbonate and step (2) that take drying by weight ratio, add in high-speed mixer, add the PET master batch that step (4) is obtained simultaneously, and the compatilizer taken by weight ratio, after making to stir 3 ~ 15 minutes premixs together, discharging adds in twin screw extruder, extrudes, cooling granulation at 220 DEG C ~ 270 DEG C after abundant melt blending, namely obtains the present invention.
The invention has the beneficial effects as follows, the present invention has the comprehensive mechanical property of good notched Izod impact strength, tensile strength, flexural strength, and has high flame retardant effect and reach UL94 V-0 class requirement, and its processing flowability might as well, electric property and heat-and corrosion-resistant excellent performance, cost is low.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
A blend alloy of PC and PET, its component in mass percent proportioning is: bisphenol A-type aromatic copolycarbonate 45%, polyethylene terephthalate 26%, polyolefin elastomer grafts 10%, nano imvite 5%, fire retardant 10%, Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer 3%, aluminium titanium composite coupler 0.3%, Hinered phenols antioxidant 1010 and compound 0.2%, the pentaerythritol stearate 0.5% of phosphite ester kind antioxidant 168 in quality 1:2 ratio.Described polyolefin elastomer grafts is maleic anhydride, glycidyl methacrylate dual graft POE multipolymer; Described fire retardant is siliceous, phosphorus, nitrogen composite flame-retardant agent DVN.
Its preparation method is: (1), by bisphenol A-type aromatic copolycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, polyethylene terephthalate at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, nano imvite, fire retardant respectively at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes separately, stand-by, (2) polyolefin elastomer grafts, is prepared: by 2wt% maleic anhydride, 5wt% glycidyl methacrylate, 0.5wt% dibenzoyl peroxide and 92.5wt% polyolefin elastomer, add in high-speed mixer, stir 20 ~ 40 minutes at 50 DEG C ~ 80 DEG C temperature, then discharging, add in twin screw extruder, under extrusion temperature 160 DEG C ~ 180 DEG C, rate of feeding 25 ~ 45r/min, screw speed 80 ~ 100r/min, carry out graft reaction and extrude, cooling granulation, i.e. obtained polyolefin elastomer grafts, more stand-by after drying, (3), dried nano imvite and aluminium titanium composite coupler 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 15 ~ 45 minutes at 80 DEG C ~ 120 DEG C temperature, obtain the nano imvite of surface active, then be cooled to lower than 40 DEG C of dischargings, stand-by, (4), dry polyethylene terephthalate and fire retardant will be taken by weight ratio, add in high-speed mixer, add the nano imvite of the surface active that step (3) obtains simultaneously, make to stir 0.5 ~ 3 minute together, then the Hinered phenols antioxidant 1010 and the compound of phosphite ester kind antioxidant 168 in quality 1:2 ratio that take by weight ratio is added, pentaerythritol stearate, continue stirring 2 ~ 10 minutes, after making fully to mix, discharging adds in twin screw extruder, extrude after melt blending at 225 DEG C ~ 260 DEG C, cooling granulation, and dry rear obtained PET master batch, stand-by, (5), by polyolefin elastomer grafts obtained to the bisphenol A-type aromatic copolycarbonate and step (2) that take drying by weight ratio, add in high-speed mixer, add the PET master batch that step (4) is obtained simultaneously, and the Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer taken by weight ratio, after making to stir 3 ~ 15 minutes premixs together, discharging adds in twin screw extruder, extrude after abundant melt blending at 220 DEG C ~ 270 DEG C, cooling granulation, namely obtain the present invention.
Claims (7)
1. the blend alloy of a PC and PET, it is characterized in that, its component by mass percent proportioning is: bisphenol A-type aromatic copolycarbonate 40% ~ 60%, polyethylene terephthalate 20% ~ 40%, polyolefin elastomer grafts 5% ~ 10%, nano imvite 2% ~ 5%, fire retardant 3% ~ 10%, compatilizer 1% ~ 3%, aluminium titanium composite coupler 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. the blend alloy of a kind of PC and PET according to claim 1, is characterized in that, described polyolefin elastomer grafts is maleic anhydride, glycidyl methacrylate dual graft POE multipolymer.
3. the blend alloy of a kind of PC and PET according to claim 1, is characterized in that, described fire retardant is siliceous, phosphorus, nitrogen composite flame-retardant agent DVN.
4. the blend alloy of a kind of PC and PET according to claim 1, is characterized in that, described compatilizer is Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer.
5. the blend alloy of a kind of PC and PET according to claim 1, is characterized in that, described oxidation inhibitor is Hinered phenols antioxidant 1010 and the compound of phosphite ester kind antioxidant 168 in quality 1:2 ratio.
6. the blend alloy of a kind of PC and PET according to claim 1, is characterized in that, described lubricant is pentaerythritol stearate.
7. the preparation method of the blend alloy of a kind of PC and PET according to claim 1, is characterized in that, comprise the following steps:
(1), by bisphenol A-type aromatic copolycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, polyethylene terephthalate at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, nano imvite, fire retardant respectively at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes separately, stand-by;
(2) polyolefin elastomer grafts, is prepared: by 2wt% maleic anhydride, 5wt% glycidyl methacrylate, 0.5wt% dibenzoyl peroxide and 92.5wt% polyolefin elastomer, add in high-speed mixer, stir 20 ~ 40 minutes at 50 DEG C ~ 80 DEG C temperature, then discharging, add in twin screw extruder, under extrusion temperature 160 DEG C ~ 180 DEG C, rate of feeding 25 ~ 45r/min, screw speed 80 ~ 100r/min, carry out graft reaction and extrude, cooling granulation, i.e. obtained polyolefin elastomer grafts, more stand-by after drying;
(3), dried nano imvite and aluminium titanium composite coupler 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 15 ~ 45 minutes at 80 DEG C ~ 120 DEG C temperature, obtain the nano imvite of surface active, then be cooled to lower than 40 DEG C of dischargings, stand-by;
(4), dry polyethylene terephthalate and fire retardant will be taken by weight ratio, add in high-speed mixer, add the nano imvite of the surface active that step (3) obtains simultaneously, make to stir 0.5 ~ 3 minute together, then the oxidation inhibitor, the lubricant that take by weight ratio is added, continue stirring 2 ~ 10 minutes, after making fully to mix, discharging adds in twin screw extruder, extrude after melt blending at 225 DEG C ~ 260 DEG C, cooling granulation, and dry rear obtained PET master batch, stand-by;
(5), by polyolefin elastomer grafts obtained to the bisphenol A-type aromatic copolycarbonate and step (2) that take drying by weight ratio, add in high-speed mixer, add the PET master batch that step (4) is obtained simultaneously, and the compatilizer taken by weight ratio, after making to stir 3 ~ 15 minutes premixs together, discharging adds in twin screw extruder, extrudes, cooling granulation at 220 DEG C ~ 270 DEG C after abundant melt blending, namely obtains the present invention.
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| CN201310715776.7A CN104725814A (en) | 2013-12-23 | 2013-12-23 | PC-PET blended alloy and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489291A (en) * | 2015-09-23 | 2016-04-13 | 沈群华 | Mylar belt for cable or optical cable package and preparation method of Mylar belt |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105489291A (en) * | 2015-09-23 | 2016-04-13 | 沈群华 | Mylar belt for cable or optical cable package and preparation method of Mylar belt |
| CN105489291B (en) * | 2015-09-23 | 2018-05-18 | 江苏双马线缆科技有限公司 | A kind of cable or optical cable are packed for wheat drawstring and preparation method thereof |
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Application publication date: 20150624 |