CN104341739A - Flame retardant antistatic PET/ABS (polyethylene terephthalate/acrylonitrile-butadiene-styrene) alloy and preparation method - Google Patents
Flame retardant antistatic PET/ABS (polyethylene terephthalate/acrylonitrile-butadiene-styrene) alloy and preparation method Download PDFInfo
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Abstract
The present invention discloses a flame retardant antistatic PET/ABS (polyethylene terephthalate/acrylonitrile-butadiene-styrene) alloy comprising the following components by mass: 20%-50% of PET, 20%-50% of ABS, 12%-25% of a flame retardant, 5%-15% of antistatic master batch, 1%-5% of a compatibilizer, 0.1%-2% of a lubricant, and 0.1%-1% of an antioxidant. The beneficial effect is in that, compared with the prior art, the prepared flame retardant antistatic PET/ABS alloy has excellent mechanical properties, good heat resistance, high strength, dimension stability, excellent electrical performance and other advantages, and has good flame retardant performance, high antistatic efficiency, lasting antistatic property, good processing performance, low cost and wide applicability.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of flame-retardant and anti-static PET/ABS Alloy And Preparation Method.
Background technology
PET/ABS alloy (polyethylene terephthalate/acrylonitrile-butadiene-styrene terpolymer) is a kind of engineering plastics of inexpensive and excellent property, there is low warpage properties, surface quality is high, the feature such as thermotolerance, ageing resistance, is widely used in the industries such as household electrical appliance, electronic apparatus, automotive industry, electromechanical equipment, building materials.But, the flame retardant properties of PET/ABS alloy is not high, although PET has certain flame retardant property, but the oxygen index of ABS is only 18, belong to inflammable material, therefore, PET/ABS Alloyapplication must carry out flame-retardant modified in electrical equipment relevant industries, and keep away can produce electrostatic due to difficulty in production process, form static voltage, electrostatic breakdown electrical apparatus product can be caused, more serious meeting brings personal injury, therefore, to PET/ABS alloy carry out flame-retardant modified and eliminate electrostatic be necessary, and to develop a kind of flame-retardant and anti-static PET/ABS alloy be also adapt to socioeconomic development trend completely.
Summary of the invention
The object of the present invention is to provide a kind of flame-retardant and anti-static PET/ABS Alloy And Preparation Method.
The technical solution adopted for the present invention to solve the technical problems is: flame-retardant and anti-static PET/ABS alloy, and its component by mass percent proportioning is: PET 20% ~ 50%, ABS 20% ~ 50%, fire retardant 12% ~ 25%, antistatic master granule 5% ~ 15%, compatilizer 1% ~ 5%, lubricant 0.1% ~ 2%, oxidation inhibitor 0.1% ~ 1%.
Described PET is polyethylene terephthalate, and its relative density is 1.35 ~ 1.38 g/cm
3, fusing point 255 DEG C ~ 260 DEG C, melt viscosity 0.8 ~ 1.1dL/g.
Described ABS is acrylonitrile-butadiene-styrene terpolymer, and the mass percent of its acrylonitrile content is 30% ~ 75%.
Described fire retardant is poly-to the mixture of one or more in sulfobenzide phenyl phosphate ester fire retardant, phosphonate fire retardant, polysilane fire retardant, aluminium hydroxide.
The antistatic master granule that described antistatic master granule is made up of Low Density Polyethylene (LDPE) 70wt%, static inhibitor 25wt% and low molecular weight polyethylene wax 5wt%, wherein, described static inhibitor is the one in two (2-hydroxyethyl) octyl methyl biconjugate ammonium tosylate, quaternary ammonium compound, alkylsulfonate, stearic acid monoglycerides (GMS), polyether ester, Nanometer-sized Antimony-doped stannic oxide (ATO).
Described compatilizer is methyl methacrylate-methyl propenoic acid glycidyl-ethylpropylene ter-polymers (MGE).
Described lubricant is the one in pentaerythritol ester, stearyl ester calcium, Magnesium Stearate, ethylene bis stearic amide.
Described oxidation inhibitor is the compound of hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168.
The preparation method of above-mentioned flame-retardant and anti-static PET/ABS alloy, comprises the following steps:
(1) by PET at 120 DEG C ~ 130 DEG C dry 4 ~ 6 hours, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, fire retardant at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by;
(2) antistatic master granule is prepared: take Low Density Polyethylene (LDPE), static inhibitor and low molecular weight polyethylene wax by weight ratio, then add in high-speed mixer or ultrasonic generator and mix 5 ~ 30 minutes, again the material mixed is added twin screw extruder melt blending, cooling, pelletizing, dry rear obtained antistatic master granule, stand-by;
(3) dry PET and ABS is taken by important proportioning, add in high-speed mixer and mix 1 ~ 5 minute, and then add the fire retardant, antistatic master granule, compatilizer, lubricant and the oxidation inhibitor that take drying by weight ratio, continue mixing 5 ~ 30 minutes, make fully to mix rear discharging;
(4) add in twin screw extruder by the compound of step (3), at 210 DEG C ~ 260 DEG C, through plastifying, mixing is extruded, cooling granulation, obtains flame-retardant and anti-static PET/ABS alloy of the present invention.
The invention has the beneficial effects as follows, compared with prior art, the present invention adopts fire retardant and antistatic master granule modified PET/ABS, make that the PET/ABS alloy obtained not only has excellent mechanical property (having PET and ABS advantage separately concurrently), intensity is high, resistance toheat good, the advantage such as dimensional stabilizing and excellent electric properties, and it is good to have flame retardant properties, antistatic property is efficient, lasting, good processability, with low cost, suitability is wide.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of flame-retardant and anti-static PET/ABS alloy, its component by mass percent proportioning is: PET 40%, ABS 25%, the poly-compound 0.8% to sulfobenzide phenyl phosphate ester fire retardant 20%, antistatic master granule 10%, methyl methacrylate-methyl propenoic acid glycidyl-ethylpropylene ter-polymers (MGE) 3%, pentaerythritol ester 1.2%, hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168.Wherein, described PET is polyethylene terephthalate, and its relative density is 1.35 ~ 1.38 g/cm
3, fusing point 255 DEG C ~ 260 DEG C, melt viscosity 0.8 ~ 1.1dL/g; Described ABS is acrylonitrile-butadiene-styrene terpolymer, and the mass percent of its acrylonitrile content is 30% ~ 75%; The antistatic master granule that described antistatic master granule is made up of Low Density Polyethylene (LDPE) 70wt%, two (2-hydroxyethyl) octyl methyl biconjugate ammonium tosylate 25wt% and low molecular weight polyethylene wax 5wt%.
Preparation method: (1) is by PET at 120 DEG C ~ 130 DEG C dry 4 ~ 6 hours, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, poly-to sulfobenzide phenyl phosphate ester fire retardant at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by; (2) antistatic master granule is prepared: take Low Density Polyethylene (LDPE), two (2-hydroxyethyl) octyl methyl biconjugate ammonium tosylate and low molecular weight polyethylene wax by weight ratio, then add in high-speed mixer or ultrasonic generator and mix 5 ~ 30 minutes, again the material mixed is added twin screw extruder melt blending, cooling, pelletizing, dry rear obtained antistatic master granule, stand-by; (3) dry PET and ABS is taken by important proportioning, add in high-speed mixer and mix 1 ~ 5 minute, and then add the poly-compound to sulfobenzide phenyl phosphate ester fire retardant, antistatic master granule, methyl methacrylate-methyl propenoic acid glycidyl-ethylpropylene ter-polymers (MGE), pentaerythritol ester and hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168 taking drying by weight ratio, continue mixing 5 ~ 30 minutes, make fully to mix rear discharging; (4) add in twin screw extruder by the compound of step (3), at 210 DEG C ~ 260 DEG C, through plastifying, mixing is extruded, cooling granulation, obtains flame-retardant and anti-static PET/ABS alloy of the present invention.
Embodiment 2:
A kind of flame-retardant and anti-static PET/ABS alloy, its component by mass percent proportioning is: the compound 1% of PET 33%, ABS 33%, phosphonate fire retardant 15%, antistatic master granule 12%, methyl methacrylate-methyl propenoic acid glycidyl-ethylpropylene ter-polymers (MGE) 5%, ethylene bis stearic amide 1%, hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168.Wherein, described PET is polyethylene terephthalate, and its relative density is 1.35 ~ 1.38 g/cm
3, fusing point 255 DEG C ~ 260 DEG C, melt viscosity 0.8 ~ 1.1dL/g; Described ABS is acrylonitrile-butadiene-styrene terpolymer, and the mass percent of its acrylonitrile content is 30% ~ 75%; The antistatic master granule that described antistatic master granule is made up of Low Density Polyethylene (LDPE) 70wt%, stearic acid monoglycerides (GMS) 25wt% and low molecular weight polyethylene wax 5wt%.
Preparation method: (1) by PET at 120 DEG C ~ 130 DEG C dry 4 ~ 6 hours, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, phosphonate fire retardant at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by; (2) antistatic master granule is prepared: take Low Density Polyethylene (LDPE), stearic acid monoglycerides (GMS) and low molecular weight polyethylene wax by weight ratio, then add in high-speed mixer or ultrasonic generator and mix 5 ~ 30 minutes, again the material mixed is added twin screw extruder melt blending, cooling, pelletizing, dry rear obtained antistatic master granule, stand-by; (3) dry PET and ABS is taken by important proportioning, add in high-speed mixer and mix 1 ~ 5 minute, and then add the compound taking dry phosphonate fire retardant, antistatic master granule, methyl methacrylate-methyl propenoic acid glycidyl-ethylpropylene ter-polymers (MGE), ethylene bis stearic amide and hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168 by weight ratio, continue mixing 5 ~ 30 minutes, make fully to mix rear discharging; (4) add in twin screw extruder by the compound of step (3), at 210 DEG C ~ 260 DEG C, through plastifying, mixing is extruded, cooling granulation, obtains flame-retardant and anti-static PET/ABS alloy of the present invention.
Claims (8)
1. a flame-retardant and anti-static PET/ABS alloy, it is characterized in that, its component by mass percent proportioning is: PET 20% ~ 50%, ABS 20% ~ 50%, fire retardant 12% ~ 25%, antistatic master granule 5% ~ 15%, compatilizer 1% ~ 5%, lubricant 0.1% ~ 2%, oxidation inhibitor 0.1% ~ 1%.
2. flame-retardant and anti-static PET/ABS alloy according to claim 1, is characterized in that, described PET is polyethylene terephthalate, and its relative density is 1.35 ~ 1.38 g/cm
3, fusing point 255 DEG C ~ 260 DEG C, melt viscosity 0.8 ~ 1.1dL/g.
3. flame-retardant and anti-static PET/ABS alloy according to claim 1, is characterized in that, described ABS is acrylonitrile-butadiene-styrene terpolymer, and the mass percent of its acrylonitrile content is 30% ~ 75%.
4. flame-retardant and anti-static PET/ABS alloy according to claim 1, is characterized in that, described fire retardant is poly-to the mixture of one or more in sulfobenzide phenyl phosphate ester fire retardant, phosphonate fire retardant, polysilane fire retardant, aluminium hydroxide.
5. flame-retardant and anti-static PET/ABS alloy according to claim 1, it is characterized in that, the antistatic master granule that described antistatic master granule is made up of Low Density Polyethylene (LDPE) 70wt%, static inhibitor 25wt% and low molecular weight polyethylene wax 5wt%, wherein, described static inhibitor is the one in two (2-hydroxyethyl) octyl methyl biconjugate ammonium tosylate, quaternary ammonium compound, alkylsulfonate, stearic acid monoglycerides (GMS), polyether ester, Nanometer-sized Antimony-doped stannic oxide (ATO).
6. flame-retardant and anti-static PET/ABS alloy according to claim 1, is characterized in that, described compatilizer is methyl methacrylate-methyl propenoic acid glycidyl-ethylpropylene ter-polymers (MGE).
7. flame-retardant and anti-static PET/ABS alloy according to claim 1, is characterized in that, described lubricant is the one in pentaerythritol ester, stearyl ester calcium, Magnesium Stearate, ethylene bis stearic amide.
8. the preparation method of flame-retardant and anti-static PET/ABS alloy according to claim 1, is characterized in that, comprise the following steps:
(1) by PET at 120 DEG C ~ 130 DEG C dry 4 ~ 6 hours, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, fire retardant at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by;
(2) antistatic master granule is prepared: take Low Density Polyethylene (LDPE), static inhibitor and low molecular weight polyethylene wax by weight ratio, then add in high-speed mixer or ultrasonic generator and mix 5 ~ 30 minutes, again the material mixed is added twin screw extruder melt blending, cooling, pelletizing, dry rear obtained antistatic master granule, stand-by;
(3) dry PET and ABS is taken by important proportioning, add in high-speed mixer and mix 1 ~ 5 minute, and then add the fire retardant, antistatic master granule, compatilizer, lubricant and the oxidation inhibitor that take drying by weight ratio, continue mixing 5 ~ 30 minutes, make fully to mix rear discharging;
(4) add in twin screw extruder by the compound of step (3), at 210 DEG C ~ 260 DEG C, through plastifying, mixing is extruded, cooling granulation, obtains flame-retardant and anti-static PET/ABS alloy of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310324780.0A CN104341739A (en) | 2013-07-30 | 2013-07-30 | Flame retardant antistatic PET/ABS (polyethylene terephthalate/acrylonitrile-butadiene-styrene) alloy and preparation method |
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| CN201310324780.0A CN104341739A (en) | 2013-07-30 | 2013-07-30 | Flame retardant antistatic PET/ABS (polyethylene terephthalate/acrylonitrile-butadiene-styrene) alloy and preparation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542273A (en) * | 2015-12-17 | 2016-05-04 | 东莞市卡尔文塑胶科技有限公司 | Preparation method and application of flame-retardant static-conductive dissipative masterbatch |
| CN107189333A (en) * | 2017-07-10 | 2017-09-22 | 芜湖扬展新材料科技服务有限公司 | A kind of preparation method of Flame-retardant PET/ABS alloy material |
-
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- 2013-07-30 CN CN201310324780.0A patent/CN104341739A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542273A (en) * | 2015-12-17 | 2016-05-04 | 东莞市卡尔文塑胶科技有限公司 | Preparation method and application of flame-retardant static-conductive dissipative masterbatch |
| CN107189333A (en) * | 2017-07-10 | 2017-09-22 | 芜湖扬展新材料科技服务有限公司 | A kind of preparation method of Flame-retardant PET/ABS alloy material |
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