CN102875994A - Preparation method of PET (Polyethylene Terephthalate) modified polycarbonate alloy material - Google Patents
Preparation method of PET (Polyethylene Terephthalate) modified polycarbonate alloy material Download PDFInfo
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- CN102875994A CN102875994A CN2012103506336A CN201210350633A CN102875994A CN 102875994 A CN102875994 A CN 102875994A CN 2012103506336 A CN2012103506336 A CN 2012103506336A CN 201210350633 A CN201210350633 A CN 201210350633A CN 102875994 A CN102875994 A CN 102875994A
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Abstract
The invention provides a preparation method of a PET (Polyethylene Terephthalate) modified polycarbonate alloy material, and belongs to the technical field of high polymer material preparation. The preparation method comprises the steps as follows: weighing 50 to 60 parts of polycarbonate resin by weight; drying for 120 minutes at 105 DEG C; mixing with 8 to 12 parts of PET resin, 5 to 10 parts of filler, 0.5 to 0.8 part of stabilizer and 1.2 to 1.6 parts of lubricant by weight for 5 minutes through a high-speed mixing machine; then transferring into a twin-screw extruder to be molten and extruded; controlling the temperature of the screw to 265 to 280 DEG C; cooling through a water tank; and cutting into particles to obtain the PET modified polycarbonate alloy material. The PET modified polycarbonate alloy material provided by the invention has the characteristics of cracking prevention and high wearable performance; and the PET modified polycarbonate alloy material has the bending strength of 65 to 74MPa, stretching strength of 55 to 60MPa, and cracking elongation at break of 35 to 40%.
Description
Technical field
The invention belongs to field of polymer material preparing technology, be specifically related to a kind of polycarbonate alloy material preparation method of PET modification.
Background technology
Polycarbonate is a kind of material of excellent property, but exist processing temperature too high, and the goods unrelieved stress is high, easy cracking, and the shortcoming such as not wear-resisting.PET is ethylene glycol terephthalate, and it is good to have an injection moulding, the advantages such as high abrasion resistance, with PET and polycarbonate in conjunction with improving polycarbonate easily cracking and not wear-resisting shortcoming.
Summary of the invention
Task of the present invention is to provide a kind of polycarbonate alloy material preparation method of PET modification, and the polycarbonate alloy material that is obtained by the method has and do not ftracture and wear resistance is good and have preferably processing characteristics.
Task of the present invention is finished like this, a kind of polycarbonate alloy material preparation method of PET modification, it is 50 ~ 60 parts of dry 120min under 105 ℃ temperature of polycarbonate resin that will take by weighing by weight first, then together drop into high-speed mixer mixing 5min with 1.2 ~ 1.6 parts of 8 ~ 12 parts of the PET resins that takes by weighing by weight, 5 ~ 10 parts of fillers, 0.5 ~ 0.8 part of stablizer and lubricants, then changing twin screw extruder over to melt extrudes, extruder temperature is controlled to be 265-280 ℃, cools off the polycarbonate alloy material that also pelletizing obtains the PET modification through tank.
In a specific embodiment of the present invention, described polycarbonate resin is bisphenol A polycarbonate.
In another specific embodiment of the present invention, described PET resin is polyethylene terephthalate.
In another specific embodiment of the present invention, described filler is nano-calcium carbonate.
In another specific embodiment of the present invention, described stablizer is the two diphosphites of two (2,4-di-tert-butyl-phenyl) tetramethylolmethanes.
Also have in the specific embodiment of the present invention, described lubricant is polyethylene wax.
The polycarbonate resin alloy material of the PET modification that the inventive method obtains has and does not ftracture the characteristics of high abrasion resistance.Flexural strength 65 ~ 74MPa, tensile strength 55 ~ 60MPa, elongation at break 35 ~ 40%.
Embodiment
Embodiment 1:
50 parts of dry 120min under 105 ℃ temperature of the bisphenol A polycarbonate that will take by weighing by weight first, then with 8 parts of 12 parts of the polyethylene terephthalates that takes by weighing by weight, nano-calcium carbonate, two (2, the 4-di-tert-butyl-phenyl) 1.2 parts of 0.8 part of the two diphosphites of tetramethylolmethane and polyethylene waxs together drop into high-speed mixer mixing 5min, then changing twin screw extruder over to melt extrudes, extruder temperature is controlled to be 265 ℃, obtains the polycarbonate alloy material of PET modification after tank cooling and pelletizing.
Embodiment 2:
55 parts of dry 120min under 105 ℃ temperature of the bisphenol A polycarbonate that will take by weighing by weight first, then with 5 parts of 10 parts of the polyethylene terephthalates that takes by weighing by weight, nano-calcium carbonate, two (2, the 4-di-tert-butyl-phenyl) 1.6 parts of 0.5 part of the two diphosphites of tetramethylolmethane and polyethylene waxs together drop into high-speed mixer mixing 5min, then changing twin screw extruder over to melt extrudes, extruder temperature is controlled to be 280 ℃, obtains the polycarbonate alloy material of PET modification after tank cooling and pelletizing.
Embodiment 3:
60 parts of dry 120min under 105 ℃ temperature of the bisphenol A polycarbonate that will take by weighing by weight first, then with 7 parts of 8 parts of the polyethylene terephthalates that takes by weighing by weight, nano-calcium carbonate, two (2, the 4-di-tert-butyl-phenyl) 1.3 parts of 0.6 part of the two diphosphites of tetramethylolmethane and polyethylene waxs together drop into high-speed mixer mixing 5min, then changing twin screw extruder over to melt extrudes, extruder temperature is controlled to be 270 ℃, obtains the polycarbonate alloy material of PET modification after tank cooling and pelletizing.
Embodiment 4:
52 parts of dry 120min under 105 ℃ temperature of the bisphenol A polycarbonate that will take by weighing by weight first, then with 10 parts of 9 parts of the polyethylene terephthalates that takes by weighing by weight, nano-calcium carbonate, two (2, the 4-di-tert-butyl-phenyl) 1.5 parts of 0.7 part of the two diphosphites of tetramethylolmethane and polyethylene waxs together drop into high-speed mixer mixing 5min, then changing twin screw extruder over to melt extrudes, extruder temperature is controlled to be 275 ℃, obtains the polycarbonate alloy material of PET modification after tank cooling and pelletizing.
The polycarbonate alloy material of the PET modification that is obtained by above-described embodiment 1-4 has the performance shown in the following table after tested.
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Flexural strength MPa | 65.0 | 68.2 | 71.8 | 73.6 |
| Tensile strength MPa | 55.5 | 57.2 | 58.4 | 59.6 |
| Elongation at break % | 35 | 37 | 38 | 40 |
Claims (6)
1.
A kind of polycarbonate alloy material preparation method of PET modification, it is characterized in that it is 50 ~ 60 parts of dry 120min under 105 ℃ temperature of polycarbonate resin that will take by weighing by weight first, then together drop into high-speed mixer mixing 5min with 1.2 ~ 1.6 parts of 8 ~ 12 parts of the PET resins that takes by weighing by weight, 5 ~ 10 parts of fillers, 0.5 ~ 0.8 part of stablizer and lubricants, then changing twin screw extruder over to melt extrudes, extruder temperature is controlled to be 265-280 ℃, cools off the polycarbonate alloy material that also pelletizing obtains the PET modification through tank.
2.
The polycarbonate alloy material preparation method of PET modification according to claim 1 is characterized in that described polycarbonate resin is bisphenol A polycarbonate.
3.
The polycarbonate alloy material preparation method of PET modification according to claim 1 is characterized in that described PET resin is polyethylene terephthalate.
4.
The polycarbonate alloy material preparation method of PET modification according to claim 1 is characterized in that described filler is nano-calcium carbonate.
5.
The polycarbonate alloy material preparation method of PET modification according to claim 1 is characterized in that described stablizer is the two diphosphites of two (2,4-di-tert-butyl-phenyl) tetramethylolmethanes.
6.
The polycarbonate alloy material preparation method of PET modification according to claim 1 is characterized in that described lubricant is polyethylene wax
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103506336A CN102875994A (en) | 2012-09-20 | 2012-09-20 | Preparation method of PET (Polyethylene Terephthalate) modified polycarbonate alloy material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103506336A CN102875994A (en) | 2012-09-20 | 2012-09-20 | Preparation method of PET (Polyethylene Terephthalate) modified polycarbonate alloy material |
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| CN102875994A true CN102875994A (en) | 2013-01-16 |
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| CN2012103506336A Pending CN102875994A (en) | 2012-09-20 | 2012-09-20 | Preparation method of PET (Polyethylene Terephthalate) modified polycarbonate alloy material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059338A (en) * | 2013-03-19 | 2014-09-24 | 苏州宇度医疗器械有限责任公司 | Preparation method for cracking-resistant white PC-PET composite material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916076A (en) * | 2006-09-07 | 2007-02-21 | 浙江俊尔新材料有限公司 | Frigostabile PC/PBT plastic alloy |
| CN101367992A (en) * | 2008-09-25 | 2009-02-18 | 上海交通大学 | Method of manufacturing polycarbonate/polyester alloy |
| CN101434745A (en) * | 2007-11-16 | 2009-05-20 | 比亚迪股份有限公司 | Polymer alloy and preparation thereof |
| CN102040819A (en) * | 2010-12-29 | 2011-05-04 | 深圳市科聚新材料有限公司 | Polycarbonate (PC) engineering plastics as well as preparation method and application thereof |
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2012
- 2012-09-20 CN CN2012103506336A patent/CN102875994A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916076A (en) * | 2006-09-07 | 2007-02-21 | 浙江俊尔新材料有限公司 | Frigostabile PC/PBT plastic alloy |
| CN101434745A (en) * | 2007-11-16 | 2009-05-20 | 比亚迪股份有限公司 | Polymer alloy and preparation thereof |
| CN101367992A (en) * | 2008-09-25 | 2009-02-18 | 上海交通大学 | Method of manufacturing polycarbonate/polyester alloy |
| CN102040819A (en) * | 2010-12-29 | 2011-05-04 | 深圳市科聚新材料有限公司 | Polycarbonate (PC) engineering plastics as well as preparation method and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059338A (en) * | 2013-03-19 | 2014-09-24 | 苏州宇度医疗器械有限责任公司 | Preparation method for cracking-resistant white PC-PET composite material |
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Application publication date: 20130116 |