CN103254640A - Preparation method of polyethylene glycol terephthalate modified fire-retardant polyamide composite material - Google Patents
Preparation method of polyethylene glycol terephthalate modified fire-retardant polyamide composite material Download PDFInfo
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- CN103254640A CN103254640A CN201310159396XA CN201310159396A CN103254640A CN 103254640 A CN103254640 A CN 103254640A CN 201310159396X A CN201310159396X A CN 201310159396XA CN 201310159396 A CN201310159396 A CN 201310159396A CN 103254640 A CN103254640 A CN 103254640A
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Abstract
The invention relates to a preparation method of a polyethylene glycol terephthalate modified fire-retardant polyamide composite material, belonging to the technical field of preparation of high polymer materials. The preparation method comprises the following steps of: firstly, mixing the following components in parts by weight in a high-speed mixer: 120-135 parts of polyamide 66 resin, 25-36 parts of polyethylene glycol terephthalate, 12-18 parts of polycarbonate, 7-14 parts of a compatilizer, 28-35 parts of a fire retardant, 1.1-1.7 parts of an antioxidant, 32-45 parts of reinforcing fibers, and 2.1-3.1 parts of carbon black; secondly, introducing the mixture into a parallel twin-screw extruder for melt extrusion; and finally, cooling, dicing and drying to obtain a finished product, wherein the screw temperatures of the parallel twin-screw extruder from a first zone to a twelfth zone are respectively controlled to be 230 DEG C, 235 DEG C, 245 DEG C, 255 DEG C, 255 DEG C, 265 DEG C, 265 DEG C, 275 DEG C, 275 DEG C, 275 DEG C, 275 DEG C and 275 DEG C. The polyethylene glycol terephthalate modified fire-retardant polyamide composite material has the performance indexes as follows: the tensile strength is 120-148MPa, the bending strength is 235-255MPa, the notch impact strength is 13.6-17.2kj/m<2>, the fire resistance reaches V-0(UL-94-3.0mm), and the thermal deformation temperature is 165-190 DEG C.
Description
Technical field
The invention belongs to field of polymer material preparing technology, be specifically related to a kind of preparation method of Flameproof polyamide matrix material of polyethylene terephthalate modification.
Background technology
Polyethylene terephthalate is a kind of engineering plastic materials, owing to have excellent crystallinity, therefore, thermotolerance and solvent resistance are good, are generally used for the high product of some heatproofs.Polymeric amide is the very desirable engineering plastics of a class, major part is noncrystalline feature, but can improve temperature tolerance and the solvent resistance of polyamide resin by resin modified, but under many situations, namely when using, people expect to seek more convenient, economic method prepares the Flameproof polyamide matrix material of polyethylene terephthalate modification, and make it have the toughness height equally, intensity height, the characteristics of great thermotolerance.
Summary of the invention
Task of the present invention is to provide a kind of preparation method of Flameproof polyamide matrix material of polyethylene terephthalate modification, and this method is easy and have economy, and the polyamide compoiste material that obtains has the characteristics of toughness height, intensity height and great thermotolerance.
Task of the present invention is finished like this, a kind of preparation method of Flameproof polyamide matrix material of polyethylene terephthalate modification, it is in 32 ~ 45 parts of 1.1 ~ 1.7 parts in 28 ~ 35 parts of 7 ~ 14 parts of 12～18 parts of 25～36 parts of 120～135 parts of polyamide 66 resins, polyethylene terephthalates, polycarbonate, compatilizers, fire retardants, oxidation inhibitor, the fortifying fibres that will take by weighing by weight earlier and 2.1 ~ 3.1 parts of input high-speed mixers of carbon black and at rotating speed to be to mix 20min under the 380n/min, obtains compound; Again compound is introduced in the parallel twin screw extruder and melt extruded, through cooling, obtain the Flameproof polyamide matrix material of polyethylene terephthalate modification after pelletizing and the drying, wherein: extruder temperature Zi Yi district to the No.12 District of parallel twin screw extruder is controlled to be respectively: 230 ℃ of district's temperature, 235 ℃ of two district's temperature, 245 ℃ of three district's temperature, 255 ℃ of four district's temperature, 255 ℃ of five district's temperature, 265 ℃ of six district's temperature, 265 ℃ of seven district's temperature, 275 ℃ of eight district's temperature, 275 ℃ of nine district's temperature, 275 ℃ of ten district's temperature, 275 ℃ of Shi Yi district temperature, 275 ℃ of No.12 District temperature.
In one embodiment of the invention, described polyamide 66 resin be fusing point more than 230 ℃, the limiting viscosity index is 2.4 polyamide 66 resin.
In another embodiment of the present invention, described polyethylene terephthalate is that fusing point is at the pet resin more than 250 ℃.
In yet another embodiment of the present invention, described polycarbonate resin is the bisphenol A polycarbonate resin.
In another embodiment of the present invention, described compatilizer is the styrene-maleic anhydride copolymer resins.
Also have among the embodiment of the present invention, described fire retardant is C 14 H 4 Br 8.
More of the present invention and among embodiment, described oxidation inhibitor is 2, the 5-ditert-butylhydro quinone.
In of the present invention and then embodiment, described fortifying fibre is the alkali free glass fibre of length 6mm.
Of the present invention again more and among embodiment, described carbon black is furnace treated black.
The Flameproof polyamide matrix material of the polyethylene terephthalate modification of the inventive method preparation has following performance index after tested: tensile strength 120～148MPa, flexural strength 235～255MPa, notched Izod impact strength 13.6～17.2kj/m
2, flame retardant resistance reaches V-0 (UL-94-3.0mm), 165～190 ℃ of thermal change type temperature.
Embodiment
Embodiment 1:
Earlier the fusing point that will take by weighing by weight more than 230 ℃ and the limiting viscosity index be 2.4 135 parts of polyamide 66 resins, fusing point at 28 parts of 30 parts of the pet resins more than 250 ℃, 12 parts of bisphenol-a polycarbonate resins, vinylbenzene and 14 parts of maleic anhydride copolymer resinses, C 14 H 4 Br 8s, 2,1.7 parts of 5-ditert-butylhydro quinones, length are 32 parts of the alkali free glass fibres of 6mm and by being to mix 20min under the 380n/min in 2.5 parts of input high-speed mixers of carbon black of oven process production and at rotating speed, obtain compound; Again compound is introduced in the parallel twin screw extruder and melt extruded, through cooling, obtain the Flameproof polyamide matrix material of polyethylene terephthalate modification after pelletizing and the drying, wherein: extruder temperature Zi Yi district to the No.12 District of parallel twin screw extruder is controlled to be respectively: 230 ℃ of district's temperature, 235 ℃ of two district's temperature, 245 ℃ of three district's temperature, 255 ℃ of four district's temperature, 255 ℃ of five district's temperature, 265 ℃ of six district's temperature, 265 ℃ of seven district's temperature, 275 ℃ of eight district's temperature, 275 ℃ of nine district's temperature, 275 ℃ of ten district's temperature, 275 ℃ of Shi Yi district temperature, 275 ℃ of No.12 District temperature.
Embodiment 2:
Earlier the fusing point that will take by weighing by weight more than 230 ℃ and the limiting viscosity index be 2.4 120 parts of polyamide 66 resins, fusing point at 30 parts of 36 parts of the pet resins more than 250 ℃, 14 parts of bisphenol-a polycarbonate resins, vinylbenzene and 7 parts of maleic anhydride copolymer resinses, C 14 H 4 Br 8s, 2,1.5 parts of 5-ditert-butylhydro quinones, length are 35 parts of the alkali free glass fibres of 6mm and by being to mix 20min under the 380n/min in 2.1 parts of input high-speed mixers of carbon black of oven process production and at rotating speed, obtain compound; Again compound is introduced in the parallel twin screw extruder and melt extruded, through cooling, obtain the Flameproof polyamide matrix material of polyethylene terephthalate modification after pelletizing and the drying, wherein: extruder temperature Zi Yi district to the No.12 District of parallel twin screw extruder is controlled to be respectively: 230 ℃ of district's temperature, 235 ℃ of two district's temperature, 245 ℃ of three district's temperature, 255 ℃ of four district's temperature, 255 ℃ of five district's temperature, 265 ℃ of six district's temperature, 265 ℃ of seven district's temperature, 275 ℃ of eight district's temperature, 275 ℃ of nine district's temperature, 275 ℃ of ten district's temperature, 275 ℃ of Shi Yi district temperature, 275 ℃ of No.12 District temperature.
Embodiment 3:
Earlier the fusing point that will take by weighing by weight more than 230 ℃ and the limiting viscosity index be 2.4 130 parts of polyamide 66 resins, fusing point at 35 parts of 25 parts of the pet resins more than 250 ℃, 18 parts of bisphenol-a polycarbonate resins, vinylbenzene and 12 parts of maleic anhydride copolymer resinses, C 14 H 4 Br 8s, 2,1.1 parts of 5-ditert-butylhydro quinones, length are 45 parts of the alkali free glass fibres of 6mm and by being to mix 20min under the 380n/min in 3.1 parts of input high-speed mixers of carbon black of oven process production and at rotating speed, obtain compound; Again compound is introduced in the parallel twin screw extruder and melt extruded, through cooling, obtain the Flameproof polyamide matrix material of polyethylene terephthalate modification after pelletizing and the drying, wherein: extruder temperature Zi Yi district to the No.12 District of parallel twin screw extruder is controlled to be respectively: 230 ℃ of district's temperature, 235 ℃ of two district's temperature, 245 ℃ of three district's temperature, 255 ℃ of four district's temperature, 255 ℃ of five district's temperature, 265 ℃ of six district's temperature, 265 ℃ of seven district's temperature, 275 ℃ of eight district's temperature, 275 ℃ of nine district's temperature, 275 ℃ of ten district's temperature, 275 ℃ of Shi Yi district temperature, 275 ℃ of No.12 District temperature.
Embodiment 4:
Earlier the fusing point that will take by weighing by weight more than 230 ℃ and the limiting viscosity index be 2.4 125 parts of polyamide 66 resins, fusing point at 32 parts of 33 parts of the pet resins more than 250 ℃, 16 parts of bisphenol-a polycarbonate resins, vinylbenzene and 11 parts of maleic anhydride copolymer resinses, C 14 H 4 Br 8s, 2,1.3 parts of 5-ditert-butylhydro quinones, length are 40 parts of the alkali free glass fibres of 6mm and by being to mix 20min under the 380n/min in 2.8 parts of input high-speed mixers of carbon black of oven process production and at rotating speed, obtain compound; Again compound is introduced in the parallel twin screw extruder and melt extruded, through cooling, obtain the Flameproof polyamide matrix material of polyethylene terephthalate modification after pelletizing and the drying, wherein: extruder temperature Zi Yi district to the No.12 District of parallel twin screw extruder is controlled to be respectively: 230 ℃ of district's temperature, 235 ℃ of two district's temperature, 245 ℃ of three district's temperature, 255 ℃ of four district's temperature, 255 ℃ of five district's temperature, 265 ℃ of six district's temperature, 265 ℃ of seven district's temperature, 275 ℃ of eight district's temperature, 275 ℃ of nine district's temperature, 275 ℃ of ten district's temperature, 275 ℃ of Shi Yi district temperature, 275 ℃ of No.12 District temperature.
The Flameproof polyamide matrix material of the polyethylene terephthalate modification that is obtained by above-described embodiment 1 to 4 has following technique effect after tested:
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Tensile strength MPa | 121 | 128 | 136 | 145 |
| Flexural strength MPa | 235 | 242 | 249 | 254 |
| Socle girder notched Izod impact strength kj/m 2 | 13.7 | 14．8 | 15.8 | 17.1 |
| Flame retardant resistance (UL-94-3.0mm) | V-0 | V-0 | V-0 | V-0 |
| Heat-drawn wire | 167 | 174 | 180 | 186 |
Claims (9)
1. the preparation method of the Flameproof polyamide matrix material of a polyethylene terephthalate modification, it is characterized in that it is in 32 ~ 45 parts of 1.1 ~ 1.7 parts in 28 ~ 35 parts of 7 ~ 14 parts of 12～18 parts of 25～36 parts of 120～135 parts of polyamide 66 resins, polyethylene terephthalates, polycarbonate, compatilizers, fire retardants, oxidation inhibitor, the fortifying fibres that will take by weighing by weight earlier and 2.1 ~ 3.1 parts of input high-speed mixers of carbon black and at rotating speed is to mix 20min under the 380n/min, obtains compound; Again compound is introduced in the parallel twin screw extruder and melt extruded, through cooling, obtain the Flameproof polyamide matrix material of polyethylene terephthalate modification after pelletizing and the drying, wherein: extruder temperature Zi Yi district to the No.12 District of parallel twin screw extruder is controlled to be respectively: 230 ℃ of district's temperature, 235 ℃ of two district's temperature, 245 ℃ of three district's temperature, 255 ℃ of four district's temperature, 255 ℃ of five district's temperature, 265 ℃ of six district's temperature, 265 ℃ of seven district's temperature, 275 ℃ of eight district's temperature, 275 ℃ of nine district's temperature, 275 ℃ of ten district's temperature, 275 ℃ of Shi Yi district temperature, 275 ℃ of No.12 District temperature.
2. the preparation method of the Flameproof polyamide matrix material of polyethylene terephthalate modification according to claim 1, it is characterized in that described polyamide 66 resin be fusing point more than 230 ℃, the limiting viscosity index is 2.4 polyamide 66 resin.
3. the preparation method of the Flameproof polyamide matrix material of polyethylene terephthalate modification according to claim 1 is characterized in that described polyethylene terephthalate is that fusing point is at the pet resin more than 250 ℃.
4. the preparation method of the Flameproof polyamide matrix material of polyethylene terephthalate modification according to claim 1 is characterized in that described polycarbonate resin is the bisphenol A polycarbonate resin.
5. the preparation method of the Flameproof polyamide matrix material of polyethylene terephthalate modification according to claim 1 is characterized in that described compatilizer is the styrene-maleic anhydride copolymer resins.
6. the preparation method of the Flameproof polyamide matrix material of polyethylene terephthalate modification according to claim 1 is characterized in that described fire retardant is C 14 H 4 Br 8.
7. the preparation method of the Flameproof polyamide matrix material of polyethylene terephthalate modification according to claim 1 is characterized in that described oxidation inhibitor is 2,5-ditert-butylhydro quinone.
8. the preparation method of the Flameproof polyamide matrix material of polyethylene terephthalate modification according to claim 1 is characterized in that described fortifying fibre is the alkali free glass fibre of length 6mm.
9. the preparation method of the Flameproof polyamide matrix material of polyethylene terephthalate modification according to claim 1 is characterized in that described carbon black is furnace treated black.
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| CN201310159396XA CN103254640A (en) | 2013-05-03 | 2013-05-03 | Preparation method of polyethylene glycol terephthalate modified fire-retardant polyamide composite material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103694590A (en) * | 2013-12-02 | 2014-04-02 | 南通瑞普埃尔生物工程有限公司 | High temperature resistant PVC/PBT (Poly Vinyl Chloride/Poly Butylene Terephthalate) composite material and preparation method thereof |
| CN106009659A (en) * | 2016-07-29 | 2016-10-12 | 广东壹豪新材料科技股份有限公司 | Reinforced high-temperature-resistant PA66/PET (polyamide 66/polyethylene terephthalate) plastic alloy |
| EP3222653A1 (en) * | 2016-03-22 | 2017-09-27 | Fuji Xerox Co., Ltd. | Resin composition, resin molded article, and method for preparing resin composition |
| CN112175378A (en) * | 2020-11-09 | 2021-01-05 | 段嘉敏 | Preparation method of environment-friendly wear-resistant high polymer material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101365753A (en) * | 2005-12-07 | 2009-02-11 | 通用电气公司 | Polyamide blend compositions |
| CN101747910A (en) * | 2008-12-17 | 2010-06-23 | 第一毛织株式会社 | Mixtures of brominated diphenylethanes, method of preparing the same and resin composition using the same |
| WO2013030024A1 (en) * | 2011-08-26 | 2013-03-07 | Rhodia Operations | Flame-retardant composition of a polyamide and polyester resin alloy |
-
2013
- 2013-05-03 CN CN201310159396XA patent/CN103254640A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101365753A (en) * | 2005-12-07 | 2009-02-11 | 通用电气公司 | Polyamide blend compositions |
| CN101747910A (en) * | 2008-12-17 | 2010-06-23 | 第一毛织株式会社 | Mixtures of brominated diphenylethanes, method of preparing the same and resin composition using the same |
| WO2013030024A1 (en) * | 2011-08-26 | 2013-03-07 | Rhodia Operations | Flame-retardant composition of a polyamide and polyester resin alloy |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103694590A (en) * | 2013-12-02 | 2014-04-02 | 南通瑞普埃尔生物工程有限公司 | High temperature resistant PVC/PBT (Poly Vinyl Chloride/Poly Butylene Terephthalate) composite material and preparation method thereof |
| EP3222653A1 (en) * | 2016-03-22 | 2017-09-27 | Fuji Xerox Co., Ltd. | Resin composition, resin molded article, and method for preparing resin composition |
| CN107216630A (en) * | 2016-03-22 | 2017-09-29 | 富士施乐株式会社 | The preparation method of resin combination, resin-formed body and resin combination |
| CN107216630B (en) * | 2016-03-22 | 2020-11-27 | 富士施乐株式会社 | Resin composition, resin molded article, and method for producing resin composition |
| CN106009659A (en) * | 2016-07-29 | 2016-10-12 | 广东壹豪新材料科技股份有限公司 | Reinforced high-temperature-resistant PA66/PET (polyamide 66/polyethylene terephthalate) plastic alloy |
| CN112175378A (en) * | 2020-11-09 | 2021-01-05 | 段嘉敏 | Preparation method of environment-friendly wear-resistant high polymer material |
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Application publication date: 20130821 |