CN105462216A - Glass fiber reinforced and toughened flame-retardant material - Google Patents
Glass fiber reinforced and toughened flame-retardant material Download PDFInfo
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- CN105462216A CN105462216A CN201410451688.5A CN201410451688A CN105462216A CN 105462216 A CN105462216 A CN 105462216A CN 201410451688 A CN201410451688 A CN 201410451688A CN 105462216 A CN105462216 A CN 105462216A
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Abstract
The invention discloses a glass fiber reinforced and toughened flame-retardant polycarbonate/polyethylene terephthalate (PC/PET) composite material. The glass fiber reinforced and toughened flame-retardant PC/PET composite material contains the components in percentage by mass: 40-65% of PC, 10-30% of PET, 5-15% of glass fibers, 5-10% of toughener, 10-15% of flame retardant, 2-4% of compatibilizer, 0.1-0.5% of antidrip agent, 0.1-0.5% of antioxidant and 0.1-1% of lubricant. The glass fiber reinforced and toughened flame-retardant PC/PET composite material has the beneficial effects that the PC/PET composite material is prepared through adopting the glass fibers to carry out reinforcement, adding the toughener, the flame retardant and a proper amount of other adjuvants and carrying out blending with PC and PET and simultaneously has inherent advantages of PC and PET, as well as tensile strength, bending strength, notch impact strength, heat resistance, dimensional stability, glossiness and the like are obviously improved based on the original properties; and the PC/PET composite material has good flame retardance and processability, and the flame retardant rating of the PC/PET composite material can meet the requirements of UL94V-0.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of fiberglass reinforced toughening flame-proof PC/PET matrix material.
Background technology
PC/PET (polycarbonate/polyethylene terephthalate) matrix material is the ideal engineering plastics of a kind of over-all properties, and it has the excellent properties that PC, PET single component does not possess, and all can use in a lot of occasion.But, because PET is crystalline polymer, PC is non-crystalline polymer, PC/PET belongs to typical amorphous/crystallization co-mixing system, both blended consistencies are poor, and cause the Toughness Ratio of blended PC/PET matrix material poor, its intensity is not high, flame retardant resistance is also bad, thus limits its application in some occasion.
Summary of the invention
The object of the present invention is to provide a kind of fiberglass reinforced toughening flame-proof PC/PET matrix material of high comprehensive performance.
The technical solution adopted for the present invention to solve the technical problems is: fiberglass reinforced toughening flame-proof PC/PET matrix material, and its component by mass percent proportioning is: PC40% ~ 65%, PET10% ~ 30%, glass fibre 5% ~ 15%, toughner 5% ~ 10%, fire retardant 10% ~ 15%, compatilizer 2% ~ 4%, Antidrip agent 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.
Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 1.0dL/g.
Described glass fibre be diameter 8 ~ 12 μm, length is alkali-free short glass fiber between 3 ~ 6mm, and its surface is by silane coupling agent process.
Described toughner is the one in ethylene-methyl acrylate multipolymer (EMA), ethylene-butyl acrylate copolymer (EBA), ethylene-acrylate-glycidyl acrylate multipolymer (EMA-GMA), Maleic Anhydride Grafted Ethylene Butyl Acrylate Copolymer (EBA-g-MAH).
Described fire retardant is one or more in triphenylphosphate, the two idol-diphenyl phosphate of Resorcinol, bisphosphate diphenyl pentaerythritol, dihydroxyphenyl propane pair even-(diphenyl phosphate), red phosphor masterbatch.
Described compatilizer is acrylonitritrile-styrene resin grafted maleic anhydride (AS-g-MAH).
Described Antidrip agent is the tetrafluoroethylene (PTFE) of mass ratio 2:1 and the compound of polyvinylidene difluoride (PVDF) (PVDF).
Described oxidation inhibitor is the Hinered phenols antioxidant 1010 or 1076 of mass ratio 1:2 and the compound of phosphite ester kind antioxidant 168.
Described lubricant is pentaerythritol stearate (PETS).
The preparation method of above-mentioned fiberglass reinforced toughening flame-proof PC/PET matrix material, 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, fire retardant at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by;
(2), by taking dry PC, PET and fire retardant by weight ratio, adding in high-speed mixer, stirring 2 ~ 5 minutes, then adding other each auxiliary agent taken by weight ratio, continue stirring 3 ~ 15 minutes, make fully to mix rear discharging, stand-by;
(3), the compound of step (2) is added in twin screw extruder, extrudes after abundant melt blending at 235 DEG C ~ 270 DEG C, cooling granulation, get product.
The invention has the beneficial effects as follows, compared with prior art, the present invention adopts glass fiber reinforcement, and add toughner, fire retardant and other appropriate amount of addition agent, obtained PC/PET matrix material blended with PC, PET, not only with the respective advantage of PC and PET, and tensile strength, flexural strength, notched Izod impact strength, thermotolerance, dimensional stability and glossiness etc. are significantly improved on the basis of original performance, and have good flame retardant properties and processing characteristics, its flame retardant rating can reach the requirement of UL94V-0.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of fiberglass reinforced toughening flame-proof PC/PET matrix material, its component by mass percent proportioning is: PC40%, PET21%, glass fibre 15%, ethylene-methyl acrylate multipolymer (EMA) 10%, two idol-the diphenyl phosphate 10% of Resorcinol, acrylonitritrile-styrene resin grafted maleic anhydride (AS-g-MAH) 3%, the tetrafluoroethylene (PTFE) of mass ratio 2:1 and the compound 0.3% of polyvinylidene difluoride (PVDF) (PVDF), the Hinered phenols antioxidant 1010 of mass ratio 1:2 and the compound 0.2% of phosphite ester kind antioxidant 168, pentaerythritol stearate (PETS) 0.5%.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 1.0dL/g; Described glass fibre be diameter 8 ~ 12 μm, length is alkali-free short glass fiber between 3 ~ 6mm, and its surface is by silane coupling agent process.
Preparation method: (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, the drying 30 ~ 45 minutes at 80 DEG C ~ 85 DEG C of the two idol-diphenyl phosphate of Resorcinol, stand-by; (2), by taking dry PC, PET and the two idol-diphenyl phosphate of Resorcinol by weight ratio, adding in high-speed mixer, stirring 2 ~ 5 minutes, then other each auxiliary agent taken by weight ratio is added, continue stirring 3 ~ 15 minutes, make fully to mix rear discharging, stand-by; (3), the compound of step (2) is added in twin screw extruder, extrudes after abundant melt blending at 235 DEG C ~ 270 DEG C, cooling granulation, get product.
Embodiment 2:
A kind of fiberglass reinforced toughening flame-proof PC/PET matrix material, its component by mass percent proportioning is: PC45%, PET25%, glass fibre 10%, ethylene-butyl acrylate copolymer (EBA) 5%, the mixture 10% of triphenylphosphate and dihydroxyphenyl propane pair even-(diphenyl phosphate), acrylonitritrile-styrene resin grafted maleic anhydride (AS-g-MAH) 4%, the tetrafluoroethylene (PTFE) of mass ratio 2:1 and the compound 0.3% of polyvinylidene difluoride (PVDF) (PVDF), the Hinered phenols antioxidant 1076 of mass ratio 1:2 and the compound 0.3% of phosphite ester kind antioxidant 168, pentaerythritol stearate (PETS) 0.4%.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 1.0dL/g; Described glass fibre be diameter 8 ~ 12 μm, length is alkali-free short glass fiber between 3 ~ 6mm, and its surface is by silane coupling agent process.
Preparation method: (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, triphenylphosphate and dihydroxyphenyl propane two even-mixture of (diphenyl phosphate) at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by; (2), the mixture of dry PC, PET, triphenylphosphate and dihydroxyphenyl propane pair even-(diphenyl phosphate) will be taken by weight ratio, add in high-speed mixer, stir 2 ~ 5 minutes, then other each auxiliary agent taken by weight ratio is added, continue stirring 3 ~ 15 minutes, make fully to mix rear discharging, stand-by; (3), the compound of step (2) is added in twin screw extruder, extrudes after abundant melt blending at 235 DEG C ~ 270 DEG C, cooling granulation, get product.
Claims (4)
1. a fiberglass reinforced toughening flame-proof PC/PET matrix material, it is characterized in that, its component by mass percent proportioning is: PC40% ~ 65%, PET10% ~ 30%, glass fibre 5% ~ 15%, toughner 5% ~ 10%, fire retardant 10% ~ 15%, compatilizer 2% ~ 4%, Antidrip agent 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. fiberglass reinforced toughening flame-proof PC/PET matrix material according to claim 1, is characterized in that, described glass fibre be diameter 8 ~ 12 μm, length is alkali-free short glass fiber between 3 ~ 6mm, and its surface is by silane coupling agent process.
3. fiberglass reinforced toughening flame-proof PC/PET matrix material according to claim 1, it is characterized in that, described toughner is the one in ethylene-methyl acrylate multipolymer (EMA), ethylene-butyl acrylate copolymer (EBA), ethylene-acrylate-glycidyl acrylate multipolymer (EMA-GMA), Maleic Anhydride Grafted Ethylene Butyl Acrylate Copolymer (EBA-g-MAH).
4. fiberglass reinforced toughening flame-proof PC/PET matrix material according to claim 1, it is characterized in that, described fire retardant is one or more in triphenylphosphate, the two idol-diphenyl phosphate of Resorcinol, bisphosphate diphenyl pentaerythritol, dihydroxyphenyl propane pair even-(diphenyl phosphate), red phosphor masterbatch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410451688.5A CN105462216A (en) | 2014-09-05 | 2014-09-05 | Glass fiber reinforced and toughened flame-retardant material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410451688.5A CN105462216A (en) | 2014-09-05 | 2014-09-05 | Glass fiber reinforced and toughened flame-retardant material |
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| CN105462216A true CN105462216A (en) | 2016-04-06 |
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| CN201410451688.5A Pending CN105462216A (en) | 2014-09-05 | 2014-09-05 | Glass fiber reinforced and toughened flame-retardant material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109575560A (en) * | 2018-11-30 | 2019-04-05 | 中广核俊尔新材料有限公司 | A kind of resistance to toluene, heat-resisting, fire retardation PC material and its preparation process |
| WO2023020396A1 (en) * | 2021-08-17 | 2023-02-23 | 金发科技股份有限公司 | Polycarbonate material having good appearance and high recycling rate, and preparation method therefor and use thereof |
-
2014
- 2014-09-05 CN CN201410451688.5A patent/CN105462216A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109575560A (en) * | 2018-11-30 | 2019-04-05 | 中广核俊尔新材料有限公司 | A kind of resistance to toluene, heat-resisting, fire retardation PC material and its preparation process |
| CN109575560B (en) * | 2018-11-30 | 2020-10-16 | 中广核俊尔新材料有限公司 | Toluene-resistant, heat-resistant and flame-retardant PC material and preparation process thereof |
| WO2023020396A1 (en) * | 2021-08-17 | 2023-02-23 | 金发科技股份有限公司 | Polycarbonate material having good appearance and high recycling rate, and preparation method therefor and use thereof |
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