CN103333477A - Halogen-free flame-retardant PC/PBT (Poly Carbonate/Polybutylene Terephthalate) composite material - Google Patents
Halogen-free flame-retardant PC/PBT (Poly Carbonate/Polybutylene Terephthalate) composite material Download PDFInfo
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- CN103333477A CN103333477A CN2013102525777A CN201310252577A CN103333477A CN 103333477 A CN103333477 A CN 103333477A CN 2013102525777 A CN2013102525777 A CN 2013102525777A CN 201310252577 A CN201310252577 A CN 201310252577A CN 103333477 A CN103333477 A CN 103333477A
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Abstract
The invention discloses a halogen-free flame-retardant PC/PBT (Poly Carbonate/Polybutylene Terephthalate) composite material which is prepared from the following raw materials in parts by mass: 72-78 parts of bisphenol A type poly carbonate, 10-32 parts of polybutylene terephthalate, 8-13 parts of maleic anhydride grafting POE8, 12-18 parts of boron fiber, 0.4-0.8 part of glycerol tristearate, 2-8 parts of a flame retardant HT-202A, 0.5-1 part of bi(3,5-tert-butyl-4-hydroxy phenyl) thioether, 0.1-0.5 part of a composite antioxidant and 0.3-0.7 part of polyethylene wax, wherein a carbonized boron coating layer is arranged on the surface of the boron fiber. The PC/PBT composite material prepared from the formula disclosed by the invention has good scrape resistance, the flame retardant property of the material can be a UL94V-0 grade, and good mechanical property is achieved.
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to a kind of halogen-free flame retardant PC/PBT matrix material.
Background technology
The PBT plastics are a kind of thermoplastic engineering plastics based on polybutylene terephthalate, have excellent mechanical property: its fatigue resistance is strong, dimensional stabilizing good, intensity is high, also have excellent electric property and solvent resistance, because of its crystallization velocity fast, good fluidity, also low than Other Engineering plastics to the requirement of die temperature, so have good processing forming, but because its warpage properties is higher, so the application of PBT on automobile component is restricted.PC is polycarbonate, has good optical and toughness, and its creep properties is better, but its solvent resistance, scratch resistance trace and processing fluidity are all relatively poor.
The PC/PBT matrix material can effectively remedy both defectives, can reduce the angularity of PBT, improves its heat-drawn wire; Can improve processibility and the solvent resistance of PC, but for the PC/PBT matrix material, its flame retardant properties and scratch resistance performance are not greatly improved yet.
In sum, flame retardant properties and scratch resistance performance how effectively to improve the PC/PBT matrix material is the technical barrier that needs to be resolved hurrily.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and a kind of halogen-free flame retardant PC/PBT matrix material is provided.
Technical scheme: halogen-free flame retardant PC/PBT matrix material, the raw material that comprises following mass fraction: bisphenol A polycarbonate 72-78 part, polybutylene terephthalate 10-32 part, maleic anhydride graft POE 8-13 part, boron fibre 12-18 part, Tristearoylglycerol 0.4-0.8 part, fire retardant HT-202A 2-8 part, two (three grades of butyl of 3,5--4-hydroxy phenyl) thioether 0.5-1 part, composite antioxidant 215 0.1-0.5 parts, polyethylene wax 0.3-0.7 part
Further preferred, described boron fibre surface has the norbide coat.
Preparation method of the present invention: bisphenol A polycarbonate and polybutylene terephthalate are dried 6h down in 130 ℃, according to said ratio, PC, PBT, maleic anhydride graft POE, boron fibre, Tristearoylglycerol, fire retardant HT-202A 2-8 part, two (3 with oven dry, three grades of butyl of 5--4-hydroxy phenyl) thioether, composite antioxidant 215, polyethylene wax place high-speed mixer and mixing 10-15min, after mixture is carried out extruding pelletization through twin screw, each section of forcing machine temperature is controlled at 230-250 ℃.
Beneficial effect: the PC/PBT matrix material that is made by prescription of the present invention has good scratch resistance, and its flame retardant properties is the UL94V-0 level, and has the favorable mechanical performance.
Embodiment
Maleic anhydride graft POE of the present invention moulds safe polymer Science and Technology Ltd. from Nanjing, and percentage of grafting is 1.0-1.3MA%, and melting index is: 0.6-2.0g/10min.
The present invention is described in further detail below in conjunction with embodiment.
Embodiment 1
Halogen-free flame retardant PC/PBT matrix material, the raw material that comprises following mass fraction: 72 parts of bisphenol A polycarbonates, 10 parts of polybutylene terephthalates, 8 parts of maleic anhydride graft POE, norbide apply 12 parts of boron fibres, 0.4 part of Tristearoylglycerol, 2 parts of fire retardant HT-202A, two (three grades of butyl of 3,5--4-hydroxy phenyl) 0.5 part of thioether, 215 0.1 parts of composite antioxidants, 0.3 part of polyethylene wax.
Embodiment 2
Halogen-free flame retardant PC/PBT matrix material, the raw material that comprises following mass fraction: 78 parts of bisphenol A polycarbonates, 32 parts of polybutylene terephthalates, 13 parts of maleic anhydride graft POE, norbide apply 18 parts of boron fibres, 0.8 part of Tristearoylglycerol, 8 parts of fire retardant HT-202A, two (three grades of butyl of 3,5--4-hydroxy phenyl) 1 part of thioether, 215 0.5 parts of composite antioxidants, 0.7 part of polyethylene wax.
Embodiment 3
Halogen-free flame retardant PC/PBT matrix material, the raw material that comprises following mass fraction: 76 parts of bisphenol A polycarbonates, 22 parts of polybutylene terephthalates, 10.8 parts of maleic anhydride graft POE, norbide apply 16 parts of boron fibres, 0.65 part of Tristearoylglycerol, 4.6 parts of fire retardant HT-202A, two (three grades of butyl of 3,5--4-hydroxy phenyl) 0.7 part of thioether, 215 0.4 parts of composite antioxidants, 0.48 part of polyethylene wax.
Embodiment 1-3 gained material is carried out performance test, and test result sees the following form 1.
Table 1 embodiment 1-3 gained material properties test data
| Performance | Testing standard | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Heat-drawn wire (1.8MPa), ℃ | ASTM D648 | 105 | 110 | 104 |
| Tensile strength, MPa | ASTM D638 | 68 | 72 | 69 |
| Flame retardant properties | UL-94 | V1 | V0 | V1 |
| Melting index (g/10min), 260 ℃, 5kg, | ? | 50 | 48 | 49 |
| Mar-proof performance | ? | 2 | 1 | 1 |
| Flexural strength, MPa | ASTM D790 | 105 | 110 | 108 |
As seen from the above table, product of the present invention has flame retardant properties preferably, the favorable mechanical performance, performance that it is mar-proof test: the injection molding size of sample is 100 * 100 * 3mm, is that the pen of 0.5mm is under load 15N with the nib diameter, carry out scratch test on the model surface, the cut performance is divided into 5 grades, and one-level is best, and Pyatyi is the poorest, as can be seen from the above table, the present invention has good mar-proof performance.
Claims (2)
1. halogen-free flame retardant PC/PBT matrix material, it is characterized in that, the raw material that comprises following mass fraction: bisphenol A polycarbonate 72-78 part, polybutylene terephthalate 10-32 part, maleic anhydride graft POE 8-13 part, boron fibre 12-18 part, Tristearoylglycerol 0.4-0.8 part, fire retardant HT-202A 2-8 part, two (three grades of butyl of 3,5--4-hydroxy phenyl) thioether 0.5-1 part, composite antioxidant 215 0.1-0.5 parts, polyethylene wax 0.3-0.7 part.
2. halogen-free flame retardant PC according to claim 1/PBT matrix material is characterized in that, described boron fibre surface has the norbide coat.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102525777A CN103333477A (en) | 2013-06-24 | 2013-06-24 | Halogen-free flame-retardant PC/PBT (Poly Carbonate/Polybutylene Terephthalate) composite material |
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| CN2013102525777A CN103333477A (en) | 2013-06-24 | 2013-06-24 | Halogen-free flame-retardant PC/PBT (Poly Carbonate/Polybutylene Terephthalate) composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112430386A (en) * | 2019-08-26 | 2021-03-02 | 汉达精密电子(昆山)有限公司 | Ultraviolet absorbent master batch, transparent polycarbonate material and product thereof |
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| CN101765634A (en) * | 2007-08-01 | 2010-06-30 | 第一毛织株式会社 | Method of manufacturing polycarbonate/ polyester resin composition and composition manufactured therefrom |
| CN102391634A (en) * | 2011-07-20 | 2012-03-28 | 东莞劲胜精密组件股份有限公司 | Highly-abrasion-resistant anti-scratching modified PC (polycarbonate) material and preparation method thereof |
| CN103013088A (en) * | 2012-12-29 | 2013-04-03 | 东莞市奥能工程塑料有限公司 | High-rigidity polycarbonate composite material and preparation method thereof |
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Patent Citations (4)
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| CN101296986A (en) * | 2005-08-31 | 2008-10-29 | 巴塞尔聚烯烃意大利有限责任公司 | Molding-compositions composed of filler-reinforced thermoplastic material with very good scratch resistance and soft-touch feel |
| CN101765634A (en) * | 2007-08-01 | 2010-06-30 | 第一毛织株式会社 | Method of manufacturing polycarbonate/ polyester resin composition and composition manufactured therefrom |
| CN102391634A (en) * | 2011-07-20 | 2012-03-28 | 东莞劲胜精密组件股份有限公司 | Highly-abrasion-resistant anti-scratching modified PC (polycarbonate) material and preparation method thereof |
| CN103013088A (en) * | 2012-12-29 | 2013-04-03 | 东莞市奥能工程塑料有限公司 | High-rigidity polycarbonate composite material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112430386A (en) * | 2019-08-26 | 2021-03-02 | 汉达精密电子(昆山)有限公司 | Ultraviolet absorbent master batch, transparent polycarbonate material and product thereof |
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Application publication date: 20131002 |