CN103709711A - Halogen-free flame retardant polycarbonate/glass fiber (PC/GF) composite material for electric meter shell - Google Patents
Halogen-free flame retardant polycarbonate/glass fiber (PC/GF) composite material for electric meter shell Download PDFInfo
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- CN103709711A CN103709711A CN201310732413.4A CN201310732413A CN103709711A CN 103709711 A CN103709711 A CN 103709711A CN 201310732413 A CN201310732413 A CN 201310732413A CN 103709711 A CN103709711 A CN 103709711A
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Abstract
The invention belongs to the technical field of plastic modification, and particularly relates to a halogen-free flame retardant polycarbonate/glass fiber (PC/GF) composite material for an electric meter shell. The material comprises the following components in parts by mass: 75-90 parts of PC, 8-15 parts of glass fibers, 2-4 parts of flexibilizer, 0.3-0.5 part of coupling agent, 0.1-0.3 part of antioxidant,1-3 parts of halogen-free flame retardant, 0.1-0.4 part of anti-dripping agent, and 0.8-1.2 parts of composite floating fiber curing agent. The preparation method comprises the steps of mixing, extruding and pelletizing. By adopting the material provided by the invention, the cost performance and the safety of a product can be improved, and the material can be widely applied to the electric meter shell.
Description
Technical field
The invention belongs to modifying plastics technical field, particularly a kind of halogen-free flame retardant PC/GF matrix material for meter case.
Background technology
PC has excellent performance and is widely used, especially there is outstanding shock resistance, the transparency and dimensional stability, good physical strength and electrical insulating property, be widely used in the fields such as electronics, electric, mechanical, automobile, space flight and aviation, building and household supplies.
Although PC is very extensive in field of electronics application, but its intensity is difficult to reach requirement, and the PC flame retardant resistance strengthening with glass is poor, Chinese invention patent application CN 102219990 A disclose a kind of polycarbonate composite material and preparation method thereof, it adopts brominated flame-retardant to improve flame retardant resistance, cost is higher, and not environmental protection.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of halogen-free flame retardant PC/GF matrix material for meter case, improve cost performance and the security of product, can be widely used on meter case.
Technical scheme of the present invention is: a kind of halogen-free flame retardant PC/GF matrix material for meter case, its component by following mass parts forms: PC 75-90, glass 8-15, toughner 2-4, coupling agent 0.3-0.5, oxidation inhibitor 0.1-0.3, halogen-free flame retardants 1-3, anti-dripping agent 0.1-0.4, compound floating fine remover 0.8-1.2.
Optimize, the main component of described halogen-free flame retardants is silicone based sulfonate.
Optimize, what described toughner adopted is the cold-resistant weather-proof toughner of organosilicon.
Optimize, described toughner has nucleocapsid structure, and the material of described nuclear structure is organic silicon composited acrylic acid, and the material of described shell structure is methyl methacrylate.
The preparation method of above-mentioned any one halogen-free flame retardant PC/GF matrix material for meter case provided by the invention, comprise the steps: first each component according to mass parts homogenizer stirring and evenly mixing, then proceed in twin screw extruder and melt extrude, cooling, last granulation can make product.
The environmental protection fire retarding agent that the present invention adopts, by forming fine and close carbon-coating on PC surface, finally reaches fire-retardant.
Beneficial effect of the present invention is: by adopting siliceous toughner, the toughness reinforcing while does not affect the flame retardant resistance of PC, and product flame retardant resistance rank is high, reaches 1.6mmV0; By adopting environmental protection fire retarding agent, the security that has improved product; Therefore material of the present invention has HI high impact, high strength, high flame retardant and the feature of environmental protection, and cost performance and the security of material are higher, can be widely used on meter case.
Embodiment
Below in conjunction with embodiment, illustrate the present invention.
The technical scheme of present embodiment is: a kind of halogen-free flame retardant PC/GF matrix material for meter case, its component by following mass parts forms: PC 75-90, glass 8-15, toughner 2-4, coupling agent 0.3-0.5, oxidation inhibitor 0.1-0.3, halogen-free flame retardants 1-3, anti-dripping agent 0.1-0.4, compound floating fine remover 0.8-1.2.
Wherein, the main component of described halogen-free flame retardants is silicone based sulfonate.
What wherein, described toughner adopted is the cold-resistant weather-proof toughner of organosilicon.
Wherein, described toughner has nucleocapsid structure, and the material of described nuclear structure is organic silicon composited acrylic acid, and the material of described shell structure is methyl methacrylate.
The preparation method of above-mentioned any one halogen-free flame retardant PC/GF matrix material for meter case that present embodiment provides, comprise the steps: first each component according to mass parts homogenizer stirring and evenly mixing, then proceed in twin screw extruder and melt extrude, cooling, last granulation can make product.
Wherein, raw material stirs 5-10min in homogenizer.
Wherein, finally by granulation, make cylindrical pellet product.
While wherein, extruding, the barrel temperature of twin screw extruder is 250-280 ℃.
The environmental protection fire retarding agent that present embodiment adopts, by forming fine and close carbon-coating on PC surface, finally reaches fire-retardant.
For further illustrating the present invention, present embodiment provides three samples, is designated as sample 1-3, and it forms in Table 1, and three samples are made to meter case, observes its outward appearance, carries out drop test and flame retardant test, and is recorded in table 1.
PC 75%-90%, glass 8%-15%, toughner 2%-4%, coupling agent 0.3%-0.5%, oxidation inhibitor 0.1%-0.3%, halogen-free flame retardants 1%-3%, anti-dripping agent 0.1%-0.4%, compound floating fine remover 0.8%-1.2%.
Table 1
| ? | Sample 1 | Sample 2 | Sample 3 |
| PC | 77% | 80% | 84% |
| Glass | 15% | 12% | 8% |
| Toughner | 4% | 4% | 4% |
| Coupling agent | 0.5% | 0.5% | 0.5% |
| Oxidation inhibitor | 0.1% | 0.1% | 0.1% |
| Halogen-free flame retardants | 2% | 2% | 2% |
| Anti-dripping agent | 0.4% | 0.4% | 0.4% |
| Compound floating fine remover | 1% | 1% | 1% |
| Outward appearance | Without floating fine | Without floating fine | Without floating fine |
| Drop test | Qualified | Qualified | Qualified |
| Flame retardant resistance | 1.6mmV0 | 1.6mmV0 | 1.6mmV0 |
By the known the present invention of upper table, by adopting siliceous toughner, the toughness reinforcing while does not affect the flame retardant resistance of PC, and product flame retardant resistance rank is high, reaches 1.6mmV0; By adopting environmental protection fire retarding agent, the security that has improved product; Therefore material of the present invention has HI high impact, high strength, high flame retardant and the feature of environmental protection, and cost performance and the security of material are higher, can be widely used on meter case.
Beneficial effect of the present invention is: by adopting siliceous toughner, the toughness reinforcing while does not affect the flame retardant resistance of PC, and product flame retardant resistance rank is high, reaches 1.6mmV0; By adopting environmental protection fire retarding agent, the security that has improved product; Therefore material of the present invention has HI high impact, high strength, high flame retardant and the feature of environmental protection, and cost performance and the security of material are higher, can be widely used on meter case.
Claims (4)
1. the matrix material of halogen-free flame retardant PC/GF for meter case, it is characterized in that: its component by following mass parts forms: PC 75-90, glass 8-15, toughner 2-4, coupling agent 0.3-0.5, oxidation inhibitor 0.1-0.3, halogen-free flame retardants 1-3, anti-dripping agent 0.1-0.4, compound floating fine remover 0.8-1.2.
2. halogen-free flame retardant PC/GF matrix material for meter case according to claim 1, is characterized in that: the main component of described halogen-free flame retardants is silicone based sulfonate.
3. halogen-free flame retardant PC/GF matrix material for meter case according to claim 2, is characterized in that: what described toughner adopted is the cold-resistant weather-proof toughner of organosilicon.
4. halogen-free flame retardant PC/GF matrix material for meter case according to claim 3, is characterized in that: described toughner has nucleocapsid structure, and the material of described nuclear structure is organic silicon composited acrylic acid, and the material of described shell structure is methyl methacrylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310732413.4A CN103709711A (en) | 2013-12-27 | 2013-12-27 | Halogen-free flame retardant polycarbonate/glass fiber (PC/GF) composite material for electric meter shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310732413.4A CN103709711A (en) | 2013-12-27 | 2013-12-27 | Halogen-free flame retardant polycarbonate/glass fiber (PC/GF) composite material for electric meter shell |
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| Publication Number | Publication Date |
|---|---|
| CN103709711A true CN103709711A (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310732413.4A Pending CN103709711A (en) | 2013-12-27 | 2013-12-27 | Halogen-free flame retardant polycarbonate/glass fiber (PC/GF) composite material for electric meter shell |
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| CN (1) | CN103709711A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104140662A (en) * | 2014-06-20 | 2014-11-12 | 广州合成材料研究院有限公司 | Special material for reinforced flame-retardant PC-based resin and preparation method of special material |
| CN107325510A (en) * | 2017-05-05 | 2017-11-07 | 东莞市骄阳塑胶科技有限公司 | A kind of meter case halogen-free flame retardant PC/GF composites |
-
2013
- 2013-12-27 CN CN201310732413.4A patent/CN103709711A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104140662A (en) * | 2014-06-20 | 2014-11-12 | 广州合成材料研究院有限公司 | Special material for reinforced flame-retardant PC-based resin and preparation method of special material |
| CN107325510A (en) * | 2017-05-05 | 2017-11-07 | 东莞市骄阳塑胶科技有限公司 | A kind of meter case halogen-free flame retardant PC/GF composites |
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Application publication date: 20140409 |
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| WD01 | Invention patent application deemed withdrawn after publication |