CN102134382A - Formula of halogen-free flame-retarding high-hardness polycarbonate alloy - Google Patents
Formula of halogen-free flame-retarding high-hardness polycarbonate alloy Download PDFInfo
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- CN102134382A CN102134382A CN2010103007112A CN201010300711A CN102134382A CN 102134382 A CN102134382 A CN 102134382A CN 2010103007112 A CN2010103007112 A CN 2010103007112A CN 201010300711 A CN201010300711 A CN 201010300711A CN 102134382 A CN102134382 A CN 102134382A
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Abstract
The invention discloses a formula of a halogen-free flame-retarding high-hardness polycarbonate alloy, which comprises the following components in percentage by weight: 50 to 75 percent of polycarbonate, 10 to 20 percent of methacrylate resin, 5 to 15 percent of acrylate graft, 10 to 25 percent of polyphosphate fire retardant, 0.2 to 0.5 percent of antioxygen and 0.3 to 1 percent of anti-dripping agent. When the formula of the halogen-free flame-retarding high-hardness polycarbonate alloy, which is disclosed by the invention is adopted, the polycarbonate alloy have high surface hardness and high fire resistance.
Description
[technical field]
The present invention relates to a kind of prescription of polycarbonate alloy, be specifically related to a kind of prescription of high rigidity polycarbonate alloy of halogen-free flameproof.
[background technology]
Polycarbonate (PC) plastics have high tenacity, and dimensional stability is good, advantages such as good heat resistance, but polycarbonate plastic is mobile poor, and surface hardness is lower, difficult forming, and product is to the breach sensitivity.ABS at present commonly used and its blend obtain HI high impact, good fluidity reaches PC/ABS alloy cheaply, but improve little to the lower defective of PC frosting hardness.Improve hardness by the blend methacrylate based polymers at present, but can't accomplish fire-retardantly, can't be used for the fire-retardant occasion of requirement.
In view of this, be necessary to provide a kind of high rigidity polycarbonate alloy of halogen-free flameproof in fact, the high rigidity polycarbonate alloy of this halogen-free flameproof has high surface hardness and excellent flame-retardant performance.
[summary of the invention]
Therefore, the purpose of this invention is to provide a kind of prescription of high rigidity polycarbonate alloy of halogen-free flameproof, make polycarbonate alloy have high surface hardness and excellent flame-retardant performance.
In order to achieve the above object, the prescription of the high rigidity polycarbonate alloy of halogen-free flameproof of the present invention, its composition fraction representation by weight comprises:
Polycarbonate 50-75%
Methacrylate resin 10-20%
Acrylic ester grafted thing 5-15%
Fire retardant of polyphosphate 10-25%
Oxidation inhibitor 0.2-0.5%
Antidrip agent 0.3-1%.
Preferable, above-mentioned polycarbonate is a bisphenol A polycarbonate.
Preferable, above-mentioned methacrylate resin is methyl methacrylate or methacrylic ester-acrylonitritrile-styrene resin.
Preferable, aforesaid propylene acid esters grafts is butadiene-acrylic acid ester grafts, ethylene-acrylate grafts or acrylate-styrene butadiene.
Preferable, above-mentioned fire retardant of polyphosphate is Resorcinol-two (phosphoric acid hexichol fat), Resorcinol-two (phosphoric acid hexichol fat) or Triphenyl phosphate (TPP).
Preferable, the system component of the high rigidity polycarbonate alloy of described halogen-free flameproof fraction representation by weight also comprises: the styrene base resin of 5-15%.
Preferable, above-mentioned styrene base resin is styrene-acrylonitrile-butadiene or styrene-acrylonitrile copolymer or copolymer in cinnamic acrylic ester.
Compared to prior art, the prescription of the high rigidity polycarbonate alloy of halogen-free flameproof of the present invention makes polycarbonate alloy have high surface hardness and excellent flame-retardant performance.
[embodiment]
Further specify the present invention below by embodiment.
Embodiment 1
Get polycarbonate, methacrylate resin, acrylic ester grafted thing, fire retardant of polyphosphate, oxidation inhibitor, Antidrip agent and all raw materials carried out blend by following compositing formula:
Bisphenol A polycarbonate 64.4%
Methyl methacrylate 18%
Acrylate-styrene butadiene 3%
Triphenyl phosphate (TPP) 14%
Oxidation inhibitor 0.3%
Antidrip agent 0.3%
Again blend composition is joined in the main barrel of twin screw extruder, main barrel exports each section controlled temperature and is respectively 220 degrees centigrade from the charging opening to the head, 230 degrees centigrade, 230 degrees centigrade, 220 degrees centigrade, 220 degrees centigrade, 230 degrees centigrade, the rotating speed of twin screw extruder is 450 rev/mins, blend composition is after twin screw extruder is extruded, the pelletizing after water-cooled of extruded stock bar, the gained granulated product was penetrated into the standard batten with injection molding machine of plastic after under 85 degrees centigrade the temperature dry 4 hours in convection oven, wherein injection temperature is 240 degrees centigrade, with the standard batten of injection formed in 50% relative humidity, placed 24 hours in 23 degrees centigrade of environment, at last by standard GB/T1040-1992, GB/T9341-2000, GB/T1843-1996, the mechanical property of GB/T3682-2000 test gained finished product, by its flame retardant properties of the U.S. UL94 of electrician association standard testing and test its hardness by ASTM D3363-2005 test mode, the result is as described in Table 1:
The performance of the high rigidity polycarbonate alloy of table 1: embodiment 1 halogen-free flameproof
| Test event | Testing method | Test parameter | Test result |
| Tensile strength (MPa) | GB/T1040-1992 | 50mm/min | 70 |
| Flexural strength (MPa) | GB/T9341-2000 | 5mm/min | 110 |
| Modulus in flexure (Mpa) | GB/T9341-2000 | 5mm/min | 3025 |
| Shock strength (KJ/M2) | GB/T1843-1996 | A type breach | 5 |
| Melting index (g/min) | GB/T3682-2000 | 260 degree 2.16kg | 18 |
| Flame retardant properties | UL94 | 1.6mm | V0 |
| Pencil hardness | ASTM?D3363-2005 | 500g | H |
Embodiment 2
Get polycarbonate, methacrylate resin, styrene base resin, acrylic ester grafted thing, fire retardant of polyphosphate, oxidation inhibitor, Antidrip agent and all raw materials carried out blend by following compositing formula:
Bisphenol A polycarbonate 57.4%
Methyl methacrylate 16%
Styrene-acrylonitrile-butadiene 5%
Acrylate-styrene butadiene 5%
Triphenyl phosphate (TPP) 16%
Oxidation inhibitor 0.3%
Antidrip agent 0.3%
Again blend composition is joined in the main barrel of twin screw extruder, main barrel exports each section controlled temperature and is respectively 220 degrees centigrade from the charging opening to the head, 230 degrees centigrade, 230 degrees centigrade, 220 degrees centigrade, 220 degrees centigrade, 230 degrees centigrade, the rotating speed of twin screw extruder is 450 rev/mins, blend composition is after twin screw extruder is extruded, the pelletizing after water-cooled of extruded stock bar, the gained granulated product was penetrated into the standard batten with injection molding machine of plastic after under 85 degrees centigrade the temperature dry 4 hours in convection oven, wherein injection temperature is 240 degrees centigrade, with the standard batten of injection formed in 50% relative humidity, placed 24 hours in 23 degrees centigrade of environment, at last by standard GB/T1040-1992, GB/T9341-2000, GB/T1843-1996, the mechanical property of GB/T3682-2000 test gained finished product, by its flame retardant properties of the U.S. UL94 of electrician association standard testing and test its hardness by ASTM D3363-2005 test mode, the result is as described in Table 2:
The performance of the high rigidity polycarbonate alloy of table 2: embodiment 2 halogen-free flameproofs
| Melting index (g/min) | GB/T3682-2000 | 260 degree 2.16kg | 30.56 |
| Flame retardant properties | UL94 | 1.6mm | V0 |
| Pencil hardness | ASTM?D3363-2005 | 500g | H |
Embodiment 3
Get polycarbonate, methacrylate resin, styrene base resin, acrylic ester grafted thing, fire retardant of polyphosphate, oxidation inhibitor, Antidrip agent and other auxiliary agents and all raw materials carried out blend by following compositing formula:
Bisphenol A polycarbonate 63.4%
Methyl methacrylate 15%
Styrene-acrylonitrile-butadiene 5%
Acrylate-styrene butadiene 3%
Triphenyl phosphate (TPP) 13%
Oxidation inhibitor 0.3%
Antidrip agent 0.3%
Again blend composition is joined in the main barrel of twin screw extruder, main barrel exports each section controlled temperature and is respectively 220 degrees centigrade from the charging opening to the head, 230 degrees centigrade, 230 degrees centigrade, 220 degrees centigrade, 220 degrees centigrade, 230 degrees centigrade, the rotating speed of twin screw extruder is 450 rev/mins, blend composition is after twin screw extruder is extruded, the pelletizing after water-cooled of extruded stock bar, the gained granulated product was penetrated into the standard batten with injection molding machine of plastic after under 85 degrees centigrade the temperature dry 4 hours in convection oven, wherein injection temperature is 240 degrees centigrade, with the standard batten of injection formed in 50% relative humidity, placed 24 hours in 23 degrees centigrade of environment, at last by standard GB/T1040-1992, GB/T9341-2000, GB/T1843-1996, the mechanical property of GB/T3682-2000 test gained finished product, by its flame retardant properties of the U.S. UL94 of electrician association standard testing and test its hardness by ASTM D3363-2005 test mode, the result is as described in Table 3:
The performance of the high rigidity polycarbonate alloy of table 3: embodiment 3 halogen-free flameproofs
| Test event | Testing method | Test parameter | Test result |
| Tensile strength (MPa) | GB/T1040-1992 | 50mm/min | 66.3 |
| Flexural strength (MPa) | GB/T9341-2000 | 5mm/min | 100 |
| Modulus in flexure (Mpa) | GB/T9341-2000 | 5mm/min | 2965 |
| Shock strength (KJ/M2) | GB/T1843-1996 | A type breach | 5 |
| Melting index (g/min) | GB/T3682-2000 | 260 degree 2.16kg | 19.2 |
| Flame retardant properties | UL94 | 1.6mm | V0 |
| Pencil hardness | ASTM?D3363-2005 | 500g | F |
Compared to prior art, the high rigidity polycarbonate alloy of halogen-free flameproof of the present invention has higher surface hardness and excellent flame-retardant performance.
Claims (10)
1. the prescription of the high rigidity polycarbonate alloy of a halogen-free flameproof is characterized in that, its composition fraction representation by weight comprises:
Polycarbonate 50-75%
Methacrylate resin 10-20%
Acrylic ester grafted thing 5-15%
Fire retardant of polyphosphate 10-25%
Oxidation inhibitor 0.2-0.5%
Antidrip agent 0.3-1%.
2. the prescription of the high rigidity polycarbonate alloy of halogen-free flameproof according to claim 1 is characterized in that, above-mentioned polycarbonate is a bisphenol A polycarbonate.
3. the prescription of the high rigidity polycarbonate alloy of halogen-free flameproof according to claim 1 is characterized in that, above-mentioned methacrylate resin is methyl methacrylate or methacrylic ester-acrylonitritrile-styrene resin.
4. the prescription of the high rigidity polycarbonate alloy of halogen-free flameproof according to claim 1 is characterized in that, aforesaid propylene acid esters grafts is butadiene-acrylic acid ester grafts, ethylene-acrylate grafts or acrylate-styrene butadiene.
5. the prescription of the high rigidity polycarbonate alloy of halogen-free flameproof according to claim 1 is characterized in that, above-mentioned fire retardant of polyphosphate is Resorcinol-two (phosphoric acid hexichol fat), Resorcinol-two (phosphoric acid hexichol fat) or Triphenyl phosphate (TPP).
6. the prescription of the high rigidity polycarbonate alloy of halogen-free flameproof according to claim 1 is characterized in that, its composition fraction representation by weight also comprises: the styrene base resin of 5-15%.
7. the prescription of the high rigidity polycarbonate alloy of halogen-free flameproof according to claim 6 is characterized in that, above-mentioned styrene base resin is styrene-acrylonitrile-butadiene or styrene-acrylonitrile copolymer or copolymer in cinnamic acrylic ester.
8. according to the prescription of the high rigidity polycarbonate alloy of each described halogen-free flameproof in the claim 1 to 5, it is characterized in that its composition fraction representation by weight comprises:
Bisphenol A polycarbonate 64.4%
Methyl methacrylate 18%
Acrylate-styrene butadiene 3%
Triphenyl phosphate (TPP) 14%
Oxidation inhibitor 0.3%
Antidrip agent 0.3%.
9. according to the prescription of the high rigidity polycarbonate alloy of each described halogen-free flameproof in the claim 1 to 7, it is characterized in that its composition fraction representation by weight comprises:
Bisphenol A polycarbonate 57.4%
Methyl methacrylate 16%
Styrene-acrylonitrile-butadiene 5%
Acrylate-styrene butadiene 5%
Triphenyl phosphate (TPP) 16%
Oxidation inhibitor 0.3%
Antidrip agent 0.3%.
10. according to the prescription of the high rigidity polycarbonate alloy of each described halogen-free flameproof in the claim 1 to 7, it is characterized in that its composition fraction representation by weight comprises:
Bisphenol A polycarbonate 63.4%
Methyl methacrylate 15%
Styrene-acrylonitrile-butadiene 5%
Acrylate-styrene butadiene 3%
Triphenyl phosphate (TPP) 13%
Oxidation inhibitor 0.3%
Antidrip agent 0.3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010103007112A CN102134382A (en) | 2010-01-26 | 2010-01-26 | Formula of halogen-free flame-retarding high-hardness polycarbonate alloy |
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|---|---|---|---|
| CN2010103007112A CN102134382A (en) | 2010-01-26 | 2010-01-26 | Formula of halogen-free flame-retarding high-hardness polycarbonate alloy |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469121A (en) * | 2007-12-25 | 2009-07-01 | 上海普利特复合材料股份有限公司 | High gloss, high hardness and uvioresistant polycarbonate plastic alloy |
| CN101475739A (en) * | 2008-11-28 | 2009-07-08 | 上海锦湖日丽塑料有限公司 | High gloss, scratch-resistant, halogen-free and flame-retardant polycarbonate resin composition |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469121A (en) * | 2007-12-25 | 2009-07-01 | 上海普利特复合材料股份有限公司 | High gloss, high hardness and uvioresistant polycarbonate plastic alloy |
| CN101475739A (en) * | 2008-11-28 | 2009-07-08 | 上海锦湖日丽塑料有限公司 | High gloss, scratch-resistant, halogen-free and flame-retardant polycarbonate resin composition |
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Application publication date: 20110727 |