CN102850755B - Flame-retardant SEBS (styrene-ethylene-butadiene-styrene block copolymer)-modified polycarbonate alloy material - Google Patents
Flame-retardant SEBS (styrene-ethylene-butadiene-styrene block copolymer)-modified polycarbonate alloy material Download PDFInfo
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- CN102850755B CN102850755B CN201210353336.7A CN201210353336A CN102850755B CN 102850755 B CN102850755 B CN 102850755B CN 201210353336 A CN201210353336 A CN 201210353336A CN 102850755 B CN102850755 B CN 102850755B
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Abstract
The invention relates to a flame-retardant SEBS (styrene-ethylene-butadiene-styrene block copolymer)-modified polycarbonate alloy material and belongs to the technical field of high polymer materials. The flame-retardant SEBS-modified polycarbonate alloy material comprises 160-180 parts of polycarbonate resin, 27-34 parts of SEBS resin, 8-14 parts of compatilizer master batches, 21-28 parts of flame retardants, 7-11 parts of metallic oxides, 0.3-0.7 parts of antiagers and 1.8-2.6 parts of lubricating agents. The flame-retardant SEBS-modified polycarbonate alloy material has good processability and satisfactory flame retardance besides excellent mechanical performance, the tensile strength is 47-53MPa, the elongation at break is 33-41%, the impact strength is 36-42KJ/m<2>, and the flame retardance is V-0 (UL-94-1.2mm).
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to a kind of polycarbonate alloy material of fire-retardant SEBS modification.
Background technology
SEBS is the multipolymer of " styrene-ethylene/butadiene-styrene ", and polycarbonate has good over-all properties, is widely used in the fields such as electric, building, packing, medicine equipment and communications and transportation.Polycarbonate flame retardant properties reaches V-2 grade, although be better than common thermoplastic material, but still be difficult to meet some Application Areas, as the requirement to polycarbonate material flame retardant properties such as machine element, trolley part, material of construction.And polycarbonate material processing temperature is high, material internal stress residue is high, easily to making material cracking.Usually use rubber component to carry out modification to it, improve the splitting resistance of polycarbonate material.The technical scheme that the present invention will introduce is below based on producing under this prerequisite.
Summary of the invention
Task of the present invention is to provide a kind of and contributes to improve processibility, be conducive to promote resistance to cracking and be of value to the polycarbonate alloy material of the fire-retardant SEBS modification that improves mechanical property and flame retardant properties.
Task of the present invention completes like this, a kind of polycarbonate alloy material of fire-retardant SEBS modification, and its raw material by following component forms:
In a specific embodiment of the present invention, described polycarbonate resin is bisphenol A polycarbonate resin.
In another specific embodiment of the present invention, the SEBS that described compatilizer masterbatch is maleic anhydride graft and the mixture of EVA resin.
In another specific embodiment of the present invention, described fire retardant is TDE.
In another specific embodiment of the present invention, described metal oxide is molybdic oxide.
Of the present invention, also have in a specific embodiment, described anti-aging agent is β (3,5-di-t-butyl-4-hydroxybenzene) propionic acid octadecanol ester.
More of the present invention and in a specific embodiment, described lubricant is two stearic amides.
Polycarbonate alloy material by fire-retardant SEBS modification provided by the invention has good processability, except having excellent mechanical property, also has desirable flame retardant properties.Tensile strength 47 ~ 53MPa, elongation at break 33 ~ 41%, shock strength 36 ~ 42KJ/m
2, flame retardant resistance V-0 (UL-94-1.2mm).
Embodiment
Embodiment 1:
175 parts of bisphenol A polycarbonate resins;
SEBS resin is 27 parts of the styrene-butadiene-styrene rubber of hydrogenation;
10 parts, the mixture of the SEBS of maleic anhydride graft and EVA resin;
28 parts of TDE;
7 parts of molybdic oxides;
0.7 part of β (3,5-di-t-butyl-4-hydroxybenzene) propionic acid octadecanol ester;
1.8 parts of two stearic amides.
Embodiment 2:
180 parts of bisphenol A polycarbonate resins;
SEBS resin is 34 parts of the styrene-butadiene-styrene rubber of hydrogenation;
8 parts, the mixture of the SEBS of maleic anhydride graft and EVA resin;
21 parts of TDE;
11 parts of molybdic oxides;
0.3 part of β (3,5-di-t-butyl-4-hydroxybenzene) propionic acid octadecanol ester;
2 parts of two stearic amides.
Embodiment 3:
160 parts of bisphenol A polycarbonate resins;
SEBS resin is 29 parts of the styrene-butadiene-styrene rubber of hydrogenation;
11 parts, the mixture of the SEBS of maleic anhydride graft and EVA resin;
24 parts of TDE;
8 parts of molybdic oxides;
0.4 part of β (3,5-di-t-butyl-4-hydroxybenzene) propionic acid octadecanol ester;
2.2 parts of two stearic amides.
Embodiment 4:
165 parts of bisphenol A polycarbonate resins;
SEBS resin is 31 parts of the styrene-butadiene-styrene rubber of hydrogenation;
14 parts, the mixture of the SEBS of maleic anhydride graft and EVA resin;
26 parts of TDE;
9 parts of molybdic oxides;
0.6 part of β (3,5-di-t-butyl-4-hydroxybenzene) propionic acid octadecanol ester;
2.6 parts of two stearic amides.
The polycarbonate alloy material of the fire-retardant SEBS modification being obtained by above-described embodiment 1 to 4 has the technical indicator shown in following table after tested:
Claims (4)
1.
the polycarbonate alloy material of SEBS modification, it is characterized in that its raw material by following component forms:
160 ~ 180 parts of polycarbonate resins;
27 ~ 34 parts of SEBS resins;
8 ~ 14 parts of compatilizer masterbatch;
21 ~ 28 parts of fire retardants;
7 ~ 11 parts of metal oxides;
0.3 ~ 0.7 part, anti-aging agent;
1.8 ~ 2.6 parts of lubricants, the SEBS that described compatilizer masterbatch is maleic anhydride graft and the mixture of EVA resin, described fire retardant is TDE, described metal oxide is molybdic oxide.
2.
the polycarbonate alloy material of fire-retardant SEBS modification according to claim 1, is characterized in that described polycarbonate resin is bisphenol A polycarbonate resin.
3.
the polycarbonate alloy material of fire-retardant SEBS modification according to claim 1, is characterized in that described anti-aging agent is β (3,5-di-t-butyl-4-hydroxybenzene) propionic acid octadecanol ester.
4.
the polycarbonate alloy material of fire-retardant SEBS modification according to claim 1, is characterized in that described lubricant is for two stearic amides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210353336.7A CN102850755B (en) | 2012-09-21 | 2012-09-21 | Flame-retardant SEBS (styrene-ethylene-butadiene-styrene block copolymer)-modified polycarbonate alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210353336.7A CN102850755B (en) | 2012-09-21 | 2012-09-21 | Flame-retardant SEBS (styrene-ethylene-butadiene-styrene block copolymer)-modified polycarbonate alloy material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102850755A CN102850755A (en) | 2013-01-02 |
| CN102850755B true CN102850755B (en) | 2014-01-15 |
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| CN201210353336.7A Expired - Fee Related CN102850755B (en) | 2012-09-21 | 2012-09-21 | Flame-retardant SEBS (styrene-ethylene-butadiene-styrene block copolymer)-modified polycarbonate alloy material |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103214815A (en) * | 2013-04-15 | 2013-07-24 | 苏州宇度医疗器械有限责任公司 | Light-colored halogen-free flame retardant polycarbonate mould plastic |
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| CN100528962C (en) * | 2006-01-20 | 2009-08-19 | 佛山市顺德区汉达精密电子科技有限公司 | High flexible flame retardant PC(polycarbonate)/ABS alloy |
| CN101067037B (en) * | 2007-05-30 | 2010-05-26 | 深圳市科聚新材料有限公司 | Fire retardant PC composition material and its preparation method |
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