CN102850752A - Preparation method of flame retardant SEBS modified polycarbonate alloy material - Google Patents
Preparation method of flame retardant SEBS modified polycarbonate alloy material Download PDFInfo
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- CN102850752A CN102850752A CN2012103530903A CN201210353090A CN102850752A CN 102850752 A CN102850752 A CN 102850752A CN 2012103530903 A CN2012103530903 A CN 2012103530903A CN 201210353090 A CN201210353090 A CN 201210353090A CN 102850752 A CN102850752 A CN 102850752A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Belonging to the technical field of high polymer material preparation, the invention relates to a preparation method of a flame retardant SEBS (styrene-ethylene/butadiene-styrene) modified polycarbonate alloy material. The method consists of: first putting 160-180 parts of polycarbonate resin into a drying device and drying it at 106DEG C, then placing the polycarbonate resin with 27-34 parts of SEBS resin, 8-14 parts of a compatibilizer masterbatch, 21-28 parts of a flame retardant, 7-11 parts of a metal oxide, 0.3-0.7 part of an anti-aging agent, and 1.8-2.6 parts of a lubricating agent into a high-speed mixer to conduct mixing, then transferring the mixture into a twin-screw extruder to carry out melt extrusion, controlling the first zone of the twin-screw extruder at a temperature of 265DEG C, the second zone at 268DEG C, the third zone at 273DEG C, the fourth zone at 278DEG C, the fifth zone at 283DEG C, the sixth zone at 288DEG C, the seventh zone at 288DEG C and the eighth zone at 288DEG C, and subjecting the material from a die to trough cooling and pelletizing, thus obtaining the flame retardant SEBS modified polycarbonate alloy material, which, in addition to good processing performance and cracking resistance as well as excellent mechanical properties, and also has ideal flame retardance.
Description
Technical field
The invention belongs to field of polymer material preparing technology, be specifically related to a kind of polycarbonate alloy material preparation method of fire-retardant SEBS modification.
Background technology
SEBS refers to 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.The polycarbonate flame retardant properties reaches the V-2 grade, although be better than common thermoplastic material, but still be difficult to satisfy some Application Areas, such as the requirement to the polycarbonate material flame retardant properties such as machine element, trolley part, material of construction.And the polycarbonate material processing temperature is high, and the material internal stress residue is high, easily to making the material cracking.Usually use rubber component that it is carried out modification, to improve the splitting resistance of polycarbonate material.The technical scheme that the present invention will introduce below is based on producing under this background.
Summary of the invention
Task of the present invention is to provide a kind of polycarbonate alloy material preparation method of fire-retardant SEBS modification, and the polycarbonate alloy material that is obtained by the method has good processibility, anti-cracking and has excellent mechanical property and flame retardant resistance.
Task of the present invention is finished like this, a kind of polycarbonate alloy material preparation method of fire-retardant SEBS modification, 160 ~ 180 parts of input drying installations of its polycarbonate resin that will take by weighing by weight first and at 106 ℃ of lower dry 150min, again in company with 27 ~ 34 parts of the SEBS resins that takes by weighing by weight, 8 ~ 14 parts of compatilizer masterbatch, 21 ~ 28 parts of fire retardants, 7 ~ 11 parts of metal oxides, mix 9min in 0.3 ~ 0.7 part in anti-aging agent and 1.8 ~ 2.6 parts of input high-speed mixers of lubricant, transferring to twin screw extruder melt extrudes, the temperature in one district to eight district of twin screw extruder is controlled to be: 265 ℃ of district's temperature, 268 ℃ of two district's temperature, 273 ℃ of three district's temperature, 278 ℃ of four district's temperature, 283 ℃ of five district's temperature, 288 ℃ of six district's temperature, 288 ℃ of 288 ℃ of He Ba districts of seven district's temperature temperature, through the tank cooling, obtain the polycarbonate alloy material of fire-retardant SEBS modification from mouth mould material out after the pelletizing.
In a specific embodiment of the present invention, described polycarbonate resin is the bisphenol A polycarbonate resin.
In another specific embodiment of the present invention, the SEBS that described compatilizer masterbatch is maleic anhydride graft and EVA resin blend thing.
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.
Also have in the specific embodiment of the present invention, described anti-aging agent is β (3,5-di-t-butyl-4-hydroxybenzene) propionic acid octadecanol ester.
More of the present invention and in specific embodiment, described lubricant is two stearic amides.
Except having good processing characteristics and anti-cracking and excellent mechanical property, also has desirable flame retardant properties by the polycarbonate alloy material of the fire-retardant SEBS modification of the inventive method preparation.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:
With in the 175 parts of input drying installations of bisphenol A polycarbonate resin that take by weighing by weight and at 106 ℃ of lower dry 150min, be 27 parts of the styrene-butadiene-styrene rubber of hydrogenation again in company with the SEBS resin that takes by weighing by weight, 10 parts of the SEBS of maleic anhydride graft and EVA resin blend things, 28 parts of TDE, 7 parts of molybdic oxides, β (3,5-di-t-butyl-4-hydroxybenzene) mixes 9min in 0.7 part of propionic acid octadecanol ester and two 1.8 parts of input high-speed mixers of stearic amide, transferring to twin screw extruder melt extrudes, the temperature in one district to eight district of twin screw extruder is controlled to be: 265 ℃ of district's temperature, 268 ℃ of two district's temperature, 273 ℃ of three district's temperature, 278 ℃ of four district's temperature, 283 ℃ of five district's temperature, 288 ℃ of six district's temperature, 288 ℃ of 288 ℃ of He Ba districts of seven district's temperature temperature, through the tank cooling, obtain the polycarbonate alloy material of fire-retardant SEBS modification from mouth mould material out after the pelletizing.
Embodiment 2:
With in the 180 parts of input drying installations of bisphenol A polycarbonate resin that take by weighing by weight and at 106 ℃ of lower dry 150min, be 34 parts of the styrene-butadiene-styrene rubber of hydrogenation again in company with the SEBS resin that takes by weighing by weight, 8 parts of the SEBS of maleic anhydride graft and EVA resin blend things, 21 parts of TDE, 11 parts of molybdic oxides, β (3,5-di-t-butyl-4-hydroxybenzene) mixes 9min in 0.3 part of propionic acid octadecanol ester and two 2 parts of input high-speed mixers of stearic amide, transfer to twin screw extruder and melt extrude, all the other are all with the description to embodiment 1.
Embodiment 3:
With in the 160 parts of input drying installations of bisphenol A polycarbonate resin that take by weighing by weight and at 106 ℃ of lower dry 150min, be 29 parts of the styrene-butadiene-styrene rubber of hydrogenation again in company with the SEBS resin that takes by weighing by weight, 11 parts of the SEBS of maleic anhydride graft and EVA resin blend things, 24 parts of TDE, 8 parts of molybdic oxides, β (3,5-di-t-butyl-4-hydroxybenzene) mixes 9min in 0.4 part of propionic acid octadecanol ester and two 2.2 parts of input high-speed mixers of stearic amide, transfer to twin screw extruder and melt extrude, all the other are all with the description to embodiment 1.
Embodiment 4:
With in the 165 parts of input drying installations of bisphenol A polycarbonate resin that take by weighing by weight and at 106 ℃ of lower dry 150min, be 31 parts of the styrene-butadiene-styrene rubber of hydrogenation again in company with the SEBS resin that takes by weighing by weight, 14 parts of the SEBS of maleic anhydride graft and EVA resin blend things, 26 parts of TDE, 9 parts of molybdic oxides, β (3,5-di-t-butyl-4-hydroxybenzene) mixes 9min in 0.6 part of propionic acid octadecanol ester and two 2.6 parts of input high-speed mixers of stearic amide, transfer to twin screw extruder and melt extrude, all the other are all with the description to embodiment 1.
The polycarbonate alloy material of the fire-retardant SEBS modification that is obtained by above-described embodiment 1 to 4 has the technical indicator shown in the following table after tested:
Claims (7)
1.
A kind of polycarbonate alloy material preparation method of fire-retardant SEBS modification, it is characterized in that 160 ~ 180 parts of input drying installations of its polycarbonate resin that will take by weighing by weight first and dry 150min under 106 ℃, again in company with 27 ~ 34 parts of the SEBS resins that takes by weighing by weight, 8 ~ 14 parts of compatilizer masterbatch, 21 ~ 28 parts of fire retardants, 7 ~ 11 parts of metal oxides, mix 9min in 0.3 ~ 0.7 part in anti-aging agent and 1.8 ~ 2.6 parts of input high-speed mixers of lubricant, transferring to twin screw extruder melt extrudes, the temperature in one district to eight district of twin screw extruder is controlled to be: 265 ℃ of district's temperature, 268 ℃ of two district's temperature, 273 ℃ of three district's temperature, 278 ℃ of four district's temperature, 283 ℃ of five district's temperature, 288 ℃ of six district's temperature, 288 ℃ of 288 ℃ of He Ba districts of seven district's temperature temperature, through the tank cooling, obtain the polycarbonate alloy material of fire-retardant SEBS modification from mouth mould material out after the pelletizing.
2.
The polycarbonate alloy material preparation method of fire-retardant SEBS modification according to claim 1 is characterized in that described polycarbonate resin is the bisphenol A polycarbonate resin.
3.
The polycarbonate alloy material preparation method of fire-retardant SEBS modification according to claim 1 is characterized in that SEBS and EVA resin blend thing that described compatilizer masterbatch is maleic anhydride graft.
4.
The polycarbonate alloy material preparation method of fire-retardant SEBS modification according to claim 1 is characterized in that described fire retardant is TDE.
5.
The polycarbonate alloy material preparation method of fire-retardant SEBS modification according to claim 1 is characterized in that described metal oxide is molybdic oxide.
6.
The polycarbonate alloy material preparation method 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.
7.
The polycarbonate alloy material preparation method of fire-retardant SEBS modification according to claim 1 is characterized in that described lubricant is two stearic amides
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210353090.3A CN102850752B (en) | 2012-09-21 | 2012-09-21 | Preparation method of flame retardant SEBS modified polycarbonate alloy material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210353090.3A CN102850752B (en) | 2012-09-21 | 2012-09-21 | Preparation method of flame retardant SEBS modified polycarbonate alloy material |
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| Publication Number | Publication Date |
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| CN102850752A true CN102850752A (en) | 2013-01-02 |
| CN102850752B CN102850752B (en) | 2014-03-26 |
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| CN201210353090.3A Expired - Fee Related CN102850752B (en) | 2012-09-21 | 2012-09-21 | Preparation method of flame retardant SEBS modified polycarbonate alloy material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205101A (en) * | 2013-04-15 | 2013-07-17 | 苏州宇度医疗器械有限责任公司 | Method for preparing light halogen-free flame retardant polycarbonate mold plastic |
| CN103554872A (en) * | 2013-10-25 | 2014-02-05 | 安徽省富光实业股份有限公司 | Styrene-ethylene/butylene-styrene block copolymer (SEBS) modified polycarbonate composite material for cup body and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003671A (en) * | 2006-01-20 | 2007-07-25 | 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 |
| CN101067037A (en) * | 2007-05-30 | 2007-11-07 | 深圳市科聚新材料有限公司 | Fire retardant PC composition material and its prepn |
-
2012
- 2012-09-21 CN CN201210353090.3A patent/CN102850752B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003671A (en) * | 2006-01-20 | 2007-07-25 | 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 |
| CN101067037A (en) * | 2007-05-30 | 2007-11-07 | 深圳市科聚新材料有限公司 | Fire retardant PC composition material and its prepn |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205101A (en) * | 2013-04-15 | 2013-07-17 | 苏州宇度医疗器械有限责任公司 | Method for preparing light halogen-free flame retardant polycarbonate mold plastic |
| CN103554872A (en) * | 2013-10-25 | 2014-02-05 | 安徽省富光实业股份有限公司 | Styrene-ethylene/butylene-styrene block copolymer (SEBS) modified polycarbonate composite material for cup body and preparation method thereof |
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| CN102850752B (en) | 2014-03-26 |
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