CN103772948A - Polycarbonate composite material and preparation method thereof - Google Patents
Polycarbonate composite material and preparation method thereof Download PDFInfo
- Publication number
- CN103772948A CN103772948A CN201410032715.5A CN201410032715A CN103772948A CN 103772948 A CN103772948 A CN 103772948A CN 201410032715 A CN201410032715 A CN 201410032715A CN 103772948 A CN103772948 A CN 103772948A
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- CN
- China
- Prior art keywords
- composite material
- parts
- polycarbonate
- weight part
- polycarbonate composite
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/92885—Screw or gear
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the field of high polymer materials and discloses a polycarbonate composite material and a preparation method thereof. The polycarbonate composite material is prepared from the following components in parts by weight: 70-80 parts of polycarbonate, 30-38 parts of thermal-conductive filler, 10-15 parts of flame retardant, 0.1-1 parts of photo-thermal stabilizer, 1.5-2.5 parts of compatilizer, 0.5-5 parts of antioxidant 168, 1-5 parts of anti-dripping agent and 0.5-1.2 parts of coupling agent KH560. The composite material is prepared from the steps of uniformly mixing the above raw materials, adding the mixed raw materials into a double-screw extruder, mixing, extruding, drawing into bars, cooling and cutting into grains. The polycarbonate composite material has high thermal-conductive property and good mechanical strength, and can be applied to the fields such as electronic devices, communication, automobiles, computers and car trimming.
Description
Technical field
The invention belongs to polymeric material field, relate in particular to a kind of polycarbonate composite material and preparation method thereof.
Background technology
Polycarbonate (PC) is the high molecular polymer that contains carbonate group in molecular chain, PC alloy and other material modified electronic apparatus, communication and automobile industries of being widely used in, computer, car trim, article case lid etc.Due to the miniaturization development trend of present electronic apparatus, in order to guarantee instrument stabilizer work, often need material to there is good heat conductivility, be convenient to heat radiation.
PC is amorphous material, and the heat conductivility of itself is not high, only has 0.2W/mK left and right, and therefore the service requirements that does not reach some utensils, guaranteeing, on the basis of PC resin premium properties, to improve its heat conductivility, can expand the Application Areas of PC material.
Summary of the invention
The object of this invention is to provide a kind of polycarbonate composite material and preparation method thereof.This polycarbonate composite material has high thermal conductivity energy, and better physical strength, can be applicable to the fields such as electronic apparatus, communication, automobile industry, computer, car trim.
Another object of the present invention is to provide the preparation method of above-mentioned polycarbonate composite material, and the method technique is simple, and operating process does not affect substantially on human body and environment.
Object of the present invention is achieved through the following technical solutions:
A kind of polycarbonate composite material, made by the component that comprises following weight part:
Polycarbonate 70-80 part,
Heat conductive filler 30-38 part,
Fire retardant 10-15 part,
Optothermal stabilizer 0.1-1 part,
Compatilizer 1.5-2.5 part,
Irgasfos 168 0.5-5 part,
Antidrip agent 1-5 part,
Coupling agent 0.5-1.2 part.
Described heat conductive filler is aluminum oxide or silicon carbide.
Described fire retardant is the mixing of one or more (BDP), in triphenylphosphate (TPP) or diphenyl phosphite of dihydroxyphenyl propane two (diphenyl phosphoesters).
Described optothermal stabilizer is diphenyl phosphite, triphenyl phosphite or its mixture; Described compatilizer is Research of Grafting Malaic Anhydride Onto Polyethylene; Described Antidrip agent is tetrafluoroethylene; Described coupling agent is γ-glycidyl ether oxygen propyl trimethoxy silicane (KH560).
A preparation method for polycarbonate composite material, comprises the following steps:
After 70-80 weight part polycarbonate, 30-38 weight part heat conductive filler, 10-15 parts by weight of flame retardant, 0.1-1 weight part optothermal stabilizer, 1.5-2.5 weight part compatilizer, 0.5-5 weight part irgasfos 168,1-5 weight part Antidrip agent and 0.5-1.2 weight part coupling agent KH560 are mixed, send in twin screw extruder, through mixing, extrude, obtain finished product after tie rod, cooling, pelletizing; Each section of extruder temperature of twin screw extruder is between 230-260 ℃, and screw speed is 200-400 rev/min.
beneficial effect:
The present invention adopts by adding a certain amount of heat conductive filler and PC blend, by the blend injection moulding obtaining, to make the polycarbonate composite material with heat conductivility, simultaneously, halogen-free flame retardants and compatilizer Research of Grafting Malaic Anhydride Onto Polyethylene in the present invention, are added, when flame retardant properties is largely increased, and improve the mechanical property of material, made material have that shock strength is high, machine-shaping good, flame retardant properties is high, thermal conductivity high.Making method of the present invention is simple, with low cost.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
After two to 75kg polycarbonate, 34kg aluminum oxide, 15kg dihydroxyphenyl propane (diphenyl phosphoester), 1kg diphenyl phosphites, 1.5kg Research of Grafting Malaic Anhydride Onto Polyethylene, 5kg irgasfos 168,1kg tetrafluoroethylene and 0.8kg coupling agent KH560 are mixed, send in twin screw extruder, through mixing, extrude, obtain finished product after tie rod, cooling, pelletizing;
The temperature in the each district of screw rod is: the first 230 ℃, district, and 240 ℃ of Second Regions, 250 ℃, San district, 260 ℃, Si district, screw speed is 200 revs/min.
The performance test results that makes material is as shown in table 1.
Embodiment 2
After 70kg polycarbonate, 38kg silicon carbide, 10kg triphenylphosphate, 0.1kg triphenyl phosphite and diphenyl phosphite, 2.5kg Research of Grafting Malaic Anhydride Onto Polyethylene, 3kg irgasfos 168,2.5kg tetrafluoroethylene and 0.5kg coupling agent KH560 are mixed, send in twin screw extruder, through mixing, extrude, obtain finished product after tie rod, cooling, pelletizing;
The temperature in the each district of screw rod is: the first 230 ℃, district, and 240 ℃ of Second Regions, 250 ℃, San district, 260 ℃, Si district, screw speed is 400 revs/min.
The performance test results that makes material is as shown in table 1.
Embodiment 3
After 80kg polycarbonate, 30kg aluminum oxide, 12kg diphenyl phosphite, 0.5kg triphenyl phosphite, 2kg Research of Grafting Malaic Anhydride Onto Polyethylene, 0.5kg irgasfos 168,5kg tetrafluoroethylene and 1.2kg coupling agent KH560 are mixed, send in twin screw extruder, through mixing, extrude, obtain finished product after tie rod, cooling, pelletizing;
The temperature in the each district of screw rod is: the first 230 ℃, district, and 240 ℃ of Second Regions, 250 ℃, San district, 260 ℃, Si district, screw speed is 300 revs/min.
The performance test results that makes material is as shown in table 1.
Table 1
Claims (5)
1. a polycarbonate composite material, is characterized in that, is made up of the component that comprises following weight part:
Polycarbonate 70-80 part,
Heat conductive filler 30-38 part,
Fire retardant 10-15 part,
Optothermal stabilizer 0.1-1 part,
Compatilizer 1.5-2.5 part,
Irgasfos 168 0.5-5 part,
Antidrip agent 1-5 part,
Coupling agent KH560 0.5-1.2 part.
2. polycarbonate composite material according to claim 1, is characterized in that, described heat conductive filler is aluminum oxide or silicon carbide.
3. polycarbonate composite material according to claim 1, is characterized in that, described fire retardant is one or more the mixing in dihydroxyphenyl propane two (diphenyl phosphoesters), triphenylphosphate or diphenyl phosphite.
4. polycarbonate composite material according to claim 1, is characterized in that, described optothermal stabilizer is diphenyl phosphite, triphenyl phosphite or its mixture; Described compatilizer is Research of Grafting Malaic Anhydride Onto Polyethylene; Described Antidrip agent is tetrafluoroethylene.
5. a preparation method for polycarbonate composite material, is characterized in that, comprises the following steps:
After 70-80 weight part polycarbonate, 30-38 weight part heat conductive filler, 10-15 parts by weight of flame retardant, 0.1-1 weight part optothermal stabilizer, 1.5-2.5 weight part compatilizer, 0.5-5 weight part irgasfos 168,1-5 weight part Antidrip agent and 0.5-1.2 weight part coupling agent KH560 are mixed, send in twin screw extruder, through mixing, extrude, obtain finished product after tie rod, cooling, pelletizing; Each section of extruder temperature of twin screw extruder is between 230-260 ℃, and screw speed is 200-400 rev/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032715.5A CN103772948A (en) | 2014-01-24 | 2014-01-24 | Polycarbonate composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032715.5A CN103772948A (en) | 2014-01-24 | 2014-01-24 | Polycarbonate composite material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103772948A true CN103772948A (en) | 2014-05-07 |
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Family Applications (1)
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| CN201410032715.5A Pending CN103772948A (en) | 2014-01-24 | 2014-01-24 | Polycarbonate composite material and preparation method thereof |
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| CN (1) | CN103772948A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107129670A (en) * | 2017-05-18 | 2017-09-05 | 福建华塑新材料有限公司 | It is a kind of applied to anti-aging polycarbonate alloy of switch panel and preparation method thereof |
| CN109575558A (en) * | 2018-11-28 | 2019-04-05 | 山东利特纳米技术有限公司 | A kind of polymer composite and preparation method thereof for notebook computer casing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102558821A (en) * | 2012-02-03 | 2012-07-11 | 苏州奥美材料科技有限公司 | Thermal conductive halogen-free flame-retardant polycarbonate resin material and preparation method of composition |
-
2014
- 2014-01-24 CN CN201410032715.5A patent/CN103772948A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102558821A (en) * | 2012-02-03 | 2012-07-11 | 苏州奥美材料科技有限公司 | Thermal conductive halogen-free flame-retardant polycarbonate resin material and preparation method of composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107129670A (en) * | 2017-05-18 | 2017-09-05 | 福建华塑新材料有限公司 | It is a kind of applied to anti-aging polycarbonate alloy of switch panel and preparation method thereof |
| CN109575558A (en) * | 2018-11-28 | 2019-04-05 | 山东利特纳米技术有限公司 | A kind of polymer composite and preparation method thereof for notebook computer casing |
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Application publication date: 20140507 |