CN104650560A - PC/PBT blend alloy with excellent electric and heat conduction and flame retardance - Google Patents
PC/PBT blend alloy with excellent electric and heat conduction and flame retardance Download PDFInfo
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- CN104650560A CN104650560A CN201310597441.XA CN201310597441A CN104650560A CN 104650560 A CN104650560 A CN 104650560A CN 201310597441 A CN201310597441 A CN 201310597441A CN 104650560 A CN104650560 A CN 104650560A
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- conductive
- pbt
- blend alloy
- heat
- flame retardancy
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- 239000000203 mixture Substances 0.000 title claims abstract description 21
- 239000000956 alloy Substances 0.000 title claims abstract description 20
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 20
- 229920006778 PC/PBT Polymers 0.000 title claims abstract description 18
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 239000011231 conductive filler Substances 0.000 claims abstract description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000314 lubricant Substances 0.000 claims abstract description 6
- 239000004417 polycarbonate Substances 0.000 claims description 21
- 229920000515 polycarbonate Polymers 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 7
- 239000003112 inhibitor Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 229910017083 AlN Inorganic materials 0.000 claims description 3
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 3
- 230000003064 anti-oxidating effect Effects 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 claims description 3
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 239000006258 conductive agent Substances 0.000 abstract 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 17
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 3
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 150000008301 phosphite esters Chemical class 0.000 description 3
- -1 polybutylene terephthalate Polymers 0.000 description 3
- 229930185605 Bisphenol Natural products 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a PC/PBT blend alloy with excellent electric and heat conduction and flame retardance. The PC/PBT blend alloy comprises, by mass, 20%-60% of PC, 20%-60% of PBT, 1%-4% of a compatibilizer, 0.1%-1.5% of triphenyl phosphite, 3%-8% of a heat conductive agent, 2%-10% of a conductive filler, 3%-8% of a flame retardant, 0.1%-0.5% of an antioxidant, and 0.1%-1% of a lubricant. The PC/PBT blend alloy prepared by the invention has the outstanding performance of PC and PBT respectively, at the same time has excellent electric and heat conduction and flame retardance, and good processability, and is low in cost, thus having very high practical value and application prospect, and being widely applicable to automobiles, home appliances, lighting, electronic communication and other fields.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of PC/PBT blend alloy with conductive and heat-conductive and excellent flame retardancy.
Background technology
Polycarbonate (PC) and polybutylene terephthalate (PBT) all belong to general engineering plastic.PC excellent performance, especially shock strength is high, ranks first in engineering plastics, and creep resistant is good, and second-order transition temperature is high, can use continuously, have good electrical insulating property and dimensional stability in the scope of 120 DEG C ~ 130 DEG C; But the melt viscosity of PC is large, and poor fluidity, poor solvent resistance, wears no resistance.PBT is a kind of crystallization velocity thermoplastic engineering plastic faster, and have excellent solvent resistance, fluidity of molten is good; But the second-order transition temperature of PBT is low, high temperature rigid is not enough, and notch sensitivity is large.Therefore, PC, PBT are carried out blending and modifying, PBT poor heat resistance, shock-resistance is low, notched Izod impact strength is not high shortcoming can be overcome, compensate for the deficiency of PC chemical proofing, molding processibility and wear resistance simultaneously.In order to improve further PC/PBT alloy mechanical property, improve processing characteristics etc., in this alloy system, often introduce three components, as fire retardant, expanding material etc., be intended to obtain multi-functional, high-performance and have much the blend alloy of practical value.
Summary of the invention
The object of the present invention is to provide a kind of PC/PBT blend alloy with conductive and heat-conductive and excellent flame retardancy.
The technical solution adopted for the present invention to solve the technical problems is: the PC/PBT blend alloy with conductive and heat-conductive and excellent flame retardancy, and its component by mass percent proportioning is: PC 20% ~ 60%, PBT 20% ~ 60%, expanding material 1% ~ 4%, triphenyl phosphite 0.1% ~ 1.5%, thermal conducting agent 3% ~ 8%, conductive filler material 2% ~ 10%, fire retardant 3% ~ 8%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.
Described PBT is polybutylene terephthalate.
Described toughness reinforcing compatilizer is Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer, and the weight percentage of its glycidyl methacrylate contained is 2% ~ 10%.
Described thermal conducting agent is the superfine aluminium nitride powder of surface through waterproof and antioxidation treatment, and its particle diameter is between 2 ~ 30 μm, and density is 2.32 ~ 2.38g/cm
3.
Described conductive filler material is the gas-phase grown nanometer carbon fibre of diameter at 50nm ~ 200nm.
Described fire retardant is brominated polycarbonate oligomer based flame retardant BC-58.
Described oxidation inhibitor is the compound of Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168.
Described lubricant is the one in calcium stearate, ethylene bis stearamide, pentaerythritol stearate.
The above-mentioned preparation method with the PC/PBT blend alloy of conductive and heat-conductive and excellent flame retardancy, comprises the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by;
(2), dry PC and PBT is taken by weight ratio, and add in high-speed mixer respectively and mix, then the expanding material, triphenyl phosphite, thermal conducting agent, conductive filler material, fire retardant, oxidation inhibitor, the lubricant that take by weight ratio is added, and to stir together 10 ~ 25 minutes and after reaching Homogeneous phase mixing, discharging;
(3), add in twin screw extruder by the material of step (2), blending extrusion at 230 DEG C ~ 260 DEG C, screw speed is 200 ~ 400r/min, gets product through granulation.
The invention has the beneficial effects as follows, compared with prior art, the PC/PBT blend alloy that the present invention obtains, while PC, PBT separately excellent properties, there is excellent electrical and thermal conductivity performance and flame retardant properties, and good processability, cost is low, thus there is very high practical value and application prospect, the fields such as automobile, household electrical appliances, illumination, telecommunications can be widely used in.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Have a PC/PBT blend alloy for conductive and heat-conductive and excellent flame retardancy, its component by mass percent proportioning is: PC 40%, PBT 38%, expanding material 3.5%, triphenyl phosphite 1.5%, thermal conducting agent 3%, diameter are at compound 0.2%, the pentaerythritol stearate 0.8% of the gas-phase grown nanometer carbon fibre 5% of 50nm ~ 200nm, brominated polycarbonate oligomer based flame retardant BC-58 8%, Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PBT is polybutylene terephthalate; Described toughness reinforcing compatilizer is Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer, and the weight percentage of its glycidyl methacrylate contained is 2% ~ 10%; Described thermal conducting agent is the superfine aluminium nitride powder of surface through waterproof and antioxidation treatment, and its particle diameter is between 2 ~ 30 μm, and density is 2.32 ~ 2.38g/cm
3.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by; (2), dry PC and PBT is taken by weight ratio, and add in high-speed mixer respectively and mix, then add take by weight ratio expanding material, triphenyl phosphite, thermal conducting agent, diameter is at compound, the pentaerythritol stearate of the gas-phase grown nanometer carbon fibre of 50nm ~ 200nm, brominated polycarbonate oligomer based flame retardant BC-58, Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168, and to stir together 10 ~ 25 minutes and after reaching Homogeneous phase mixing, discharging; (3), add in twin screw extruder by the material of step (2), blending extrusion at 230 DEG C ~ 260 DEG C, screw speed is 200 ~ 400r/min, gets product through granulation.
Claims (6)
1. one kind has the PC/PBT blend alloy of conductive and heat-conductive and excellent flame retardancy, it is characterized in that, its component by mass percent proportioning is: PC 20% ~ 60%, PBT 20% ~ 60%, expanding material 1% ~ 4%, triphenyl phosphite 0.1% ~ 1.5%, thermal conducting agent 3% ~ 8%, conductive filler material 2% ~ 10%, fire retardant 3% ~ 8%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. the PC/PBT blend alloy with conductive and heat-conductive and excellent flame retardancy according to claim 1, it is characterized in that, described toughness reinforcing compatilizer is Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer, and the weight percentage of its glycidyl methacrylate contained is 2% ~ 10%.
3. the PC/PBT blend alloy with conductive and heat-conductive and excellent flame retardancy according to claim 1, it is characterized in that, described thermal conducting agent is the superfine aluminium nitride powder of surface through waterproof and antioxidation treatment, and its particle diameter is between 2 ~ 30 μm, and density is 2.32 ~ 2.38g/cm
3.
4. the PC/PBT blend alloy with conductive and heat-conductive and excellent flame retardancy according to claim 1, is characterized in that, described conductive filler material is the gas-phase grown nanometer carbon fibre of diameter at 50nm ~ 200nm.
5. the PC/PBT blend alloy with conductive and heat-conductive and excellent flame retardancy according to claim 1, is characterized in that, described fire retardant is brominated polycarbonate oligomer based flame retardant BC-58.
6. the preparation method with the PC/PBT blend alloy of conductive and heat-conductive and excellent flame retardancy according to claim 1, is characterized in that, comprise the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by;
(2), dry PC and PBT is taken by weight ratio, and add in high-speed mixer respectively and mix, then the expanding material, triphenyl phosphite, thermal conducting agent, conductive filler material, fire retardant, oxidation inhibitor, the lubricant that take by weight ratio is added, and to stir together 10 ~ 25 minutes and after reaching Homogeneous phase mixing, discharging;
(3), add in twin screw extruder by the material of step (2), blending extrusion at 230 DEG C ~ 260 DEG C, screw speed is 200 ~ 400r/min, gets product through granulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310597441.XA CN104650560A (en) | 2013-11-25 | 2013-11-25 | PC/PBT blend alloy with excellent electric and heat conduction and flame retardance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310597441.XA CN104650560A (en) | 2013-11-25 | 2013-11-25 | PC/PBT blend alloy with excellent electric and heat conduction and flame retardance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104650560A true CN104650560A (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310597441.XA Pending CN104650560A (en) | 2013-11-25 | 2013-11-25 | PC/PBT blend alloy with excellent electric and heat conduction and flame retardance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104650560A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113121972A (en) * | 2019-12-30 | 2021-07-16 | 江苏派锐电子有限公司 | Novel easy-heat-dissipation anti-aging electronic component plastic shell material |
| US11447630B2 (en) * | 2018-04-30 | 2022-09-20 | Shpp Global Technologies B.V. | High strength additive manufactured articles |
| CN117004193A (en) * | 2023-08-18 | 2023-11-07 | 上海祺申塑业股份有限公司 | Heat-resistant flame-retardant PC/PBT alloy material and preparation method thereof |
-
2013
- 2013-11-25 CN CN201310597441.XA patent/CN104650560A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11447630B2 (en) * | 2018-04-30 | 2022-09-20 | Shpp Global Technologies B.V. | High strength additive manufactured articles |
| CN113121972A (en) * | 2019-12-30 | 2021-07-16 | 江苏派锐电子有限公司 | Novel easy-heat-dissipation anti-aging electronic component plastic shell material |
| CN117004193A (en) * | 2023-08-18 | 2023-11-07 | 上海祺申塑业股份有限公司 | Heat-resistant flame-retardant PC/PBT alloy material and preparation method thereof |
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Application publication date: 20150527 |