WO2022057206A1 - 一种聚碳酸酯合金组合物及其制备方法和应用 - Google Patents
一种聚碳酸酯合金组合物及其制备方法和应用 Download PDFInfo
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- WO2022057206A1 WO2022057206A1 PCT/CN2021/077427 CN2021077427W WO2022057206A1 WO 2022057206 A1 WO2022057206 A1 WO 2022057206A1 CN 2021077427 W CN2021077427 W CN 2021077427W WO 2022057206 A1 WO2022057206 A1 WO 2022057206A1
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- alloy composition
- polycarbonate
- polycarbonate alloy
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- 239000004417 polycarbonate Substances 0.000 title claims abstract description 64
- 229920000515 polycarbonate Polymers 0.000 title claims abstract description 64
- 239000000203 mixture Substances 0.000 title claims abstract description 52
- 239000000956 alloy Substances 0.000 title claims abstract description 45
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title abstract description 4
- 239000004593 Epoxy Substances 0.000 claims abstract description 15
- 229920000098 polyolefin Polymers 0.000 claims abstract description 7
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 4
- -1 polyethylene Polymers 0.000 claims description 12
- 239000003063 flame retardant Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000000654 additive Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims description 5
- 239000012763 reinforcing filler Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 3
- 125000003700 epoxy group Chemical group 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 229920000578 graft copolymer Polymers 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000004014 plasticizer Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 2
- 239000004713 Cyclic olefin copolymer Substances 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 239000002216 antistatic agent Substances 0.000 claims description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000006082 mold release agent Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 229910021487 silica fume Inorganic materials 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims description 2
- 229910052623 talc Inorganic materials 0.000 claims description 2
- 239000010456 wollastonite Substances 0.000 claims description 2
- 229910052882 wollastonite Inorganic materials 0.000 claims description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N dimethylmethane Natural products CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 239000001294 propane Substances 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract description 8
- 238000011160 research Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 5
- 239000004793 Polystyrene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 2
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 2
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 150000008442 polyphenolic compounds Chemical class 0.000 description 2
- 235000013824 polyphenols Nutrition 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 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 description 2
- 239000001993 wax Substances 0.000 description 2
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 2
- AOYVABWPDDHCDE-UHFFFAOYSA-N (2,3-dimethylphenyl)phosphonic acid Chemical class CC1=CC=CC(P(O)(O)=O)=C1C AOYVABWPDDHCDE-UHFFFAOYSA-N 0.000 description 1
- TYCLKLCKLGCVEZ-UHFFFAOYSA-N 1,1-bis(2,6-ditert-butyl-4-methylphenyl)-2,2-bis(hydroxymethyl)propane-1,3-diol phosphono dihydrogen phosphate Chemical compound OP(O)(=O)OP(=O)(O)O.C(C)(C)(C)C1=C(C(=CC(=C1)C)C(C)(C)C)C(O)(C(CO)(CO)CO)C1=C(C=C(C=C1C(C)(C)C)C)C(C)(C)C TYCLKLCKLGCVEZ-UHFFFAOYSA-N 0.000 description 1
- 150000005208 1,4-dihydroxybenzenes Chemical class 0.000 description 1
- DGZQEAKNZXNTNL-UHFFFAOYSA-N 1-bromo-4-butan-2-ylbenzene Chemical class CCC(C)C1=CC=C(Br)C=C1 DGZQEAKNZXNTNL-UHFFFAOYSA-N 0.000 description 1
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 1
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BLXLSQIOCCHAHJ-UHFFFAOYSA-N [2,3,4-tri(nonyl)phenyl] dihydrogen phosphite Chemical compound CCCCCCCCCC1=CC=C(OP(O)O)C(CCCCCCCCC)=C1CCCCCCCCC BLXLSQIOCCHAHJ-UHFFFAOYSA-N 0.000 description 1
- 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 1
- VYGRRCKMMADGBB-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] phosphono hydrogen phosphate Chemical compound OCC(CO)(CO)COP(O)(=O)OP(O)(O)=O VYGRRCKMMADGBB-UHFFFAOYSA-N 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 150000008366 benzophenones Chemical class 0.000 description 1
- 150000001565 benzotriazoles Chemical class 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical class C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- 239000004841 bisphenol A epoxy resin Substances 0.000 description 1
- 230000006208 butylation Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- MIHINWMALJZIBX-UHFFFAOYSA-N cyclohexa-2,4-dien-1-ol Chemical class OC1CC=CC=C1 MIHINWMALJZIBX-UHFFFAOYSA-N 0.000 description 1
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000012170 montan wax Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 239000013034 phenoxy resin Substances 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- YJLVKRVGSARISS-UHFFFAOYSA-N tris(2,6-dimethylphenyl) phosphite Chemical compound CC1=CC=CC(C)=C1OP(OC=1C(=CC=CC=1C)C)OC1=C(C)C=CC=C1C YJLVKRVGSARISS-UHFFFAOYSA-N 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- 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
Definitions
- the invention relates to the technical field of engineering plastics, in particular to a polycarbonate alloy composition and a preparation method and application thereof.
- PC Polycarbonate
- PC has good comprehensive properties, high mechanical strength, good impact toughness, dimensional stability, good heat resistance, and good electrical insulation. It is widely used in home appliances, digital products, IT products and other fields. Since 5G communication adopts the millimeter wave band, the shorter the wavelength of the electromagnetic wave, the worse the diffraction ability, and the greater the attenuation of the electromagnetic wave during the propagation process, which means that the electromagnetic wave coverage ability and transmission signal strength of 5G communication are relative to those in the 4G communication era. Significantly reduced, the material also needs to tune the dielectric properties to reduce the negative impact. Therefore, modified plastics with low dielectric loss are gaining momentum, and it is imminent to research, design and prepare modified plastics with low dielectric loss suitable for all walks of life.
- a substrate with low dielectric loss such as PPO, PS, POK and other low dielectric loss materials as the substrate or alloy composition; select low dielectric loss fibers;
- additives with low dielectric loss such as POE, SEBS, etc. as toughening agent, PE wax, PTFE wax powder, etc. as lubricant;
- the primary object of the present invention is to provide a polycarbonate alloy composition, which has significantly reduced dielectric loss and can maintain good long-term aging properties.
- Another object of the present invention is to provide a method for preparing the above polycarbonate alloy composition.
- a polycarbonate alloy composition by weight, comprising the following components:
- the present invention finds through research that controlling the epoxy equivalent in the polycarbonate alloy composition within the range of 10-800 g/eq can significantly reduce the dielectric loss of the polycarbonate alloy composition. If the epoxy equivalent in the polycarbonate alloy composition is low, the effect of reducing the dielectric loss of the polycarbonate alloy composition will not be achieved. If the epoxy equivalent in the polycarbonate alloy composition is high, crosslinking will cause resistance to resistance. The thermal performance is decreased, and the dielectric loss is increased due to the increase in polarity. Therefore, preferably, the epoxy equivalent in the polycarbonate alloy composition is preferably 100-300 g/eq, and the epoxy equivalent is based on GB/T 4612-2008. Standard test. The epoxy equivalent refers to the mass of the epoxy resin containing 1 mol of epoxy groups.
- the high surface energy adjuvant is a mixture of one or more of epoxy group-containing surfactants, antistatic agents or compatibilizers, and is specifically selected from propylene oxide copolymers, polyoxyethylene A mixture of one or more of ethylene, GMA graft polymer and polyethylene oxide-propylene oxide copolymer.
- the polycarbonate is selected from one or a mixture of aromatic polycarbonate, aliphatic polycarbonate, aromatic-aliphatic polycarbonate, branched polycarbonate, and siloxane copolycarbonate.
- the polycarbonate of the present invention can be prepared by a phosgene method or a transesterification method, or can be obtained by a commercially available method.
- the polyolefin is selected from one or more of polypropylene, polyethylene and cyclic olefin copolymer.
- the polycarbonate alloy composition of the present invention also includes 0-30 parts by weight of reinforcing fillers and 0-20 parts by weight of other additives.
- the reinforcing filler is selected from one or more of glass fiber, talc, wollastonite, kaolin, and silica fume.
- the other auxiliary agents are selected from one or more of stabilizers, flame retardants, anti-drip agents, lubricants, mold release agents, plasticizers, fillers, and colorants.
- Suitable stabilizers include organic phosphites such as triphenyl phosphite, tris-(2,6-dimethylphenyl) phosphite, tris-nonylphenyl phosphite, dimethylphenylphosphonic acid esters, trimethyl phosphate, etc., pentaerythritol diphosphate (such as bis(2,6-di-tert-butyl-4-methylphenyl)pentaerythritol diphosphate), organic phosphites, alkylated monohydric phenols or Polyphenols, alkylation products of polyphenols and dienes, butylation products of p-cresol or dicyclopentadiene, alkylated hydroquinones, hydroxylated thiodiphenyl ethers, One or more combinations of alkylene-bisphenols, benzyl compounds, polyol esters, benzotriazoles, benzophenones.
- organic phosphites such
- Suitable flame retardants are selected from halogen-based flame retardants or halogen-free flame retardants; the halogen-based flame retardants are selected from brominated polystyrene, brominated polyphenylene ether, brominated bisphenol A epoxy resin, Brominated styrene-maleic anhydride copolymer, brominated epoxy resin, brominated phenoxy resin, decabromodiphenyl ether, decabromodiphenyl, brominated polycarbonate, perbromotricyclopentadecane or One or more of brominated aromatic cross-linked polymers, preferably brominated polystyrene; the halogen-free flame retardant is selected from nitrogen-containing flame retardants, phosphorus-containing flame retardants or nitrogen- and phosphorus-containing flame retardants; One or more of the fuels.
- Suitable anti-drip agents are preferably fluorinated polyolefins, such as polytetrafluoroethylene.
- Suitable plasticizers are phthalates.
- the lubricant is one or a mixture of two or more selected from ethylene bis-stearamide EBS, erucamide, zinc stearate, silicone oil, and PETS.
- Suitable release agents include metal stearate, alkyl stearate, pentaerythritol stearate, paraffin wax, montan wax, and the like.
- Suitable colorants include various pigments, dyes such as carbon black and the like.
- the present invention also provides a method for preparing the above-mentioned polycarbonate alloy composition, comprising the following steps:
- the speed of the high-speed mixer is 400 rpm-500 rpm, add it to the twin-screw extruder, and carry out at the temperature of 220 °C-250 °C Melt mixing, then pelletizing, cooling, and drying to obtain a polycarbonate alloy composition.
- the present invention also provides the application of the above-mentioned polycarbonate alloy composition in the 5G outdoor communication or photovoltaic optical cable industry.
- the present invention has the following beneficial effects:
- the present invention unexpectedly finds that by controlling the epoxy equivalent in the polycarbonate alloy composition within the range of 10-800 g/eq, the dielectric loss of the polycarbonate alloy composition can be significantly reduced, and a good long-term performance can be maintained.
- the aging performance further broadens the application of polycarbonate alloy products, especially suitable for 5G outdoor communication or photovoltaic cable industry.
- Polycarbonate PC Aromatic polycarbonate, PC 1300 10 NP, LG Chem;
- Polyolefin polypropylene PP; commercially available;
- Glass fiber PPG glass fiber
- High surface energy additive 1 SAG-002, Nantong Rizhisheng, GMA grafted polymer;
- High surface energy additive 2 R-139, the manufacturer is Japan's Mitsui, propylene oxide copolymer
- Reinforcing filler glass fiber, commercially available
- Lubricant Ethylenebisstearamide EBS, commercially available.
- Dielectric loss GB/T 12636-1990 Microwave dielectric material stripline resonator method test.
- Long-term aging performance test put the standard impact specimen into a constant temperature and humidity chamber at 85°C and 85% humidity, test the impact performance for 1000 hours, compare the impact performance with the impact performance before initial aging, and evaluate by comparing the impact retention rate Long-term performance is good or bad.
- Example 1-11 and Comparative Example 1-2 Preparation of Polycarbonate Alloy Composition
- the rotation speed of the high-speed mixer is 400 rpm-500 rpm, add it to a twin-screw extruder, and at a temperature of 220°C-250°C
- the polycarbonate alloy composition is obtained by melting and mixing at low temperature, followed by granulation, cooling and drying; the polycarbonate alloy composition is tested, and the data are shown in Table 1.
- the epoxy equivalent in the polycarbonate alloy composition is controlled within the range of 10-800 g/eq, the dielectric loss of the polycarbonate alloy composition can be significantly reduced, And can maintain good long-term aging performance.
- Comparative Example 1 when the epoxy equivalent in the polycarbonate alloy composition is 0, the dielectric loss of the polycarbonate alloy composition is high, and the long-term aging performance is poor.
- Comparative Example 2 when the epoxy equivalent in the polycarbonate alloy composition is excessive, the dielectric loss increases due to polar ionization and cross-linking, and the long-term aging performance deteriorates.
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- 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
本发明公开了一种聚碳酸酯合金组合物及其制备方法和应用，包括组份：聚碳酸酯20-40份；聚烯烃5-30份；高表面能助剂0.1-8份。本发明经研究意外的发现，将聚碳酸酯合金组合物中环氧当量控制在10-800g/eq范围内，可以明显降低聚碳酸酯合金组合物的介电损耗，并能保持较好的长期老化性能，进一步拓宽了聚碳酸酯合金产品的应用。
Description
本发明涉及工程塑料技术领域，特别涉及一种聚碳酸酯合金组合物及其制备方法和应用。
聚碳酸酯(PC)具有良好的综合性能，机械强度高、耐冲击韧性好、尺寸稳定、耐热较好、电绝缘性好，在家电，数码产品，IT产品等等领域具有广泛的应用。由于5G通讯采用毫米波波段，电磁波的波长越短，绕射能力就越差，传播过程中的电磁波的衰减也越大，意味着5G通讯的电磁波覆盖能力和传输信号强度相对于4G通讯时代的大幅度下降，材料也需要调控介电性能以降低负面影响。因此，低介电损耗的改性塑料蓄势待发，研究、设计并制备各行各业适用的低介损耗改性塑料迫在眉睫。
目前，降低材料介电损耗的途径很多，最常用的例如：
1.选择介电损耗较低的基材，例如选择PPO、PS、POK等低介电损耗的材料作为基材或者合金成分；选择低介电损耗纤维；
2.选择低介电损耗的助剂，例如增韧剂尽可能采用POE、SEBS等，润滑剂尽可能采用PE蜡、PTFE蜡粉等；
3.引入低介电损耗填料，例如二氧化硅、云母粉、高岭土等；
4.通过添加特殊成分或生产工艺改变材料的微观拓扑结构与形态；
5.在体系中引入纳米或微米级的微孔降低材料的介电常数。
但这些助剂的引入，会导致材料湿热老化后性能的衰减，导致制件出现变色、粉化或者开裂。
发明内容
本发明的首要目的在于提供一种聚碳酸酯合金组合物，该合金组合物具有明显降低的介电损耗，并能保持较好的长期老化性能。
本发明的再一目的是提供上述聚碳酸酯合金组合物的制备方法。
本发明是通过以下技术方案实现的：
一种聚碳酸酯合金组合物，按重量份计，包括以下组份：
聚碳酸酯 20-40份；
聚烯烃 5-30份；
高表面能助剂 0.1-8份。
本发明通过研究发现，将聚碳酸酯合金组合物中环氧当量控制在10-800g/eq范围内，可以明显降低聚碳酸酯合金组合物的介电损耗。若聚碳酸酯合金组合物中环氧当量较低，则起不到降低聚碳酸酯合金组合物介电损耗的效果，若聚碳酸酯合金组合物中环氧当量较高，则交联引起耐热性能下降，此外由于极性增加导致介电损耗提高，因此，优选的，所述聚碳酸酯合金组合物中环氧当量优选为100-300g/eq，环氧当量根据GB/T 4612-2008标准测试。环氧当量是指含有1mol环氧基的环氧树脂的质量。
优选的，所述高表面能助剂为含有环氧基团的表面活性剂、抗静电剂或相容剂中的一种或几种的混合，具体选自环氧丙烷共聚合物、聚氧化乙烯、GMA接枝聚合物、聚氧化乙烯-环氧丙烷共聚合物中的一种或几种的混合。
所述聚碳酸酯选自芳香族聚碳酸酯、脂肪族聚碳酸酯、芳香族-脂肪族聚碳酸酯、支化聚碳酸酯、硅氧烷共聚碳酸酯中的一种或几种的混合。
本发明所述的聚碳酸酯可以采用光气法或酯交换法制备得到，也可以通过是市购方式获得。
所述聚烯烃选自聚丙烯、聚乙烯、环烯烃共聚物中的一种或几种。
根据实际性能需要，本发明所述的聚碳酸酯合金组合物还包括0-30重量份的增强填料、0-20重量份的其它助剂。
所述增强填料选自玻璃纤维、滑石粉、硅灰石、高岭土、硅粉中的一种或几种。
所述其它助剂选自稳定剂、阻燃剂、抗滴落剂、润滑剂、脱模剂、增塑剂、填料、着色剂的一种或几种。
合适的稳定剂包括有机亚磷酸酯，如亚磷酸三苯酯，亚磷酸三-(2,6-二甲基苯基)酯，亚磷酸三-壬基苯基酯，二甲基苯膦酸酯，磷酸三甲酯等，季戊四醇双磷酸酯(如双(2,6-二叔丁基-4-甲基苯基)季戊四醇二磷酸酯)，有机亚磷酸酯，烷基化的一元酚或者多元酚，多元酚和二烯的烷基化反应产物，对甲酚或者二环戊二烯的丁基化反应产物，烷基化的氢醌类，羟基化的硫代二苯基醚类，亚烷基-双酚，苄基化合物，多元醇酯类，苯并***类，二苯甲酮类的一种或者多种组合。
合适的阻燃剂选自卤系阻燃剂或无卤阻燃剂；所述卤系阻燃剂选自溴化聚苯乙烯、溴化聚苯醚、溴化双酚A型环氧树脂、溴化苯乙烯-马来酸酐共聚物、溴化环氧树脂、溴化苯氧基树脂、十溴二苯醚、十溴代联苯、溴化聚碳酸酯、全溴三环十五烷或溴化芳香族交联聚合物的一种或几种，优选为溴化聚苯乙烯；所述无卤阻燃剂选自含氮阻燃剂、含磷阻燃剂或含氮和磷的阻燃剂中的一种或几种。
合适的抗滴落剂为优选为氟化聚烯烃，如聚四氟乙烯。
合适的增塑剂为邻苯二甲酸酯。
所述润滑剂为乙撑双硬脂酰胺EBS、芥酸酰胺、硬脂酸锌、硅油、PETS中的一种或者两种及以上的混合物。
合适的脱模剂包括硬脂酸金属盐类，硬脂酸烷基酯类，硬脂酸季戊四醇酯类，石蜡，褐煤蜡等等。
合适的着色剂包括各种颜料，染料，如炭黑等。
本发明还提供了上述的聚碳酸酯合金组合物的制备方法，包括如下步骤：
按照配比将各组分在高混机中混合均匀，高混机的转速为400转/分钟-500转/分钟，加入到双螺杆挤出机中，在220℃-250℃的温度下进行熔融混合，然后造粒、冷却、干燥得到聚碳酸酯合金组合物。
本发明还提供了上述聚碳酸酯合金组合物在5G户外通信或光伏光缆行业中的应用。
本发明与现有技术相比，具有如下有益效果：
本发明经研究意外的发现，将聚碳酸酯合金组合物中环氧当量控制在10-800g/eq范围内，可以明显降低聚碳酸酯合金组合物的介电损耗，并能保持较好的长期老化性能，进一步拓宽了聚碳酸酯合金产品的应用，特别适用于5G户外通信或光伏光缆行业中。
下面通过具体实施方式来进一步说明本发明，以下实施例为本发明较佳的实施方式，但本发明的实施方式并不受下述实施例的限制。
聚碳酸酯PC：芳香族聚碳酸酯，PC 1300 10 NP，LG化学；
聚烯烃：聚丙烯PP；市购；
玻璃纤维：PPG的玻璃纤维；
高表面能助剂1：SAG-002，南通日之升，GMA接枝聚合物；
高表面能助剂2：R-139，厂家为日本三井，环氧丙烷共聚合物；
增强填料：玻璃纤维，市购；
润滑剂：乙撑双硬脂酰胺EBS，市购。
各性能的测试标准或方法：
环氧当量的测试方法：GB/T 4612-2008标准；
介电损耗：GB/T 12636-1990微波介质材料带状线谐振器法测试。
长期老化性能测试：将标准冲击样条放入85℃，85％湿度条件的恒温恒湿箱中，1000小时 测试冲击性能，将冲击与初始老化前的冲击性能对比，通过比较冲击保持率来评价长期性能好坏。
实施例1-11及对比例1-2：聚碳酸酯合金组合物的制备
按表1的配方将各组分在高混机中混合均匀，高混机的转速为400转/分钟-500转/分钟，加入到双螺杆挤出机中，在220℃-250℃的温度下进行熔融混合，然后造粒、冷却、干燥得到聚碳酸酯合金组合物；对聚碳酸酯合金组合物进行测试，数据见表1。
表1实施例1-11及对比例1-2的具体配比(重量份)及其测试性能结果
续表1：
从表1的实施例和对比例的比较可以看出：将聚碳酸酯合金组合物中环氧当量控制在 10-800g/eq范围内，可以明显降低聚碳酸酯合金组合物的介电损耗，并能保持良好的长期老化性能。对比例1中，当聚碳酸酯合金组合物中的环氧当量为0时，聚碳酸酯合金组合物的介电损耗高，长期老化性能较差。对比例2中，当聚碳酸酯合金组合物中的环氧当量过量时，由于极性电离和交联，介电损耗升高，长期老化性能变差。
Claims (10)
- 一种聚碳酸酯合金组合物，其特征在于，按重量份计，包括以下组份：聚碳酸酯 20-40份；聚烯烃 5-30份；高表面能助剂 0.1-8份。
- 根据权利要求1所述的聚碳酸酯合金组合物，其特征在于，所述聚碳酸酯合金组合物中环氧当量为10-800g/eq，优选为100-300g/eq，环氧当量根据GB/T 4612-2008标准测试。
- 根据权利要求1所述的聚碳酸酯合金组合物，其特征在于，所述高表面能助剂为含有环氧基团的表面活性剂、抗静电剂或相容剂中的一种或几种的混合。
- 根据权利要求3所述的聚碳酸酯合金组合物，其特征在于，所述高表面能助剂选自环氧丙烷共聚合物、聚氧化乙烯、GMA接枝聚合物、聚氧化乙烯-环氧丙烷共聚合物中一种或几种的混合。
- 根据权利要求1所述的聚碳酸酯合金组合物，其特征在于，所述聚烯烃选自聚丙烯、聚乙烯、环烯烃共聚物中的一种或几种的混合。
- 根据权利要求1所述的聚碳酸酯合金组合物，其特征在于，所述聚碳酸酯选自芳香族聚碳酸酯、脂肪族聚碳酸酯、芳香族-脂肪族聚碳酸酯、支化聚碳酸酯、硅氧烷共聚碳酸酯中的一种或几种的混合。
- 根据权利要求1-6任一项所述的聚碳酸酯合金组合物，其特征在于，所述聚碳酸酯合金组合物还包括0-30重量份的增强填料、0-20重量份的其它助剂。
- 根据权利要求7所述的聚碳酸酯合金组合物，其特征在于，所述增强填料选自玻璃纤维、滑石粉、硅灰石、高岭土、硅粉中的一种或几种；所述其它助剂选自稳定剂、阻燃剂、抗滴落剂、润滑剂、脱模剂、增塑剂、填料、着色剂的一种或几种。
- 根据权利要求1-8任一项所述的聚碳酸酯合金组合物的制备方法，其特征在于，包括如下步骤：按照配比将各组分在高混机中混合均匀，高混机的转速为400转/分钟-500转/分钟，加入到双螺杆挤出机中，在220℃-250℃的温度下进行熔融混合，然后造粒、冷却、干燥得到聚碳酸酯合金组合物。
- 根据权利要求1-9任一项所述的聚碳酸酯合金组合物在5G户外通信或光伏光缆行业中的应用。
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