CN104341735A - Carbon fiber filled enhanced PBT (polybutylene terephthalate)/PET (polyethylene terephthalate) alloy and preparation method - Google Patents
Carbon fiber filled enhanced PBT (polybutylene terephthalate)/PET (polyethylene terephthalate) alloy and preparation method Download PDFInfo
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- CN104341735A CN104341735A CN201310324751.4A CN201310324751A CN104341735A CN 104341735 A CN104341735 A CN 104341735A CN 201310324751 A CN201310324751 A CN 201310324751A CN 104341735 A CN104341735 A CN 104341735A
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 66
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 66
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000000956 alloy Substances 0.000 title claims abstract description 20
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 20
- -1 polybutylene terephthalate Polymers 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 229920001707 polybutylene terephthalate Polymers 0.000 title abstract description 41
- 229920000139 polyethylene terephthalate Polymers 0.000 title abstract description 39
- 239000005020 polyethylene terephthalate Substances 0.000 title abstract description 39
- 230000006911 nucleation Effects 0.000 claims abstract description 7
- 238000010899 nucleation Methods 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 7
- 239000000314 lubricant Substances 0.000 claims abstract description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 20
- 238000007654 immersion Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 10
- 229920001577 copolymer Polymers 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 229910017604 nitric acid Inorganic materials 0.000 claims description 10
- 239000012286 potassium permanganate Substances 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 8
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- WSQNQEUWBVUABQ-UHFFFAOYSA-N C(C)C=CC.C(C(=C)C)(=O)OCC1CO1.C(C(=C)C)(=O)OC Chemical group C(C)C=CC.C(C(=C)C)(=O)OCC1CO1.C(C(=C)C)(=O)OC WSQNQEUWBVUABQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 239000003112 inhibitor Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 4
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims description 4
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 4
- 239000012965 benzophenone Substances 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical group O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 4
- 235000010234 sodium benzoate Nutrition 0.000 claims description 4
- 239000004299 sodium benzoate Substances 0.000 claims description 4
- 229910001415 sodium ion Inorganic materials 0.000 claims description 4
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 claims description 4
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 claims description 2
- 229960001826 dimethylphthalate Drugs 0.000 claims description 2
- 235000013311 vegetables Nutrition 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006353 environmental stress Effects 0.000 abstract description 2
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 239000002667 nucleating agent Substances 0.000 abstract 1
- 239000004753 textile Substances 0.000 abstract 1
- 239000012745 toughening agent Substances 0.000 abstract 1
- ZJOLCKGSXLIVAA-UHFFFAOYSA-N ethene;octadecanamide Chemical group C=C.CCCCCCCCCCCCCCCCCC(N)=O.CCCCCCCCCCCCCCCCCC(N)=O ZJOLCKGSXLIVAA-UHFFFAOYSA-N 0.000 description 7
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- QMMOXUPEWRXHJS-UHFFFAOYSA-N pent-2-ene Chemical group CCC=CC QMMOXUPEWRXHJS-UHFFFAOYSA-N 0.000 description 2
- 229940125904 compound 1 Drugs 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a carbon fiber filled enhanced PBT (polybutylene terephthalate)/PET (polyethylene terephthalate) alloy and a preparation method. The carbon fiber filled enhanced PBT/PET alloy comprises the following components by mass: 20%-50% of PBT, 20%-50% of PET, 10%-30% of carbon fiber, 4%-10% of a toughening agent, 1%-5% of a compatibilizer, 0.1%-1% of a nucleating agent, 0.1%-1% of a nucleation accelerator, 0.1%-1% of an antioxidant and 0.5%-2% of a lubricant. The beneficial effect is in that, compared with the prior art, the carbon fiber filled enhanced PBT/PET alloy prepared by the invention has excellent electrical and mechanical performances, good heat resistance, strong resistance to environmental stress, dimensional stability, light weight and low cost, and can be used in the fields of chemical industry, medical treatment, automobiles, home appliances, textile and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of filled with carbon fibers strengthens PBT/PET Alloy And Preparation Method.
Background technology
Polybutylene terephthalate (PBT) is that 20 century 70s obtain a kind of model engineering plastic developed rapidly, its general mechanical property is all better than polyethylene terephthalate (PET), and there is good toughness, mouldable shaping, but its mobility, thermotolerance is all not as PET, and price is higher.Because PBT with PET chemical structure is similar, can learn from other's strong points to offset one's weaknesses both are blended, obtain the PBT/PET alloy that over-all properties is ideal.But PBT/PET alloy exists, and heat-drawn wire is low, shrinking percentage is large, to shortcomings such as notch sensitive, significantly limit its application, therefore, be necessary that alloy carries out modification.
Summary of the invention
A kind of filled with carbon fibers is the object of the present invention is to provide to strengthen PBT/PET Alloy And Preparation Method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of filled with carbon fibers strengthens PBT/PET alloy, and its component by mass percent proportioning is: PBT 20% ~ 50%, PET 20% ~ 50%, carbon fiber 10% ~ 30%, toughner 4% ~ 10%, expanding material 1% ~ 5%, nucleator 0.1% ~ 1%, nucleation accelerating agent 0.1% ~ 1%, oxidation inhibitor 0.1% ~ 1%, lubricant 0.5% ~ 2%.
Described PBT is polybutylene terephthalate.
Described PET is polyethylene terephthalate.
Described carbon fiber is the carbon fiber of surface through oxide treatment, its concrete grammar is for carrying out mixed preparing by 70wt% nitric acid, 20wt% potassium permanganate and 10wt% hydrogen peroxide and adding water that to be formulated to concentration be 50% ~ 60% solution, then 60 DEG C ~ 90 DEG C are heated, add carbon fiber immersion treatment again, under the temperature of reaction of 40 DEG C ~ 90 DEG C, immersion treatment 30 ~ 60 minutes, then rinses with water, dries.
Described toughner is the one in maleic anhydride grafted ethene-octene copolymer (POE-g-MAH), glycidyl methacrylate graft ethylene-octene copolymer (POE-g-GMA), glycidyl methacrylate graft polystyrene (PS-g-GMA), maleic anhydride grafted ethene-vinyl acetate copolymer (EVA-g-MAH).
Described expanding material is methyl methacrylate-glycidyl methacrylate-ethylpropylene ter-polymers (MGE).
Described nucleator is talcum powder, one in Sodium Benzoate, ethylene-methyl methacrylate sodium ion polymkeric substance plants vegetables.
Described nucleation accelerating agent is the one in benzophenone, triphenylphosphate, dimethyl phthalate, polyoxyethylene glycol.
Described oxidation inhibitor is the compound of antioxidant 1076 and irgasfos 168.
Described lubricant is ethylene bis stearic amide.
Above-mentioned a kind of filled with carbon fibers strengthens the preparation method of PBT/PET alloy, comprises the following steps:
(1) by PBT at 130 DEG C ~ 140 DEG C dry 3 ~ 5 hours, PET at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by;
(2) carbon fiber surface oxide treatment: 70wt% nitric acid, 20wt% potassium permanganate and 10wt% hydrogen peroxide are carried out mixed preparing and adds water that to be formulated to concentration be 50% ~ 60% solution, then 60 DEG C ~ 90 DEG C are heated, add carbon fiber immersion treatment again, under the temperature of reaction of 40 DEG C ~ 90 DEG C, immersion treatment, after 30 ~ 60 minutes, takes out carbon fiber, fully rinse with water, then dry at 80 DEG C ~ 120 DEG C temperature, obtain the surperficial carbon fiber through oxide treatment, stand-by;
(3) dry PBT and PET is taken by weight ratio, add in high-speed mixer and fully mix 1 ~ 3 minute, and then add the toughner, expanding material, nucleator, nucleation accelerating agent, oxidation inhibitor and the lubricant that take by weight ratio, continue mixing 5 ~ 15 minutes, make to mix rear discharging;
(4) compound of step (3) is added the main spout of twin screw extruder, obtained for step (2) surface is taken by weight ratio through the carbon fiber of oxide treatment and adds from the side spout of twin screw extruder, controlled working temperature is at 210 DEG C ~ 270 DEG C, screw speed 120 ~ 500rpm, extrude after twin screw extruder melting mixing, cooling granulation, get product.
The invention has the beneficial effects as follows, compared with prior art, a kind of filled with carbon fibers that the present invention obtains strengthens PBT/PET alloy, there is excellent mechanical property and electric property, and good heat resistance, environmental stress resistance performance is strong, dimensional stabilizing, light weight and with low cost, can be used for the fields such as chemical industry, medical treatment, automobile, household electrical appliances, weaving.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of filled with carbon fibers strengthens PBT/PET alloy, and its component by mass percent proportioning is: PBT 40%, PET 26%, carbon fiber 20%, maleic anhydride grafted ethene-octene copolymer (POE-g-MAH) 8%, the methyl methacrylate-glycidyl methacrylate-compound 0.5% of ethylpropylene ter-polymers (MGE) 3%, talcum powder 0.8%, benzophenone 0.2%, antioxidant 1076 and irgasfos 168, ethylene bis stearic amide 1.5%.Wherein, described PBT is polybutylene terephthalate; Described PET is polyethylene terephthalate; Described carbon fiber is the carbon fiber of surface through oxide treatment, its concrete grammar is for carrying out mixed preparing by 70wt% nitric acid, 20wt% potassium permanganate and 10wt% hydrogen peroxide and adding water that to be formulated to concentration be 50% ~ 60% solution, then 60 DEG C ~ 90 DEG C are heated, add carbon fiber immersion treatment again, under the temperature of reaction of 40 DEG C ~ 90 DEG C, immersion treatment 30 ~ 60 minutes, then rinses with water, dries.
Preparation method: (1) is by PBT at 130 DEG C ~ 140 DEG C dry 3 ~ 5 hours, PET at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by; (2) carbon fiber surface oxide treatment: 70wt% nitric acid, 20wt% potassium permanganate and 10wt% hydrogen peroxide are carried out mixed preparing and adds water that to be formulated to concentration be 50% ~ 60% solution, then 60 DEG C ~ 90 DEG C are heated, add carbon fiber immersion treatment again, under the temperature of reaction of 40 DEG C ~ 90 DEG C, immersion treatment, after 30 ~ 60 minutes, takes out carbon fiber, fully rinse with water, then dry at 80 DEG C ~ 120 DEG C temperature, obtain the surperficial carbon fiber through oxide treatment, stand-by; (3) dry PBT and PET is taken by weight ratio, add in high-speed mixer and fully mix 1 ~ 3 minute, and then add the maleic anhydride grafted ethene-octene copolymer (POE-g-MAH), the compound of methyl methacrylate-glycidyl methacrylate-ethylpropylene ter-polymers (MGE), talcum powder, benzophenone, antioxidant 1076 and irgasfos 168 and the ethylene bis stearic amide that take by weight ratio, continue mixing 5 ~ 15 minutes, make to mix rear discharging; (4) compound of step (3) is added the main spout of twin screw extruder, obtained for step (2) surface is taken by weight ratio through the carbon fiber of oxide treatment and adds from the side spout of twin screw extruder, controlled working temperature is at 210 DEG C ~ 270 DEG C, screw speed 120 ~ 500rpm, extrude after twin screw extruder melting mixing, cooling granulation, get product.
Embodiment 2:
A kind of filled with carbon fibers strengthens PBT/PET alloy, and its component by mass percent proportioning is: PBT 40%, PET 40%, carbon fiber 10%, glycidyl methacrylate graft polystyrene (PS-g-GMA) 4%, the methyl methacrylate-glycidyl methacrylate-compound 1% of ethylpropylene ter-polymers (MGE) 2.5%, Sodium Benzoate 0.7%, triphenylphosphate 0.3%, antioxidant 1076 and irgasfos 168, ethylene bis stearic amide 1.5%.Wherein, described PBT is polybutylene terephthalate; Described PET is polyethylene terephthalate; Described carbon fiber is the carbon fiber of surface through oxide treatment, its concrete grammar is for carrying out mixed preparing by 70wt% nitric acid, 20wt% potassium permanganate and 10wt% hydrogen peroxide and adding water that to be formulated to concentration be 50% ~ 60% solution, then 60 DEG C ~ 90 DEG C are heated, add carbon fiber immersion treatment again, under the temperature of reaction of 40 DEG C ~ 90 DEG C, immersion treatment 30 ~ 60 minutes, then rinses with water, dries.
Preparation method: (1) is by PBT at 130 DEG C ~ 140 DEG C dry 3 ~ 5 hours, PET at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by; (2) carbon fiber surface oxide treatment: 70wt% nitric acid, 20wt% potassium permanganate and 10wt% hydrogen peroxide are carried out mixed preparing and adds water that to be formulated to concentration be 50% ~ 60% solution, then 60 DEG C ~ 90 DEG C are heated, add carbon fiber immersion treatment again, under the temperature of reaction of 40 DEG C ~ 90 DEG C, immersion treatment, after 30 ~ 60 minutes, takes out carbon fiber, fully rinse with water, then dry at 80 DEG C ~ 120 DEG C temperature, obtain the surperficial carbon fiber through oxide treatment, stand-by; (3) dry PBT and PET is taken by weight ratio, add in high-speed mixer and fully mix 1 ~ 3 minute, and then add the glycidyl methacrylate graft polystyrene (PS-g-GMA), the compound of methyl methacrylate-glycidyl methacrylate-ethylpropylene ter-polymers (MGE), Sodium Benzoate, triphenylphosphate, antioxidant 1076 and irgasfos 168 and the ethylene bis stearic amide that take by weight ratio, continue mixing 5 ~ 15 minutes, make to mix rear discharging; (4) compound of step (3) is added the main spout of twin screw extruder, obtained for step (2) surface is taken by weight ratio through the carbon fiber of oxide treatment and adds from the side spout of twin screw extruder, controlled working temperature is at 210 DEG C ~ 270 DEG C, screw speed 120 ~ 500rpm, extrude after twin screw extruder melting mixing, cooling granulation, get product.
Embodiment 3:
A kind of filled with carbon fibers strengthens PBT/PET alloy, and its component by mass percent proportioning is: compound 0.8%, the ethylene bis stearic amide 1.2% of PBT 32%, PET 35%, carbon fiber 15%, maleic anhydride grafted ethene-vinyl acetate copolymer (EVA-g-MAH) 10%, methyl methacrylate-glycidyl methacrylate-ethylpropylene ter-polymers (MGE) 5%, ethylene-methyl methacrylate sodium ion polymkeric substance 0.9%, polyoxyethylene glycol 0.1%, antioxidant 1076 and irgasfos 168.Wherein, described PBT is polybutylene terephthalate; Described PET is polyethylene terephthalate; Described carbon fiber is the carbon fiber of surface through oxide treatment, its concrete grammar is for carrying out mixed preparing by 70wt% nitric acid, 20wt% potassium permanganate and 10wt% hydrogen peroxide and adding water that to be formulated to concentration be 50% ~ 60% solution, then 60 DEG C ~ 90 DEG C are heated, add carbon fiber immersion treatment again, under the temperature of reaction of 40 DEG C ~ 90 DEG C, immersion treatment 30 ~ 60 minutes, then rinses with water, dries.
Preparation method: (1) is by PBT at 130 DEG C ~ 140 DEG C dry 3 ~ 5 hours, PET at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by; (2) carbon fiber surface oxide treatment: 70wt% nitric acid, 20wt% potassium permanganate and 10wt% hydrogen peroxide are carried out mixed preparing and adds water that to be formulated to concentration be 50% ~ 60% solution, then 60 DEG C ~ 90 DEG C are heated, add carbon fiber immersion treatment again, under the temperature of reaction of 40 DEG C ~ 90 DEG C, immersion treatment, after 30 ~ 60 minutes, takes out carbon fiber, fully rinse with water, then dry at 80 DEG C ~ 120 DEG C temperature, obtain the surperficial carbon fiber through oxide treatment, stand-by; (3) dry PBT and PET is taken by weight ratio, add in high-speed mixer and fully mix 1 ~ 3 minute, and then add compound and the ethylene bis stearic amide of the maleic anhydride grafted ethene-vinyl acetate copolymer (EVA-g-MAH), methyl methacrylate-glycidyl methacrylate-ethylpropylene ter-polymers (MGE), ethylene-methyl methacrylate sodium ion polymkeric substance, polyoxyethylene glycol, antioxidant 1076 and the irgasfos 168 that take by weight ratio, continue mixing 5 ~ 15 minutes, make to mix rear discharging; (4) compound of step (3) is added the main spout of twin screw extruder, obtained for step (2) surface is taken by weight ratio through the carbon fiber of oxide treatment and adds from the side spout of twin screw extruder, controlled working temperature is at 210 DEG C ~ 270 DEG C, screw speed 120 ~ 500rpm, extrude after twin screw extruder melting mixing, cooling granulation, get product.
Claims (7)
1. a filled with carbon fibers strengthens PBT/PET alloy, it is characterized in that, its component by mass percent proportioning is: PBT 20% ~ 50%, PET 20% ~ 50%, carbon fiber 10% ~ 30%, toughner 4% ~ 10%, expanding material 1% ~ 5%, nucleator 0.1% ~ 1%, nucleation accelerating agent 0.1% ~ 1%, oxidation inhibitor 0.1% ~ 1%, lubricant 0.5% ~ 2%.
2. a kind of filled with carbon fibers according to claim 1 strengthens PBT/PET alloy, it is characterized in that, described carbon fiber is the carbon fiber of surface through oxide treatment, its concrete grammar is for carrying out mixed preparing by 70wt% nitric acid, 20wt% potassium permanganate and 10wt% hydrogen peroxide and adding water that to be formulated to concentration be 50% ~ 60% solution, then 60 DEG C ~ 90 DEG C are heated, add carbon fiber immersion treatment again, under the temperature of reaction of 40 DEG C ~ 90 DEG C, immersion treatment 30 ~ 60 minutes, then rinses with water, dries.
3. a kind of filled with carbon fibers according to claim 1 strengthens PBT/PET alloy, it is characterized in that, described toughner is the one in maleic anhydride grafted ethene-octene copolymer (POE-g-MAH), glycidyl methacrylate graft ethylene-octene copolymer (POE-g-GMA), glycidyl methacrylate graft polystyrene (PS-g-GMA), maleic anhydride grafted ethene-vinyl acetate copolymer (EVA-g-MAH).
4. a kind of filled with carbon fibers according to claim 1 strengthens PBT/PET alloy, and it is characterized in that, described expanding material is methyl methacrylate-glycidyl methacrylate-ethylpropylene ter-polymers (MGE).
5. a kind of filled with carbon fibers according to claim 1 strengthens PBT/PET alloy, it is characterized in that, described nucleator is talcum powder, one in Sodium Benzoate, ethylene-methyl methacrylate sodium ion polymkeric substance plant vegetables.
6. a kind of filled with carbon fibers according to claim 1 strengthens PBT/PET alloy, and it is characterized in that, described nucleation accelerating agent is the one in benzophenone, triphenylphosphate, dimethyl phthalate, polyoxyethylene glycol.
7. a kind of filled with carbon fibers according to claim 1 strengthens the preparation method of PBT/PET alloy, it is characterized in that, comprises the following steps:
(1) by PBT at 130 DEG C ~ 140 DEG C dry 3 ~ 5 hours, PET at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by;
(2) carbon fiber surface oxide treatment: 70wt% nitric acid, 20wt% potassium permanganate and 10wt% hydrogen peroxide are carried out mixed preparing and adds water that to be formulated to concentration be 50% ~ 60% solution, then 60 DEG C ~ 90 DEG C are heated, add carbon fiber immersion treatment again, under the temperature of reaction of 40 DEG C ~ 90 DEG C, immersion treatment, after 30 ~ 60 minutes, takes out carbon fiber, fully rinse with water, then dry at 80 DEG C ~ 120 DEG C temperature, obtain the surperficial carbon fiber through oxide treatment, stand-by;
(3) dry PBT and PET is taken by weight ratio, add in high-speed mixer and fully mix 1 ~ 3 minute, and then add the toughner, expanding material, nucleator, nucleation accelerating agent, oxidation inhibitor and the lubricant that take by weight ratio, continue mixing 5 ~ 15 minutes, make to mix rear discharging;
(4) compound of step (3) is added the main spout of twin screw extruder, obtained for step (2) surface is taken by weight ratio through the carbon fiber of oxide treatment and adds from the side spout of twin screw extruder, controlled working temperature is at 210 DEG C ~ 270 DEG C, screw speed 120 ~ 500rpm, extrude after twin screw extruder melting mixing, cooling granulation, get product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310324751.4A CN104341735A (en) | 2013-07-30 | 2013-07-30 | Carbon fiber filled enhanced PBT (polybutylene terephthalate)/PET (polyethylene terephthalate) alloy and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310324751.4A CN104341735A (en) | 2013-07-30 | 2013-07-30 | Carbon fiber filled enhanced PBT (polybutylene terephthalate)/PET (polyethylene terephthalate) alloy and preparation method |
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| CN104341735A true CN104341735A (en) | 2015-02-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802146A (en) * | 2016-04-07 | 2016-07-27 | 苏州市鼎立包装有限公司 | Flexible polyester fiber packing belt and preparation method thereof |
| CN112480615A (en) * | 2020-12-10 | 2021-03-12 | 上海材料研究所 | Carbon fiber/PET composite material and preparation method and application thereof |
| CN114806127A (en) * | 2022-05-10 | 2022-07-29 | 中山市卡邦碳纤维材料制品有限公司 | Carbon fiber pipe and manufacturing process thereof |
-
2013
- 2013-07-30 CN CN201310324751.4A patent/CN104341735A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802146A (en) * | 2016-04-07 | 2016-07-27 | 苏州市鼎立包装有限公司 | Flexible polyester fiber packing belt and preparation method thereof |
| CN112480615A (en) * | 2020-12-10 | 2021-03-12 | 上海材料研究所 | Carbon fiber/PET composite material and preparation method and application thereof |
| CN114806127A (en) * | 2022-05-10 | 2022-07-29 | 中山市卡邦碳纤维材料制品有限公司 | Carbon fiber pipe and manufacturing process thereof |
| CN114806127B (en) * | 2022-05-10 | 2024-02-20 | 中山市卡邦碳纤维材料制品有限公司 | Carbon fiber pipe and manufacturing method thereof |
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Application publication date: 20150211 |