CN104845150A - PET/PTT/carbon nano-tube composite material and preparation method thereof - Google Patents
PET/PTT/carbon nano-tube composite material and preparation method thereof Download PDFInfo
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- CN104845150A CN104845150A CN201410760132.4A CN201410760132A CN104845150A CN 104845150 A CN104845150 A CN 104845150A CN 201410760132 A CN201410760132 A CN 201410760132A CN 104845150 A CN104845150 A CN 104845150A
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Abstract
The present invention discloses a PET/PTT/carbon nano-tube composite material and a preparation method thereof. The PET/PTT/carbon nano-tube composite material comprises the following components in mass percent: 32% to 62% of PET, 15% to 30% of PTT, 5% to 10% of modified carbon nanotubes, 3% to 5% of compatilizer, 8% to 12% of glass fibers, 5% to 8% of MBS, 0.5% to 1% of nucleating agent, 0.1% to 0.5% of antioxidant, 0.1% to 1% of lubricant, and 0.1% to 1% of flame retardant. According to the invention, the PET/PTT is adopted as a matrix and the original advantages of PET and PTT materials are integrated. Meanwhile, carbon nano-tubes are adopted as functional fillers, so that the heat-conductive and antistatic properties of PET/PTT materials are improved. Therefore, the obtained product is good in overall performance, mechanical performance, heat-conductive performance and antistatic performance, low in cost and wide in adaptability.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of PET/PTT/ carbon nano tube compound material and preparation method thereof.
Background technology
Polyethylene terephthalate (PET) a kind ofly has higher melt temperature and the crystalline polymer of second-order transition temperature, excellent physicals and mechanical property is kept in certain temperature range, its resistance to fatigue, rub resistance, ageing resistance, electrical insulating property feature are very outstanding, to most of organic solvent and acid more stable, production energy consumption is lower, is thus widely used in the fields such as synthon, film and engineering plastics; But because PET rigidity is comparatively forced toughness of material is poor, crystallization velocity is comparatively slow, the shortcomings such as the high and shaping cycle of forming mould temperature is long, greatly limit its range of application.
Poly(Trimethylene Terephthalate) (PTT) is that a kind of crystallization velocity is fast, happy and harmonious temperature and the lower crystalline polymer of second-order transition temperature, there is excellent especially flexibility, elastic recovery, the stability feature of processing characteristics, electric property, mechanical property and size; PTT fiber maintains excellent crease resistance and the chemical resistant properties of PET fiber, flexibility, anti-Japanese photosensitiveness, resistance to soiling, low static behaviour, easy dyeing, low water absorption have the features such as certain hydrolytic stability.But its modulus is lower, material is softer limits PTT use range.
Carbon nanotube, as the filler of heat-conducting plastic, can improve the thermal conductivity of heat-conducting plastic significantly.The conductivity of carbon nanotube is better than copper, can be dispersed in polymeric matrix and form conductive channel, thus makes conduction or antistatic material.In addition, carbon nanotube intensity is high, Young's modulus is also high, has excellent wear-resisting resistance to antifatigue burn into high-heat performance, by with macromolecular material compound, also can give material new performance.
By the PET/PTT/ carbon nano tube compound material of PET, PTT and the blended preparation of carbon nanotube, performance can be learnt from other's strong points to offset one's weaknesses, by having, excellent forming process, shock resistance, high temperature heat-resistant are aging, chemical-resistant resistance and heat conduction antistatic performance etc., thus have great social effect and huge economic worth.
Summary of the invention
The object of the present invention is to provide that a kind of mechanical property is good, flame retardant resistance is excellent and the PET/PTT/ carbon nano tube compound material with good heat conductive antistatic property and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of PET/PTT/ carbon nano tube compound material, and its component by mass percent proportioning is: PET 32% ~ 62%, PTT 15% ~ 30%, modified carbon nano-tube 5% ~ 10%, compatilizer 3% ~ 5%, glass fibre 8% ~ 12%, MBS 5% ~ 8%, nucleator 0.5% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%, fire retardant 0.1% ~ 1%.
Described PET is polyethylene terephthalate.
Described PTT is Poly(Trimethylene Terephthalate).
Described modified carbon nano-tube be surface through preoxidation and the process of silane coupling agent activation modification and particle diameter in 0.5 ~ 200nm, length at the carbon nanotube of 5 ~ 20 μm.
Described compatilizer is polymethylmethacrylate grafted maleic anhydride PMMA-g-MAH.
Described glass fibre be surface through silane coupling agent process and mean diameter at the alkali-free short glass fiber of 4 ~ 17 μm.
Described MBS is the MBS with nucleocapsid structure.
Described nucleator is at least one in talcum powder, nano silicon, sodium bicarbonate, Sodium Benzoate, ethylene-methyl methacrylate sodium ion polymkeric substance.
Described oxidation inhibitor is at least one in antioxidant 1010, antioxidant 1076, oxidation inhibitor 2921, irgasfos 168.
Described lubricant is at least one in pentaerythritol stearate, silicone powder, modification ethylene bis stearamide.
Described fire retardant is the perfluorobutyl potassium of mass ratio 1:3 and the mixture of tetrafluoroethylene.
The preparation method of above-mentioned a kind of PET/PTT/ carbon nano tube compound material, comprises the following steps:
(1), by PET and PTT in forced air circulation baking oven at 110 DEG C ~ 120 DEG C temperature dry 6 ~ 8 hours, stand-by;
(2), particle diameter is put at the carbon nanotube of 5 ~ 20 μm the perchloric acid solution that mass content reaches more than 98% in 0.5 ~ 200nm, length, under ultra-sonic oscillation and mechanical stirring, process 2 ~ 6h, then use a large amount of washed with de-ionized water to neutral, again the carbon nanotube obtained is placed in mass content 0.1% ~ 1% the deionized water solution ultrasonic disperse 2 ~ 6h of silane coupling agent, then filter, and by gained much filtrate in 120 DEG C ~ 150 DEG C vacuum drying oven drying 24 ~ 48h, obtain described modified carbon nano-tube;
(3), taking dry PTT by weight ratio adds in super mixer, and add MBS, oxidation inhibitor, lubricant, fire retardant by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds twin screw extruder and melt extrudes pelletizing and dry, i.e. a kind of PTT composite master batch;
(4), taking dry PET by weight ratio adds in super mixer, add the obtained modified carbon nano-tube of step (2) and the obtained PTT composite master batch of step (3) again, and add compatilizer and nucleator by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds the main spout of twin screw extruder, add described glass fibre by weight ratio from the side spout of twin screw extruder simultaneously, by twin screw extruder melting mixing 1 ~ 2 minute, screw speed controls at 150 ~ 500r/min, processing temperature is 210 DEG C ~ 280 DEG C scopes, then extruding pelletization, obtain a kind of PET/PTT/ carbon nano tube compound material of the present invention.
The invention has the beneficial effects as follows, the present invention, using PET/PTT as matrix, combines PET, PTT original advantage separately, uses carbon nanotube as functional stuffing simultaneously, in order to improve heat conduction and the antistatic property of PET/PTT, thus products therefrom will have good over-all properties, and its mechanical property is good, heat conduction antistatic excellent property, cost is low, wide adaptability, preparation technology is simple, is convenient to promote.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of PET/PTT/ carbon nano tube compound material, its component by mass percent proportioning is: PET 32%, PTT 30%, modified carbon nano-tube 10%, PMMA-g-MAH 5%, glass fibre 12%, MBS 8%, nano silicon 1%, antioxidant 1010 0.2%, pentaerythritol stearate 0.8%, fire retardant 1%, described modified carbon nano-tube is that surface is through preoxidation and the process of silane coupling agent activation modification, and particle diameter is at 0.5 ~ 200nm, length is at the carbon nanotube of 5 ~ 20 μm, described glass fibre is that surface is through silane coupling agent process, and mean diameter is at the alkali-free short glass fiber of 4 ~ 17 μm, described fire retardant is the perfluorobutyl potassium of mass ratio 1:3 and the mixture of tetrafluoroethylene.
Preparation method: (1), by PET and PTT in forced air circulation baking oven at 110 DEG C ~ 120 DEG C temperature dry 6 ~ 8 hours, stand-by, (2), particle diameter is put at the carbon nanotube of 5 ~ 20 μm the perchloric acid solution that mass content reaches more than 98% in 0.5 ~ 200nm, length, under ultra-sonic oscillation and mechanical stirring, process 2 ~ 6h, then use a large amount of washed with de-ionized water to neutral, again the carbon nanotube obtained is placed in mass content 0.1% ~ 1% the deionized water solution ultrasonic disperse 2 ~ 6h of silane coupling agent, then filter, and by gained much filtrate in 120 DEG C ~ 150 DEG C vacuum drying oven drying 24 ~ 48h, obtain described modified carbon nano-tube, (3), taking dry PTT by weight ratio adds in super mixer, and add MBS, antioxidant 1010, pentaerythritol stearate, fire retardant by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds twin screw extruder and melt extrudes pelletizing and dry, i.e. a kind of PTT composite master batch, (4), taking dry PET by weight ratio adds in super mixer, add the obtained modified carbon nano-tube of step (2) and the obtained PTT composite master batch of step (3) again, and add PMMA-g-MAH and nano silicon by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds the main spout of twin screw extruder, add described glass fibre by weight ratio from the side spout of twin screw extruder simultaneously, by twin screw extruder melting mixing 1 ~ 2 minute, screw speed controls at 150 ~ 500r/min, processing temperature is 210 DEG C ~ 280 DEG C scopes, then extruding pelletization, obtain a kind of PET/PTT/ carbon nano tube compound material of the present invention.
Embodiment 2:
A kind of PET/PTT/ carbon nano tube compound material, its component by mass percent proportioning is: PET 62%, PTT 15%, modified carbon nano-tube 5%, PMMA-g-MAH 3%, glass fibre 8%, MBS 5%, Sodium Benzoate 0.5%, antioxidant 1010 0.1%, modification ethylene bis stearamide 0.4%, fire retardant 1%, described modified carbon nano-tube is that surface is through preoxidation and the process of silane coupling agent activation modification, and particle diameter is at 0.5 ~ 200nm, length is at the carbon nanotube of 5 ~ 20 μm, described glass fibre is that surface is through silane coupling agent process, and mean diameter is at the alkali-free short glass fiber of 4 ~ 17 μm, described fire retardant is the perfluorobutyl potassium of mass ratio 1:3 and the mixture of tetrafluoroethylene.
Preparation method: (1), by PET and PTT in forced air circulation baking oven at 110 DEG C ~ 120 DEG C temperature dry 6 ~ 8 hours, stand-by, (2), particle diameter is put at the carbon nanotube of 5 ~ 20 μm the perchloric acid solution that mass content reaches more than 98% in 0.5 ~ 200nm, length, under ultra-sonic oscillation and mechanical stirring, process 2 ~ 6h, then use a large amount of washed with de-ionized water to neutral, again the carbon nanotube obtained is placed in mass content 0.1% ~ 1% the deionized water solution ultrasonic disperse 2 ~ 6h of silane coupling agent, then filter, and by gained much filtrate in 120 DEG C ~ 150 DEG C vacuum drying oven drying 24 ~ 48h, obtain described modified carbon nano-tube, (3), taking dry PTT by weight ratio adds in super mixer, and add MBS, antioxidant 1010, modification ethylene bis stearamide, fire retardant by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds twin screw extruder and melt extrudes pelletizing and dry, i.e. a kind of PTT composite master batch, (4), taking dry PET by weight ratio adds in super mixer, add the obtained modified carbon nano-tube of step (2) and the obtained PTT composite master batch of step (3) again, and add PMMA-g-MAH and Sodium Benzoate by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds the main spout of twin screw extruder, add described glass fibre by weight ratio from the side spout of twin screw extruder simultaneously, by twin screw extruder melting mixing 1 ~ 2 minute, screw speed controls at 150 ~ 500r/min, processing temperature is 210 DEG C ~ 280 DEG C scopes, then extruding pelletization, obtain a kind of PET/PTT/ carbon nano tube compound material of the present invention.
Claims (9)
1. a PET/PTT/ carbon nano tube compound material, it is characterized in that, its component by mass percent proportioning is: PET 32% ~ 62%, PTT 15% ~ 30%, modified carbon nano-tube 5% ~ 10%, compatilizer 3% ~ 5%, glass fibre 8% ~ 12%, MBS 5% ~ 8%, nucleator 0.5% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%, fire retardant 0.1% ~ 1%.
2. a kind of PET/PTT/ carbon nano tube compound material according to claim 1, it is characterized in that, described modified carbon nano-tube be surface through preoxidation and the process of silane coupling agent activation modification and particle diameter in 0.5 ~ 200nm, length at the carbon nanotube of 5 ~ 20 μm.
3. a kind of PET/PTT/ carbon nano tube compound material according to claim 1, is characterized in that, described compatilizer is PMMA-g-MAH.
4. a kind of PET/PTT/ carbon nano tube compound material according to claim 1, is characterized in that, described glass fibre be surface through silane coupling agent process and mean diameter at the alkali-free short glass fiber of 4 ~ 17 μm.
5. a kind of PET/PTT/ carbon nano tube compound material according to claim 1, is characterized in that, described nucleator is at least one in talcum powder, nano silicon, sodium bicarbonate, Sodium Benzoate, ethylene-methyl methacrylate sodium ion polymkeric substance.
6. a kind of PET/PTT/ carbon nano tube compound material according to claim 1, is characterized in that, described oxidation inhibitor is at least one in antioxidant 1010, antioxidant 1076, oxidation inhibitor 2921, irgasfos 168.
7. a kind of PET/PTT/ carbon nano tube compound material according to claim 1, is characterized in that, described lubricant is at least one in pentaerythritol stearate, silicone powder, modification ethylene bis stearamide.
8. a kind of PET/PTT/ carbon nano tube compound material according to claim 1, is characterized in that, described fire retardant is the perfluorobutyl potassium of mass ratio 1:3 and the mixture of tetrafluoroethylene.
9. the preparation method of a kind of PET/PTT/ carbon nano tube compound material according to claim 1, is characterized in that, comprise the following steps:
(1), by PET and PTT in forced air circulation baking oven at 110 DEG C ~ 120 DEG C temperature dry 6 ~ 8 hours, stand-by;
(2), particle diameter is put at the carbon nanotube of 5 ~ 20 μm the perchloric acid solution that mass content reaches more than 98% in 0.5 ~ 200nm, length, under ultra-sonic oscillation and mechanical stirring, process 2 ~ 6h, then use a large amount of washed with de-ionized water to neutral, again the carbon nanotube obtained is placed in mass content 0.1% ~ 1% the deionized water solution ultrasonic disperse 2 ~ 6h of silane coupling agent, then filter, and by gained much filtrate in 120 DEG C ~ 150 DEG C vacuum drying oven drying 24 ~ 48h, obtain described modified carbon nano-tube;
(3), taking dry PTT by weight ratio adds in super mixer, and add MBS, oxidation inhibitor, lubricant, fire retardant by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds twin screw extruder and melt extrudes pelletizing and dry, i.e. a kind of PTT composite master batch;
(4), taking dry PET by weight ratio adds in super mixer, add the obtained modified carbon nano-tube of step (2) and the obtained PTT composite master batch of step (3) again, and add compatilizer and nucleator by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds the main spout of twin screw extruder, add described glass fibre by weight ratio from the side spout of twin screw extruder simultaneously, by twin screw extruder melting mixing 1 ~ 2 minute, screw speed controls at 150 ~ 500r/min, processing temperature is 210 DEG C ~ 280 DEG C scopes, then extruding pelletization, obtain a kind of PET/PTT/ carbon nano tube compound material of the present invention.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835430A (en) * | 2019-11-28 | 2020-02-25 | 徐州庆和新材料有限公司 | Toughened and modified HDPE material and preparation process thereof |
| CN111362416A (en) * | 2020-03-26 | 2020-07-03 | 江苏瑞杰特环保科技有限公司 | Slow-release carbon source filler and preparation method thereof |
| CN112430346A (en) * | 2020-12-10 | 2021-03-02 | 河南银金达新材料股份有限公司 | PET antistatic film material and preparation method thereof |
| CN114717835A (en) * | 2021-01-06 | 2022-07-08 | 合肥杰事杰新材料股份有限公司 | Preparation method of activated sepiolite fibers, PET composite material and preparation method thereof |
-
2014
- 2014-12-12 CN CN201410760132.4A patent/CN104845150A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835430A (en) * | 2019-11-28 | 2020-02-25 | 徐州庆和新材料有限公司 | Toughened and modified HDPE material and preparation process thereof |
| CN111362416A (en) * | 2020-03-26 | 2020-07-03 | 江苏瑞杰特环保科技有限公司 | Slow-release carbon source filler and preparation method thereof |
| CN112430346A (en) * | 2020-12-10 | 2021-03-02 | 河南银金达新材料股份有限公司 | PET antistatic film material and preparation method thereof |
| CN112430346B (en) * | 2020-12-10 | 2023-03-31 | 河南银金达新材料股份有限公司 | PET antistatic film material and preparation method thereof |
| CN114717835A (en) * | 2021-01-06 | 2022-07-08 | 合肥杰事杰新材料股份有限公司 | Preparation method of activated sepiolite fibers, PET composite material and preparation method thereof |
| CN114717835B (en) * | 2021-01-06 | 2024-03-01 | 合肥杰事杰新材料股份有限公司 | Preparation method of activated sepiolite fiber, PET composite material and preparation method thereof |
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Application publication date: 20150819 |