CN105155023A - High-strength thermoplastic polyester and nano carbon fiber composite and preparation method thereof - Google Patents
High-strength thermoplastic polyester and nano carbon fiber composite and preparation method thereof Download PDFInfo
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- CN105155023A CN105155023A CN201510699324.3A CN201510699324A CN105155023A CN 105155023 A CN105155023 A CN 105155023A CN 201510699324 A CN201510699324 A CN 201510699324A CN 105155023 A CN105155023 A CN 105155023A
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Abstract
The invention provides a high-strength thermoplastic polyester and nano carbon fiber composite. The high-strength thermoplastic polyester and nano carbon fiber composite is prepared from, by weight, 40-50 parts of dimethyl phthalate, 20-30 parts of ethylene glycol, 10-20 parts of polyethylene glycol, 20-30 parts of nano carbon fibers, 5-10 parts of toughening agents, 10-15 parts of bis(2-oxazoline), 1-5 parts of zinc acetate, 5-10 parts of inorganic filler, 1-5 parts of coupling agents, 1-3 parts of lubricating agents and 1-5 parts of antioxygen. Meanwhile, the invention further provides a preparation method of the high-strength thermoplastic polyester and nano carbon fiber composite. The composite is formed by compositing thermoplastic polyester and the nano carbon fibers, excellent tensile strength, tensile modulus and electrical resistivity are achieved, the preparation method is simple, and the production cost is low.
Description
Technical field
The present invention relates to a kind of high-strength thermoplastic polyester/nano carbon fibre composite and preparation method thereof.
Background technology
Composite fibre (English name compositefiber) is the one of multicomponent fibre (English name multicomponentfibers), is the term for artificial fibre kind.Same fibre section exists two or more immiscible polymer fiber, and this fiber claims composite fibre, and it is the physical modification fiber grown up the sixties in 20th century.Utilize composite fibre manufacturing technology can obtain the bicomponent fiber having two kinds of polymer property concurrently.Have the composite fibres such as parallel type, core-skin type, fabric of island-in-sea type, there are circle and abnormity in fibre section.Fiber has that 3 D stereo is curling, high fluffy and spreadability, good electric conductivity, antistatic behaviour and anti-flammability.Composite fibre needs the composite spinning machine spinning adopting special construction.Be mainly used in knitting wool, woollen blanket, wool fabric, warming wadding suede stuffing, silk fabric, non-weaving cloth, medical and hygiene article and particular job clothes etc.
Carbon nano-fiber (CarbonNanofibers is called for short CNF) is a kind of form of chemical vapor grown carbon fiber, is by the discontinuous graphite fibre prepared by cracking gaseous hydrocarbon.Originally seeing that it forms with carbon black, fullerene, single wall and multiple-wall carbon nanotube for one end from physical size, performance and being produced into, take continuous carbon fibre as the ring in other end chain link.The diameter of carbon nano-fiber is between 50 ~ 200nm, but many research workers are referred to as CNT (carbon nano-tube) diameter at the doughnut of below 100nm at present, that is the diameter of carbon nano-fiber is between CNT (carbon nano-tube) and gas-phase growth of carbon fibre.The preparation of carbon nano-fiber is easier to realize suitability for industrialized production compared with CNT (carbon nano-tube).
Thermoplastic polyester has the saturated polyester of thermoplastic characteristics.Many fingers polyester terephthalate class.In fact broadly also should comprise other linear polyesters.With polyethylene terephthalate with polybutylene terephthalate output is large, purposes is wide in polyester terephthalate, other are multiplex makes high performance thin film and fiber.
Mainly there is following patent document at present in the research for thermoplastic polyester:
Patent publication No.: CN103102658A, discloses a kind of thermoplastic polyester of halogen-free environment-friendly flame-proof modification, and thermoplastic polyester calculates according to parts by weight and comprises following component: the mylar of 5-95%; The calcium hypophosphite of 0.1-30% and the fire retardant additive without halogen of 0-10%; The processing aid of 0.5-10%, thermally-stabilised and process stabilization agent, UV stabilizer, drip agent, pigment, releasing agent, rubber elastic polymers, nucleator one or more; The inorganic filler of 0-50%.The halogen-free flameproof performance of product fine of the present invention, especially at 775 DEG C, will have good resistance to scorching hot performance according to UL94 standard under the condition of 1.6mm and 0.8mm thickness; Excellent mechanical property, especially impact strength, elastic modelling quantity will be got well and excellent draftability; Excellent electric property, by CTI value under the condition of 600V.
But, and not mentioned for the research of the composite of thermoplastic polyester and carbon nano-fiber in the market.
Summary of the invention
For solving above-mentioned Problems existing, the object of the present invention is to provide a kind of high-strength thermoplastic polyester/nano carbon fibre composite, the preparation method of this composite is also provided simultaneously, described composite is compounded to form by thermoplastic polyester and carbon nano-fiber, there is excellent tensile strength, tensile modulus and resistivity, and preparation method is simple, production cost is low.
For achieving the above object, technical scheme of the present invention is:
A kind of high-strength thermoplastic polyester/nano carbon fibre composite, it comprises the chemical composition of following weight portion: repefral 40 ~ 50 parts, ethylene glycol 20 ~ 30 parts, polyethylene glycol 10 ~ 20 parts, carbon nano-fiber 20 ~ 30 parts, flexibilizer 5 ~ 10 parts, two (2-oxazoline) 10 ~ 15 parts, zinc acetate 1 ~ 5 part, inorganic filler 5 ~ 10 parts, coupling agent 1 ~ 5 part, lubricant 1 ~ 3 part, 1 ~ 5 part, antioxidant.
Further, it comprises the chemical composition of following weight portion: repefral 40 ~ 45 parts, ethylene glycol 20 ~ 25 parts, polyethylene glycol 10 ~ 15 parts, carbon nano-fiber 25 ~ 30 parts, flexibilizer 5 ~ 8 parts, two (2-oxazoline) 10 ~ 13 parts, zinc acetate 1 ~ 3 part, inorganic filler 5 ~ 7 parts, coupling agent 1 ~ 4 part, lubricant 1 ~ 3 part, 1 ~ 3 part, antioxidant.
Preferably, it comprises the chemical composition of following weight portion: repefral 45 parts, ethylene glycol 23 parts, polyethylene glycol 12 parts, carbon nano-fiber 28 parts, flexibilizer 7 parts, two (2-oxazoline) 10 parts, zinc acetate 2 parts, inorganic filler 6 parts, coupling agent 1 part, lubricant 3 parts, 2 parts, antioxidant.
Separately, described inorganic filler is selected from the one in talcum powder, calcium carbonate, barium sulfate, glass microballoon, glass dust or carbon black.
Separately have, described coupling agent is at least one in silane coupler, aluminate coupling agent, titanate coupling agent.
Again, antioxidant is antioxidant 1010 or antioxidant 1076.
Further, described lubricant is at least one in zinc stearate, calcium stearate, erucyl amide.
And described flexibilizer is selected from the one in polyethylene, polypropylene, Merlon, polyurethane.
Simultaneously, the present invention also provides a kind of preparation method of high-strength thermoplastic polyester/nano carbon fibre composite, it is characterized in that, comprise the steps: to take each component by weight ratio, and add respectively in medium speed mixer, make to stir 20 ~ 30min together, evenly rear discharging to be mixed adds twin (double) screw extruder, blended through screw machine extruding, melting, carry out spinning again, the melt temperature of spinning controls between 150 ~ 200 DEG C, winding speed controls at 2000 ~ 4000m/min, heat setting temperature is 80 ~ 100 DEG C, namely described high-strength thermoplastic polyester/nano carbon fibre composite is obtained.
Beneficial effect of the present invention is:
Described composite is compounded to form by thermoplastic polyester and carbon nano-fiber, and an important use of carbon nano-fiber improves mechanical property, and it can reach the same enhancing effect of continuous carbon fibre, but price is only equivalent to glass fibre.The cost preparing composite with carbon nano-fiber is very low, can adopt the low-cost production technology such as such as injection moulding.Surface treated carbon nano-fiber can improve the strength and modulus performance 4 ~ 6 times of pure resin.Real world applications as structural composite material reinforcing agent is modified matrix material, and a small amount of carbon nano-fiber joins epoxy resin, greatly can improve the interlaminar shear strength of PAN base or asphalt base carbon fiber composite; Join glass fiber compound material and can improve heat conductivility, electric conductivity, thermal coefficient of expansion and mechanical property.Carbon nano-fiber strengthen thermoplasticity polyester tensile strength reaches 50 ~ 60MPa, tensile modulus reaches 4 ~ 5GPa.
Detailed description of the invention
Following examples for illustration of the present invention, but can not be used for limiting the scope of the invention.The implementation condition adopted in embodiment can be for further adjustments according to the condition of producer, and unaccounted implementation condition is generally conventional laboratory conditions.
A kind of high-strength thermoplastic polyester/nano carbon fibre composite provided by the present invention, it comprises the chemical composition of following weight portion: repefral 40 ~ 50 parts, ethylene glycol 20 ~ 30 parts, polyethylene glycol 10 ~ 20 parts, carbon nano-fiber 20 ~ 30 parts, flexibilizer 5 ~ 10 parts, two (2-oxazoline) 10 ~ 15 parts, zinc acetate 1 ~ 5 part, inorganic filler 5 ~ 10 parts, coupling agent 1 ~ 5 part, lubricant 1 ~ 3 part, 1 ~ 5 part, antioxidant.
Further, it comprises the chemical composition of following weight portion: repefral 40 ~ 45 parts, ethylene glycol 20 ~ 25 parts, polyethylene glycol 10 ~ 15 parts, carbon nano-fiber 25 ~ 30 parts, flexibilizer 5 ~ 8 parts, two (2-oxazoline) 10 ~ 13 parts, zinc acetate 1 ~ 3 part, inorganic filler 5 ~ 7 parts, coupling agent 1 ~ 4 part, lubricant 1 ~ 3 part, 1 ~ 3 part, antioxidant.
Preferably, it comprises the chemical composition of following weight portion: repefral 45 parts, ethylene glycol 23 parts, polyethylene glycol 12 parts, carbon nano-fiber 28 parts, flexibilizer 7 parts, two (2-oxazoline) 10 parts, zinc acetate 2 parts, inorganic filler 6 parts, coupling agent 1 part, lubricant 3 parts, 2 parts, antioxidant.
Separately, described inorganic filler is selected from the one in talcum powder, calcium carbonate, barium sulfate, glass microballoon, glass dust or carbon black.
Separately have, described coupling agent is at least one in silane coupler, aluminate coupling agent, titanate coupling agent.
Again, antioxidant is antioxidant 1010 or antioxidant 1076.
Further, described lubricant is at least one in zinc stearate, calcium stearate, erucyl amide.
And described flexibilizer is selected from the one in polyethylene, polypropylene, Merlon, polyurethane.
Simultaneously, the present invention also provides a kind of preparation method of high-strength thermoplastic polyester/nano carbon fibre composite, it is characterized in that, comprise the steps: to take each component by weight ratio, and add respectively in medium speed mixer, make to stir 20 ~ 30min together, evenly rear discharging to be mixed adds twin (double) screw extruder, blended through screw machine extruding, melting, carry out spinning again, the melt temperature of spinning controls between 150 ~ 200 DEG C, winding speed controls at 2000 ~ 4000m/min, heat setting temperature is 80 ~ 100 DEG C, namely described high-strength thermoplastic polyester/nano carbon fibre composite is obtained.
High-strength thermoplastic polyester/nano carbon fibre composite provided by the present invention is compounded to form by thermoplastic polyester and carbon nano-fiber, an important use of carbon nano-fiber improves mechanical property, it can reach the same enhancing effect of continuous carbon fibre, but price is only equivalent to glass fibre.The cost preparing composite with carbon nano-fiber is very low, can adopt the low-cost production technology such as such as injection moulding.Surface treated carbon nano-fiber can improve the strength and modulus performance 4 ~ 6 times of pure resin.Real world applications as structural composite material reinforcing agent is modified matrix material, and a small amount of carbon nano-fiber joins epoxy resin, greatly can improve the interlaminar shear strength of PAN base or asphalt base carbon fiber composite; Join glass fiber compound material and can improve heat conductivility, electric conductivity, thermal coefficient of expansion and mechanical property.Carbon nano-fiber strengthen thermoplasticity polyester tensile strength reaches 50 ~ 60MPa, tensile modulus reaches 4 ~ 5GPa.
High elasticity PBT/PET complex fiber material provided by the present invention is compounded to form by PBT and PET, has excellent elasticity, and crimp elasticity is up to 98 ~ 99%, and soft feel, and preparation method is simple, production cost is low.And spinning silk winding speed is up to 2000 ~ 4000m/min, obvious height has the spinning silk winding speed 500 ~ 800m/min of two step method, and production procedure is short, and production efficiency is high, also reduces equipment investment, reduces the production cost of composite fibre.
It should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted.Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to the technical scheme of invention or equivalent replacement, and not depart from the scope of technical solution of the present invention, it all should be encompassed in right of the present invention.
Claims (9)
1. a high-strength thermoplastic polyester/nano carbon fibre composite, is characterized in that, it comprises the chemical composition of following weight portion: repefral 40 ~ 50 parts, ethylene glycol 20 ~ 30 parts, polyethylene glycol 10 ~ 20 parts, carbon nano-fiber 20 ~ 30 parts, flexibilizer 5 ~ 10 parts, two (2-oxazoline) 10 ~ 15 parts, zinc acetate 1 ~ 5 part, inorganic filler 5 ~ 10 parts, coupling agent 1 ~ 5 part, lubricant 1 ~ 3 part, 1 ~ 5 part, antioxidant.
2. a kind of high-strength thermoplastic polyester/nano carbon fibre composite according to claim 1, it is characterized in that, it comprises the chemical composition of following weight portion: repefral 40 ~ 45 parts, ethylene glycol 20 ~ 25 parts, polyethylene glycol 10 ~ 15 parts, carbon nano-fiber 25 ~ 30 parts, flexibilizer 5 ~ 8 parts, two (2-oxazoline) 10 ~ 13 parts, zinc acetate 1 ~ 3 part, inorganic filler 5 ~ 7 parts, coupling agent 1 ~ 4 part, lubricant 1 ~ 3 part, 1 ~ 3 part, antioxidant.
3. a kind of high-strength thermoplastic polyester/nano carbon fibre composite according to claim 1, it is characterized in that, it comprises the chemical composition of following weight portion: repefral 45 parts, ethylene glycol 23 parts, polyethylene glycol 12 parts, carbon nano-fiber 28 parts, flexibilizer 7 parts, two (2-oxazoline) 10 parts, zinc acetate 2 parts, inorganic filler 6 parts, coupling agent 1 part, lubricant 3 parts, 2 parts, antioxidant.
4. a kind of high-strength thermoplastic polyester/nano carbon fibre composite according to any one of claim 1 ~ 3, it is characterized in that, described inorganic filler is selected from the one in talcum powder, calcium carbonate, barium sulfate, glass microballoon, glass dust or carbon black.
5. a kind of high-strength thermoplastic polyester/nano carbon fibre composite according to any one of claim 1 ~ 3, it is characterized in that, described coupling agent is at least one in silane coupler, aluminate coupling agent, titanate coupling agent.
6. a kind of high-strength thermoplastic polyester/nano carbon fibre composite according to any one of claim 1 ~ 3, it is characterized in that, antioxidant is antioxidant 1010 or antioxidant 1076.
7. a kind of high-strength thermoplastic polyester/nano carbon fibre composite according to any one of claim 1 ~ 3, it is characterized in that, described lubricant is at least one in zinc stearate, calcium stearate, erucyl amide.
8. a kind of high-strength thermoplastic polyester/nano carbon fibre composite according to any one of claim 1 ~ 3, it is characterized in that, described flexibilizer is selected from the one in polyethylene, polypropylene, Merlon, polyurethane.
9. the preparation method of a kind of high-strength thermoplastic polyester/nano carbon fibre composite according to any one of claim 1 ~ 3, it is characterized in that, comprise the steps: to take each component by weight ratio, and add respectively in medium speed mixer, make to stir 20 ~ 30min together, evenly rear discharging to be mixed adds twin (double) screw extruder, blended through screw machine extruding, melting, carry out spinning again, the melt temperature of spinning controls between 150 ~ 200 DEG C, winding speed controls at 2000 ~ 4000m/min, heat setting temperature is 80 ~ 100 DEG C, namely described high-strength thermoplastic polyester/nano carbon fibre composite is obtained.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105813246A (en) * | 2016-05-23 | 2016-07-27 | 北京格宇布特科技有限公司 | Carbon fibre heating material and preparation method therefor |
| 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 |
| CN108754645A (en) * | 2018-07-24 | 2018-11-06 | 南通天龙化纤有限公司 | A kind of production technology of garment accessories polyester staple fiber |
| CN111434818A (en) * | 2019-01-15 | 2020-07-21 | 穆勒纺织品(天津)有限公司 | Three-dimensional knitted mesh cloth |
| CN113150570A (en) * | 2021-05-07 | 2021-07-23 | 陕西理工大学 | Building waterproof material and preparation method thereof |
| CN113699646A (en) * | 2021-09-30 | 2021-11-26 | 无锡威豪体育器材有限公司 | Fencing cloth and preparation method thereof |
| CN114411298A (en) * | 2022-03-09 | 2022-04-29 | 安徽弋尚纺织科技有限公司 | Antibacterial regenerated cellulose fiber |
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| CN101230499A (en) * | 2008-02-26 | 2008-07-30 | 山东爱地高分子材料有限公司 | Coloured high-strength polyethylene fibre and method for manufacturing same |
| CN104017335A (en) * | 2014-06-10 | 2014-09-03 | 上海电力学院 | Carbon fiber conductive enhanced PET/polyester alloy and preparation method thereof |
| CN104099682A (en) * | 2013-04-12 | 2014-10-15 | 中国石油化工股份有限公司 | Polymer/carbon nanotube/metal composite fiber and preparation method thereof |
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2015
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| CN101230499A (en) * | 2008-02-26 | 2008-07-30 | 山东爱地高分子材料有限公司 | Coloured high-strength polyethylene fibre and method for manufacturing same |
| CN104099682A (en) * | 2013-04-12 | 2014-10-15 | 中国石油化工股份有限公司 | Polymer/carbon nanotube/metal composite fiber and preparation method thereof |
| CN104017335A (en) * | 2014-06-10 | 2014-09-03 | 上海电力学院 | Carbon fiber conductive enhanced PET/polyester alloy and preparation method thereof |
Cited By (8)
| 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 |
| CN105813246A (en) * | 2016-05-23 | 2016-07-27 | 北京格宇布特科技有限公司 | Carbon fibre heating material and preparation method therefor |
| CN105813246B (en) * | 2016-05-23 | 2019-07-16 | 北京格宇布特科技有限公司 | A kind of carbon fiber heating material and preparation method thereof |
| CN108754645A (en) * | 2018-07-24 | 2018-11-06 | 南通天龙化纤有限公司 | A kind of production technology of garment accessories polyester staple fiber |
| CN111434818A (en) * | 2019-01-15 | 2020-07-21 | 穆勒纺织品(天津)有限公司 | Three-dimensional knitted mesh cloth |
| CN113150570A (en) * | 2021-05-07 | 2021-07-23 | 陕西理工大学 | Building waterproof material and preparation method thereof |
| CN113699646A (en) * | 2021-09-30 | 2021-11-26 | 无锡威豪体育器材有限公司 | Fencing cloth and preparation method thereof |
| CN114411298A (en) * | 2022-03-09 | 2022-04-29 | 安徽弋尚纺织科技有限公司 | Antibacterial regenerated cellulose fiber |
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