CN107053700A - The preparation method and device of a kind of continuous fiber reinforced thermoplastic resin - Google Patents
The preparation method and device of a kind of continuous fiber reinforced thermoplastic resin Download PDFInfo
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- CN107053700A CN107053700A CN201710308322.6A CN201710308322A CN107053700A CN 107053700 A CN107053700 A CN 107053700A CN 201710308322 A CN201710308322 A CN 201710308322A CN 107053700 A CN107053700 A CN 107053700A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/14—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length of filaments or wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/18—Separating or spreading
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Textile Engineering (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The present invention discloses the preparation method and device of a kind of continuous fiber reinforced thermoplastic resin.The immersion system includes pre-dispersed and preheating device, directive wheel, electrostatic field top crown, electrostatic field bottom crown, high-pressure electrostatic generation, melt impregnation mould, extruder, cooling and shaping device and draw-gear.The preparation method includes：Continuous tow disperses to carry out pre-dispersed and preheating with preheating device after directive wheel by fiber；Continuous tow after pre-dispersed and preheating enters between high-voltage electrostatic field top crown and electrostatic field bottom crown through directive wheel, effect twice dispersing of the continuous tow by high-pressure electrostatic field force；Continuous tow behind high-voltage electrostatic field enters melt impregnation mould, it is pre-dispersed after continuous tow be sufficiently impregnated in melt impregnation mould；The continuous tow being sufficiently impregnated continuously is produced by cooling and shaping device cooling and shaping, and under the traction of draw-gear.The continuous fiber reinforced thermoplastic resin produced using the melt impregnation device of the present invention, fully, pickling efficiency is high, prepreg excellent performance for fiber impregnation.
Description
Technical field
The present invention relates to a kind of preparation method of continuous fiber reinforced thermoplastic resin and device.
Background technology
Continuous fiber reinforced thermoplastic resin is a kind of reinforcing fiber unidirectionally arrangement and its length and resin particle length phase
Deng reinforced thermoplastic composite.Compared with thermosetting resin based composites, thermoplastic resin based composite material has
The features such as more preferable specific stiffness, specific strength, shock resistance, creep-resistant property and lightweight, recoverable, by the wide of market
General concern.And with chopped strand enhancing thermoplastic resin based composite material compared with, continuous fiber reinforced composites because
Its reinforcing fiber is continuous in resin matrix, therefore mechanical property is more excellent, has been widely used in Aero-Space, traffic fortune
The industries such as defeated, construction material, industrial design and sports goods, the focus as composite R and D.
The biggest problem for preparing continuous fiber reinforced thermoplastic resin based composites is how to make high viscosity (generally more than
Resin melt 100Pas) is uniform, be fully impregnated into fibre bundle.Prepare continuous fiber reinforced thermoplastic resin base at present
The method of composite has：Melt impregnation, solution dipping method, mixed fiber yarn method, situ aggregation method, film layered manner etc., melting
Infusion process is because its technical process is simple, the features such as be easy to industrialization, as preparing continuous fiber reinforced thermoplastic resin composite wood
Expect the most frequently used process.Melt impregnation is the melting characteristic using thermoplastic resin, first that continuous tow is pre-dispersed, in advance
Fibre bundle after scattered is by the way that in the impregnation mold full of molten polymer, fibre bundle is obtained under certain tension force and pressure effect
To scattered dipping.Therefore, except the design of impregnation mold, the pre-dispersed degree of fibre bundle is also very big to having for prepreg impregnating effect
Influence.Fibre bundle is pre-dispersed to be referred to the radially even expansion of fibre bundle using the fine technology of expansion, and as far as possible during reduction expansion
Fibrous fracture.Conventional exhibition silk, which expands method for fiber, at present mechanical device sub-wire method, air-flow sub-wire method, ultrasonic water bath sub-wire method, sound
Ripple expands nanofarads etc..
In Publication No. CN102002787A Chinese invention patent, it is noted that a kind of use carbon fibre tow expansion
Mechanical sub-wire device, the device deploys fiber comprising putting silk, heating, expanding the devices such as fine and winding by pressure roller, passes through band point
Metallic roll is carbon fiber heating；United States Patent (USP) US007536761 also discloses a kind of similar carbon fiber sub-wire and heating
Device.In Publication No. CN103343444A Chinese invention patent, it is noted that expand method for fiber expansion carbon fiber using ultrasonic wave
Chemical solution is housed, carbon fibre tow enters in solution, under cord roller draw, passed through in the device of tow, the device
The change of ultrasonic frequency drives solution to resonate and then expansion carbon fiber bundle.In Publication No. CN102505242A Chinese invention
In patent, a kind of exhibition silk device being made up of emptying roller, pneumatically spreading device, guide reel and material receiving roller is disclosed, by by machine
Tool device and pneumatic sub-wire combine progress fiber and disperseed.In Publication No. US5057338 United States Patent (USP), it is noted that a kind of fine
Tie up the pneumatic dispersal device that beam carries out sub-wire by air-flow die cavity.
Existing sub-wire device and disclosed patent have following deficiency：1. many sub-wire devices are set only for carbon fibre tow
Meter, acts on little to glass fiber strand；2. be easily caused fibre damage using simple mechanical sub-wire device, produce it is floating it is fine,
Burr etc.；3. the gentle flow point silk of mechanical device, which is combined, can effectively reduce fibre damage, but the fluctuation of air-flow sub-wire is larger, right
Uniformity is difficult to ensure that between fibre single thread.
The content of the invention
The purpose of the present invention is that there is provided a kind of continuous lod thermoplastic for problem present in prior art and method
The preparation method and device of property resin.
A kind of preparation method of continuous fiber reinforced thermoplastic resin provided by the present invention, comprises the following steps：
1) continuous tow disperses to carry out pre-dispersed and preheating with preheating device after directive wheel by fiber；
2) continuous tow after pre-dispersed and preheating enters the electrostatic field top crown and electrostatic that are oppositely arranged through directive wheel
Off field between pole plate, effect twice dispersing of the continuous tow by high-pressure electrostatic field force；
3) continuous tow that the continuous tow behind high-voltage electrostatic field enters after melt impregnation mould, twice dispersing
Thermoplastic melt is obtained in melt impregnation mould to be sufficiently impregnated；
4) continuous tow being sufficiently impregnated connects by cooling and shaping device cooling and shaping, and under the traction of draw-gear
Continuous production.
Preferably, continuous tow in glass fibre, carbon fiber, aramid fiber or basalt fibre at least one
Kind.
Preferably, thermoplastic melt is selected from polyethylene, polypropylene, nylon, polyethylene terephthalate, poly- ammonia
At least one of ester, polyformaldehyde.
According to the preparation method of continuous fiber reinforced thermoplastic resin proposed by the invention, continuous tow is by pre- point
Dissipate and enter after preheating in high-voltage electrostatic field, acted on single in twice dispersing, fibre bundle by electrostatic field force in high-voltage electrostatic field
More preferably, the continuous tow after disperseing is in melt impregnation mould by melt impregnation for dispersing uniformity between silk.By changing
Become the output voltage of the distance between upper and lower pole plate and HV generator, electrostatic field can be controlled strong and weak, change glass fibers
The suffered electrostatic field force size of dimension and deployment conditions, prepare continuous fiber reinforced thermoplastic composite material prepreg or prepreg tape.
The invention provides a kind of preparation facilities of continuous fiber reinforced thermoplastic resin, including pre-dispersed and pre- hot charging
Put, directive wheel, electrostatic field top crown, electrostatic field bottom crown, HV generator, melt impregnation mould, extruder, cooling it is fixed
Type device and draw-gear, be provided between directive wheel and melt impregnation mould electrostatic field top crown and with pole on the electrostatic field
Plate just to electrostatic field bottom crown, the electrostatic field top crown is connected by upper wire with HV generator, the electrostatic
Pole plate is grounded by lower wire off field.Wherein, electrostatic field top crown, electrostatic field bottom crown, HV generator and upper wire
High-voltage electrostatic field sub-wire device is collectively constituted with lower wire.High-pressure electrostatic between the electrostatic field top crown, electrostatic field bottom crown
The electric field pressure of field is by HV generator control.Vertical range can between 5cm-30cm between bottom crown on electrostatic field
Adjust.HV generator output voltage is adjustable between 10KV-100KV.Used in electrostatic field top crown and electrostatic field bottom crown
Material is one kind in the conductive metal materials such as aluminium foil, aluminium, iron, copper.
Preferably, vertical range is adjusted between 10cm-20cm between electrostatic field top crown and electrostatic field bottom crown.Up and down
Between pole plate distance it is too small it is easy puncture, it is too weak apart from excessive applied force of electrostatic field.
Preferably, the electric field pressure of high-voltage electrostatic field is adjusted between 10KV-60KV.When electrostatic field pressure be less than 10KV,
Applied force of electrostatic field is too weak, little to scattered contribution；Electrostatic field pressure is higher than 100KV, easily punctures.
Compared with prior art, the preparation method of continuous fiber reinforced thermoplastic resin and device that the present invention is carried have with
Lower advantage：
1. continuous tow is adopted in the preparation method and device of the continuous fiber reinforced thermoplastic resin that the present invention is provided
It is combined with mechanical sub-wire and electrostatic field sub-wire, apparatus structure is simply easily realized.
2. the regulation of the distance between output voltage and upper bottom crown that the present invention can be by changing HV generator is fine
The electrostatic field force suffered by beam is tieed up, is continuously adjusted conveniently.
3. monofilament is by applied force of electrostatic field in fibre bundle, the Interaction Force of monofilament makes to disperse evenly, to prepare
Material prepreg fiber it is well dispersed；In addition, fibre bundle is due to electrostatic field so that fiber and polymer melt
Surface combines and is easier.
Brief description of the drawings
Fig. 1 is continuous fiber reinforced thermoplastic resin melt impregnation schematic device of the present invention.
Fig. 2 is schematic diagram of the fibre bundle 1 through electrostatic field top crown 5 and electrostatic field bottom crown 6.
In figure, 1, continuous tow；2nd, directive wheel；3rd, pre-dispersed and preheating device；4th, directive wheel；5th, pole on electrostatic field
Plate；6th, electrostatic field bottom crown；7th, wire；8th, HV generator；9th, wire；10th, melt impregnation mould；11st, extruder；
12nd, cooling and shaping device；13rd, draw-gear.
Embodiment
The present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings, but the present invention is not limited to following implementation
Example.
The preparation facilities of the continuous fiber reinforced thermoplastic resin of the present invention includes：Pre-dispersed and preheating device 3, directive wheel
4th, electrostatic field top crown 5, electrostatic field bottom crown 6, upper wire 7, HV generator 8, lower wire 9, melt impregnation mould 10,
Extruder 11, cooling and shaping device 12 and draw-gear 13；Electrostatic field top crown 5, electrostatic field bottom crown 6 are just to placing, electrostatic
Field top crown 5 is connected by upper wire 7 with HV generator 8, and electrostatic field bottom crown 6 is grounded by lower wire 9.Wherein,
Electrostatic field top crown 5, electrostatic field bottom crown 6, HV generator 8 collectively constitute high-pressure electrostatic with upper wire 7 and lower wire 9
Field sub-wire device.The electric field pressure of high-voltage electrostatic field is by high-pressure electrostatic between the electrostatic field top crown 5, electrostatic field bottom crown 6
Generator 8 is controlled.
One embodiment of the apparatus according to the invention, electrostatic field top crown 5 and electrostatic field bottom crown 6 be shaped as length
Square plate, vertical range is adjustable between 5cm-30cm between electrostatic field top crown 5 and electrostatic field bottom crown 6；High-pressure electrostatic
The electric field pressure of field is controlled by HV generator 8, and electrostatic field voltage is adjustable between 0-100KV；The He of electrostatic field top crown 5
The material therefor of electrostatic field bottom crown 6 is one kind in the conductive metal materials such as aluminium foil, aluminium, iron.
A kind of preparation method of continuous fiber reinforced thermoplastic resin provided by the present invention, comprises the following steps：
1) continuous tow 1 disperses to carry out pre-dispersed and preheating with preheating device 3 after directive wheel 2 by fiber；
2) continuous tow 1 after pre-dispersed and preheating enters the electrostatic field top crown 5 that is oppositely arranged and quiet through directive wheel 4
Between electric field bottom crown 6, effect twice dispersing of the continuous tow 1 by high-pressure electrostatic field force；
3) the continuous fibre that the continuous tow 1 behind high-voltage electrostatic field enters after melt impregnation mould 10, twice dispersing
Dimension beam 1 obtains thermoplastic melt in melt impregnation mould 10 and is sufficiently impregnated；
4) continuous tow 1 being sufficiently impregnated is by the cooling and shaping of cooling and shaping device 12, and leading in draw-gear 13
Draw lower continuous production.
One embodiment of the method according to the invention, it is vertical between electrostatic field top crown 5 and electrostatic field bottom crown 6
Distance can be adjusted between 5cm-30cm；Electrostatic field intensity is adjusted by HV generator 8；Continuous tow 1 is by being oriented to
After wheel 4 electrostatic field is passed through under tractive force effect in the middle of electrostatic field top crown 5 and electrostatic field bottom crown 6.
One embodiment of the method according to the invention, it is fine that continuous tow 1 is selected from glass fibre, carbon fiber, aramid fiber
At least one of dimension or basalt fibre；
One embodiment of the method according to the invention, the thermoplastic melt is selected from polyethylene, polypropylene, Buddhist nun
At least one of dragon, polyethylene terephthalate, polyurethane, polyformaldehyde.
According to the preparation method of continuous fiber reinforced thermoplastic resin proposed by the invention, continuous tow 1 is by pre-
Enter after scattered and preheating in high-voltage electrostatic field, acted in high-voltage electrostatic field by electrostatic field force in twice dispersing, fibre bundle
More preferably, the continuous tow 1 after disperseing is in melt impregnation mould 10 by melt impregnation for dispersing uniformity between monofilament.It is logical
The output voltage for changing the distance between top crown 5, bottom crown 6 and HV generator 8 is crossed, electrostatic field strength can be controlled
Weak, electrostatic field force size and deployment conditions suffered by change continuous tow 1 prepare continuous fiber reinforced thermoplastic composite material
Prepreg or prepreg tape.
Embodiment 1
In high-voltage electrostatic generator in the present embodiment the size of electrostatic field top crown 5 and bottom crown 6 be 100 ×
150mm, material therefor is aluminium foil.HV generator 8 is the high voltage power supply of vertical (Tianjin) Science and Technology Ltd. production difficult to understand, can
Tune voltage is 0-50kv.Vertical range between electrostatic field top crown 5 used and bottom crown 6 of the invention uses 10cm.
The preparation method of the continuous fiber reinforced thermoplastic resin comprises the following steps：
(a) continuous tow 1 disperses to carry out pre-dispersed and preheating with preheating device 3 after directive wheel 2 by fiber, in advance
Hot temperature is 190 DEG C.
(b) continuous tow 1 after the step (a) is handled enters high-voltage electrostatic field top crown 5 and quiet through directive wheel 4
Between electric field bottom crown 6, the continuous tow 1 behind high-voltage electrostatic field enters melt impregnation mould 10, passes through extruder 11
The thermoplastic melt plastified is squeezed into melt impregnation mould 10；Continuous tow 1 after pre-dispersed is in fuse dipping die
Thermoplastic melt is obtained in tool 10 to be sufficiently impregnated.190 DEG C of 11 feeding section heating-up temperature of extruder, fluxing zone heating-up temperature
210 DEG C, homogenizing zone and extruder head temperature are 230 DEG C, 230 DEG C of the heating-up temperature of melt impregnation mould 10；
(c) continuous tow 1 and thermoplastic melt after the step (b) is handled are carried out by cooling device 12
Cooling and shaping, is continuously produced under the traction of draw-gear 13, prepares the continuous fiber reinforced thermoplastic resin.
In step (a), continuous tow 1 is glass fibre.
In step (b), thermoplastic melt is polypropylene.
Step (b) the mesohigh electrostatic field voltage is adjusted between 10KV-30kv.
The hauling speed 2m/min of draw-gear (13) in the step (c).
Water absorption rate is the important indicator for reflecting degree of steeping, according to GB/T 1462-2005《Fibre reinforced plastics water imbibition
Test method》, for every group of material strip prepared by the present embodiment perpendicular to 5, sample for axially intercepting long 50mm ± 1mm；Sample
Put into and 20h ± 1h is dried in 50 DEG C ± 2 DEG C of baking oven, take out sample and weigh each sample mass (m1), be accurate to 0.001g；With
It is 24h ± 0.5h in 23 DEG C ± 0.5 DEG C of distilled water that sample is immersed into temperature afterwards, and sample taking-up is removed into surface moisture with filter paper
Claim to obtain sample mass (m2) again afterwards, be accurate to 0.001g；Every group of batten repeats above testing procedure, relative to sample mass
Percentage absorb water according to formulaIt can be calculated.
Interlaminar shear strength shows the important indicator that reflection polymer and reinforcement surface are combined, according to ASTM D2344,
The prepreg prepared in the present embodiment is prepared into thick h=2mm in vulcanizing press, wide b=4mm standard testing batten,
Shear strength between being tested once on measurer for pulling force, loads spot diameter 6mm, supports spot diameter 3mm, loading velocity 1mm/min, Zeng Jian
Shear strength is according to formulaIt can be calculated.
Tensile strength is the important indicator for reflecting prepreg mechanical property, according to GB/T1477-2005《Fibre reinforced plastics
Erichsen test method》, the prepreg prepared by the present embodiment is prepared into thickness d=4mm, intermediate parallel section width b=
10mm standard testing batten, and on measurer for pulling force carry out tensile property test, tensile test machine clamp spacing from
115mm, loading velocity 2mm/min, tensile stress is according to formulaIt can be calculated.Test data is see table 1 below.
Table 1
Prepreg performance parameter such as table 2 below not plus prepared by electrostatic field sub-wire：
Table 2
Therefore, it is decreased obviously using this technique prepreg water absorption rate, the mechanics such as interlaminar shear strength and tensile strength
Performance is also significantly improved.
Embodiment 2
The preparation method and evaluation of result method of the present embodiment continuous fiber reinforced thermoplastic resin with embodiment one
Identical, its difference is：Distance between electrostatic field top crown 5 and bottom crown in the present embodiment mesohigh electrostatic generator
For 30cm；The output voltage 40KV of HV generator 8.Continuous tow 1 used is carbon fiber, thermoplastic resin in the present embodiment
Fat melt is polypropylene.
Prepared prepreg performance parameter is as shown in table 3 below：
Table 3
Embodiment 3
The preparation method and evaluation of result method of the present embodiment continuous fiber reinforced thermoplastic resin with embodiment one
Identical, its difference is：Vertical range between electrostatic field top crown 5 and bottom crown 6 uses 20cm.Institute in the present embodiment
It is aramid fiber with continuous tow 1, thermoplastic melt is nylon.210 DEG C of 11 feeding section heating-up temperature of extruder, plasticizing
230 DEG C of heating-up temperature of section, homogenizing zone and extruder head temperature are 250 DEG C, 250 DEG C of the heating-up temperature of melt impregnation mould 10.
Prepared prepreg performance parameter is as shown in table 4 below：
Table 4
Embodiment 4
The preparation method and evaluation of result method of the present embodiment continuous fiber reinforced thermoplastic resin with embodiment one
Identical, its difference is：Vertical range between electrostatic field top crown 5 and bottom crown 6 uses 30mm.Institute in the present embodiment
It is basalt fibre with continuous tow 1, thermoplastic melt is polyethylene.190 DEG C of 11 feeding section heating-up temperature of extruder,
210 DEG C of fluxing zone heating-up temperature, homogenizing zone and extruder head temperature are 230 DEG C, the heating-up temperature 230 of melt impregnation mould 10
℃。
Prepared prepreg performance parameter is as shown in table 5 below：
Table 5
Embodiment 5
The preparation method and evaluation of result method of the present embodiment continuous fiber reinforced thermoplastic resin with embodiment one
Identical, its difference is：Vertical range between electrostatic field top crown 5 and bottom crown 6 uses 20cm, high-voltage electrostatic field work
Make voltage 30KV.Continuous tow 1 used is glass fibre in the present embodiment, and thermoplastic melt is polyethylene.Extruder
11 190 DEG C of feeding section heating-up temperatures, 210 DEG C of fluxing zone heating-up temperature, homogenizing zone and extruder head temperature are 230 DEG C, melting leaching
230 DEG C of the heating-up temperature of stain mould 10.
Prepared prepreg performance parameter is as shown in table 6 below：
Table 6
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (9)
1. a kind of preparation method of continuous fiber reinforced thermoplastic resin, comprises the following steps：
1) continuous tow disperses to carry out pre-dispersed and preheating with preheating device by directive wheel by fiber；
2) continuous tow after pre-dispersed and preheating enters under the electrostatic field top crown and electrostatic field that are oppositely arranged through directive wheel
Between pole plate, effect twice dispersing of the continuous tow by high-pressure electrostatic field force；
3) continuous tow that the continuous tow behind high-voltage electrostatic field enters after melt impregnation mould, twice dispersing is molten
Melt and thermoplastic melt is obtained in impregnation mold be sufficiently impregnated；
4) continuous tow being sufficiently impregnated continuously is given birth to by cooling and shaping device cooling and shaping, and under the traction of draw-gear
Production.
2. the preparation method of continuous fiber reinforced thermoplastic resin according to claim 1, it is characterised in that：The electrostatic
The electric field pressure U of high-voltage electrostatic field is controlled by HV generator (8) between field top crown, electrostatic field bottom crown, and 100KV >=
U≥10KV。
3. the preparation method of continuous fiber reinforced thermoplastic resin according to claim 2, it is characterised in that：The electrostatic
Electric field pressure 60KV >=U >=30KV of high-voltage electrostatic field between field top crown, electrostatic field bottom crown.
4. the preparation method of continuous fiber reinforced thermoplastic resin according to claim 1 or 2, it is characterised in that：It is described
Continuous tow is selected from least one of glass fibre, carbon fiber, aramid fiber or basalt fibre.
5. the preparation method of continuous fiber reinforced thermoplastic resin according to claim 1 or 2, it is characterised in that：It is described
Thermoplastic melt in polyethylene, polypropylene, nylon, polyethylene terephthalate, polyurethane, polyformaldehyde extremely
Few one kind.
6. a kind of preparation facilities of continuous fiber reinforced thermoplastic resin, including pre-dispersed and preheating device, directive wheel, electrostatic field
Top crown, electrostatic field bottom crown, HV generator, melt impregnation mould, extruder, cooling and shaping device and traction dress
Put, it is characterised in that：Be provided between directive wheel and melt impregnation mould electrostatic field top crown and with the electrostatic field top crown
Just to electrostatic field bottom crown, the electrostatic field top crown is connected by upper wire with HV generator, the electrostatic field
Bottom crown is grounded by lower wire, wherein, the electrostatic field top crown, electrostatic field bottom crown, HV generator are with above leading
Line and lower wire collectively constitute high-voltage electrostatic field sub-wire device, and high pressure is quiet between the electrostatic field top crown, electrostatic field bottom crown
The electric field pressure of electric field is by HV generator control.
7. the preparation facilities of continuous fiber reinforced thermoplastic resin according to claim 6, the electrostatic field top crown and
Vertical range 30cm >=H >=5cm between the electrostatic field bottom crown.
8. the preparation facilities of continuous fiber reinforced thermoplastic resin according to claim 7, the electrostatic field top crown and
Vertical range 20cm >=H >=10cm between the electrostatic field bottom crown.
9. the preparation facilities of the continuous fiber reinforced thermoplastic resin according to claim 6 or 7, it is characterised in that：It is described
Electrostatic field top crown and the electrostatic field bottom crown material therefor are one kind in the conductive metal materials such as aluminium foil, aluminium, iron, copper.
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| CN111409293A (en) * | 2020-03-31 | 2020-07-14 | 华南理工大学 | Dipping method of ultrasonic reinforced long fiber reinforced polymer composite material and ultrasonic reinforced long fiber reinforced polymer composite material |
| CN112721230A (en) * | 2020-11-16 | 2021-04-30 | 浙江大学 | Microfiber high-energy implantation equipment for manufacturing three-dimensional reinforced carbon fiber composite material |
| CN112810188A (en) * | 2021-02-26 | 2021-05-18 | 山东中航和辉航空标准件有限责任公司 | Continuous manufacturing method of composite material section bar |
| CN113500797A (en) * | 2021-07-06 | 2021-10-15 | 南通曙光机电工程有限公司 | Preparation method of stainless steel pressure vessel wound carbon fiber |
| CN113583268A (en) * | 2021-09-01 | 2021-11-02 | 西安交通大学 | Method for improving performance of fiber resin matrix composite material |
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| CN111409293A (en) * | 2020-03-31 | 2020-07-14 | 华南理工大学 | Dipping method of ultrasonic reinforced long fiber reinforced polymer composite material and ultrasonic reinforced long fiber reinforced polymer composite material |
| CN112721230A (en) * | 2020-11-16 | 2021-04-30 | 浙江大学 | Microfiber high-energy implantation equipment for manufacturing three-dimensional reinforced carbon fiber composite material |
| CN112810188A (en) * | 2021-02-26 | 2021-05-18 | 山东中航和辉航空标准件有限责任公司 | Continuous manufacturing method of composite material section bar |
| CN113500797A (en) * | 2021-07-06 | 2021-10-15 | 南通曙光机电工程有限公司 | Preparation method of stainless steel pressure vessel wound carbon fiber |
| CN113583268A (en) * | 2021-09-01 | 2021-11-02 | 西安交通大学 | Method for improving performance of fiber resin matrix composite material |
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