CN106626447A - Pultrusion device and pultrusion process for thermoplastic substrate layer production - Google Patents
Pultrusion device and pultrusion process for thermoplastic substrate layer production Download PDFInfo
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- CN106626447A CN106626447A CN201710159435.4A CN201710159435A CN106626447A CN 106626447 A CN106626447 A CN 106626447A CN 201710159435 A CN201710159435 A CN 201710159435A CN 106626447 A CN106626447 A CN 106626447A
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- pultrusion
- diameter
- matrix layer
- thermoplastic matrix
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Classifications
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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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
-
- 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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
- B29C70/526—Pultrusion dies, e.g. dies with moving or rotating parts
-
- 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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
- B29C70/528—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3462—Cables
Abstract
The invention discloses a pultrusion device and pultrusion process for thermoplastic substrate layer production. The pultrusion device comprises a pay-off device, a pultrusion box, a tightening box, a cooling device, a tractor and a take-up device which are sequentially arranged according to the pultrusion process sequence. A heating device and a pultrusion mold are arranged in the pultrusion box. The pultrusion mold is divided into a front change segment and a rear constant segment which are connected into a whole. Each of the sections of pultrusion holes of the front change segment and the rear constant segment is circular. A heating device and multiple tightening molds with the heating function are arranged in the tightening box. The diameters of the outlet ends of tight holes of the tightening molds are decreased gradually. According to the pultrusion device and pultrusion process for thermoplastic substrate layer production, the pultrusion mold is designed in a segmented manner, and the good pultrusion effect can be obtained; meanwhile tightening of the multiple tightening molds is conducted after pultrusion, and gaps between composite fiber bundles can be further compressed and extruded; and the quality of thermoplastic substrate layers is improved, and the quality of composite cores is improved.
Description
Technical field
The present invention relates to a kind of pulltrusion device and pultrude process for producing thermoplastic matrix layer.
Background technology
Composite core can effectively substitute steel core as cable reinforcing core.At present for environmental protection and the requirement of energy-conservation, carbon fiber
Recovery becomes a kind of trend, and compared with thermosetting composite core, the carbon fiber of thermoplastic composite core is easier back thermoplastic composite core
Receive and utilize.Composite core is produced, it is necessary first to obtain continuous fiber reinforced thermoplastic matrix bundle of composite fibers, then by many fibres
Dimension Shu Jinhang pultrusions obtain thermoplastic matrix layer.
The content of the invention
First purpose of the present invention is to provide a kind of pulltrusion device for producing thermoplastic matrix layer.
The technical scheme for realizing first purpose of the invention is a kind of pulltrusion device for producing thermoplastic matrix layer, including by
Wire dispenser, pultrusion case, tight case, cooler, tractor and the spooler set gradually according to pultrude process order；The pultrusion case
Middle setting heater and pultrusion die；The pultrusion die is to be divided into the front change section and latter constant section, front change being connected as a single entity
The section for changing section and latter constant section of pultrusion hole is circle；Heater is set in the tight case and multiple bands add hot merit
The tight mould of energy；The port of export diameter of the tight hole of multiple tight moulds is tapered into.
The diameter of the pultrusion hole of the front change section of the pultrusion die is tapered into from arrival end to the port of export, arrival end
2-10 times of a diameter of thermoplastic matrix layer finished diameter, 1-2 times of a diameter of thermoplastic matrix layer finished diameter of the port of export；Institute
The diameter for stating rear constant section of pultrusion die of pultrusion hole is equal to front change section port of export diameter.
The length of the front change section of the pultrusion die is 20-200 times, afterwards constant section of thermoplastic matrix layer finished diameter
Length be 10-40 times of thermoplastic matrix layer finished diameter；The arrival end of the front change section of the pultrusion die and rear constant
The equal rounding of the port of export of section, 0.5-2 times of a diameter of thermoplastic matrix layer finished diameter of fillet fillet.
Described each tight mould is to be divided into the front transition and rear consistent section, front transition and rear consistent section being connected as a single entity
The section of pultrusion hole be circle.
The diameter of the pultrusion hole of the front transition of the tight mould is tapered into from arrival end to the port of export, arrival end
1-2 times of a diameter of thermoplastic matrix layer finished diameter；The pultrusion hole of the rear consistent section of the front transition of the pultrusion die
Diameter is equal to front transition port of export diameter；It is upper that together closely the port of export diameter of mould/lower together closely mould outlet end is straight
Footpath=1.05-1.15.
The length of the front transition of the tight mould is 2-5 times of thermoplastic matrix layer finished diameter, afterwards consistent section
Length is 0.5-2 times of thermoplastic matrix layer finished diameter；The arrival end of the front transition of the tight mould and rear consistent section
The equal rounding of the port of export, 0.5-2 times of a diameter of thermoplastic matrix layer finished diameter of fillet fillet.
The number of the tight mould is 1-10, preferred 3-6.
Preheater is set between the wire dispenser and pultrusion case.
The wire dispenser includes 1～10 bobbin；The cooler is cooling water flow in pond or aircooling cabinet；The cooling
The cooling water flow in pond of device has multiple, and temperature is gradually lowered, or air has multiple when cooling down, and temperature is gradually lowered.
Second object of the present invention is to provide a kind of pultrude process for producing thermoplastic matrix layer.
The technical scheme for realizing second purpose of the invention is a kind of pultrude process for producing thermoplastic matrix layer, using front
State the pulltrusion device of production thermoplastic matrix layer；Pultrude process is comprised the following steps：
Step one, by 1-10 beams bundle of composite fibers from wire dispenser release, through preheater preheating；Preheater temperature is 100-
400 DEG C, preferred 150-250 DEG C；
The pultrusion die that step 2, the 1-10 bundle of composite fibers through preheating are entered in pultrusion case；Pultrusion case plus hot charging
Put and pultrusion die is heated to as 200-500 DEG C, control melt temperature 5- of the temperature higher than the thermoplastic of bundle of composite fibers
20℃；
Step 3, through pultrusion bundle of composite fibers enter tight case in the tight mould of multiple tracks；Bundle of composite fibers is passed through
It is 1.05-1.15 per the shrinkage factor after tight mould together；Closely the heater of case is heated to tight mould for 200-500
DEG C, control melt temperature 5-20 DEG C of the temperature higher than the thermoplastic of bundle of composite fibers；
Step 4, ladder cooling is carried out into cooler through close bundle of composite fibers, thermoplastic matrix is formed after cooling
Body layer, is wound by spooler；Softening temperature of the temperature of thermoplastic matrix layer less than thermoplastic after cooling.
Above-mentioned technical proposal is employed, the present invention has following beneficial effect：(1) pultrusion die of the invention segmentation sets
Meter, can obtain good pultrusion effect；Carry out the tight of the tight mould of multiple tracks again after pultrusion simultaneously, enable to compound fibre
Further compress extrusion in space between dimension beam；The quality of thermoplastic matrix layer is improve, and then improves the quality of composite core.
(2) pultrusion die of the invention is through calculating repeatedly and test, according to the final thermoplastic matrix layer for needing
Diameter has most suitable aperture value and length value.
(3) present invention carries out one by one closely, and through calculating repeatedly and test, there is optimal using the tight mould of multiple tracks
Stepwize Shrink rate, the aperture value and length value of tight mould are determined according to shrinkage factor, the performance of such thermoplastic matrix layer has
Ensure.
(4) setting of wire dispenser of the present invention can simultaneously process 1～10 thermoplastic matrix layer.
(4) present invention is cooled down using ladder, can better control over the performance of fibre bundle.
Description of the drawings
In order that present disclosure is easier to be clearly understood, below according to specific embodiment and accompanying drawing is combined, it is right
The present invention is described in further detail, wherein
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the schematic diagram of the pultrusion die of the present invention.
Fig. 3 is the schematic diagram of the tight mould of the present invention.
It is numbered in accompanying drawing：
Wire dispenser 1, pultrusion case 2, pultrusion die 21, front change section 21-1, rear constant section of 21-2, tight case 3, tight mould
31st, front transition 31-1, rear consistent section 31-2, cooler 4, tractor 5, spooler 6, preheater 7, bundle of composite fibers 8, thermoplastic
Property base layer 9.
Specific embodiment
(embodiment 1)
See Fig. 1, a kind of pulltrusion device for producing thermoplastic matrix layer of the present embodiment, including according to pultrude process order according to
The wire dispenser 1 of secondary setting, preheater 7, pultrusion case 2, tight case 3, cooler 4, tractor 5 and spooler 6.Set in pultrusion case 2
Put heater and pultrusion die 21；Closely heater and multiple tight moulds 31 with heating function are set in case 3；It is multiple
Closely the port of export diameter of the tight hole of mould 31 is tapered into.Closely the number of mould 31 is 1-10, preferred 3-6.
Wire dispenser 1 includes 1～10 bobbin；Cooler 4 is cooling water flow in pond or aircooling cabinet；The cooling water flow in pond of cooler 4 has many
Individual, temperature is gradually lowered, or air has multiple when cooling down, and temperature is gradually lowered.
As shown in Fig. 2 pultrusion die 21 is to be divided into front change section 21-1 and rear constant section of 21-2 being connected as a single entity, front change
The section of the pultrusion hole of section 21-1 and rear constant section of 21-2 is circle；The pultrusion hole of front change section 21-1 of pultrusion die 21
The diameter in hole is tapered into from arrival end to the port of export, 2-10 times of a diameter of thermoplastic matrix layer finished diameter of arrival end, is gone out
1-2 times of a diameter of thermoplastic matrix layer finished diameter in mouth end；The pultrusion hole of rear constant section of 21-2 of pultrusion die 21 it is straight
Footpath is equal to front change section 21-1 port of export diameter.The length of front change section 21-1 of pultrusion die 21 is thermoplastic matrix layer finished product
20-200 times of diameter, afterwards the length of constant section of 21-2 is 10-40 times of thermoplastic matrix layer finished diameter；Pultrusion die 21
The arrival end of front change section 21-1 and the equal rounding of the port of export of rear constant section of 21-2, a diameter of thermoplastic matrix layer of fillet fillet
0.5-2 times of finished diameter.
As shown in figure 3, each tight mould 31 is to be divided into the front transition 31-1 and rear consistent section 31-2 being connected as a single entity, it is front
Transition 31-1 is circle with the section of the pultrusion hole of rear consistent section 31-2.The closely drawing of the front transition 31-1 of mould 31
The diameter of crowded hole is tapered into from arrival end to the port of export, 1-2 times of a diameter of thermoplastic matrix layer finished diameter of arrival end；
The diameter of the pultrusion hole of rear consistent section 31-2 of the front transition 31-1 of pultrusion die is equal to front transition 31-1 port of export diameters；
The upper tight port of export diameter of the mould 31/lower tight port of export diameter of mould 31=1.05-1.15 together together.Tight mould 31
The length of front transition 31-1 be 2-5 times of thermoplastic matrix layer finished diameter, afterwards the length of consistent section 31-2 is thermoplasticity
0.5-2 times of base layer finished diameter；The closely outlet of the arrival end of the front transition 31-1 of mould 31 and rear consistent section 31-2
Hold equal rounding, 0.5-2 times of a diameter of thermoplastic matrix layer finished diameter of fillet fillet.
Pultrude process is comprised the following steps：
Step one, 1-10 beams bundle of composite fibers 8 is released from wire dispenser 1, preheated through preheater 7；The temperature of preheater 7 is
100-400 DEG C, preferred 150-250 DEG C；
The pultrusion die 21 that step 2, the bundle of composite fibers 8 through preheating are entered in pultrusion case 2；Pultrusion case 2 plus hot charging
Put and pultrusion die 21 is heated to as 200-500 DEG C, control melt temperature of the temperature higher than the thermoplastic of bundle of composite fibers
5-20℃；
Step 3, through pultrusion bundle of composite fibers 8 enter tight case 3 in the tight mould 31 of multiple tracks；Bundle of composite fibers 8
Shrinkage factor after per tight mould 31 together is 1.05-1.15；Closely the heater of case 3 is heated on tight mould 31
For 200-500 DEG C, melt temperature 5-20 DEG C of the temperature higher than the thermoplastic of bundle of composite fibers is controlled；
Step 4, ladder cooling is carried out into cooler 4 through close bundle of composite fibers 8, thermoplasticity is formed after cooling
Base layer 9, is wound by spooler 6；Softening temperature of the temperature of thermoplastic matrix layer 9 less than thermoplastic after cooling.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, be not limited to the present invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. a kind of pulltrusion device for producing thermoplastic matrix layer, it is characterised in that：Including setting gradually according to pultrude process order
Wire dispenser (1), pultrusion case (2), tight case (3), cooler (4), tractor (5) and spooler (6)；The pultrusion case (2)
Middle setting heater and pultrusion die (21)；The pultrusion die (21) be divided into the front change section (21-1) that is connected as a single entity and
Constant section (21-2) afterwards, the section of the pultrusion hole of front change section (21-1) and rear constant section (21-2) is circle；It is described tight
Heater and multiple tight moulds (31) with heating function are set in close case (3)；The tight hole of multiple tight moulds (31)
The port of export diameter in hole is tapered into.
2. a kind of pulltrusion device for producing thermoplastic matrix layer according to claim 1, it is characterised in that：The pultrusion mould
The diameter of the pultrusion hole of the front change section (21-1) of tool (21) is tapered into from arrival end to the port of export, a diameter of heat of arrival end
2-10 times of plastic substrate layer finished diameter, 1-2 times of a diameter of thermoplastic matrix layer finished diameter of the port of export；The pultrusion mould
The diameter of the pultrusion hole of rear constant section (21-2) of tool (21) is equal to front change section (21-1) port of export diameter.
3. a kind of pulltrusion device for producing thermoplastic matrix layer according to claim 2, it is characterised in that：The pultrusion mould
The length of the front change section (21-1) of tool (21) is 20-200 times of thermoplastic matrix layer finished diameter, afterwards constant section (21-2)
Length is 10-40 times of thermoplastic matrix layer finished diameter；The arrival end of the front change section (21-1) of the pultrusion die (21)
With the equal rounding of the port of export of rear constant section (21-2), 0.5-2 times of a diameter of thermoplastic matrix layer finished diameter of fillet fillet.
4. a kind of pulltrusion device for producing thermoplastic matrix layer according to claim 3, it is characterised in that：It is described that each is tight
Close mould (31) is to be divided into the front transition (31-1) and rear consistent section (31-2) being connected as a single entity, front transition (31-1) and latter
The section for causing the pultrusion hole of section (31-2) is circle.
5. a kind of pulltrusion device for producing thermoplastic matrix layer according to claim 4, it is characterised in that：The tight mould
The diameter of the pultrusion hole of the front transition (31-1) of tool (31) is tapered into from arrival end to the port of export, a diameter of heat of arrival end
1-2 times of plastic substrate layer finished diameter；The pultrusion hole of the rear consistent section (31-2) of the front transition (31-1) of the pultrusion die
The diameter in hole is equal to front transition (31-1) port of export diameter；The port of export diameter of upper mould (31) tight together/lower tight together
Close mould (31) port of export diameter=1.05-1.15.
6. a kind of pulltrusion device for producing thermoplastic matrix layer according to claim 5, it is characterised in that：The tight mould
The length of the front transition (31-1) of tool (31) is 2-5 times of thermoplastic matrix layer finished diameter, afterwards the length of consistent section (31-2)
Spend for 0.5-2 times of thermoplastic matrix layer finished diameter；The arrival end of the front transition (31-1) of the tight mould (31) and
The equal rounding of the port of export of consistent section (31-2) afterwards, 0.5-2 times of a diameter of thermoplastic matrix layer finished diameter of fillet fillet.
7. a kind of pulltrusion device for producing thermoplastic matrix layer according to claim 6, it is characterised in that：The tight mould
The number of tool (31) is 1-10, preferred 3-6.
8. a kind of pulltrusion device for producing thermoplastic matrix layer according to claim 7, it is characterised in that：The wire dispenser
(1) preheater (7) is set and pultrusion case (2) between.
9. a kind of pulltrusion device for producing thermoplastic matrix layer according to claim 8, it is characterised in that：The wire dispenser
(1) including 1～10 bobbin；The cooler (4) is cooling water flow in pond or aircooling cabinet；The water-cooled of the cooler (4)
But pond has multiple, and temperature is gradually lowered, or air has multiple when cooling down, and temperature is gradually lowered.
10. a kind of pultrude process for producing thermoplastic matrix layer, it is characterised in that：Using production heat as claimed in claim 9
The pulltrusion device of plastic substrate layer；Pultrude process is comprised the following steps：
Step one, by 1-10 beam bundle of composite fibers (8) from wire dispenser (1) release, through preheater (7) preheating；Preheater (7) temperature
Spend for 100-400 DEG C, preferred 150-250 DEG C；
Step 2, the bundle of composite fibers (8) of process preheating are into the pultrusion die (21) in pultrusion case (2)；Pultrusion case (2) plus
Thermal is heated to pultrusion die (21) for 200-500 DEG C, controls temperature molten higher than the thermoplastic of bundle of composite fibers
Melt temperature 5-20 DEG C；
Step 3, through pultrusion bundle of composite fibers (8) into the tight mould of the multiple tracks (31) in tight case (3)；Composite fibre
Shrinkage factor of the beam (8) after per tight mould (31) together is 1.05-1.15；Closely the heater of case (3) is by tight mould
Tool (31) is heated to as 200-500 DEG C, controls melt temperature 5-20 DEG C of the temperature higher than the thermoplastic of bundle of composite fibers；
Step 4, ladder cooling is carried out into cooler (4) through close bundle of composite fibers (8), thermoplasticity is formed after cooling
Base layer (9), is wound by spooler (6)；Softening temperature of the temperature of thermoplastic matrix layer (9) less than thermoplastic after cooling
Degree.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710159435.4A CN106626447A (en) | 2017-03-17 | 2017-03-17 | Pultrusion device and pultrusion process for thermoplastic substrate layer production |
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|---|---|---|---|
| CN201710159435.4A CN106626447A (en) | 2017-03-17 | 2017-03-17 | Pultrusion device and pultrusion process for thermoplastic substrate layer production |
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| CN108908970A (en) * | 2018-06-27 | 2018-11-30 | 西安飞机工业（集团）有限责任公司 | A kind of molding machine and forming method of hand-held Zone R filler |
| CN111619141A (en) * | 2019-02-27 | 2020-09-04 | 洛阳双瑞橡塑科技有限公司 | Thermoplastic composite yarn pultrusion profile forming die |
| CN113320191A (en) * | 2021-06-01 | 2021-08-31 | 华东理工大学 | Pultrusion method of high-performance thermoplastic composite material I-beam |
| CN113561474A (en) * | 2021-08-03 | 2021-10-29 | 中国科学院苏州纳米技术与纳米仿生研究所南昌研究院 | Preparation system and method of continuous carbon fiber reinforced PPS printing wire and application of preparation system |
| WO2023170110A1 (en) * | 2022-03-09 | 2023-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Device and method for producing filaments |
| CN116749549A (en) * | 2023-06-22 | 2023-09-15 | 江苏亨博复合材料有限公司 | Continuous production line and production process of thermoplastic composite material profile |
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| CN111619141A (en) * | 2019-02-27 | 2020-09-04 | 洛阳双瑞橡塑科技有限公司 | Thermoplastic composite yarn pultrusion profile forming die |
| CN113320191A (en) * | 2021-06-01 | 2021-08-31 | 华东理工大学 | Pultrusion method of high-performance thermoplastic composite material I-beam |
| CN113561474A (en) * | 2021-08-03 | 2021-10-29 | 中国科学院苏州纳米技术与纳米仿生研究所南昌研究院 | Preparation system and method of continuous carbon fiber reinforced PPS printing wire and application of preparation system |
| WO2023170110A1 (en) * | 2022-03-09 | 2023-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Device and method for producing filaments |
| CN116749549A (en) * | 2023-06-22 | 2023-09-15 | 江苏亨博复合材料有限公司 | Continuous production line and production process of thermoplastic composite material profile |
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Application publication date: 20170510 |