CN104416912A - Continuous fiber-reinforced thermoplastic resin product and preparation method thereof - Google Patents
Continuous fiber-reinforced thermoplastic resin product and preparation method thereof Download PDFInfo
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- CN104416912A CN104416912A CN201310376547.7A CN201310376547A CN104416912A CN 104416912 A CN104416912 A CN 104416912A CN 201310376547 A CN201310376547 A CN 201310376547A CN 104416912 A CN104416912 A CN 104416912A
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- Prior art keywords
- thermoplastic resin
- continuous fiber
- reinforced thermoplastic
- fiber reinforced
- prepreg tape
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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
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
- B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
-
- 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
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/12—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat
- B29C70/14—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat oriented
Abstract
The invention belongs to the technical field of polymer materials, and relates to a continuous fiber-reinforced thermoplastic resin product and a preparation method thereof. According to the invention, a continuous fiber-reinforced thermoplastic prepreg tape material is cut into 3-10 mm, and then braided into continuous fiber-reinforced thermoplastic resin composite material cloth or braided into various component shapes; then hot processing by molds is performed to obtain continuous fiber-reinforced thermoplastic composite material components or products with any shapes. The processing method of the invention can effectively solve the problem of processing difficulty when a structural component is manufactured by unidirectional continuous fiber-reinforced thermoplastic resin prepreg tapes, and thus the component is provided with higher mechanical property.
Description
Technical field
The invention belongs to technical field of polymer materials, relate to a kind of continuous fiber reinforced thermoplastic resin goods and preparation method thereof.
Background technology
Continuity fiber-reinforced thermoplastic resin is made up of fiber and resin two parts, and most stretched thermoplastic resin intensity is low, but has very high toughness and plasticity; And fiber has very high hot strength, but be easily damaged and be not easy formed machining.The compound of fiber and resin carries out complementation to the defect of the two, and the combination property of continuity fiber-reinforced thermoplastic resin composite is improved greatly.Compare with aluminium with traditional steel, its density is about 1/5 of steel, is about 1/2 of aluminium; Specific strength and specific modulus also far above alloy that is firm and aluminium, therefore have the light feature of quality under the condition that Rigidity and strength is identical, are that other material is incomparable saving the energy, improving in the serviceability of component.
Thermoplastic resin can thermoplastic repeatedly, cooling curing, being HMW solid under normal temperature, is line style or the polymer with a small amount of side chain, intermolecular nothing be cross-linked, only attract each other by van der waals force or hydrogen bond.In molding process, through pressurized, heated i.e. softening and flowing, there is not chemical crosslinking in resin, can in mould figuration, through cooling and shaping, the goods of obtained required form.In thermal histories repeatedly, molecular structure does not change substantially, when temperature is too high, overlong time time, then degraded can occur or decompose, these are all the features distinguished with thermosetting resin.
When prior art carries out processing and fabricating product to unidirectional continuous fiber reinforced thermoplastic resin prepreg tape material, be by along prepreg tape machine direction transverse and longitudinal laying, and after becoming certain thickness according to desired thickness or product mechanical requirements laying, carry out hot-forming.Because adjacent two the prepreg tape machine directions of prepreg tape become 0 ° and 90 ° of intersections, so two preimpregnation exist with certain coupling stress, deformation of products is large.Especially make close or semiclosed property goods and slightly complicated structural element time, the harmony of product mechanical property cannot be ensured, therefore also greatly reduce its application.
Summary of the invention
For the problem of prior art, the object of this invention is to provide a kind of continuous fiber reinforced thermoplastic resin goods and preparation method thereof.
For achieving the above object, the present invention is by the following technical solutions:
A preparation method for continuous fiber reinforced thermoplastic resin goods, the method comprises the following steps:
(1) unidirectional continuous fiber reinforced thermoplastic resin prepreg tape is cut along machine direction, cut into narrow prepreg tape;
(2) braiding apparatus is utilized to weave the narrow prepreg tape obtained in step (1), wherein narrow prepreg tape along braiding apparatus longitudinal arrangement as warp thread, along braiding apparatus transversely arranged as weft yarn, warp thread and weft yarn are woven into the composite braided material of the shape of cloth-like or parts by braiding apparatus;
(3) composite braided material obtained in step (2) is passed through laying apparatus, successively be laid on mould, in laid course, heating and melting is carried out to the composite braided material on mould, and carry out roll-in with roller, adjacent composite braided material tight is linked together, after reaching the thickness needed for product, cool, the demoulding obtains described continuous fiber reinforced thermoplastic resin goods.
The width of the narrow prepreg tape described in step (1) is 3 ~ 10mm;
The preparation method of the unidirectional continuous fiber reinforced thermoplastic resin prepreg tape described in step (1) comprises the following steps: joined by thermoplastic resin in extruder, film is extruded by staggered two extrusion dies, become band by tension-adjusting gear continuous fiber is arranged in parallel, lead two extrusion die place, the both sides of banded continuous fiber contact with two extrusion die respectively, flood with the molten resin extruded, continuous fiber after dipping, guide-in roller pressure device, roll-in, the obtained unidirectional continuous fiber reinforced thermoplastic resin prepreg tape of cooling.
Warp thread and weft yarn close-packed arrays in the composite braided material obtained in described step (2) but not overlapping, form fine and close braided material;
In described step (3), heating-up temperature is the melt temperature of thermoplastic resin, and the rolling pressure of roller is 1 ~ 3MPa, and roller temperature is 70 ~ 90 DEG C;
Be provided with cooling-water duct in mould in described step (3), pass into cooling water during cooling and cool, chilling temperature is less than 40 DEG C.
The continuous fiber reinforced thermoplastic resin goods that a kind of said method is obtained.
Described continuous fiber reinforced thermoplastic resin goods
The weight percentage of middle fiber is 40% ~ 75%; The weight percentage of thermoplastic resin is 25% ~ 60%.
Described thermoplastic resin be selected from vistanex, thermoplastic polyester, polyamide, Merlon, other resins for universal use or high performance engineering plastics one or more;
Preferably, described vistanex is selected from polypropylene or polyethylene;
Described thermoplastic polyester is selected from PETG, PTT or polybutylene terephthalate (PBT);
Described polyamide is selected from nylon 6, nylon66 fiber, nylon 12, nylon 1212 or nylon 612;
Described Merlon is selected from fatty poly-ester carbonate, aromatic copolycarbonate or aliphatic-aromatic Merlon;
Other described resins for universal use are selected from polyvinyl chloride, acrylonitrile-butadiene-styrene copolymer, polystyrene or high impact polystyrene;
Described high performance engineering plastics is selected from polyether-ether-ketone, polyphenylene sulfide, polyphenylene oxide or PEI.
Described continuous fiber be selected from E-glass fibre, S-glass fibre, Kafra fiber, carbon fiber or basalt fibre one or more.
Compared with prior art, the invention has the beneficial effects as follows:
1, one of the present invention utilizes continuous fiber reinforced thermoplastic resin prepreg tape materials processing product new method to have process operation easily, is conducive to product scale of mass production.
2, one of the present invention utilizes continuous fiber reinforced thermoplastic resin prepreg tape materials processing product new method that continuous fiber reinforced thermoplastic resin prepreg tape can be utilized to process various structural, closure parts or product.Greatly strengthen its application.
3, a kind of continuous fiber reinforced thermoplastic resin prepreg tape materials processing product new method that utilizes of the present invention to reduce in prior art coupling stress between layers, ensure that the stability of shape of product.
4, one of the present invention utilizes continuous fiber reinforced thermoplastic resin prepreg tape materials processing product new method to prepare goods again after being woven into composite material cloth, ensure that the harmony of product each position mechanical property.
Accompanying drawing explanation
Fig. 1 is the composite material cloth of narrow continuous fiber reinforced thermoplastic resin prepreg tape braiding in the embodiment of the present invention.
Fig. 2 is the structural representation of pipe obtained in the embodiment of the present invention 1.
Fig. 3 is the structural representation of corrugated plating obtained in the embodiment of the present invention 2.
Fig. 4 is the structural representation of hemispherical Shell obtained in the embodiment of the present invention 3.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is further illustrated.
Embodiment 1
As shown in Figure 1, 2, a kind of continuous fiber reinforced thermoplastic resin rounding pipe, obtains by the following method:
(1) unidirectional continuous fiber reinforced thermoplastic resin prepreg tape is prepared: join in extruder by polyethers ether resin of copper, film is extruded by staggered two extrusion dies, become band by tension-adjusting gear continuous carbon fibre is arranged in parallel, lead two extrusion die place, the both sides of banded continuous carbon fibre contact with two extrusion die respectively, flood with the molten resin extruded, continuous fiber after dipping, guide-in roller pressure device, roll-in, the obtained unidirectional continuous carbon fibre of cooling strengthen polyethers ether resin of copper prepreg tape;
Be that 0.15mm unidirectional continuous carbon fibre enhancing polyethers ether resin of copper prepreg tape cuts along machine direction by above-mentioned thickness, carry out cutting into the narrow prepreg tape that width is 7mm;
(2) braiding apparatus is utilized to weave the narrow prepreg tape obtained in step (1), wherein narrow prepreg tape along braiding apparatus longitudinal arrangement as warp thread, along braiding apparatus transversely arranged as weft yarn, utilize establishment braiding apparatus, with technique, warp thread is made into width for 2400mm composite material cloth together with weft yarns, and keep adjacent warp thread or weft yarn tight but nonoverlapping arranged together, form densified composite cloth;
(3) composite material cloth is passed through laying apparatus, first to composite material cloth be heated to 335 DEG C make polyethers ether resin of copper melt after, be wrapped on metal cylinder that diameter is 100mm plated surface polytetrafluoro again, winding limit, limit by temperature be 90 DEG C, pressure is the pressure roller roll-in of 1MPa, after being wound around 20 circles, cold water is passed into mould, the demoulding after making its temperature be reduced to 40 DEG C, obtained wall thickness is 6mm, internal diameter is 100mm, length is the pipe of 2400mm, and in pipe, the weight percentage of fiber is 40%.
Embodiment 2
As shown in Figure 1,3, a kind of continuous fiber reinforced thermoplastic resin corrugated plating, obtains by the following method:
(1) unidirectional continuous fiber reinforced thermoplastic resin prepreg tape is prepared: join in extruder by hot polymerization allyl resin, film is extruded by staggered two extrusion dies, become band by tension-adjusting gear continuous E-glass fibre is arranged in parallel, lead two extrusion die place, the both sides of banded E-glass continuous fiber contact with two extrusion die respectively, flood with the molten resin extruded, continuous E-glass fibre after dipping, guide-in roller pressure device, roll-in, the obtained unidirectional continuous E-glass fiber reinforced polypropylene resin prepreg tape of cooling;
Be that the unidirectional E-that connects of 0.17mm continues glass fiber reinforced polypropylene resin prepreg tape and cuts along machine direction by above-mentioned thickness, carry out cutting into the narrow prepreg tape that width is 10mm;
(2) braiding apparatus is utilized to weave the narrow prepreg tape obtained in step (1), wherein narrow prepreg tape along braiding apparatus longitudinal arrangement as warp thread, along braiding apparatus transversely arranged as weft yarn, utilize establishment braiding apparatus, with technique, warp thread is made into width for 3000mm composite material cloth together with weft yarns, and keep adjacent warp thread or weft yarn tight but nonoverlapping arranged together, form densified composite cloth.
(3) by width be that 3000mm composite material cloth is cut into width constant, length is the composite material cloth of 5000mm, and limit lay is on scraggly mould, limit heating-up temperature makes acrylic resin melting to 180 DEG C, while by temperature be 70 DEG C, pressure is that the pressure roller of 1MPa carries out roll-in to melting composite material cloth.After repeatedly repeating lay 20 layers of composite material cloth, cold water is passed into mould, the demoulding after making its temperature be reduced to 30 DEG C, formed consistent with mold shape, thickness is the corrugated plating that the company E-of 6.8mm continues glass fiber reinforced polypropylene resin composite, and in corrugated plating, the weight percentage of fiber is 75%.
Described unidirectional E-continues the TPAC polypropylene prepreg tape that glass fiber reinforced polypropylene resin prepreg tape also can purchase Liaoning Liaojie Technology Co., Ltd.'s production.
Embodiment 3
As shown in Fig. 1,4, a kind of continuous fiber reinforced thermoplastic resin hemispherical Shell, obtains by the following method:
(1) unidirectional continuous fiber reinforced thermoplastic resin prepreg tape is prepared: joined by polyphenylene sulfide in extruder, film is extruded by staggered two extrusion dies, become band by the continuous Kafra fiber of tension-adjusting gear is arranged in parallel, lead two extrusion die place, the both sides of banded Kafra fiber continuously contact with two extrusion die respectively, flood with the molten resin extruded, continuous Kafra fiber after dipping, guide-in roller pressure device, roll-in, the obtained unidirectional continuous Kafra fiber of cooling strengthen polyphenylene sulfide prepreg tape;
Be that the unidirectional continuous Kafra fiber enhancing polyphenylene sulfide prepreg tape of 0.16mm cuts along machine direction by above-mentioned obtained thickness, carry out cutting into the narrow prepreg tape that width is 3mm;
(2) braiding apparatus is utilized to weave the narrow prepreg tape obtained in step (1), wherein narrow prepreg tape along braiding apparatus longitudinal arrangement as warp thread, along braiding apparatus transversely arranged as weft yarn, utilize establishment braiding apparatus, with technique, warp thread is made into thickness for 0.32mm together with weft yarns, spheroid internal diameter is respectively 60mm, 60.64mm, 61.28mm ... 65.76mm, wherein the increasing successively by the tolerance of 0.64mm of internal diameter.And keep adjacent warp thread or weft yarn tight but nonoverlapping arranged together, form fine and close woven composite hemispherical Shell.
(3) the woven composite hemispherical Shell being 60mm by minimum diameter and internal diameter is placed on the hemisphere mould that diameter is 60mm, and limit is heated to 280 DEG C makes polyphenylene sulfide melting, while by temperature be 80 DEG C, pressure is that the pressure roller of 1MPa carries out comprehensive roll-in to melting woven composite hemispherical Shell.Repeat 10 woven composite hemisphere that lay increases gradually, after limit lay, limit heating and melting, limit roll-in, cold water is led to mould, being cooled to temperature is the demoulding after 35 DEG C, final formation thickness is the hemispherical Shell of the continuous Kafra fiber enhancing polyphenylene sulfide resin composite material of 3.2mm, and in hemispherical Shell, the weight percentage of fiber is 50%.
It is that Liaoning Liaojie Technology Co., Ltd.'s TPAC Kev draws polyphenylene sulfide prepreg tape that described unidirectional continuous Kafra fiber strengthens polyphenylene sulfide prepreg tape.
Carry out performance test to product obtained in embodiment, test result is as following table 1:
Table 1
| Embodiment | Impact strength KJ/m 2 | Bending strength MPa |
| Embodiment 1 | 831 | 899 |
| Embodiment 2 | 201 | 305 |
| Embodiment 3 | 891 | 561 |
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (10)
1. a preparation method for continuous fiber reinforced thermoplastic resin goods, is characterized in that: the method comprises the following steps:
(1) unidirectional continuous fiber reinforced thermoplastic resin prepreg tape is cut along machine direction, cut into narrow prepreg tape;
(2) braiding apparatus is utilized to weave the narrow prepreg tape obtained in step (1), wherein narrow prepreg tape along braiding apparatus longitudinal arrangement as warp thread, along braiding apparatus transversely arranged as weft yarn, warp thread and weft yarn are woven into the composite braided material of the shape of cloth-like or parts by braiding apparatus;
(3) composite braided material obtained in step (2) is passed through laying apparatus, successively be laid on mould, in laid course, heating and melting is carried out to the composite braided material on mould, and carry out roll-in with roller, adjacent composite braided material tight is linked together, after reaching the thickness needed for product, cool, the demoulding obtains described continuous fiber reinforced thermoplastic resin goods.
2. preparation method according to claim 1, is characterized in that: the width of the narrow prepreg tape described in step (1) is 3 ~ 10mm.
3. preparation method according to claim 1, it is characterized in that: the preparation method of the unidirectional continuous fiber reinforced thermoplastic resin prepreg tape described in step (1) comprises the following steps: joined by thermoplastic resin in extruder, film is extruded by staggered two extrusion dies, become band by tension-adjusting gear continuous fiber is arranged in parallel, lead two extrusion die place, the both sides of banded continuous fiber contact with two extrusion die respectively, flood with the molten resin extruded, continuous fiber after dipping, guide-in roller pressure device, roll-in, the obtained unidirectional continuous fiber reinforced thermoplastic resin prepreg tape of cooling.
4. preparation method according to claim 1, is characterized in that: warp thread and weft yarn close-packed arrays in the composite braided material obtained in described step (2), forms fine and close braided material.
5. preparation method according to claim 1, is characterized in that: in described step (3), heating-up temperature is the melt temperature of thermoplastic resin, and the rolling pressure of roller is 1 ~ 3MPa, and roller temperature is 70 ~ 90 DEG C;
Be provided with cooling-water duct in mould in described step (3), pass into cooling water during cooling and cool, chilling temperature is less than 40 DEG C.
6. the continuous fiber reinforced thermoplastic resin goods that in a claims 1-5, arbitrary described method is obtained.
7. continuous fiber reinforced thermoplastic resin goods according to claim 6, is characterized in that: in described continuous fiber reinforced thermoplastic resin goods, the weight percentage of fiber is 40% ~ 75%; The weight percentage of thermoplastic resin is 25% ~ 60%.
8. continuous fiber reinforced thermoplastic resin goods according to claim 7, is characterized in that: described thermoplastic resin be selected from vistanex, thermoplastic polyester, polyamide, Merlon, other resins for universal use or high performance engineering plastics one or more.
9. continuous fiber reinforced thermoplastic resin goods according to claim 8, is characterized in that: described vistanex is selected from polypropylene or polyethylene;
Described thermoplastic polyester is selected from PETG, PTT or polybutylene terephthalate (PBT);
Described polyamide is selected from nylon 6, nylon66 fiber, nylon 12, nylon 1212 or nylon 612;
Described Merlon is selected from fatty poly-ester carbonate, aromatic copolycarbonate or aliphatic-aromatic Merlon;
Other described resins for universal use are selected from polyvinyl chloride, acrylonitrile-butadiene-styrene copolymer, polystyrene or high impact polystyrene;
Described high performance engineering plastics is selected from polyether-ether-ketone, polyphenylene sulfide, polyphenylene oxide or PEI.
10. continuous fiber reinforced thermoplastic resin goods according to claim 7, is characterized in that: described continuous fiber be selected from E-glass fibre, S-glass fibre, Kafra fiber, carbon fiber or basalt fibre one or more.
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| CN201310376547.7A CN104416912A (en) | 2013-08-26 | 2013-08-26 | Continuous fiber-reinforced thermoplastic resin product and preparation method thereof |
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| CN201310376547.7A CN104416912A (en) | 2013-08-26 | 2013-08-26 | Continuous fiber-reinforced thermoplastic resin product and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273546A (en) * | 2015-05-26 | 2017-01-04 | 句容市百事特复合材料有限公司 | A kind of continuous fiber reinforced thermoplastic is without the preparation technology of latitude band fabric sheet material |
| CN108177412A (en) * | 2018-02-10 | 2018-06-19 | 威海纳川管材有限公司 | A kind of fiber-reinforced multi-layer composite band and its preparation process containing functional unit |
| CN109054067A (en) * | 2018-06-21 | 2018-12-21 | 江苏诺贝尔塑业有限公司 | A kind of pvc pipe of wear resistant and impact resistant and preparation method thereof |
| CN110001090A (en) * | 2019-04-04 | 2019-07-12 | 东南大学 | A kind of preparation method of continuous fiber reinforced thermoplastic composite material |
| CN111197194A (en) * | 2018-11-16 | 2020-05-26 | 汉达精密电子(昆山)有限公司 | Fiber woven cloth and prepreg thereof |
| CN111730922A (en) * | 2019-03-25 | 2020-10-02 | 东莞市千岛金属锡品有限公司 | Radar echo attenuation composite material and preparation method thereof |
| CN111844523A (en) * | 2020-07-16 | 2020-10-30 | 长安大学 | Method for sizing pre-impregnated fiber bundles for three-dimensional weaving by adopting thermoplastic resin |
| CN111890702A (en) * | 2020-08-04 | 2020-11-06 | 上海宜治模具有限公司 | Method for weaving plate by using thermoplastic continuous fiber tape |
| CN113878899A (en) * | 2021-08-25 | 2022-01-04 | 惠州市美源吉体育用品有限公司 | Method for manufacturing carbon fiber product |
| CN116001309A (en) * | 2022-12-16 | 2023-04-25 | 江苏君华特种工程塑料制品有限公司 | Forming method of unidirectional continuous fiber reinforced thermoplastic resin matrix composite product |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106273546A (en) * | 2015-05-26 | 2017-01-04 | 句容市百事特复合材料有限公司 | A kind of continuous fiber reinforced thermoplastic is without the preparation technology of latitude band fabric sheet material |
| CN108177412A (en) * | 2018-02-10 | 2018-06-19 | 威海纳川管材有限公司 | A kind of fiber-reinforced multi-layer composite band and its preparation process containing functional unit |
| CN108177412B (en) * | 2018-02-10 | 2023-07-21 | 威海纳川管材有限公司 | Fiber reinforced multi-layer composite belt containing functional units and preparation process thereof |
| CN109054067A (en) * | 2018-06-21 | 2018-12-21 | 江苏诺贝尔塑业有限公司 | A kind of pvc pipe of wear resistant and impact resistant and preparation method thereof |
| CN111197194A (en) * | 2018-11-16 | 2020-05-26 | 汉达精密电子(昆山)有限公司 | Fiber woven cloth and prepreg thereof |
| CN111730922A (en) * | 2019-03-25 | 2020-10-02 | 东莞市千岛金属锡品有限公司 | Radar echo attenuation composite material and preparation method thereof |
| CN110001090A (en) * | 2019-04-04 | 2019-07-12 | 东南大学 | A kind of preparation method of continuous fiber reinforced thermoplastic composite material |
| CN111844523A (en) * | 2020-07-16 | 2020-10-30 | 长安大学 | Method for sizing pre-impregnated fiber bundles for three-dimensional weaving by adopting thermoplastic resin |
| CN111890702A (en) * | 2020-08-04 | 2020-11-06 | 上海宜治模具有限公司 | Method for weaving plate by using thermoplastic continuous fiber tape |
| CN113878899A (en) * | 2021-08-25 | 2022-01-04 | 惠州市美源吉体育用品有限公司 | Method for manufacturing carbon fiber product |
| CN116001309A (en) * | 2022-12-16 | 2023-04-25 | 江苏君华特种工程塑料制品有限公司 | Forming method of unidirectional continuous fiber reinforced thermoplastic resin matrix composite product |
| CN116001309B (en) * | 2022-12-16 | 2023-09-08 | 江苏君华特种工程塑料制品有限公司 | Forming method of unidirectional continuous fiber reinforced thermoplastic resin matrix composite product |
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Application publication date: 20150318 |