CN116001309A - Forming method of unidirectional continuous fiber reinforced thermoplastic resin matrix composite product - Google Patents
Forming method of unidirectional continuous fiber reinforced thermoplastic resin matrix composite product Download PDFInfo
- Publication number
- CN116001309A CN116001309A CN202211627469.9A CN202211627469A CN116001309A CN 116001309 A CN116001309 A CN 116001309A CN 202211627469 A CN202211627469 A CN 202211627469A CN 116001309 A CN116001309 A CN 116001309A
- Authority
- CN
- China
- Prior art keywords
- resin matrix
- fiber reinforced
- matrix composite
- thermoplastic resin
- continuous fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 115
- 239000011159 matrix material Substances 0.000 title claims abstract description 88
- 229920005992 thermoplastic resin Polymers 0.000 title claims abstract description 61
- 239000011199 continuous fiber reinforced thermoplastic Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 86
- 238000000465 moulding Methods 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 239000000835 fiber Substances 0.000 claims abstract description 35
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 239000011347 resin Substances 0.000 claims abstract description 29
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 238000003754 machining Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000000047 product Substances 0.000 claims description 56
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 31
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 31
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 24
- 239000004917 carbon fiber Substances 0.000 claims description 24
- 238000007596 consolidation process Methods 0.000 claims description 20
- 238000002955 isolation Methods 0.000 claims description 12
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 9
- 229920002530 polyetherether ketone Polymers 0.000 claims description 9
- 229920006260 polyaryletherketone Polymers 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 4
- 239000000805 composite resin Substances 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000011185 multilayer composite material Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 229920002873 Polyethylenimine Polymers 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 229920000491 Polyphenylsulfone Polymers 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- 229920006231 aramid fiber Polymers 0.000 claims description 2
- 229920001652 poly(etherketoneketone) Polymers 0.000 claims description 2
- 229920001601 polyetherimide Polymers 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000011265 semifinished product Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000004760 aramid Substances 0.000 claims 1
- 230000004888 barrier function Effects 0.000 claims 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 22
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000005336 cracking Methods 0.000 description 5
- 229920006351 engineering plastic Polymers 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920000106 Liquid crystal polymer Polymers 0.000 description 2
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 2
- 239000007822 coupling agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 229920000412 polyarylene Polymers 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Landscapes
- Reinforced Plastic Materials (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a molding method of a unidirectional continuous fiber reinforced thermoplastic resin matrix composite product, which comprises the following steps: s1, providing equipment with program control and pressure control capabilities; s2, cutting the prepreg and auxiliary materials of the continuous fiber reinforced thermoplastic resin matrix composite material according to a preset size; s3, laying the auxiliary material and the prepreg of the continuous fiber reinforced thermoplastic resin matrix composite material according to a preset sequence, and placing the laid auxiliary material and the prepreg on a heating platform of equipment; s4, setting a program temperature and a program pressure, and heating; s5, after the heating platform of the equipment is raised to a set temperature and stably operates for a certain time, pressurizing and exhausting are carried out, after pressurization is completed, the stable operation is carried out for a period of time, cooling is carried out, and when the temperature is lowered to below 110 ℃, part of auxiliary materials are removed, so that a blank of the continuous fiber reinforced resin matrix composite product is obtained; s6, machining and repairing the blank, and removing auxiliary materials to obtain the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product.
Description
Technical Field
The invention relates to the technical field of special engineering plastics, in particular to a molding method of a unidirectional continuous fiber reinforced thermoplastic resin matrix composite product.
Background
The special engineering plastic is a kind of engineering plastic with high comprehensive performance and long-term use temperature of more than 200 ℃, mainly comprises Polyimide (PI), polyether ether ketone (PEEK), polyphenylene sulfide (PPS), liquid Crystal Polymer (LCP), polysulfone (PSF) and the like, and is mainly applied to the high-tech fields of aerospace, military industry, medical treatment, electron and electricity, special industry and the like because of excellent physical properties. The PPS resin is exemplified below.
PPS belongs to one of polyarylene sulfides (PAS), the main chain structure is a benzene ring structure and a thioether bond, the benzene ring imparts rigidity to the polyphenylene sulfide, and the thioether bond provides a certain flexibility, so that the polyarylene sulfide has excellent high temperature resistance, corrosion resistance, radiation resistance, flame retardance, dimensional stability and excellent electrical properties. Among PAS polymers, polyphenylene sulfide (PPS) is the most typical, most important, and most common representative, and is widely used relative to other engineering plastics because PPS is inexpensive. (structural formula of PPS:
)
although PPS has excellent overall properties, it has the disadvantages of high brittleness, poor toughness, and low strength, and is often required to be compounded with other materials to improve its properties, most commonly with the addition of glass fibers and carbon fibers. The fiber plays a role of a nucleating agent in the PPS matrix, so that PPS molecules are crystallized around the fiber, and the coupling agent is added to improve the bonding property of the interface of the PPS molecule and the fiber, so that the PPS molecule can play a role of reinforcement when being impacted by the outside. Carbon fiber has the advantages of light weight, high strength and modulus, electric conduction, heat conduction, small expansion coefficient and the like, is often compounded with polyphenylene sulfide and is applied to the field of aviation, and the composite material is also considered as one of the aviation thermoplastic composite materials with the best comprehensive performance and the most potential.
The patent CN201210183558.9 discloses a continuous long fiber reinforced PPS composite material, a preparation method and application thereof, which consists of PPS, a continuous long glass fiber reinforcing agent, a coupling agent, a lubricant and an antioxidant, and is formed by extrusion granulation, wherein the length is controlled to be 11-13mm, the grain diameter is 2.0-3.5 mm, and the product form belongs to particles. Patent CN202010420328.4 CF/PPS composite material with high impact toughness and preparation method thereof relates to a method for preparing carbon fiber reinforced PPS composite material by processing satin carbon fiber fabric firstly and then compounding the satin carbon fiber fabric with PPS, wherein the satin carbon fiber fabric is woven in warp and weft two-dimensional mode and combined with PPS, and the cracking problem can not occur. Patent CN 201910707572.6A high-toughness continuous fiber reinforced PPS composite prepreg tape and a preparation method thereof solves the problem that the PPS unidirectional prepreg tape is easy to crack along the fiber direction and the like by adding a toughening agent, a chemical solubilizer (isocyanate) and a high-toughness engineering plastic Polycarbonate (PC) aiming at the problems that the PPS brittleness is large and the toughness is poor, but the patent only relates to the manufacturing problem of the prepreg tape and does not relate to further molding application.
Disclosure of Invention
The invention aims at: aiming at the problems of insufficient melt strength of a resin matrix, high brittleness and poor toughness of the high-fluidity resin matrix, and the problems of stress, middle cracking and the like easily existing along the fiber direction when the preparation stage of a composite material product is carried out by using the unidirectional continuous fiber reinforced thermoplastic resin matrix composite material prepreg; the invention provides a novel molding method of unidirectional continuous fiber reinforced thermoplastic resin matrix composite products through optimizing and adjusting the process, which overcomes the technical defects, gets rid of the limitation that the conventional composite material is manufactured by a mold with corresponding size and corresponding molding equipment, and has simple process and makes up for the short plates in the prior art.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product is characterized by comprising the following steps of:
s1, providing equipment with program control and pressure control capabilities;
s2, cutting the prepreg and auxiliary materials of the continuous fiber reinforced thermoplastic resin matrix composite material according to a preset size;
s3, laying the auxiliary material and the prepreg of the continuous fiber reinforced thermoplastic resin matrix composite material according to a preset sequence, and placing the laid auxiliary material and the prepreg on a heating platform of the equipment;
s4, setting a program temperature and a program pressure, and heating;
s5, after the heating platform of the equipment is raised to a set temperature and stably operates for a certain time, pressurizing and exhausting are carried out, after pressurization is completed, the stable operation is carried out for a period of time, cooling is carried out, and when the temperature is lowered to below 110 ℃, part of auxiliary materials are removed, so that a blank of the continuous fiber reinforced resin matrix composite product is obtained;
s6, processing and repairing the obtained blank, and removing all auxiliary materials to obtain the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product.
Specifically, the molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product provided by the invention has the advantages that the process is simple, the limitation that a mold with corresponding size and corresponding molding equipment are needed for manufacturing a conventional composite material is eliminated, and the problem that the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product is cracked in the blank manufacturing stage is solved. The method is simple, and makes up for the short plates of the current domestic technology.
Further, a molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product comprises the following steps: the equipment with the program temperature and pressure control capability in the step S1 is selected from one of a vulcanizing machine, a molding press, a steel belt press and a Teflon belt press.
Further, a molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product comprises the following steps: the continuous fiber in the step S2 is selected from one or two of continuous carbon fiber, continuous glass fiber, continuous aramid fiber, continuous quartz fiber, continuous polyimide and continuous PPO fiber.
Further, a molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product comprises the following steps: the resin-based composite material in the step S2 is one or more selected from PEEK, PEKK, PAEK, PPS, PEI, PPSU; the prepreg of the continuous fiber reinforced thermoplastic resin matrix composite material is a thermoplastic resin matrix prepreg fiber composite material semi-finished product obtained by combining the resin matrix composite material and the continuous fibers.
Further, a molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product comprises the following steps: the auxiliary material described in step S2 includes: the method comprises the following steps of (1) key consumable materials used for molding a composite material product, isolation materials between the composite material and a heating platform of equipment and consolidation materials; the isolating material is used for preventing the composite material from being solidified on the equipment heating platform after being cooled down; the consolidation material is used for preventing the prepreg from overstretching and has the positioning function. The prepreg is pressed and stretched at high temperature, so that the prepreg is prevented from being excessively stretched and the consolidated material with the positioning function is prevented.
Further, a molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product comprises the following steps: the isolating material is a multi-layer composite material; the multi-layer composite material consists of a temperature resistant layer, a weather resistant layer, a sealing layer and an anti-sticking layer.
Further, a molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product comprises the following steps: the consolidation material is a fiber reinforced resin matrix composite material, the surface of the consolidation material is provided with a concave-convex or puncture texture structure, and the consolidation material has the characteristics of high temperature resistance, radiation resistance and good dimensional stability.
Further, a molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product comprises the following steps: the laying sequence in step S3 refers to the angle of the fibers, and the laying sequence thereof is as follows: 0 DEG, 0 DEG/90 DEG, 0 DEG/45 DEG/90 DEG, and any other angle, and carrying out symmetrical laying.
Further, a molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product comprises the following steps: and setting the program temperature and the program pressure in the step S4, wherein the temperature and the pressure are correspondingly adjusted according to the conditions of the resin matrix and the fiber matrix, and the highest temperature which can be reached by the equipment is at least 450 ℃.
Further, a molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product comprises the following steps: and S5, after the heating platform of the equipment is heated to a set temperature which is 20-30 ℃ higher than the melting temperature of the raw materials, stabilizing for 5-60 minutes, repeatedly pressurizing and exhausting, pressurizing for 1-5MPa each time, stabilizing for 5-60 minutes after pressurizing is finished, then performing program cooling, and removing part of auxiliary materials when the temperature is reduced to below 110 ℃ to obtain a blank of the continuous fiber reinforced resin matrix composite product.
Further, a molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product comprises the following steps: the processing modification in step S6 is performed by using a multi-axis machine tool.
The principle of the molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product provided by the invention is as follows: the invention uses the traditional composite material forming basis for reference, improves the modification and has the following advantages: (1) According to the invention, the anti-sticking of the composite material blank and the metal platform is realized by means of the solid isolation material, the use of the traditional liquid demoulding agent is eliminated, and for the actual production process, the potential safety hazard caused by the use of chemical agents does not exist, so that the physical and psychological health of operators is effectively protected; (2) The invention effectively weakens the high-temperature pressurized flow of the resin matrix by using the consolidation material, drives the fiber migration process, can realize the design purpose, and further avoids the risk of cracking in the middle of the composite material product; (3) In the forming process, pressurization is carried out at a high temperature stage, so that the resin has good melt fluidity and is easier to infiltrate into fibers; (4) The invention keeps the temperature of the heating platform constant through program temperature control, ensures the stable resin state of each part, has good board forming evenness effect, and overcomes the conditions of uneven cooling, uneven crystallization of special resin matrix or internal stress of composite material products caused by uneven temperature.
Compared with the prior art, the invention has the following beneficial effects:
(1) The molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product provided by the invention has a simple process and makes up for the short plates of the current domestic technology.
(2) The molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product provided by the invention gets rid of the limitation that a mold with a corresponding size and corresponding molding equipment are needed for manufacturing a conventional composite material.
(3) The molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product solves the problems that the resin matrix with high fluidity has large brittleness and poor toughness because of insufficient melt strength of the resin matrix, and the unidirectional continuous fiber reinforced thermoplastic resin matrix composite prepreg is easy to have stress, middle cracking and the like along the fiber direction when the composite product is manufactured.
(4) The unidirectional continuous fiber reinforced thermoplastic resin matrix composite product prepared by the molding method can be widely applied to the fields with high-temperature resistance and high-toughness requirements, and can be applied to the fields of aerospace, military industry, medical treatment and the like.
(5) The molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product provided by the invention belongs to an intermittent production mode, but can produce specific products for small-scale product application, and has obvious stepwise progress.
Detailed Description
The technical scheme of the present invention will be clearly and completely described in the following in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a molding method of a unidirectional continuous fiber reinforced thermoplastic resin matrix composite product, which comprises the following specific steps:
s1, providing equipment with program control and pressure control capabilities;
s2, cutting the prepreg of the continuous fiber reinforced thermoplastic resin matrix composite material and auxiliary materials thereof according to a preset size;
s3, laying the auxiliary material and the prepreg of the continuous fiber reinforced thermoplastic resin matrix composite material according to a certain sequence (the auxiliary material is laid on the periphery of the prepreg), and placing the prepreg on a heating platform of equipment after the laying is completed;
s4, setting a program temperature and a program pressure, controlling the temperature and the pressure in stages, starting heating, and manufacturing;
s5, when the heating platform of the equipment is raised to a set temperature and is higher than the melting temperature of the thermoplastic resin matrix for a certain period of time, performing pressurization and air discharge operation, completing pressurization, raising the pressure to a high pressure, stabilizing for a period of time, cooling, taking out the whole body when the temperature is lowered to below 110 ℃, and removing auxiliary materials to obtain a blank of the continuous fiber reinforced thermoplastic resin matrix composite product;
s6, processing and repairing the blank of the obtained composite material product to obtain the unidirectional continuous fiber reinforced thermoplastic resin matrix composite material product.
Example 1
In the embodiment 1, the resin matrix composite is PEEK, specifically, a 500mm*400mm*1.2mm 0 DEG composite plate is manufactured, and the method comprises the following steps:
s1, providing equipment with program control and pressure control capabilities;
s2, cutting the prepreg and auxiliary materials of the continuous fiber reinforced thermoplastic resin matrix composite material according to a preset size; specifically, preparing a continuous carbon fiber reinforced PEEK prepreg 8 layer with the length of 510mm and the width of 410mm, preparing an isolating material with the length of 550mm and the width of 450mm, and preparing a consolidation material with the length of 530mm and the width of 430 mm;
s3, material laying: firstly paving a layer of isolation material, paving a layer of consolidation material, sequentially paving 8 layers of 0-degree continuous carbon fiber reinforced PEEK prepreg, paving a layer of consolidation material, paving a layer of isolation material, obtaining a continuous carbon fiber reinforced PEEK composite material product blank after paving, and placing the obtained blank on a heating platform of equipment;
s4, setting a program temperature, heating according to a heating section of 120-250-400 ℃, setting the pressure to be 0.3MPa, and starting a heating program to perform heating operation;
s5, pressurizing and exhausting after the heating platform of the equipment is heated to 390 ℃ and is kept constant for 10 minutes, wherein pressurizing is carried out for 1.0MPa each time, and pressurizing is carried out every 4 minutes until the maximum pressure is 10.0MPa; after pressurization is finished, keeping constant for 30 minutes, starting a cooling program, taking out the pressed blank as a whole when the temperature of a heating platform is lower than 110 ℃, and removing isolation materials to obtain a composite material blank with a consolidated material on the surface, namely, a blank of the continuous carbon fiber reinforced resin matrix composite material product;
s6, placing the composite material blank with the consolidated material on the surface on water cutting equipment for processing and repairing, and removing all the consolidated material after processing is finished to obtain the unidirectional continuous carbon fiber reinforced PEEK resin matrix composite material product.
Example 2
In the embodiment 2, the resin matrix composite is PAEK, specifically, a 350mm*400mm*4.0mm 0 ° composite plate is manufactured, and the method comprises the following steps:
s1, providing equipment with program control and pressure control capabilities;
s2, cutting the prepreg and auxiliary materials of the continuous fiber reinforced thermoplastic resin matrix composite material according to a preset size; specifically, preparing a continuous carbon fiber reinforced PAEK prepreg 32 layers with the length of 360mm and the width of 360mm, preparing a separation material with the length of 390mm and the width of 390mm, and preparing a consolidation material with the length of 370mm and the width of 370 mm;
s3, material laying: firstly paving a layer of isolation material, paving a layer of consolidation material, sequentially paving 32 layers of continuous carbon fiber reinforced PAEK prepreg in the 0-degree direction, paving a layer of consolidation material, paving a layer of isolation material, obtaining continuous carbon fiber reinforced PAEK composite material product blanks after paving, and placing the obtained blanks on a heating platform of equipment;
s4, setting a program temperature, heating according to a heating section of 120-250-370 ℃, setting the pressure to 0.4MPa, and starting a heating program to perform heating operation;
s5, pressurizing and exhausting after the equipment heating platform is heated to 370 ℃ and is constant for 30 minutes, pressurizing for 1.0MPa each time, and pressurizing for one time every 5 minutes until the maximum pressure is 9.0MPa; after pressurization is finished, keeping constant for 40 minutes, starting a cooling program, taking out the pressed blank as a whole when the temperature of a heating platform is lower than 108 ℃, and removing isolation materials to obtain a composite material blank with a consolidated material on the surface, namely, a blank of the continuous carbon fiber reinforced resin matrix composite material product;
s6, placing the composite material blank with the consolidated material on the surface on a machining center for machining and repairing, and removing all the consolidated material after machining is finished to obtain the unidirectional continuous carbon fiber reinforced PAEK resin-based composite material product.
Example 3
In the embodiment 3, the resin-based composite material is PPS, specifically, a 1000mm*600mm*1.5mm 0-degree composite material plate is manufactured, and the method comprises the following steps:
s1, providing equipment with program control and pressure control capabilities;
s2, cutting the prepreg and auxiliary materials of the continuous fiber reinforced thermoplastic resin matrix composite material according to a preset size; specifically, a continuous carbon fiber reinforced PPS prepreg 11 layer with a length of 1010mm and a width of 610mm is prepared, then a spacer material with a length of 1050mm and a width of 650mm is prepared, and a consolidation material with a length of 1030mm and a width of 630mm is prepared;
s3, material laying: firstly paving a layer of isolation material, paving a layer of consolidation material, sequentially paving 11 layers of continuous carbon fiber reinforced PPS prepreg in the 0-degree direction, paving a layer of consolidation material, paving a layer of isolation material, obtaining a continuous carbon fiber reinforced PPS composite material product blank after paving, and placing the obtained blank on a heating platform of equipment;
s4, setting a program temperature, heating according to a heating section of 120-250-330 ℃, setting the pressure to 0.2MPa, and starting a heating program to perform heating operation;
s5, pressurizing and exhausting after the equipment heating platform is heated to 330 ℃ and is kept constant for 15 minutes, pressurizing for 0.5MPa each time, and pressurizing for one time every 3 minutes until the maximum pressure is 4.0MPa; after pressurization is completed, keeping constant for 20 minutes, starting a cooling program, taking out the pressed blank as a whole when the temperature of a heating platform is lower than 105 ℃, and removing isolation materials to obtain a composite material blank with a consolidated material on the surface, namely, a blank of the continuous carbon fiber reinforced resin matrix composite material product;
s6, placing the composite material blank with the consolidated material on the surface on a machining center for machining and repairing, and removing all the consolidated material after machining is finished to obtain the unidirectional continuous carbon fiber reinforced PPS resin matrix composite product.
Example 4
Example 4 differs from example 1 in that: the prepreg fiber in example 4 was glass fiber, and the other conditions in example 4 were the same as in example 1.
Example 5
Example 5 differs from example 1 in that: the prepreg placement angle in example 5 was adjusted from 0 ° to 0 °/90 ° for symmetrical placement, and the other conditions in example 5 were the same as in example 1.
The composite articles obtained in examples 1-5 above were tested for properties and the results are shown in Table 1 below:
table 1 shows the performance test data for the composite articles prepared in examples 1-5 above
From the test results in table 1, it can be seen that the molding method and the process parameters provided by the invention can ensure that the prepared unidirectional continuous fiber reinforced thermoplastic resin matrix composite product has excellent mechanical properties. It can be seen from example 4 that the process of the present invention can be used with glass fibers and other fibers in addition to conventional continuous carbon fiber prepregs. It can be seen from example 5 that the unidirectional fiber prepreg can be used at a predetermined lay-up angle. The test results show that: different combinations of materials, different fiber presence directions and different test results.
The invention provides a molding method of a unidirectional continuous fiber reinforced thermoplastic resin matrix composite product, which comprises the following steps: the limitation that the mould with corresponding size and corresponding mould pressing equipment are needed in the conventional composite material manufacturing is eliminated. The molding method solves the problems that the resin matrix with high fluidity has large brittleness and poor toughness because of insufficient melt strength of the resin matrix, and the unidirectional continuous fiber reinforced thermoplastic resin matrix composite prepreg is used for manufacturing composite products, so that stress, middle cracking and the like are easy to exist along the fiber direction.
The above-described preferred embodiments of the present invention are only for illustrating the present invention, and are not to be construed as limiting the present invention. Obvious changes and modifications of the invention, which are introduced by the technical solution of the present invention, are still within the scope of the present invention.
Claims (10)
1. The molding method of the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product is characterized by comprising the following steps of:
s1, providing equipment with program control and pressure control capabilities;
s2, cutting the prepreg and auxiliary materials of the continuous fiber reinforced thermoplastic resin matrix composite material according to a preset size;
s3, laying the auxiliary material and the prepreg of the continuous fiber reinforced thermoplastic resin matrix composite material according to a preset sequence, and placing the laid auxiliary material and the prepreg on a heating platform of the equipment;
s4, setting a program temperature and a program pressure, and heating;
s5, after the heating platform of the equipment is raised to a set temperature and stably operates for a certain time, pressurizing and exhausting are carried out, after pressurization is completed, the stable operation is carried out for a period of time, cooling is carried out, and when the temperature is lowered to below 110 ℃, part of auxiliary materials are removed, so that a blank of the continuous fiber reinforced resin matrix composite product is obtained;
s6, processing and repairing the obtained blank, and removing all auxiliary materials to obtain the unidirectional continuous fiber reinforced thermoplastic resin matrix composite product.
2. The method for molding a unidirectional continuous fiber reinforced thermoplastic resin matrix composite article as claimed in claim 1, wherein said equipment having a programmed temperature and pressure control capability in step S1 is selected from one of a vulcanizer, a molding press, a steel belt press, a teflon belt press.
3. The method for molding a unidirectional continuous fiber-reinforced thermoplastic resin-based composite material article according to claim 1, wherein the continuous fibers in step S2 are selected from one or a combination of two of continuous carbon fibers, continuous glass fibers, continuous aramid fibers, continuous quartz fibers, continuous polyimide, and continuous PPO fibers.
4. The method for molding a unidirectional continuous fiber reinforced thermoplastic resin matrix composite article according to claim 1, wherein the resin matrix composite material in step S2 is one or more selected from PEEK, PEKK, PAEK, PPS, PEI, PPSU;
the prepreg of the continuous fiber reinforced thermoplastic resin matrix composite material is a thermoplastic resin matrix prepreg fiber composite material semi-finished product obtained by combining the resin matrix composite material and the continuous fibers.
5. The method of forming a unidirectional continuous fiber reinforced thermoplastic resin matrix composite article of claim 1, wherein said auxiliary material of step S2 comprises: the method comprises the following steps of (1) key consumable materials used for molding a composite material product, isolation materials between the composite material and a heating platform of equipment and consolidation materials; the isolating material is used for preventing the composite material from being solidified on the equipment heating platform after being cooled down; the consolidation material is used for preventing the prepreg from overstretching and has the positioning function.
6. The method of forming a unidirectional continuous fiber reinforced thermoplastic resin matrix composite article according to claim 5, wherein said barrier material is a multi-layer composite; the multi-layer composite material consists of a temperature resistant layer, a weather resistant layer, a sealing layer and an anti-sticking layer.
7. The method for molding a unidirectional continuous fiber reinforced thermoplastic resin matrix composite product according to claim 5, wherein the consolidation material is a fiber reinforced resin matrix composite, the surface of the consolidation material has a concave-convex or puncture texture structure, and the consolidation material has the characteristics of high temperature resistance, radiation resistance and good dimensional stability.
8. The molding method of unidirectional continuous fiber reinforced thermoplastic resin matrix composite article as claimed in claim 1, wherein the laying sequence in step S3 refers to the angle of the fibers, and the laying sequence thereof is as follows: 0 DEG, 0 DEG/90 DEG, 0 DEG/45 DEG/90 DEG, and any other angle, and carrying out symmetrical laying.
9. The molding method of unidirectional continuous fiber reinforced thermoplastic resin matrix composite product according to claim 1, wherein step S5 is to heat the platform to a set temperature, wherein the set temperature is 20-30 ℃ higher than the melting temperature of the raw materials, then stabilize for 5-60 minutes, then perform repeated pressurization and exhaust, each time pressurization is 1-5MPa, then stabilize for 5-60 minutes after pressurization is completed, then perform program cooling, and remove part of auxiliary materials when the temperature is reduced to below 110 ℃ to obtain a blank of the continuous fiber reinforced resin matrix composite product.
10. The method for molding a unidirectional continuous fiber reinforced thermoplastic resin matrix composite article as claimed in claim 1, wherein said machining repair in step S6 is performed by a multi-axis machine tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211627469.9A CN116001309B (en) | 2022-12-16 | 2022-12-16 | Forming method of unidirectional continuous fiber reinforced thermoplastic resin matrix composite product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211627469.9A CN116001309B (en) | 2022-12-16 | 2022-12-16 | Forming method of unidirectional continuous fiber reinforced thermoplastic resin matrix composite product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116001309A true CN116001309A (en) | 2023-04-25 |
| CN116001309B CN116001309B (en) | 2023-09-08 |
Family
ID=86020202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211627469.9A Active CN116001309B (en) | 2022-12-16 | 2022-12-16 | Forming method of unidirectional continuous fiber reinforced thermoplastic resin matrix composite product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116001309B (en) |
Citations (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH071624A (en) * | 1993-06-16 | 1995-01-06 | Banpoo Kogyo Kk | Fiber-reinforced plastic plate and manufacture thereof |
| US6017484A (en) * | 1997-01-21 | 2000-01-25 | Harold P. Hale | Method for manufacture of minimum porosity, wrinkle free composite parts |
| JP2008307842A (en) * | 2007-06-18 | 2008-12-25 | Taisei Plas Co Ltd | Tubular composite article and its manufacturing method |
| CN101886735A (en) * | 2009-05-14 | 2010-11-17 | 管印贵 | Fiber reinforced thermoplastics composite material section bar and molding technology |
| DE102009010621B3 (en) * | 2009-02-12 | 2010-12-02 | Mt Aerospace Ag | Method for stabilization of honeycomb core for sandwich composite structures made of fiber-reinforced composites, involves pre-fixing honeycomb core at open-cell side on manufacturing equipment with textured surface |
| US20120034096A1 (en) * | 2009-04-23 | 2012-02-09 | Vestas Wind Systems A/S | Incorporation of functional cloth into prepreg composites |
| US20120257984A1 (en) * | 2009-12-22 | 2012-10-11 | Lm Glasfiber A/S | Method of producing a composite shell structure |
| CN103507280A (en) * | 2012-06-21 | 2014-01-15 | 中国石油天然气股份有限公司 | Resin prepreg fiber sheet composite material production method |
| CN103540014A (en) * | 2012-07-17 | 2014-01-29 | 辽宁辽杰科技有限公司 | Continuous fiber enhanced resin prepreg as well as preparation method and application thereof |
| CN103572960A (en) * | 2012-07-21 | 2014-02-12 | 苏州宏久航空防热材料科技有限公司 | Orthogonal laminated fiber enhanced composite template for buildings and preparation method thereof |
| CN103624993A (en) * | 2012-08-29 | 2014-03-12 | 辽宁辽杰科技有限公司 | Building template and preparation method therefor |
| CN104416912A (en) * | 2013-08-26 | 2015-03-18 | 辽宁辽杰科技有限公司 | Continuous fiber-reinforced thermoplastic resin product and preparation method thereof |
| US20150111454A1 (en) * | 2012-03-08 | 2015-04-23 | Hexcel Composites Limited | Composite material for automated lay-up |
| DE102014100882A1 (en) * | 2014-01-27 | 2015-07-30 | Kuka Systems Gmbh | Production technology for components made of fiber-reinforced plastics |
| DE102015201264A1 (en) * | 2015-01-26 | 2016-07-28 | Bayerische Motoren Werke Aktiengesellschaft | Deforming device for deforming a pre-impregnated fiber composite semifinished product and method for deforming a pre-impregnated fiber composite semifinished product |
| WO2016151394A2 (en) * | 2015-03-26 | 2016-09-29 | Convergence Composite Sa | Method for manufacturing an anisotropic micromechanical component |
| JP2017082210A (en) * | 2015-10-27 | 2017-05-18 | 東レ株式会社 | Cross ply laminate and manufacturing method of fiber-reinforced plastic |
| DE102016213635A1 (en) * | 2016-07-26 | 2018-02-01 | Bayerische Motorenwerke Aktiengesellschaft | Mold core for producing a semifinished fiber product |
| CN108367509A (en) * | 2015-12-14 | 2018-08-03 | 麦格纳外饰公司 | Impregnate veil |
| CN108673910A (en) * | 2018-06-21 | 2018-10-19 | 上海大学 | A kind of device and method preparing honeycomb polymer matrix composites battery tray |
| CN109952182A (en) * | 2016-10-26 | 2019-06-28 | 东丽株式会社 | The manufacturing method of prepreg laminated body, fibre reinforced composites and fibre reinforced composites |
| US20190283341A1 (en) * | 2016-05-24 | 2019-09-19 | The Boeing Company | Method for pre-preg manufacturing |
| US20200070435A1 (en) * | 2017-03-13 | 2020-03-05 | Gurit (Uk) Ltd. | Moulding Method |
| RU2736367C1 (en) * | 2019-10-11 | 2020-11-16 | Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Московский Государственный Технический Университет Имени Н.Э.Баумана (Национальный Исследовательский Университет)" (Мгту Им. Н.Э. Баумана) | Method for manufacturing a multilayer fibrous work piece of flat shape |
| CN112060624A (en) * | 2020-08-17 | 2020-12-11 | 苏州奥芬斯丹新材料科技有限公司 | Compression molding process method for manufacturing composite material product |
| CN112313055A (en) * | 2018-06-20 | 2021-02-02 | 三菱化学株式会社 | Prepreg sheet and method for producing same, fiber-reinforced composite material molded article and method for producing same, and method for producing preform |
| CN112757663A (en) * | 2020-12-31 | 2021-05-07 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Automatic filament-laying forming method for continuous fiber reinforced thermoplastic composite material |
| CN114670466A (en) * | 2022-04-19 | 2022-06-28 | 中复神鹰(上海)科技有限公司 | Laminate with high post-impact compressive strength and method of making same |
| CN114734659A (en) * | 2022-04-29 | 2022-07-12 | 江苏君华特种工程塑料制品有限公司 | Forming method of continuous fiber reinforced thermoplastic PAKE hollow composite material product |
| CN115139551A (en) * | 2022-06-28 | 2022-10-04 | 湖南大学 | Composite material preparation method based on vacuum infusion process |
-
2022
- 2022-12-16 CN CN202211627469.9A patent/CN116001309B/en active Active
Patent Citations (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH071624A (en) * | 1993-06-16 | 1995-01-06 | Banpoo Kogyo Kk | Fiber-reinforced plastic plate and manufacture thereof |
| US6017484A (en) * | 1997-01-21 | 2000-01-25 | Harold P. Hale | Method for manufacture of minimum porosity, wrinkle free composite parts |
| JP2008307842A (en) * | 2007-06-18 | 2008-12-25 | Taisei Plas Co Ltd | Tubular composite article and its manufacturing method |
| DE102009010621B3 (en) * | 2009-02-12 | 2010-12-02 | Mt Aerospace Ag | Method for stabilization of honeycomb core for sandwich composite structures made of fiber-reinforced composites, involves pre-fixing honeycomb core at open-cell side on manufacturing equipment with textured surface |
| US20120034096A1 (en) * | 2009-04-23 | 2012-02-09 | Vestas Wind Systems A/S | Incorporation of functional cloth into prepreg composites |
| CN101886735A (en) * | 2009-05-14 | 2010-11-17 | 管印贵 | Fiber reinforced thermoplastics composite material section bar and molding technology |
| US20120257984A1 (en) * | 2009-12-22 | 2012-10-11 | Lm Glasfiber A/S | Method of producing a composite shell structure |
| US20150111454A1 (en) * | 2012-03-08 | 2015-04-23 | Hexcel Composites Limited | Composite material for automated lay-up |
| CN103507280A (en) * | 2012-06-21 | 2014-01-15 | 中国石油天然气股份有限公司 | Resin prepreg fiber sheet composite material production method |
| CN103540014A (en) * | 2012-07-17 | 2014-01-29 | 辽宁辽杰科技有限公司 | Continuous fiber enhanced resin prepreg as well as preparation method and application thereof |
| CN103572960A (en) * | 2012-07-21 | 2014-02-12 | 苏州宏久航空防热材料科技有限公司 | Orthogonal laminated fiber enhanced composite template for buildings and preparation method thereof |
| CN103624993A (en) * | 2012-08-29 | 2014-03-12 | 辽宁辽杰科技有限公司 | Building template and preparation method therefor |
| CN104416912A (en) * | 2013-08-26 | 2015-03-18 | 辽宁辽杰科技有限公司 | Continuous fiber-reinforced thermoplastic resin product and preparation method thereof |
| DE102014100882A1 (en) * | 2014-01-27 | 2015-07-30 | Kuka Systems Gmbh | Production technology for components made of fiber-reinforced plastics |
| DE102015201264A1 (en) * | 2015-01-26 | 2016-07-28 | Bayerische Motoren Werke Aktiengesellschaft | Deforming device for deforming a pre-impregnated fiber composite semifinished product and method for deforming a pre-impregnated fiber composite semifinished product |
| WO2016151394A2 (en) * | 2015-03-26 | 2016-09-29 | Convergence Composite Sa | Method for manufacturing an anisotropic micromechanical component |
| JP2017082210A (en) * | 2015-10-27 | 2017-05-18 | 東レ株式会社 | Cross ply laminate and manufacturing method of fiber-reinforced plastic |
| CN108367509A (en) * | 2015-12-14 | 2018-08-03 | 麦格纳外饰公司 | Impregnate veil |
| US20190283341A1 (en) * | 2016-05-24 | 2019-09-19 | The Boeing Company | Method for pre-preg manufacturing |
| DE102016213635A1 (en) * | 2016-07-26 | 2018-02-01 | Bayerische Motorenwerke Aktiengesellschaft | Mold core for producing a semifinished fiber product |
| CN109952182A (en) * | 2016-10-26 | 2019-06-28 | 东丽株式会社 | The manufacturing method of prepreg laminated body, fibre reinforced composites and fibre reinforced composites |
| US20200070435A1 (en) * | 2017-03-13 | 2020-03-05 | Gurit (Uk) Ltd. | Moulding Method |
| CN112313055A (en) * | 2018-06-20 | 2021-02-02 | 三菱化学株式会社 | Prepreg sheet and method for producing same, fiber-reinforced composite material molded article and method for producing same, and method for producing preform |
| CN108673910A (en) * | 2018-06-21 | 2018-10-19 | 上海大学 | A kind of device and method preparing honeycomb polymer matrix composites battery tray |
| RU2736367C1 (en) * | 2019-10-11 | 2020-11-16 | Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Московский Государственный Технический Университет Имени Н.Э.Баумана (Национальный Исследовательский Университет)" (Мгту Им. Н.Э. Баумана) | Method for manufacturing a multilayer fibrous work piece of flat shape |
| CN112060624A (en) * | 2020-08-17 | 2020-12-11 | 苏州奥芬斯丹新材料科技有限公司 | Compression molding process method for manufacturing composite material product |
| CN112757663A (en) * | 2020-12-31 | 2021-05-07 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Automatic filament-laying forming method for continuous fiber reinforced thermoplastic composite material |
| CN114670466A (en) * | 2022-04-19 | 2022-06-28 | 中复神鹰(上海)科技有限公司 | Laminate with high post-impact compressive strength and method of making same |
| CN114734659A (en) * | 2022-04-29 | 2022-07-12 | 江苏君华特种工程塑料制品有限公司 | Forming method of continuous fiber reinforced thermoplastic PAKE hollow composite material product |
| CN115139551A (en) * | 2022-06-28 | 2022-10-04 | 湖南大学 | Composite material preparation method based on vacuum infusion process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116001309B (en) | 2023-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102529016B (en) | A kind of single polymer composite product injection molding forming method and equipment | |
| CN102785372B (en) | Method for manufacturing fiber reinforced plastic plate type spring | |
| CN101638321B (en) | Method for preparing carbon/carbon composite profiles | |
| JP2009542483A (en) | Manufacturing method of composite parts | |
| CN105082567A (en) | Curing method for large-thickness fiber-reinforced epoxy resin matrix composite material | |
| CN112265347A (en) | Structural bearing-ablation heat-proof integrated composite material and preparation method thereof | |
| CN105269835A (en) | Stamping and injection integrated molding method for thermoplastic resin matrix woven composite material | |
| Land et al. | Technology review of thermal forming techniques for use in composite component manufacture | |
| CN116001309B (en) | Forming method of unidirectional continuous fiber reinforced thermoplastic resin matrix composite product | |
| CN110103488B (en) | Continuous die pressing manufacturing process of fan blade thermoplastic composite material beam cap | |
| CN114734659A (en) | Forming method of continuous fiber reinforced thermoplastic PAKE hollow composite material product | |
| CN108215241B (en) | Rapid molding method of resin-based composite material | |
| CN108864995B (en) | Multi-axial composite material bent pipe and preparation method thereof | |
| CN116176003A (en) | Fast forming and mass production manufacturing process for CFRP three-dimensional component | |
| CN108215242B (en) | Forming method of resin-based composite material | |
| CN112721240B (en) | Toughened resin transfer molding fiber seam-laying composite material and preparation method thereof | |
| WO2014202953A1 (en) | Methods for composite material processing | |
| DE202011104237U1 (en) | Tool with ejector for component production with low-viscosity resins | |
| DE102014119160A1 (en) | molding compound | |
| CN111688238A (en) | Method for forming thermosetting polymer fiber composite material part | |
| CN105313345A (en) | Fabrication technology for thermoplastic composite product for airplane main/auxiliary force-bearing components | |
| CN114311731A (en) | Segmented curing molding method for high-temperature-resistant bismaleimide resin-based composite material | |
| CN115322422B (en) | Flexible thermoplastic prepreg, preparation method and application thereof | |
| CN117141003B (en) | Thermoplastic composite material forming method | |
| CN114932693B (en) | Preparation method of carbon fiber composite laminated board with high open-pore tensile strength |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213100 no.7-16, Yangtze River Delta mold City, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee after: Jiangsu Junhua Special Polymer Materials Co.,Ltd. Address before: 213100 no.7-16, Yangtze River Delta mold City, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee before: JIANGSU JUNHUA HIGH PERFORMANCE SPECIALTY ENGINEERING PLASTICS (PEEK) PRODUCTS CO.,LTD. |