CN110483948A - A kind of 3D printing carbon fiber/polyetheretherketonecomposite composite wire - Google Patents
A kind of 3D printing carbon fiber/polyetheretherketonecomposite composite wire Download PDFInfo
- Publication number
- CN110483948A CN110483948A CN201910742477.XA CN201910742477A CN110483948A CN 110483948 A CN110483948 A CN 110483948A CN 201910742477 A CN201910742477 A CN 201910742477A CN 110483948 A CN110483948 A CN 110483948A
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- composite wire
- printing
- weight
- parts
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
Abstract
The present invention provides a kind of carbon fiber/polyetheretherketonecomposite composite wire, contains following component, 100 parts by weight of polyether-ether-ketone；10~30 parts by weight of carbon fiber powder fiber；20~40 parts by weight of polyphenylene oxide；5~10 parts by weight of polytetrafluoroethyl-ne vinyl polymer.Carbon fiber/polyetheretherketonecomposite composite wire of the invention effectively improves the crystallinity of polyether-ether-ketone, under the premise of ensure that mechanical strength, the heat resistance of 3D printing molded product, effectively inhibits warpage, the cracking phenomena of molded product by formula technique.
Description
Technical field
The present invention relates to Material Fields, and in particular to a kind of 3D printing wire rod and its molded product.
Background technique
Polyether-ether-ketone, abbreviation PEEK are a kind of all aromatic hypocrystallines that Britain's ICI Company was developed first in 1978
Thermoplastic engineering plastic, phenyl ring, submissive ehter bond and carbonyl containing rigidity on macromolecular chain, compound with regular structure have excellent
Mechanical property, resistant to chemical etching, antifatigue and significant thermal stability, and there is anti-flammability, good biocompatibility, mesh
Before be applied in the various fields such as biomedicine, new energy, vehicle transport, aerospace.
In some applications it is desirable to preparation structure complexity or same other materials (such as metal, inorganic material) are used in combination
Molded product.For this kind of molded product, the manufacture difficulty of the preparation methods such as general injection molding, compression molding is larger.Use 3D printing
(increasing material manufacturing) technology can solve this problem.But the crystallinity of polyether-ether-ketone is big, crystallization rate is fast, uses 3D printing skill
Easily there is the phenomenon that warpage, cracking in the polyether-ether-ketone molded product of art preparation.
Summary of the invention
In order to solve the problems, such as that warpage, cracking phenomena easily occurs in the polyether-ether-ketone molded product prepared using 3D printing technique,
The present invention provides a kind of carbon fiber/polyetheretherketonecomposite composite wire, containing following component,
100 parts by weight of polyether-ether-ketone；
10~30 parts by weight of carbon fiber powder fiber；
20~40 parts by weight of polyphenylene oxide；
5~10 parts by weight of polytetrafluoroethyl-ne vinyl polymer.
Polyether-ether-ketone is the high polymer that the repetitive unit containing a ketonic bond and two ehter bonds in backbone structure is constituted,
Fusing point with about 143 DEG C of glass transition temperatures, about 343 DEG C, long-term use temperature is up to 260 DEG C.Be carbon fiber of the invention/
The matrix resin of polyether-ether-ketone composite wire.
Preferably, viscosity of the polyether-ether-ketone at 400 DEG C, 1000/s is less than 150Pas.In the present invention, it glues
Interface bond strength when low polyether-ether-ketone is conducive to enhance 3D printing is spent, so that polyether-ether-ketone molded product is not easy to crack.
It is further preferred that viscosity of the polyether-ether-ketone at 400 DEG C, 1000/s is greater than 100Pas.Polyethers ether
When ketone viscosity is too low, the mechanics of materials intensity of preparation is insufficient.
Carbon fiber powder fiber as carbon fiber filament it is ground made of micron order fibre reinforced materials, be carbon of the invention
Fiber/polyether-ether-ketone composite wire reinforcing material, structure and performance are determined by carbon fiber filament, by its source point, can be divided
For polyacrylonitrile-based carbon fibre powder fiber, asphalt base carbon fiber powder fiber, viscose-based carbon fiber powder fiber, phenolic aldehyde base carbon
Fiber dust fiber and its modified product.Compared with the other materials such as carbon fiber filament, with shape is tiny, surface is pure, ratio
Surface area is big, be easy to by resin wetted, be uniformly dispersed, feeding manner multiplicity, simple process the features such as, can improve 3D printing molding
Intensity, the heat resistance of product, and be conducive to enhance interface bond strength when 3D printing, so that molded product is not easy to crack.Preferably,
Based on 100 parts by weight of polyether-ether-ketone, carbon fiber powder fiber 15~25 is contained in the carbon fiber/polyetheretherketonecomposite composite wire
Parts by weight.Carbon fiber powder fiber content is excessively high, and dispersibility is bad, and properties variation is little, but increased costs.
Preferably, the fibre length of the carbon fiber powder fiber is 100~200 μm.The fibre of carbon fiber powder fiber
Length is tieed up less than 100 μm, or is greater than 200 μm, is all unfavorable for inhibiting the cracking of molded product.The fibre of the carbon fiber powder fiber
Dimension length refers to the number average of the fibre length of each fiber.
In the present invention, polyphenylene oxide, i.e., poly- 2,6- dimethyl-Isosorbide-5-Nitrae-phenylate can inhibit the crystallization of polyether-ether-ketone, for molding
The warpage of product, cracking phenomena are significantly improved effect.Preferably, based on 100 parts by weight of polyether-ether-ketone, the carbon fiber/
Contain 25~35 parts by weight of polyphenylene oxide in polyether-ether-ketone composite wire.Too low polyphenyl ether content is unfavorable for improving sticking up for molded product
The phenomenon that song, cracking, and excessively high polyphenyl ether content may reduce the mechanical strength of molded product.
Preferably, the intrinsic viscosity of the polyphenylene oxide is greater than 0.45.Polyphenylene oxide of the intrinsic viscosity lower than 0.45 will cause
The mechanical strength and heat resistance of molded product reduce significantly.
Polytetrafluoroethyl-ne vinyl polymer is the polymer containing tetrafluoroethene copolymerization units, including polytetrafluoroethylene (PTFE)
(PTFE), ethylene-tetrafluoroethylene copolymer (ETFE), tetrafluoraoethylene-hexafluoropropylene copolymer (FEP), tetrafluoroethylene-perfluoro alkane
Ethoxy ethylene base ether copolymer (PFA) etc..
In the present invention, polytetrafluoroethyl-ne vinyl polymer has synergistic effect with carbon fiber powder fiber, can significantly improve
The interface bond strength of 3D printing molded product, so that molded product is not easy to crack.Based on 100 parts by weight of polyether-ether-ketone, polytetrafluoroethyl-ne
Vinyl polymer is not lower than 5 parts by weight, is higher than 10 parts by weight.Too low content is unfavorable for improving the interface of 3D printing molded product
Bond strength, excessively high content will cause the reduction of mechanical strength, heat resistance.
Preferably, the polytetrafluoroethyl-ne vinyl polymer is complete containing tetrafluoraoethylene-hexafluoropropylene copolymer, tetrafluoroethene-
One or both of Fluoroalkyloxy vinyl ether co-polymer.Tetrafluoraoethylene-hexafluoropropylene copolymer and tetrafluoroethylene-perfluoro alkane
Ethoxy ethylene base ether copolymer is thermoplastic polytetrafluoroethyl-ne vinyl polymer, and has preferably heat resistance.Relative to poly- four
Vinyl fluoride is more obvious to the modified effect of carbon fiber/polyetheretherketonecomposite composite wire.Relative to ethylene-tetrafluoroethylene copolymer,
It is not easy to reduce the heat resistance of molded product and mechanical property.
Further preferably it is copolymerized containing tetrafluoraoethylene-hexafluoropropylene copolymer and tetrafluoroethylene-perfluoro alkoxy vinyl ethers
Two kinds in object, and the weight of tetrafluoraoethylene-hexafluoropropylene copolymer and tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer
Amount is than being 1:2~1:5.
It is preferred that melt index of the tetrafluoraoethylene-hexafluoropropylene copolymer at 372 DEG C, 5000g is greater than 15g/
10min.It is preferred that melt index of the tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer at 372 DEG C, 5000g is small
In 20g/10min.
The melt viscosity pair of tetrafluoraoethylene-hexafluoropropylene copolymer, tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer
The properties of carbon fiber/polyetheretherketonecomposite composite wire and molded product have an impact.Under above-mentioned optimum condition, comprehensive performance compared with
It is good.
The present invention also provides application of the above-mentioned carbon fiber/polyetheretherketonecomposite composite wire in 3D printing.
The present invention also provides the molded products of above-mentioned carbon fiber/polyetheretherketonecomposite composite wire preparation.
Effect and purposes of the invention:
Carbon fiber/polyetheretherketonecomposite composite wire of the invention effectively improves the knot of polyether-ether-ketone by formula technique
Crystalline substance, under the premise of ensure that mechanical strength, the heat resistance of 3D printing molded product, effectively inhibit molded product warpage,
Cracking phenomena.
Specific embodiment
Raw material used in embodiment and comparative example is as follows:
[polyether-ether-ketone]
A1: Wei Gesi company, Britain produces PEEK90G, 400 DEG C, the viscosity under 1000/s be 90Pas.
A2: Wei Gesi company, Britain produces PEEK150G, 400 DEG C, the viscosity under 1000/s be 130Pas.
A3: Wei Gesi company, Britain produces PEEK381G, 400 DEG C, the viscosity under 1000/s be 300Pas.
[carbon fiber powder fiber]
B1:MLD-30, toray Co., Ltd. produce, and fibre length is 30 μm.
B2:MLD-300, toray Co., Ltd. produce, and fibre length is 130 μm.
[polyphenylene oxide]
C1: polyphenylene oxide, Asahi Kasei Corporation produce Xyron S202A, intrinsic viscosity 0.41.
C2: polyphenylene oxide, Asahi Kasei Corporation produce Xyron S201A, intrinsic viscosity 0.52.
[polytetrafluoroethyl-ne vinyl polymer]
D1: polytetrafluoroethylene (PTFE), Daikin Ind Ltd produce Neoflon M-12.
D2: tetrafluoraoethylene-hexafluoropropylene copolymer, Daikin Ind Ltd produce NeoflonNP-101, melt index
24g/10min。
D3: tetrafluoraoethylene-hexafluoropropylene copolymer, Daikin Ind Ltd produce NeoflonNP-20, melt index 6g/
10min。
D4: tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer, Daikin Ind Ltd produce NeoflonAP-201,
Melt index 25g/10min.
D5: tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer, Daikin Ind Ltd produce NeoflonAP-210,
Melt index 13g/10min.
Using test method below to the raw material in embodiment and comparative example, the intermediate product in preparation process and at
Product carry out various performance tests:
Intrinsic viscosity: being made into the chloroform soln that concentration is 0.5g/dl for sample, is surveyed with dark type viscometer in 30 DEG C
It is fixed.
Melt index: the melt index of polytetrafluoroethyl-ne vinyl polymer is measured according to ASTM D 2116.Temperature: 372 DEG C；
Loading: 5000g.
Tensile strength: preparing long 10cm in 400 DEG C with a 3D printer for sample prepared by each embodiment and comparative example,
It is wide all to carry out stretching survey along its length referring to GB/T1447-2005 with a thickness of the cuboid molded product of 0.5cm for 2cm
Examination, loading velocity 2mm/min.
Heat resistance: preparing long 10cm in 400 DEG C with a 3D printer for sample prepared by each embodiment and comparative example, wide
All it is 2cm, with a thickness of the cuboid molded product of 0.5cm, is heated 10 days at 300 DEG C.The tensile strength of measurement heating front and back, is pressed
Following formula tensile strength calculated conservation rate:
Tensile strength × 100% before tensile strength/heating after stretching strength retentivity=heating
Heat resistance is evaluated by following standard:
Heat-resist (zero): stretching strength retentivity > 85%；
In heat resistance (△): tensile strength holding, Qie≤85% of Shuai≤65；
Poor heat resistance (×): stretching strength retentivity < 65%；
Angularity: sample prepared by each embodiment and comparative example is long and wide all in 400 DEG C of preparations with a 3D printer
Its some square surface is placed in the horizontal plane, sheet material measurement highest for 10cm with a thickness of the plate molded product of 1cm
Locate the distance to horizontal plane.Angularity=plate highest point to horizontal plane distance -1cm.
Cracking behavior: sample prepared by each embodiment and comparative example with a 3D printer in 400 DEG C of preparation length, width and height all
It is square molded product 10 of 10cm, statistics has the number of cracking phenomena.
Embodiment 1~18, comparative example 1~4:
Carbon fiber/polyetheretherketonecomposite composite wire is prepared using a double screw extruder according to the composition of raw materials in table 1
(diameter 3mm).Various performance evaluations are carried out, table 2 is as a result listed in.
Table 1
Table 2
It is can be seen that from Tables 1 and 2 relative to comparative example, standby carbon fiber/polyethers ether of the embodiment of the present invention preparation
Ketone composite wire effectively inhibits molded product under the premise of ensure that the mechanical strength of 3D printing molded product, heat resistance
Warpage, cracking phenomena.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, adds according to technical solution and inventive concept
With equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of 3D printing carbon fiber/polyetheretherketonecomposite composite wire, which is characterized in that contain following component:
100 parts by weight of polyether-ether-ketone；
10~30 parts by weight of carbon fiber powder fiber；
20~40 parts by weight of polyphenylene oxide；
5~10 parts by weight of polytetrafluoroethyl-ne vinyl polymer.
2. a kind of 3D printing carbon fiber/polyetheretherketonecomposite composite wire according to claim 1, which is characterized in that described
Viscosity of the polyether-ether-ketone at 400 DEG C, 1000/s is greater than 100Pas, is less than 150Pas.
3. a kind of 3D printing carbon fiber/polyetheretherketonecomposite composite wire according to claim 1, which is characterized in that described
The fibre length of carbon fiber powder fiber is 100~200 μm.
4. a kind of 3D printing carbon fiber/polyetheretherketonecomposite composite wire according to claim 1, which is characterized in that described
The intrinsic viscosity of polyphenylene oxide is greater than 0.45.
5. a kind of 3D printing carbon fiber/polyetheretherketonecomposite composite wire according to claim 1, which is characterized in that described
Polytetrafluoroethyl-ne vinyl polymer contains tetrafluoraoethylene-hexafluoropropylene copolymer, tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer
One or both of.
6. a kind of 3D printing carbon fiber/polyetheretherketonecomposite composite wire according to claim 1, which is characterized in that described
Polytetrafluoroethyl-ne vinyl polymer is copolymerized containing tetrafluoraoethylene-hexafluoropropylene copolymer and tetrafluoroethylene-perfluoro alkoxy vinyl ethers
Two kinds in object, and the tetrafluoraoethylene-hexafluoropropylene copolymer and the tetrafluoroethylene-perfluoro alkoxy vinyl ethers
The weight ratio of copolymer is 1:2~1:5.
7. a kind of 3D printing carbon fiber/polyetheretherketonecomposite composite wire according to claim 5 or 6, which is characterized in that institute
Melt index of the tetrafluoraoethylene-hexafluoropropylene copolymer at 372 DEG C, 5000g is stated greater than 15g/10min.
8. a kind of 3D printing carbon fiber/polyetheretherketonecomposite composite wire according to claim 5 or 6, which is characterized in that institute
Melt index of the tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer at 372 DEG C, 5000g is stated less than 20g/10min.
9. a kind of 3D printing according to any one of claims 1 to 8 is with carbon fiber/polyetheretherketonecomposite composite wire in 3D printing
Using.
10. by a kind of 3D printing carbon fiber/polyetheretherketonecomposite composite wire according to any one of claims 1 to 8 prepare at
Type product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742477.XA CN110483948B (en) | 2019-08-13 | 2019-08-13 | Carbon fiber/polyether-ether-ketone composite wire for 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742477.XA CN110483948B (en) | 2019-08-13 | 2019-08-13 | Carbon fiber/polyether-ether-ketone composite wire for 3D printing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110483948A true CN110483948A (en) | 2019-11-22 |
| CN110483948B CN110483948B (en) | 2022-08-26 |
Family
ID=68550703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910742477.XA Active CN110483948B (en) | 2019-08-13 | 2019-08-13 | Carbon fiber/polyether-ether-ketone composite wire for 3D printing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110483948B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527852A (en) * | 2001-07-12 | 2004-09-08 | 3M | Fluoropolymers resistant to stress cracking |
| CN105348772A (en) * | 2014-08-21 | 2016-02-24 | 黑龙江鑫达企业集团有限公司 | PEEK valve-plate composite material with high heat resistance and excellent wear resistance |
| WO2017093650A1 (en) * | 2015-12-01 | 2017-06-08 | Arkema France | Composition of or for composite material, method for producing a paek composite material from said composition and paek composite material |
| CN108291083A (en) * | 2015-10-05 | 2018-07-17 | 阿雷沃公司 | Amorphous poly(aryl ether ketone) and its blend for lamination manufacture |
| US20180237627A1 (en) * | 2016-04-01 | 2018-08-23 | Arkema Inc. | 3-d printed fluoropolymer structures |
| WO2019016738A2 (en) * | 2017-07-19 | 2019-01-24 | 3M Innovative Properties Company | Method of making polymer articles and polymer composites by additive processing and polymer and composite articles |
| CN110054862A (en) * | 2019-05-17 | 2019-07-26 | 广西慧思通科技有限公司 | A kind of PEEK composite material suitable for 3D printing |
-
2019
- 2019-08-13 CN CN201910742477.XA patent/CN110483948B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527852A (en) * | 2001-07-12 | 2004-09-08 | 3M | Fluoropolymers resistant to stress cracking |
| CN105348772A (en) * | 2014-08-21 | 2016-02-24 | 黑龙江鑫达企业集团有限公司 | PEEK valve-plate composite material with high heat resistance and excellent wear resistance |
| CN108291083A (en) * | 2015-10-05 | 2018-07-17 | 阿雷沃公司 | Amorphous poly(aryl ether ketone) and its blend for lamination manufacture |
| WO2017093650A1 (en) * | 2015-12-01 | 2017-06-08 | Arkema France | Composition of or for composite material, method for producing a paek composite material from said composition and paek composite material |
| US20180237627A1 (en) * | 2016-04-01 | 2018-08-23 | Arkema Inc. | 3-d printed fluoropolymer structures |
| WO2019016738A2 (en) * | 2017-07-19 | 2019-01-24 | 3M Innovative Properties Company | Method of making polymer articles and polymer composites by additive processing and polymer and composite articles |
| CN110054862A (en) * | 2019-05-17 | 2019-07-26 | 广西慧思通科技有限公司 | A kind of PEEK composite material suitable for 3D printing |
Non-Patent Citations (4)
| Title |
|---|
| KLOSE, C 等: "Electrospun sulfonated poly(ether ketone) nanofibers as proton conductive reinforcement for durable Nafion composite membranes", 《JOURNAL OF POWER SOURCES》 * |
| QIUSHI LI等: "Flexural Properties and Fracture Behavior of CF/PEEK in Orthogonal Building Orientation by FDM: Microstructure and Mechanism", 《POLYMERS》 * |
| 钱伯章: "中科院在碳纤维/聚醚醚酮复合材料方面取得重要科研进展", 《合成纤维》 * |
| 高启君: "DMFC用改性磺化聚醚醚酮质子交换膜的研究", 《中国优秀博硕士学位论文全文数据库(博士)》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110483948B (en) | 2022-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103333442B (en) | TiO 2the preparation method of-SiC-fibre filling polytetrafluoroethyland matrix material | |
| US20110281051A1 (en) | Use of an expanded graphite in a polymer material | |
| EP0893471A1 (en) | Blends of fluoroplastics with polyetherketoneketone | |
| CN112968070B (en) | Solar photovoltaic back plate capable of being cooled efficiently and preparation method thereof | |
| CN104592722B (en) | The low warp glass fiber of high glaze strengthens PBT/PP Alloy And Preparation Method | |
| US20210340323A1 (en) | Preparation method for corncob-shaped hnt-pani/pp | |
| CN107200928A (en) | A kind of glass fiber reinforced polypropylene nylon composite materials and preparation method thereof | |
| CN103275448A (en) | Preparation method of modified packing ion enhanced polytetrafluoroethylene composite | |
| CN102746623A (en) | Preparation method for insulating heat conduction material | |
| CN111978701B (en) | Conductive polyester composite material and preparation method and application thereof | |
| CN104086924A (en) | Carbon fiber-reinforced thermoplastic resin composite material and preparation method thereof | |
| CN103319824B (en) | Method for preparing modified and enhanced polytetrafluoroethylene composite material | |
| CN108192277A (en) | A kind of high temperature resistant polyether-ether-ketone composite material and preparation method thereof | |
| Li et al. | Size effect of charcoal particles on the properties of bamboo charcoal/ultra‐high molecular weight polyethylene composites | |
| Ryu et al. | Improvements of the electrical conductivity and EMI shielding efficiency for the polycarbonate/ABS/carbon fiber composites prepared by pultrusion process | |
| CN110483948A (en) | A kind of 3D printing carbon fiber/polyetheretherketonecomposite composite wire | |
| CN101775096A (en) | Fluorine-containing resin and application thereof | |
| CN107541011A (en) | A kind of high-performance polyether-ether-ketone composite material formula and preparation method thereof | |
| CN101775097A (en) | Tetrafluoroethylene triple perfluorinated resin and application thereof as ion-exchange membrane reinforcing material | |
| Yang et al. | Mechanical properties of aligned long glass fiber reinforced polypropylene. I: Tensile strength | |
| CN103980710A (en) | Heat-conducting type carbon fiber composite material and preparation method thereof | |
| KR20190082428A (en) | Thermoplastic resin composition and article produced therefrom | |
| CN107286447A (en) | A kind of etfe film and preparation method thereof | |
| CN106967297A (en) | High content short glass fiber enhancing polyphenyl thioether composite material and preparation method thereof | |
| CN103509343A (en) | Glass fiber reinforced polyphenylene sulfide/polyphenyl ether composite material and preparation method thereof |
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 |