KR20170057611A - Fiber-reinforced liquid metal moldings coated with polydodamine · functional nanomaterials - Google Patents
Fiber-reinforced liquid metal moldings coated with polydodamine · functional nanomaterials Download PDFInfo
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- KR20170057611A KR20170057611A KR1020150160934A KR20150160934A KR20170057611A KR 20170057611 A KR20170057611 A KR 20170057611A KR 1020150160934 A KR1020150160934 A KR 1020150160934A KR 20150160934 A KR20150160934 A KR 20150160934A KR 20170057611 A KR20170057611 A KR 20170057611A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/02—Hot chamber machines, i.e. with heated press chamber in which metal is melted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
- B05C3/04—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
- B22D21/022—Casting heavy metals, with exceedingly high melting points, i.e. more than 1600 degrees C, e.g. W 3380 degrees C, Ta 3000 degrees C, Mo 2620 degrees C, Zr 1860 degrees C, Cr 1765 degrees C, V 1715 degrees C
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C16/00—Alloys based on zirconium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The present invention is characterized in that 1) a functional nanomaterial selected from among carbon fiber, aramid fiber and cellulose nanofiber selected from graphene, CNT, silver nano, silver nano wire and titanium dioxide is coated, (Carbon fiber, aramid fiber, and cellulose nanofiber) coated with polydodamine · functional nanomaterials, and then 2) selected fibers are composed of short fibers or sheets. Liquid metal, which is melted by heating the liquid metal, is injected into a mold and then injected into a preheated mold with fibers coated with poly-dopamine · functional nanomaterial to form liquid metal melt and poly-diamine Functional nanomaterial-coated fibers (selected from carbon fibers, aramid fibers, and cellulose nanofibers) (Fibers selected from among carbon fibers, aramid fibers and cellulose nanofibers) coated with liquid metal and polydodamine · functional nanomaterials by cooling, pressurizing, solidifying and molding (die casting) More functional functionalities in the design of desired products such as more functional electronic devices (mobile phones, laptops, tablet PCs, computers), exterior and parts of automobiles, aircraft, reactors in the chemical industry, heat exchangers, medical devices, golf clubs, The present invention relates to a fiber-reinforced liquid metal molded body coated with a polypodamine functional nanomaterial composed of a fiber-reinforced liquid metal molding.
Description
The present invention is characterized in that 1) a functional nanomaterial selected from among carbon fiber, aramid fiber and cellulose nanofiber selected from graphene, CNT, silver nano, silver nano wire and titanium dioxide is coated and then the adhesive polydopamine (Carbon fiber, aramid fiber, and cellulose nanofiber) coated with polypodamine and functional nanomaterials, and 2) a fiber selected from one of the fibers is formed into a short fiber or sheet form, The liquid metal melted by heating and melting the liquid metal is injected into the mold so that the liquid metal melt and the fiber coated with the polydodamine · functional nanomaterial are combined and cooled, pressed, solidified and molded Die casting molding) to produce fibers coated with liquid metal and polypodamine functional nanomaterial (carbon fiber, aramid Fiber-reinforced liquid metal molding, which is a functional fiber-reinforced liquid metal molding of a desired product design, while exhibiting the properties of a fiber-reinforced liquid-metal-fiber, a cellulose nano-fiber.
Liquid metal is excellent in strength, elasticity, corrosion resistance and abrasion resistance, but has a disadvantage that it breaks easily. To solve such a problem, liquid metal and polydopamine functional nanomaterial-coated fibers (carbon fiber, aramid fiber, cellulose (Carbon fibers, aramid fibers) coated with liquid metal and polypodamine functional nanomaterial by cooling, pressing, solidifying and molding (die casting) Fiber, and cellulose nanofiber), so that the liquid metal does not break well and has excellent strength, elasticity, corrosion resistance, abrasion resistance, thermal conductivity, electromagnetic wave shielding and ultraviolet shielding function, Functionalized poly-dopamine functionalized nanomaterial-coated fiber-reinforced liquor Invar goal is to configure the metal formed article,
The present invention
1) A functional nanomaterial consisting of functional nanomaterials selected from graphene, CNT, silver nano, silver nano wire and titanium dioxide in a solvent composed of at least one of NMP, DMF, Functional nanomaterials coated with functional nanomaterials formed by coating selected fibers with fibers selected from aramid fibers and cellulose nanofibers and agitating them for 3 hours or more, The fibers were stirred in a dopamine solution for 10 hours or more to adhere the functional nanomaterial-coated fibers to the dopamine solution, centrifuged, washed with water, and dried to obtain an adhesive polydopamine Coated polydopamine functionalized nanomaterial-coated fibers (carbon fiber, aramide, De fibers, cellulose nanofibers)
2) Polydopamine · Fiber selected from fibers coated with functional nanomaterial (carbon fiber, aramid fiber or cellulose nanofiber) may be composed of short fibers (100 μm to 2 mm in length) or in the form of sheet, A liquid metal melt formed by melting a preheated metal mold with heating (600 ° C. to 800 ° C.) is injected into a mold frame (overflow is performed so as to reduce air pressure) (50 to 250 ° C) after adhesion of the liquid metal melt and the fiber coated with the polydodamine · functional nanomaterial by the adhesive polydopamine, (100 psi to 20,000 psi), solidification, molding (die casting) to show properties of fibers coated with liquid metal and polypodamine functional nanomaterials In other words, it has excellent strength, elasticity, corrosion resistance, abrasion resistance (liquid metal property) and excellent thermal conductivity because it is combined with fiber coated with liquid metal and polydodamine · functional nanomaterial, (Mobile phone, notebook, tablet PC, computer), exterior and parts of automobiles, aircraft, reactors of chemical industry, heat exchangers, heat exchangers and so on which show electromagnetic wave shielding effect and ultraviolet shielding (characteristic of functional nanomaterial) To a fiber-reinforced liquid metal molded body coated with a polypodamine functional nanomaterial comprising a fiber-reinforced liquid metal molded body in the form of a desired product such as a medical instrument, a golf club, and a fishing rod.
The characteristics of liquid metal and polypodamine, functional nanomaterial, carbon fiber, aramid fiber, and cellulose nanofiber in fiber-reinforced liquid metal molded body coated with poly-dopamine functional nanomaterial are as follows.
① Liquid metal: It is excellent in strength, elasticity, corrosion resistance and abrasion resistance but it has a disadvantage that it breaks well.
② Polydodamine: Adhesive fiber coated with polypodamine is more tightly mixed with liquid metal melt.
③ Graphene and CNT: Excellent electrical conductivity, thermal conductivity and strength, electromagnetic shielding and fire prevention function
④ Silver nano wire: It scatters light, shields electromagnetic waves, and silver nano wire is an antenna function when it is coated on the exterior of automobile or aircraft.
⑤ Titanium Dioxide: It reacts with graphene or CNT to absorb more light, anti-static function, anti-UV, anti-oxidation.
⑥ Carbon fiber, aramid fiber: Excellent strength, anti-fogging fiber, flame retardant fiber
⑦ Cellulose nanofibre: It is made of carbon fiber similar to carbon fiber which is light and liquefied when mixed with liquid metal melt.
Liquid metal is excellent in strength, elasticity, corrosion resistance and abrasion resistance, but has a disadvantage that it is easily broken. In order to be able to more closely adhere to liquid metal and selected fibers of carbon fiber, aramid fiber and cellulose nano fiber, In order to coat the selected polydopamine on the selected fibers, functional nanomaterials selected from at least one of graphene, CNT, silver nano, silver nano wire and titanium dioxide are coated on the selected fibers, and then polydopamine is coated thereon to form poly After fabricating the functional nanomaterial-coated fiber (carbon fiber, aramid fiber, cellulose nano fiber), the fiber and the liquid metal melt of the selected fiber are mixed with each other more closely than the molds of the design type of the desired product, Solidification, molding (die cast molding), liquid metal and poly-dopamine It is excellent in strength, elasticity, corrosion resistance, abrasion resistance, thermal conductivity, and is more functional than other electronic devices (such as mobile phones, notebooks, computers, etc.) that exhibit properties of fibers coated with functional nanomaterials, , Tablet PCs), fiber doped liquid crystals coated with polydopamine functional nanomaterials in the form of desired products in various fields such as automobile, aircraft exterior and parts, chemical industry reactors, heat exchangers, medical devices, golf clubs, Constituting the metal molded body is a problem to be solved.
Therefore,
≪ Method for producing a fiber-reinforced liquid metal molded article coated with poly-dopamine functional nanomaterial >
Step 1: Polydodamine · Functional nanomaterial-coated fiber (carbon fiber, aramid fiber, cellulose nanofiber)
(1) A functional nanomaterial consisting of functional nanomaterials selected from graphene, CNT, silver nanowire, silver nanowire, and titanium dioxide in a solvent composed of at least one of NMP, DMF, , Aramid fibers and cellulose nanofibers. After stirring for more than 3 hours, the functional nanomaterial solution is adhered to the selected fibers, followed by centrifugation and drying to coat the selected functional nanomaterial with the functional nanomaterial. (Carbon fibers, aramid fibers, and cellulose nanofibers)
② Duplicate selected fibers are added to the dopamine solution and stirred for 10 hours or more to make the dopamine solution adhere to the fibers (carbon fiber, aramid fiber or cellulose nanofiber) coated with the functional nanomaterial, followed by centrifugation and washing with water After that, it is coated with functional adhesive polydopamine on the functional nanomaterial-coated fiber to make functionalized carbon fiber, aramid fiber, cellulose nanofiber, polydopamine, functional nanomaterial-coated fiber (carbon fiber, Aramid fiber, cellulose nanofiber)
Dopamine Solution: A dopamine solution formed by selecting one of dopamine hydrochloride, norepinephrine hydrochloride, and epinephrine hydrochloride in a solvent selected from buffer solution, ethylene glycol, DMF, and NMP and dissolving. (If necessary, add methanol or ethanol to the dopamine solution.)
Step 2: Configure liquid metal melt
A liquid metal formed by adding at least one of Ti, Nb, Cu, Al, Fe, Be, Si, graphite, carbide, nitride, tungsten, molybdenum and tantalum to zirconium (Zr) A liquid metal melt which is formed by heating at a temperature higher than the temperature (600 DEG C to 800 DEG C)
* Liquid metal: 30 ~ 50% of zirconium (Zr) ① 30 ~ 70% of Zn or Ti ② 5 ~ 60% of Ni or Cu or Fe ③ 50% or less of Be or Al or Si or B, And a liquid metal
Step 3: Configuration of fiber-reinforced liquid metal moldings coated with polydodamine · functional nanomaterials.
o Fiber selected from fibers coated with polydodamine · functional nanomaterial (carbon fiber, aramid fiber or cellulose nanofiber) formed in Step 1 may be composed of short fibers (100 μm to 2 mm in length) The liquid metal melt formed in Step 2 was press-fitted into a die mold constituted by a design mold, and the liquid metal melt formed in Step 2 was press-fitted into a mold die, and the fibers coated with the polydodamine · functional nanomaterial and the liquid metal melt were combined (More tightly adhered by adhesive polydopamine). Quickly cool to less than the glass transition temperature (50 ° C to 250 ° C), pressurize (100 psi to 20,000 psi), solidify, form (die cast) Fiber-reinforced liquid metal molding with fiber-reinforced liquid metal molding.
The fiber-reinforced liquid metal molded article coated with the polydodamine functional nanomaterial of the present invention is a product in which a fiber (carbon fiber, aramid fiber, cellulose nanofiber selected fiber) coated with a polydodamine · functional nanomaterial and melted liquid metal melt are desired , Which is characterized by the properties of fibers coated with liquid metal and polydodamine · functional nanomaterials by mixing, cooling, pressurizing, molding (die casting) (Mobile phones, notebooks, computers, tablet PCs), automobiles, airplanes, exterior parts and components that exhibit heat dissipation, excellent electromagnetic shielding and ultraviolet shielding, excellent wear resistance, excellent thermal conductivity, Chemical industry reactors, heat exchangers, medical devices, golf clubs, fishing rods, etc. Can form a more functional fiber-reinforced liquid metal molding of the design type of the product, thereby solving the problem.
The fiber-reinforced liquid metal molded body coated with the polydodamine · functional nanomaterial of the present invention can be used for the design of a product which desires fiber and liquid metal melt selected from fibers (carbon fiber, aramid fiber, and cellulose nanofiber) coated with polypodamine · functional nanomaterial It is effective in that it can be intensively adhered by the adhesive polydopamine in a mold frame made in the form of a liquid metal, and the liquid metal, the polypodamine, and the functional nanomaterial are combined to constitute the strength metal, the elasticity, (Mobile phones, notebooks, computers, tablet PCs) that exhibit heat dissipation, electromagnetic wave shielding, and ultraviolet ray shielding, with excellent abrasion resistance, excellent thermal conductivity, and the like. Of reactors, heat exchangers, medical devices, golf clubs, fishing rods, etc. Functional fiber reinforced than the design shape of the desired product is effective it can configure the liquid metal molded body.
Liquid metal is excellent in strength, elasticity, corrosion resistance and abrasion resistance, but has a disadvantage that it breaks easily. To solve such a problem, liquid metal and polydopamine functional nanomaterial-coated fibers (carbon fiber, aramid fiber, cellulose The fibers selected from the nanofibers) are combined in a mold frame composed of the design form of the desired product to exhibit the characteristics of the fibers coated with liquid metal and polypodamine functional nanomaterial, so that the liquid metal is not broken and strength, elasticity, corrosion resistance, abrasion resistance In order to constitute a more functional fiber-reinforced liquid metal molded body of a design type of a desired product which exhibits a heat radiation effect with excellent heat conductivity and exhibits functions of electromagnetic wave shielding and ultraviolet ray shielding,
The present invention
1) Functional nanomaterial consisting of functional nanomaterial selected from graphene, CNT, silver nano, silver nano wire and titanium dioxide in a solvent selected from at least one of NMP, DMF, alcohol and water and dispersed by ultrasonic wave. A functional nanomaterial composed of selected fibers selected from carbon fibers, aramid fibers and cellulose nanofibers and agitated for more than 3 hours to make functional nanomembers adhere to selected fibers, followed by centrifugation and drying to coat the selected functional nanomaterials The coated fibers are placed in a dopamine solution and agitated for 10 hours or longer to allow the dopamine solution to adhere to the fibers coated with the functional nanomaterial, followed by centrifugation, washing with water, and drying to obtain an adhesive poly Polydopamine · Functional Nanomaterial Coated with Dopamine Coating (Carbon fiber, aramid fiber, cellulose nanofiber)
Dopamine Solution: A dopamine solution formed by selecting one of dopamine hydrochloride, norepinephrine hydrochloride, and epinephrine hydrochloride in a solvent selected from buffer solution, ethylene glycol, DMF, and NMP and dissolving. (If necessary, add methanol or ethanol to the dopamine solution.)
2) Polydodamine · Fiber selected from fibers coated with functional nanomaterials (carbon fiber, aramid fiber, and cellulose nanofiber) may be composed of short fibers (100 μm ~ 2 mm in length) A liquid metal melt, which is formed by heating molten metal at a temperature (600 ° C. to 800 ° C.) higher than the melting temperature of its corresponding crystal phase and melting the molten metal into a preformed mold (180 ° C. to 280 ° C.) (Injection speed of 50m / sec or more) and inject it into the mold (overflow to reduce the air pressure during injection). In order to coalesce fibers coated with liquid metal melt and polydodamine · functional nanomaterials, it is preferable to coalesce with the adhesive polydopamine, then cool rapidly to less than the glass transition temperature (50 ° C. to 250 ° C.) 100 psi to 20,000 psi), solidification and molding (die casting) to show properties of liquid metal and polypodamine · functional nanomaterial, so that liquid metal does not break, strength, elasticity, corrosion resistance, abrasion resistance, excellent thermal conductivity (Mobile phones, notebooks, computers, tablet PCs), exterior and parts of automobiles, airplanes, reactors in chemical industry, heat exchangers, medical devices that exhibit heat dissipation effects and exhibit functions such as electromagnetic shielding and ultraviolet shielding , Golf clubs, fishing rods, etc., in the form of fiber-reinforced liquid metal molding, It relates to a fiber-reinforced molded product Liquid metal nano-material coatings
* Liquid metal: Liquid metal consisting of at least one selected from Ti, Nb, Cu, Al, Fe, Be, Si, graphite, carbide, nitride, tungsten, molybdenum and tantalum added to zirconium (Zr)
30 to 50% of zirconium (Zr) 1) 30 to 70% of Zn or Ti 2) Ni or Cu or Fe 5 to 60 ③ Be or less than 50% of Al or B Being mixed with one or more metals selected from Liquid metal.
Claims (2)
≪ Method for producing a fiber-reinforced liquid metal molded article coated with poly-dopamine functional nanomaterial >
Step 1: Polydopamine · Functional nanomaterial-coated fibers (carbon fiber, aramid fiber, cellulose nanofiber).
(1) Functional nanomaterials are prepared by dispersing ultrasonic waves in a solvent selected from among NMP, DMF, alcohol, and water, functional nanomaterials selected from at least one of graphene, silver nano, silver nano wire and titanium dioxide, and carbon fibers, aramid fibers, Cellulose nanofibers are mixed with selected fibers and agitated to adhere functional nanomaterials to selected fibers, followed by centrifugation and drying to coat functional nanomaterials on selected fibers to form functional nanomaterial-coated fibers (carbon fibers, aramid fibers, cellulose Nano fiber)
(2) The fibers selected from the functional nanomaterial-coated fibers (carbon fiber, aramid fiber, and cellulose nanofiber) are put into a dopamine solution and agitated to adhere the functional nanomaterial-coated fibers to the dopamine solution, followed by centrifugation and washing with water (Carbon fiber, aramid fiber, and cellulose nanofiber) coated with functional nanomaterials, followed by drying and coating the functional nanomaterial-coated fibers with adhesive polydopamine.
Step 2: Configure liquid metal melt.
A liquid metal formed by adding at least one of Ti, Nb, Cu, Al, Fe, Be, Si, graphite, carbide, nitride, tungsten, molybdenum and tantalum to zirconium (Zr) A liquid metal melt which is formed by melting at a temperature higher than the temperature (600 ° C to 800 ° C).
Step 3: Configuration of fiber-reinforced liquid metal moldings coated with polydodamine · functional nanomaterials.
o The fiber selected from the fiber (carbon fiber, aramid fiber or cellulose nanofiber) coated with the polydodamine · functional nanomaterial formed in Step 1 may be composed of short fibers (100 μm to 2 mm in length) (180 ° C to 280 ° C), the liquid metal melt formed in Step 2 is injected into the mold and poured into the mold (the overflow can be performed to reduce the air pressure during the injection After the fibers coated with liquid metal and polydodamine · functional nanomaterial are coalesced, they are rapidly cooled to less than the glass transition temperature (50 ° C to 250 ° C), pressurized (100 psi to 20,000 psi), solidified, (Die casting) to produce a fiber-reinforced liquid metal molding of the desired product design type that exhibits the characteristics of a fiber coated with liquid metal and polydodamine functional nanomaterial. Fiber-reinforced liquid metal moldings coated with polydodamine · functional nanomaterials.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185914A (en) * | 2021-04-28 | 2021-07-30 | 西北工业大学 | Nano liquid metal self-repairing antifouling coating and preparation method thereof |
| CN115368621A (en) * | 2021-05-18 | 2022-11-22 | 中国科学院苏州纳米技术与纳米仿生研究所 | Aramid fiber/polydopamine aerogel film, phase-change composite film, preparation method and application |
| CN116426074A (en) * | 2023-05-29 | 2023-07-14 | 江苏海洋大学 | Preparation method of double-crosslinked-network-enhanced stabilized ethylene propylene diene monomer rubber |
-
2015
- 2015-11-17 KR KR1020150160934A patent/KR20170057611A/en not_active Application Discontinuation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185914A (en) * | 2021-04-28 | 2021-07-30 | 西北工业大学 | Nano liquid metal self-repairing antifouling coating and preparation method thereof |
| CN115368621A (en) * | 2021-05-18 | 2022-11-22 | 中国科学院苏州纳米技术与纳米仿生研究所 | Aramid fiber/polydopamine aerogel film, phase-change composite film, preparation method and application |
| CN115368621B (en) * | 2021-05-18 | 2024-03-15 | 中国科学院苏州纳米技术与纳米仿生研究所 | Aramid fiber/polydopamine aerogel film, phase change composite film, preparation method and application |
| CN116426074A (en) * | 2023-05-29 | 2023-07-14 | 江苏海洋大学 | Preparation method of double-crosslinked-network-enhanced stabilized ethylene propylene diene monomer rubber |
| CN116426074B (en) * | 2023-05-29 | 2024-04-26 | 江苏海洋大学 | Preparation method of double-crosslinked-network-enhanced stabilized ethylene propylene diene monomer rubber |
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