CN108133770A - A kind of flexible cable line and preparation method thereof - Google Patents
A kind of flexible cable line and preparation method thereof Download PDFInfo
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- CN108133770A CN108133770A CN201711174337.4A CN201711174337A CN108133770A CN 108133770 A CN108133770 A CN 108133770A CN 201711174337 A CN201711174337 A CN 201711174337A CN 108133770 A CN108133770 A CN 108133770A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0009—Details relating to the conductive cores
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
- B33Y80/00—Products made by additive manufacturing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/143—Insulating conductors or cables by extrusion with a special opening of the extrusion head
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/145—Pretreatment or after-treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/146—Controlling the extrusion apparatus dependent on the capacitance or the thickness of the insulating material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/148—Selection of the insulating material therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3462—Cables
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of flexible cable line, the cable is made of elastic conduction sandwich layer, elastic insulating layer and metal joint three parts；The elastic conduction sandwich layer, by extrusion system, is molded simultaneously with insulating layer；The metal joint is encapsulated in the both ends of flexible cable line.The present invention overcomes traditional mold manufacture, the deficiency that manpower, time, cost etc. is caused largely to waste has many advantages, such as forming, continuity degree are high, process is uninterrupted, can be mass-produced, saves manpower, time and production cost.
Description
Technical field
The present invention relates to flexible electronic technical field, more particularly, to a kind of elasticity prepared by way of extrusion forming
Cable.
Background technology
With being constantly progressive for science and technology, more and more electronic products turn to flexibility and personalized customization, such as may be used
Wearable device, flexible circuit, antenna, microwave cable, electronic skin etc., these electronic products do not require nothing more than the normal of electronic component
Operating also requires electronic component that can need progress elastic deformation with user, also connecting cable therein is just needed also to have
Flexible deformation, such demand is undoubtedly to conventionally manufactured generation huge challenge.The correlative study manufacture of existing flexible cable line,
It is that conductive material by way of mold is embedded into elastic material to and carried out encapsulated moulding.But existing flexible cable line
There are following limitations for correlative study manufacture：(1) existing flexible cable line is manufactured using traditional die cast, needs to make in advance
Modeling has, and production cost is very high, and if needing to carry out different technique adjustments according to different, also to carry out as needed
The replacement of mold causes a large amount of wastes of manpower, time and cost；(2) existing flexible cable line is due to above-mentioned factor, it is difficult to
Meet the more and more personalized customization requirements of user.
Invention content
In view of the above-mentioned problems existing in the prior art, the applicant provides a kind of flexible cable line and its preparation sides
Method.The present invention overcomes traditional mold manufacture, the deficiency that manpower, time, cost etc. is caused largely to waste, have into
Type is good, continuity degree is high, process is uninterrupted, many advantages, such as can be mass-produced, and saves manpower, time and production cost.
Technical scheme is as follows：
A kind of flexible cable line, the cable are made of elastic conduction sandwich layer, insulating layer and metal joint three parts；Institute
Elastic conduction sandwich layer is stated with insulating layer by extrusion system, is molded simultaneously；The metal joint is encapsulated in the two of flexible cable line
End.
A kind of preparation method of the flexible cable line, the preparation method include the following steps：
(1) liquid or colloidal conductive material (1) are respectively charged into the first extrusion system (5), the second extrusion system (4)
With covering material (2)；
(2) by the first extrusion system (5), the second extrusion system (4) and nozzle (3) parallel arrangement, and first is squeezed and is
System (5), the second extrusion system (4) are connected by conduit with the inner core of nozzle (3) and exocoel respectively；
(3) extrusion speed of the first extrusion system (5), the second extrusion system (4) is set separately, is being beaten by nozzle (3)
The cable of substrates printed upper extrusion molding；
(4) by the way of heat cure or photocuring, make cable curing molding obtained by step (3)；
(5) metal joint is inserted into the both ends of cable obtained by step (4), then is molded with encapsulating material package curing, system
Obtain the flexible cable line.
Conductive material (1) described in step (1) is carbon-based conductive liquid, carbon-based conductive cream, conductive ion liquid, conducting polymer
It is one or more in solution, conducting polymer hydrogel, conductive ion gel, liquid metal；The conductance of the conductive material
Rate is 103~108S/m。
Covering material (2) described in step (1) is thermosetting property or thermoplastic elastomer, thermosetting property or thermoplastic resin, nylon
In it is one or more.
The extrusion speed of first extrusion system (5) is less than or equal to the extrusion speed of the second extrusion system (4).Step
(5) encapsulating material described in is photocuring fluid sealant.
The method also uses third extrusion system (6), and the third extrusion system (6) is equipped with covering material (2), by leading
Pipe is connected with the exocoel of nozzle (3)；The extrusion speed of the third extrusion system (6) is less than or equal to first and squeezes the decorum (5)
Extrusion speed.
The extrusion speed of the extrusion speed and third extrusion system (6) of second extrusion system (4) is identical or different.
One kind is compiled by flexible cable line made from the preparation method, shape, the size of the cable by software
Journey, squeezing parameter, nozzle specification are adjusted.
The present invention is beneficial to be had technical effect that：
The invention avoids tradition to utilize mold or manually cumbersome production technology, disclosure satisfy that different user to cable
The requirement of the arbitrary 3D figures of line, geometric dimension etc., while the cable that the manufacturing method is produced has forming, continuous journey
Degree is high, process is uninterrupted, many advantages, such as can be mass-produced, and saves manpower, time and production cost.
The present invention is using the conductive material of liquid either colloid due to the good elastic shape of the mobility or colloid of liquid
Become, can meet has elasticity with its cable manufactured.When covering material selects silicon rubber, since silicon rubber has well
Insulating properties and elastic deformation ability, while silicon rubber is non-toxic and tasteless, high temperature resistant, low temperature resistant, has good inertia, makes me
Flexible cable line have apparent advantage.
The present invention can realize arbitrariness and adjustability by software programming according to the demand of user；Regulate and control print parameters,
I.e. described Coaxial nozzle and the distance of printed substrates, the specification of the Coaxial nozzle, preset path and two sets of extrusion systems
Extrusion air pressure to two kinds of materials is realized to the diameter of the cable, the adjustment of length and to the institute in the cable
State the adjustment of the thickness of conductive material content and the cable covering material.
Description of the drawings
Fig. 1 is principle schematic prepared by flexible cable line of the present invention；
Fig. 2 is principle schematic prepared by flexible cable line of the present invention；
Fig. 3 is the length of 1 gained cable of the embodiment of the present invention and the relational graph of resistance；
In figure：1st, conductive material；2nd, covering material；3rd, nozzle；4th, the second extrusion system；5th, the first extrusion system；6th,
Three extrusion systems.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is specifically described.But it is above-mentioned that this should not be interpreted as to the present invention
The range of theme is only limitted to following embodiment, all to be all belonged to the scope of the present invention based on the technology that the content of present invention is realized.
Embodiment 1
As shown in Figure 1, a kind of preparation method of flexible cable line, the preparation method include the following steps：
(1) it (is liquid at -10~40 DEG C that eutectic alloy Ga75.5-In24.5 gallium-indium alloys are packed into the first extrusion system 5
State), DOW CORNING SE1700 silicon rubber is packed into the second extrusion system 4；
(2) by the first extrusion system 5, the second extrusion system 4 and 3 parallel arrangement of nozzle, and by the first extrusion system 5, the
Two extrusion systems 4 are connected by conduit with the inner core of nozzle 3 and exocoel respectively；The inner core internal diameter of the nozzle is 0.21mm, interior
Core outer diameter is 0.4mm, internal diameter of outer cover 13mm；
(3) the extrusion air pressure for setting extrusion air pressure as the 0.1psi, the second extrusion system 4 of the first extrusion system 5 is
Cable is printed upon in printed substrates by 70psi, nozzle 3 with the print speed of 10mm/s；
(4) using 80 DEG C of heating heat cure modes, make step (3) gained cable curing molding, obtain length 20cm's
Elastic wire；
(5) by two tip cut-offs of cable obtained by step (4), and the copper wire for being inserted into a diameter of 0.1mm (is submerged in cable
Length be 5mm), then with UV optic-solidified adhesives injection cable both ends and UV cure package curing moldings, the elasticity electricity is made
Cable.Gained flexible cable line inner core diameter about 0.2mm, outer casing thickness about 0.8mm.
The cable for intercepting 8mm length carries out the experiment of cable line length and sensitivity, test result as shown in figure 3,
As seen from Figure 3 during cable 8mm long, resistance is 0.175 Ω, when cable is elongated 18mm, resistance 0.34
Ω, when cable is elongated 27mm, resistance is 0.5 Ω；As a result show that the length that cable is stretched to is corresponding
The discribed point of resistance value is evenly distributed on straight line both sides, then the cable line length and resistance are in a linear relationship.
Embodiment 2
A kind of preparation method of flexible cable line, the preparation method include the following steps：
(1) it is fitted into the first extrusion system 5 in conductive carbon paste material, the second extrusion system 4 and is packed into DOW CORNING Sylgard
184 silicon rubber；
(2) by the first extrusion system 5, the second extrusion system 4 and 3 parallel arrangement of nozzle, and by the first extrusion system 5, the
Two extrusion systems 4 are connected by conduit with the inner core of nozzle 3 and exocoel respectively；The inner core internal diameter of the nozzle is 0.21mm, interior
Core outer diameter is 0.4mm, internal diameter of outer cover 13mm；
(3) the extrusion air pressure for setting extrusion air pressure as the 26psi, the second extrusion system 4 of the first extrusion system 5 is 40psi,
Cable is printed upon in printed substrates by nozzle 3 with the print speed of 4mm/s；
(4) using 120 DEG C of heating heat cure modes, make step (3) gained cable curing molding, obtain length 5cm's
Elastic wire；
(5) by two tip cut-offs of cable obtained by step (4), and the copper wire for being inserted into a diameter of 0.1mm (is submerged in cable
Length be 5mm), then with UV optic-solidified adhesives injection cable both ends and UV cure package curing moldings, the elasticity electricity is made
Cable.Gained flexible cable line inner core diameter about 0.16mm, outer wrapping thickness about 0.4mm.
In this embodiment, it is starched as a result of the higher carbon of viscosity, and the wellability between carbon slurry and silicon rubber
It is more excellent, therefore in conducting wire manufacture, whole uniformity and controllability higher.
Embodiment 3
A kind of preparation method of flexible cable line, the preparation method include the following steps：
(1) conducting polymer PEDOT/PSS (poly- 3,4-rthylene dioxythiophenes/polyphenyl second are packed into the first extrusion system 5
Alkene sulfonate) solution, DOW CORNING 3-6371UV silica gel is packed into the second extrusion system 4；
(2) by the first extrusion system 5, the second extrusion system 4 and 3 parallel arrangement of nozzle, and by the first extrusion system 5, the
Two extrusion systems 4 are connected by conduit with the inner core of nozzle 3 and exocoel respectively；The inner core internal diameter of the nozzle is 0.21mm, interior
Core outer diameter is 0.4mm, internal diameter of outer cover 13mm；
(3) the extrusion air pressure for setting extrusion air pressure as the 20psi, the second extrusion system 4 of the first extrusion system 5 is 40psi,
Cable is printed upon in printed substrates by nozzle 3 with the print speed of 5mm/s；
(4) using UV photocuring modes, make step (3) gained cable curing molding, obtain the elastic conducting of length 20cm
Line；
(5) by two tip cut-offs of cable obtained by step (4), and the copper wire for being inserted into a diameter of 0.1mm (is submerged in cable
Length be 5mm), then with UV optic-solidified adhesives injection cable both ends and UV cure package curing moldings, the elasticity electricity is made
Cable.Gained flexible cable line inner core diameter about 0.2mm, outer casing thickness about 0.6mm.
In this embodiment, the resistance of conductive polymer solution is larger, in conducting wire manufacture, shows electricity under stretch
Resistive becomes apparent, and such as under 50% pulled out condition, resistance increases to 150 Ω from 50 Ω.
Embodiment 4
As shown in Fig. 2, a kind of preparation method of flexible cable line, the preparation method include the following steps：
(1) conducting polymer PEDOT/PSS (poly- 3,4-rthylene dioxythiophenes/polyphenyl second are packed into the first extrusion system 5
Alkene sulfonate) solution, DOW CORNING 3-6371UV silica gel is packed into the second extrusion system 4, road health is packed into third extrusion system 6
Peaceful 3-6371UV silica gel；
(2) by the first extrusion system 5, the second extrusion system 4, third extrusion system 6 and 3 parallel arrangement of nozzle, and by the
One extrusion system 5 is connected by conduit with the inner core of nozzle 3, and the second extrusion system 4 and third extrusion system 6 are outer with nozzle 3
Chamber connects；The inner core internal diameter of the nozzle is 0.21mm, and inner core outer diameter is 0.4mm, internal diameter of outer cover 13mm；
(3) the extrusion air pressure for setting extrusion air pressure as the 20psi, the second extrusion system 4 of the first extrusion system 5 is 40psi,
The extrusion air pressure of third extrusion system 6 is 35psi, and cable is printed upon printed substrates by nozzle 3 with the print speed of 5mm/s
On；
(4) using UV photocuring modes, make step (3) gained cable curing molding, obtain the elastic conducting of length 20cm
Line；
(5) by two tip cut-offs of cable obtained by step (4), and the copper wire for being inserted into a diameter of 0.1mm (is submerged in cable
Length be 5mm), then with UV optic-solidified adhesives injection cable both ends and UV cure package curing moldings, the elasticity electricity is made
Cable.Gained flexible cable line inner core diameter about 0.2mm, covering material can accomplish the different thickness in cable both sides, close to the
Two extrusion systems, 4 side thickness is 0.6mm, is 0.4mm close to 6 side thickness of third extrusion system.
Embodiment 5
As shown in Figure 1, a kind of preparation method of flexible cable line, the preparation method include the following steps：
(1) loading UV photocuring polyamides in conductive carbon paste material, the second extrusion system 4 is fitted into the first extrusion system 5
Imines；
(2) by the first extrusion system 5, the second extrusion system 4 and 3 parallel arrangement of nozzle, and by the first extrusion system 5, the
Two extrusion systems 4 are connected by conduit with the inner core of nozzle 3 and exocoel respectively；The inner core internal diameter of the nozzle is 0.21mm, interior
Core outer diameter is 0.4mm, internal diameter of outer cover 13mm；
(3) the extrusion air pressure for setting extrusion air pressure as the 0.1psi, the second extrusion system 4 of the first extrusion system 5 is
Cable is printed upon in printed substrates by 70psi, nozzle 3 with the print speed of 10mm/s；
(4) using UV photocuring modes, make step (3) gained cable curing molding, obtain the elastic conducting of length 10cm
Line；
(5) by two tip cut-offs of cable obtained by step (4), and the copper wire for being inserted into a diameter of 0.1mm (is submerged in cable
Length be 5mm), then with UV photocurable polyimides injection cable both ends and UV cure package curing moldings, be made described
Flexible cable line.Gained flexible cable line inner core diameter about 0.2mm, outer casing thickness about 0.8mm.
Claims (9)
1. a kind of flexible cable line, it is characterised in that the cable is by elastic conduction sandwich layer, insulating layer and metal joint three
It is grouped as；The elastic conduction sandwich layer, by extrusion system, is molded simultaneously with insulating layer；The metal joint is encapsulated in elastic electricity
The both ends of cable.
2. the preparation method of flexible cable line described in a kind of claim 1, it is characterised in that the preparation method includes following step
Suddenly：
(1) liquid or colloidal conductive material (1) and packet are respectively charged into the first extrusion system (5), the second extrusion system (4)
Cover material (2)；
(2) by the first extrusion system (5), the second extrusion system (4) and nozzle (3) parallel arrangement, and by the first extrusion system
(5), the second extrusion system (4) is connected by conduit with the inner core of nozzle (3) and exocoel respectively；
(3) extrusion speed of the first extrusion system (5), the second extrusion system (4) is set separately, by nozzle (3) in printing base
The cable of extrusion molding on bottom；
(4) by the way of heat cure or photocuring, make cable curing molding obtained by step (3)；
(5) metal joint is inserted into the both ends of cable obtained by step (4), then is molded with encapsulating material package curing, institute is made
State flexible cable line.
3. preparation method according to claim 2, it is characterised in that conductive material (1) described in step (1) is carbon-based conductive
Liquid, carbon-based conductive cream, conductive ion liquid, conductive polymer solution, conducting polymer hydrogel, conductive ion gel, liquid gold
It is one or more in category；The conductivity of the conductive material is 103~108S/m。
4. preparation method according to claim 2, it is characterised in that covering material (2) described in step (1) is thermosetting property
It is or one or more in thermoplastic elastomer, thermosetting property or thermoplastic resin, nylon.
5. preparation method according to claim 2, it is characterised in that the extrusion speed of first extrusion system (5) is less than
Or the extrusion speed equal to the second extrusion system (4).
6. preparation method according to claim 2, it is characterised in that encapsulating material described in step (5) is sealed for photocuring
Glue.
7. preparation method according to claim 2, it is characterised in that the method also uses third extrusion system (6), should
Third extrusion system (6) is connected equipped with covering material (2) by conduit with the exocoel of nozzle (3)；The third extrusion system
(6) extrusion speed is less than or equal to the first extrusion speed for squeezing the decorum (5).
8. preparation method according to claim 2, it is characterised in that the extrusion speed of second extrusion system (4) and
The extrusion speed of three extrusion systems (6) is identical or different.
9. a kind of pass through flexible cable line made from any one of claim 2~8 preparation method, it is characterised in that the electricity
Shape, the size of cable are adjusted by software programming, squeezing parameter, nozzle specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174337.4A CN108133770B (en) | 2017-11-22 | 2017-11-22 | Elastic cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174337.4A CN108133770B (en) | 2017-11-22 | 2017-11-22 | Elastic cable and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108133770A true CN108133770A (en) | 2018-06-08 |
| CN108133770B CN108133770B (en) | 2020-06-09 |
Family
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| CN110322988A (en) * | 2019-06-24 | 2019-10-11 | 义乌市中科院兰州化物所功能材料中心 | A kind of the high temperature resistant enameled conducting wire and preparation method of 3D printing preparation |
| CN111113889A (en) * | 2019-12-22 | 2020-05-08 | 同济大学 | Fused deposition molding method using cored wire |
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| WO2021023162A1 (en) * | 2019-08-06 | 2021-02-11 | 北京梦之墨科技有限公司 | Conductive material and preparation method therefor, and electronic device |
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| CN109706625B (en) * | 2018-12-17 | 2021-11-12 | 江南大学 | Silicon rubber porous material array with elastic hollow fibers and preparation method thereof |
| CN110322988A (en) * | 2019-06-24 | 2019-10-11 | 义乌市中科院兰州化物所功能材料中心 | A kind of the high temperature resistant enameled conducting wire and preparation method of 3D printing preparation |
| WO2021023162A1 (en) * | 2019-08-06 | 2021-02-11 | 北京梦之墨科技有限公司 | Conductive material and preparation method therefor, and electronic device |
| CN111113889A (en) * | 2019-12-22 | 2020-05-08 | 同济大学 | Fused deposition molding method using cored wire |
| CN111113889B (en) * | 2019-12-22 | 2021-06-04 | 同济大学 | Fused deposition molding method using cored wire |
| CN111922344A (en) * | 2020-09-02 | 2020-11-13 | 宁波韧和科技有限公司 | 3D printing device of liquid metal elastic electronic device and preparation method |
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