CN107501826B - A kind of synthetic method of electroresponse 4D printed material - Google Patents
A kind of synthetic method of electroresponse 4D printed material Download PDFInfo
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- CN107501826B CN107501826B CN201710791198.3A CN201710791198A CN107501826B CN 107501826 B CN107501826 B CN 107501826B CN 201710791198 A CN201710791198 A CN 201710791198A CN 107501826 B CN107501826 B CN 107501826B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
Abstract
A kind of synthetic method of electroresponse 4D printed material, it is related to the printing field of intellectual material, and in particular to a kind of synthetic method of electroresponse 4D material.The synthetic method of 4D printed material of the present invention: the one, preparation of plastics；Two, the preparation of conductive material；Three, by polylactic acid/polytetrafluoroethylene (PTFE) synthetic plastic and conductive material, it is connected on 3D printer, conductive material made from polylactic acid made from step 2/polytetrafluoroethylene (PTFE) synthetic plastic and step 3 is each led at two spray heads, starting printer begins to the program automatic feed according to input, obtains electroresponse 4D printed material.Operating procedure of the invention is simple, and material property is excellent, and using the material electrostrictive characteristic of synthesis, this can be widely applied to the fields such as human body ectoskeleton and artificial muscle in technology future.Operating procedure of the invention is simple, and material property is excellent, and using the material electrostrictive characteristic of synthesis, this can be widely applied to the fields such as human body ectoskeleton and artificial muscle in technology future.
Description
Technical field
The present invention relates to the printing fields of intellectual material, and in particular to a kind of synthetic method of electroresponse 4D material.
Background technique
4D printing, which refers to, uses programmable material (usually intelligent composite) as printed material, passes through the side of 3D printing
Formula prints three-dimension object.The object can as time goes by, it is scheduled excitation or stimulation (in case of water, cooling or energization,
Illumination, heating, pressurization) under, appersonation shape, physical attribute (such as structure, form, volume, density, color, brightness, elasticity,
Hardness, electric conductivity, electromagnetic property and optical characteristics etc.) or function etc..Compared with traditional manufacture, 4D is printed in addition to possessing
Outside some main advantages of 3D printing, it is also equipped with a lot of other key properties.
Firstly, it can directly be built into design in printed material in a manner of programming, make object after printing, from one
Kind form becomes another form, provides better design freedom for object, realizes self variation and manufacture of object.
Secondly, a variety of possible amendment elements can be preset in the scheme of printed material by it, allow object after printing shaping, according to people
Idea driving object realize self deformation or to its improve and amendment.Third, it can be further simplified object production system
While making process, the object printed is made first to have simple shape extremely, structure and function, then by external drive or
Stimulation, allow it to change again for required complexity shape, structure and function.4th, it can make component and this body structure of object
Complexity become no longer so important in production, and the abilities such as driving, logic and perception can be embedded in wherein, allow object
Additional equipment that no setting is required when deformation assembling, greatly reduces the costs such as human and material resources and time.5th, it can excite work
The imagination of Cheng Shi and designer, and a variety of multi-functional dynamic objects are designed, it carries out substance programming again later and is beaten
Printing is made, and is promoted " substance sequencing " this divine force that created the universe mode and is become a reality.Finally, it can by more effective Programming,
The space limitation for overcoming the object manufacturing, has been better achieved the globalization numerical DC speed of diversified object.
Summary of the invention
The purpose of the present invention is to solve the technical issues of, provide a kind of synthesis side of electroresponse 4D printed material
Method.
A kind of synthetic method of electroresponse 4D printed material follows the steps below:
One, the preparation of plastics:
In parts by weight by 30 parts -45 parts of polylactic acid, 10 parts of -20 parts of polytetrafluoroethylene (PTFE), 3 parts -10 parts of powdered graphite,
5 parts -10 parts of compatilizer, 3 parts -8 parts of toughener and the mixing of 1 part -3 parts of auxiliary agent, are made mixture；
Two, the resulting mixture of step 1 is squeezed under the conditions of 200 DEG C -260 DEG C of temperature with the screw rod that draw ratio is 36-44
Machine extrusion process out obtains polylactic acid/polytetrafluoroethylene (PTFE) synthetic plastic；
Three, the preparation of conductive material:
In parts by weight by 30 parts -50 parts of acrylic resin, 25 parts -45 parts of copper powder, 10 parts -15 parts of solvent, 5
- 8 parts of crosslinking agent of part, 3 parts -6 parts of coupling agent and 3 parts -6 parts of toughener are mixed to prepare mixture, are added in reaction kettle,
Extrusion molding is mixed under the conditions of temperature is 140-180 DEG C, is added during extrusion molding and is added during extrusion molding
The silver conductive adhesive of gross mass 15%-30%, obtains conductive material；
Four, the conductive material for obtaining the resulting polylactic acid of step 2/polytetrafluoroethylene (PTFE) synthetic plastic and step 3, connection
On 3D printer, 3D printer used is double nozzle printing machines, by polylactic acid made from step 2/polytetrafluoroethylene (PTFE) synthesis modeling
Material is each led into conductive material made from step 3 at two spray heads, so that filamentary material is accessible to nozzle spray head preheating
Place, starting printer begin to the program automatic feed according to input, print the batten of long 120mm wide 9mm high 10mm, obtain electricity
Respond 4D printed material.
Electroresponse 4D printed material is connected into power supply, passes to 3V-15V voltage, electroresponse 4D printed material passes through with electric current
It swings, that is, the actuating that is powered occurs.
Compatilizer described in step 1 is PPO, nylon or polycarbonate.
Toughener described in step 1 is ethylene butyl acrylate, ethylene vinyl acetate or haloflex.
Auxiliary agent described in step 1 is the mixture of antioxidant, light stabilizer, heat stabilizer and copper powder composition, the antioxygen
Agent, light stabilizer, heat stabilizer and copper powder weight percent are 3:3:3:1.
Solvent described in step 3 is ethylene glycol, dimethylformamide or acetone.
Crosslinking agent described in step 3 is that 2,5- dimethyl -2,5 di-t-butyl hexane peroxide, 2- phenylimidazole or 2- are different
Propyl imidazole.
Coupling agent described in step 3 is zirconium class coupling agent, magnesium class coupling agent or silane coupling agent.
Coupling agent described in step 3 is Silane coupling agent KH550.
Toughener described in step 3 is liquid nitrile rubber, polyvinyl alcohol contracting first hexanal or 302 polyester.
The operating process of mixing extrusion molding is as follows under the conditions of temperature is 140-180 DEG C described in step 3: with 30-35
DEG C/heating rate of min is warming up to 140 DEG C, 90min-120min is kept, is warming up to 160 with the heating rate of 35-45 DEG C/min
DEG C, 90min is kept, 180 DEG C is warming up to the heating rate of 45-50 DEG C/min, keeps 60min.
4D printing is born to be quickly grown so far, and the present invention develops a kind of material of suitable 4D printing, and the present invention in the future may be used
Developmental research for artificial skelecton.
Operating procedure of the invention is simple, and material property is excellent, utilizes the material electrostrictive characteristic of synthesis, this technology
Future can be widely applied to the fields such as human body ectoskeleton and artificial muscle.
Embodiment
Technical solution of the present invention is not limited to set forth below for embodiment, further includes any combination between each embodiment.
Embodiment 1: a kind of synthetic method of electroresponse 4D printed material follows the steps below:
One, the preparation of plastics:
In parts by weight by 35 parts of polylactic acid, 20 parts of polytetrafluoroethylene (PTFE), 5 parts of powdered graphite, 10 parts of compatilizer, 8
The toughener of part and the mixing of 2 parts of auxiliary agent, are made mixture；
Two, the screw extruder that draw ratio is 38 under the conditions of 220 DEG C of temperature by the resulting mixture of step 1 squeezes out
Processing, obtains polylactic acid/polytetrafluoroethylene (PTFE) synthetic plastic；
Three, the preparation of conductive material:
In parts by weight by 45 parts of acrylic resin, 35 parts of copper powder, 12 parts of solvent, 8 parts of crosslinking agent, 5 parts
Coupling agent and 5 parts of toughener are mixed to prepare mixture, are added in reaction kettle, and mixing squeezes out under the conditions of temperature is 160 DEG C
The silver conductive adhesive that gross mass 18% is added during extrusion molding is added during extrusion molding, obtains conduction material for molding
Material；
Four, the conductive material for obtaining the resulting polylactic acid of step 2/polytetrafluoroethylene (PTFE) synthetic plastic and step 3, connection
On 3D printer, 3D printer used is double nozzle printing machines, by polylactic acid made from step 2/polytetrafluoroethylene (PTFE) synthesis modeling
Material is each led into conductive material made from step 3 at two spray heads, so that filamentary material is accessible to nozzle spray head preheating
Place, starting printer begin to the program automatic feed according to input, print the batten of long 120mm wide 9mm high 10mm, obtain electricity
Respond 4D printed material.
Five, electroresponse 4D printed material is connected into power supply, passes to 8V voltage, can produce the electric current of 0.2A or so, electroresponse
By swinging, that is, the actuating that is powered occurs for 4D printed material with electric current.
Embodiment 2: a kind of synthetic method of electroresponse 4D printed material follows the steps below:
One, the preparation of plastics:
In parts by weight by 30 parts of polylactic acid, 10 parts of polytetrafluoroethylene (PTFE), 3 parts of powdered graphite, 5 parts of compatilizer, 3
The toughener of -8 parts of part and the mixing of 1 part of auxiliary agent, are made mixture；
Two, the screw extruder that draw ratio is 36 under the conditions of 200 DEG C of temperature by the resulting mixture of step 1 squeezes out
Processing, obtains polylactic acid/polytetrafluoroethylene (PTFE) synthetic plastic；
Three, the preparation of conductive material:
In parts by weight by 30 parts of acrylic resin, 25 parts of copper powder, 10 parts of solvent, 5 parts of crosslinking agent, 3 parts
Coupling agent and 3 parts of toughener are mixed to prepare mixture, are added in reaction kettle, and mixing squeezes out under the conditions of temperature is 140 DEG C
The silver conductive adhesive of gross mass 30% is added during extrusion molding, obtains conductive material for molding；
Four, the conductive material for obtaining the resulting polylactic acid of step 2/polytetrafluoroethylene (PTFE) synthetic plastic and step 3, connection
On 3D printer, 3D printer used is double nozzle printing machines, by polylactic acid made from step 2/polytetrafluoroethylene (PTFE) synthesis modeling
Material is each led into conductive material made from step 3 at two spray heads, so that filamentary material is accessible to nozzle spray head preheating
Place, starting printer begin to the program automatic feed according to input, print the batten of long 120mm wide 9mm high 10mm, obtain electricity
Respond 4D printed material.
Five, electroresponse 4D printed material is connected into power supply, passes to 12V voltage, can produce the electric current of 0.3A or so, electroresponse
By swinging, that is, the actuating that is powered occurs for 4D printed material with electric current.
Embodiment 3: a kind of synthetic method of electroresponse 4D printed material follows the steps below:
One, the preparation of plastics:
In parts by weight by 45 parts of polylactic acid, 20 parts of polytetrafluoroethylene (PTFE), 10 parts of powdered graphite, 5 parts -10 parts compatible
Agent, 3 parts -8 parts of toughener and the mixing of 1 part -3 parts of auxiliary agent, are made mixture；
Two, the screw extruder that draw ratio is 44 under the conditions of 260 DEG C of temperature by the resulting mixture of step 1 squeezes out
Processing, obtains polylactic acid/polytetrafluoroethylene (PTFE) synthetic plastic；
Three, the preparation of conductive material:
In parts by weight by 50 parts of acrylic resin, 45 parts of copper powder, 15 parts of solvent, 8 parts of crosslinking agent, 6 parts
Coupling agent and 6 parts of toughener are mixed to prepare mixture, are added in reaction kettle, and mixing squeezes out under the conditions of temperature is 180 DEG C
The silver conductive adhesive of gross mass 20% is added during extrusion molding, obtains conductive material for molding；
Four, the conductive material for obtaining the resulting polylactic acid of step 2/polytetrafluoroethylene (PTFE) synthetic plastic and step 3, connection
On 3D printer, 3D printer used is double nozzle printing machines, by polylactic acid made from step 2/polytetrafluoroethylene (PTFE) synthesis modeling
Material is each led into conductive material made from step 3 at two spray heads, so that filamentary material is accessible to nozzle spray head preheating
Place, starting printer begin to the program automatic feed according to input, print the batten of long 120mm wide 9mm high 10mm, obtain electricity
Respond 4D printed material.
Five, electroresponse 4D printed material is connected into power supply, passes to 5V voltage, can produce the electric current of 0.1A or so, electroresponse
By swinging, that is, the actuating that is powered occurs for 4D printed material with electric current.
Claims (9)
1. a kind of synthetic method of electroresponse 4D printed material, it is characterised in that a kind of synthetic method of electroresponse 4D printed material
It follows the steps below:
One, the preparation of plastics:
In parts by weight by 30 parts -45 parts of polylactic acid, 10 parts of -20 parts of polytetrafluoroethylene (PTFE), 3 parts -10 parts of powdered graphite, 5 parts -
10 parts of compatilizer, 3 parts -8 parts of toughener and the mixing of 1 part -3 parts of auxiliary agent, are made mixture；
Two, the screw extruder for being 36-44 with draw ratio under the conditions of 200 DEG C -260 DEG C of temperature by the resulting mixture of step 1
Extrusion process obtains polylactic acid/polytetrafluoroethylene (PTFE) synthetic plastic；
Three, the preparation of conductive material:
In parts by weight by 30 parts -50 parts of acrylic resin, 25 parts -45 parts of copper powder, 10 parts -15 parts of solvent, 5 parts -8 parts
Crosslinking agent, 3 parts -6 parts of coupling agent and 3 parts -6 parts of toughener be mixed to prepare mixture, be added in reaction kettle, in temperature
Extrusion molding is mixed under the conditions of being 140-180 DEG C, the silver conductive adhesive of gross mass 15%-30% is added during extrusion molding,
Obtain conductive material；Wherein the solvent is ethylene glycol, dimethylformamide or acetone；
Four, the conductive material for obtaining the resulting polylactic acid of step 2/polytetrafluoroethylene (PTFE) synthetic plastic and step 3, is connected to 3D
On printer, 3D printer used is double nozzle printing machines, by polylactic acid made from step 2/polytetrafluoroethylene (PTFE) synthetic plastic with
Conductive material made from step 3 is each led at two spray heads, starting printer begin to according to input program automatically into
Material, prints the batten of long 120mm wide 9mm high 10mm, obtains electroresponse 4D printed material.
2. a kind of synthetic method of electroresponse 4D printed material according to claim 1, it is characterised in that described in step 1
Compatilizer is PPO, nylon or polycarbonate.
3. a kind of synthetic method of electroresponse 4D printed material according to claim 1, it is characterised in that described in step 1
Toughener is ethylene butyl acrylate, ethylene vinyl acetate or haloflex.
4. a kind of synthetic method of electroresponse 4D printed material according to claim 1, it is characterised in that described in step 1
Auxiliary agent is the mixture of antioxidant, light stabilizer, heat stabilizer and copper powder composition, the antioxidant, light stabilizer, heat stabilizer
It is 3:3:3:1 with copper powder weight ratio.
5. a kind of synthetic method of electroresponse 4D printed material according to claim 1, it is characterised in that described in step 3
Crosslinking agent is 2,5- dimethyl -2,5 di-t-butyl hexane peroxide, 2- phenylimidazole or 2 isopropyl imidazole.
6. a kind of synthetic method of electroresponse 4D printed material according to claim 1, it is characterised in that described in step 3
Coupling agent is zirconium class coupling agent, magnesium class coupling agent or silane coupling agent.
7. a kind of synthetic method of electroresponse 4D printed material according to claim 1, it is characterised in that described in step 3
Coupling agent is Silane coupling agent KH550.
8. a kind of synthetic method of electroresponse 4D printed material according to claim 1, it is characterised in that described in step 3
Toughener is liquid nitrile rubber, polyvinyl alcohol contracting first hexanal or 302 polyester.
9. a kind of synthetic method of electroresponse 4D printed material according to claim 1, it is characterised in that described in step 3
The operating process of mixing extrusion molding is as follows under the conditions of temperature is 140-180 DEG C: being heated up with the heating rate of 30-35 DEG C/min
To 140 DEG C, 90min-120min is kept, 160 DEG C is warming up to the heating rate of 35-45 DEG C/min, 90min is kept, with 45-50
DEG C/heating rate of min is warming up to 180 DEG C, keep 60min.
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| CN201710791198.3A CN107501826B (en) | 2017-09-05 | 2017-09-05 | A kind of synthetic method of electroresponse 4D printed material |
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| CN201710791198.3A CN107501826B (en) | 2017-09-05 | 2017-09-05 | A kind of synthetic method of electroresponse 4D printed material |
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| CN107501826B true CN107501826B (en) | 2019-08-13 |
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| CN108283570B (en) * | 2018-02-07 | 2020-02-28 | 大连交通大学 | 4D printing method for regulating and controlling rigidity of lower limb exoskeleton robot |
| CN108587136B (en) * | 2018-05-16 | 2020-09-01 | 哈尔滨工业大学 | Photoresponse 4D printing material and printing method thereof |
| CN112936853B (en) * | 2021-01-29 | 2022-07-15 | 哈尔滨工业大学 | 4D printing structure for improving load deformation performance and design method thereof |
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