CN106945212B - A kind of casting process method for assembling calcium alginate hydrogel CAH artificial-muscle - Google Patents
A kind of casting process method for assembling calcium alginate hydrogel CAH artificial-muscle Download PDFInfo
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- CN106945212B CN106945212B CN201710109925.3A CN201710109925A CN106945212B CN 106945212 B CN106945212 B CN 106945212B CN 201710109925 A CN201710109925 A CN 201710109925A CN 106945212 B CN106945212 B CN 106945212B
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- coating solution
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- muscle
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Classifications
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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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
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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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/12—Making multilayered or multicoloured articles
- B29C39/123—Making multilayered articles
-
- 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
Abstract
The present invention provides a kind of casting process method for assembling calcium alginate hydrogel CAH artificial-muscle, using direct casting, directly by electric actuation coating solution and electrode coating solution, and the new assembly technique that is mutually cast on surface layer each other；Specifically: preparing the electrode coating solution of CAH artificial-muscle, juxtaposition is dried in a vacuum drying oven, and relevant parameter is arranged；Electric actuation coating solution is prepared, it is slowly poured and is cast from sticky electrode film, and is put into vacuum oven dry, setting relevant parameter；Electrode coating solution is prepared again, it is uniformly poured and is cast from sticky electric actuation film surface, and is put into vacuum oven and is dried, and relevant parameter is set；After three layers of casting coating solution in vacuum oven in mold are completely dried film forming, take out and cut.Direct pouring process of the invention, easy to operate, function admirable improve the response performance and stability of CAH artificial-muscle entirety.
Description
Technical field
The present invention relates to a kind of casting process method more particularly to a kind of assembly calcium alginate hydrogel CAH artificial-muscles
Casting process method.
Background technique
Calcium alginate hydrogel (calcium alginate hydrogel, CAH) is that one kind can change under electric excitation
The novel intelligent material of own form and size is widely applied in fields such as bionical manufactures.CAH artificial-muscle is
It is made of a piece of electric actuation film and two panels electrode film, two panels electrode film is respectively overlay in the two sides of electric actuation film, and fitting forms class
Like the electric actuator of " sandwich " structure.The electric actuator prepared by CAH artificial-muscle, application value have been subjected to both at home and abroad
The common concern of experts and scholars.The key factor of one influence CAH artificial-muscle response performance quality, exactly assembles it
Process.Currently, the assembly method about CAH artificial-muscle is all limited to the qualification of operator, directly result in
Its Whole Response performance is weaker and unstable.Therefore, a kind of simple and stable of research and probe, function admirable assembly technology side
Method has substantial worth using CAH artificial-muscle to further excavate.
" Ionics " periodical, " the Investigation into the actuating properties of 2015 Published in China Pharmacy
One kind is applied in of ionic polymer metal composites using various electrolytes " article
The assembly technique of hot pressing fitting directly carries out the hot pressing of mechanical-physical formula using hot press to electrode film and electric actuation film
Fitting assembly, to guarantee that the assembly under certain temperature is completed.But the electric actuator success rate after molding assembly is low, response
Performance is weaker and unstable.
Summary of the invention
The purpose of the invention is to provide a kind of casting process side for assembling calcium alginate hydrogel CAH artificial-muscle
Method, easy to operate, assembly efficiency is high, is affected by human factors smaller, and can promote the response performance of CAH artificial-muscle and steady
It is qualitative.
The object of the present invention is achieved like this: step 1: pouring into the calcium alginate water-setting prepared in drying die
The electrode coating solution of glue CAH artificial-muscle；
Step 2: the drying die for filling electrode coating solution is placed in a vacuum drying oven, setting parameter: drying temperature is
60 DEG C, drying time is 5h, is dried sticky down to electrode coating solution；
Is cast from step 3: the electric actuation coating solution of the calcium alginate hydrogel CAH artificial-muscle prepared is slowly poured
On the sticky electrode film that two steps obtain, until surface layer is uniform；
Step 4: the drying die for the Sheng electric actuation coating solution that third step obtains is placed in a vacuum drying oven, and it is arranged
Parameter: it is molten down to the electric actuation film on surface layer to carry out vacuum drying by 60 DEG C of drying temperature, vacuum degree -0.09MPa, drying time 17h
Liquid is sticky；
Step 5: preparing the electrode coating solution of calcium alginate hydrogel CAH electric actuator again, and it is slowly poured and is cast from
In the obtained sticky electric actuation film surface of 4th step, until uniformly；
Step 6: the drying die for being cast with electrode coating solution that the 5th step obtains is placed again into vacuum oven,
And parameter is arranged: temperature 60 C, time 7h are dried so that the electrode coating solution on most surface layer is completely dried, form film；
Step 7: taking out and being cut, in turn after three layers of casting coating solution in mold to be dried are completely dried film forming
Acquisition meets size and performance stabilization, consistent calcium alginate hydrogel CAH artificial-muscle.
Compared with prior art, the beneficial effects of the present invention are: for assembly calcium alginate hydrogel CAH artificial-muscle
Process, that is, directly by electric actuation coating solution and electrode coating solution, is mutually cast on surface layer each other using direct casting
New assembly technique.This can be reduced to the maximum extent in the assembling process of CAH artificial-muscle, and human factor rings it
Answer the de-stabilising effect of performance.Different from traditional hot pressing attaching process, direct casting is by electric actuation film and electrode film
The assembling process of drying and forming-film and CAH artificial-muscle is grouped together, and realizes film forming and assembly is completed at the same time, and then improve
Assembly efficiency.Meanwhile the process eliminates film generated secondary stress during artificial fitting, and reduce due to
Response performance difference caused by assembly asymmetry.Direct pouring process of the invention, easy to operate, function admirable mention
The response performance and stability of CAH artificial-muscle entirety are risen.
Detailed description of the invention
Fig. 1 is assembly technology flow chart of the invention；
Fig. 2 is calcium alginate hydrogel CAH artificial-muscle structure chart of the invention.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing.
The casting process flow chart of a kind of assembly CAH artificial-muscle of the invention, as shown in Figure 1, mainly by preparing electrode
Coating solution, freeze-day with constant temperature judge surface layer viscosity, prepare electric actuation coating solution, surface layer casting, be dried in vacuo, cut after film forming
Seven steps such as molding are completed.CAH artificial-muscle is made of a piece of electric actuation film and two panels electrode film, as shown in Fig. 2, two plate electrodes
Film 1 is respectively overlay in the two sides of electric actuation film 2, and fitting forms the electric actuator for being similar to " sandwich " structure.
Casting bottom electrode layer, the electrode coating solution of the CAH artificial-muscle prepared is slowly poured into drying die,
It is put into vacuum oven and carries out freeze-day with constant temperature, parameter is set are as follows: temperature 60 C, drying time 5h.The drying temperature and CAH are artificial
The preparation temperature of the electrode coating solution of muscle keeps identical, and adjusts the drying time of electrode layer, at the electrode layer after making drying
In sticky leather hard, i.e., when electrode layer surface is still deadlocked wet but inclination drying die, electrode coating solution no longer occurs
Flowing.The electrode layer of sticky leather hard will not be broken up by the electric actuation layer solution that will be cast, and will not gradually be occurred with it
The Swelling mutually merged causes to cast intermediate electric actuation layer in next step after completing vacuum drying, can successfully realize bright
Aobvious film layered structure.
Electric actuation layer among casting slowly, equably pours the electric actuation coating solution of the CAH artificial-muscle prepared in advance
It casts on the electrode film in sticky leather hard, it is unsuitable too fast to pay attention to casting rate, in order to avoid it is corrupted to electrode film layer.It will cast
Complete drying die is put into vacuum oven, and parameter is arranged: temperature 60 C, vacuum degree -0.09MPa, time 17h, is carried out
Vacuum drying.The drying temperature is identical as the preparation temperature holding of electric actuation coating solution of CAH artificial-muscle, and adjusts electric actuation
The drying time of layer keeps the electric actuation layer surface after the completion of drying half-dried sticky.The vacuum degree of vacuum oven is set herein, is made
It obtains and forms negative pressure in drying box, cause the bubble being dispersed in electric actuation coating solution, gradually float and finally rupture molten
Liquid surface, so that the inside of casting electric actuation layer is uniform, smooth surface, Whole Response function admirable.
Casting top electrode layer, the electrode coating solution of the CAH artificial-muscle prepared in advance is slowly poured cast from glue again
On wet electric actuation film, be then placed in and carry out last freeze-day with constant temperature processing in vacuum oven, and parameter is set are as follows: temperature
Spend 60 DEG C, drying time 7h.Preparation temperature of the drying temperature equally with the electrode coating solution of CAH artificial-muscle is consistent,
And its drying time is adjusted, enable top electrode layer to be completely dried film forming, and then successfully realize artificial-muscle electric actuator
Film layered structure.
To which in vacuum oven, the coating solution of three layers of casting takes out and cuts after being completely dried film forming in drying die
Molding, and then obtain meeting the stable CAH artificial-muscle of size, performance.
Concrete operating principle of the invention: direct casting can mutually pour electric actuation coating solution and electrode coating solution
It casts on mutual surface, due to the mobility of liquid, two kinds of coating solutions are filled with mutually the small rut on surface layer each other, so that electric
Actuation membrane reaches with electrode film surface to be agreed with to the greatest extent, internal stress caused by reducing because of assembly.CAH artificial muscle simultaneously
The entire assembling process of meat, it is adjoint during the drying and moulding of coating solution, to realize the inside membrane structure of artificial-muscle
It is completely embedded each other, further enhances its whole actuating performance.
Main process steps of the invention, which are more briefly described, is:
(1) the electrode coating solution for preparing CAH artificial-muscle, is accurately smoothly poured into drying die；
(2) drying die for filling electrode coating solution is placed in a vacuum drying oven, and parameter is set: temperature 60 C, when
Between 5h, be dried so that electrode coating solution is sticky；
(3) the electric actuation coating solution of CAH artificial-muscle is prepared, the drying for filling electrode coating solution in vacuum oven is taken out
Mold, and then electric actuation coating solution is slowly poured and is cast from sticky electrode film, cause surface layer uniform；
(4) drying die for containing electric actuation coating solution is placed in a vacuum drying oven, and parameter is set: is temperature 60 C, true
Reciprocal of duty cycle -0.09MPa, time 17h are dried in vacuo so that the electric actuation coating solution on surface layer is sticky；
(5) it takes out in vacuum oven by the drying die of casting electric actuation coating solution, prepares CAH electric actuator again
Electrode coating solution, and then it is slowly poured and is cast from sticky electric actuation film surface, caused uniform；
(6) drying die for being cast with electrode coating solution is placed again into vacuum oven, and parameter is set: temperature 60
DEG C, time 7h, be dried so that the electrode coating solution on most surface layer is completely dried, cause film forming；
(7) it after three layers of casting coating solution are completely dried film forming in mold in vacuum oven, takes out and is cut, into
And it obtains and meets size and performance stabilization, consistent CAH artificial-muscle.
Claims (1)
1. a kind of casting process method for assembling calcium alginate hydrogel CAH artificial-muscle, it is characterised in that: including walking as follows
It is rapid:
Step 1: pouring into the electrode coating solution of the calcium alginate hydrogel CAH artificial-muscle prepared in drying die；
Step 2: the drying die for filling electrode coating solution is placed in a vacuum drying oven, parameter is arranged: drying temperature is 60
DEG C, drying time is 5h, is dried sticky down to electrode coating solution；
Second step is cast from step 3: the electric actuation coating solution of the calcium alginate hydrogel CAH artificial-muscle prepared is slowly poured
On obtained sticky electrode film, until surface layer is uniform；
Step 4: the drying die for the Sheng electric actuation coating solution that third step obtains is placed in a vacuum drying oven, and parameter is set:
It is viscous down to the electric actuation coating solution on surface layer to carry out vacuum drying by 60 DEG C of drying temperature, vacuum degree -0.09MPa, drying time 17h
It is thick；
Step 5: preparing the electrode coating solution of calcium alginate hydrogel CAH electric actuator again, and it is slowly poured and casts from the 4th
It walks in obtained sticky electric actuation film surface, until uniformly；
Step 6: the drying die for being cast with electrode coating solution that the 5th step obtains is placed again into vacuum oven, and set
Set parameter: temperature 60 C, time 7h are dried so that the electrode coating solution on most surface layer is completely dried, form film；
Step 7: taking out and being cut after three layers of casting coating solution in mold to be dried are completely dried film forming, and then obtain
Meet size and performance stabilization, consistent calcium alginate hydrogel CAH artificial-muscle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710109925.3A CN106945212B (en) | 2017-02-28 | 2017-02-28 | A kind of casting process method for assembling calcium alginate hydrogel CAH artificial-muscle |
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| CN201710109925.3A CN106945212B (en) | 2017-02-28 | 2017-02-28 | A kind of casting process method for assembling calcium alginate hydrogel CAH artificial-muscle |
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| CN106945212A CN106945212A (en) | 2017-07-14 |
| CN106945212B true CN106945212B (en) | 2019-06-21 |
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| CN109334031B (en) * | 2018-08-10 | 2020-06-16 | 哈尔滨工程大学 | Experimental drying die for assembling calcium alginate hydrogel artificial muscle |
| CN112644016B (en) * | 2020-12-11 | 2023-03-28 | 东北电力大学 | Construction method of natural amphiprotic biomass gel artificial muscle device |
| CN115960396B (en) * | 2022-12-01 | 2023-06-30 | 东北电力大学 | Preparation method and electric drive control method of bionic artificial muscle bundling structure |
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| AU2003254887A1 (en) * | 2002-08-09 | 2004-02-25 | Eamex Corporation | Process for producing conductive polymer |
| US7482381B2 (en) * | 2003-03-19 | 2009-01-27 | Sylvia Daunert | Artificial muscle hydrogel blends reversibly electroactuated near neutral pH, implantable actuating devices, and methods using the same |
| CN102201532B (en) * | 2010-03-26 | 2014-04-23 | 清华大学 | Electric actuating material and electric actuating element |
| CN106426099A (en) * | 2016-10-31 | 2017-02-22 | 清华大学 | Electrically driven artificial muscle and preparation method thereof |
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