CN109671250A - A kind of nano combined smart membranes driver of deformation discoloration paper base of thorniness stimulus response, preparation method and application - Google Patents
A kind of nano combined smart membranes driver of deformation discoloration paper base of thorniness stimulus response, preparation method and application Download PDFInfo
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- CN109671250A CN109671250A CN201910054104.3A CN201910054104A CN109671250A CN 109671250 A CN109671250 A CN 109671250A CN 201910054104 A CN201910054104 A CN 201910054104A CN 109671250 A CN109671250 A CN 109671250A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/20—Status alarms responsive to moisture
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
- D21H19/824—Paper comprising more than one coating superposed two superposed coatings, both being non-pigmented
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/18—Paper- or board-based structures for surface covering
- D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D7/00—Indicating measured values
- G01D7/02—Indicating value of two or more variables simultaneously
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
Abstract
A kind of nano combined smart membranes driver of deformation discoloration paper base of thorniness stimulus response, preparation method and application, are related to flexible intelligent thin film driver technical field.It is made of paper layer, noble metal nanometer material layer and polymer film layer, noble metal nanometer material, which is coated uniformly in the single side surface of paper, forms paper and noble metal nanometer material composite conductive layers, and polymer film layer is coated in the noble metal nanometer material side of composite conductive layers；Driver occurs bending and deformation in the case where changing temperature, humidity and applying voltage condition；After adding appropriate heat discoloration powder, in the case where applying voltage or changing temperature conditions, color changes driver.The nano combined flexible feature of smart membranes driving implement of paper base of the invention, and in the case where applying environmental stimuli has many advantages, such as that deformation amplitude is big, fast response time.It can be applied to the fields such as electrostrictive flexible mechanical device, intelligent software mechanical arm, temperature-humidity monitoring alarm, artificial lenses.
Description
Technical field
The present invention relates to flexible intelligent thin film driver technical fields, are specifically related to a kind of deformation of thorniness stimulus response
Change colour the nano combined smart membranes driver of paper base, preparation method and application.
Background technique
The driving element being made of flexible intelligent material can occur specific under the environmental stimulis such as electricity, heat, chemistry, humidity
Response has many advantages, such as fast soft flexible, small in size, light weight, deformation and good environmental adaptability, thus is widely answered
For in the fields such as bio-robot, artificial muscle, sensor, intelligent switch.Electric drive is that wherein research is widest soft
One of property driver.There are three types of the main driving mechanisms of conventional flex electric drive: charge polarization displacement, Ion transfer and electric heating are swollen
It is swollen.The electric drive of charge polarization displacement mechanism needs high voltage (KV grades) to be driven, although and ionic electric drive is driven
Dynamic voltage is lower, but needs the wet environment of electrolyte, thus aerial deformation receives very big limitation.Electrothermal drive
Electric drive is lower since its operating voltage compares, energy work stable in the air, thus has obtained biggish hair at present
Exhibition.However conventional electric heating driver complex manufacturing technology, material cost is higher, and Response Mechanism is single, is unfavorable for driver
Extensive use.
Printing paper has various unique performances as a kind of low cost and generally existing paper base material, such as: biology
Compatibility and biodegradable ability, light, the availability etc. in flexible and global range, this is but also print paper becomes
Low cost, portable, the first choice of wearable and printable electronic product.Using these advantages, develop many based on paper
The application opened, including fuel cell, touch sensor, gas sensor and microfluid.It is largely based on although having developed
The equipment of paper, but only a few studies investigate sheet drive.
Solid-state dimethyl silicone polymer (polydimethyl siloxane, PDMS) is nontoxic, cheap, easy processing, optics
Transparent flexible resilient polymer material, while there is larger thermal expansion coefficient.
It is high for the driving voltage of conventional flex driver, risk with higher, complex manufacturing technology, material cost
It is higher, and a series of disadvantages such as Response Mechanism is single, the appearance of the paper base combo drive of the application preparation are then expected to above-mentioned
It has breakthrough in problem.The preparation process of paper base combo drive is simple, cheap, solves the above problem.Paper simultaneously
It is good Ecosystem environmental protection material with biodegradability.
Summary of the invention
To solve the above problems, the present invention proposes that a kind of deformation discoloration nano combined intelligence of paper base of thorniness stimulus response is thin
Film driver, preparation method and application, the nano combined smart membranes driver of the paper base have structure simple, preparation process letter
Singly, the advantages that low in cost, is suitable for large-scale production and application.
To achieve the goals above, the technical scheme adopted by the invention is as follows: a kind of deformation discoloration of thorniness stimulus response
The nano combined smart membranes driver of paper base, is made of, noble metal paper layer, noble metal nanometer material layer and polymer film layer
Nano material, which is coated uniformly in the single side surface of paper, forms paper and noble metal nanometer material composite conductive layers, polymer film layer
Noble metal nanometer material side coated in composite conductive layers；Polymer material in the polymer film layer has thermal expansion
With optical clear performance；The thickness of paper layer, noble metal nanometer material layer and polymer film layer be followed successively by 20-150 μm,
0.5-50 μm,60-1000 μm；Driver occurs bending and deformation in the case where changing temperature, humidity and applying voltage condition；Poly-
It closes after adding appropriate heat discoloration powder in object film layer, in the case where applying voltage or changing temperature conditions, color occurs driver
Change.
Preferred skill as the deformation discoloration nano combined smart membranes driver of paper base that thorniness stimulus of the invention responds
Art scheme, the polymer material in the polymer film layer be polydimethylsiloxane, aliphatic aromatic randomly altogether
Polyester Ecoflex.Noble metal nanometer material in the noble metal nanometer material layer is nanowires of gold, gold nano grain, Yin Na
Rice noodles, silver nano-grain, Pt nanoparticle, Pt nanowires, copper nano particles, copper nano-wire.
The deformation discoloration nano combined smart membranes driver of paper base of thorniness stimulus response of the invention, is increasing environmental wet
In the case where degree, the paper layer moisture absorption of driver is expanded, and driver is to occur to subtract towards the deformation of polymer film layer side
Then deformation is contrary for small humidity, and deformation process is reversible；In the case where increasing ambient temperature situations, the polymer film layer of driver
Heated to expand, driver is to occur towards the deformation of paper layer side, and reducing temperature, then deformation is contrary, and deformation process
It is reversible；In the case where applying DC voltage, through electric-thermal-machinery under the action of unsymmetric structure couples, controllable bending is generated
Song deformation removes voltage deformation and disappears, driver returns to shape to paper layer curving.Composite intelligent of the invention
Thin film driver only needs small voltage (≤10V), and only needs DC voltage, is driven without high voltage (KV grades).
In addition, the sensitivity of the driver deformation is changed by regulation polymer film layer and paper layer thickness than realizing.Paper
The commercial paper of all size specification, color can be used, paper sheet thickness is 20-150 μm, such as printing paper, filter paper are equal
It can.In preparation process, by changing the usage amount of polymer material and the revolving speed of spin coating, time and rotation number, so that finally
Polymer film layer with a thickness of 60-1000 μm.
The method of the deformation discoloration nano combined smart membranes driver of paper base for preparing the response of thorniness stimulus of the invention, step
It is rapid as follows:
1) paper and noble metal nanometer material composite conductive layers of conductive energy are prepared:
Noble metal nanometer material is coated in the unilateral side of paper by silk-screen printing or manual mode；
2) mixed with polymers liquid is prepared:
Polymer material and crosslinking agent are mixed into mixed liquor with the mass ratio of 10:1, according to quality than mixed liquor: heat discoloration
Powder=3-20:0-1 adds heat discoloration powder, stirs 30 min, is placed in spare after vacuum environment bubble removing；
3) the preparation deformation discoloration nano combined smart membranes driver of paper base:
The mixed with polymers liquid for removing bubble is spin-coated on to the noble metal nano material of paper Yu noble metal nanometer material composite conductive layers
Expect side, be heating and curing, to obtain the deformation discoloration nano combined smart membranes driver of paper base of thorniness stimulus response.
Solidification temperature is 40-120 DEG C in the step 3), and curing time is adjusted with solidification temperature, and the lower solidification of temperature is applied
Add longer, curing time is generally 1-24h.
The deformation discoloration nano combined smart membranes driver of paper base of thorniness stimulus response of the invention, the main table of advantage
Present: under voltage drive condition, driving voltage is very low, is less than 10V, and is direct current；Wet, temperature changes lower driving spirit more
It is quick, in the case where increasing wet, temperature, can respond rapidly.And under electricity, thermal drivers and humidity driving stimulation, it can produce
The bending deformation of raw different directions, and fast response time.In addition, the deformation discoloration paper base that thorniness stimulus of the invention responds is received
Rice composite intelligent thin film driver is under low-voltage (≤10V) stimulation, and generating controllable bending deformation, (deformation angle is reachable
270 °).Simultaneously under the driving of humidity, fast response time, deformation degree is big.
The deformation discoloration nano combined flexible feature of smart membranes driving implement of paper base of thorniness stimulus response of the invention,
And in the case where applying environmental stimuli, with deformation amplitude is big, fast response time, mechanical property are good, required voltage is low, controllable
Property it is good, environmentally protective, highly-safe, stability is good the advantages that, and preparation process is simple, low in cost, is suitable for large-scale production
And application.Can be applied to electrostrictive flexible mechanical device, intelligent software mechanical arm, temperature-humidity monitoring alarm, it is artificial thoroughly
The fields such as mirror.
As a kind of concrete application of composite intelligent thin film driver, temperature-humidity monitoring alarm using relatively broad,
The monitoring sensitivity of temperature, humidity can be adjusted according to monitoring environmental demand, when temperature and humidity is more than safe range, alarm lamp point
It does not show, reminds user, the temperature or humidity of timely Regulate Environment.It is mainly by two contact electrodes, drivers, temperature
Early-warning lamp, humidity early-warning lamp and power supply composition, two contact electrodes are placed in the two sides in the driver being vertically arranged, a contact
Parallel relationship is formed with another contact electrode and humidity early-warning lamp being connected in series again after electrode and temperature pre-warning lamp string connection；Driving
The polymer film layer direction of device and the concatenated contact electrode side of humidity early-warning lamp, the paper layer direction and temperature pre-warning of driver
The concatenated contact electrode side of lamp.
When temperature or humidity are more than safety value in monitoring environment, because epidemic disaster early-warning lamp color difference is to respectively
Provide different alarms；Ambient humidity increase when, driver towards polymer film layer curving, i.e., to humidity early warning
The concatenated contact electrode curving of lamp, until the contact electrode is touched in driver lower end, so that humidity early-warning lamp (blue) is normal
It is bright, remind staff to make counter-measure in time；Environment temperature increase when, driver towards paper layer curving, i.e., to
With the concatenated contact electrode curving of temperature pre-warning lamp, until driver lower end touches the contact electrode, so that temperature pre-warning
Lamp (red) is always on, and staff is reminded to make counter-measure in time.
In addition, the temperature and humidity monitoring range of temperature-humidity monitoring alarm can according to specific needs, by adjusting two
Contact the distance between electrode and driver make adjusting.The sensitivity of temperature-humidity monitoring alarm in regulation driver by gathering
Object film layer and paper layer thickness is closed to change than realizing.
Detailed description of the invention
Change colour with deformation of the attached drawing to thorniness stimulus response of the invention the nano combined intelligence of paper base with reference to embodiments
Thin film driver is described in further detail.
Fig. 1 is the scanning electron microscope diagram piece of printing paper.
Fig. 2 is the scanning electron microscope diagram piece that silver nano-grain is printed on printing paper.
Fig. 3 is the electron microscope picture of the nano combined smart membranes driver of paper base.
Fig. 4 is the deformation nano combined smart membranes driver of discoloration paper base by electricity, heat, humidity response deformation process.
Fig. 5 is the cyclical stability rate test result figure of the deformation discoloration nano combined smart membranes driver of paper base.
Fig. 6 is ARTIFICIAL EYELID and its zoom schematic diagram based on the smart membranes driver.
Fig. 7 is the schematic diagram of the temperature-humidity monitoring alarm based on the smart membranes driver.
Specific embodiment
Embodiment 1
The business A4 printing paper with a thickness of 92 μm is chosen, in the silver that the side silk-screen printing silver nano-grain of A4 printing paper disperses
Glue (thickness control is 15 μm), forms the printing paper composite layer of conductive matter after dry.Take 5 gPDMS's and 0.5 g
The mixing of PDMS crosslinking agent places 0.5 h of bubble removing under vacuum conditions after stirring 30 minutes.Surface is attached with printing paper to answer
The glass substrate for closing layer is fixed on spin coater turntable, by the PDMS mixture drop coating after removing bubble in silver nano-grain conduction
On layer, and with two step of the revolving speed s of 1000 rpm × 15 and 2000 rpm × 20 s carry out whirl coating, control PDMS layer with a thickness of 500
μm.The good glass substrate of spin coating is removed from console, is placed on horizontal heating platform, is taken after 60 DEG C of 10 h of solidification
Under, the composite membrane of preparation is removed from glass substrate, to obtain the nano combined smart membranes driver of paper base.
Fig. 1 is the scanning electron microscope diagram piece of printing paper.The picture shows that paper has good ordered fiber structure,
This structure is conducive to preferably generate deformation under the stimulation of humidity and temperature.
Fig. 2 is the scanning electron microscope diagram piece that silver nano-grain is printed on printing paper.The picture shows noble metal nano
Particle forms fine and close conductive layer in paper surface, so as to generate the stable conductive heater circuit of performance, to two sides
Paper and polymer composite layer carry out heating stimulation.
Fig. 3 is the electron microscope picture of the nano combined smart membranes driver of paper base.It can see by the picture multiple
It closes film and layer structure is presented in section part.Wherein silver nano-grain is middle layer, and upper layer is PDMS layer, and lower layer is printing paper layer.
Fig. 4 is the deformation nano combined smart membranes driver of discoloration paper base by electricity, heat, humidity response deformation process.?
Ambient humidity 71%, under the voltage of 4V, driver reaches 271.6 ° towards printing paper curving, deformation angle.In environment temperature 18
DEG C, increase air humidity, driver is to PDMS lateral bend.Deformation angle is when relative humidity is 90% up to 226.4 °.
Fig. 5 is the cyclical stability rate test result figure of the deformation discoloration nano combined smart membranes driver of paper base.This is aobvious
Show reciprocal transformation curve of the deformation discoloration nano combined smart membranes driver of paper base under the stimulation of cyclical voltage, it was demonstrated that
Deformation cycle stability of the smart membranes driver under outside stimulus.
Fig. 6 is ARTIFICIAL EYELID and its zoom schematic diagram based on the smart membranes driver.It can be by driver of the invention
Ring-type is made, and is assemblied in artificial lenses component, by applying voltage to driver or removing voltage, realizes driver
Deformation is to achieve the purpose that artificial zoom.
Fig. 7 is the schematic diagram of the temperature-humidity monitoring alarm based on the smart membranes driver.Temperature-humidity monitoring alarm
It is mainly made of two contact electrodes, driver, temperature pre-warning lamp, humidity early-warning lamp and power supply, two contact electrodes are placed in and are in
The two sides for the driver being vertically arranged, a contact electrode contact electricity after joining with temperature pre-warning lamp string with another being connected in series again
Pole and humidity early-warning lamp form parallel relationship；Polymer film layer direction and the concatenated contact electrode of humidity early-warning lamp of driver
Side, paper layer direction and the concatenated contact electrode side of temperature pre-warning lamp of driver.
Temperature and humidity be more than safe range when, alarm lamp is shown respectively, remind user, the temperature of timely Regulate Environment or
Person's humidity.When temperature or humidity are more than safety value in monitoring environment, given respectively because of epidemic disaster early-warning lamp color difference
Different alarm out；Ambient humidity increase when, driver towards polymer film layer curving, i.e., to humidity early-warning lamp
Concatenated contact electrode curving, until the contact electrode is touched in driver lower end, so that humidity early-warning lamp (blue) is always on,
Staff is reminded to make counter-measure in time；When environment temperature increases, driver is towards paper layer curving, i.e. Xiang Yuwen
The concatenated contact electrode curving of early-warning lamp is spent, until the contact electrode is touched in driver lower end, so that temperature pre-warning lamp is (red
Color) it is always on, remind staff to make counter-measure in time.
In addition, the temperature and humidity monitoring range of temperature-humidity monitoring alarm can according to specific needs, by adjusting two
Contact the distance between electrode and driver make adjusting.The sensitivity of temperature-humidity monitoring alarm in regulation driver by gathering
Object film layer and paper layer thickness is closed to change than realizing.
Embodiment 2
The business A4 printing paper with a thickness of 110 μm is chosen, in the conduction that the side silk-screen printing nanowires of gold of A4 printing paper is dispersed
Ink (thickness control is 5 μm), forms the printing paper composite layer of conductive matter after dry.Take 5 gPDMS's and 0.5 g
Then the mixing of PDMS crosslinking agent adds the heat discoloration powder of 0.5 g, is uniformly mixed after stirring 30 minutes, be placed on true
0.5 h of bubble removing under empty condition.The glass substrate that surface is attached with printing paper composite layer is fixed on spin coater turntable, will be removed
PDMS- heat discoloration powder mixture drop coating after removing bubble is on nanowires of gold conductive layer, and with revolving speed 1000 rpm × 15 s
With two step of the s of 2000 rpm × 20 carry out whirl coating, control PDMS layer with a thickness of 950 μm.By the good glass substrate of spin coating from control
It removes, is placed on horizontal heating platform on platform processed, removed after 100 DEG C of 5 h of solidification, by the composite membrane of preparation from glass substrate
Upper removing, to obtain the nano combined smart membranes driver of paper base.
The driver occurs bending and deformation in the case where changing temperature, humidity and applying voltage condition, meanwhile, driver is being applied
Making alive changes under temperature conditions, and because of the presence of temperature sensing material, the color of driver will change.Increasing environmental wet
In the case where degree, the paper layer moisture absorption of driver is expanded, and driver is to occur to subtract towards the deformation of polymer film layer side
Then deformation is contrary for small humidity, and deformation process is reversible；In the case where increasing ambient temperature situations, the polymer film layer of driver
Heated to expand, driver is to occur towards the deformation of paper layer side, and reducing temperature, then deformation is contrary, and deformation process
It is reversible；In the case where applying DC voltage, through electric-thermal-machinery under the action of unsymmetric structure couples, controllable bending is generated
Song deformation removes voltage deformation and disappears, driver returns to shape to paper layer curving.
Embodiment 3
The filter paper with a thickness of 110 μm is chosen, in the copper glue (thickness control that the side silk-screen printing copper nano particles of filter paper disperse
It is 20 μm), the filter paper composite layer of conductive matter is formed after dry.Take 5 g aliphatic aromatic atactic polyesters
Ecoflex is mixed with the Ecoflex crosslinking agent of 0.5 g, after stirring 30 minutes, places 1 h of bubble removing under vacuum conditions.By table
The glass substrate that face is attached with filter paper composite layer is fixed on spin coater turntable, and the Ecoflex mixture after removing bubble is dripped
It is coated on copper nano particles conductive layer, and whirl coating, control is carried out with two step of the revolving speed s of 1000 rpm × 15 and 2000 rpm × 20 s
Ecoflex layers processed with a thickness of 100 μm.The good glass substrate of spin coating is removed from console, is placed on horizontal heated flat
On platform, removes, the composite membrane of preparation is removed from glass substrate, so that it is nano combined to obtain paper base after 110 DEG C of 15 h of solidification
Smart membranes driver.
The driver occurs bending and deformation in the case where changing temperature, humidity and applying voltage condition.Increasing ambient humidity
In the case where, the paper layer moisture absorption of driver expands, and driver is to occur to reduce towards the deformation of polymer film layer side
Then deformation is contrary for humidity, and deformation process is reversible；In the case where increasing ambient temperature situations, the polymer film layer of driver by
Heat expands, and driver is to occur towards the deformation of paper layer side, and reducing temperature, then deformation is contrary, and deformation process can
It is inverse；In the case where applying DC voltage, through electric-thermal-machinery under the action of unsymmetric structure couples, controlled deflection is generated
Deformation removes voltage deformation and disappears, driver returns to shape to paper layer curving.
The above content is just an example and description of the concept of the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Design or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (10)
- The nano combined smart membranes driver of paper base 1. a kind of deformation of thorniness stimulus response changes colour, it is characterised in that: by paper layer, Noble metal nanometer material layer and polymer film layer composition, noble metal nanometer material are coated uniformly on shape in the single side surface of paper At paper and noble metal nanometer material composite conductive layers, polymer film layer is coated in the noble metal nanometer material one of composite conductive layers Side；Polymer material in the polymer film layer has thermal expansion and optical clear performance；Paper layer, noble metal nanometer material The thickness of layer and polymer film layer is followed successively by 20-150 μm, 0.5-50 μm, 60-1000 μm；Driver is changing temperature It occurs bending and deformation under degree, humidity and application voltage condition；After adding appropriate heat discoloration powder in polymer film layer, drive In the case where applying voltage or changing temperature conditions, color changes dynamic device.
- The nano combined smart membranes driver of paper base 2. the deformation of thorniness stimulus response as described in claim 1 changes colour, it is special Sign is: the polymer material in the polymer film layer is that polydimethylsiloxane, aliphatic aromatic are randomly total Polyester Ecoflex.
- The nano combined smart membranes driver of paper base 3. the deformation of thorniness stimulus response as described in claim 1 changes colour, it is special Sign is: noble metal nanometer material in the noble metal nanometer material layer be nanowires of gold, gold nano grain, silver nanowires, Silver nano-grain, Pt nanoparticle, Pt nanowires, copper nano particles, copper nano-wire.
- The nano combined smart membranes driver of paper base 4. the deformation of thorniness stimulus response as described in claim 1 changes colour, it is special Sign is: in the case where increasing ambient humidity, the paper layer moisture absorption of driver is expanded, and driver is to occur towards polymerization The side deformation of object film layer, reducing humidity, then deformation is contrary, and deformation process is reversible；In the case where increasing ambient temperature situations, The polymer film layer of driver is heated to be expanded, and driver is to occur to reduce temperature then shape towards the deformation of paper layer side Change direction on the contrary, and deformation process it is reversible；In the case where application≤10V DC voltage, by electric-thermal-machinery asymmetric Under the action of structure Coupling, controlled deflection deformation is generated, to paper layer curving, voltage deformation is removed and disappears, driver restores To original shape.
- The nano combined smart membranes driver of paper base 5. the deformation of thorniness stimulus response as claimed in claim 4 changes colour, it is special Sign is: the sensitivity of driver deformation is changed by regulation polymer film layer and paper layer thickness than realizing.
- 6. a kind of deformation discoloration nano combined smart membranes of paper base for preparing the thorniness stimulus as described in claims 1 or 2 or 3 and responding The method of driver, it is characterised in that steps are as follows:1) paper and noble metal nanometer material composite conductive layers of conductive energy are prepared:Noble metal nanometer material is coated in the unilateral side of paper by silk-screen printing or manual mode；2) mixed with polymers liquid is prepared:Polymer material and crosslinking agent are mixed into mixed liquor with the mass ratio of 10:1, according to quality than mixed liquor: heat discoloration Powder=3-20:0-1 adds heat discoloration powder, stirs 30 min, is placed in spare after vacuum environment bubble removing；3) the preparation deformation discoloration nano combined smart membranes driver of paper base:The mixed with polymers liquid for removing bubble is spin-coated on to the noble metal nano material of paper Yu noble metal nanometer material composite conductive layers Expect side, be heating and curing, to obtain the deformation discoloration nano combined smart membranes driver of paper base of thorniness stimulus response.
- 7. preparation method as claimed in claim 6, it is characterised in that: solidification temperature is 40-120 DEG C, when solidification in step 3) Between be 1-24 h.
- 8. a kind of nano combined smart membranes driving of deformation discoloration paper base of response of the thorniness stimulus as described in claims 1 or 2 or 3 Application of the device in electrostrictive flexible mechanical device, intelligent software mechanical arm, temperature-humidity monitoring alarm, artificial lenses.
- 9. application as claimed in claim 8, it is characterised in that: the temperature-humidity monitoring alarm is by two contact electrodes, drive Dynamic device, temperature pre-warning lamp, humidity early-warning lamp and power supply composition, two contact electrodes are placed in two in the driver being vertically arranged It is formed simultaneously with another contact electrode and humidity early-warning lamp being connected in series again after side, a contact electrode and temperature pre-warning lamp string connection Connection relationship；Polymer film layer direction and the concatenated contact electrode side of humidity early-warning lamp, the paper layer court of driver of driver To with the concatenated contact electrode side of temperature pre-warning lamp；When temperature or humidity are more than safety value in monitoring environment, provided respectively because of epidemic disaster early-warning lamp color difference Different alarms；Ambient humidity increase when, driver towards polymer film layer curving, i.e., to humidity early warning lamp string The contact electrode curving of connection, so that humidity early-warning lamp is always on, reminds work until the contact electrode is touched in driver lower end Personnel make counter-measure in time；Environment temperature increase when, driver towards paper layer curving, i.e., to temperature pre-warning lamp Concatenated contact electrode curving, so that temperature pre-warning lamp is always on, reminds work until the contact electrode is touched in driver lower end Make personnel and makes counter-measure in time；The temperature and humidity monitoring range of temperature-humidity monitoring alarm can according to specific needs, by adjust two contact electrodes with The distance between driver makes adjusting；The sensitivity of temperature-humidity monitoring alarm is changed by polymer film layer in regulation driver and paper layer thickness than realizing.
- 10. application as claimed in claim 8, it is characterised in that: the artificial lenses are formed by cricoid driver is made, and are led to It crosses and applies voltage to driver or remove voltage, realize that deformation occurs to achieve the purpose that artificial zoom for driver.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111138859A (en) * | 2020-01-09 | 2020-05-12 | 合肥工业大学 | Three-dimensional structure nano composite intelligent sponge, preparation method and application |
| CN111710701A (en) * | 2020-06-29 | 2020-09-25 | 青岛科技大学 | Flexible organic light-emitting display screen with multiple stimulus responses |
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| CN112736186B (en) * | 2020-12-29 | 2022-09-02 | 合肥工业大学 | VO-based flexible mechanical claw 2 Double-layer flexible driver, preparation method and application |
| US20220203358A1 (en) * | 2020-12-30 | 2022-06-30 | International Business Machines Corporation | Precise fluid input control for point-of-care devices |
| WO2022144680A1 (en) * | 2020-12-30 | 2022-07-07 | International Business Machines Corporation | Precise fluid input control for point-of-care devices |
| US11554371B2 (en) * | 2020-12-30 | 2023-01-17 | International Business Machines Corporation | Precise fluid input control for point-of-care devices |
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