CN106188585A - A kind of forward switch temperature causes the preparation method of reversible color laminated film - Google Patents
A kind of forward switch temperature causes the preparation method of reversible color laminated film Download PDFInfo
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- CN106188585A CN106188585A CN201610528334.5A CN201610528334A CN106188585A CN 106188585 A CN106188585 A CN 106188585A CN 201610528334 A CN201610528334 A CN 201610528334A CN 106188585 A CN106188585 A CN 106188585A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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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
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/02—Homopolymers or copolymers of unsaturated alcohols
- C08L29/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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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
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
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Abstract
A kind of forward switch temperature causes the preparation method of reversible color laminated film, and it relates to the preparation method of a kind of reversible color laminated film.The invention aims to solve existing temperature induced color changing thin film is reverser, and room temperature develops the color, and intensification colour killing can destroy its apparent integrity for product surface, affect problem attractive in appearance.Method: one, glass plate pretreatment；Two, mixed solution is prepared；Three, coating solution is prepared；Four, spray, be dried, obtain forward switch temperature and cause reversible color laminated film.The present invention prepare temperature cause reversible color laminated film be forward switch, room temperature is colourless, heating colour developing, institute for product surface can reach holding product integrity purpose；Forward switch temperature prepared by the present invention causes reversible color laminated film preferable elastoplasticity, and environmental protection, to bad border close friend, nontoxic fanout free region.The present invention can obtain a kind of forward switch temperature and cause the preparation method of reversible color laminated film.
Description
Technical field
The present invention relates to the preparation method of a kind of reversible color laminated film.
Background technology
Temperature induced color changing thin film is widely used in the base materials such as glass, ceramic and plastic, to prepare work at present
Skill product, tableware, show and colour, packaging material, CD etc..Existing temperature induced color changing thin film is usually reverser, i.e. room temperature shows
Color, intensification colour killing, can destroy its apparent integrity for product surface, affect attractive in appearance.Temperature induced color changing thin film prepared by this method
For forward switch, room temperature is colourless, heating colour developing, institute for product surface can reach holding product integrity purpose.We
Thin film prepared by method has preferable discoloration, is quick on the draw, and after variable color, color is gorgeous, elegant in appearance.Used by this method
Face coat has preferable elastoplasticity, and environmental protection, to bad border close friend, nontoxic fanout free region.
Summary of the invention
The invention aims to solve existing temperature induced color changing thin film is reverser, and room temperature develops the color, and intensification colour killing is used for
Product surface can destroy its apparent integrity, affects problem attractive in appearance, and provides a kind of forward switch temperature to cause reversible color and be combined
The preparation method of thin film.
A kind of forward switch temperature causes the preparation method of reversible color laminated film and completes according to the following steps:
One, glass plate pretreatment: use deionized water that the surface washing of glass plate is clean, re-uses dehydrated alcohol profit
Wash, obtain pretreated glass plate；
Two, polyvinyl alcohol and dextrin are joined in deionized water, then be 70 DEG C～75 DEG C and mixing speed is in temperature
Magnetic agitation reaction 2h～2.5h under 750r/min～850r/min, more at room temperature stand 1h～2h, obtain mixed solution；
The quality of the polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:(90mL～100mL)；
The quality of the dextrin described in step 2 and the volume ratio of deionized water are 2g:(90mL～100mL)；
Three, temperature sensing color changing material is joined in the mixed solution obtained in step 2, then be 42 DEG C～50 DEG C in temperature
It is stirring reaction 1.5h～2h under 700r/min～750r/min with mixing speed, then is to surpass under 100W in room temperature and ultrasonic power
Sound dispersion 20min～30min, more at room temperature stand 5min～10min, obtain temperature sensing color changing quality of materials mark be 1%～
The coating solution of 4%；
Four, the coating solution that temperature sensing color changing quality of materials mark is 1%～4% using airbrush step 3 to be obtained sprays
The pretreated glass pane surface obtained in step one, natural air drying 5min～60min, obtain forward switch temperature and cause reversible
Variable color laminated film；
The spraying condition of the airbrush described in step 4 is: blowing and spraying distance for 50mm～100mm, air consumption is 15PSI
～30PSI, nozzle diameter is 0.3mm；
It is 40 μm～60 μm that forward switch temperature described in step 4 causes the thickness of reversible color laminated film.
Temperature sensing color changing material described in step 3 of the present invention is to buy from New Prismatic Enterprise Co., Ltd.；Model is
NCC-1。
Advantages of the present invention:
One, temperature prepared by the present invention causes reversible color laminated film is forward switch, and room temperature is colourless, heating colour developing, so
The purpose keeping product integrity is can reach for product surface；
Two, it is sensitive that the forward switch temperature that prepared by the present invention causes reversible color laminated film variable color, and uniform and stable, color is bright
Beautiful；
Three, the present invention prepares the flow process of forward switch temperature cause reversible color laminated film simply, and easily realizes, step letter
About, simple operation, with low cost, beneficially industrialization production line balance；
Four, the forward switch temperature that prepared by the present invention causes reversible color laminated film and can be finely adjusted room temperature；
Five, the forward that prepared by present invention switch temperature causes reversible color laminated film a preferable elastoplasticity, and environmental protection is right
Bad border is friendly, nontoxic fanout free region.
The present invention can obtain a kind of forward switch temperature and cause the preparation method of reversible color laminated film.
Accompanying drawing explanation
Fig. 1 is that the forward switch temperature of embodiment one preparation causes the digital photograph before and after reversible color laminated film heats, Fig. 1
In 1 be embodiment one step 4 obtains forward switch temperature cause reversible color laminated film, 2 be heat after embodiment one step
The forward switch temperature obtained in rapid four causes reversible color laminated film, 3 be heat after be cooled to embodiment one step of room temperature
The forward switch temperature obtained in four causes reversible color laminated film；
Fig. 2 is that the forward switch temperature of embodiment two preparation causes the digital photograph before and after reversible color laminated film heats, Fig. 2
In 1 be embodiment two step 4 obtains forward switch temperature cause reversible color laminated film, 2 be heat after embodiment two step
The forward switch temperature obtained in rapid four causes reversible color laminated film, 3 be heat after be cooled to embodiment two step of room temperature
The forward switch temperature obtained in four causes reversible color laminated film；
Fig. 3 is that the forward switch temperature of embodiment three preparation causes the digital photograph before and after reversible color laminated film heats, Fig. 3
In 1 be embodiment three step 4 obtains forward switch temperature cause reversible color laminated film, 2 be heat after embodiment three step
The forward switch temperature obtained in rapid four causes reversible color laminated film, 3 be heat after be cooled to embodiment three step of room temperature
The forward switch temperature obtained in four causes reversible color laminated film；
Fig. 4 is that the forward switch temperature of embodiment four preparation causes the digital photograph before and after reversible color laminated film heats, Fig. 4
In 1 be embodiment four step 4 obtains forward switch temperature cause reversible color laminated film, 2 be heat after embodiment four step
The forward switch temperature obtained in rapid four causes reversible color laminated film, 3 be heat after be cooled to embodiment four step of room temperature
The forward switch temperature obtained in four causes reversible color laminated film；
Fig. 5 is the SEM figure of the forward switch temperature cause reversible color laminated film of embodiment three preparation.
Detailed description of the invention
Detailed description of the invention: present embodiment is that the preparation method of a kind of forward switch temperature cause reversible color laminated film is
Complete according to the following steps:
One, glass plate pretreatment: use deionized water that the surface washing of glass plate is clean, re-uses dehydrated alcohol profit
Wash, obtain pretreated glass plate；
Two, polyvinyl alcohol and dextrin are joined in deionized water, then be 70 DEG C～75 DEG C and mixing speed is in temperature
Magnetic agitation reaction 2h～2.5h under 750r/min～850r/min, more at room temperature stand 1h～2h, obtain mixed solution；
The quality of the polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:(90mL～100mL)；
The quality of the dextrin described in step 2 and the volume ratio of deionized water are 2g:(90mL～100mL)；
Three, temperature sensing color changing material is joined in the mixed solution obtained in step 2, then be 42 DEG C～50 DEG C in temperature
It is stirring reaction 1.5h～2h under 700r/min～750r/min with mixing speed, then is to surpass under 100W in room temperature and ultrasonic power
Sound dispersion 20min～30min, more at room temperature stand 5min～10min, obtain temperature sensing color changing quality of materials mark be 1%～
The coating solution of 4%；
Four, the coating solution that temperature sensing color changing quality of materials mark is 1%～4% using airbrush step 3 to be obtained sprays
The pretreated glass pane surface obtained in step one, natural air drying 5min～60min, obtain forward switch temperature and cause reversible
Variable color laminated film；
The spraying condition of the airbrush described in step 4 is: blowing and spraying distance for 50mm～100mm, air consumption is 15PSI
～30PSI, nozzle diameter is 0.3mm；
It is 40 μm～60 μm that forward switch temperature described in step 4 causes the thickness of reversible color laminated film.
Temperature sensing color changing material described in present embodiment step 3 is to buy from New Prismatic Enterprise Co., Ltd.；Model
For NCC-1.
The advantage of present embodiment:
One, temperature prepared by present embodiment causes reversible color laminated film is forward switch, and room temperature is colourless, heating colour developing,
For product surface can reach keep product integrity purpose；
Two, it is sensitive that the forward switch temperature that prepared by present embodiment causes reversible color laminated film variable color, uniform and stable, color
Beautiful；
Three, present embodiment prepares the flow process of forward switch temperature cause reversible color laminated film simply, and easily realizes, step
Brief, simple operation, with low cost, beneficially industrialization production line balance；
Four, the forward switch temperature that prepared by present embodiment causes reversible color laminated film and can be finely adjusted room temperature；
Five, the forward switch temperature that prepared by present embodiment causes reversible color laminated film preferable elastoplasticity, green ring
Protect, friendly to bad border, nontoxic fanout free region.
Present embodiment can obtain a kind of forward switch temperature and cause the preparation method of reversible color laminated film.
Detailed description of the invention two: present embodiment with detailed description of the invention one difference is: the dextrin described in step 2
For white dextrin.Other steps are identical with detailed description of the invention one.
Detailed description of the invention three: present embodiment with one of detailed description of the invention one or two difference is: institute in step one
The size of the glass plate stated is 80mm × 40mm.Other steps are identical with detailed description of the invention one or two.
Detailed description of the invention four: present embodiment with one of detailed description of the invention one to three difference is: will in step 3
Temperature sensing color changing material joins in the mixed solution obtained in step 2, then is 45 DEG C and mixing speed is 700r/min in temperature
Lower stirring reaction 2h, then be ultrasonic disperse 25min under 100W in room temperature and ultrasonic power, more at room temperature stand 8min, obtain
Temperature sensing color changing quality of materials mark is the coating solution of 1%.Other steps are identical with detailed description of the invention one to three.
Detailed description of the invention five: present embodiment with one of detailed description of the invention one to four difference is: will in step 3
Temperature sensing color changing material joins in the mixed solution obtained in step 2, then is 45 DEG C and mixing speed is 700r/min in temperature
Lower stirring reaction 2h, then be ultrasonic disperse 25min under 100W in room temperature and ultrasonic power, more at room temperature stand 8min, obtain
Temperature sensing color changing quality of materials mark is the coating solution of 2%.Other steps are identical with detailed description of the invention one to four.
Detailed description of the invention six: present embodiment with one of detailed description of the invention one to five difference is: will in step 3
Temperature sensing color changing material joins in the mixed solution obtained in step 2, then is 45 DEG C and mixing speed is 700r/min in temperature
Lower stirring reaction 2h, then be ultrasonic disperse 25min under 100W in room temperature and ultrasonic power, more at room temperature stand 8min, obtain
Temperature sensing color changing quality of materials mark is the coating solution of 3%.Other steps are identical with detailed description of the invention one to five.
Detailed description of the invention seven: present embodiment with one of detailed description of the invention one to six difference is: will in step 3
Temperature sensing color changing material joins in the mixed solution obtained in step 2, then is 45 DEG C and mixing speed is 700r/min in temperature
Lower stirring reaction 2h, then be ultrasonic disperse 25min under 100W in room temperature and ultrasonic power, more at room temperature stand 8min, obtain
Temperature sensing color changing quality of materials mark is the coating solution of 4%.Other steps are identical with detailed description of the invention one to six.
Detailed description of the invention eight: present embodiment with one of detailed description of the invention one to seven difference is: institute in step 2
The quality of the polyvinyl alcohol stated and the volume ratio of deionized water are 2g:100mL.Other steps and detailed description of the invention one to seven phase
With.
Detailed description of the invention nine: present embodiment with one of detailed description of the invention one to eight difference is: institute in step 2
The quality of the dextrin stated and the volume ratio of deionized water are 2g:100mL.Other steps are identical with detailed description of the invention one to eight.
Detailed description of the invention ten: present embodiment with one of detailed description of the invention one to nine difference is: institute in step 4
The spraying condition of the airbrush stated is: blowing and spraying distance for 80mm, air consumption is 20PSI, and nozzle diameter is 0.3mm.Other steps
Identical with detailed description of the invention one to nine.
Employing following example checking beneficial effects of the present invention:
Embodiment one: a kind of forward switch temperature causes the preparation method of reversible color laminated film, is to complete according to the following steps
:
One, glass plate pretreatment: use deionized water that the surface washing of glass plate is clean, re-uses dehydrated alcohol profit
Wash, obtain pretreated glass plate；
The size of the glass plate described in step one is 80mm × 40mm；
Two, polyvinyl alcohol and dextrin are joined in deionized water, then be 75 DEG C and mixing speed is 800r/ in temperature
Magnetic agitation reaction 2h under min, more at room temperature stand 2h, obtain mixed solution；
Dextrin described in step 2 is white dextrin；
The quality of the polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:100mL；
The quality of the dextrin described in step 2 and the volume ratio of deionized water are 2g:100mL；
Three, temperature sensing color changing material is joined in the mixed solution obtained in step 2, then be 45 DEG C and stirring in temperature
Speed is stirring reaction 2h under 700r/min, then is ultrasonic disperse 25min under 100W in room temperature and ultrasonic power, more at room temperature
Standing 8min, obtaining temperature sensing color changing quality of materials mark is the coating solution of 1%；
Four, the coating solution that temperature sensing color changing quality of materials mark is 1% using airbrush step 3 to be obtained is sprayed at step
The pretreated glass pane surface obtained in rapid one, natural air drying 30min, obtain forward switch temperature and cause reversible color THIN COMPOSITE
Film；
The spraying condition of the airbrush described in step 4 is: blowing and spraying distance for 80mm, air consumption is 20PSI, jet hole
Footpath is 0.3mm；
It is 40 μm that forward switch temperature described in step 4 causes the thickness of reversible color laminated film.
Temperature sensing color changing material described in embodiment one step 3 is bought from New Prismatic Enterprise Co., Ltd.；Model is
NCC-1。
Forward switch temperature embodiment one prepared causes reversible color laminated film and is heated to 60 DEG C from room temperature, colder
But to 30 DEG C, the situation of change before and after heating is as shown in Figure 1；
Fig. 1 is that the forward switch temperature of embodiment one preparation causes the digital photograph before and after reversible color laminated film heats, Fig. 1
In 1 be embodiment one step 4 obtains forward switch temperature cause reversible color laminated film, 2 be heat after embodiment one step
The forward switch temperature obtained in rapid four causes reversible color laminated film, 3 be heat after be cooled to embodiment one step of room temperature
The forward switch temperature obtained in four causes reversible color laminated film；
From fig. 1, it can be seen that it is forward switch that the temperature of embodiment one preparation causes reversible color laminated film, room temperature is colourless, heating
Colour developing, it is sensitive that temperature causes reversible color laminated film variable color, and uniform and stable, color is beautiful, can the most long-acting use.
Forward switch temperature embodiment one prepared causes reversible color laminated film and puts into constant temperature oven, from 30 DEG C of intensifications
To 60 DEG C, 5 DEG C is a gradient therebetween, each gradient constant-temperatureactivation 2min.Just preparing by digital camera whole process record embodiment one
When switch temperature causes the intensification of reversible color laminated film, the colourshifting process of each gradient, utilizes afterwards and uses Adobe
Forward that embodiment one is prepared by photoshop CS6 software switch temperature cause reversible color laminated film Surface lightness (L*),
Red green index (a*), champac index (b*) value are analyzed.The forward switch temperature measuring embodiment one preparation respectively causes possibility of reversal
The temperature of color laminated film changes before and after becoming, and takes same position and lay respectively at upper left, upper right, lower-left, bottom right, interposition from sample
L*, a* and b* value of five points put；Wherein the background of photo is blank sheet of paper, so the colorimetric parameter before Jia Re is blank sheet of paper and thin film
The colorimetric parameter of superposition, the colorimetric parameter after heating is thermochromic material and the coefficient colorimetric parameter of blank sheet of paper.Often group has
Three controlled trials, often L*, a* and b* value of five points measured respectively by group sample, obtains its meansigma methods meansigma methods, according to formula
(1), (2), (3), (4) calculate the forward switch temperature of embodiment one preparation cause reversible color laminated film before heating after color
Difference:
Δ L*=L2-L1 (1)
Δ a*=a2-a1 (2)
Δ b*=b2-b1 (3)
Wherein L1、a1And b1Forward switch temperature for embodiment one preparation causes numerical value before reversible color laminated film heats,
L2、a2And b2Forward switch temperature for embodiment one preparation causes numerical value after reversible color laminated film heats.
The forward switch temperature of embodiment one preparation causes the Δ L* of reversible color laminated film, Δ a*, Δ b* and Δ E* value and sees
Shown in table 1.
Embodiment two: a kind of forward switch temperature causes the preparation method of reversible color laminated film, is to complete according to the following steps
:
One, glass plate pretreatment: use deionized water that the surface washing of glass plate is clean, re-uses dehydrated alcohol profit
Wash, obtain pretreated glass plate；
The size of the glass plate described in step one is 80mm × 40mm；
Two, polyvinyl alcohol and dextrin are joined in deionized water, then be 75 DEG C and mixing speed is 800r/ in temperature
Magnetic agitation reaction 2h under min, more at room temperature stand 2h, obtain mixed solution；
Dextrin described in step 2 is white dextrin；
The quality of the polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:100mL；
The quality of the dextrin described in step 2 and the volume ratio of deionized water are 2g:100mL；
Three, temperature sensing color changing material is joined in the mixed solution obtained in step 2, then be 45 DEG C and stirring in temperature
Speed is stirring reaction 2h under 700r/min, then is ultrasonic disperse 25min under 100W in room temperature and ultrasonic power, more at room temperature
Standing 8min, obtaining temperature sensing color changing quality of materials mark is the coating solution of 2%；
Four, the coating solution that temperature sensing color changing quality of materials mark is 2% using airbrush step 3 to be obtained is sprayed at step
The pretreated glass pane surface obtained in rapid one, natural air drying 30min, obtain forward switch temperature and cause reversible color THIN COMPOSITE
Film；
The spraying condition of the airbrush described in step 4 is: blowing and spraying distance for 80mm, air consumption is 20PSI, jet hole
Footpath is 0.3mm；
It is 42 μm that forward switch temperature described in step 4 causes the thickness of reversible color laminated film.
Temperature sensing color changing material described in embodiment two step 3 is bought from New Prismatic Enterprise Co., Ltd.；Model is
NCC-1。
Forward switch temperature embodiment two prepared causes reversible color laminated film and is heated to 60 DEG C from room temperature, colder
But to 30 DEG C, the situation of change before and after heating is as shown in Figure 2；
Fig. 2 is that the forward switch temperature of embodiment two preparation causes the digital photograph before and after reversible color laminated film heats, Fig. 2
In 1 be embodiment two step 4 obtains forward switch temperature cause reversible color laminated film, 2 be heat after embodiment two step
The forward switch temperature obtained in rapid four causes reversible color laminated film, 3 be heat after be cooled to embodiment two step of room temperature
The forward switch temperature obtained in four causes reversible color laminated film；
As can be seen from Figure 2, it is forward switch that the temperature of embodiment two preparation causes reversible color laminated film, and room temperature is colourless, heating
Colour developing, it is sensitive that temperature causes reversible color laminated film variable color, and uniform and stable, color is beautiful, can the most long-acting use.
Forward switch temperature embodiment two prepared causes reversible color laminated film and puts into constant temperature oven, from 30 DEG C of intensifications
To 60 DEG C, 5 DEG C is a gradient therebetween, each gradient constant-temperatureactivation 2min.Just preparing by digital camera whole process record embodiment two
When switch temperature causes the intensification of reversible color laminated film, the colourshifting process of each gradient, utilizes afterwards and uses Adobe
Forward that embodiment two is prepared by photoshop CS6 software switch temperature cause reversible color laminated film Surface lightness (L*),
Red green index (a*), champac index (b*) value are analyzed.The forward switch temperature measuring embodiment two preparation respectively causes possibility of reversal
The temperature of color laminated film changes before and after becoming, and takes same position and lay respectively at upper left, upper right, lower-left, bottom right, interposition from sample
L*, a* and b* value of five points put；Wherein the background of photo is blank sheet of paper, so the colorimetric parameter before Jia Re is blank sheet of paper and thin film
The colorimetric parameter of superposition, the colorimetric parameter after heating is thermochromic material and the coefficient colorimetric parameter of blank sheet of paper.Often group has
Three controlled trials, often L*, a* and b* value of five points measured respectively by group sample, obtains its meansigma methods meansigma methods, according to formula
(1), (2), (3), (4) calculate the forward switch temperature of embodiment two preparation cause reversible color laminated film before heating after color
Difference:
Δ L*=L2-L1 (1)
Δ a*=a2-a1 (2)
Δ b*=b2-b1 (3)
Wherein L1、a1And b1Forward switch temperature for embodiment two preparation causes numerical value before reversible color laminated film heats,
L2、a2And b2Forward switch temperature for embodiment two preparation causes numerical value after reversible color laminated film heats.
The forward switch temperature of embodiment two preparation causes the Δ L* of reversible color laminated film, Δ a*, Δ b* and Δ E* value and sees
Shown in table 1.
Embodiment three: a kind of forward switch temperature causes the preparation method of reversible color laminated film, is to complete according to the following steps
:
One, glass plate pretreatment: use deionized water that the surface washing of glass plate is clean, re-uses dehydrated alcohol profit
Wash, obtain pretreated glass plate；
The size of the glass plate described in step one is 80mm × 40mm；
Two, polyvinyl alcohol and dextrin are joined in deionized water, then be 75 DEG C and mixing speed is 800r/ in temperature
Magnetic agitation reaction 2h under min, more at room temperature stand 2h, obtain mixed solution；
Dextrin described in step 2 is white dextrin；
The quality of the polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:100mL；
The quality of the dextrin described in step 2 and the volume ratio of deionized water are 2g:100mL；
Three, temperature sensing color changing material is joined in the mixed solution obtained in step 2, then be 45 DEG C and stirring in temperature
Speed is stirring reaction 2h under 700r/min, then is ultrasonic disperse 25min under 100W in room temperature and ultrasonic power, more at room temperature
Standing 8min, obtaining temperature sensing color changing quality of materials mark is the coating solution of 3%；
Four, the coating solution that temperature sensing color changing quality of materials mark is 3% using airbrush step 3 to be obtained is sprayed at step
The pretreated glass pane surface obtained in rapid one, natural air drying 30min, obtain forward switch temperature and cause reversible color THIN COMPOSITE
Film；
The spraying condition of the airbrush described in step 4 is: blowing and spraying distance for 80mm, air consumption is 20PSI, jet hole
Footpath is 0.3mm；
It is 48 μm that forward switch temperature described in step 4 causes the thickness of reversible color laminated film.
Temperature sensing color changing material described in embodiment three step 3 is bought from New Prismatic Enterprise Co., Ltd.；Model is
NCC-1。
Forward switch temperature embodiment three prepared causes reversible color laminated film and is heated to 60 DEG C from room temperature, colder
But to 30 DEG C, the situation of change before and after heating is as shown in Figure 3；
Fig. 3 is that the forward switch temperature of embodiment three preparation causes the digital photograph before and after reversible color laminated film heats, Fig. 3
In 1 be embodiment three step 4 obtains forward switch temperature cause reversible color laminated film, 2 be heat after embodiment three step
The forward switch temperature obtained in rapid four causes reversible color laminated film, 3 be heat after be cooled to embodiment three step of room temperature
The forward switch temperature obtained in four causes reversible color laminated film；
As can be seen from Figure 3, it is forward switch that the temperature of embodiment three preparation causes reversible color laminated film, and room temperature is colourless, heating
Colour developing, it is sensitive that temperature causes reversible color laminated film variable color, and uniform and stable, color is beautiful, can the most long-acting use.
Forward switch temperature embodiment three prepared causes reversible color laminated film and puts into constant temperature oven, from 30 DEG C of intensifications
To 60 DEG C, 5 DEG C is a gradient therebetween, each gradient constant-temperatureactivation 2min.Just preparing by digital camera whole process record embodiment three
When switch temperature causes the intensification of reversible color laminated film, the colourshifting process of each gradient, utilizes afterwards and uses Adobe
Forward that embodiment three is prepared by photoshop CS6 software switch temperature cause reversible color laminated film Surface lightness (L*),
Red green index (a*), champac index (b*) value are analyzed.The forward switch temperature measuring embodiment three preparation respectively causes possibility of reversal
The temperature of color laminated film changes before and after becoming, and takes same position and lay respectively at upper left, upper right, lower-left, bottom right, interposition from sample
L*, a* and b* value of five points put；Wherein the background of photo is blank sheet of paper, so the colorimetric parameter before Jia Re is blank sheet of paper and thin film
The colorimetric parameter of superposition, the colorimetric parameter after heating is thermochromic material and the coefficient colorimetric parameter of blank sheet of paper.Often group has
Three controlled trials, often L*, a* and b* value of five points measured respectively by group sample, obtains its meansigma methods meansigma methods, according to formula
(1), (2), (3), (4) calculate the forward switch temperature of embodiment three preparation cause reversible color laminated film before heating after color
Difference:
Δ L*=L2-L1 (1)
Δ a*=a2-a1 (2)
Δ b*=b2-b1 (3)
Wherein L1、a1And b1Forward switch temperature for embodiment three preparation causes numerical value before reversible color laminated film heats,
L2、a2And b2Forward switch temperature for embodiment three preparation causes numerical value after reversible color laminated film heats.
The forward switch temperature of embodiment three preparation causes the Δ L* of reversible color laminated film, Δ a*, Δ b* and Δ E* value and sees
Shown in table 1.
Embodiment four: a kind of forward switch temperature causes the preparation method of reversible color laminated film, is to complete according to the following steps
:
One, glass plate pretreatment: use deionized water that the surface washing of glass plate is clean, re-uses dehydrated alcohol profit
Wash, obtain pretreated glass plate；
The size of the glass plate described in step one is 80mm × 40mm；
Two, polyvinyl alcohol and dextrin are joined in deionized water, then be 75 DEG C and mixing speed is 800r/ in temperature
Magnetic agitation reaction 2h under min, more at room temperature stand 2h, obtain mixed solution；
Dextrin described in step 2 is white dextrin；
The quality of the polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:100mL；
The quality of the dextrin described in step 2 and the volume ratio of deionized water are 2g:100mL；
Three, temperature sensing color changing material is joined in the mixed solution obtained in step 2, then be 45 DEG C and stirring in temperature
Speed is stirring reaction 2h under 700r/min, then is ultrasonic disperse 25min under 100W in room temperature and ultrasonic power, more at room temperature
Standing 8min, obtaining temperature sensing color changing quality of materials mark is the coating solution of 4%；
Four, the coating solution that temperature sensing color changing quality of materials mark is 4% using airbrush step 3 to be obtained is sprayed at step
The pretreated glass pane surface obtained in rapid one, natural air drying 30min, obtain forward switch temperature and cause reversible color THIN COMPOSITE
Film；
The spraying condition of the airbrush described in step 4 is: blowing and spraying distance for 80mm, air consumption is 20PSI, jet hole
Footpath is 0.3mm；
It is 57 μm that forward switch temperature described in step 4 causes the thickness of reversible color laminated film.
Temperature sensing color changing material described in embodiment four step 3 is bought from New Prismatic Enterprise Co., Ltd.；Model is
NCC-1。
Forward switch temperature embodiment four prepared causes reversible color laminated film and is heated to 60 DEG C from room temperature, colder
But to 30 DEG C, the situation of change before and after heating is as shown in Figure 4；
Fig. 4 is that the forward switch temperature of embodiment four preparation causes the digital photograph before and after reversible color laminated film heats, Fig. 4
In 1 be embodiment four step 4 obtains forward switch temperature cause reversible color laminated film, 2 be heat after embodiment four step
The forward switch temperature obtained in rapid four causes reversible color laminated film, 3 be heat after be cooled to embodiment four step of room temperature
The forward switch temperature obtained in four causes reversible color laminated film；
As can be seen from Figure 4, it is forward switch that the temperature of embodiment four preparation causes reversible color laminated film, and room temperature is colourless, heating
Colour developing, it is sensitive that temperature causes reversible color laminated film variable color, and uniform and stable, color is beautiful, can the most long-acting use.
Forward switch temperature embodiment four prepared causes reversible color laminated film and puts into constant temperature oven, from 30 DEG C of intensifications
To 60 DEG C, 5 DEG C is a gradient therebetween, each gradient constant-temperatureactivation 2min.Just preparing by digital camera whole process record embodiment four
When switch temperature causes the intensification of reversible color laminated film, the colourshifting process of each gradient, utilizes afterwards and uses Adobe
Forward that embodiment four is prepared by photoshop CS6 software switch temperature cause reversible color laminated film Surface lightness (L*),
Red green index (a*), champac index (b*) value are analyzed.The forward switch temperature measuring embodiment four preparation respectively causes possibility of reversal
The temperature of color laminated film changes before and after becoming, and takes same position and lay respectively at upper left, upper right, lower-left, bottom right, interposition from sample
L*, a* and b* value of five points put；Wherein the background of photo is blank sheet of paper, so the colorimetric parameter before Jia Re is blank sheet of paper and thin film
The colorimetric parameter of superposition, the colorimetric parameter after heating is thermochromic material and the coefficient colorimetric parameter of blank sheet of paper.Often group has
Three controlled trials, often L*, a* and b* value of five points measured respectively by group sample, obtains its meansigma methods meansigma methods, according to formula
(1), (2), (3), (4) calculate the forward switch temperature of embodiment four preparation cause reversible color laminated film before heating after color
Difference:
Δ L*=L2-L1 (1)
Δ a*=a2-a1 (2)
Δ b*=b2-b1 (3)
Wherein L1、a1And b1Forward switch temperature for embodiment four preparation causes numerical value before reversible color laminated film heats,
L2、a2And b2Forward switch temperature for embodiment four preparation causes numerical value after reversible color laminated film heats.
The forward switch temperature of embodiment four preparation causes the Δ L* of reversible color laminated film, Δ a*, Δ b* and Δ E* value and sees
Shown in table 1.
Table 1
Note: L is that lightness index, a represent that red green axle chromaticity index, b represent champac axle chromaticity index；L1、a1、b1Representative adds
Measurement result before heat；L2、a2、b2Represent the measurement result after heating；Before and after Δ L*, Δ a*, Δ b*, Δ E* represent heating
Difference.
Fig. 5 is the SEM figure of the forward switch temperature cause reversible color laminated film of embodiment three preparation, as can be seen from Figure 5, implements
It is the most smooth that the forward switch temperature of example three preparation causes reversible color laminated film, homogeneous.
Claims (10)
1. the preparation method of a forward switch temperature cause reversible color laminated film, it is characterised in that a kind of forward switch Wen Zhike
The preparation method of inversion color laminated film completes according to the following steps:
One, glass plate pretreatment: use deionized water that the surface washing of glass plate is clean, re-use dehydrated alcohol rinse,
To pretreated glass plate；
Two, polyvinyl alcohol and dextrin are joined in deionized water, then be 70 DEG C～75 DEG C and mixing speed is 750r/ in temperature
Magnetic agitation reaction 2h～2.5h under min～850r/min, more at room temperature stand 1h～2h, obtain mixed solution；
The quality of the polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:(90mL～100mL)；
The quality of the dextrin described in step 2 and the volume ratio of deionized water are 2g:(90mL～100mL)；
Three, temperature sensing color changing material is joined in the mixed solution obtained in step 2, then be 42 DEG C～50 DEG C and stir in temperature
Mixing speed is stirring reaction 1.5h～2h under 700r/min～750r/min, then is under 100W ultrasonic point in room temperature and ultrasonic power
Dissipating 20min～30min, more at room temperature stand 5min～10min, obtaining temperature sensing color changing quality of materials mark is 1%～4%
Coating solution；
Four, the coating solution that temperature sensing color changing quality of materials mark is 1%～4% using airbrush step 3 to be obtained is sprayed at step
The pretreated glass pane surface obtained in rapid one, natural air drying 5min～60min, obtain forward switch temperature and cause reversible color
Laminated film；
The spraying condition of the airbrush described in step 4 is: blow and spray distance for 50mm～100mm, air consumption be 15PSI～
30PSI, nozzle diameter is 0.3mm；
It is 40 μm～60 μm that forward switch temperature described in step 4 causes the thickness of reversible color laminated film.
A kind of forward the most according to claim 1 switch temperature causes the preparation method of reversible color laminated film, and its feature exists
It is white dextrin in the dextrin described in step 2.
A kind of forward the most according to claim 1 switch temperature causes the preparation method of reversible color laminated film, and its feature exists
Size in the glass plate described in step one is 80mm × 40mm.
A kind of forward the most according to claim 1 switch temperature causes the preparation method of reversible color laminated film, and its feature exists
In step 3, temperature sensing color changing material is joined in the mixed solution obtained in step 2, then be 45 DEG C and stirring speed in temperature
Degree is stirring reaction 2h under 700r/min, then is ultrasonic disperse 25min under 100W in room temperature and ultrasonic power, more quiet
Putting 8min, obtaining temperature sensing color changing quality of materials mark is the coating solution of 1%.
A kind of forward the most according to claim 1 switch temperature causes the preparation method of reversible color laminated film, and its feature exists
In step 3, temperature sensing color changing material is joined in the mixed solution obtained in step 2, then be 45 DEG C and stirring speed in temperature
Degree is stirring reaction 2h under 700r/min, then is ultrasonic disperse 25min under 100W in room temperature and ultrasonic power, more quiet
Putting 8min, obtaining temperature sensing color changing quality of materials mark is the coating solution of 2%.
A kind of forward the most according to claim 1 switch temperature causes the preparation method of reversible color laminated film, and its feature exists
In step 3, temperature sensing color changing material is joined in the mixed solution obtained in step 2, then be 45 DEG C and stirring speed in temperature
Degree is stirring reaction 2h under 700r/min, then is ultrasonic disperse 25min under 100W in room temperature and ultrasonic power, more quiet
Putting 8min, obtaining temperature sensing color changing quality of materials mark is the coating solution of 3%.
A kind of forward the most according to claim 1 switch temperature causes the preparation method of reversible color laminated film, and its feature exists
In step 3, temperature sensing color changing material is joined in the mixed solution obtained in step 2, then be 45 DEG C and stirring speed in temperature
Degree is stirring reaction 2h under 700r/min, then is ultrasonic disperse 25min under 100W in room temperature and ultrasonic power, more quiet
Putting 8min, obtaining temperature sensing color changing quality of materials mark is the coating solution of 4%.
A kind of forward the most according to claim 1 switch temperature causes the preparation method of reversible color laminated film, and its feature exists
It is 2g:100mL in the quality of the polyvinyl alcohol described in step 2 and the volume ratio of deionized water.
A kind of forward the most according to claim 1 switch temperature causes the preparation method of reversible color laminated film, and its feature exists
It is 2g:100mL in the quality of the dextrin described in step 2 and the volume ratio of deionized water.
A kind of forward the most according to claim 1 switch temperature causes the preparation method of reversible color laminated film, and its feature exists
Spraying condition in the airbrush described in step 4 is: blowing and spraying distance for 80mm, air consumption is 20PSI, and nozzle diameter is
0.3mm。
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