CN106188585B - A kind of positive switch temperature causes the preparation method of reversible color laminated film - Google Patents
A kind of positive switch temperature causes the preparation method of reversible color laminated film Download PDFInfo
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- CN106188585B CN106188585B CN201610528334.5A CN201610528334A CN106188585B CN 106188585 B CN106188585 B CN 106188585B CN 201610528334 A CN201610528334 A CN 201610528334A CN 106188585 B CN106188585 B CN 106188585B
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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 positive switch temperature causes the preparation method of reversible color laminated film, it is related to a kind of preparation method of reversible color laminated film.It is reverser the invention aims to solve existing temperature induced color changing film, room temperature colour developing, heat up colour killing, can destroy its apparent integrality for product surface, influences beautiful problem.Method: one, glass plate pre-processes；Two, mixed solution is prepared；Three, prepares coating solution；Four, it sprays, is dry, obtaining positive switch temperature and cause reversible color laminated film.It is positive switch that temperature prepared by the present invention, which causes reversible color laminated film, and room temperature is colourless, heating colour developing, so can reach the purpose for keeping product integrality for product surface；Positive switch temperature prepared by the present invention causes reversible color laminated film to have preferable elastoplasticity, environmentally protective, to bad border close friend, nontoxic fanout free region.The present invention can get a kind of preparation method of positive switch temperature cause reversible color laminated film.
Description
Technical field
The present invention relates to a kind of preparation methods of reversible color laminated film.
Background technique
Temperature induced color changing film is widely used in the substrates such as glassware, ceramic and plastic products at present, to prepare work
Skill product, tableware, show and colour, packaging material, CD etc..Existing temperature induced color changing film is usually reverser, i.e., room temperature is aobvious
Color, heat up colour killing, can destroy its apparent integrality for product surface, influence beauty.The temperature induced color changing film of this method preparation
For forward direction switch, room temperature is colourless, heating colour developing, so can reach the purpose for keeping product integrality for product surface.We
The film of method preparation has preferable discoloration, is quick on the draw, color is gorgeous after discoloration, beautiful and generous.Used in this method
Surface covering has preferable elastoplasticity, environmentally protective, to bad border close friend, nontoxic fanout free region.
Summary of the invention
It is reverser the invention aims to solve existing temperature induced color changing film, room temperature colour developing, heat up colour killing, is used for
Product surface can destroy its apparent integrality, influence beautiful problem, and it is compound to provide a kind of positive switch temperature cause reversible color
The preparation method of film.
A kind of positive switch temperature causes the preparation method of reversible color laminated film to be completed by the following steps:
One, glass plate pre-processes: it is using deionized water that the surface washing of glass plate is clean, reuse dehydrated alcohol profit
It washes, obtains pretreated glass plate；
Two, polyvinyl alcohol and dextrin are add to deionized water, then are 70 DEG C~75 DEG C in temperature and are with mixing speed
Magnetic agitation reacts 2h~2.5h under 750r/min~850r/min, then stands 1h~2h at room temperature, obtains mixed solution；
The quality of polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:(90mL~100mL)；
The quality of dextrin described in step 2 and the volume ratio of deionized water are 2g:(90mL~100mL)；
Three, temperature sensing color changing material is added in mixed solution obtained in step 2, then temperature be 42 DEG C~50 DEG C
It is 1.5h~2h to be stirred to react under 700r/min~750r/min, then surpass under being 100W in room temperature and ultrasonic power with mixing speed
Sound disperse 20min~30min, then at room temperature stand 5min~10min, obtain temperature sensing color changing quality of materials score be 1%~
4% coating solution；
Four, it is sprayed using the coating solution that the temperature sensing color changing quality of materials score that airbrush obtains step 3 is 1%~4%
It is reversible to obtain positive switch temperature cause by the pretreated glass pane surface obtained in step 1, natural air drying 5min~60min
Change colour laminated film；
The spraying condition of airbrush described in step 4 are as follows: blowing and spraying distance is 50mm~100mm, air consumption 15PSI
~30PSI, nozzle diameter 0.3mm；
Forward direction described in step 4 switch temperature cause reversible color laminated film with a thickness of 40 μm~60 μm.
Temperature sensing color changing material described in step 3 of the present invention is bought from New Prismatic Enterprise Co., Ltd.；Model
NCC-1。
Advantages of the present invention:
One, it is positive switch that temperature prepared by the present invention, which causes reversible color laminated film, and room temperature is colourless, heating colour developing, so
It can reach the purpose for keeping product integrality for product surface；
Two, positive switch temperature prepared by the present invention causes the discoloration of reversible color laminated film sensitive, and uniform and stable, color is bright
It is beautiful；
Three, the positive switch temperature of present invention preparation causes the process of reversible color laminated film simple and Yi Shixian, step letter
About, it is convenient to operate, low in cost, is conducive to industrialization flow line production；
Four, positive switch temperature prepared by the present invention causes reversible color laminated film that can be finely adjusted to room temperature；
Five, positive switch temperature prepared by the present invention causes reversible color laminated film to have preferable elastoplasticity, environmentally protective, right
Bad border is friendly, nontoxic fanout free region.
The present invention can get a kind of preparation method of positive switch temperature cause reversible color laminated film.
Detailed description of the invention
Fig. 1 is the digital photograph that positive switch temperature prepared by embodiment one causes reversible color laminated film heating front and back, Fig. 1
In 1 cause reversible color laminated film for the positive switch temperature obtained in step 4 of embodiment one, 2 be one step of embodiment after heating
The switch temperature of forward direction obtained in rapid four causes reversible color laminated film, and 3 be one step of embodiment that room temperature is cooled to after heating
The switch temperature of forward direction obtained in four causes reversible color laminated film；
Fig. 2 is the digital photograph that positive switch temperature prepared by embodiment two causes reversible color laminated film heating front and back, Fig. 2
In 1 cause reversible color laminated film for the positive switch temperature obtained in step 4 of embodiment two, 2 be two step of embodiment after heating
The switch temperature of forward direction obtained in rapid four causes reversible color laminated film, and 3 be two step of embodiment that room temperature is cooled to after heating
The switch temperature of forward direction obtained in four causes reversible color laminated film；
Fig. 3 is the digital photograph that positive switch temperature prepared by embodiment three causes reversible color laminated film heating front and back, Fig. 3
In 1 cause reversible color laminated film for the positive switch temperature obtained in step 4 of embodiment three, 2 be three step of embodiment after heating
The switch temperature of forward direction obtained in rapid four causes reversible color laminated film, and 3 be three step of embodiment that room temperature is cooled to after heating
The switch temperature of forward direction obtained in four causes reversible color laminated film；
Fig. 4 is that the positive switch temperature of example IV preparation causes the digital photograph of reversible color laminated film heating front and back, Fig. 4
In 1 cause reversible color laminated film for example IV positive switch temperature obtained in step 4,2 be that example IV after heating walks
The switch temperature of forward direction obtained in rapid four causes reversible color laminated film, and 3 be the example IV step that room temperature is cooled to after heating
The switch temperature of forward direction obtained in four causes reversible color laminated film；
Fig. 5 is the SEM figure that positive switch temperature prepared by embodiment three causes reversible color laminated film.
Specific embodiment
Specific embodiment: present embodiment is that a kind of preparation method of positive switch temperature cause reversible color laminated film is
It completes according to the following steps:
One, glass plate pre-processes: it is using deionized water that the surface washing of glass plate is clean, reuse dehydrated alcohol profit
It washes, obtains pretreated glass plate；
Two, polyvinyl alcohol and dextrin are add to deionized water, then are 70 DEG C~75 DEG C in temperature and are with mixing speed
Magnetic agitation reacts 2h~2.5h under 750r/min~850r/min, then stands 1h~2h at room temperature, obtains mixed solution；
The quality of polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:(90mL~100mL)；
The quality of dextrin described in step 2 and the volume ratio of deionized water are 2g:(90mL~100mL)；
Three, temperature sensing color changing material is added in mixed solution obtained in step 2, then temperature be 42 DEG C~50 DEG C
It is 1.5h~2h to be stirred to react under 700r/min~750r/min, then surpass under being 100W in room temperature and ultrasonic power with mixing speed
Sound disperse 20min~30min, then at room temperature stand 5min~10min, obtain temperature sensing color changing quality of materials score be 1%~
4% coating solution；
Four, it is sprayed using the coating solution that the temperature sensing color changing quality of materials score that airbrush obtains step 3 is 1%~4%
It is reversible to obtain positive switch temperature cause by the pretreated glass pane surface obtained in step 1, natural air drying 5min~60min
Change colour laminated film；
The spraying condition of airbrush described in step 4 are as follows: blowing and spraying distance is 50mm~100mm, air consumption 15PSI
~30PSI, nozzle diameter 0.3mm；
Forward direction described in step 4 switch temperature cause reversible color laminated film with a thickness of 40 μm~60 μm.
Temperature sensing color changing material described in present embodiment step 3 is bought from New Prismatic Enterprise Co., Ltd.；Model
For NCC-1.
The advantages of present embodiment:
One, it is positive switch that the temperature of present embodiment preparation, which causes reversible color laminated film, and room temperature is colourless, heating colour developing,
So can reach the purpose for keeping product integrality for product surface；
Two, positive switch temperature prepared by present embodiment causes sensitive, uniform and stable, the color of reversible color laminated film discoloration
It is beautiful；
Three, the positive switch temperature of present embodiment preparation causes the process of reversible color laminated film simple and Yi Shixian, step
Brief, it is convenient to operate, low in cost, is conducive to industrialization flow line production；
Four, the positive switch temperature of present embodiment preparation causes reversible color laminated film that can be finely adjusted to room temperature；
Five, the positive switch temperature of present embodiment preparation causes reversible color laminated film to have preferable elastoplasticity, green ring
It protects, to bad border close friend, nontoxic fanout free region.
Present embodiment can get a kind of preparation method of positive switch temperature cause reversible color laminated film.
Specific embodiment 2: the differences between this implementation mode and the specific implementation mode are that: dextrin described in step 2
For white dextrin.Other steps are same as the specific embodiment one.
Specific embodiment 3: one of present embodiment and specific embodiment one or two difference are: institute in step 1
The size for the glass plate stated is 80mm × 40mm.Other steps are the same as one or two specific embodiments.
Specific embodiment 4: one of present embodiment and specific embodiment one to three difference are: will in step 3
Temperature sensing color changing material is added in mixed solution obtained in step 2, then is 45 DEG C in temperature and mixing speed is 700r/min
Under be stirred to react 2h, then ultrasonic disperse 25min under being 100W in room temperature and ultrasonic power, then stand 8min at room temperature is obtained
The coating solution that temperature sensing color changing quality of materials score is 1%.Other steps are identical as specific embodiment one to three.
Specific embodiment 5: one of present embodiment and specific embodiment one to four difference are: will in step 3
Temperature sensing color changing material is added in mixed solution obtained in step 2, then is 45 DEG C in temperature and mixing speed is 700r/min
Under be stirred to react 2h, then ultrasonic disperse 25min under being 100W in room temperature and ultrasonic power, then stand 8min at room temperature is obtained
The coating solution that temperature sensing color changing quality of materials score is 2%.Other steps are identical as specific embodiment one to four.
Specific embodiment 6: one of present embodiment and specific embodiment one to five difference are: will in step 3
Temperature sensing color changing material is added in mixed solution obtained in step 2, then is 45 DEG C in temperature and mixing speed is 700r/min
Under be stirred to react 2h, then ultrasonic disperse 25min under being 100W in room temperature and ultrasonic power, then stand 8min at room temperature is obtained
The coating solution that temperature sensing color changing quality of materials score is 3%.Other steps are identical as specific embodiment one to five.
Specific embodiment 7: one of present embodiment and specific embodiment one to six difference are: will in step 3
Temperature sensing color changing material is added in mixed solution obtained in step 2, then is 45 DEG C in temperature and mixing speed is 700r/min
Under be stirred to react 2h, then ultrasonic disperse 25min under being 100W in room temperature and ultrasonic power, then stand 8min at room temperature is obtained
The coating solution that temperature sensing color changing quality of materials score is 4%.Other steps are identical as specific embodiment one to six.
Specific embodiment 8: one of present embodiment and specific embodiment one to seven difference are: institute in step 2
The quality for the polyvinyl alcohol stated and the volume ratio of deionized water are 2g:100mL.Other steps and one to seven phase of specific embodiment
Together.
Specific embodiment 9: one of present embodiment and specific embodiment one to eight difference are: institute in step 2
The quality for the dextrin stated and the volume ratio of deionized water are 2g:100mL.Other steps are identical as specific embodiment one to eight.
Specific embodiment 10: one of present embodiment and specific embodiment one to nine difference are: institute in step 4
The spraying condition for the airbrush stated are as follows: blowing and spraying distance is 80mm, air consumption 20PSI, nozzle diameter 0.3mm.Other steps
It is identical as specific embodiment one to nine.
Beneficial effects of the present invention are verified using following embodiment:
Embodiment one: a kind of positive switch temperature causes the preparation method of reversible color laminated film, is to complete according to the following steps
:
One, glass plate pre-processes: it is using deionized water that the surface washing of glass plate is clean, reuse dehydrated alcohol profit
It washes, obtains pretreated glass plate；
The size of glass plate described in step 1 is 80mm × 40mm；
Two, polyvinyl alcohol and dextrin are add to deionized water, then are 75 DEG C in temperature and mixing speed is 800r/
Magnetic agitation reacts 2h under min, then stands 2h at room temperature, obtains mixed solution；
Dextrin described in step 2 is white dextrin；
The quality of polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:100mL；
The quality of dextrin described in step 2 and the volume ratio of deionized water are 2g:100mL；
Three, temperature sensing color changing material is added in mixed solution obtained in step 2, then for 45 DEG C and is stirred in temperature
Speed is to be stirred to react 2h under 700r/min, then ultrasonic disperse 25min under being 100W in room temperature and ultrasonic power, then at room temperature
8min is stood, the coating solution that temperature sensing color changing quality of materials score is 1% is obtained；
Four, the coating solution that the temperature sensing color changing quality of materials score that step 3 obtains is 1% is sprayed at step using airbrush
Pretreated glass pane surface obtained in rapid one, natural air drying 30min obtain positive switch temperature and cause reversible color THIN COMPOSITE
Film；
The spraying condition of airbrush described in step 4 are as follows: blowing and spraying distance is 80mm, air consumption 20PSI, jet hole
Diameter is 0.3mm；
Forward direction described in step 4 switch temperature cause reversible color laminated film with a thickness of 40 μm.
Temperature sensing color changing material described in one step 3 of embodiment is bought from New Prismatic Enterprise Co., Ltd.；Model
NCC-1。
Positive switch temperature prepared by embodiment one causes reversible color laminated film to be heated to 60 DEG C from room temperature, then naturally cold
But to 30 DEG C, the situation of change for heating front and back is as shown in Figure 1；
Fig. 1 is the digital photograph that positive switch temperature prepared by embodiment one causes reversible color laminated film heating front and back, Fig. 1
In 1 cause reversible color laminated film for the positive switch temperature obtained in step 4 of embodiment one, 2 be one step of embodiment after heating
The switch temperature of forward direction obtained in rapid four causes reversible color laminated film, and 3 be one step of embodiment that room temperature is cooled to after heating
The switch temperature of forward direction obtained in four causes reversible color laminated film；
From fig. 1, it can be seen that it is positive switch that temperature prepared by embodiment one, which causes reversible color laminated film, room temperature is colourless, heating
Colour developing, temperature cause the discoloration of reversible color laminated film sensitive, and uniform and stable, color is beautiful, can long-acting use repeatedly.
Positive switch temperature prepared by embodiment one causes reversible color laminated film to be put into constant temperature oven, heats up from 30 DEG C
To 60 DEG C, 5 DEG C are a gradient, each gradient constant-temperatureactivation 2min therebetween.Just with the preparation of digital camera whole process record embodiment one
The colourshifting process of each gradient when causing the heating of reversible color laminated film to switch temperature, later using using Adobe
The Surface lightness (L*) for the positive switch temperature cause reversible color laminated film that photoshop CS6 software prepares embodiment one,
Red green index (a*), champac index (b*) value are analyzed.The positive switch temperature that respectively prepared by measurement embodiment one causes possibility of reversal
The temperature of color laminated film becomes front and back variation, and same position is taken to be located at upper left, upper right, lower-left, bottom right, interposition from sample
L*, a* and b* value for five points set；Wherein the background of photo is blank sheet of paper, so the colorimetric parameter before heating is blank sheet of paper and film
The colorimetric parameter of superposition, the colorimetric parameter after heating are thermochromic material and the coefficient colorimetric parameter of blank sheet of paper.Every group has
Three check experiments, every group of sample measure L*, a* and b* value of five points respectively, its average value average value are found out, according to formula
(1), (2), (3), (4) calculate the color after forward direction prepared by embodiment one switchs temperature cause reversible color laminated film before heating
Difference:
Δ L*=L2-L1 (1)
Δ a*=a2-a1 (2)
Δ b*=b2-b1 (3)
Wherein L1、a1And b1Numerical value before the heating of reversible color laminated film is caused for positive switch temperature prepared by embodiment one,
L2、a2And b2Numerical value after the positive switch temperature cause reversible color laminated film heating prepared for embodiment one.
Positive switch temperature prepared by embodiment one causes Δ L*, Δ a*, Δ b* and the Δ E* value of reversible color laminated film to see
Shown in table 1.
Embodiment two: a kind of positive switch temperature causes the preparation method of reversible color laminated film, is to complete according to the following steps
:
One, glass plate pre-processes: it is using deionized water that the surface washing of glass plate is clean, reuse dehydrated alcohol profit
It washes, obtains pretreated glass plate；
The size of glass plate described in step 1 is 80mm × 40mm；
Two, polyvinyl alcohol and dextrin are add to deionized water, then are 75 DEG C in temperature and mixing speed is 800r/
Magnetic agitation reacts 2h under min, then stands 2h at room temperature, obtains mixed solution；
Dextrin described in step 2 is white dextrin；
The quality of polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:100mL；
The quality of dextrin described in step 2 and the volume ratio of deionized water are 2g:100mL；
Three, temperature sensing color changing material is added in mixed solution obtained in step 2, then for 45 DEG C and is stirred in temperature
Speed is to be stirred to react 2h under 700r/min, then ultrasonic disperse 25min under being 100W in room temperature and ultrasonic power, then at room temperature
8min is stood, the coating solution that temperature sensing color changing quality of materials score is 2% is obtained；
Four, the coating solution that the temperature sensing color changing quality of materials score that step 3 obtains is 2% is sprayed at step using airbrush
Pretreated glass pane surface obtained in rapid one, natural air drying 30min obtain positive switch temperature and cause reversible color THIN COMPOSITE
Film；
The spraying condition of airbrush described in step 4 are as follows: blowing and spraying distance is 80mm, air consumption 20PSI, jet hole
Diameter is 0.3mm；
Forward direction described in step 4 switch temperature cause reversible color laminated film with a thickness of 42 μm.
Temperature sensing color changing material described in two step 3 of embodiment is bought from New Prismatic Enterprise Co., Ltd.；Model
NCC-1。
Positive switch temperature prepared by embodiment two causes reversible color laminated film to be heated to 60 DEG C from room temperature, then naturally cold
But to 30 DEG C, the situation of change for heating front and back is as shown in Figure 2；
Fig. 2 is the digital photograph that positive switch temperature prepared by embodiment two causes reversible color laminated film heating front and back, Fig. 2
In 1 cause reversible color laminated film for the positive switch temperature obtained in step 4 of embodiment two, 2 be two step of embodiment after heating
The switch temperature of forward direction obtained in rapid four causes reversible color laminated film, and 3 be two step of embodiment that room temperature is cooled to after heating
The switch temperature of forward direction obtained in four causes reversible color laminated film；
As can be seen from Figure 2, it is positive switch that the temperature that prepared by embodiment two, which causes reversible color laminated film, and room temperature is colourless, heating
Colour developing, temperature cause the discoloration of reversible color laminated film sensitive, and uniform and stable, color is beautiful, can long-acting use repeatedly.
Positive switch temperature prepared by embodiment two causes reversible color laminated film to be put into constant temperature oven, heats up from 30 DEG C
To 60 DEG C, 5 DEG C are a gradient, each gradient constant-temperatureactivation 2min therebetween.Just with the preparation of digital camera whole process record embodiment two
The colourshifting process of each gradient when causing the heating of reversible color laminated film to switch temperature, later using using Adobe
The Surface lightness (L*) for the positive switch temperature cause reversible color laminated film that photoshop CS6 software prepares embodiment two,
Red green index (a*), champac index (b*) value are analyzed.The positive switch temperature that respectively prepared by measurement embodiment two causes possibility of reversal
The temperature of color laminated film becomes front and back variation, and same position is taken to be located at upper left, upper right, lower-left, bottom right, interposition from sample
L*, a* and b* value for five points set；Wherein the background of photo is blank sheet of paper, so the colorimetric parameter before heating is blank sheet of paper and film
The colorimetric parameter of superposition, the colorimetric parameter after heating are thermochromic material and the coefficient colorimetric parameter of blank sheet of paper.Every group has
Three check experiments, every group of sample measure L*, a* and b* value of five points respectively, its average value average value are found out, according to formula
(1), (2), (3), (4) calculate the color after forward direction prepared by embodiment two switchs temperature cause reversible color laminated film before heating
Difference:
Δ L*=L2-L1 (1)
Δ a*=a2-a1 (2)
Δ b*=b2-b1 (3)
Wherein L1、a1And b1Numerical value before the heating of reversible color laminated film is caused for positive switch temperature prepared by embodiment two,
L2、a2And b2Numerical value after the positive switch temperature cause reversible color laminated film heating prepared for embodiment two.
Positive switch temperature prepared by embodiment two causes Δ L*, Δ a*, Δ b* and the Δ E* value of reversible color laminated film to see
Shown in table 1.
Embodiment three: a kind of positive switch temperature causes the preparation method of reversible color laminated film, is to complete according to the following steps
:
One, glass plate pre-processes: it is using deionized water that the surface washing of glass plate is clean, reuse dehydrated alcohol profit
It washes, obtains pretreated glass plate；
The size of glass plate described in step 1 is 80mm × 40mm；
Two, polyvinyl alcohol and dextrin are add to deionized water, then are 75 DEG C in temperature and mixing speed is 800r/
Magnetic agitation reacts 2h under min, then stands 2h at room temperature, obtains mixed solution；
Dextrin described in step 2 is white dextrin；
The quality of polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:100mL；
The quality of dextrin described in step 2 and the volume ratio of deionized water are 2g:100mL；
Three, temperature sensing color changing material is added in mixed solution obtained in step 2, then for 45 DEG C and is stirred in temperature
Speed is to be stirred to react 2h under 700r/min, then ultrasonic disperse 25min under being 100W in room temperature and ultrasonic power, then at room temperature
8min is stood, the coating solution that temperature sensing color changing quality of materials score is 3% is obtained；
Four, the coating solution that the temperature sensing color changing quality of materials score that step 3 obtains is 3% is sprayed at step using airbrush
Pretreated glass pane surface obtained in rapid one, natural air drying 30min obtain positive switch temperature and cause reversible color THIN COMPOSITE
Film；
The spraying condition of airbrush described in step 4 are as follows: blowing and spraying distance is 80mm, air consumption 20PSI, jet hole
Diameter is 0.3mm；
Forward direction described in step 4 switch temperature cause reversible color laminated film with a thickness of 48 μm.
Temperature sensing color changing material described in three step 3 of embodiment is bought from New Prismatic Enterprise Co., Ltd.；Model
NCC-1。
Positive switch temperature prepared by embodiment three causes reversible color laminated film to be heated to 60 DEG C from room temperature, then naturally cold
But to 30 DEG C, the situation of change for heating front and back is as shown in Figure 3；
Fig. 3 is the digital photograph that positive switch temperature prepared by embodiment three causes reversible color laminated film heating front and back, Fig. 3
In 1 cause reversible color laminated film for the positive switch temperature obtained in step 4 of embodiment three, 2 be three step of embodiment after heating
The switch temperature of forward direction obtained in rapid four causes reversible color laminated film, and 3 be three step of embodiment that room temperature is cooled to after heating
The switch temperature of forward direction obtained in four causes reversible color laminated film；
As can be seen from Figure 3, it is positive switch that the temperature that prepared by embodiment three, which causes reversible color laminated film, and room temperature is colourless, heating
Colour developing, temperature cause the discoloration of reversible color laminated film sensitive, and uniform and stable, color is beautiful, can long-acting use repeatedly.
Positive switch temperature prepared by embodiment three causes reversible color laminated film to be put into constant temperature oven, heats up from 30 DEG C
To 60 DEG C, 5 DEG C are a gradient, each gradient constant-temperatureactivation 2min therebetween.Just with the preparation of digital camera whole process record embodiment three
The colourshifting process of each gradient when causing the heating of reversible color laminated film to switch temperature, later using using Adobe
The Surface lightness (L*) for the positive switch temperature cause reversible color laminated film that photoshop CS6 software prepares embodiment three,
Red green index (a*), champac index (b*) value are analyzed.The positive switch temperature that respectively prepared by measurement embodiment three causes possibility of reversal
The temperature of color laminated film becomes front and back variation, and same position is taken to be located at upper left, upper right, lower-left, bottom right, interposition from sample
L*, a* and b* value for five points set；Wherein the background of photo is blank sheet of paper, so the colorimetric parameter before heating is blank sheet of paper and film
The colorimetric parameter of superposition, the colorimetric parameter after heating are thermochromic material and the coefficient colorimetric parameter of blank sheet of paper.Every group has
Three check experiments, every group of sample measure L*, a* and b* value of five points respectively, its average value average value are found out, according to formula
(1), (2), (3), (4) calculate the color after forward direction prepared by embodiment three switchs temperature cause reversible color laminated film before heating
Difference:
Δ L*=L2-L1 (1)
Δ a*=a2-a1 (2)
Δ b*=b2-b1 (3)
Wherein L1、a1And b1Numerical value before the heating of reversible color laminated film is caused for positive switch temperature prepared by embodiment three,
L2、a2And b2Numerical value after the positive switch temperature cause reversible color laminated film heating prepared for embodiment three.
Positive switch temperature prepared by embodiment three causes Δ L*, Δ a*, Δ b* and the Δ E* value of reversible color laminated film to see
Shown in table 1.
Example IV: a kind of positive switch temperature causes the preparation method of reversible color laminated film, is to complete according to the following steps
:
One, glass plate pre-processes: it is using deionized water that the surface washing of glass plate is clean, reuse dehydrated alcohol profit
It washes, obtains pretreated glass plate；
The size of glass plate described in step 1 is 80mm × 40mm；
Two, polyvinyl alcohol and dextrin are add to deionized water, then are 75 DEG C in temperature and mixing speed is 800r/
Magnetic agitation reacts 2h under min, then stands 2h at room temperature, obtains mixed solution；
Dextrin described in step 2 is white dextrin；
The quality of polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:100mL；
The quality of dextrin described in step 2 and the volume ratio of deionized water are 2g:100mL；
Three, temperature sensing color changing material is added in mixed solution obtained in step 2, then for 45 DEG C and is stirred in temperature
Speed is to be stirred to react 2h under 700r/min, then ultrasonic disperse 25min under being 100W in room temperature and ultrasonic power, then at room temperature
8min is stood, the coating solution that temperature sensing color changing quality of materials score is 4% is obtained；
Four, the coating solution that the temperature sensing color changing quality of materials score that step 3 obtains is 4% is sprayed at step using airbrush
Pretreated glass pane surface obtained in rapid one, natural air drying 30min obtain positive switch temperature and cause reversible color THIN COMPOSITE
Film；
The spraying condition of airbrush described in step 4 are as follows: blowing and spraying distance is 80mm, air consumption 20PSI, jet hole
Diameter is 0.3mm；
Forward direction described in step 4 switch temperature cause reversible color laminated film with a thickness of 57 μm.
Temperature sensing color changing material described in example IV step 3 is bought from New Prismatic Enterprise Co., Ltd.；Model
NCC-1。
Reversible color laminated film is caused to be heated to 60 DEG C from room temperature the positive switch temperature of example IV preparation, then naturally cold
But to 30 DEG C, the situation of change for heating front and back is as shown in Figure 4；
Fig. 4 is that the positive switch temperature of example IV preparation causes the digital photograph of reversible color laminated film heating front and back, Fig. 4
In 1 cause reversible color laminated film for example IV positive switch temperature obtained in step 4,2 be that example IV after heating walks
The switch temperature of forward direction obtained in rapid four causes reversible color laminated film, and 3 be the example IV step that room temperature is cooled to after heating
The switch temperature of forward direction obtained in four causes reversible color laminated film；
As can be seen from Figure 4, it is positive switch that the temperature of example IV preparation, which causes reversible color laminated film, and room temperature is colourless, heating
Colour developing, temperature cause the discoloration of reversible color laminated film sensitive, and uniform and stable, color is beautiful, can long-acting use repeatedly.
It causes reversible color laminated film to be put into constant temperature oven the positive switch temperature of example IV preparation, heats up from 30 DEG C
To 60 DEG C, 5 DEG C are a gradient, each gradient constant-temperatureactivation 2min therebetween.Just with the preparation of digital camera whole process record example IV
The colourshifting process of each gradient when causing the heating of reversible color laminated film to switch temperature, later using using Adobe
The Surface lightness (L*) for the positive switch temperature cause reversible color laminated film that photoshop CS6 software prepares example IV,
Red green index (a*), champac index (b*) value are analyzed.The positive switch temperature of measurement example IV preparation causes possibility of reversal respectively
The temperature of color laminated film becomes front and back variation, and same position is taken to be located at upper left, upper right, lower-left, bottom right, interposition from sample
L*, a* and b* value for five points set；Wherein the background of photo is blank sheet of paper, so the colorimetric parameter before heating is blank sheet of paper and film
The colorimetric parameter of superposition, the colorimetric parameter after heating are thermochromic material and the coefficient colorimetric parameter of blank sheet of paper.Every group has
Three check experiments, every group of sample measure L*, a* and b* value of five points respectively, its average value average value are found out, according to formula
(1), (2), (3), (4) calculate the color after forward direction prepared by example IV switchs temperature cause reversible color laminated film before heating
Difference:
Δ L*=L2-L1 (1)
Δ a*=a2-a1 (2)
Δ b*=b2-b1 (3)
Wherein L1、a1And b1Numerical value before the heating of reversible color laminated film is caused for the positive switch temperature of example IV preparation,
L2、a2And b2For numerical value after the positive switch temperature cause reversible color laminated film heating of example IV preparation.
The positive switch temperature of example IV preparation causes Δ L*, Δ a*, Δ b* and the Δ E* value of reversible color laminated film to see
Shown in table 1.
Table 1
Note: L is lightness index, the red green axis chromaticity index of a expression, b expression champac axis chromaticity index；L1、a1、b1It represents and adds
Measurement result before heat；L2、a2、b2Measurement result after representing heating；Δ L*, Δ a*, Δ b*, Δ E* represent heating front and back
Difference.
Fig. 5 is that positive switch temperature prepared by embodiment three causes the SEM figure of reversible color laminated film to implement as can be seen from Figure 5
Positive switch temperature prepared by example three causes reversible color laminated film very smooth, homogeneous.
Claims (4)
1. the preparation method that a kind of positive switch temperature causes reversible color laminated film, it is characterised in that this method is according to the following steps
It completes:
One, glass plate pre-processes: it is using deionized water that the surface washing of glass plate is clean, dehydrated alcohol rinse is reused, is obtained
To pretreated glass plate；
The size of glass plate described in step 1 is 80mm × 40mm；
Two, polyvinyl alcohol and dextrin are add to deionized water, then in the case where temperature is 75 DEG C and mixing speed is 800r/min
Magnetic agitation reacts 2h, then stands 2h at room temperature, obtains mixed solution；
Dextrin described in step 2 is white dextrin；
The quality of polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:100mL；
The quality of dextrin described in step 2 and the volume ratio of deionized water are 2g:100mL；
Three, temperature sensing color changing material is added in mixed solution obtained in step 2, then temperature be 45 DEG C and mixing speed
To be stirred to react 2h under 700r/min, then ultrasonic disperse 25min under being 100W in room temperature and ultrasonic power, then stand at room temperature
8min obtains the coating solution that temperature sensing color changing quality of materials score is 1%；
Four, the coating solution that the temperature sensing color changing quality of materials score that step 3 obtains is 1% is sprayed at step 1 using airbrush
Obtained in pretreated glass pane surface, natural air drying 30min obtains positive switch temperature and causes reversible color laminated film；
The spraying condition of airbrush described in step 4 are as follows: blowing and spraying distance is 80mm, air consumption 20PSI, and nozzle diameter is
0.3mm；
Forward direction described in step 4 switch temperature cause reversible color laminated film with a thickness of 40 μm.
2. the preparation method that a kind of positive switch temperature causes reversible color laminated film, it is characterised in that this method is according to the following steps
It completes:
One, glass plate pre-processes: it is using deionized water that the surface washing of glass plate is clean, dehydrated alcohol rinse is reused, is obtained
To pretreated glass plate；
The size of glass plate described in step 1 is 80mm × 40mm；
Two, polyvinyl alcohol and dextrin are add to deionized water, then in the case where temperature is 75 DEG C and mixing speed is 800r/min
Magnetic agitation reacts 2h, then stands 2h at room temperature, obtains mixed solution；
Dextrin described in step 2 is white dextrin；
The quality of polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:100mL；
The quality of dextrin described in step 2 and the volume ratio of deionized water are 2g:100mL；
Three, temperature sensing color changing material is added in mixed solution obtained in step 2, then temperature be 45 DEG C and mixing speed
To be stirred to react 2h under 700r/min, then ultrasonic disperse 25min under being 100W in room temperature and ultrasonic power, then stand at room temperature
8min obtains the coating solution that temperature sensing color changing quality of materials score is 2%；
Four, the coating solution that the temperature sensing color changing quality of materials score that step 3 obtains is 2% is sprayed at step 1 using airbrush
Obtained in pretreated glass pane surface, natural air drying 30min obtains positive switch temperature and causes reversible color laminated film；
The spraying condition of airbrush described in step 4 are as follows: blowing and spraying distance is 80mm, air consumption 20PSI, and nozzle diameter is
0.3mm；
Forward direction described in step 4 switch temperature cause reversible color laminated film with a thickness of 42 μm.
3. the preparation method that a kind of positive switch temperature causes reversible color laminated film, it is characterised in that this method is according to the following steps
It completes:
One, glass plate pre-processes: it is using deionized water that the surface washing of glass plate is clean, dehydrated alcohol rinse is reused, is obtained
To pretreated glass plate；
The size of glass plate described in step 1 is 80mm × 40mm；
Two, polyvinyl alcohol and dextrin are add to deionized water, then in the case where temperature is 75 DEG C and mixing speed is 800r/min
Magnetic agitation reacts 2h, then stands 2h at room temperature, obtains mixed solution；
Dextrin described in step 2 is white dextrin；
The quality of polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:100mL；
The quality of dextrin described in step 2 and the volume ratio of deionized water are 2g:100mL；
Three, temperature sensing color changing material is added in mixed solution obtained in step 2, then temperature be 45 DEG C and mixing speed
To be stirred to react 2h under 700r/min, then ultrasonic disperse 25min under being 100W in room temperature and ultrasonic power, then stand at room temperature
8min obtains the coating solution that temperature sensing color changing quality of materials score is 3%；
Four, the coating solution that the temperature sensing color changing quality of materials score that step 3 obtains is 3% is sprayed at step 1 using airbrush
Obtained in pretreated glass pane surface, natural air drying 30min obtains positive switch temperature and causes reversible color laminated film；
The spraying condition of airbrush described in step 4 are as follows: blowing and spraying distance is 80mm, air consumption 20PSI, and nozzle diameter is
0.3mm；
Forward direction described in step 4 switch temperature cause reversible color laminated film with a thickness of 48 μm.
4. the preparation method that a kind of positive switch temperature causes reversible color laminated film, it is characterised in that this method is according to the following steps
It completes:
One, glass plate pre-processes: it is using deionized water that the surface washing of glass plate is clean, dehydrated alcohol rinse is reused, is obtained
To pretreated glass plate；
The size of glass plate described in step 1 is 80mm × 40mm；
Two, polyvinyl alcohol and dextrin are add to deionized water, then in the case where temperature is 75 DEG C and mixing speed is 800r/min
Magnetic agitation reacts 2h, then stands 2h at room temperature, obtains mixed solution；
Dextrin described in step 2 is white dextrin；
The quality of polyvinyl alcohol described in step 2 and the volume ratio of deionized water are 2g:100mL；
The quality of dextrin described in step 2 and the volume ratio of deionized water are 2g:100mL；
Three, temperature sensing color changing material is added in mixed solution obtained in step 2, then temperature be 45 DEG C and mixing speed
To be stirred to react 2h under 700r/min, then ultrasonic disperse 25min under being 100W in room temperature and ultrasonic power, then stand at room temperature
8min obtains the coating solution that temperature sensing color changing quality of materials score is 4%；
Four, the coating solution that the temperature sensing color changing quality of materials score that step 3 obtains is 4% is sprayed at step 1 using airbrush
Obtained in pretreated glass pane surface, natural air drying 30min obtains positive switch temperature and causes reversible color laminated film；
The spraying condition of airbrush described in step 4 are as follows: blowing and spraying distance is 80mm, air consumption 20PSI, and nozzle diameter is
0.3mm；
Forward direction described in step 4 switch temperature cause reversible color laminated film with a thickness of 57 μm.
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| Title |
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| Fabrication of smart coatings based on wood substrates with photoresponsive behavior and hydrophobic performance;Bin hui等;《Materials and Design》;20150627(第84期);277-284 |
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