CN106634462B - One kind is up to because being worth cured film - Google Patents
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- CN106634462B CN106634462B CN201611207128.0A CN201611207128A CN106634462B CN 106634462 B CN106634462 B CN 106634462B CN 201611207128 A CN201611207128 A CN 201611207128A CN 106634462 B CN106634462 B CN 106634462B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
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- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
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- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
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Abstract
One kind up to because being worth cured film, being coated with the hardened layer that hardened layer coating fluid is formed by curing, the component and parts by weight of the hardened layer coating fluid including PET support and PET support at least one side are as follows: 15 parts by weight of matrix resin~50 parts by weight；2 parts by weight of oxide particle~10 parts by weight；0.05 parts by weight of surface modifier~5.0 parts by weight；0.05 parts by weight of photoinitiator~7.0 parts by weight；40 parts by weight of solvent~80 parts by weight.Dyne value of the invention can satisfy the requirement of the subsequent ITO coating process of client, printing ink printing art up to 38Dyne~46Dyne.
Description
Technical field
It is especially a kind of with up to because of the cured film of value the present invention relates to coating composition.
Background technique
Cured film is that one kind carries out the obtained film product of Surface hardening treatment on PET support.The product has good
Good optical property, excellent damage resistant, heat resistance and apparent mass.It is mainly used for touch screen industry, is widely used in touching
Control panel, liquid crystal display, instrument face plate, mobile phone, tablet computer, digital camera, notebook computer and industrial display
Device etc..Cured film product category is various currently on the market, and common hardness 1H~4H has volume production, in subsequent processing, in addition to right
The requirement of basic performance also requires its cementation zone to have good adhesion to ink, to guarantee excellent printing effect,
ITO plated film, to reach better ITO coating effects, also there is certain requirement to its adhesion property in cured film product.Research
It was found that cured film product surface dyne value is higher, adhesion property is better, and subsequent ink printing and coating effects are also better.Market
Upper existing cured film product surface dyne value is mostly in 32Dyne~36Dyne or so, and its dyne of value can be with time and storage
Different degrees of decaying is presented in the difference for depositing condition, causes printing and coating effects to be deteriorated, coating is easy to fall off, it is difficult to long-term to meet
The requirement of downstream client.
In order to improve the surface tension of cured film, make it have it is stable up to because of value, to be preferably downstream client
It is used, in the industry there is an urgent need to find suitable hardening formula and production method, is made a kind of with up to because of the cured film of value
Product.
Summary of the invention
The main object of the present invention is to provide one kind up to because of value cured film, and dyne value is in 38Dyne or more, to ensure
There are excellent printing performance and adhesion property in ink printing and ITO coating process.
To achieve this purpose, the present invention adopts the following technical scheme:
One kind is up to because value cured film, including PET support and PET support at least one side are coated with hardened layer coating
The hardened layer that liquid is formed by curing, the component and part of the hardened layer coating fluid are as follows:
15 parts by weight of matrix resin~50 parts by weight；
2 parts by weight of oxide particle~10 parts by weight；
0.05 parts by weight of surface modifier~5.0 parts by weight；
0.05 parts by weight of photoinitiator~7.0 parts by weight；
40 parts by weight of solvent~80 parts by weight；
Viscosity, solid content and the dry solidification process conditions of the hardened layer coating fluid meet following formula:
Wherein: η is the viscosity of the hardened layer coating fluid, unit mPa.s；P is that the UV of the hardened layer coating fluid solidifies
Energy, unit J/cm2；SC is the solid content percentage of the hardened layer coating fluid；K is the tuningout system of the hardened layer coating fluid
Number,N is the n dryer section passed through；T is drying temperature, unit K；T1-T2-T3-...-TnFinger is followed successively by respectively
The drying temperature of n dryer section；T is time of the coated product Jing Guo each drying temperature section, unit s；It is corresponding to pass through each temperature
The time for spending section is respectively t1-t2-t3-...-tn；TθFor normal temperature, Tθ=273.15K.
Above-mentioned to be up to because being worth cured film, the matrix resin is polyester acrylate, epoxy acrylate, polyurethane propylene
One or more of acid esters or polyether acrylate.
Above-mentioned to be up to because being worth cured film, the oxide particle is one in silicon dioxide granule or metal oxide particle
Kind is several.
It is above-mentioned up to because being worth cured film, the surface modifier is the alkyl-modified organosilicon of aralkyl, polyether-modified organic
One of silicon, Polyacrylate Modified by Polysiloxane, the polyester resin change properties of organic silicon class surface modifier of acid functional group containing propylene
Or it is several.
Above-mentioned to be up to because being worth cured film, the photoinitiator is 1- hydroxycyclohexyl phenyl ketone, 2- hydroxy-2-methyl-
One or more of 1- phenyl -1- acetone.
Above-mentioned to be up to because being worth cured film, the solvent is water-alcohol class mixed solvent or esters -one class mixed solvent.
Above-mentioned to be up to because being worth cured film, the product drying solidification uses stage drying technique, and institute's segments is 3 sections~9
Section, each dryer section set different temperatures.
Above-mentioned to be up to because being worth cured film, the dryer section drying temperature is 293K~393K.
Above-mentioned to be up to because being worth cured film, the hardened layer coating fluid coating method is micro gravure coating, comma roller coating
Or slit type extrusion pressing type coating.
It is above-mentioned up to because being worth cured film, the PET support with a thickness of 50 μm~188 μm, hardened layer apply thickness be 0.8 μm~
3.5μm。
Compared with prior art,
1, hardened layer coating fluid of the present invention can form up on PET support surface because of value, high rigidity, wear-resisting and tool
There is the hardened layer of excellent optical property, printing performance and good ITO coating performance.
2, prepared cured film dyne is worth up to 38Dyne~46Dyne, can satisfy subsequent ITO coating process, ink
The requirement of printing technology.
3, the present invention uses stage drying technique, is coated with according to the hardened layer coating fluid average intrinsic viscosity and hardened layer
Fluid solid content selects drying temperature, the drying time of different UV solidification energies and different temperature zones.On the one hand the hardening is controlled
Layer rate of drying is made described hard by reaction rate between alternating temperature process control high-molecular compound chemical bond and reaction time
It is gradual drying to change layer.The hardening layer surface is because extent of chemical reaction difference generates the chain polymer of different length, described
Hardening layer surface generates tiny microstructural differences, and it is stable up to because of value to guarantee that the hardened layer has, improves the hardening
The surface then performance of layer.Because being to change the apparent property of the hardened layer by changing chemical structure in this way, change
It learns structure and determines its property, its surface chemical structure will not be had an impact in later period storage transport, to ensure that institute
State the stability of cured film product surface dyne value.On the other hand, using stage drying, temperature is gradual change, also ensures institute
Following process use will not be influenced in the drying process because temperature jump generates obvious warpage by stating cured film product.
4, provided by the invention up to because value cured film is by high temperature experiment (85 DEG C/500h), high temperature and humidity experiment (temperature
Spend 60 DEG C, humidity 90RH/500h), cooling thermal impact experiment (temperature is recycled 100 times by -40 DEG C to 60 DEG C, and each temperature stops 1h)
Afterwards, surface dynes value is still able to maintain in 38Dyne or more, and every basic performance is without significant change.
Specific embodiment
To further illustrate the technical scheme of the present invention combined with specific embodiments below.
Embodiment 1
The each component and parts by weight of cured film coating fluid are as follows:
In six acrylate of 14g aliphatic [manufacture of Taiwan Double Bond Chemical Ind.,Co.,Ltd., trade name: in 571]
7g bisphenol-A epoxy acrylic resin [manufacture of Taiwan Double Bond Chemical Ind.,Co.,Ltd., trade name: 127-TP20], stirring is added
5g silica nanometer additive [manufacture of Bi Ke chemistry, trade name: NANOBYK-3651] is added after uniformly, is again stirring for uniformly
The alkyl-modified organosilicon of 0.05g surface modifier aralkyl [manufacture of Bi Ke chemistry, trade name: BYK-322] is added afterwards, 2g light draws
Agent 1- hydroxycyclohexyl phenyl ketone [manufacture of Taiwan Double Bond Chemical Ind.,Co.,Ltd., trade name: Doublecure 184] is sent out,
It is stirring evenly and then adding into 49g methylisobutylketone and the dilution of 22.9g butanone, 1-2h is stood after being sufficiently stirred, obtains the hardened layer
Coating fluid.
By the hardened layer coating fluid be coated on PET support it is two-sided on, the PET support is micro- with a thickness of 50
Rice, it is 0.8 micron that control, which applies thickness,.Coating fluid viscosity is 2.31mPa.s, solid content 21%, through 293K-333K- after tested
358K stage drying, the time by each dryer section are respectively 90s-60s-120s, then carry out UV solidification, UV solidification energy
About 0.43J/cm2, UV after curing completely obtains described up to because of value cured film.
Viscosity, solid content and the dry solidification process conditions of the hardened layer coating fluid meet following formula:
Wherein: η is the viscosity of the hardened layer coating fluid, unit mPa.s；P is that the UV of the hardened layer coating fluid solidifies
Energy, unit J/cm2；SC is the solid content percentage of the hardened layer coating fluid；K is the tuningout system of the hardened layer coating fluid
Number,N is the n dryer section passed through；T is drying temperature, unit K；T1-T2-T3-...-TnFinger is followed successively by respectively
The drying temperature of n dryer section；T is time of the coated product Jing Guo each drying temperature section, unit s；It is corresponding to pass through each temperature
The time for spending section is respectively t1-t2-t3-...-tn；TθFor normal temperature, Tθ=273.15K.
Described up to because being worth cured film, a dyne value is 46Dyne after tested, high by high temperature experiment (85 DEG C/500h), high temperature
Wet experiment (temperature 60 C, humidity 90%RH/500h), cooling thermal impact experiment (temperature by -40 DEG C to 60 DEG C recycle 100 times, each
- 40 DEG C and 60 DEG C of circulation each stop 1h) after, it is described up to because value cured film surface dynes value is still able to maintain 46Dyne and each
Item basic performance is without significant change.
Embodiment 2
The each component and parts by weight of cured film coating fluid are as follows:
In the solvent modified polyurethane acrylate resin of 12g [manufacture of Taiwan Changxing Chemical Industry Co Ltd, commodity
Name: DR-U092] in be added 3g epoxy acrylate [Sartomer Asia Co., Ltd manufacture, trade name: CN104NS], stirring is equal
2g silica nanometer additive [manufacture of Bi Ke chemistry, trade name: NANOBYK-3651] is added after even, after being again stirring for uniformly
3g surface modifier organic silicon modified by polyether [manufacture of Bi Ke chemistry, trade name: BYK-325], 7.0g photoinitiator 1- hydroxyl is added
Cyclohexyl phenyl ketone [manufacture of Taiwan Double Bond Chemical Ind.,Co.,Ltd., trade name: Doublecure 184], after mixing evenly
48.5g methylisobutylketone and the dilution of 31.5g propylene glycol monomethyl ether is added, stands 1-2h after being sufficiently stirred, obtains the hardened layer
Coating fluid.
By the hardened layer coating fluid be coated on PET support it is two-sided on, the PET support is micro- with a thickness of 188
Rice, it is 1.5 microns that control, which applies thickness,.Above-mentioned coating fluid viscosity is 2.03mPa.s, solid content 15%, through 313K- after tested
333K-363K-348K stage drying, the time by each dryer section are respectively 60s-60s-60s-60s, and it is solid then to carry out UV
Change, UV solidification energy about 0.49J/cm2, UV after curing completely obtains described up to because of value cured film.
Viscosity, solid content and the dry solidification process conditions of the hardened layer coating fluid meet following formula:
Wherein: η is the viscosity of the hardened layer coating fluid, unit mPa.s；P is that the UV of the hardened layer coating fluid solidifies
Energy, unit J/cm2；SC is the solid content percentage of the hardened layer coating fluid；K is the tuningout system of the hardened layer coating fluid
Number,N is the n dryer section passed through；T is drying temperature, unit K；T1-T2-T3-...-TnFinger is followed successively by respectively
The drying temperature of n dryer section；T is time of the coated product Jing Guo each drying temperature section, unit s；It is corresponding to pass through each temperature
The time for spending section is respectively t1-t2-t3-...-tn；TθFor normal temperature, Tθ=273.15K.
Described up to because being worth cured film, a dyne value is 44Dyne after tested, high by high temperature experiment (85 DEG C/500h), high temperature
Wet experiment (temperature 60 C, humidity 90%RH/500h), cooling thermal impact experiment (temperature by -40 DEG C to 60 DEG C recycle 100 times, each
- 40 DEG C and 60 DEG C of circulation each stop 1h) after, it is described up to because value cured film surface dynes value is still able to maintain 44Dyne and each
Item basic performance is without significant change.
Embodiment 3
The each component and parts by weight of cured film coating fluid are as follows:
9g is added in 30g polyurethane acrylate resin [manufacture of Sartomer Asia Co., Ltd, trade name: CN750]
Zinc-oxide nano additive [manufacture of Bi Ke chemistry, trade name: NANOBYK-3860], is stirring evenly and then adding into 1.5g surface modifier
[this special chemical company of hamming, trade name: Adherant ADK], 7g photoinitiator 2- hydroxy-2-methyl -1- phenyl -1- third
Ketone [manufacture of Taiwan Double Bond Chemical Ind.,Co.,Ltd., trade name: Doublecure 1173], it is different to be stirring evenly and then adding into 52.5g
Propyl alcohol dilution, stands 1-2h after being sufficiently stirred, obtains the hardened layer coating fluid.
By the hardened layer coating fluid be coated on PET support it is two-sided on, the PET support is micro- with a thickness of 125
Rice, it is 3.5 microns that control, which applies thickness,.Above-mentioned coating fluid viscosity is 3.4mPa.s, solid content 30%, through 293K-313K- after tested
328K-348K-368K-393K-358K-338K-323K stage drying, the time by each dryer section are respectively 30s-30s-
Then 60s-30s-45s-15s-45s-60s-60s carries out UV solidification, UV solidification energy about 0.38J/cm2, UV after curing completely
It obtains described up to because of value cured film.
Viscosity, solid content and the dry solidification process conditions of the hardened layer coating fluid meet following formula:
Wherein: η is the viscosity of the hardened layer coating fluid, unit mPa.s；P is that the UV of the hardened layer coating fluid solidifies
Energy, unit J/cm2；SC is the solid content percentage of the hardened layer coating fluid；K is the tuningout system of the hardened layer coating fluid
Number,N is the n dryer section passed through；T is drying temperature, unit K；T1-T2-T3-...-TnFinger is followed successively by respectively
The drying temperature of n dryer section；T is time of the coated product Jing Guo each drying temperature section, unit s；It is corresponding to pass through each temperature
The time for spending section is respectively t1-t2-t3-...-tn；TθFor normal temperature, Tθ=273.15K.
Described up to because being worth cured film, a dyne value is 46Dyne after tested, high by high temperature experiment (85 DEG C/500h), high temperature
Wet experiment (temperature 60 C, humidity humidity 90%RH/500h), cooling thermal impact experiment (temperature by -40 DEG C to 60 DEG C recycle 100 times,
- 40 DEG C and 60 DEG C of each circulation is each to stop 1h) after, it is described up to because value cured film surface dynes value is still able to maintain in 44Dyne
More than, and every basic performance is without significant change.
Embodiment 4
The each component and parts by weight of cured film coating fluid are as follows:
In 50g polyester acrylate resin [manufacture of Taiwan Changxing Chemical Industry Co Ltd, trade name: DR-
E582] in be added the surface treated aluminium oxide nano additive of 4.65g [Bi Ke chemistry manufacture, trade name: NANOBYK-
3610], be stirring evenly and then adding into 5g surface modifier organic silicon modified by polyether [Bi Ke chemistry manufacture, trade name: BYK-325],
0.35g photoinitiator 1- hydroxycyclohexyl phenyl ketone [manufacture of Taiwan Double Bond Chemical Ind.,Co.,Ltd., trade name:
Doublecure 184], it is stirring evenly and then adding into the dilution of 40g butyl acetate, 1~2h is stood after being sufficiently stirred, is obtained described hard
Change layer coating fluid.
By the hardened layer coating fluid be coated on PET support it is two-sided on, the PET support is micro- with a thickness of 125
Rice, it is 2.0 microns that control, which applies thickness,.Above-mentioned coating fluid viscosity is 4.22mPa.s, solid content 50%, through 303K- after tested
328K-363K-358K-318K stage drying, the time by each dryer section are respectively 60s-50s-45s-65s-60s, so
UV solidification, UV solidification energy about 0.37J/cm are carried out afterwards2, UV after curing completely obtains described up to because of value cured film.
Viscosity, solid content and the dry solidification process conditions of the hardened layer coating fluid meet following formula:
Wherein: η is the viscosity of the hardened layer coating fluid, unit mPa.s；P is that the UV of the hardened layer coating fluid solidifies
Energy, unit J/cm2；SC is the solid content percentage of the hardened layer coating fluid；K is the tuningout system of the hardened layer coating fluid
Number,N is the n dryer section passed through；T is drying temperature, unit K；T1-T2-T3-...-TnFinger is followed successively by respectively
The drying temperature of n dryer section；T is time of the coated product Jing Guo each drying temperature section, unit s；It is corresponding to pass through each temperature
The time for spending section is respectively t1-t2-t3-...-tn；TθFor normal temperature, Tθ=273.15K.
Described up to because being worth cured film, a dyne value is 46Dyne after tested, high by high temperature experiment (85 DEG C/500h), high temperature
Wet experiment (temperature 60 C, humidity 90%RH/500h), cooling thermal impact experiment (temperature by -40 DEG C to 60 DEG C recycle 100 times, each
- 40 DEG C and 60 DEG C of circulation is each to stop 1h) after, it is described be up to because value cured film surface dynes value be still able to maintain 44Dyne with
On, and every basic performance is without significant change.
Comparative example 1
Using hardened layer coating fluid formula used in embodiment 1.
By the hardened layer coating fluid be coated on PET support it is two-sided on, the PET support is micro- with a thickness of 50
Rice, it is 0.8 micron that control, which applies thickness, carries out UV solidification, UV solidification energy about 0.43J/cm after the dry 120s of 348K temperature2, UV
After curing completely obtains cured film product.
A dyne value is 36Dyne to the cured film after tested, is tested by high temperature experiment (85 DEG C/500h), high temperature and humidity
(temperature is recycled 100 times the experiment of (temperature 60 C, humidity 90%RH/500h), cooling thermal impact by -40 DEG C to 60 DEG C, each circulation -
40 DEG C and 60 DEG C each stop 1h) after, the cured film surface dynes value is 30Dyne.
Comparative example 2
Using hardened layer coating fluid formula used in embodiment 3.
By the hardened layer coating fluid be coated on PET support it is two-sided on, the PET support is micro- with a thickness of 125
Rice, it is 3.5 microns that control, which applies thickness, carries out UV solidification, UV solidification energy about 0.37J/cm after the dry 180s of 368K temperature2, UV
After curing completely obtains cured film product.
A dyne value is 36Dyne to the cured film after tested, is tested by high temperature experiment (85 DEG C/500h), high temperature and humidity
(temperature is recycled 100 times the experiment of (temperature 60 C, humidity 90%RH/500h), cooling thermal impact by -40 DEG C to 60 DEG C, each circulation -
40 DEG C and 60 DEG C each stop 1h) after, the cured film surface dynes value is 30Dyne.
It is tested using Britain's Sherman Treaters dyne pen.
Test result:
The foregoing is merely presently preferred embodiments of the present invention, not to the restriction of other embodiment of the present invention, to this hair
Equivalent changes, modifications or replacement, should all fall within the scope of protection of the patent of the present invention made by bright technical solution.
Claims (9)
1. one kind is up to because value cured film, including PET support and PET support at least one side are coated with hardened layer coating fluid
The hardened layer being formed by curing, which is characterized in that the component and part of the hardened layer coating fluid are as follows:
15 parts by weight of matrix resin~50 parts by weight；
2 parts by weight of oxide particle~10 parts by weight；
0.05 parts by weight of surface modifier~5.0 parts by weight；
0.05 parts by weight of photoinitiator~7.0 parts by weight；
40 parts by weight of solvent~80 parts by weight；
Viscosity, solid content and the dry solidification process conditions of the hardened layer coating fluid meet following formula:
Wherein: η is the viscosity of hardened layer coating fluid, unit mPa.s；P is the UV solidification energy of the hardened layer coating fluid, unit
J/cm2；SC is the solid content percentage of the hardened layer coating fluid；K is the tuningout coefficient of the hardened layer coating fluid,N is the n dryer section passed through；T is drying temperature, unit K；T1-T2-T3-...-TnFinger is followed successively by n respectively
The drying temperature of dryer section；T is time of the coated product Jing Guo each drying temperature section, unit s；It is corresponding to pass through each temperature section
Time be respectively t1-t2-t3-...-tn；TθFor normal temperature, Tθ=273.15K；
The product drying solidification uses stage drying technique, and institute's segments is 3 sections~9 sections, and each dryer section sets not equality of temperature
Degree.
2. according to claim 1 up to because being worth cured film, which is characterized in that the matrix resin is polyester acrylic
One or more of ester, epoxy acrylate, urethane acrylate or polyether acrylate.
3. according to claim 2 up to because being worth cured film, which is characterized in that the oxide particle is titanium dioxide silicon grain
One or more of son or metal oxide particle.
4. according to claim 3 up to because being worth cured film, which is characterized in that the surface modifier is aralkyl alkyl
Modified organic silicon, organic silicon modified by polyether, Polyacrylate Modified by Polysiloxane, the polyester modification of acid functional group containing propylene have
One or more of machine silicon class surface modifier.
5. according to claim 4 up to because being worth cured film, which is characterized in that the photoinitiator is 1- hydroxy-cyclohexyl
One or both of phenyl ketone or 2- hydroxy-2-methyl -1- phenyl -1- acetone.
6. according to claim 5 up to because being worth cured film, which is characterized in that the solvent is water-alcohol class mixed solvent
Or esters -one class mixed solvent.
7. it is according to claim 6 up to because be worth cured film, which is characterized in that the dryer section drying temperature be 293K~
393K。
8. described in any item up to because being worth cured film according to claim 1~7, which is characterized in that the hardened layer coating fluid
Coating method is micro gravure coating, comma roller coating or the coating of slit type extrusion pressing type.
9. it is according to claim 8 up to because be worth cured film, which is characterized in that the PET support with a thickness of 50 μm~
188 μm, thin hardened layer is 0.8 μm~3.5 μm.
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| CN111518467A (en) * | 2020-03-27 | 2020-08-11 | 浙江大学 | Preparation method of high-functionality polyurethane acrylate-silicon dioxide composite hardened coating |
| CN112552728A (en) * | 2020-12-11 | 2021-03-26 | 佛山市建春友金属科技有限公司 | Stainless steel coating capable of efficiently resisting bacteria and fingerprints and preparation method thereof |
| CN113625374A (en) * | 2021-07-12 | 2021-11-09 | 安徽菲尔慕材料有限公司 | Manufacturing process of polyimide hardened film of flexible high-hardness high-folding screen |
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