CN109161851A - A kind of preparation method and product in the super hydrophilic pet sheet face based on induced with laser - Google Patents
A kind of preparation method and product in the super hydrophilic pet sheet face based on induced with laser Download PDFInfo
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- CN109161851A CN109161851A CN201810850180.0A CN201810850180A CN109161851A CN 109161851 A CN109161851 A CN 109161851A CN 201810850180 A CN201810850180 A CN 201810850180A CN 109161851 A CN109161851 A CN 109161851A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
- C23C14/205—Metallic material, boron or silicon on organic substrates by cathodic sputtering
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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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
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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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
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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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/123—Treatment by wave energy or particle radiation
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/58—After-treatment
- C23C14/5806—Thermal treatment
- C23C14/5813—Thermal treatment using lasers
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/58—After-treatment
- C23C14/5873—Removal of material
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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
- 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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Abstract
The invention belongs to the modified technical fields of solid material surface, and disclose the preparation method and product in a kind of super hydrophilic pet sheet face based on induced with laser.This method includes the following steps: that PET film to be processed is attached in substrate by (a), prepares metal nonferrous layer in the manner of sputtering in PET film；(b) nonferrous layer is focused on using laser, nonferrous layer absorbs the energy of laser, and acts on it on PET film surface with nonferrous layer intersection, makes PET film surface form hydrophilic surface layer with this；(c) hydrophilic surface layer is corroded using solwution method, changes the morphogenesis ultra-hydrophilic surface layer of hydrophilic surface layer with this, thus completes the preparation of the super hydrophilic layer of PET film to be processed.Structure prepared by this method has the characteristics that Superhydrophilic and high durability.Simple process and low cost.
Description
Technical field
The invention belongs to the modified technical field of solid material surface, more particularly, to a kind of based on induced with laser
The preparation method and product in super hydrophilic pet sheet face.
Background technique
PET is a kind of common flexible substrates, is widely used in the industrial production.In general, PET is at room temperature
Surface wettability shows certain hydrophobicity.Mainly there is coating wetability material layer to the modified method in pet sheet face.However it applies
The stability for covering wetability material is poor, and coating processes be limited to large area production and it is time-consuming.
Super hydrophilic simple preparation method is modified as to PET film at present to have not been reported at present, and in hydrophobic PET base
Super hydrophilic pattern is prepared to have a wide range of applications in fields such as aqueous vapor collection, micro-fluidic, medical productions.Therefore, a kind of letter is developed
It is most important that easy technique prepares super hydrophilic structure to PET material surface.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of based on the super hydrophilic of induced with laser
Then the preparation method and product in pet sheet face are focused on by forming nonferrous layer metal layer on PET film surface using laser
Nonferrous layer, by the nonferrous layer to absorption and the aggregation of laser energy so that laser energy acts on the upper surface of PET film, from
And changing the physicochemical property on PET film surface, and then change its wetability, this method step is simple, and production cost is low.
To achieve the above object, according to one aspect of the present invention, a kind of super hydrophilic PET based on induced with laser is provided
The preparation method on surface, which is characterized in that this method includes the following steps:
(a) PET film to be processed is attached in substrate, prepares metal in the manner of sputtering in the PET film
Nonferrous layer；
(b) nonferrous layer is focused on using laser, which absorbs the energy of the laser, and make its act on
On the PET film surface of the nonferrous layer intersection, the PET film surface is made to form hydrophilic surface layer with this；
(c) hydrophilic surface layer is corroded using solwution method, it is super close with the morphogenesis that this changes the hydrophilic surface layer
Thus water meter surface layer completes the preparation of the super hydrophilic layer of the PET film to be processed.
It is further preferred that the thickness of the nonferrous layer is preferably 0.03~3 μm, when metal layer thickness is lower than 0.03 μm
When, color is unobvious, and pellucidity is presented, and laser can cause it to add through the metal layer and across transparent PET film
Work surface becomes adhesive interface or the substrate bottom of PET and substrate, when metal layer thickness be higher than 3 μm when, due to metal layer compared with
Thickness, needing the energy of laser to steeply rise could ablation PET film surface.
It is further preferred that 10~100kHz of pulse recurrence frequency of the laser, pulse width 0.1~0.2, laser light
Spot 50~500mm/s of speed, when laser pulse frequency is lower than 10kHz, pulse width is lower than 0.1, and laser spot velocity is lower than
When 50mm/s, the energy that laser provides can not ablation pet sheet face be disposably hydrophilic-structure, and when laser pulse frequency is higher than
100kHz, pulse width are higher than 0.2, when laser spot velocity is higher than 500mm/s, it is thin will directly to melt PET since energy is excessively high
Film.
It is further preferred that it is described use solwution method corrode the hydrophilic surface layer preferably use pH for 8~14 alkalinity
Solution, etching time are 1~30min, and when etching time is lower than 1min, the degree that PET is corroded is smaller, cannot keep long-term
Super hydrophilic stability, and when etching time is higher than 30min, due to too long by etching time, PET film surface can then lose original
There is the coarse structure of laser processing, cannot achieve excellent super hydrophilic characteristic.
It is further preferred that preferably being coated on the substrate anhydrous when the PET film to be processed is attached in substrate
Ethyl alcohol is more smooth when attaching on the substrate so as to the PET film to be processed as wetting agent.Due to the focusing of laser
Point is that same plane moves horizontally processing, if surface irregularity, will appear the non-uniform hydrophilic pet sheet face of processing.
It is further preferred that the thickness of the PET film to be processed is preferably using greater than 0.1mm.When PET thickness is lower than
When 0.1mm, since the fuel factor of laser processing can make finished surface deform.
It is another aspect of this invention to provide that providing a kind of product that method as described above prepares.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
1, then the present invention focuses on nonferrous layer using laser, leads to by forming nonferrous layer metal layer on PET film surface
The nonferrous layer is crossed to absorption and the aggregation of laser energy so that laser energy acts on the upper surface of PET film, to change PET
The physicochemical property of film surface, and then its hydrophily is improved, this method step is simple, and production cost is low；
2, the present invention forms nonferrous layer on PET film surface by using the technique of sputtering, can accurately control nonferrous layer
Thickness make the pet sheet face of preparation that there is high durability and super close to control laser processing to the ablation pattern in pet sheet face
It is aqueous；
3, the present invention generates super hydrophilic layer by using laser action induction PET film surface, makes full use of induced with laser
Physicochemical property caused by processing, processes hydrophobic PET disposably and prepares super hydrophilic structure, and uses alkaline solution rotten
Erosion modification PET material surface, obtains the super hydrophilic pet sheet face of high durability.
Detailed description of the invention
Fig. 1 is that PET constructed by preferred embodiment according to the invention is attached at glass schematic diagram；
Fig. 2 is sputtering nonferrous layer schematic diagram constructed by preferred embodiment according to the invention；
Fig. 3 is laser processing schematic diagram constructed by preferred embodiment according to the invention；
Fig. 4 is solution corrosion schematic diagram constructed by preferred embodiment according to the invention.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:
The super hydrophilic layer of 1- substrate 2- ethanol solution 3-PET film 4- nonferrous layer 5- hydrophilic layer 6-
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below that
Not constituting conflict between this can be combined with each other.
A kind of preparation method in the super hydrophilic pet sheet face based on induced with laser, this method include the following steps:
Step 1, PET are attached at glass surface
Substrate 1 is attached using the method preparation in glass surface spin coating ethanol solution 2, so that PET film 3 is more flat
Whole is attached at substrate surface 1；
Step 2, nonferrous layer preparation
The coloured seed layer 4 that a layer thickness is 0.03~3 μm is deposited in above-mentioned sample surfaces in the manner of sputtering；
Step 3, induced with laser processing
Processing is scanned to PET film surface using laser marking machine and obtains rough surface 5, i.e. hydrophilic layer, pulse weight
10~100kHz of complex frequency, pulse width 0.1~0.2,50~500mm/s of laser spot velocity；
Step 4, alkaline solution corrosion
Finished surface is corroded using solwution method, alkaline solution is adjusted to pH=8~14, and etching time is 1~30min, obtains
Super hydrophilic pet sheet face 6 peels off from the substrate the PET film as the required PET film for having ultra-hydrophilic surface.
The present invention is further illustrated below in conjunction with specific embodiments.
Embodiment 1
In glass basic surface spin coating ethanol solution, then PET film is attached on the glass substrate；Using sputtering
Mode to deposit a layer thickness on PET film surface be 2 μm of nonferrous layer；Using laser scanning nonferrous layer, pulse recurrence frequency
50kHz, pulse width 0.15, laser spot velocity 300mm/s；PH is used to corrode PET film surface for 10 alkaline solution
Hydrophilic layer, etching time 10min obtain super hydrophilic pet sheet face.
Embodiment 2
In glass basic surface spin coating ethanol solution, then PET film is attached on the glass substrate；Using sputtering
Mode to deposit a layer thickness on PET film surface be 3 μm of nonferrous layer；Using laser scanning nonferrous layer, pulse recurrence frequency
100kHz, pulse width 0.2, laser spot velocity 500mm/s；PH is used to corrode PET film surface for 14 alkaline solution
Hydrophilic layer, etching time 30min obtain super hydrophilic pet sheet face.
Embodiment 3
In glass basic surface spin coating ethanol solution, then PET film is attached on the glass substrate；Using sputtering
Mode to deposit a layer thickness on PET film surface be 0.03 μm of nonferrous layer；Using laser scanning nonferrous layer, pulse repeats frequency
Rate 10kHz, pulse width 0.1, laser spot velocity 500mm/s；PH is used to corrode PET film surface for 8 alkaline solution
Hydrophilic layer, etching time 1min obtain super hydrophilic pet sheet face.
Embodiment 4
In glass basic surface spin coating ethanol solution, then PET film is attached on the glass substrate；Using sputtering
Mode to deposit a layer thickness on PET film surface be 3 μm of nonferrous layer；Using laser scanning nonferrous layer, pulse recurrence frequency
100kHz, pulse width 0.2, laser spot velocity 50mm/s；PH is used to corrode the parent on PET film surface for 10 alkaline solution
Water layer, etching time 5min obtain super hydrophilic pet sheet face.
Embodiment 5
In glass basic surface spin coating ethanol solution, then PET film is attached on the glass substrate；Using sputtering
Mode to deposit a layer thickness on PET film surface be 1 μm of nonferrous layer；Using laser scanning nonferrous layer, pulse recurrence frequency
50kHz, pulse width 0.2, laser spot velocity 100mm/s；PH is used to corrode the parent on PET film surface for 10 alkaline solution
Water layer, etching time 10min obtain super hydrophilic pet sheet face.
Embodiment 6
In glass basic surface spin coating ethanol solution, then PET film is attached on the glass substrate；Using sputtering
Mode to deposit a layer thickness on PET film surface be 0.03 μm of nonferrous layer；Using laser scanning nonferrous layer, pulse repeats frequency
Rate 10kHz, pulse width 0.15, laser spot velocity 500mm/s；PH is used to corrode PET film surface for 10 alkaline solution
Hydrophilic layer, etching time 8min obtains super hydrophilic pet sheet face.
Embodiment 7
In glass basic surface spin coating ethanol solution, then PET film is attached on the glass substrate；Using sputtering
Mode to deposit a layer thickness on PET film surface be 2 μm of nonferrous layer；Using laser scanning nonferrous layer, pulse recurrence frequency
80kHz, pulse width 0.1, laser spot velocity 200mm/s；PH is used to corrode the parent on PET film surface for 12 alkaline solution
Water layer, etching time 20min obtain super hydrophilic pet sheet face.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (7)
1. a kind of preparation method in the super hydrophilic pet sheet face based on induced with laser, which is characterized in that this method includes following step
It is rapid:
(a) PET film to be processed is attached in substrate, it is coloured prepares metal in the manner of sputtering in the PET film
Layer；
(b) nonferrous layer is focused on using laser, which absorbs the energy of the laser, and make its act on it is described
On the PET film surface of nonferrous layer intersection, the PET film surface is made by ablation with this and forms water-wetted surface
Layer；
(c) hydrophilic surface layer, the super hydrophilic table of morphogenesis for changing the hydrophilic surface layer with this are corroded using solwution method
Thus surface layer completes the preparation of the super hydrophilic layer of the PET film to be processed.
2. the method as described in claim 1, which is characterized in that the thickness of the nonferrous layer is preferably 0.03 μm~3 μm.
3. method according to claim 1 or 2, which is characterized in that the pulse recurrence frequency 10kHz of the laser~
100kHz, pulse width 0.1~0.2, laser spot velocity 50mm/s~500mm/s.
4. the method according to claim 1, which is characterized in that described to corrode the water-wetted surface using solwution method
Layer preferably uses pH for 8~14 alkaline solution, and etching time is 1min~30min.
5. method according to any of claims 1-4, which is characterized in that PET film to be processed is attached in substrate by institute
When, preferably coating dehydrated alcohol is as wetting agent on the substrate, so that the PET film to be processed is attached to the substrate
It is more smooth when upper.
6. the method according to claim 1 to 5, which is characterized in that the thickness of the PET film to be processed is preferably adopted
With greater than 0.1mm.
7. a kind of product that as the method according to claim 1 to 6 prepares.
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| CN201810850180.0A CN109161851B (en) | 2018-07-28 | 2018-07-28 | A kind of preparation method and product in the super hydrophilic pet sheet face based on induced with laser |
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| CN201810850180.0A CN109161851B (en) | 2018-07-28 | 2018-07-28 | A kind of preparation method and product in the super hydrophilic pet sheet face based on induced with laser |
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2018
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