CN108299637A - A kind of Perfluoropolyether silanes compound and the preparation method and application thereof - Google Patents
A kind of Perfluoropolyether silanes compound and the preparation method and application thereof Download PDFInfo
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- CN108299637A CN108299637A CN201710023153.1A CN201710023153A CN108299637A CN 108299637 A CN108299637 A CN 108299637A CN 201710023153 A CN201710023153 A CN 201710023153A CN 108299637 A CN108299637 A CN 108299637A
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- Prior art keywords
- perfluoropolyether
- pfpe
- chemical reaction
- silanes compound
- orch
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- 239000010702 perfluoropolyether Substances 0.000 title claims abstract description 79
- -1 silanes compound Chemical class 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 10
- 229910000077 silane Inorganic materials 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 41
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 32
- 239000002904 solvent Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 230000003666 anti-fingerprint Effects 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims 1
- 230000001476 alcoholic effect Effects 0.000 claims 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims 1
- 229920000570 polyether Polymers 0.000 claims 1
- 239000011521 glass Substances 0.000 abstract description 42
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 230000002209 hydrophobic effect Effects 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 abstract 1
- VOLGAXAGEUPBDM-UHFFFAOYSA-N $l^{1}-oxidanylethane Chemical compound CC[O] VOLGAXAGEUPBDM-UHFFFAOYSA-N 0.000 description 7
- 239000000376 reactant Substances 0.000 description 7
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical class [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 5
- 125000003545 alkoxy group Chemical group 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 125000004423 acyloxy group Chemical group 0.000 description 4
- 125000001309 chloro group Chemical group Cl* 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical compound [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000006392 deoxygenation reaction Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- BRWBDEIUJSDQGV-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluoro-6-methoxyhexane Chemical compound COC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F BRWBDEIUJSDQGV-UHFFFAOYSA-N 0.000 description 1
- OKIYQFLILPKULA-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxybutane Chemical class COC(F)(F)C(F)(F)C(F)(F)C(F)(F)F OKIYQFLILPKULA-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QYSYEILYXGRUOM-UHFFFAOYSA-N [Cl].[Pt] Chemical compound [Cl].[Pt] QYSYEILYXGRUOM-UHFFFAOYSA-N 0.000 description 1
- XMIJDTGORVPYLW-UHFFFAOYSA-N [SiH2] Chemical compound [SiH2] XMIJDTGORVPYLW-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- ZHPNWZCWUUJAJC-UHFFFAOYSA-N fluorosilicon Chemical compound [Si]F ZHPNWZCWUUJAJC-UHFFFAOYSA-N 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000005003 perfluorobutyl group Chemical group FC(F)(F)C(F)(F)C(F)(F)C(F)(F)* 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000006058 strengthened glass Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/336—Polymers modified by chemical after-treatment with organic compounds containing silicon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/42—Introducing metal atoms or metal-containing groups
-
- 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
- C09D127/00—Coating compositions based on 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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
-
- 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
- C09D127/00—Coating compositions based on 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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/20—Homopolymers or copolymers of hexafluoropropene
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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
- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
- C09D171/02—Polyalkylene oxides
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1668—Vinyl-type polymers
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention discloses a kind of Perfluoropolyether silanes compound, chemical formula is：Y‑PFPE‑ORCH2CH2SiX3, wherein PFPE indicates perfluoropolyether group；R is bridged group；Y is X3SiCH2CH2RO or CpF2p+1, wherein subscript p is the natural number more than or equal to 1；X is hydrolyzable groups.To not only good hydrophobic and oleophobic the characteristic with perfluoropolyether, but also the characteristic having on glass panels compared with strong adhesive force with silane compound.Therefore, the film obtained by the surface treating composition that coating includes the Perfluoropolyether silanes compound can either prevent glass panel surface from being polluted by the fingerprint of extraneous dirt and user, and stronger can attach on glass panels.Compared with existing perfluoropolyether films, the film obtained by the surface treating composition that coating includes the Perfluoropolyether silanes compound is more difficult from glass panel watch crystal, has longer service life.
Description
Technical field
The present invention relates to film applications, and in particular to more specifically a kind of fluorine silicon materials are related to a kind of perfluoropolyether silicon
Hydride compounds and the preparation method and application thereof.
Background technology
In the product of capacitance touching control family (mobile phone, tablet computer), glass panel surface is easily by extraneous dirt and user
Fingerprint polluted.Therefore, how to keep the cleaning of glass surface for a long time and how easier to remove its surface being adhered to
Fingerprint and dirt this technology have been to be concerned by more and more people.
Perfluoropolyether fingerprint proof membrane is kind while having the film of two kinds of characteristics of hydrophobicity and oleophobic property, is dredged based on good
Aqueous and oleophobic property, perfluoropolyether films are not easy the extraneous dust and dirt of adherency, and in the case where adhering to dirt and fingerprint,
Also there is the characteristic for being easier to removing table and foreign matter.Therefore, perfluoropolyether films play always in capacitance touching control glass baseplate
Key player.
It should be pointed out that the adhesive force between perfluoropolyether films and glass is generally poor, it is easy to remove from glass surface,
And film surface flatness and membrane uniformity are all difficult to hold.Therefore, how to obtain that there is preferable adhesive force with glass surface
It has brought into schedule with perfluoropolyether film layer in homogeneous thickness.
It is found through experiment, one layer of silane compound is added between perfluoropolyether films and glass, it can be to a certain extent
Increase the adhesive force between perfluoropolyether films and strengthened glass panel, is removed from glass surface to slowing down perfluoropolyether film layer
Speed is conducive to extend the service life of perfluoropolyether films.
Include the perfluoropolyether silicon by coating for this purpose, the present invention provides a kind of Perfluoropolyether silanes compound
The surface treating composition of hydride compounds, which obtains film surface, can form one layer of silane compound, to obtain on glass panels
Film with good adhesion.
Invention content
The technical problem to be solved in the present invention is that the adhesive force between existing perfluoropolyether films and glass is generally poor,
It is easy the shortcomings that being removed from glass surface, provides a kind of Perfluoropolyether silanes compound and preparation method thereof and comprising the thin of its
Film, can be formed by obtaining film surface by the surface treating composition that coating includes the Perfluoropolyether silanes compound by one layer
Silane compound, to obtain the film with good adhesion on glass panels.
Technical solution is used by the present invention solves the problems, such as it：
On the one hand, the present invention provides a kind of Perfluoropolyether silanes compound, the chemistry of the Perfluoropolyether silanes compound
Formula is：
Y-PFPE-ORCH2CH2SiX3, wherein
PFPE indicates perfluoropolyether group；
R is bridged group；
Y is X3SiCH2CH2RO- or CpF2p+1, wherein subscript p is the natural number more than or equal to 1；
X is hydrolyzable groups.
In Perfluoropolyether silanes compound provided by the invention, the bridged group is-CfH2f, the subscript f in formula is
Natural number more than or equal to 1.
In Perfluoropolyether silanes compound provided by the invention, the hydrolyzable groups are alkoxy.
On the other hand, described the present invention provides a kind of preparation method of Perfluoropolyether silanes compound as described above
Preparation method includes chemical reaction I or chemical reaction II, wherein
The chemical reaction I is：
CpF2p+1- PFPE-ORCH=CH2+X3SiH
→CpF2p+1-PFPE-ORCH2CH2SiX3；
The chemical reaction II is：
CH2=CHRO-PFPE-ORCH=CH2+X3SiH
→X3SiCH2CH2RO-PFPE-ORCH2CH2SiX3；
In formula,
Subscript p is the natural number more than or equal to 1
PFPE indicates perfluoropolyether group；
R is bridged group；
X is hydrolyzable groups.
In preparation method provided by the invention, the chemical reaction I or chemical reaction II carry out in isopropanol solvent.
In preparation method provided by the invention, not oxygenous and water in the isopropanol solvent.
In the preparation method provided by the invention, the chemical reaction I or chemical reaction II are 90-140 DEG C in temperature
Under the conditions of carry out.
In preparation method provided by the invention, chlorine platinum is added during the chemical reaction I or chemical reaction II
Acid accelerates the process of reaction as catalyst.
Meanwhile the present invention also provides a kind of films, the film is by coating comprising any just like in claim 1-3
The surface treating composition of Perfluoropolyether silanes compound described in obtains.
Correspondingly, invention further provides a kind of purposes of film as described above, it is used as the anti-finger print layer of display device.
Compared with prior art, implement the present invention, have the advantages that：The Perfluoropolyether silanes compound both had
There is good hydrophobic and oleophobic the characteristic of perfluoropolyether, while having having on glass panels for silane compound relatively strong attached again
Therefore the characteristic puted forth effort is obtained thin by the surface treating composition that coating includes the Perfluoropolyether silanes compound
Film can either prevent glass panel surface from being polluted by the fingerprint of extraneous dirt and user, and stronger can be attached to glass
On glass panel.Include at the surface of the Perfluoropolyether silanes compound by coating compared with existing perfluoropolyether films
Managing the film that composition obtains has longer service life.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, what now the present invention will be described in detail
Specific implementation mode.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, what those of ordinary skill in the art were obtained without creative efforts is all
Other embodiment shall fall within the protection scope of the present invention.
Embodiment one
The present embodiment provides a kind of Perfluoropolyether silanes compound, the chemical formula of the Perfluoropolyether silanes compound is：
CpF2p+1-PFPE-ORCH2CH2SiX3, the subscript p in formula is the natural number more than or equal to 1, wherein
PFPE indicates perfluoropolyether group；
R is bridged group；
X is hydrolyzable groups.
It is apparent that the Perfluoropolyether silanes compound includes perfluoropolyether group (PFPE) thus has good hydrophobic
Property and oleophobic property, meanwhile, the silane group (- ORCH that the Perfluoropolyether silanes compound includes2CH2SiX3) can be straight with glass
It connects to form silica chemistry of silicones key to stablize the raising Perfluoropolyether silanes compound and the direct binding force of glass.Therefore,
The Perfluoropolyether silanes compound, which can be used for being formed, can either prevent glass panel surface by extraneous dirt and user
Fingerprint pollutes and being capable of the film of stronger attaching on glass panels.
In the present embodiment, the perfluoropolyether group is that (i.e. essentially all of c h bond is by C-F keys for fully-fluorinated group
Substitute), it may include straight chain, branch and/or cyclic structure, can be saturated or unsaturated.Chinese patent
The specific example of the perfluoropolyether group is disclosed in CN200780030231.5, so repeating no more.
The hydrolyzable groups are typically chloro, alkoxy, acyloxy etc., and silanol (Si is generated when these groups hydrolyze
(OH)3), and combined with inorganic substances, form siloxanes.In the present embodiment, the hydrolyzable groups are preferably-CH3O。
The bridged group is-CfH2f, the subscript f in formula is the natural number more than or equal to 1.In the present embodiment, the bridge
Even group is preferably-CH2CH2-。
Preferably, the specific example of the Perfluoropolyether silanes compound includes but not limited to lower structure：
C2F5-PFPE-OCH2CH2CH2CH2Si(OCH3)3。
To sum up, above-described Perfluoropolyether silanes compound have perfluoropolyether group (PFPE) and silane group (-
OCH2CH2CH2CH2Si(OCH3)3).Therefore, the Perfluoropolyether silanes compound provided in this embodiment can be used for being formed both
It can prevent glass panel surface from being polluted by the fingerprint of extraneous dirt and user and stronger can be attached to glass surface
Film on plate.
Embodiment two
The present embodiment provides a kind of Perfluoropolyether silanes compound, the chemical formula of the Perfluoropolyether silanes compound is：
X3SiCH2CH2RO-PFPE-ORCH2CH2SiX3, wherein
PFPE indicates perfluoropolyether group；
R is bridged group；
X is hydrolyzable groups.
In the present embodiment, the perfluoropolyether group is that (i.e. essentially all of c h bond is by C-F keys for fully-fluorinated group
Substitute), it may include straight chain, branch and/or cyclic structure, can be saturated or unsaturated.Chinese patent
The specific example of the perfluoropolyether group is disclosed in CN200780030231.5, so repeating no more.
The hydrolyzable groups are typically chloro, alkoxy, acyloxy etc., and silanol (Si is generated when these groups hydrolyze
(OH)3), and combined with inorganic substances, form siloxanes.In the present embodiment, the hydrolyzable groups are preferably-CH3CH2O。
The bridged group is-CfH2f, the subscript f in formula is the natural number more than or equal to 1.In the present embodiment, the bridge
Even group is preferably-CH2-。
Preferably, the specific example of the Perfluoropolyether silanes compound includes but not limited to lower structure：
(CH3CH2O)3SiCH2CH2CH2O-PFPE-OCH2CH2CH2Si(OCH2CH3)3。
To sum up, above-described Perfluoropolyether silanes compound all has perfluoropolyether group (PFPE) and silane branch base
Group (- OCH2CH2CH2Si(OCH2CH3)3).Therefore, the Perfluoropolyether silanes compound provided in this embodiment can be used for shape
Stronger it can be attached to glass at that can either prevent glass panel surface from being polluted by the fingerprint of extraneous dirt and user
Film on glass panel.
In addition, since a molecule of the Perfluoropolyether silanes compound of the present embodiment offer includes two silane
Branch group, it is stronger with the binding ability of glass panel compared with embodiment one.
Embodiment three
The present embodiment provides the preparation method of the Perfluoropolyether silanes compound described in a kind of embodiment one, the preparations
Method includes chemical reaction I：
CpF2p+1- PFPE-ORCH=CH2+X3SiH
→CpF2p+1-PFPE-ORCH2CH2SiX3；
In formula,
Subscript p is the natural number more than or equal to 1；
PFPE indicates perfluoropolyether group；
R is bridged group；
X is hydrolyzable groups.
In the present embodiment, the chemical reaction I carries out in the isopropanol solvent of anhydrous and oxygen-free, and reaction temperature control exists
90-140℃.It is described chemical reaction I principle be：Reactants of X3C in-H attack reactants in SiHpF2p+1- PFPE-ORCH=
CH2Carbon-carbon double bond.Preferably, a certain amount of chloroplatinic acid (H is added in the isopropanol solvent2PtCl6) it is used as catalyst.
In the present embodiment, the perfluoropolyether group is that (i.e. essentially all of c h bond is by C-F keys for fully-fluorinated group
Substitute), it may include straight chain, branch and/or cyclic structure, can be saturated or unsaturated.Chinese patent
The specific example of the perfluoropolyether group is disclosed in CN200780030231.5, so repeating no more.
The hydrolyzable groups are typically chloro, alkoxy, acyloxy etc., and silanol (Si is generated when these groups hydrolyze
(OH)3), and combined with inorganic substances, form siloxanes.In the present embodiment, the hydrolyzable groups are preferably-CH3O。
The bridged group is-CfH2f, the subscript f in formula is the natural number more than or equal to 1.In the present embodiment, the bridge
Even group is preferably-CH2CH2-。
It is introduced below specifically to prepare certain such as embodiment one for the method that more detailed explanation the present embodiment is provided
The preparation method of the Perfluoropolyether silanes compound：
Weigh the chloroplatinic acid, (CH of certain mass respectively first with beaker and electronic balance3O)3SiH and C2F5-PFPE-
OCH2CH2CH=CH2, wherein C2F5-PFPE-OCH2CH2CH=CH2(CH3O)3The gross mass of SiH is 1000 grams, and C2F5-
PFPE-OCH2CH2CH=CH2(CH3O)3The ratio of the amount of the substance of SiH is 1:1.Beaker and graduated cylinder is recycled to weigh certain volume
Isopropanol solvent, and the isopropanol solvent to weighing carry out deoxygenation and remove water process.Then by load weighted chloroplatinic acid, C2F5-
PFPE-OCH2CH2CH=CH2(CH3O)3SiH, which is added, to be filled in the glass container of the isopropanol solvent, and to the glass
Nitrogen is filled in container so that the air in the glass container is discharged.The glass container is placed in the water that temperature is 90-100 DEG C
In bath, after reaction 24 to 48 hours, C can be obtained2F5-PFPE-OCH2CH2CH2CH2Si(OCH3)3.Its reaction process can
To be indicated with following formula：
It should be pointed out that the chemical reaction I has Atom economy (being generated without product) and reaction condition mild
Easily controllable advantage.Isopropanol is selected to be advantageous in that as solvent, reactant C2F5-PFPE-OCH2CH2CH=CH2With it is anti-
Answer object (CH3O)3SiH can be evenly dispersed in isopropanol solvent, therefore the two can come into full contact with, and it is anti-to be conducive to the chemistry
Answer I abundant reaction.
Example IV
The present embodiment provides the preparation method of the Perfluoropolyether silanes compound described in a kind of embodiment two, the preparations
Method includes chemical reaction II：
CH2=CHRO-PFPE-ORCH=CH2+X3SiH
→X3SiCH2CH2RO-PFPE-ORCH2CH2SiX3；
In formula,
PFPE indicates perfluoropolyether group；
R is bridged group；
X is hydrolyzable groups.
In the present embodiment, the chemical reaction II carries out in the isopropanol solvent of anhydrous and oxygen-free, and reaction temperature control exists
90-140℃.It is described chemical reaction II principle be：Reactants of X3- H attack reactants CH in SiH2=CHRO-PFPE-ORCH
=CH2In carbon-carbon double bond.Preferably, a certain amount of chloroplatinic acid is added in the isopropanol solvent as catalyst.
In the present embodiment, the perfluoropolyether group is that (i.e. essentially all of c h bond is by C-F keys for fully-fluorinated group
Substitute), it may include straight chain, branch and/or cyclic structure, can be saturated or unsaturated.Chinese patent
The specific example of the perfluoropolyether group is disclosed in CN200780030231.5, so repeating no more.
The hydrolyzable groups are typically chloro, alkoxy, acyloxy etc., and silanol (Si is generated when these groups hydrolyze
(OH)3), and combined with inorganic substances, form siloxanes.In the present embodiment, the hydrolyzable groups are preferably-CH3CH2O。
The bridged group is-CfH2f, the subscript f in formula is the natural number more than or equal to 1.In the present embodiment, the bridge
Even group is preferably-CH2-。
It is introduced below specifically to prepare certain such as embodiment one for the method that more detailed explanation the present embodiment is provided
The preparation method of the Perfluoropolyether silanes compound：
Weigh chloroplatinic acid, the CH of certain mass respectively first with beaker and electronic balance2=CHRO-PFPE-ORCH=
CH2(CH3CH2O)3SiH, wherein CH2=CHRO-PFPE-ORCH=CH2(CH3CH2O)3The gross mass of SiH is 1000 grams,
And CH2=CHRO-PFPE-ORCH=CH2(CH3CH2O)3The ratio of the amount of the substance of SiH is 1:2.Recycle beaker and graduated cylinder amount
The isopropanol solvent of certain volume is taken, and water removal and deoxygenation processing are carried out to the isopropanol solvent.Then by load weighted chlorine
Platinic acid, CH2=CHRO-PFPE-ORCH=CH2(CH3CH2O)3The closed cleaning for filling the isopropanol solvent is added in SiH
In glass container, and nitrogen is filled with so that the air in the glass container is discharged into the glass container.The glass is held
Device is placed in the salt bath that temperature is 130-140 DEG C, after reaction 12-24 hours, can obtain (CH3CH2O)3SiCH2CH2CH2O-PFPE-OCH2CH2CH2Si(OCH2CH3)3.Its reaction process can be indicated with following formula：
It should be pointed out that the chemical reaction II has Atom economy (being generated without product) and reaction condition mild
Easily controllable advantage.Perfluoropolyether is selected to be advantageous in that as solvent, reactant CH2=CHRO-PFPE-ORCH=CH2With
Reactant (CH3CH2O)3SiH can be evenly dispersed in isopropanol solvent, therefore the two can come into full contact with, and is conducive to described
The abundant reaction of chemical reaction II.
Embodiment five
The present embodiment provides a kind of film, the film includes to be provided in embodiment one or embodiment two by coating
The surface treating composition of any Perfluoropolyether silanes compound obtains.
Specifically, the surface treating composition include its total weight 0.1%-10%'s and 90%-99.9%'s is molten
Agent.According to the usual technological means of those skilled in the art, the solvent can be perfluorobutyl methyl ethers, perfluoro butyl second
Any one in base ether, perfluoro hexyl methyl ether, hydrofluoroether, the surface treating composition is diluted to millesimal
After solids level concentration dilution, coating (wet coating, physical vapour deposition (PVD) or chemical vapor deposition) is dried on base material
Roasting (temperature is 80-200 DEG C, and the time is 10-60 minutes), obtains the film after being cooled to room temperature.
The present embodiment has also carried out rub resistance test to the film, and test process is as follows：
The film is attached on the glass panel of abswolute level, the water droplet that volume is 4 microlitres is sunk using injection needle
Product is on the membrane；
Water droplet is measured using contact angle measurement (DSA10 0, manufactured by KRUSSAdvancingSurfaceScience)
Water droplet angle between the film surface is more than 110 degree；
It is wiped back and forth 7000 times in the film surface using the erasing rubber (can also be steel wool) of heavy burden 1000g, wherein
A diameter of 6mm of the erasing rubber, wiping amplitude are 1cm, and wiping stroke is 4cm, and wiping frequency is 45 times/min.
Reuse injection needle by volume be 4 microlitres droplet deposition on the membrane, and surveyed using the contact angle
Amount instrument measures the water droplet angle between water droplet and the film surface and is more than 100 degree.
From this, before and after the film is tested through rub resistance, the angle at the water droplet angle that water droplet is formed on the membrane
Variation is little, thus can fully prove there is good binding force between the film and glass panel.
To sum up, the film described in the present embodiment can preferably attach on glass panels so that the film be not easy from
It falls off on glass panel, compared with prior art, the service life of the film has obtained significant raising.
In recent years, increased in recent years rapidly as the electronic product of representative using smart mobile phone, tablet computer, possess huge disappear
Take market, and the speed of product renewing is constantly accelerated.This brings huge market to anti-fingerprint product.It therefore, will be described
The anti-finger print layer that film is used as display device (mobile phone screen, computer screen or video screen) will will have wide development empty
Between.
The embodiment of the present invention is described above, but the invention is not limited in above-mentioned specific embodiment parties
Formula, the above mentioned embodiment is only schematical, rather than restrictive, and those skilled in the art are in this hair
Under bright enlightenment, without breaking away from the scope protected by the purposes and claims of the present invention, many forms can be also made, this
Within all belonging to the scope of protection of the present invention.
Claims (10)
1. a kind of Perfluoropolyether silanes compound, which is characterized in that the chemical formula of the Perfluoropolyether silanes compound is：
Y-PFPE-ORCH2CH2SiX3, wherein
PFPE indicates perfluoropolyether group；
R is bridged group；
Y is X3SiCH2CH2RO- or CpF2p+1, wherein subscript p is the natural number more than or equal to 1；
X is hydrolyzable groups.
2. Perfluoropolyether silanes compound according to claim 1, which is characterized in that the bridged group is-CfH2f,
Subscript f in formula is the natural number more than or equal to 1.
3. Perfluoropolyether silanes compound according to claim 1, which is characterized in that the hydrolyzable groups are alcoxyl
Base.
4. a kind of preparation method of Perfluoropolyether silanes compound as described in claim 1, which is characterized in that the preparation side
Method includes chemical reaction I or chemical reaction II, wherein
The chemical reaction I is：
CpF2p+1- PFPE-ORCH=CH2+X3SiH
→CpF2p+1-PFPE-ORCH2CH2SiX3；
The chemical reaction II is：
CH2=CHRO-PFPE-ORCH=CH2+X3SiH
→X3SiCH2CH2RO-PFPE-ORCH2CH2SiX3；
In formula,
Subscript p is the natural number more than or equal to 1；
PFPE indicates perfluoropolyether group；
R is bridged group；
X is hydrolyzable groups.
5. preparation method according to claim 4, which is characterized in that the chemical reaction I or chemical reaction II are in isopropyl
It is carried out in alcoholic solvent.
6. preparation method according to claim 5, which is characterized in that not oxygenous and water in the isopropanol solvent.
7. preparation method according to claim 5, which is characterized in that the chemical reaction I or chemical reaction II are in temperature
It is carried out under conditions of being 90-140 DEG C.
8. preparation method according to claim 5, which is characterized in that in the mistake of the chemical reaction I or chemical reaction II
Chloroplatinic acid is added in journey as catalyst to accelerate the process of reaction.
9. a kind of film, which is characterized in that the film includes as claimed in any one of claims 1-3 complete by coating
The surface treating composition of perfluoroalkyl polyether silane compound obtains.
10. a kind of purposes of film as claimed in claim 9, which is characterized in that be used as the anti-finger print layer of display device.
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