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EP0933377A2
Expired / Lapsed
EP
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Anti-smudge agent, method of forming an anti-smudge layer, anti-reflection optical member and display device
Assignee: Daikin Industries Ltd
•
Filing: 1999-01-29
•
Granted: —
•
Expires: 2019-01-29
Abstract
Abstract An anti-smudge agent characterized by containing an organosilicon compound represented by the following general formula (1): R f2 -(OC 3 F 6 ) n2 -O-(CF 2 ) m2 -(CH 2 ) 12 -Z-(CH 2 ) s2 -Si-(R 2 ) 3 wherein R f2 is a linear or branched perfluoroalkyl group having 1 to 16 carbon atoms; R 2 is a hydrolytic group; Z is -OOCNH- or -O-; n2 is an integer of 1 to 50; m2 is an integer of 0 to 3; 12 is an integer of 0 to 3; and s2 is an integer of 1 to 6, with a proviso that these m2 and 12 meet the condition of 6≧m2+12>0.
Inventors
- 👤 Koichi Ohata
- 👤 Niro Watanabe
- 👤 Toru Okubo
- 👤 Atsushi Miida
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-31 21:36
CPC Classifications
G; G02; G02B; G02B1/00; G02B1/10; G02B1/18; C; C09; C09D; C09D4/00; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/24; G02B1/11; H; H01; H01J; H01J29/00; H01J29/86; H01J29/89; H01J29/896
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
113 words
An anti-smudge agent characterized by
containing an organosilicon compound represented by
the following general formula (1): R f2 -(OC 3 F 6 ) n2 -O-(CF 2 ) m2 -(CH 2 ) 12 -Z-(CH 2 ) s2 -Si-(R 2 ) 3 wherein R f2 is a linear or branched perfluoroalkyl
group having 1 to 16 carbon atoms; R 2 is a hydrolytic
group; Z is -OOCNH- or -O-; n2 is an integer of 1 to
50; m2 is an integer of 0 to 3; 12 is an integer of 0
to 3; and s2 is an integer of 1 to 6, with a proviso
that these m2 and 12 meet the condition of 6≧m2+12>0.
Claim 2
Dependent Claim
27 words
The anti-smudge agent according to claim 1,
characterized in that said R 2 in said general formula
(1) is alkoxy group having 1 to 10 carbon atoms.
Claim 3
Dependent Claim
128 words
An anti-smudge agent characterized by
containing an organosilicon compound represented by the
following general formula (3): wherein R f2 is a linear or branched perfluoroalkyl
group having 1 to 16 carbon atoms; R 3 is an alkyl group
having 1 to 10 carbon atoms; X is a halogen atom; n2 is
an integer of 1 to 50; m2 is an integer of 0 to 3; 12
is an integer of 0 to 3; and s2 is an integer of 1
to 6; a is an integer of 0 to 3; b is an integer of 0
to 3; c is 0 or 1; d is 0 or 1; with a proviso that
these m2, 12, a, b, c and d meet the conditions of
6≧m2+12>0, a+b=3, and c+d=1.
Claim 4
Dependent Claim
65 words
The anti-smudge agent according to claim 3,
characterized in that said organosilicon compound is
formed of a first organosilicon compound represented by
said general formula (3) and a second organosilicon
compound represented by said general formula (3), and
said first organosilicon compound and said second
organosilicon compound are different from each other in
the components "a", "b", "c" and "d" in said general
formula (3).
Claim 5
Dependent Claim
31 words
A method of forming an anti-smudge layer
characterized by comprising a step of depositing the
anti-smudge agent of claim 1 on a treating substrate by
means of a wet coating method.
Claim 6
Dependent Claim
47 words
The method of forming an anti-smudge layer
according to claim 5, characterized in that further
comprising a step of subjecting said anti-smudge layer
that has been formed on the treating substrate by
making use of said anti-smudge agent to heating,
humidification, light irradiation, or electron beam
irradiation.
Claim 7
Dependent Claim
31 words
A method of forming an anti-smudge layer
characterized by comprising a step of depositing the
anti-smudge agent of claim 3 on a treating substrate by
means of a wet coating method.
Claim 8
Dependent Claim
47 words
The method of forming an anti-smudge layer
according to claim 7, characterized in that further
comprising a step of subjecting said anti-smudge layer
that has been formed on the treating substrate by
making use of said anti-smudge agent to heating,
humidification, light irradiation, or electron beam
irradiation.
Claim 9
Dependent Claim
31 words
A method of forming an anti-smudge layer
characterized by comprising a step of depositing the
anti-smudge agent of claim 1 on a treating substrate by
means of a dry coating method.
Claim 10
Dependent Claim
47 words
The method of forming an anti-smudge layer
according to claim 9, characterized in that further
comprising a step of subjecting said anti-smudge layer
that has been formed on the treating substrate by
making use of said anti-smudge agent to heating,
humidification, light irradiation, or electron beam
irradiation.
Claim 11
Dependent Claim
31 words
A method of forming an anti-smudge layer
characterized by comprising a step of depositing the
anti-smudge agent of claim 3 on a treating substrate by
means of a dry coating method.
Claim 12
Dependent Claim
47 words
The method of forming an anti-smudge layer
according to claim 11, characterized in that further
comprising a step of subjecting said anti-smudge layer
that has been formed on the treating substrate by
making use of said anti-smudge agent to heating,
humidification, light irradiation, or electron beam
irradiation.
Claim 13
Dependent Claim
54 words
A method of forming an anti-smudge layer
characterized by comprising the steps of; impregnating a porous molded body with the anti-smudge
agent of claim 1; and heating said porous molded body impregnated with
said anti-smudge agent in vacuum thereby to evaporate
said anti-smudge agent and to form an anti-smudge layer
on a treating substrate.
Claim 14
Dependent Claim
47 words
The method of forming an anti-smudge layer
according to claim 13, characterized in that further
comprising a step of subjecting said anti-smudge layer
that has been formed on the treating substrate by
making use of said anti-smudge agent to heating,
humidification, light irradiation, or electron beam
irradiation.
Claim 15
Dependent Claim
58 words
The method of forming an anti-smudge layer
according to claim 13, characterized in that said
porous molded body is constituted by at least one kind
of materials selected from the group consisting of SiO 2 ,
TiO 2 , ZrO 2 , MgO, Al 2 O 3 , CaSO 4 , Cu, Fe, Al, stainless
steel and carbon.
Claim 16
Dependent Claim
57 words
The method of forming an anti-smudge layer
according to claim 13, characterized in that the
heating method for evaporating said anti-smudge agent
impregnated in said porous molded body is at least one
method selected from a resistance heating method,
an electron beam heating method, ion beam heating
method, high frequency heating method and a light
heating method.
Claim 17
Dependent Claim
54 words
A method of forming an anti-smudge layer
characterized by comprising the steps of; impregnating a porous molded body with the anti-smudge
agent of claim 3; and heating said porous molded body impregnated with
said anti-smudge agent in vacuum thereby to evaporate
said anti-smudge agent and to form an anti-smudge layer
on a treating substrate.
Claim 18
Dependent Claim
47 words
The method of forming an anti-smudge layer
according to claim 17, characterized in that further
comprising a step of subjecting said anti-smudge layer
that has been formed on the treating substrate by
making use of said anti-smudge agent to heating,
humidification, light irradiation, or electron beam
irradiation.
Claim 19
Dependent Claim
58 words
The method of forming an anti-smudge layer
according to claim 17, characterized in that said
porous molded body is constituted by at least one kind
of materials selected from the group consisting of SiO 2 ,
TiO 2 , ZrO 2 , MgO, Al 2 O 3 , CaSO 4 , Cu, Fe, Al, stainless
steel and carbon.
Claim 20
Dependent Claim
57 words
The method of forming an anti-smudge layer
according to claim 17, characterized in that the
heating method for evaporating said anti-smudge agent
impregnated in said porous molded body is at least one
method selected from a resistance heating method, an
electron beam heating method, ion beam heating method,
high frequency heating method and a light heating
method.
Claim 21
Dependent Claim
45 words
A reflection preventive optical member
comprising a transparent substrate; a reflection
preventive film formed on at least one surface of said
transparent substrate; and an anti-smudge layer formed
on an outermost surface; characterized in that said
anti-smudge layer contains the anti-smudge agent of
claim 1.
Claim 22
Dependent Claim
33 words
The reflection preventive optical member
according to claim 21, characterized in that said
transparent substrate is an organic substrate formed of
a transparent substrate or an inorganic substrate
formed of a glass substrate.
Claim 23
Dependent Claim
45 words
A reflection preventive optical member
comprising a transparent substrate; a reflection
preventive film formed on at least one surface of said
transparent substrate; and an anti-smudge layer formed
on an outermost surface; characterized in that said
anti-smudge layer contains the anti-smudge agent of
claim 3.
Claim 24
Dependent Claim
33 words
The reflection preventive optical member
according to claim 23, characterized in that said
transparent substrate is an organic substrate formed of
a transparent substrate or an inorganic substrate
formed of a glass substrate.
Claim 25
Dependent Claim
27 words
An optical functional member characterized by
comprising the reflection preventive optical member of
claim 21; and a functional optical member adhered to
said reflection preventive optical member.
Claim 26
Dependent Claim
19 words
The optical functional member according to
claim 25, characterized in that said functional optical
member is a polarizing plate.
Claim 27
Dependent Claim
27 words
An optical functional member characterized by
comprising the reflection preventive optical member of
claim 23; and a functional optical member adhered to
said reflection preventive optical member.
Claim 28
Dependent Claim
19 words
The optical functional member according to
claim 27, characterized in that said functional optical
member is a polarizing plate.
Claim 29
Dependent Claim
37 words
A display device comprising a display screen
having front face, on the surface of which a coat
member is adhered via an adhesive, characterized in
that said coat member is the optical functional member
of claim 25.
Claim 30
Dependent Claim
37 words
A display device comprising a display screen
having front face, on the surface of which a coat
member is adhered via an adhesive, characterized in
that said coat member is the optical functional member
of claim 26.
Claim 31
Dependent Claim
37 words
A display device comprising a display screen
having front face, on the surface of which a coat
member is adhered via an adhesive, characterized in
that said coat member is the optical functional member
of claim 27.
Claim 32
Dependent Claim
37 words
A display device comprising a display screen
having front face, on the surface of which a coat
member is adhered via an adhesive, characterized in
that said coat member is the optical functional member
of claim 28.
Claim 33
Dependent Claim
30 words
The display device according to claim 29,
characterized in that said display is a liquid crystal
display, a CRT display, a projection television, a
plasma display, or an EL display.
Claim 34
Dependent Claim
30 words
The display device according to claim 30,
characterized in that said display is a liquid crystal
display, a CRT display, a projection television,
a plasma display, or an EL display.
Claim 35
Dependent Claim
30 words
The display device according to claim 31,
characterized in that said display is a liquid crystal
display, a CRT display, a projection television, a
plasma display, or an EL display.
Claim 36
Dependent Claim
30 words
The display device according to claim 32,
characterized in that said display is a liquid crystal
display, a CRT display, a projection television, a
plasma display, or an EL display.
References Cited (Backward Citations)
No citation records indexed.
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