US5922787A
Expired / Lapsed
US
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Composition for forming antifouling antifouling film, optical component, and display device
Assignee: Sony Corp
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Filing: 1997-03-19
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Granted: 1999-07-13
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Expires: 2017-03-19
Abstract
Abstract A composition for forming an antifouling film or an optical component having such an antifouling film, for example, an anti-reflection filter, contains an alkoxysilane compound having a perfluoropolyether group indicated by the following general formula (1): R.sub.f (COR.sub.1 --R.sub.2 --Si(OR.sub.3).sub.3 }.sub.j (1) where, in the formula, R f indicates a perfluoropolyether group, R 1 indicates a bivalent atom or group, R 2 indicates an alkylene group, R 3 indicates an alkyl group, and j is 1 or 2.
Inventors
- 👤 Hirofumi Kondo
- 👤 Hideaki Hanaoka
- 👤 Tomio Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:33
CPC Classifications
C; C09; C09K; C09K3/00; G; G02; G02B; G02B1/00; G02B1/10; G02B1/18; C08; C08G; C08G65/00; C08G65/002; C08G65/005; C08G65/007; C08G65/02; C08G65/32; C08G65/329; C08G65/336; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/044; C08J7/046; C09D; C09D183/00; C09D183/10; C09D183/12; C09D4/00; G02B27/00; G02B27/0006; C08J2483/00; Y; Y10; Y10T; Y10T428/00; Y10T428/14; Y10T428/1424; Y10T428/1429
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
152 words
A composition for forming an antifouling layer comprising: (A) from about 0.1 to about 5.0% by weight of an alkoxysilane compound having a perfluoropolyether group selected from compounds having the formula: R.sup.f (COR.sup.1 --R.sup.2 --Si(OR.sup.3).sub.3).sub.j, wherein R f is selected from F(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.n --, ##STR7## --(OC.sub.2 F.sub.4).sub.p (OCF.sub.2).sub.q --, wherein k, l, m, n, p and q are integers of 1 or more; R 1 is selected from O, N or S; R 2 is selected from divalent alkylene, benzylene or phenylene; and R 3 is an alkyl group and j is 1 or 2; (B) an amount of a catalyst effective to promote bonding of the alkoxysilane compound to a substrate, said catalyst being selected from hydrochloric acid, ammonia water, dilauryl phosphate, or acetyl acetone, and (C) a solvent selected from the group consisting of: alcohols, ketones, hydrocarbons and mixtures of two or more of any of the foregoing.
Claim 2
Dependent Claim
152 words
A composition for forming an antifouling layer comprising: (A) from about 0.1 to about 5.0% by weight of an alkoxysilane compound having a perfluoropolyether group selected from compounds having the formula: R.sup.f (COR.sup.1 --R.sup.2 --Si(OR.sup.3).sub.3).sub.j, wherein R f is selected from F(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.n --, ##STR7## --(OC.sub.2 F.sub.4).sub.p (OCF.sub.2).sub.q --, wherein k, l, m, n, p and q are integers of 1 or more; R 1 is selected from O, N or S; R 2 is selected from divalent alkylene, benzylene or phenylene; and R 3 is an alkyl group and j is 1 or 2; (B) an amount of a catalyst effective to promote bonding of the alkoxysilane compound to a substrate, said catalyst being selected from hydrochloric acid, ammonia water, dilauryl phosphate, or acetyl acetone, and (C) a solvent selected from the group consisting of: alcohols, ketones, hydrocarbons and mixtures of two or more of any of the foregoing.
Claim 3
Dependent Claim
35 words
A composition for forming an antifouling layer according to claim 1, wherein said alkoxysilane compound having a perfluoropolyether group expressed by the above general formula (1) has a number-average molecular weight of 500 to 10000.
Claim 4
Dependent Claim
149 words
An optical component comprising: a plastic substrate having a surface; an outermost inorganic layer disposed on said surface; and an antifouling film disposed on said outermost inorganic layer, said antifouling film comprising an alkoxysilane compound having a perfluoropolyether group selected from compounds having the formula: R.sup.f (COR.sup.1 --R.sub.2 --Si(OR.sup.3).sub.3 }.sub.j, wherein R f is selected from F(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.n --, ##STR8## --(OC.sub.2 F.sub.4).sub.p (OCF.sub.2).sub.q --, wherein k, l, n, n, p and q are integers of 1 or more; R 1 is selected from O, N or S; R 2 is selected from divalent alkylene, benzylene or phenylene; and R 3 is an alkyl group and j is 1 or 2; and a minor effective amount of a catalyst effective to promote bonding of the alkoxysilane compound to the outermost inorganic layer and substrate, said catalyst being selected from hydrochloric acid, ammonia water, dilauryl phosphate, or acetyl acetone.
Claim 5
Dependent Claim
149 words
An optical component comprising: a plastic substrate having a surface; an outermost inorganic layer disposed on said surface; and an antifouling film disposed on said outermost inorganic layer, said antifouling film comprising an alkoxysilane compound having a perfluoropolyether group selected from compounds having the formula: R.sup.f (COR.sup.1 --R.sub.2 --Si(OR.sup.3).sub.3 }.sub.j, wherein R f is selected from F(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.n --, ##STR8## --(OC.sub.2 F.sub.4).sub.p (OCF.sub.2).sub.q --, wherein k, l, n, n, p and q are integers of 1 or more; R 1 is selected from O, N or S; R 2 is selected from divalent alkylene, benzylene or phenylene; and R 3 is an alkyl group and j is 1 or 2; and a minor effective amount of a catalyst effective to promote bonding of the alkoxysilane compound to the outermost inorganic layer and substrate, said catalyst being selected from hydrochloric acid, ammonia water, dilauryl phosphate, or acetyl acetone.
Claim 6
Dependent Claim
19 words
An optical component according to claim 3, wherein said outermost inorganic layer contains as a main component silicon oxide.
Claim 7
Dependent Claim
16 words
An optical component according to claim 3, wherein said plastic substrate is a sheet or film.
Claim 8
Dependent Claim
20 words
An optical component according to claim 3, wherein the optical component has an anti-reflection filter including said outermost inorganic layer.
Claim 9
Dependent Claim
20 words
An optical component according to claim 6, wherein the anti-reflection filter includes said outermost inorganic layer and a conductive layer.
Claim 10
Dependent Claim
164 words
A display device comprising: a display panel; and an optical component adhered to said displayed panel, said optical component comprising: a plastic substrate having a surface; an outermost inorganic layer disposed on said surface; and an antifouling film disposed on said outermost inorganic layer, said antifouling film comprising an alkoxysilane compound having a perfluoropolyether group selected from compounds having the formula: R.sup.f (COR.sub.1 --R.sup.2 --Si(OR.sup.3).sub.3).sub.j, wherein R f is selected from F(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.n --, ##STR9## --(OC.sub.2 F.sub.4).sub.p (OCF.sub.2).sub.q -bond, wherein k, l, m, n, p and q are integers of 1 or more; R 1 is selected from O, N or S; R 2 is selected from divalent alkylene, benzylene or phenylene; and R 3 is an alkyl group and j is 1 or 2; and a minor effective amount of a catalyst effective to promote bonding of the alkoxysilane compound to the outermost inorganic layer and substrate, said catalyst being selected from hydrochloric acid, ammonia water, dilauryl phosphate, or acetyl acetone.
Claim 11
Dependent Claim
164 words
A display device comprising: a display panel; and an optical component adhered to said displayed panel, said optical component comprising: a plastic substrate having a surface; an outermost inorganic layer disposed on said surface; and an antifouling film disposed on said outermost inorganic layer, said antifouling film comprising an alkoxysilane compound having a perfluoropolyether group selected from compounds having the formula: R.sup.f (COR.sub.1 --R.sup.2 --Si(OR.sup.3).sub.3).sub.j, wherein R f is selected from F(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.n --, ##STR9## --(OC.sub.2 F.sub.4).sub.p (OCF.sub.2).sub.q -bond, wherein k, l, m, n, p and q are integers of 1 or more; R 1 is selected from O, N or S; R 2 is selected from divalent alkylene, benzylene or phenylene; and R 3 is an alkyl group and j is 1 or 2; and a minor effective amount of a catalyst effective to promote bonding of the alkoxysilane compound to the outermost inorganic layer and substrate, said catalyst being selected from hydrochloric acid, ammonia water, dilauryl phosphate, or acetyl acetone.
Claim 12
Dependent Claim
15 words
A display device according to claim 8, wherein the display device is a cathode-ray tube.
Claim 13
Dependent Claim
19 words
A display device according to claim 8, wherein said outermost inorganic layer contains as a main component silicon oxide.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 2002-07-12 | 2003-01-11 | 2003-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-07-12 | 2007-01-11 | 2007-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-07-12 | 2011-01-11 | 2011-07-13 | $7700.00 | Window Closed / Lapsed |