US4895767A
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US
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Transparent article and process for preparation thereof
Assignee: Toray Industries Inc
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Filing: 1988-06-17
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Granted: 1990-01-23
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Expires: 2008-06-17
Abstract
Abstract A transparent article comprising on the surface of a transparent substrate a cured transparent coating film composed of a composition comprising 100 parts by weight of an organic silicon compound represented by the following general formula (I) and/or a hydrolysis product thereof: R.sup.1.sub.a R.sup.2.sub.b Si(OR.sup.3).sub.4-a-b (I) wherein R 1 and R 2 each stand for an alkyl group, an alkenyl group, an aryl group or a hydrocarbon group having a halogen group, an epoxy group, a glycidoxy group, an amino group, a mercapto group, a methacryloxy group or a cyano group, R 3 stands for an alkyl group having 1 to 8 carbon atoms, an alkoxyalkyl group, an acyl group or a phenyl group, and a and b are 0 or 1, 10 to 300 parts by weight of a polyfunctional epoxy resin having an aromatic ring and/or an aliphatic ring and 25 to 800 parts by weight of antimony oxide fine particles having an average particle size of 1 to 200 mμ.
Inventors
- 👤 Kaoru Mori
- 👤 Naoki Shimoyama
- 👤 Takashi Taniquchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:23
CPC Classifications
C; C09; C09D; C09D163/00; C09D183/00; C09D183/04; G02B1/105; G; G02; G02B; G02B1/00; G02B1/10; G02B1/11; G02B1/111; G02B1/14; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/256; Y10T428/31504; Y10T428/31507; Y10T428/31511; Y10T428/31515; Y10T428/31518; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
196 words
A transparent article comprising on the surface of a transparent substrate a cured transparent coating film composed of a composition comprising 100 parts by weight of an organic silicon compound represented by the following general formula (I) and/or a hydrolysis product thereof: R.sup.1.sub.a R.sup.2.sub.b Si(OR.sup.3).sub.4-a-b (I) wherein R 1 and R 2 each stand for an alkyl group, an alkenyl group, an aryl group or a hydrocarbon group having a halogen group, an epoxy group, a glycidoxy group, an amino group, a mercapto group, a methacrylate group or a cyano group, R 3 stands for an alkyl group having 1 to 8 carbon atoms, an alkoxyalkyl group, an acyl group or a phenyl group, and a and b are 0 or 1, 10 to 300 parts by weight of a polyfunctinal epoxy resin having an aromatic ring and/or an aliphatic ring, said epoxy resin being selected from the group consisting of: ##STR3## wherein R stands for a glycidyl group and l, m, n 1 and n 2 are integers of from 0 to 15 and 25 to 800 parts by weight of antimony oxide fine particles having an average particle size of 1 to 200 mμ.
Claim 2
Dependent Claim
196 words
A transparent article comprising on the surface of a transparent substrate a cured transparent coating film composed of a composition comprising 100 parts by weight of an organic silicon compound represented by the following general formula (I) and/or a hydrolysis product thereof: R.sup.1.sub.a R.sup.2.sub.b Si(OR.sup.3).sub.4-a-b (I) wherein R 1 and R 2 each stand for an alkyl group, an alkenyl group, an aryl group or a hydrocarbon group having a halogen group, an epoxy group, a glycidoxy group, an amino group, a mercapto group, a methacrylate group or a cyano group, R 3 stands for an alkyl group having 1 to 8 carbon atoms, an alkoxyalkyl group, an acyl group or a phenyl group, and a and b are 0 or 1, 10 to 300 parts by weight of a polyfunctinal epoxy resin having an aromatic ring and/or an aliphatic ring, said epoxy resin being selected from the group consisting of: ##STR3## wherein R stands for a glycidyl group and l, m, n 1 and n 2 are integers of from 0 to 15 and 25 to 800 parts by weight of antimony oxide fine particles having an average particle size of 1 to 200 mμ.
Claim 3
Dependent Claim
30 words
A transparent article as set forth in claim 1, wherein the epoxy equivalent of the polyfunctional epoxy resin having an aromatic ring and/or an aliphatic ring is 180 to 400.
Claim 4
Dependent Claim
19 words
A transparent article as set forth in claim 1, wherein the transparent substrate is composed of a plastic material.
Claim 5
Dependent Claim
21 words
A transparent article as set forth in claim 3, wherein the refractive index of the plastic material is 1.54 to 1.70.
Claim 6
Dependent Claim
19 words
A transparent article as set forth in claim 1, wherein the transparent substrate is composed of an inorganic glass.
Claim 7
Dependent Claim
19 words
A transparent article as set forth in claim 1, wherein the cured transparent film is one cured by heating.
Claim 8
Dependent Claim
20 words
A transparent article as set forth in claim 1, wherein the anitmony oxide fine particles are composed of antimony pentoxide.
Claim 9
Dependent Claim
26 words
A transparent article as set forth in claim 1, wherein the transparent substrate is composed of a plastic material containing a halogen atom (exclusive of fluorine).
Claim 10
Dependent Claim
24 words
A transparent article as set forth in claim 1, wherein the cured transparent film contains a transition metal compound and/or a reaction product thereof.
Claim 11
Dependent Claim
36 words
A transparent article as set forth in claim 9, wherein the transition metal compound and/or the reaction product thereof is a chelate compound of at least one metal selected from Cu, Ni, Mn, Co and Fe.
Claim 12
Dependent Claim
27 words
A transparent article as set forth in claim 9, wherein the transition metal compound and/or the reaction product has the function of a singlet state oxygen quencher.
Claim 13
Dependent Claim
213 words
A transparent article comprising on the surface of a transparent substrate a cured transparent coating film composed of a composition comprising 100 parts by weight of an organic silicon compound represented by the following general formula (I) and/or a hydrolysis product thereof: R.sup.1.sub.a R.sup.2.sub.b Si(OR.sup.3).sub.4-a-b (I) wherein R 1 and R 2 each stand for an alkyl group, an alkenyl group, an aryl group or a hydrocarbon group having a halogen group, an epoxy group, a glycidoxy group, an amino group, a mercapto group, a methacrylate group or a cyano group, R 3 stands for an alkyl group having 1 to 8 carbon atoms, an alkoxyalkyl group, an acyl group or a phenyl group, and a and b are 0 or 1, 10 to 300 parts by weight of a polyfunctional epoxy resin having an aromatic ring and/or an aliphatic ring, said epoxy resin being selected from the group consisting of: ##STR4## wherein R stands for a glycidyl group and l, m, n 1 and n 2 are integers of fron 0 to 15 and 25 to 800 parts by weight of antimony oxide fine particles having an average particle size of 1 to 200 mμ, and a transparent film composed of an inorganic oxide, which is formed on the cured transparent film.
Claim 14
Dependent Claim
213 words
A transparent article comprising on the surface of a transparent substrate a cured transparent coating film composed of a composition comprising 100 parts by weight of an organic silicon compound represented by the following general formula (I) and/or a hydrolysis product thereof: R.sup.1.sub.a R.sup.2.sub.b Si(OR.sup.3).sub.4-a-b (I) wherein R 1 and R 2 each stand for an alkyl group, an alkenyl group, an aryl group or a hydrocarbon group having a halogen group, an epoxy group, a glycidoxy group, an amino group, a mercapto group, a methacrylate group or a cyano group, R 3 stands for an alkyl group having 1 to 8 carbon atoms, an alkoxyalkyl group, an acyl group or a phenyl group, and a and b are 0 or 1, 10 to 300 parts by weight of a polyfunctional epoxy resin having an aromatic ring and/or an aliphatic ring, said epoxy resin being selected from the group consisting of: ##STR4## wherein R stands for a glycidyl group and l, m, n 1 and n 2 are integers of fron 0 to 15 and 25 to 800 parts by weight of antimony oxide fine particles having an average particle size of 1 to 200 mμ, and a transparent film composed of an inorganic oxide, which is formed on the cured transparent film.
Claim 15
Dependent Claim
36 words
A transparent article as set forth in claim 12, wherein the inorganic oxide is at least one member selected from SiO 2 , Al 2 O 3 , Yb 2 O 3 and ZrO 2 .
Claim 16
Dependent Claim
26 words
A transparent article as set forth in claim 12, wherein the transparent film of the inorganic oxide is a multi-layer film having at least two layers.
Claim 17
Dependent Claim
21 words
A transparent article as set forth in claim 12, wherein the transparent film of the inorganic oxide is an anti-reflection film.
Claim 18
Dependent Claim
14 words
A transparent article as set forth in claim 12, which is an optical article.
Claim 19
Dependent Claim
17 words
A transparent article as set forth in claim 16, wherein the optical article is a spectacle lens.
Claim 20
Dependent Claim
29 words
A process for the preparation of a transparent article as set forth in claim 12 wherein the transparent film of the inorganic oxide is formed by vacuum evaporation deposition.
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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) | 1993-01-22 | 1993-07-24 | 1994-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-22 | 1997-07-24 | 1998-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-01-22 | 2001-07-24 | 2002-01-23 | $7700.00 | Window Closed / Lapsed |