US5362833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenolic polysiloxane-containing coated articles useful as toner fusing members
Assignee: Eastman Kodak Co
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Filing: 1992-06-10
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Granted: 1994-11-08
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Expires: 2012-06-10
Abstract
Abstract Toner fusing members coated with melamine-cured phenolic polysfloxanes compositions are obtained. Such a phenolic polysiloxane is obtained by hydride-addition of a hydride-substituted polysiloxane with an alkenyl substituted phenol.
Inventors
- 👤 Jiann H. Chen
- 👤 Tsang J. Chen
- 👤 Lawrence P. DeMejo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:14
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C09; C09D; C09D183/00; C09D183/04; C09D183/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
150 words
A coated article comprising: a substrate, and coated thereon a composition comprising a crosslinked product of, a phenolic polysiloxane of the formula ##STR3## wherein, R 1 , R 2 and R 3 are independently C 1 -C 6 alkyl, phenyl or a HO-Ar-alk-group, provided that said polysiloxane has at least two HO-Ar-alk-groups; R 4 -R 8 are independently C 1 -C 6 alkyl or phenyl; Ar is phenylene, naphthylene or phenylene substituted with C 1 -C 6 alkyl or C 1 -C 3 alkoxy; alk is C 2 -C 6 alkylene; m is 1 to 1,000; n is 5 to 10,000; a polyamine crosslinking agent; and a hard silicone polymer resin comprising repeating units of the formulae, (R.sup.9).sub.2 SiO and R.sup.10 SiO.sub.1.5, wherein, R 9 and R 10 are independently methyl or phenyl, provided that the ratio of methyl to phenyl groups is between about 0.2 and 2 to 1.
Claim 2
Dependent Claim
150 words
A coated article comprising: a substrate, and coated thereon a composition comprising a crosslinked product of, a phenolic polysiloxane of the formula ##STR3## wherein, R 1 , R 2 and R 3 are independently C 1 -C 6 alkyl, phenyl or a HO-Ar-alk-group, provided that said polysiloxane has at least two HO-Ar-alk-groups; R 4 -R 8 are independently C 1 -C 6 alkyl or phenyl; Ar is phenylene, naphthylene or phenylene substituted with C 1 -C 6 alkyl or C 1 -C 3 alkoxy; alk is C 2 -C 6 alkylene; m is 1 to 1,000; n is 5 to 10,000; a polyamine crosslinking agent; and a hard silicone polymer resin comprising repeating units of the formulae, (R.sup.9).sub.2 SiO and R.sup.10 SiO.sub.1.5, wherein, R 9 and R 10 are independently methyl or phenyl, provided that the ratio of methyl to phenyl groups is between about 0.2 and 2 to 1.
Claim 3
Dependent Claim
19 words
A coated article according to claim 1, wherein said article is a fuser belt comprising a continuous flexible substrate.
Claim 4
Dependent Claim
18 words
A coated article according to claim 1, wherein said composition contains from 10-50 weight percent of said polyamine.
Claim 5
Dependent Claim
14 words
A coated article according to claim 1, wherein said polyamine is a melamine resin.
Claim 6
Dependent Claim
21 words
A coated article according to claim 4, wherein said melamine resin is selected from the group consisting of hexamethoxymethylmelamine and methoxymethylmethylolmelamine.
Claim 7
Dependent Claim
109 words
A coated article comprising: a substrate, and coated thereon a thermoset resin composition comprising a crosslinked product of, a phenolic polysiloxane of the formula, ##STR4## wherein, R 1 , R 2 and R 3 are independently C 1 -C 6 alkyl, phenyl or HO-Ar-alk group, provided that said polysiloxane has at least two HO-Ar-alk groups; R 4 -R 8 are independently C 1 -C 6 alkyl or phenyl; Ar is phenylene, naphthylene or phenylene substituted with C 1 -C 6 alkyl or C 1 -C 3 alkoxy; alk is C 2 -C 6 alkylene; m is 1 to 1,000; n is 5 to 10,000; and polyfunctional aziridine crosslinking agent.
Claim 8
Dependent Claim
109 words
A coated article comprising: a substrate, and coated thereon a thermoset resin composition comprising a crosslinked product of, a phenolic polysiloxane of the formula, ##STR4## wherein, R 1 , R 2 and R 3 are independently C 1 -C 6 alkyl, phenyl or HO-Ar-alk group, provided that said polysiloxane has at least two HO-Ar-alk groups; R 4 -R 8 are independently C 1 -C 6 alkyl or phenyl; Ar is phenylene, naphthylene or phenylene substituted with C 1 -C 6 alkyl or C 1 -C 3 alkoxy; alk is C 2 -C 6 alkylene; m is 1 to 1,000; n is 5 to 10,000; and polyfunctional aziridine crosslinking agent.
Claim 9
Dependent Claim
25 words
A coated article according to claim 6, wherein said polyfunctional aziridine crosslinking agent is selected from the group consisting of trimethylolpropane tris[beta-(N-aziridinyl)propionate] and petaerythritol tris[beta-(N-aziridinyl)propionate].
Claim 10
Dependent Claim
53 words
A coated article according to claim 6, further comprising a hard silicone copolymer resin comprising repeating units of the formulae, (R.sup.9).sub.2 SiO and R.sup.10 SiO.sub.1.5, wherein, R 9 and R 10 are independently methyl or phenyl, provided that the ratio of methyl to phenyl groups is between about 0.2 and 2 to 1.
Claim 11
Dependent Claim
19 words
A coated article according to claim 6, wherein said article is a fuser belt comprising a continuous flexible substrate.
Claim 12
Dependent Claim
23 words
A coated article according to claim 6, wherein said thermoset resin composition contains from 10-50 weight percent of said polyfunctional aziridine crosslinking agent.
Claim 13
Dependent Claim
109 words
A coated article comprising: a substrate, and coated thereon a thermoset resin composition comprising a crosslinked product of, a phenolic polysiloxane of the formula, ##STR5## wherein, R 1 , R 2 and R 3 are independently C 1 -C 6 alkyl, phenyl or HO-Ar-alk group, provided that said polysiloxane has at least two HO-Ar-alk groups; R 4 -R 8 are independently C 1 -C 6 alkyl or phenyl; Ar is phonylena, naphthylene or phenyiene substituted with C 1 -C 6 alkyl or C 1 -C 3 alkoxy; alk is C 2 -C 6 alkylene; m is 1 to 1,000; n is 5 to 10,000; and tertiary polyamine crosslinking agent.
Claim 14
Dependent Claim
109 words
A coated article comprising: a substrate, and coated thereon a thermoset resin composition comprising a crosslinked product of, a phenolic polysiloxane of the formula, ##STR5## wherein, R 1 , R 2 and R 3 are independently C 1 -C 6 alkyl, phenyl or HO-Ar-alk group, provided that said polysiloxane has at least two HO-Ar-alk groups; R 4 -R 8 are independently C 1 -C 6 alkyl or phenyl; Ar is phonylena, naphthylene or phenyiene substituted with C 1 -C 6 alkyl or C 1 -C 3 alkoxy; alk is C 2 -C 6 alkylene; m is 1 to 1,000; n is 5 to 10,000; and tertiary polyamine crosslinking agent.
Claim 15
Dependent Claim
53 words
A coated article according to claim 11, further comprising a hard silicone copolymer resin comprising repeating units of the formulae, (R.sup.9).sub.2 SiO and R.sup.10 SiO.sub.1.5, wherein, R 9 and R 10 are independently methyl or phenyl, provided that the ratio of methyl to phenyl groups is between about 0.2 and 2 to 1.
Claim 16
Dependent Claim
19 words
A coated article according to claim 11, wherein said article is a fuser belt comprising a continuous flexible substrate.
Claim 17
Dependent Claim
23 words
A coated article according to claim 11, wherein said thermoset resin composition contains from 10-50 weight percent of said tertiary polyamine crosslinking agent.
Claim 18
Dependent Claim
17 words
A coated article according to claim 11, wherein said tertiary polyamine crosslinking agent is a melamine resin.
Claim 19
Dependent Claim
21 words
A coated article according to claim 11, wherein said melamine resin is selected from the group consisting of hexamethoxymethylmelamine and methoxymethylmethylolmelamine.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1997-11-07 | 1998-05-09 | 1998-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-11-07 | 2002-05-09 | 2002-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-11-07 | 2006-05-09 | 2006-11-08 | $7700.00 | Window Closed / Lapsed |