US5536583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer metal bonded composite and method of producing same
Assignee: Edlon Inc
•
Filing: 1993-09-09
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Granted: 1996-07-16
•
Expires: 2013-09-09
Abstract
Abstract A coating composition including a polyether resin and comprising a major amount of resin and a minor amount of a property-improving additive, said resin being: (A) a fluorocarbon resin selected from the group consisting of (1) perfluoroalkoxy tetrafluoroethylene copolymer resin (PFA), (2) ethylenechlorotrifluoroethylene copolymer resin (E-CTFE), (3) ethylenetetrafluoroethylene copolymer resin (E-TFE), (4) poly(vinylidine fluoride) resin (PVDF), (5) tetrafluoroethylene-hexafluoropropylene copolymer resin (FEP), (6) poly(chlorotrifluoroethylene) resin (CTFE), or a mixture of two or more of said fluorocarbon resins; and/or (B) a polyether resin selected from the group consisting of (7) polyethersulfone resin (PES), (8) polyether ketone resin (PEK) and (9) polyether ether ketone resin (PEEK) or a mixture or two or more of said polyether resins; said additive being: (C) a poly(phenylene sulfide) (PPS); or (D) an inorganic crystalline ceramic powder and/or fluorocarbon resin when said resin is a polyether of (B) above; or (E) an inorganic material selected from the group consisting of a nitride, an oxide, a diboride, and a carbide of silicon, of zirconium, of tungsten or of boron, and/or a polyether when said resin is a fluorocarbon of (A) above; Coatings and articles including a fused form of said composition and a method for forming said fused composition.
Inventors
- 👤 Robert Roberts
- 👤 Steven E. Rau
- 👤 Kevin P. Pochopien
- 👤 Harris L. Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:50
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C08; C08K; C08K3/00; C08K3/01; C08K3/013; C08K3/10; C08K3/14; C09D181/00; C09D181/06; C08L; C08L81/00; C08L81/02; C08L81/06; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12569; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
67 words
An article having thereon a coating comprising the fused product of: (A) a primer coat directly in contact with the surface of the article, the primer coat comprising a polyether resin; and (B) at least one top coat overlying the primer coat, the top coat comprising a fluorocarbon resin and an additive comprising: a poly(phenylene sulfide) (PPS); or an inorganic crystalline ceramic powder, or a mixture thereof.
Claim 2
Dependent Claim
67 words
An article having thereon a coating comprising the fused product of: (A) a primer coat directly in contact with the surface of the article, the primer coat comprising a polyether resin; and (B) at least one top coat overlying the primer coat, the top coat comprising a fluorocarbon resin and an additive comprising: a poly(phenylene sulfide) (PPS); or an inorganic crystalline ceramic powder, or a mixture thereof.
Claim 3
Dependent Claim
14 words
An article according to claim 1 wherein said polyether resin is polyethersulfone resin (PES).
Claim 4
Dependent Claim
15 words
An article according to claim 1 wherein said polyether resin is polyether ketone resin (PEK).
Claim 5
Dependent Claim
16 words
An article according to claim 1 wherein said polyether resin is polyether ether ketone resin (PEEK).
Claim 6
Dependent Claim
19 words
An article according to claim 1 wherein said additive includes a mixture of PPS and inorganic crystalline ceramic powder.
Claim 7
Dependent Claim
16 words
An article according to claim 1, 2, 3 or 4 wherein said additive is said PPS.
Claim 8
Dependent Claim
19 words
An article according to claim 1, 2, 3, or 4 wherein said additive is said inorganic crystalline ceramic powder.
Claim 9
Dependent Claim
18 words
An article according to claim 1 wherein said fluorocarbon resin consists essentially of perfluoroalkoxy tetrafluoroethylene copolymer resin (PFA).
Claim 10
Dependent Claim
15 words
An article according to claim 7 wherein said powder consists essentially of a metal carbide.
Claim 11
Dependent Claim
22 words
A composition according to claim 9 wherein said metal carbide consists essentially of silicon carbide, zirconium carbide, tungsten carbide, or boron carbide.
Claim 12
Dependent Claim
15 words
A composition according to claim 9 wherein said metal carbide consists essentially of silicon carbide.
Claim 13
Dependent Claim
36 words
A composition according to claim 1 wherein the particle size of said polyether resin is about 1 to about 200 microns and the particle size of said additive does not exceed that of said polyether resin.
Claim 14
Dependent Claim
21 words
A composition according to claim 12 wherein the particle size of said polyether resin is about 20 to about 120 microns.
Claim 15
Dependent Claim
21 words
An article according to claim 1 wherein said top coat comprises about 1 to about 40 wt. % of said additive.
Claim 16
Dependent Claim
21 words
An article according to claim 1 wherein said top coat comprises about 1 to about 25 wt. % of said additive.
Claim 17
Dependent Claim
21 words
An article according to claim 1 wherein said top coat comprises about 2 to about 5 wt. % of said additive.
Claim 18
Dependent Claim
137 words
An article having thereon a coating in the form of an adherent solid cohesive and nonporous material at ambient pressure, said coating comprising the fused product of: (A) a primer coat directly in contact with the surface of the article, the primer coat comprising a major amount of polyether resin; and (B) a top coat overlying the primer coat, the top coat comprising: (i) a major amount of fluorocarbon resin selected from the group consisting of (1) perfluoroalkoxytetrafluoroethylene copolymer resin (PFA), (2) ethylene-chlorotrifluoroethylene copolymer resin (E-CTFE), (3) ethylene-tetra-fluoroethylene copolymer resin (E-TFE), (4) poly(vinylidine fluoride) resin (PVDF), (5) tetrafluoroethylene-hexafluoropropylene copolymer resin (FEP), (6) poly(chlorotrifluoroethylene) resin (CTFE), and a mixture of two or more of said fluorocarbon resins; and (ii) an additive selected from the group consisting of poly(phenylene sulfide) (PPS) and a ceramic material and a mixture thereof.
Claim 19
Dependent Claim
137 words
An article having thereon a coating in the form of an adherent solid cohesive and nonporous material at ambient pressure, said coating comprising the fused product of: (A) a primer coat directly in contact with the surface of the article, the primer coat comprising a major amount of polyether resin; and (B) a top coat overlying the primer coat, the top coat comprising: (i) a major amount of fluorocarbon resin selected from the group consisting of (1) perfluoroalkoxytetrafluoroethylene copolymer resin (PFA), (2) ethylene-chlorotrifluoroethylene copolymer resin (E-CTFE), (3) ethylene-tetra-fluoroethylene copolymer resin (E-TFE), (4) poly(vinylidine fluoride) resin (PVDF), (5) tetrafluoroethylene-hexafluoropropylene copolymer resin (FEP), (6) poly(chlorotrifluoroethylene) resin (CTFE), and a mixture of two or more of said fluorocarbon resins; and (ii) an additive selected from the group consisting of poly(phenylene sulfide) (PPS) and a ceramic material and a mixture thereof.
Claim 20
Dependent Claim
15 words
The article of claim 17, wherein said base coat consists essentially of a polyether resin.
Claim 21
Dependent Claim
13 words
The article of claim 17, wherein said fluorocarbon resin consists essentially of PFA.
Claim 22
Dependent Claim
11 words
The article of claim 17, wherein said polyether resin contains PEEK.
Claim 23
Dependent Claim
20 words
The article of claim 17, wherein said top coat comprises about 1 to about 25 wt. % of said additive.
Claim 24
Dependent Claim
17 words
The article of claim 17, wherein said additive comprises about 0.5 to about 5 wt. % SIC.
Claim 25
Dependent Claim
15 words
The article of claim 17, wherein the primer coat is adhered to a metallic surface.
Claim 26
Dependent Claim
28 words
The article of claim 17, wherein said coating further comprises an additional top coat overlying said top coat and comprising a fluorocarbon resin of (B)(i) and silicon carbide.
Claim 27
Dependent Claim
25 words
The article of claim 17, wherein said primer coat consists essentially of a polyether resin, and said top coat comprises PFA, PVDF, E-CTFE or E-TFE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-07-16 | 2000-01-15 | 2000-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-07-16 | 2004-01-15 | 2004-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-07-16 | 2008-01-15 | 2008-07-16 | $7700.00 | Window Closed / Lapsed |