Single coat non-stick coating system and articles coated with same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-027/20
B32B-027/30
B32B-027/34
C08K-003/22
C08K-003/00
C08L-077/00
출원번호
US-0048666
(2001-08-16)
국제출원번호
PCT/US01/041761
(2001-08-16)
§371/§102 date
20020201
(20020201)
국제공개번호
WO02/014066
(2002-02-21)
발명자
/ 주소
Leech,Lawrence D.
Chung,Daniel C.
Miller,Michael W.
출원인 / 주소
Whitford Corporation
대리인 / 주소
Baker &
인용정보
피인용 횟수 :
28인용 특허 :
34
초록▼
Single coat coating systems (22), as well as articles coated with such non-stick coating systems, are provided. The single coat system includes a fluoropolymer copolymer (14a), such as fluoropolymer terpolymer including tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride monomers, with
Single coat coating systems (22), as well as articles coated with such non-stick coating systems, are provided. The single coat system includes a fluoropolymer copolymer (14a), such as fluoropolymer terpolymer including tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride monomers, with fluoropolymer copolymers are referred to collectively as THV. The single coat system exhibits excellent substrates adhesion and release properties, is resistant to separation failure at the interface between the binder ( 12) and fluoropolymer components (14a), and exhibits adhesion to smooth substrates (16). The single coat system may also include a high level of fillers to provide increased damage resistance without compromising the above benefits.
대표청구항▼
What is claimed is: 1. A single coat, non-stick coating system, comprising: at least one binder resin (12) selected from the group consisting of polyamideimide, polyamine, polyamide, polyimide, and a combination thereof; and at least one fluoropolymer resin (14a), one said fluoropolymer resin comp
What is claimed is: 1. A single coat, non-stick coating system, comprising: at least one binder resin (12) selected from the group consisting of polyamideimide, polyamine, polyamide, polyimide, and a combination thereof; and at least one fluoropolymer resin (14a), one said fluoropolymer resin comprising 5% to 30% by weight by vinylidene fluoride and capable of reacting with at least one of said amide and amine functional groups of said one binder resin. 2. The coating system of claim 1, wherein said at least one binder resin includes an additional resin selected from the group consisting of polyphenylene sulfide, polyether sulfone, polyether ether ketone, silicone, and a combination thereof. 3. The coating system of claim 1, wherein said at least one fluoropolymer resin (14a) includes an additional fluoropolymer resin selected from the group consisting of polytetrafluoroethylene, fluorinated ethylene propylene, perfluoroalkoxy polymer, and a combination thereof. 4. The coating system of claim 1, wherein said one fluoropolymer resin (14a) is a terpolymer of tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride, having a melting point of from about 160째 C. to about 250째 C. 5. The coating system of claim 1, wherein said at least one binder resin (12) comprises approximately 25% to 65% of the solid content of said coating system. 6. The coating system of claim 1, wherein said at least one binder resin (12) comprises approximately 20% to 100% by weight of resin including a functional group selected from the group consisting of amide and amide functional groups. 7. The coating system of claim 1, wherein said at least one fluoropolymer resin (14a) comprises approximately 15% to 60% by weight of the solid content of the coating system. 8. The coating system of claim 1, wherein said one fluoropolymer resin (14a) has a melting point in the range of about 160째 C. to about 250째 C. 9. The coating system of claim 1, wherein said one fluoropolymer resin (14a) has a melt viscosity of greater than about 103 poise. 10. The coating system of claim 1, further including a filler material selected from the group consisting of zinc oxide, aluminum oxide, zirconium oxide, titanium dioxide, iron oxide, chromium dioxide, silicon oxide, aluminum silicate, magnesium aluminum silicate, silicon carbide, titanium carbide, silicon nitride, titanium nitride, boron nitride, and mixtures thereof. 11. The coating system of claim 10, further including a pigment, said pigment selected from the group consisting of ultramarine blue zeolite, channel black, carbon black, and mixtures thereof. 12. The coating system of claim 11, wherein said pigments and said fillers comprise approximately up to approximately 45% by weight of said coating system. 13. A single-coat, non-stick coating system in the form of an aqueous dispersion, comprising: a binder resin (12) including at least one of polyamideimide, polyamine, polyamide, and polyimide; and a fluoropolymer resin (14a) in the form of a copolymer of tretrafluoroethylene, hexafluoropropylene and vinylidene fluoride monomers, said copolymer including 5% to 30% by weight vinylidene fluoride monomers. 14. The coating system of claim 13, wherein said binder resin includes an additional resin selected from the group consisting of silicone, polyether sulfone, polyphenylene sulfide, polyether ether ketone, and a combination thereof. 15. The coating system of claim 13, wherein said fluoropolymer resin (14a) includes an additional resin selected from the group consisting of polytetrafluoroethylene, fluorinated ethylene propylene, perfluoroalkoxy polymer, and a combination thereof. 16. The coating system of claim 13, further including a filler material selected from the group consisting of zinc oxide, aluminum oxide, zirconium oxide titanium dioxide, chromium dioxide, silicon dioxide, aluminum silicate, magnesium aluminum silicate, silicon carbide, titanium carbide, silicon nitride, titanium nitride, boron nitride, and mixtures thereof. 17. The coating system of claim 13, further including a pigment selected from the group consisting of ultramarine blue zeolite, channel back, carbon black, and mixtures thereof. 18. A substrate (16) coated with a single coat, non-stick coating, and non-stick coating comprising: at least one binder resin (12) selected from the group consisting of polyamideimide, polyamine, polyamide, polyimide, and a combination thereof; at least one fluoropolymer resin (14a), one said fluoropolymer resin comprising 5% to 30% by weight vinylidene fluoride and capable of reacting with at least one of said amide and amine functional groups of said one binder resin; and a filler material. 19. The substrate (16) of claim 18, wherein said one fluoropolymer resin (14a) includes a copolymer having tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride monomers. 20. The substrate (16) of claim 18, wherein said at least one fluoropolymer resin (14a) includes an additional resin selected from the group consisting of polytetrafluoroethylene, fluorinated ethylene propylene, perfluoroalkoxy polymer, and a combination thereof. 21. The substrate (16) of claim 18, wherein said coating is applied to said substrate by at least one spraying, curtain coating, and roller coating. 22. The substrate (16) of claim 18, wherein said substrate (16) is selected from the group consisting of stainless steel, carbon steel, and aluminum having a surface roughened to an average roughness of about 2-5 μm. 23. The substrate (16) of claim 18, wherein said substrate (16) is aluminum etched to an average roughness of about 0.5 to 2 μm. 24. The substrate (16) of claim 18, wherein said filler material is selected from the group consisting of zinc oxide, aluminum oxide, zirconium oxide, titanium dioxide, chromium dioxide, silicon dioxide, aluminum silicate, magnesium aluminum silicate, silicon carbide, titanium carbide, silicon nitride, titanium nitride, boron nitride, and mixtures thereof. 25. The substrate (16) of claim 18, wherein said coating further includes a pigment, said pigment selected from the group consisting of ultramarine blue zeolite, channel black, carbon black, and mixtures thereof.
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