Process for producing a repair coating on a coated metallic surface
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05D-003/00
B32B-043/00
출원번호
US-0326774
(2011-12-15)
등록번호
US-8409661
(2013-04-02)
발명자
/ 주소
Eriksson, Mats
Walter, Manfred
출원인 / 주소
Chemetall GmbH
대리인 / 주소
Fulbright & Jaworski LLP
인용정보
피인용 횟수 :
1인용 특허 :
49
초록▼
A process for producing a repair coating on a metallic surface coated with a corrosion protecting coating A applied with a pretreatment composition, an organic composition or a silicon compound containing composition. Corrosion protecting coating A has been at least partially removed in the area Z,
A process for producing a repair coating on a metallic surface coated with a corrosion protecting coating A applied with a pretreatment composition, an organic composition or a silicon compound containing composition. Corrosion protecting coating A has been at least partially removed in the area Z, and a thin corrosion protecting coating B containing a silicon compound is applied with a solution or dispersion containing a silane, a silanol, a siloxane, a polysiloxane or a mixture thereof on at least a part of the area Z. A further corrosion protecting coating C which is generated with an organic composition like a primer, a wet-primer, an e-coat, a powder coat, a base-coat or a clear-coat or a composition which is the same or another siloxane composition as for the thin film B may also be applied to coating B.
대표청구항▼
1. A process comprising: applying a corrosion protection coating to a metallic surface;removing the corrosion protection coating from the metallic surface in at least and area Z of the metallic surface;forming a repair coating on at least a part of the area Z by applying a solution or dispersion con
1. A process comprising: applying a corrosion protection coating to a metallic surface;removing the corrosion protection coating from the metallic surface in at least and area Z of the metallic surface;forming a repair coating on at least a part of the area Z by applying a solution or dispersion consisting of at least one silicon compound selected from the group consisting of a silane, a silanol, a siloxane, and a polysiloxane, on at least a part of the area Z. 2. The process of claim 1 wherein the solution or dispersion comprises Ti or Zr. 3. The process of claim 1, wherein the solution or dispersion coating comprises a complex fluoride of Ti or Zr. 4. The process of claim 1, wherein the solution or dispersion comprises at least one of a nitrate, a nitrite, a surfactant, an acid or a base. 5. The process of claim 1, wherein the solution or dispersion comprises an ion selected from the group consisting of Al, Co, Fe, Mg, Mn, Su or Zn. 6. The process of claim 1, wherein the solution or dispersion contains free fluoride. 7. The process of claim 1, wherein the solution or dispersion further comprises a fluoride, a complex fluoride, or nitrate of titanium, hafnium, zirconium or aluminum. 8. A process comprising: applying a corrosion protection coating to a metallic surface,removing the corrosion protection coating from the metallic surface in at least an area Z of the metallic surface; andforming a repair coating on at least a part of the area Z by applying a solution or dispersion comprising an acyloxysilane, one alkoxysilane, one silane with at least one amino group, a silane with at least one succinic acid group or succinic acid anhydride group, a bis-silyl silane, a silane with at least one epoxy group, a (meth)acrylato-sihine, a multi-silyl-silane, a ureidosilane, a vinylsilane, a silariol a siloxane. 9. The process of claim 8, wherein the solution or dispersion comprises Ti or Zr. 10. The process of claim 8, wherein the solution or dispersion comprises a complex fluoride of Ti or Zr. 11. The process of claim 8, wherein the solition or dispersion comprises at least one of a nitrate, a nitrite, a surfactant, an acid or a base. 12. The process of claim 8, wherein the solution or dispersion comprises an ion selected from the group consisting of Al, Co, Fe, Mg, Mn, Su or Zn.
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