Zirconium pretreatment compositions containing molybdenum, associated methods for treating metal substrates, and related coated metal substrates
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C23C-022/44
C23C-022/34
C23C-022/83
C25D-013/00
C25D-013/02
C25D-013/20
출원번호
US-0424898
(2013-08-16)
등록번호
US-10125424
(2018-11-13)
우선권정보
FR-12 58080 (2012-08-29)
국제출원번호
PCT/US2013/055354
(2013-08-16)
국제공개번호
WO2014/035691
(2014-03-06)
발명자
/ 주소
Sudour, Michel
Wozniak, Aline
Maintier, Philippe
출원인 / 주소
PPG Industries Ohio, Inc.
대리인 / 주소
Passerin, Esq., Alicia M.
인용정보
피인용 횟수 :
0인용 특허 :
74
초록▼
Disclosed are pretreatment compositions and associated methods for treating metal substrates with pretreatment compositions, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The pretreatment composition includes: a Group IIIB and/or IVB metal; free fluoride; and m
Disclosed are pretreatment compositions and associated methods for treating metal substrates with pretreatment compositions, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The pretreatment composition includes: a Group IIIB and/or IVB metal; free fluoride; and molybdenum. The methods include contacting the metal substrates with the pretreatment composition.
대표청구항▼
1. A pretreatment composition for treating a metal substrate comprising: a Group IIIB and/or Group IVB metal;free fluoride;molybdenum; andlithium;wherein the pH of the pretreatment composition is 1 to 6. 2. The pretreatment composition of claim 1, wherein the Group IIIB and/or Group IVB metal compri
1. A pretreatment composition for treating a metal substrate comprising: a Group IIIB and/or Group IVB metal;free fluoride;molybdenum; andlithium;wherein the pH of the pretreatment composition is 1 to 6. 2. The pretreatment composition of claim 1, wherein the Group IIIB and/or Group IVB metal comprises zirconium. 3. The pretreatment composition of claim 1, wherein the molybdenum is provided in the form of a salt. 4. The pretreatment composition of claim 3, wherein the salt comprises sodium molybdate, calcium molybdate, potassium molybdate, ammonium molybdate, molybdenum chloride, or molybdenum acetate, molybdenum acetate, molybdenum sulfamate, molybdenum formate, or molybdenum lactate. 5. The pretreatment composition of claim 1, wherein the lithium is provided in the form of a salt. 6. The pretreatment composition of claim 5, wherein the salt comprises lithium nitrate, lithium sulfate, lithium fluoride, lithium chloride, lithium hydroxide, lithium carbonate, or lithium iodide. 7. The pretreatment composition of claim 1, wherein the free fluoride is present in an amount of 5 ppm to 250 ppm based on a total weight of the ingredients in the pretreatment composition. 8. The pretreatment composition of claim 1, wherein the molar ratio of the Group IIIB and/or IVB metal is between 100:1 and 1:10. 9. The pretreatment composition of claim 1, further comprising a resinous binder. 10. The pretreatment composition of claim 9, wherein the resinous binder is water soluble and/or dispersible. 11. The pretreatment composition of claim 9, wherein the resinous binder comprises a reaction product of one or more alkanolamines and an epoxy-functional material containing at least two epoxy groups, beta hydroxy ester, imide or sulfide functionality, polyamides, or combinations thereof. 12. The pretreatment composition of claim 1, further comprising an amine. 13. The pretreatment composition of claim 12, wherein the amine comprises trimethylamine, methylethyl amine, or mixtures thereof. 14. A pretreated metal substrate comprising a surface layer formed from the composition of claim 1. 15. An electrophoretically coated metal substrate comprising: a treated surface layer formed from the composition of claim 1; andan electrophoretically deposited coating composition over at least a portion of the treated surface layer, wherein the coating composition comprises yttrium.
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