Coating stack comprising a layer of barrier coating
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05D-007/24
C03C-017/36
B32B-017/10
C03C-017/34
C03C-017/38
C03C-017/42
C23C-014/08
C23C-014/34
C23C-014/58
G02B-001/10
출원번호
US-0752501
(2007-05-23)
등록번호
US-9556068
(2017-01-31)
발명자
/ 주소
Buhay, Harry
Finley, James J.
Thiel, James P.
출원인 / 주소
Vitro, S.A.B. de C.V.
대리인 / 주소
Siminerio, Andrew C.
인용정보
피인용 횟수 :
0인용 특허 :
36
초록▼
A coating composition that contains at least one degradable coating layer and at least one layer of barrier coating is disclosed. The coating composition can be used to make a coated substrate having improved performance over conventional coated substrates after exposure to heat and certain chemical
A coating composition that contains at least one degradable coating layer and at least one layer of barrier coating is disclosed. The coating composition can be used to make a coated substrate having improved performance over conventional coated substrates after exposure to heat and certain chemicals like halides such as chlorides, sulfur, salt, chlorine, alkali, and enamels.
대표청구항▼
1. A method of forming a multilayered coated substrate, comprising: providing a substrate;applying a first barrier layer over at least a portion of a substrate, wherein the first barrier layer has a permeability to oxygen of no greater than 10 grams per m2 per day at a temperature of 900° F., and wh
1. A method of forming a multilayered coated substrate, comprising: providing a substrate;applying a first barrier layer over at least a portion of a substrate, wherein the first barrier layer has a permeability to oxygen of no greater than 10 grams per m2 per day at a temperature of 900° F., and wherein the first barrier layer comprises a mixture of silica and alumina having greater than or equal to 40 wt. % silica;applying a first dielectric layer over the first barrier layer;applying at least one degradable metal layer over the first dielectric layer;applying a primer layer over the at least one degradable metal layer;applying a second dielectric layer over the primer layer; andapplying a second barrier layer over the second dielectric layer, wherein the second barrier layer has a permeability to oxygen of no greater than 10 grams per m2 per day at a temperature of 900° F., and wherein the barrier layer comprises a mixture of silica and alumina having greater than or equal to 40 wt. % silica; and passing the multilayered coated substrate through a furnace having a line speed from 9 inches per minute (“ipm”) to 5 ipm, the resulting multilayered coated substrate has a visible light transmittance of at least 70 percent. 2. The method according to claim 1, wherein the first barrier layer or the second barrier layer has a thickness from 50 Å to 5,400 Å. 3. The method according to claim 1, wherein the applying the first barrier layer or the applying the second barrier layer step comprises depositing the first barrier layer or the second barrier layer by a magnetron sputtered vacuum deposition (“MSVD”) technique using a target comprising about 60 weight percent aluminum and 40 weight percent silicon. 4. The method according to claim 1, wherein the primer has a thickness in the range from 10 Å to 18 Å. 5. The method according to claim 1, wherein the permeability to oxygen for the first barrier layer or the second barrier layer is no greater than 5 g/m2/day. 6. The method according to claim 1, wherein the permeability to oxygen for the first barrier layer or the second barrier layer is no greater than 0.6 g/m2/day. 7. The method according to claim 4, wherein the primer is selected from the group consisting of titanium, aluminum, hafnium and a cobalt-chrome alloy. 8. The method according to claim 4, wherein the primer is titanium. 9. The method according to claim 8, wherein the primer has a thickness between 12 Å and 15 Å. 10. A method of forming a multilayered coated substrate, comprising: forming a coating over a substrate, the coating comprising a radiation reflective metal layer over the substrate, a primer layer directly on the radiation reflective metal layer, and a first barrier layer over the primer layer; whereinthe barrier layer has a permeability to oxygen of no greater than 10 grams per m2 per day at a temperature of 900° F., and wherein the barrier layer comprises a mixture of silica and alumina having greater than or equal to 40 wt. % silica; andpassing the coated substrate through a furnace having a line speed from 9 ipm to 5 ipm, wherein the resulting multilayered coated substrate has a visible light transmittance of at least 70 percent. 11. The method according to claim 10, wherein the second barrier layer is the outermost layer of the coating. 12. The method according to claim 10, wherein the first barrier layer is the outermost layer of the coating. 13. The method according to claim 10, wherein the first barrier layer comprises about 60 weight percent alumina and about 40 weight percent silica. 14. The method according to claim 10, wherein the primer has a thickness in the range from 10 Å to 18 Å. 15. The method according to claim 10, wherein the permeability to oxygen for the first barrier layer is no greater than 5 g/m2/day. 16. The method according to claim 10, wherein the permeability to oxygen for the first barrier layer is no greater than 0.6 g/m2/day. 17. The method according to claim 14, wherein the primer is selected from the group consisting of titanium, aluminum, hafnium and a cobalt-chrome alloy. 18. The method according to claim 14, wherein the primer is titanium. 19. The method according to claim 18, wherein the primer has a thickness between 12 Å and 15 Å. 20. The method according to claim 11 further comprising providing a second barrier layer between the coating and the substrate, wherein the barrier layer has a permeability to oxygen of no greater than 10 grams per m2 per day at a temperature of 900° F., and wherein the barrier layer comprises a mixture of silica and alumina having greater than or equal to 40 wt. % silica. 21. A method of forming a multilayered coated substrate, comprising: applying a first layer on a substrate;applying a first metal layer over the first layer;applying a first primer layer over the first metal layer;applying a second layer over the first primer layer;applying a second metal layer over the second layer;applying a second primer layer over the second metal layer;applying a third layer over the second metal layer;applying a barrier coating over the third layer; wherein the barrier layer has a permeability to oxygen of no greater than 10 grams per m2 per day at a temperature of 900° F., and wherein the barrier layer comprises a mixture of silica and alumina having greater than or equal to 40 wt. % silica; and passing the multilayered coated substrate through a furnace having a line speed from 9 ipm to 5 ipm, the resulting multilayered coated substrate has a visible light transmittance of at least 70 percent. 22. The method according to claim 21, wherein the first layer, the second layer or the third layer comprises zinc stannate. 23. The method according to claim 21, wherein the first metal layer or the second metal layer comprises silver. 24. The method according to claim 21, wherein the first primer layer or the second primer layer comprises titanium.
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