Purification catalyst for reflow furnace gas, method for preventing contamination of reflow furnace, and reflow furnace
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-029/06
B01J-021/06
B01J-037/02
F23G-007/07
B01J-035/00
B01J-023/42
F27D-017/00
B01D-053/86
B01J-029/068
B01J-029/44
B01J-023/40
B01J-029/40
B01J-021/12
B01J-029/08
B01J-029/70
출원번호
US-0445246
(2007-10-10)
등록번호
US-8883667
(2014-11-11)
우선권정보
JP-2006-277223 (2006-10-11)
국제출원번호
PCT/JP2007/069745
(2007-10-10)
§371/§102 date
20090410
(20090410)
국제공개번호
WO2008/047639
(2008-04-24)
발명자
/ 주소
Nakano, Yoshiki
Sakurai, Takanobu
Ueno, Shinichi
출원인 / 주소
Nikki-Universal Co., Ltd.
대리인 / 주소
Fish & Richardson P.C.
인용정보
피인용 횟수 :
0인용 특허 :
5
초록
A purification catalyst which prevents contamination within a reflow furnace, including flux components, while suppressing the generation of CO is provided. A purification catalyst for a reflow furnace gas, having one or two of zeolite and silica-alumina as an active ingredient.
대표청구항▼
1. A purification catalyst for a reflow furnace gas, containing: a component A: zeolite; anda component B: one or more compounds selected from a group of inorganic oxides consisting of alumina, silica gel, and titania, at a component A: component B weight ratio of 99:1 to 10:90;a component C: at lea
1. A purification catalyst for a reflow furnace gas, containing: a component A: zeolite; anda component B: one or more compounds selected from a group of inorganic oxides consisting of alumina, silica gel, and titania, at a component A: component B weight ratio of 99:1 to 10:90;a component C: at least one precious metal in a proportion of 10 ppm by weight to 2% by weight based on a total weight of the component A and the component B; anda component D: at least one alkali metal in a proportion of 1 to 10% by weight based on a total weight of the component A, wherein component D is present on component B. 2. The purification catalyst for a reflow furnace gas according to claim 1, wherein the component A: component B weight ratio is 90:10 to 20:80. 3. The purification catalyst for a reflow furnace gas according to claim 1, wherein the component B comprises particles having the at least one precious metal carried thereon. 4. The purification catalyst for a reflow furnace gas according to claim 2, wherein the component B comprises particles having the at least one precious metal carried thereon. 5. The purification catalyst for a reflow furnace gas according to claim 1, wherein the at least one alkali metal is present in a proportion of 2 to 8% by weight of the alkali metal based on a total weight of the component A. 6. The purification catalyst for a reflow furnace gas according to claim 1, wherein the at least one alkali metal is present in a proportion of 3 to 6% by weight of the alkali metal based on a total weight of the component A. 7. The purification catalyst for a reflow furnace gas according to claim 1, wherein the at least one alkali metal is sodium. 8. The purification catalyst for a reflow furnace gas according to claim 1, wherein the at least one alkali metal is selected from the group consisting of sodium and potassium. 9. A purification catalyst for a reflow furnace gas, containing: a component A: zeolite; anda component B: one or more compounds selected from a group of inorganic oxides consisting of alumina, silica gel, and titania, at a component A: component B weight ratio of 99:1 to 10:90;a component C: at least one precious metal in a proportion of 10 ppm by weight to 2% by weight based on a total weight of the component A and the component B; anda component D: potassium in a proportion of 1 to 10% by weight based on a total weight of the component A, wherein component D is present on component B. 10. The purification catalyst for a reflow furnace gas according to claim 9, wherein the component A: component B weight ratio is 90:10 to 20:80. 11. The purification catalyst for a reflow furnace gas according to claim 9, wherein the component B comprises particles having the at least one precious metal carried thereon. 12. The purification catalyst for a reflow furnace gas according to claim 10, wherein the component B comprises particles having the at least one precious metal carried thereon. 13. The purification catalyst for a reflow furnace gas according to claim 9, wherein the potassium is present in a proportion of 2 to 8% by weight of the potassium based on a total weight of the component A. 14. The purification catalyst for a reflow furnace gas according to claim 9, wherein the potassium is present in a proportion of 3 to 6% by weight of the potassium based on a total weight of the component A. 15. The purification catalyst for a reflow furnace gas according to claim 1, wherein component A is selected from the group consisting of Y type zeolite, MFI type zeolite, β type zeolite, and mordenite. 16. The purification catalyst for a reflow furnace gas according to claim 1, wherein component C is selected from the group consisting of platinum, palladium, rhodium, iridium, and ruthenium. 17. The purification catalyst for a reflow furnace gas according to claim 9, wherein component A is selected from the group consisting of Y type zeolite, MFI type zeolite, β type zeolite, and mordenite. 18. The purification catalyst for a reflow furnace gas according to claim 9, wherein component C is selected from the group consisting of platinum, palladium, rhodium, iridium, and ruthenium.
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이 특허에 인용된 특허 (5)
Dautenhahn, Jon M., Filtration of flux contaminants.
Lachman Irwin M. (Corning NY) Patil Mallanagouda D. (Corning NY) Socha ; Jr. Louis S. (Painted Post NY) Swaroop Srinivas H. (Painted Post NY) Wusirika Raja R. (Painted Post NY), Process for removal of hydrocarbons carbon manoxide, and oxides of nitrogen from oxygen-containing waste gas using molec.
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