Highly concentrated, biocidally active compositions and aqueous mixtures and methods of making the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01N-059/00
A01N-025/00
A01N-025/02
A01N-025/22
A01N-041/06
A61L-002/18
C02F-001/76
출원번호
US-0439571
(2006-05-23)
등록번호
US-9452229
(2016-09-27)
발명자
/ 주소
Nalepa, Christopher J.
Azarnia, Farah D.
출원인 / 주소
ALBEMARLE CORPORATION
대리인 / 주소
Hoefling, Marcy M.
인용정보
피인용 횟수 :
0인용 특허 :
99
초록
The present invention relates to liquid mixtures and compositions having high bromine concentrations that find use as biocides and processes for preparing them.
대표청구항▼
1. An aqueous composition formed from components comprising: i) (A) sulfamic acid, and at least two metal bases, which are sodium hydroxide and potassium hydroxide, or sodium hydroxide and lithium hydroxide, or sodium hydroxide, potassium hydroxide, and lithium hydroxide; wherein when the bases are
1. An aqueous composition formed from components comprising: i) (A) sulfamic acid, and at least two metal bases, which are sodium hydroxide and potassium hydroxide, or sodium hydroxide and lithium hydroxide, or sodium hydroxide, potassium hydroxide, and lithium hydroxide; wherein when the bases are sodium hydroxide and potassium hydroxide, potassium hydroxide is about 10 mol % or more of the total amount of the at least two metal bases, wherein when the bases are sodium hydroxide and lithium hydroxide, lithium hydroxide is about 20 mol % or more of the total amount of the at least two metal bases, and wherein when the bases are sodium hydroxide, potassium hydroxide, and lithium hydroxide, potassium hydroxide is about 10 mol % or more of the total amount of the at least two metal bases and lithium hydroxide is about 10 mol % or more of the total amount of the at least two metal bases; or (B) (a) at least one metal salt of sulfamic acid, and (b) at least one metal hydroxide, wherein the metal salt of sulfamic acid (a) has a metal cation, the metal hydroxide (b) has a metal cation that is different from the metal cation of the metal salt of sulfamic acid (a), the metal cations being selected from sodium and potassium, or from sodium and lithium, or from sodium, potassium, and lithium, wherein potassium, when present, is about 10 mol % or more of the total amount of the metal cations (a) and (b), wherein when the metal cations are sodium and lithium, lithium is about 20 mol % or more of the total amount of the metal cations of (a) and (b), and wherein when the metal cations are sodium, potassium, and lithium, lithium is about 10 mol% or more of the total amount of the metal cations of (a) and (b);ii) BrCl; andiii) water;wherein said composition has an active bromine content of between about 148,000 ppm (wt./wt.) and 151,000 ppm (wt./wt.) as BrCl, an atomic ratio of nitrogen to active bromine greater than 1, a pH of at least 7, and a freezing point temperature lower than about 0° C. 2. The composition according to claim 1 wherein said composition has a pH in the range of from about 10 to about 14. 3. The composition according to claim 1 wherein said composition has a pH in the range of from about 12 to about 14. 4. The composition according to claim 1 wherein said composition has a pH in the range of from about 12.5 to about 14. 5. The composition according to claim 3 wherein the atomic ratio of nitrogen to active bromine is in the range of about 1.05 to about 1.4. 6. The composition according to claim 4 wherein the atomic ratio of nitrogen to active bromine is in the range of from about 1.1 to about 1.3. 7. The composition according to any of claims 2-3 wherein the freezing point temperature of the composition is lower than about −5° C. 8. The composition according to claim wherein the freezing point temperature of the composition is in the range of from about −5° C. to about −15° C. 9. A method for disinfecting comprising applying a composition or partially diluted composition according to claim 2 to a surface. 10. The method according to claim 9 wherein said surface is selected from the group consisting of metal surfaces, human skin, wood surfaces, glass surfaces, and fiberglass surfaces, and wherein said composition is applied to said surface by a method selected from the group consisting of pouring directly onto the surface, spraying onto the surface, and pouring, spraying or soaking onto an applicator, which is then brought into contact with the surface. 11. The method according to claim 10 wherein said applicator is selected from the group consisting of cloths, sponges, paper towels, and mops. 12. A method of treating a body of water comprising introducing a concentrated, or partially diluted composition according to claim 2 into a body of water. 13. The method according to claim 12 wherein the addition of the composition to the body of water yields a concentration of the composition in the body of water in the range of from about 0.1 to about 10 mg per liter of total available halogen, expressed as Cl2. 14. The method according to claim 12 wherein the addition of the composition to the body of water yields a concentration of the composition in the body of water in the range of from about 0.2 to about 4 mg per liter of total available halogen, expressed as Cl2. 15. A process comprising: A) mixing, in the presence of water, i) sulfamic acid,ii) at least two metal bases; which are sodium hydroxide and potassium hydroxide, or sodium hydroxide and lithium hydroxide, or sodium hydroxide, potassium hydroxide, and lithium hydroxide;wherein when the bases are sodium hydroxide and potassium hydroxide, potassium hydroxide is about 10 mol % or more of the total amount of the at least two metal bases, wherein when the bases are sodium hydroxide and lithium hydroxide, lithium hydroxide is about 20 mol % or more or the total amount of the at least two metal bases, and wherein when the bases are sodium hydroxide, potassium hydroxide, and lithium hydroxide, potassium hydroxide is about 10 mol % or more of the total amount of the at least two metal bases and lithium hydroxide is about 10 mol % or more of the total amount of the at least two metal bases; andiii) a Br+ source and a Cl+ source,wherein component i) is first mixed with water, and the at least two metal bases ii) are then mixed into the water containing the sulfamic acid, and component iii) is then introduced, thereby forming an aqueous mixture comprising at least soluble and insoluble metal halide salts; andB) removing at least a portion of said insoluble metal halide salts from said aqueous mixture,wherein i), ii), and iii) are mixed in proportions such that the aqueous mixture comprises predominantly at least two metal salts of a) bromo sulfamate; b) chloro sulfamate; c) halides; d) sulfamates; and e) hydroxides; and said aqueous mixture has an active bromine content of between about 148,000 ppm (wt./wt.) and 151,000 ppm (wt./wt.) as BrCl, an atomic ratio of nitrogen to active bromine greater than 1, a pH of at least 7, and a freezing point temperature lower than about 0° C. 16. The process according to claim 15 wherein said Br+ source is selected from the group consisting of bromine, bromine chloride, hypobromous acid, hypobromite ion, hydrogen tribromide, tribromide ion, and N-brominated compounds. 17. The process according to claim 16 wherein said Cl+ source is selected from the group consisting of elemental chlorine (Cl2), hypochlorite compounds, and N-chlorinated compounds. 18. The process according to claim 17 wherein the atomic ratio of nitrogen to active bromine of said aqueous mixture is in the range of from about 1.1 to about 1.3. 19. The process according to claim 15 wherein iii) is BrCl. 20. The process according to claim 19 wherein the atomic ratio of nitrogen to active bromine of said aqueous mixture is in the range of about 1.05 to about 1.4. 21. The process according to claim 19 wherein the freezing point temperature of said aqueous mixture is lower than about −5° C. 22. The process according to claim 15 wherein the freezing point temperature of said aqueous mixture is in the range of from about −5° C. to about −15° C. 23. A process comprising: A) mixing, in the presence of water, i) at least one metal salt of sulfamic acid;ii) at least one metal hydroxide; andiii) a Br+ source and a Cl+ source,thereby forming an aqueous mixture comprising at least soluble and insoluble metal halide salts; andB) removing at least a portion of said insoluble metal halide salts from said aqueous mixture,wherein the metal salt of sulfamic acid i) has a metal cation, the metal hydroxide ii) has a metal cation that is different from the metal cation of the metal salt of sulfamic acid i), the metal cations of i) and ii) being selected from sodium and potassium, or from sodium and lithium, or from sodium, potassium, and lithium, and i), ii), and iii) are mixed in proportions such that the aqueous mixture comprises predominantly at least two metal salts of a) bromo sulfamate; b) chloro sulfamate: c) halides; d) sulfamates; and e) hydroxides;wherein when the metal cations are sodium and potassium, potassium is at least about 10 mol % or more of the total amount of the metal cations of i) and ii), wherein when the metal cations are sodium and lithium, lithium is about 20 mol % or more of the total amount of the metal cations of i) and ii), and wherein when the metal cations are sodium, potassium, and lithium, lithium is about 10 mol % or more of the total amount of the metal cations of i) and ii); andwherein said aqueous mixture has an active bromine content of between about 148,000 ppm (wt./wt.) and 151,000 ppm (wt./wt.) as BrCl, an atomic ratio of nitrogen to active bromine greater than 1, a pH of at least 7, and a freezing point temperature lower than about 0° C. 24. The process according to claim 23 wherein said Br+ source is selected from the group consisting of bromine, bromine chloride, hypobromous acid, hypobromite ion, hydrogen tribromide, tribromide ion, and N-brominated compounds. 25. The process according to claim 24 wherein said Cl+ source is selected from the group consisting of elemental chlorine (Cl2), hypochlorite compounds, and N-chlorinated compounds. 26. The process according to any of claim 17 or 25 wherein said hypochlorite source is sodium hypochlorite solution, lithium hypochlorite, or calcium hypochlorite, and wherein said N-chlorinated compounds is trichloroisocyanuric acid or sodium dichloroisocyanurate. 27. The process according to claim 24 wherein iii) is BrCl. 28. The process according to claim 27 wherein said at least one metal hydroxide is sodium hydroxide and potassium hydroxide.
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