CN1535574A - Antibacterial white cabon black and its preparation method - Google Patents
Antibacterial white cabon black and its preparation method Download PDFInfo
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- CN1535574A CN1535574A CN03111358.3A CN03111358A CN1535574A CN 1535574 A CN1535574 A CN 1535574A CN 03111358 A CN03111358 A CN 03111358A CN 1535574 A CN1535574 A CN 1535574A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 42
- 230000000844 anti-bacterial effect Effects 0.000 title claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 9
- 239000006229 carbon black Substances 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 229910052709 silver Inorganic materials 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 5
- 230000003115 biocidal effect Effects 0.000 claims description 57
- 239000000243 solution Substances 0.000 claims description 43
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 42
- 235000019353 potassium silicate Nutrition 0.000 claims description 31
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 31
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 21
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 21
- 239000003513 alkali Substances 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 239000011701 zinc Substances 0.000 claims description 14
- 150000002500 ions Chemical class 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- 239000010936 titanium Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- 230000035484 reaction time Effects 0.000 claims description 7
- 239000000470 constituent Substances 0.000 claims description 6
- 230000002421 anti-septic effect Effects 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000010944 silver (metal) Substances 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 239000003599 detergent Substances 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 16
- 230000001954 sterilising effect Effects 0.000 abstract description 14
- 230000000845 anti-microbial effect Effects 0.000 abstract description 8
- 239000004599 antimicrobial Substances 0.000 abstract 1
- 229910021645 metal ion Inorganic materials 0.000 abstract 1
- 241000209094 Oryza Species 0.000 description 9
- 239000010903 husk Substances 0.000 description 9
- 235000007164 Oryza sativa Nutrition 0.000 description 8
- 235000009566 rice Nutrition 0.000 description 8
- 239000005060 rubber Substances 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229910017518 Cu Zn Inorganic materials 0.000 description 4
- 229910017752 Cu-Zn Inorganic materials 0.000 description 4
- 229910017943 Cu—Zn Inorganic materials 0.000 description 4
- 239000003242 anti bacterial agent Substances 0.000 description 4
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 241000588724 Escherichia coli Species 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000012744 reinforcing agent Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000001408 fungistatic effect Effects 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to an antimicrobial white carbon black and its preparation method. It uses white carbon black as base body, and contains one or two kinds of antimicrobial elements of Ag, Cu, Zn and Ti, and the antimicrobial element content is 0.02%-14 wt%, and its grain size is 0.3-20 micrometers. The preparation method of the antimicrobial white carbon black includes the following steps: (1). preparing raw material; (2). preparing antimicrobial metal ion solution; (3) mixing and making reaction; (4) washing and filtering; and (5) drying. The sterilizing rate of the antimicrobial white carbon black prepared by said invention can be up to 96-99.9%.
Description
Technical field the present invention relates to inorganic chemical industry additive and preparation method thereof, especially a kind of white carbon with anti-microbial property and preparation method thereof.
Background technology is present, and inorganic antiseptic and white carbon product and production technology have all reached higher level.That inorganic antiseptic is meant is big with surface area, good dispersion, materials such as zeolite, silica gel, active carbon or pottery that porosity is high are carrier, and silver, copper, zinc and titanium plasma are made the powder body material with antibacterial functions attached to carrier surface.Therefore but these antibacterial agents do not have reinforcing function because of it, can not join as reinforcing agent in the goods such as rubber.The production method of white carbon is also more, adds acid system, is preparation method of raw material etc. with plant rice husk, stalk etc. as traditional waterglass.Chinese patent ZL 93 1 12023.3 proposes is that the method for white carbon black of harmful element such as the not leaded and arsenic of feedstock production is more advanced production technology with the rice husk, has reduced the production cost of white carbon, has widened the application of white carbon.But this white carbon can only join in the goods such as rubber as the additive or the reinforcing agent of common goods, the needs of some goods with antibacterial functions of can not meeting the demands.
Summary of the invention the objective of the invention is can not have problem antibiotic, reinforcing function simultaneously at existing antibacterial agent and white carbon product, and provide a kind of and had antibiotic and the white carbon product reinforcement dual-use function, and the preparation method of product.
The prepared antibiotic white carbon of the present invention is to be matrix with the white carbon, wherein contains a kind of in antiseptic elements Ag, Cu, Zn and the Ti element or two kinds, and the antibacterial metal constituent content is 0.02%～14wt%, granularity 0.3～20um.
Above-mentioned antibiotic Preparative Method of White Carbon Black may further comprise the steps:
(1) feedstock production: get high-quality waterglass, be mixed with the water glass solution that concentration is 5～17wt%, compound concentration is the sodium bicarbonate alkali lye of 6～8wt% simultaneously;
(2) antibiotic solion preparation: compound concentration is the Cu of 0.05～0.10mol/L
2+Solution, concentration are the Ag of 0.05～0.10mol/L
+Solution, concentration are the Zn of 0.05～0.10mol/L
2+Solution, concentration are the Ti of 2.00～5.00mol/L
4+Solution;
(3) hybrid reaction: the ratio that earlier with the water glass solution of preparation and sodium bicarbonate solution is 1: 1.25～1: 1.5 is by volume mixed, or earlier be that 3: 1～4: 1 ratio is mixed by volume with the water glass solution of preparation and the mixed liquor that contains any one antibiotic ion solution or any two kinds of antibiotic solions of preparation, place reactor to be preheating to 70～100 ℃, elder generation's mixing water glass solution and sodium bicarbonate solution, be that 3: 1～4: 1 ratio is mixed by volume with the mixed liquor that contains any one antibiotic ion solution or any two kinds of antibiotic solions of preparation more then with mixed solution, elder generation's mixing water glass solution and antibiotic solion, be that 1: 1.25～1: 1.5 ratio is mixed by volume with the sodium bicarbonate solution of preparation more then with mixed solution, join then and carry out chemical reaction in the reactor, carrying out simultaneously speed change in course of reaction stirs, reaction time is 0.2～2.5h, can obtain containing single silver after the reaction, copper, zinc, titanium elements or contain the wherein colloidal solution of two kinds of elements;
(4) washing and filtering: with above-mentioned reacted colloidal solution with distilled water wash filter 23～5 times;
(5) drying: it is the antibiotic white carbon powder product of 0.3～20um that the product after the above-mentioned filtration was promptly got granularity in dry 1～3 hour down at 100～110 ℃.
The antibiotic white carbon powder product that contains Ag, Cu, Zn and Ti element that the present invention is prepared, in fields such as rubber, plastics, coating, fiber, film, paper and other commodity, except that normally playing the additive effect, antibacterial effect is remarkable.The quantitative experiment result who is undertaken by colony counting method shows: as the Ag that uses
+When concentration was increased to 0.07M from 0.01M, the content of this element increased to 1.80% from 0.80% in antibiotic white carbon, and its sterilizing rate can reach 99.9%.As the Cu that uses
2+When ion concentration was increased to 0.07M from 0.03M, this constituent content increased to 1.80% from 0.76% in antibiotic white carbon, and sterilizing rate can rise to 99.9% from 98.3%.Work as Zn
2+When concentration was increased to 2M from 0.5M, this constituent content rose to 17.5% from 4.3%, and sterilizing rate is increased to 99.9% from 98.7%.Work as Ti
4+When concentration changed to 0.08M from 0.03M, this antiseptic elements content rose to 1.54% from 0.57%, and sterilizing rate increases to 99.8% from 98.8%.Being applied in the rubber with the antibiotic white carbon product of prepared titaniferous is example, and rubber also has the antibiotic property function except that the every index that keeps original rubber.Can reach 96～98% according to coating method to the sterilizing rate that the rubber that contains titanium ion records.As contain the antibiotic white carbon product of other three kinds of ions of same amount, after joining it in rubber, its sterilizing rate can reach 98～99.9%.The raw materials used source of antibiotic in addition white carbon is sufficient, and preparation technology's flow process is simple, and low production cost has good stable.
Embodiment describes in further detail the present invention below by embodiment.
Embodiment 1
With rice husk waterglass and sodium bicarbonate alkali lye is primary raw material, carries out the preparation of antibiotic white carbon according to following step:
(1) preparation of raw material: it is 5～17wt% that the high-quality waterglass that rice husk is produced is mixed with concentration, and compound concentration is the sodium bicarbonate alkali lye of 6～8wt% simultaneously;
(2) preparation of antibiotic solion: preparation concentration is the CuSO of 0.05～0.10mol/L
4Solution;
(3) with the CuSO of waterglass raw material and preparation
4Solution mixes in 3: 1～4: 1 ratio, forms to contain Cu
2+The water glass solution of antibiotic ion;
(4) preheating before the reaction: will react the used Cu of containing
2+The water glass solution of antibiotic ion is preheating to 70～100 ℃;
(5) reaction is stirred: will contain Cu after the preheating
2+The water glass solution of antibiotic ion mixes in 1: 1.25～1: 1.5 ratio with sodium bicarbonate alkali lye, join in the reactor and react, carrying out speed change simultaneously stirs, rotating speed 200～800r/min, stir 5～30min, and then rotating speed is adjusted to 200～400r/min, continue to stir 0.1～2h, reaction time is 0.2～2.5 hour, prepares the colloidal solution that contains antibiotic ion;
(6) washing and filtering: with reacted colloidal solution with distilled water wash filter 23～5 times;
(7) drying process: the product after the above-mentioned filtration was promptly got antibiotic white carbon product down in dry 2 hours at 105 ℃.
By the antibiotic white carbon product of above-mentioned steps preparation, the DBP absorption value is about 2.5, nitrogen adsorption specific surface area 370m
2/ g, lead content is about 0.20mg/Kg, and arsenic content does not detect.Cu
2+The ionic antimicrobial product, the Cu constituent content can be from 0.76%～1.80%.Antibacterial around-France (claiming the Halo method again) general by microbiology shows the antibacterial experiment result that Escherichia coli carry out, to bacterial culture after 24 hours, be formed centrally the transparent chromosphere of certain width in all with the antibacterial agent sample being, showing has tangible fungistatic effect to Escherichia coli.The result who is detected by the colony count method shows that the sterilizing rate of the antibiotic white carbon of cupric can reach 99.9%.
Embodiment 2
With rice husk waterglass and sodium bicarbonate alkali lye is primary raw material, carries out the preparation of antibiotic white carbon according to following step:
(1) preparation of raw material: it is 7～15wt% that the high-quality waterglass that rice husk is produced is mixed with concentration, and compound concentration is the sodium bicarbonate alkali lye of 6～8wt% simultaneously;
(2) preparation of antibiotic solion: preparation concentration is 0.01～0.07mol/L ZnSO
4Solution; And adding detergent alkylate sodium sulfonate surfactant therein, the concentration of surfactant in antibiotic solion is 1.6 * 10
-3Mol/L.
(3) be that 1: 1.25～1: 1.5 ratio is mixed by volume with waterglass raw material and the sodium bicarbonate alkali lye of preparation;
(4) preheating before the reaction: reactor and waterglass raw material and sodium bicarbonate alkali lye are preheating to 70～100 ℃;
(5) heated and stirred: the mixed waterglass raw material of preheating and sodium bicarbonate alkali lye joined in the reactor react, carrying out speed change simultaneously stirs, rotating speed 200～800r/min, stir 5～30min, and then rotating speed adjusted to 200～400r/min, continue to stir 0.1～2h, the reaction time is 0.2～2.5 hour, prepares silicon dioxide gel liquid.Proceed to 60% o'clock of entire reaction process in the reaction time, will contain Zn
2+Antibiotic solion joins in the reaction system by 3: 1～4: 1 volume ratio;
(6) washing and filtering: with reacted colloidal solution with distilled water wash filter 23～5 times.Use washing with alcohol filter 23～5 time then;
(7) drying process: the product after the above-mentioned filtration was promptly got the antibiotic white carbon product that contains zinc element down in dry 2 hours at 105 ℃.
By the antibiotic white carbon product of above-mentioned steps preparation, the DBP absorption value is 2.6, nitrogen adsorption specific surface area 410m
2/ g.The content of Zn element in antibiotic white carbon can be from 0.76%～1.80%.Drawn by colony counting method, the sterilizing rate of the antibiotic white carbon product of this zinc type is greater than 99.9%.Draw through the particles distribution instrument test, the average grain diameter of this product is 300nm.Its sterilizing rate is as shown in the table with the relation of zinc ion content:
The relation of antibiotic ion concentration and sterilizing rate in the antibiotic white carbon
Zinc ion mass content % 3.06 3.20 3.39
Sterilizing rate (not adding DBS) % 84.8 86.6 88.6
Sterilizing rate (adding DBS) % 98.8 99.1 99.9
Embodiment 3
With rice husk waterglass and sodium bicarbonate alkali lye is primary raw material, carries out the preparation of antibiotic white carbon according to following step:
(1) preparation of raw material: it is 7～15wt% that the high-quality waterglass that rice husk is produced is mixed with concentration, and compound concentration is the sodium bicarbonate alkali lye of 6～8wt% simultaneously.
(2) preparation of antibiotic solion: preparation concentration is the ZnSO of 0.01～0.07mol/L
4And CuSO
4Solution is with the ZnSO of two kinds of same concentration
4And CuSO
4Mix stand-by in 1: 1 ratio;
(3) be that 1: 1.25～1: 1.5 ratio is mixed by volume with waterglass raw material and the sodium bicarbonate alkali lye of preparation;
(4) preheating before the reaction: reactor and waterglass raw material and sodium bicarbonate alkali lye waterglass raw material and sodium bicarbonate alkali lye are preheating to 70～100 ℃;
(5) heated and stirred: the mixed solution of preheating joined in the reactor react, carrying out speed change simultaneously stirs, rotating speed 200～800r/min, stir 5～30min, and then rotating speed adjusted to 200～400r/min, continue to stir 0.1～2h, the reaction time is 0.2～2.5 hour, prepares silicon dioxide gel liquid.Proceed to 60% o'clock of entire reaction process in the reaction time, with the above-mentioned Cu that has prepared
2+-Zn
2+The mixed liquor of antibiotic ion joins in the reaction system by 3: 1～4: 1 volume ratio;
(6) washing and filtering: with reacted colloidal solution with distilled water wash filter 23～5 times;
(7) drying process: the product after the above-mentioned filtration was descended dry 2 hours at 105 ℃, promptly get the antibiotic white carbon product that contains two kinds of element Cu-Zn simultaneously.
By the antibiotic white carbon product of above-mentioned steps system, the DBP absorption value is 2.6, nitrogen adsorption specific surface area 390m
2/ g.To Cu-Zn composite bactericidal product, the Cu-Zn constituent content can be from 0.76%～1.80%.Drawn by colony counting method, the sterilizing rate of the antibiotic white carbon product of this Cu-Zn elements compounding type is greater than 99.9%.Draw through the particles distribution instrument test, the average grain diameter of this product is 5 μ m.
The rice husk waterglass that uses in the above-mentioned example also can adopt the commercial water glass to carry out the preparation of antibacterial agent.
Claims (3)
1, a kind of antibiotic white carbon is characterized in that: antibiotic white carbon is to be matrix with the white carbon, wherein contains a kind of in antiseptic elements Ag, Cu, Zn and the Ti element or two kinds, and the antibacterial metal constituent content is 0.02%～14wt%, granularity 0.3～20um.
2, the described antibiotic Preparative Method of White Carbon Black of claim 1 is characterized in that this method may further comprise the steps:
(1) feedstock production: get high-quality waterglass, be mixed with the water glass solution that concentration is 5～17wt%, compound concentration is the sodium bicarbonate alkali lye of 6～8wt% simultaneously;
(2) antibiotic solion preparation: compound concentration is the Cu of 0.05～0.10mol/L
2+Solution, concentration are the Ag of 0.05～0.10mol/L
+Solution, concentration are the Zn of 0.05～0.10mol/L
2+Solution, concentration are the Ti of 2.00～5.00mol/L
4+Solution;
(3) hybrid reaction: the ratio that earlier with the water glass solution of preparation and sodium bicarbonate solution is 1: 1.25～1: 1.5 is by volume mixed, or earlier be that 3: 1～4: 1 ratio is mixed by volume with the water glass solution of preparation and the mixed liquor that contains any one antibiotic ion solution or any two kinds of antibiotic solions of preparation, place reactor to be preheating to 70～100 ℃, elder generation's mixing water glass solution and sodium bicarbonate solution, be that 3: 1～4: 1 ratio is mixed by volume with the mixed liquor that contains any one antibiotic ion solution or any two kinds of antibiotic solions of preparation more then with mixed solution, elder generation's mixing water glass solution and antibiotic solion, be that 1: 1.25～1: 1.5 ratio is mixed by volume with the sodium bicarbonate solution of preparation more then with mixed solution, join then and carry out chemical reaction in the reactor, carrying out simultaneously speed change in course of reaction stirs, reaction time is 0.2～2.5h, can obtain containing single silver after the reaction, copper, zinc, titanium elements or contain the wherein colloidal solution of two kinds of elements;
(4) washing and filtering: with above-mentioned reacted colloidal solution with distilled water wash filter 23～5 times;
(5) drying: it is the antibiotic white carbon powder product of 0.3～20um that the product after the above-mentioned filtration was promptly got granularity in dry 1～3 hour down at 100～110 ℃.
3, the described antibiotic Preparative Method of White Carbon Black of claim 2 is characterized in that adding detergent alkylate sodium sulfonate surfactant in the antibiotic solion, and the concentration of surfactant in antibiotic solion is 1.6 * 10
-3Mol/L.
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|---|---|---|---|
| CN03111358.3A CN1535574A (en) | 2003-04-04 | 2003-04-04 | Antibacterial white cabon black and its preparation method |
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|---|---|---|---|
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ID=34319727
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102630704A (en) * | 2012-03-26 | 2012-08-15 | 浙江建业化工股份有限公司 | Preparation method of hydrated sodium antibacterial agent |
| CN104817847A (en) * | 2015-05-06 | 2015-08-05 | 广州天赐高新材料股份有限公司 | Antibacterial organic silicone elastomer emulsion, preparation method and application thereof |
| CN107325591A (en) * | 2017-07-20 | 2017-11-07 | 安徽盛华管业有限公司 | A kind of preparation method of the high temperature resistant copper type antibacterial white cabon black of fire-fighting CPVC water pipes |
| CN107668032A (en) * | 2017-09-29 | 2018-02-09 | 唐山建华科技发展有限责任公司 | Antibacterial white cabon black composite and preparation method thereof |
| CN116326597A (en) * | 2023-03-28 | 2023-06-27 | 玉林师范学院 | Carbon black adsorption gallium nitrate antibacterial agent and preparation method and application thereof |
-
2003
- 2003-04-04 CN CN03111358.3A patent/CN1535574A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102630704A (en) * | 2012-03-26 | 2012-08-15 | 浙江建业化工股份有限公司 | Preparation method of hydrated sodium antibacterial agent |
| CN104817847A (en) * | 2015-05-06 | 2015-08-05 | 广州天赐高新材料股份有限公司 | Antibacterial organic silicone elastomer emulsion, preparation method and application thereof |
| CN104817847B (en) * | 2015-05-06 | 2018-08-17 | 广州天赐高新材料股份有限公司 | A kind of antimicrobial organosilane elastomer emulsions and the preparation method and application thereof |
| CN107325591A (en) * | 2017-07-20 | 2017-11-07 | 安徽盛华管业有限公司 | A kind of preparation method of the high temperature resistant copper type antibacterial white cabon black of fire-fighting CPVC water pipes |
| CN107668032A (en) * | 2017-09-29 | 2018-02-09 | 唐山建华科技发展有限责任公司 | Antibacterial white cabon black composite and preparation method thereof |
| CN116326597A (en) * | 2023-03-28 | 2023-06-27 | 玉林师范学院 | Carbon black adsorption gallium nitrate antibacterial agent and preparation method and application thereof |
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