CN1271523A - Inorganic antibacterial agent and preparing process thereof - Google Patents
Inorganic antibacterial agent and preparing process thereof Download PDFInfo
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- CN1271523A CN1271523A CN 00109397 CN00109397A CN1271523A CN 1271523 A CN1271523 A CN 1271523A CN 00109397 CN00109397 CN 00109397 CN 00109397 A CN00109397 A CN 00109397A CN 1271523 A CN1271523 A CN 1271523A
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- vermiculite
- copper
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- micro mist
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Abstract
A copper-vermiculite disinfectant for domestic electric appliances, public facilities, paint, wood, plastics, ceramics, stationeries and toys is prepared by transplating the antibacterial Cu ions between vermiculite layers. The content of Cu element is 0.5-8.5%. Its advantages are simple preparation process and low cost.
Description
The present invention relates to a kind of inorganic antiseptic and preparation method thereof.
Inorganic antiseptic, be meant that mainly with mineral such as zeolite, calcium phosphate, diatomite, active carbon or ceramic material be carrier, implant or antibacterial metal ions such as lining silver, copper, zinc and the antibacterial agent made, and photocatalysis antibacterial agent such as titanium dioxide, it mainly acts on and is that they can in use suppress harmful microbe effectively and grow.Compare with organic antibacterial agent, inorganic antiseptic has very outstanding advantage at aspects such as antibiotic lasting effect, chemical stability, warm tolerance, safety, anti-pesticide resistance and broad spectrum activities, and is easy to processing.Therefore, the development and application of inorganic antiseptic for the antimicrobial treatment of various industrial and agricultural products, particularly daily living article with improve the human health environment, has important practical significance and vast market prospect.
Since the eighties, the Application and Development of inorganic antiseptic obtains various countries and payes attention to the demand rapid growth.But the inorganic antiseptic of having developed at present mainly is to be the antibacterial agent of antibacterial material with the silver ion, as zeolite with carrying silver, carry silver-colored glass, silver-loaded zirconium phosphate and argentum-carried hydroxylapatite, carry antibacterial agents such as silver chlorate titanium dioxide.Although the carrying silver antimicrobials antibacterial activity is very high, safety is fine, but silver ion is stable inadequately, and silver ion is reduced to argent under ultraviolet irradiation or after being heated to uniform temperature, thereby the anti-microbial property of goods is weakened, the painted blackening of product has reduced the commercial value of product.In addition, because silver-colored costing an arm and a leg, thereby this type of production cost of products is higher, has limited its application to a certain extent.
Although copper ion is being inferior to silver ion aspect the antibacterium performance, yet but have than the better anti-fungal property of silver ion, compare with silver simultaneously, its cost is cheaper, because its radius is little, the electricity price height is if be stated from it in ceramic material matrix again, to have the stability higher, thereby can overcome the above-mentioned shortcoming of silver-series antibacterial agent to a certain extent than silver ion.
Vermiculite is a kind of aluminium silicate mineral of moisture layer structure, and is nontoxic, tasteless, water insoluble, interlayer has hydrone and interchangeability cation, having very strong ionic adsorption, switching performance, is the ideal carrier of inorganic antiseptic, but is not used for the production field of antibacterial agent at present as yet.
The objective of the invention is to utilize the principle of ion exchange, antibiotic property ion Cu
2+Be implanted between vermiculite layers, anti-microbial property and the good ionic adsorption of vermiculite mineral that copper ion is had, performances such as exchange organically combine, providing a kind of is carrier with the vermiculite mineral, it with the copper ion copper-vermiculite composite inorganic antibacterial agent of antibacterial material and preparation method thereof, make this antibacterial agent have good stable, in use can suppress growing of noxious bacteria effectively, can be used for household electrical appliance, leather, coating, timber, plastics, film, pottery, paper, cosmetics, the antimicrobial treatment of cultural goods and toy etc., this method technological process is simple, production cost is low, is easy to promote, implement.
The present invention realizes by following manner.
This copper-vermiculite type inorganic antiseptic and preparation method thereof is to be primary raw material with vermiculite micro mist and copper chloride solution, adopts following step to carry out:
(1) preparation of vermiculite micro mist: the vermiculite ore is crushed to less than behind the 80 μ m, uses the airslide disintegrating mill dry pulverization process, make the micro mist that average grain diameter is 1-15 μ m, in 105 ℃ the oven dry 24 hours standby.
(2) CuCl
2The preparation of solution: with CuCl
22H
2O and distilled water weighing in 1: 40 by weight percentage～1: 124, mix, concussion shakes up, and makes the CuCl that concentration is 0.05-0.15M
2Solution;
(3) slip preparation: with vermiculite micro mist and above-mentioned CuCl
21: 40 by weight percentage ratio of solution is mixed, and makes slip, and with watery hydrochloric acid the pH value of slurry solution is adjusted to 2.5-3.5;
(4) heated and stirred: heating above-mentionedly will expect solution to 70-100 ℃ in mixing plant, and continuous stirring reacted 2.5-3.5 hour, make the suspension of cupric vermiculite;
(5) washing and filtering: the cupric vermiculite suspension after will stirring filters 10-15 time with the distilled water cyclic washing;
(6) drying steps: 105 ℃ of oven dry 2 hours, the gained finished product was copper-vermiculite antibacterial agent with the filter residue after the above-mentioned filtration.
The copper chloride solution of the present invention also copper sulphate or the copper nitrate solution of available equivalent substitutes.
Copper-vermiculite the antibacterial agent that makes by above-mentioned steps, the Cu constituent content can reach 0.5-8.5%, through adopting microbiology general antibacterial around-France (claiming the Halo method again) that Escherichia coli are carried out antibacterial test, after 24 hours, be formed centrally the transparent chromosphere (being antibacterial ring) of certain width in all with the antibacterial agent sample being, showing has tangible fungistatic effect to colibacillus.
Copper-vermiculite antibacterial agent of making respectively 200 ℃ and 400 ℃ of roastings 3 hours, is compared with the copper-vermiculite before the roasting, and antibacterial effect does not have significant change, shows that this antibacterial agent has good heat-resistant stability.
Among the present invention, from the preparation of raw material, prepare burden, mix, washing and filtering all adopts common apparatus to carry out to each steps such as dryings.
In the used raw material of the present invention, vermiculite and copper chloride are commercially available universal industrial raw material, and suspension preparation and water for cleaning are distilled water.
Further describe the present invention with embodiment below.
Embodiment 1
With vermiculite micro mist and Copper dichloride dihydrate (CuCl
22H
2O) be primary raw material, carry out according to following step:
(1) preparation of vermiculite micro mist: the vermiculite ore is crushed to less than behind the 80 μ m, uses the airslide disintegrating mill dry pulverization process, make the micro mist of average grain diameter less than 15 μ m, in 105 ℃ the oven dry 24 hours standby.
(2) CuCl
2The preparation of solution: with CuCl
22H
2O and distilled water weighing in 1: 60 by weight percentage, mix, concussion shakes up, and makes the CuCl that concentration is 0.1M
2Solution;
(3) slip preparation: with vermiculite micro mist and above-mentioned CuCl
21: 40 by weight percentage ratio of solution is mixed, and makes slip, and with watery hydrochloric acid the pH value of slurry solution is adjusted to 3;
(4) heated and stirred: heating is above-mentioned in mixing plant will expect solution to 80 ℃, and continuous stirring reacted 3 hours, make the suspension of cupric vermiculite;
(5) washing and filtering: the cupric vermiculite suspension after will stirring filters 10-15 time with the distilled water cyclic washing;
(6) drying: 105 ℃ of oven dry 2 hours, the gained finished product was copper-vermiculite antibacterial agent with the filter residue after the above-mentioned filtration.
Copper-vermiculite the antibacterial agent that makes by above-mentioned steps, the Cu constituent content reaches 5.5%, through adopting microbiology general antibacterial around-France (claiming the Halo method again) that Escherichia coli are carried out antibacterial test, after 24 hours, be formed centrally the transparent chromosphere (being antibacterial ring) of certain width in all with sample being, showing has tangible fungistatic effect to colibacillus.
Copper-vermiculite antibacterial agent of making respectively 200 ℃ and 400 ℃ of roastings 3 hours, is compared with the copper-vermiculite before the roasting, and antibacterial effect does not have significant change, shows that this antibacterial agent has good heat-resistant stability.
The invention provides a kind of inorganic antiseptic and preparation method thereof.This antibacterial agent and preparation method thereof raw material sources are abundant, technological process is simple, production cost is low, has good stable, in use can suppress growing of noxious bacteria effectively, can be used for the antimicrobial treatment of household electrical appliance, public utility (as telephone set, microphone, mouse), coating, timber, plastics, film, pottery, paper, cosmetics, cultural goods and toy etc., easy to implement to promote.
Claims (3)
1, a kind of inorganic antiseptic, be to be primary raw material with vermiculite micro mist and copper chloride solution (also can adopt copper sulphate or copper nitrate solution), it is characterized in that: this inorganic antiseptic adopts copper-containing solution and vermiculite mineral micro mist to carry out ion exchange and makes, by weight percentage, in vermiculite mineral, the content of copper is 0.5-8.5%.
2, the preparation method of inorganic antiseptic according to claim 1 is characterized in that: the preparation of this inorganic antiseptic adopts following step to carry out:
(1) preparation of vermiculite micro mist: the vermiculite ore is crushed to less than behind the 80 μ m, uses the airslide disintegrating mill dry pulverization process, make the micro mist that average grain diameter is 1-15 μ m;
(2) CuCl
2The preparation of solution: with CuCl
22H
2O and distilled water weighing in 1: 40 by weight percentage～1: 124, mix, concussion shakes up, and makes the CuCl that concentration is 0.05-0.15M
2Solution;
(3) slip preparation: with vermiculite micro mist and above-mentioned CuCl
21: 40 by weight percentage ratio of solution is mixed, and makes slip, and with watery hydrochloric acid the pH value of slurry solution is adjusted to 2.5-3.5;
(4) heated and stirred: heating above-mentionedly will expect solution to 70-100 ℃ in mixing plant, and continuous stirring reacted 2.5-3.5 hour, make the suspension of cupric vermiculite;
(5) washing and filtering: the cupric vermiculite suspension after will stirring filters 10-15 time with the distilled water cyclic washing;
(6) drying steps: 105 ℃ of oven dry 2 hours, the gained finished product was copper-vermiculite antibacterial agent with the filter residue after the above-mentioned filtration.
3, according to the preparation method of the described inorganic antiseptic of claim 1-2, it is characterized in that: also available copper sulphate of copper chloride solution or copper nitrate solution substitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00109397 CN1271523A (en) | 2000-06-01 | 2000-06-01 | Inorganic antibacterial agent and preparing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00109397 CN1271523A (en) | 2000-06-01 | 2000-06-01 | Inorganic antibacterial agent and preparing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1271523A true CN1271523A (en) | 2000-11-01 |
Family
ID=4579613
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00109397 Pending CN1271523A (en) | 2000-06-01 | 2000-06-01 | Inorganic antibacterial agent and preparing process thereof |
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|---|---|
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011634B (en) * | 2007-01-22 | 2010-11-17 | 山东天邦童心玩具有限公司 | Antibiotic toy and its preparation method |
| CN105483887A (en) * | 2015-11-18 | 2016-04-13 | 安徽新虹纺织有限公司 | Preparation method of antibacterial blended yarn |
| CN111727793A (en) * | 2020-05-22 | 2020-10-02 | 贵州省亚热带作物研究所 | Stereoscopic cultivation method for crude drug tsaoko in karst mountain land |
| CN113512891A (en) * | 2021-05-17 | 2021-10-19 | 河南新野纺织股份有限公司 | Dyeing process of antibacterial magnetic knitted fabric |
| CN115039791A (en) * | 2022-07-13 | 2022-09-13 | 塔里木大学 | Vermiculite antibacterial functional material and preparation method thereof |
-
2000
- 2000-06-01 CN CN 00109397 patent/CN1271523A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011634B (en) * | 2007-01-22 | 2010-11-17 | 山东天邦童心玩具有限公司 | Antibiotic toy and its preparation method |
| CN105483887A (en) * | 2015-11-18 | 2016-04-13 | 安徽新虹纺织有限公司 | Preparation method of antibacterial blended yarn |
| CN105483887B (en) * | 2015-11-18 | 2017-06-27 | 安徽新虹纺织有限公司 | A kind of anti-bacterial blended yarn preparation method |
| CN111727793A (en) * | 2020-05-22 | 2020-10-02 | 贵州省亚热带作物研究所 | Stereoscopic cultivation method for crude drug tsaoko in karst mountain land |
| CN113512891A (en) * | 2021-05-17 | 2021-10-19 | 河南新野纺织股份有限公司 | Dyeing process of antibacterial magnetic knitted fabric |
| CN115039791A (en) * | 2022-07-13 | 2022-09-13 | 塔里木大学 | Vermiculite antibacterial functional material and preparation method thereof |
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