CN103360061B - Preparation method of antibacterial zirconia ceramic knife raw-material powder - Google Patents
Preparation method of antibacterial zirconia ceramic knife raw-material powder Download PDFInfo
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Abstract
The invention discloses a preparation method of antibacterial zirconia ceramic knife raw-material powder The preparation method is characterized in that: 1 part by weight of a base material, 0.001-0.05 part by weight of a bactericide and 0.001-0.05 part by weight of a surfactant are prepared; the base material is a composition of zirconium oxychloride and yttrium nitrate, and the molar ratio of zirconium oxychloride to yttrium nitrate is 97:3; the bactericide is a composition of silver nitrate, palladium chloride, copper sulfate and zinc chloride, and the weight ratio of silver nitrate to palladium chloride to copper sulfate to zinc chloride is 1:0.02-0.1:0.8-3.5:0.5-2.7; and the surfactant is a composition of peregal and coconut diethanolamide, and the weight ratio of peregal to coconut diethanolamide is 1:0.3-1.6. The antibacterial zirconia ceramic knife raw-material powder contains antibacterial metal ions, and has the advantages of wide spectrum, high efficiency, safety, and durableness to bacteria.
Description
Technical field
The present invention relates to a kind of zirconia ceramics cutter material powder, specifically relate to a kind of preparation method of antibacterial zirconia ceramics cutter material powder.
Background technology
Along with scientific and technical development and the raising of living standards of the people, people more and more pay attention to the sanitary condition of life and living environment, and more pay attention to as the apparatus directly contacting with food.Compared with plain metal cutter, zirconia ceramics cutter has the feature that hardness is high, wear resistance good, sharpness is high, more and more becomes the knife for kitchen of consumers in general's first-selection.As knife for kitchen, owing to contacting with food everyday, particularly prepared food, easily becomes the hotbed of bacteria breed.Be subject to the Stupalox of bacterial contamination to carry out cutting food and use, have food safety hidden danger.
The conventional preparation method of zirconia ceramics cutter is for first making Stupalox material powder, and material powder carries out moulding again, sintering is made zirconia ceramics cutter.The performance of Stupalox material powder has determined the characteristic of Stupalox finished product.
Summary of the invention
The preparation method who the invention provides a kind of antibacterial zirconia ceramics cutter material powder, this raw material powder has antibacterial.
A preparation method for antibacterial zirconia ceramics cutter material powder, carries out according to the following steps:
(1) prepare by ratio of weight and the number of copies 1 part of base-material, 0.001～0.05 part, sterilant, 0.001～0.05 part, tensio-active agent; Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3; Described sterilant is the composition of Silver Nitrate, Palladous chloride, copper sulfate, zinc chloride, and the weight ratio of Silver Nitrate, Palladous chloride, copper sulfate, zinc chloride is 1:0.02～0.1:0.8～3.5:0.5～2.7; Described tensio-active agent is the composition of peregal and coconut acid diethanolamide, and the weight ratio of peregal and coconut acid diethanolamide is 1:0.3～1.6;
(2) to be mixed with mass percentage concentration be 40% mixing solutions for described base-material and deionized water, obtains solution A; It is 15% mixing solutions that described sterilant and deionized water are mixed with mass percentage concentration, obtains solution B; The urea soln that preparation mass percentage concentration is 10%, obtains solution C; Peregal adds in deionized water, and stirring and being mixed with mass percentage concentration is 8% solution, obtains solution D; Coconut acid diglycollic amide adds in deionized water, and stirring and being mixed with mass percentage concentration is 15% solution, obtains solution E;
(3) deionized water is added in the reactor with anchor stirrer, the water adding is submergence stirrer bottom just, starts agitator and starts to stir, and the rotating speed of agitator is 350～700r/s; Add solution D, solution E, then stir after half an hour, then drip solution A simultaneously, solution B, solution C, and stir, start reaction, add speed control PH=8.3～9.2 by regulator solution C in reaction process; After reaction finishes, then to stir half an hour, and regulate PH=8.3～9.2, washing is processed, and filters; Dry calcining; Calcining temperature is 800～1100 DEG C, and soaking time is 3～5 hours, finally pulverizes.
Preferably, a kind of preparation method of antibacterial zirconia ceramics cutter material powder, carries out according to the following steps:
(1) prepare by ratio of weight and the number of copies 1 part of base-material, 0.002 part, sterilant, 0.001 part, tensio-active agent; Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3; Described sterilant is the composition of Silver Nitrate, Palladous chloride, copper sulfate, zinc chloride, and the weight ratio of Silver Nitrate, Palladous chloride, copper sulfate, zinc chloride is 1:0.02:1.2:0.8; Described tensio-active agent is the composition of peregal and coconut acid diethanolamide, and the weight ratio of peregal and coconut acid diethanolamide is 1:0.5;
(2) to be mixed with mass percentage concentration be 40% mixing solutions for base-material and deionized water, obtains solution A; It is 15% mixing solutions that sterilant and deionized water are mixed with mass percentage concentration, obtains solution B; The urea soln that preparation mass percentage concentration is 10%, obtains solution C; Peregal adds in deionized water, and stirring and being mixed with mass percentage concentration is 8% solution, obtains solution D; Coconut acid diglycollic amide adds in deionized water, and stirring and being mixed with mass percentage concentration is 15% solution, obtains solution E;
(3) deionized water is added in the reactor with anchor stirrer, the water adding is submergence stirrer bottom just, starts agitator and starts to stir, and the rotating speed of agitator is 500r/s; Add solution D, solution E, then stir after half an hour, then drip solution A simultaneously, solution B, solution C, and stir, start reaction, add speed control PH=8.3 by regulator solution C in reaction process; After reaction finishes, then to stir half an hour, and regulate PH=8.3, washing is processed, and filters; Dry calcining; Calcining temperature is 800 DEG C, and soaking time is 5 hours, finally pulverizes.
Described washing is treated to and is washed to mass percentage concentration is that 0.1% silver nitrate solution detects without chlorion.
Adopt after technique scheme, the present invention is compared with existing background technology, and tool has the following advantages:
1, the metal ion (silver ions, palladium ion, cupric ion, zine ion) that zirconia ceramics cutter raw material powder of the present invention contains antibacterial ability, has advantages of wide spectrum, efficient, safe, durable to bacterium.
2, there is antibacterial with the Stupalox that raw material powder of the present invention is made; can effectively support antibacterial growing, protect food not contaminated cutting in food process, care household health; can be used as especially the best cutter using after the baby weans, protection pablum is not contaminated.
Embodiment
Some embodiments of the present invention are below provided, understand the present invention to help further, but protection scope of the present invention are not limited in these embodiment.
Embodiment 1
A preparation method for antibacterial zirconia ceramics cutter material powder, carries out according to the following steps:
(1) prepare by ratio of weight and the number of copies 1 part of base-material, 0.002 part, sterilant, 0.001 part, tensio-active agent; Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3; Described sterilant is the composition of Silver Nitrate, Palladous chloride, copper sulfate, zinc chloride, and the weight ratio of Silver Nitrate, Palladous chloride, copper sulfate, zinc chloride is 1:0.02:1.2:0.8; Described tensio-active agent is the composition of peregal and coconut acid diethanolamide, and the weight ratio of peregal and coconut acid diethanolamide is 1:0.5;
(2) to be mixed with mass percentage concentration be 40% mixing solutions for base-material and deionized water, obtains solution A; It is 15% mixing solutions that sterilant and deionized water are mixed with mass percentage concentration, obtains solution B; The urea soln that preparation mass percentage concentration is 10%, obtains solution C; Peregal adds in deionized water, and stirring and being mixed with mass percentage concentration is 8% solution, obtains solution D; Coconut acid diglycollic amide adds in deionized water, and stirring and being mixed with mass percentage concentration is 15% solution, obtains solution E;
(3) deionized water is added in the reactor with anchor stirrer, the water adding is submergence stirrer bottom just, starts agitator and starts to stir, and the rotating speed of agitator is 500r/s; Add solution D, solution E, then stir after half an hour, then drip solution A simultaneously, solution B, solution C, and stir, start reaction, add speed control PH=8.3 by regulator solution C in reaction process; After reaction finishes, then stir half an hour, and regulate PH=8.3, be washed to mass percentage concentration and be 0.1% silver nitrate solution and detects without chlorion, filtration; Dry calcining; Calcining temperature is 800 DEG C, and soaking time is 5 hours, finally pulverizes.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: the weight ratio of Silver Nitrate, Palladous chloride, copper sulfate, zinc chloride is 1:0.02:3.5:0.5.
Embodiment 3
The difference of the present embodiment and embodiment 1 is: the weight ratio of Silver Nitrate, Palladous chloride, copper sulfate, zinc chloride is 1:0.1:0.8:2.7.
Embodiment 4
The difference of the present embodiment and embodiment 1 is: the weight ratio of Silver Nitrate, Palladous chloride, copper sulfate, zinc chloride is 1:0.05:1.8:1.
Embodiment 5
The difference of the present embodiment and embodiment 1 is: the ratio of weight and number 1:0.028 of base-material and sterilant.
Embodiment 6
The difference of the present embodiment and embodiment 1 is: the ratio of weight and number 1:0.05 of base-material and sterilant.
Embodiment 7
The difference of the present embodiment and embodiment 1 is: the ratio of weight and number of base-material and tensio-active agent is 1:0.005.
Embodiment 8
The difference of the present embodiment and embodiment 1 is: the ratio of weight and number of base-material and tensio-active agent is 1:0.02.
Embodiment 9
The difference of the present embodiment and embodiment 1 is: the ratio of weight and number of base-material and tensio-active agent is 1:0.05.
Embodiment 10
The difference of the present embodiment and embodiment 1 is: the weight ratio of peregal and coconut acid diethanolamide is 1:1.2.
Embodiment 11
The difference of the present embodiment and embodiment 1 is: the weight ratio of peregal and coconut acid diethanolamide is 1:1.6.
Embodiment 12
The difference of the present embodiment and embodiment 1 is: step (3) is: deionized water is added in the reactor with anchor stirrer, and the water adding is submergence stirrer bottom just, starts agitator and starts to stir, and the rotating speed of agitator is 350r/s; Add solution D, solution E, then stir after half an hour, then drip solution A simultaneously, solution B, solution C, and stir, start reaction, add speed control PH=9.0 by regulator solution C in reaction process; After reaction finishes, then to stir half an hour, and regulate PH=9.0, washing is processed, and filters; Dry calcining; Calcining temperature is 1000 DEG C, and soaking time is 4 hours, finally pulverizes.
Embodiment 13
The difference of the present embodiment and embodiment 1 is: the difference of the present embodiment and embodiment 1 is: step (3) is: deionized water is added in the reactor with anchor stirrer, the water adding is submergence stirrer bottom just, start agitator and start to stir, the rotating speed of agitator is 700r/s; Add solution D, solution E, then stir after half an hour, then drip solution A simultaneously, solution B, solution C, and stir, start reaction, add speed control PH=9.2 by regulator solution C in reaction process; After reaction finishes, then to stir half an hour, and regulate PH=9.2, washing is processed, and filters; Dry calcining; Calcining temperature is 1100 DEG C, and soaking time is 3 hours, finally pulverizes.
Anti-microbial property test:
The material powder of the present invention that embodiment 1-13 is obtained is by the conventional Stupalox preparation method in this area, make 30 × 30mm test film, it is aseptic that test film keeps, inoculate respectively certain density intestinal bacteria and streptococcus aureus bacterium liquid, at 35 DEG C, cultivate 24 hours, measure intestinal bacteria after cultivating and the bacterium number of streptococcus aureus, contact the bacterial count of 24 hours front and back with experiment slice by bacterium, the antibiotic rate of calculating to bacterium.Experimental result is listed in table 1.
Table 1 antibacterial effect table
Experimental result shows, ceramic tip antibiotic rate >=92% that material powder of the present invention is made, has higher sterilizing rate to common bacteria.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (3)
1. a preparation method for antibacterial zirconia ceramics cutter material powder, is characterized in that: carry out according to the following steps:
(1) prepare by ratio of weight and the number of copies 1 part of base-material, 0.001～0.05 part, sterilant, 0.001～0.05 part, tensio-active agent; Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3; Described sterilant is the composition of Silver Nitrate, Palladous chloride, copper sulfate, zinc chloride, and the weight ratio of Silver Nitrate, Palladous chloride, copper sulfate, zinc chloride is 1:0.02～0.1:0.8～3.5:0.5～2.7; Described tensio-active agent is the composition of peregal and coconut acid diethanolamide, and the weight ratio of peregal and coconut acid diethanolamide is 1:0.3～1.6;
(2) to be mixed with mass percentage concentration be 40% mixing solutions for described base-material and deionized water, obtains solution A; It is 15% mixing solutions that described sterilant and deionized water are mixed with mass percentage concentration, obtains solution B; The urea soln that preparation mass percentage concentration is 10%, obtains solution C; Peregal adds in deionized water, and stirring and being mixed with mass percentage concentration is 8% solution, obtains solution D; Coconut acid diglycollic amide adds in deionized water, and stirring and being mixed with mass percentage concentration is 15% solution, obtains solution E;
(3) deionized water is added in the reactor with anchor stirrer, the water adding is submergence stirrer bottom just, starts agitator and starts to stir, and the rotating speed of agitator is 350～700r/s; Add solution D, solution E, then stir after half an hour, then drip solution A simultaneously, solution B, solution C, and stir, start reaction, add speed control PH=8.3～9.2 by regulator solution C in reaction process; After reaction finishes, then to stir half an hour, and regulate PH=8.3～9.2, washing is processed, and filters; Dry calcining; Calcining temperature is 800～1100 DEG C, and soaking time is 3～5 hours, finally pulverizes.
2. the preparation method of a kind of antibacterial zirconia ceramics cutter material powder according to claim 1, is characterized in that: carry out according to the following steps:
(1) prepare by ratio of weight and the number of copies 1 part of base-material, 0.002 part, sterilant, 0.001 part, tensio-active agent; Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3; Described sterilant is the composition of Silver Nitrate, Palladous chloride, copper sulfate, zinc chloride, and the weight ratio of Silver Nitrate, Palladous chloride, copper sulfate, zinc chloride is 1:0.02:1.2:0.8; Described tensio-active agent is the composition of peregal and coconut acid diethanolamide, and the weight ratio of peregal and coconut acid diethanolamide is 1:0.5;
(2) to be mixed with mass percentage concentration be 40% mixing solutions for described base-material and deionized water, obtains solution A; It is 15% mixing solutions that described sterilant and deionized water are mixed with mass percentage concentration, obtains solution B; The urea soln that preparation mass percentage concentration is 10%, obtains solution C; Peregal adds in deionized water, and stirring and being mixed with mass percentage concentration is 8% solution, obtains solution D; Coconut acid diglycollic amide adds in deionized water, and stirring and being mixed with mass percentage concentration is 15% solution, obtains solution E;
(3) deionized water is added in the reactor with anchor stirrer, the water adding is submergence stirrer bottom just, starts agitator and starts to stir, and the rotating speed of agitator is 500r/s; Add solution D, solution E, then stir after half an hour, then drip solution A simultaneously, solution B, solution C, and stir, start reaction, add speed control PH=8.3 by regulator solution C in reaction process; After reaction finishes, then to stir half an hour, and regulate PH=8.3, washing is processed, and filters; Dry calcining; Calcining temperature is 800 DEG C, and soaking time is 5 hours, finally pulverizes.
3. the preparation method of a kind of antibacterial zirconia ceramics cutter material powder according to claim 1 and 2, is characterized in that: described washing is treated to and is washed to mass percentage concentration is that 0.1% silver nitrate solution detects without chlorion.
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