CN102125054A - Antibacterial composition, antibacterial product and antibacterial method - Google Patents
Antibacterial composition, antibacterial product and antibacterial method Download PDFInfo
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- CN102125054A CN102125054A CN2010100006870A CN201010000687A CN102125054A CN 102125054 A CN102125054 A CN 102125054A CN 2010100006870 A CN2010100006870 A CN 2010100006870A CN 201010000687 A CN201010000687 A CN 201010000687A CN 102125054 A CN102125054 A CN 102125054A
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Abstract
The application discloses an antibacterial composition, an antibacterial product and an antibacterial method, wherein the antibacterial composition contains calcium hydroxides and boron elements, and the content of the boron elements in the antibacterial composition is more than 0.05%, preferably more than 0.2%. The invention also discloses the antibacterial product containing the antibacterial composition. The antibacterial product disclosed by the application is high in safety and low in preparation cost.
Description
Technical field
The application relates to bactericidal composition and contains the antibacterial product of bactericidal composition, and described bactericidal composition contains slaked lime and boron element.
Background technology
All the time, people have adopted the whole bag of tricks and combination thereof to give the plastic products antibiotic property.For example, the antibacterial product that had proposed to utilize the mineral-type antibacterial agent of organic class antibacterial agent, silver ion or zinc ion and used the natural antibacterial agent of natural components such as bio-extract or shitosan to obtain.
Wherein, organic antibacterial agent has the strong one side of antibiotic property.But in general, because its dissolution rate in goods is fast, thereby prepared goods lack the antibacterial effect that continues.And selected organic antibacterial agent is difficult to reach desirable antibacterial effect under the security requirement prerequisite meeting.
In addition, when the dissolubility of antibacterial agent in synthetic resin hanged down, can produce gonorrhoea or glossiness is descended and the appearance of stained its plastic products.
Utilize the inorganic antiseptic of silver ion or zinc ion, higher relatively because of its safety, can bring into play antibiotic property to the bacterium of wide spectrum, and be used in the various synthetic resin articles with multi-form.
But, in order to give resin, in the process of sneaking into, can cause that as the silver ion of antimicrobial component etc. the transparency of resin reduces, variable color to resin with the antibiotic property of such inorganic antiseptic, perhaps cause problems such as resin deterioration easily.In addition, if sneak into silver ion class antibacterial agent in whole resin, the antibacterial agent that then is present in moldings formed therefrom goods inside almost can not be brought into play antibiotic property.On the other hand, because inorganic antiseptic itself is not cheap yet, this problem with regard to causing producing cost to increase.
In order to address these problems, there is the people to propose the powder body inorganic antiseptic is dispersed in the ethanol equal solvent, by to moulding product surface spray, coating, or plating the surface coating that one deck contains this antibacterial agent gives the goods antibiotic property.And, all mainly take such method all the time, for example: patent publication No.: put down into the 6-80528 communique, patent publication No.: put down into the 8-283452 communique, and patent publication No.: it is disclosed to put down into the 11-12478 communique.
Though the above-mentioned inorganic antiseptic of silver ion or zinc ion that utilizes has than higher safety, but can not deny still having the possibility that is detrimental to health owing to chronic picked-up, and answer careful attention to use waste treatment problem afterwards (owing to burning the atmospheric pollution that is caused, the soil pollution of landfill, possibility of utilizing again etc.).
In addition, for carrying out plated film and the method for endowing antibacterial, if this product scar occurs or through after the long period, its antibiotic property can reduce unavoidably on the synthetic resin formed product surface.
In addition, the slaked lime that uses mainly as filler and stabilizing agent all the time, owing to have antibiotic property, also the someone proposes it is mixed into synthetic resin, to make the resin combination that contains slaked lime.But,, need to add a considerable amount of slaked limes (synthetic resin with respect to 100 mass parts need add more than 16 mass parts usually) for reaching the antibacterial effect of expectation.But the anxiety that can diminish the mechanical strength, appearance etc. of goods like this is (as patent publication No.: the 2001-123071 communique).
The application is based on above-mentioned situation, and for addressing the above problem the problem of carrying out, it provides antibiotic property resin and bactericidal composition safe, inexpensive, easy manufacturing.The application's resin can be because of not sneaking into the various characteristics (as mechanical property etc.) that reduces itself behind the described bactericidal composition.
Summary of the invention
The inventor has carried out wholwe-hearted research for addressing the above problem.The inventor unexpectedly finds, contains boron element 0.05 quality % bactericidal composition above, that with slaked lime be main component and has the excellent antibiotic performance.Simultaneously, with contain more than the boron element 0.05 quality %, be the bactericidal composition of the appropriate amount of main component with slaked lime, mix with thermoplastic resin or thermosetting resin, can obtain the extraordinary resin of antibacterial effect, and can not reduce physical propertys such as its mechanical strength.
Therefore, the application relates in one aspect to bactericidal composition, and it comprises slaked lime and boron element, and the content of described boron element accounts for the about more than 0.05% of described bactericidal composition gross mass, and is preferred about more than 0.2%.
The application relates to bactericidal composition on the other hand, and it makes by the following method: shell is calcined; Add entry in calcined product, making with slaked lime is the composition of main component; If desired, add boron element in prepared powder, it is about more than 0.05% to make the content of boron element account for described composition gross mass, preferred about more than 0.2%.
The application relates in one aspect to antibacterial product again, it comprises the bactericidal composition of the thermoplastic resin of about 100 mass parts and about 0.02-2.99 mass parts or comprises the thermosetting resin of about 100 mass parts and the bactericidal composition of about 0.1-5.0 mass parts, wherein said bactericidal composition, it comprises slaked lime and boron element, and the content of described boron element accounts for the about more than 0.05% of described bactericidal composition gross mass, preferred about more than 0.2%, perhaps described bactericidal composition makes by the following method: shell is calcined; Add entry in calcined product, making with slaked lime is the composition of main component; If desired, add boron element in prepared powder, it is about more than 0.05% to make the content of boron element account for described composition gross mass, preferred about more than 0.2%.
In above-mentioned bactericidal composition, the quality that the amount of boron element accounts for bactericidal composition can be about 0.05-10% usually, is preferably 0.2-8%, more preferably is 1-5%.Usually boron element exists with the boron oxide form in composition.
The application's others relate to antibiotic method, it comprises the above-mentioned bactericidal composition of the antibiotic goods of needs being used effective dose, described bactericidal composition comprises slaked lime and boron element, and the content of described boron element accounts for more than 0.05% of this bactericidal composition gross mass.
In some embodiment of the application, described bactericidal composition can be made into powder type, and preferably, described bactericidal composition is made the micro mist that average grain diameter is 0.5 μ m-10 μ m.The antibacterial product that contains this kind powder is comparatively satisfactory.
In some embodiment of the application's bactericidal composition, can contain iron, but iron content need account at below 0.8% of bactericidal composition gross mass, preferred below 0.4%.In some embodiment of the application, do not contain iron in the bactericidal composition that makes.
The bactericidal composition that is used for the application's antibacterial product, because of being main component with the slaked lime that uses as food additives, add the antibacterial agent that contains silver ion or zinc ion of usefulness with the plastics of main flow in the conventional method and compare, have the high and cheap characteristics of stability.
Even the addition of the bactericidal composition that adds in resin seldom, the application's antibacterial product also can be given full play to the desired higher antibiotic property effect of tableware, and does not destroy the mechanical property and the outward appearance thereof of resin.
In some embodiment of the application's antibacterial product, the bactericidal composition of use, particularly micronizing bactericidal composition evenly distribute in material, more highland performance antibiotic property effect.In the case, even product surface is scratched, its anti-microbial property can not reduce yet.
And the application's antibacterial product owing to used above-mentioned safe and cheap anti-biotic material, therefore can be used to comprise the various goods of commodity.The direct safe antibacterial product that directly contacts with hand or skin particularly can be provided, keyboard as computer etc., buttons such as the cabinet of various mechanical implements and remote controller, the tableware class, mess kit such as chopping board or metal bowl, toilet, bathroom/washroom be with flooring material or wall material, and other is as wall material of suspension ring or elevator etc.
Brief Description Of Drawings
Fig. 1 is for showing with containing colibacillary solution in test pieces 5) (the acrylic resin sheet that contains 2.99% bactericidal composition) (Fig. 1 (B)) and (undressed) test pieces (Fig. 1 (A)) of not containing bactericidal composition go up the result of cultivation after 24 hours photo.
Fig. 2 is for showing with containing the solution of staphylococcus aureus in test pieces 5) (the acrylic resin sheet that contains 2.99% bactericidal composition) (Fig. 2 (B)) and (undressed) test pieces (Fig. 2 (A)) of not containing bactericidal composition go up the result of cultivation after 24 hours photo.
Fig. 3 is for showing with containing the solution of Escherichia coli (O157:H7) in test pieces 5) (the acrylic resin sheet that contains 2.99% bactericidal composition) (Fig. 3 (B)) and (undressed) test pieces (Fig. 3 (A)) of not containing bactericidal composition go up the result of cultivation after 24 hours photo.
Describe in detail
The application's antibiotic goods comprise antibiotic composition and thermoplastic resin or the thermosetting resin that contains calcium hydroxide and boride.
Below with the specific embodiment and/or embodiment the application is described in detail.
Antibiotic composition (agent)
Being suitable for the calcium hydroxide in " antibiotic composition " (claim again " antiseptic " herein, unless have a talk about in addition brightly, both have identical implication) of the antibiotic goods of the application, is calcium hydroxide conventional in this area.
In some embodiment of the application, calcium hydroxide is by the known method of those skilled in the art, make calcium oxide such as calcining calcium carbonate after, rehydrated making.
In some embodiment of the application, can adopt the calcium in animality source as the source of calcium carbonate. The exemplary animality calcium source that can be used in the application includes but not limited to the shell of the shellfish of the natural or cultivation such as scallop shell, abalone shells, conch shell, surfing clam shell, sea urchin shell, or coral shell etc. is raw material. In some embodiment of the application, use scallop shell as the application's animality calcium source. Because scallop shell has the homogeneous of composition and supply foot, and uses these shell raw materials after calcining, does not need other to process, can directly with the product hydration of calcining gained, make the raw material of antibiotic composition.
In some embodiment of the application, shell powder (or graininess thing) is made in the shell pulverizing, at 800 ℃-1,200 ℃, calcine, can pass into carbon dioxide therebetween for preferred 850 ℃-1,000 ℃. Calcining both can be carried out in air, can carry out in the inert gases such as nitrogen again. Can set suitable calcination time according to calcining heat, but after being generally air themperature and arriving predetermined calcining heat 10 minutes-120 minutes, preferred 15 minutes-90 minutes. By such processing, can remove unwanted organic matter by thermal decomposition.
Hydration after the calcining can make the powder take calcium hydroxide as main body.
In some embodiment of the application, in the process of calcining and hydration, can further pulverize according to needs and make micro mist, the final average grain diameter of micro mist can be 0.1 μ m-500 μ m, be preferably 0.5 μ m-100 μ m, more preferably 0.5 μ m-40 μ m most preferably is 0.5 μ m-10 μ m. By with the further micronizing of the particle diameter of particulate, the antibiotic composition of the powder that makes can be realized Uniform Dispersion when mixing with thermoplastic resin or thermosetting resin, namely fully give the goods antibacterial ability.
In some embodiment of the application, if the concentration of boron element is lower from the powder that animality calcium source makes, can be as required, in the micro mist take calcium hydroxide as main body that makes, adding boron oxide etc. contains the micro mist of boron element, after fully mixing, makes the antibiotic composition of powder.
The antibiotic composition of the powder that makes like this is that wherein the content of boron is more than 0.05 quality % of the antibiotic composition gross mass of powder, more than the preferred 0.2 quality % take calcium hydroxide as main body, take the antibiotic composition of powder of boron element as necessary composition. In some embodiments, the quality that the amount of boron element accounts for antibiotic composition in the described antibiotic composition can be about 0.05-10% usually, is preferably 0.2-8%, more preferably is 1-5%.
In some embodiment of the application, if antibiotic composition components derives from iron-bearing material, then in antibiotic composition, iron content need account for below 0.8% of antibiotic composition gross mass, and is preferred below 0.4%. In some embodiment of the application, do not contain iron in the antibiotic composition that makes.
Thermoplastic resin
In some embodiment of the application, the illustrative examples of the thermoplastic resin that can mix with described bactericidal composition includes but not limited to polyvinyl resin, acrylic resin, polystyrene resin, Corvic, polyamide, polycarbonate resin, polyacetal resin, PET (PET) resin, PBT (polybutylene terephthalate) resin, ABS (acrylonitrile-butadiene-styrene (ABS)) resin etc.
In some embodiment of the application, the thermoplastic resin that is used for the keyboard of mess kits such as chopping board or computer etc. is selected from polyvinyl resin, acrylic resin, ABS resin or PBT resin.
In some embodiment of the application, the combined amount of described bactericidal composition is: add 0.02 mass parts-2.99 mass parts with respect to 100 mass parts thermoplastic resins, preferred at least 0.1 mass parts is more preferably more than 0.5 mass parts.1.0 mass parts-2.9 mass parts is particularly preferred, uses 2.0 mass parts-2.5 mass parts usually.
Thermosetting resin
In some embodiment of the application, the illustrative examples of the thermosetting resin that can mix with described bactericidal composition includes but not limited to unsaturated polyester resin, epoxy resin, phenolic resins, melamine resin, acrylic resin, urea resin, polyimide resin, silicones etc.
In some embodiment of the application, the combined amount of described bactericidal composition is: add 0.1 mass parts-5.0 mass parts with respect to 100 mass parts thermoplastic resins, more preferably 0.15 mass parts-3 mass parts.
Antibacterial product
In some embodiment of the application, according to actual needs, can in the application's antibacterial product, add conventional, be customarily used in the additive in the moulding product of making by thermoplastic resin or thermosetting resin, as plasticizer, stabilizing agent, antioxidant, filler, ultraviolet absorber, colouring agent (pigment, dyestuff etc.), fluorescent whitening agent, antiinflammatory, viscosity modifier etc.
In the application's the antibacterial product, can pass through device well known by persons skilled in the art, as single shaft extruder, two extruders, kneading machine, agitator, bifilar roller mill with above-mentioned powder bactericidal composition and as described in thermoplastic resin mixing, after fully mixing makes its homogenising, use modes such as injection moulding, extrusion molding, blow molding, make desired shape.Or, make film/paper shape, or make foaming product according to purposes by calendar facture or casting method etc.
In addition, using under the situation of thermosetting resin, fully mixing, forming homogeneous mixture, and it is being poured in the mould that expectation is shaped with agitator etc., according to the selected intrinsic condition of cure of resin, it is solidified after, the demoulding gets final product.
The application's antibacterial product and bactericidal composition can be used for various uses.
The application's bactericidal composition is different with silver ion or zinc ion that antibacterial agent uses as plastics with routine, is a kind of cheapness and safe material, can be used for comprising commodity at interior extensive goods.
Therefore, can perform well in the goods that directly contact with hand or skin.Specifically, as the mess kit, toilet, bathroom/washroom of making the main body of keyboard, various mechanical implement and remote controller etc. of computer etc. or button, tableware class, chopping board or metal bowl etc. with flooring material or wall material, other is as wall material of suspension ring or elevator etc.
The application's antibacterial product particularly, because bactericidal composition distributes equably in material and brings into play its effect, in the occasion that is used for as the grade of chopping board, even the chopping board surface is scratched by kitchen knife, also can give full play to anti-microbial property, and the long term maintenance antibiotic effect.
Embodiment
Below enumerate embodiment, illustrate in greater detail the application, but the application does not limit in these embodiments.
Preparation example 1: the preparation of bactericidal composition
After the shell pulverizing with scallop, calcined 1 hour down at 1,000 ℃.In calcined product, add entry, after the digestion, the slaked lime powder that makes is further pulverized, make the powder that average grain diameter is 10 μ m with cracker.And, make bactericidal composition to wherein sneaking into boron oxide.Table 1 shows the composition analysis of gained bactericidal composition.
The composition of table 1-bactericidal composition
| Composition (element) | Content (quality %) |
| Ca(OH) 2 | 91 |
| C | 5.6 |
| SiO 2 | 1.0 |
| SO 3 | 0.41 |
| Na 2O | 0.39 |
| Al 2O 3 | 0.35 |
| Fe 2O 3 | 0.34 |
| SrO | 0.20 |
| P 2O 5 | 0.14 |
| MgO | 0.11 |
| B 2O 3 | 0.11 |
Embodiment 1: antibiotic property test 1
[preparation (1) of test pieces (antibacterial product)]
Above-mentioned bactericidal composition according to mixing with respect to 0.02 quality %, the 0.5 quality % of polypropylene gross mass, 1.0 quality %, 2.0 quality % or 2.99 quality %, is made that size is about 50mm * 40mm, thickness is the test pieces of 2-3mm.
[antibiotic property test and result]
According to the method for testing of JIS Z 2801:2000 " antibiotic fabricated product-antibiotic property method of testing antibacterial effect " 5.2 plastic products etc., the test pieces (test pieces 1-test pieces 5) according to the adding bactericidal composition of above-mentioned manufacturing is carried out the antibiotic property test.
After being about to the surface usefulness ethanol wiping and abundant drying of 5 kinds of made test pieces and unprocessed polyethylene film, after inoculation 0.3mL contains any one bacterium liquid of 3 kinds of bacterial strains described below, cover polyethylene film, under 35 ℃, after cultivating 24 hours (relative moisture is 90%), measure the aerobic plate count of bacterium.
The summary of used test pieces, lining film, bacterium liquid is listed in table 2, and the aerobic plate count measurement result after the cultivation in 24 hours is listed in table 3.In addition, test pieces 5) and the photo of the bacterium liquid cultivation results of unprocessed test pieces be shown in Fig. 1-Fig. 3.
The summary of table 2-test pieces, lining film, bacterium liquid
*1: test pieces 1)-test pieces 5)
1) the acrylic resin sheet of adding bactericidal composition contains bactericidal composition 0.02%
2) the acrylic resin sheet of adding bactericidal composition contains bactericidal composition 0.5%
3) the acrylic resin sheet of adding bactericidal composition contains bactericidal composition 1.0%
4) the acrylic resin sheet of adding bactericidal composition contains bactericidal composition 2.0%
5) the acrylic resin sheet of adding bactericidal composition contains bactericidal composition 2.99%
*2: the contained bacterial classification of bacterium liquid
Escherichia coli: Escherichia coli
Golden yellow staphylococcus: Staphylococcus aureus subsp.Aureus NBRC 12732
Escherichia coli (serotype O157:H7, non-product will is congratulated (Vero) toxin bacterial strain): Escherichia coli ATCC 43888
The measurement result of table 3-test pieces aerobic plate count
As shown in table 3, unprocessed test pieces (polyethylene film) 35 ℃ cultivate 24 hours after, the result who all presents bacterial multiplication still, contains the test pieces 1 of the application's bactericidal composition)-test pieces 5) any one of 3 kinds of bacterium all brought into play good anti-microbial property.Particularly, can be clear and definite by Fig. 1-Fig. 3 that shows cultivation results, (Fig. 1 (A), Fig. 2 (A), Fig. 2 (A)) compares test pieces 5 with unprocessed test pieces) (Fig. 1 (B), Fig. 2 (B), Fig. 3 (B)) all brought into play good antibacterial performance in 3 kinds of bacterium any one.
Embodiment 2: antibiotic property test 2
[preparation (2) of test pieces (antibacterial product)]
The bactericidal composition that will prepare in " preparation example 1: the preparation of bactericidal composition " to mix with respect to 0.2 quality % of melamine gross mass, makes that size is about 45mm * 45mm, thickness is the square test pieces of 2mm.
[antibiotic property test and result]
As previously mentioned, according to JIS Z 2801:2000 method of testing, test pieces is carried out the antibiotic property test.
Be about to made test pieces 6) and the surface of unprocessed polyethylene film with the ethanol wiping and fully after the drying, after inoculation 0.4mL contains any one bacterium liquid of 2 kinds of bacterial strains described below, cover polyethylene film, under 35 ℃, after cultivating 24 hours (relative moisture is 90%), measure the aerobic plate count of bacterium.
The summary of used test pieces, lining film, bacterium liquid is listed in table 4, and the aerobic plate count measurement result after the cultivation in 24 hours is listed in table 5.
The summary of table 4-test pieces, lining film, bacterium liquid
*1: test pieces 6)
6) the melamine resin sheet of adding bactericidal composition contains bactericidal composition 0.2%
*2: the contained bacterial classification of bacterium liquid
Escherichia coli: Escherichia coli ATCC 8739
Golden yellow staphylococcus: Staphylococcus aureus ATCC 6538
The measurement result of table 5-test pieces aerobic plate count
As shown in table 5, unprocessed test pieces (polyethylene film) is after 35 ℃ of cultivations 24 as a child, the result who all presents bacterial multiplication still, contains the test pieces 6 of the application's bactericidal composition) any one of two kinds of bacterium all brought into play good anti-microbial property.
Embodiment 3: the test of pH value and the test result of water extract
Preparation (1) from embodiment 1[test pieces (antibacterial product)] the test pieces (will add with respect to 0.2 quality % bactericidal composition of polypropylene gross mass test pieces as sample) of preparation cut 10mm * 10mm size and make test pieces 7).
According to JIS K 7371:2000 " measuring method of plastic polyvinyl chloride homopolymers and copolymer-water extract pH value ", to test pieces 7) the pH value of water extract measure.
The pH value of measuring water extract thus is 8.1, and this value is in the 5.8-8.6 scope of running water pH value, even therefore determine the application's antibacterial product is used for situations such as cook utensil or tableware, remains safe.
Embodiment 4: mechanical-physical property detection and test result
Preparation (1) with embodiment 1[test pieces (antibacterial product)] the same, imitative " preparation example 1: the preparation of bactericidal composition ", described bactericidal composition according to mixing with respect to 0.5 quality %, the 1.0 quality % of polypropylene gross mass, 1.5 quality %, 2.0 quality %, 2.5 quality % or 2.99 quality %, is made that size is about 50mm * 40mm, thickness is the rectangle test pieces 8 of 2-3mm)-test pieces 13).The test pieces of the interpolation of preparation nothing again bactericidal composition in contrast.
The test pieces that makes is carried out softening point temperature test, impact test and fluidity testing, come the mechanical-physical character of evaluation test sheet with this.
Employed measurement mechanism is listed in table 6 in the physical property evaluation, and gained the results are shown in table 7.
Table 6-measurement mechanism
| The measurement project | Measuring instrument * 1 | Measuring condition |
| The test of VICAT softening point temperature | HDT VICAT test machine | Measure load 5kg |
| The Charpy shock-testing | Shock machine | Hammer 15J (band breach) |
| The melt flow rate (MFR) test | Melt index apparatus F-F01 | Measure load 2.16kg, measure 230 ℃ of temperature |
*1: be the smart tool of (Co., Ltd.) Japan and make manufacturing
Table 7-mechanical-physical character evaluation result
| Test pieces *1 | The VICAT softening point temperature (℃) | Charpy shock-testing (KJ/m 2) | Melt flow rate (MFR) (g/10 minute) |
| Contrast (do not have and add) | 103.1 | 3.1 | 10.9 |
| Test pieces 8) | 105.3 | 3.2 | 10.7 |
| Test pieces 9) | 103.1 | 3.2 | 10.2 |
| Test pieces 10) | 106.4 | 3.2 | 10.2 |
| Test pieces 11) | 105.5 | 3.2 | 9.9 |
| Test pieces 12) | 105.7 | 3.2 | 9.7 |
| Test pieces 13) | 105.7 | 3.2 | 9.5 |
*1: test pieces 8)-test pieces 13)
8) the acrylic resin sheet of adding bactericidal composition contains bactericidal composition 0.5%
9) the acrylic resin sheet of adding bactericidal composition contains bactericidal composition 1.0%
10) the acrylic resin sheet of adding bactericidal composition contains bactericidal composition 1.5%
11) the acrylic resin sheet of adding bactericidal composition contains bactericidal composition 2.0%
12) the acrylic resin sheet of adding bactericidal composition contains bactericidal composition 2.5%
13) the acrylic resin sheet of adding bactericidal composition contains bactericidal composition 2.99%
As shown in table 7, obtain the result and show, contain the test pieces 8 of above-mentioned bactericidal composition)-test pieces 13) the test value of softening point temperature test, shock-testing value and un-added test pieces basic identical, the difference of the two numerical value can be assert in error band.
In addition, mobile increase with the bactericidal composition addition has the trend of reducing, but to compare reduction very little with there not being the situation of adding, and flowability keeps substantially.
As seen, antibiotic property goods according to the invention are not compared with there being the test pieces of adding, and have kept same mechanical-physical character substantially.
Embodiment 5: the extracting test of synthetic resin article
The above-mentioned bactericidal composition that will prepare in " preparation example 1: the preparation of bactericidal composition " mixes with 2.99 quality % with respect to the polypropylene gross mass, makes the chopping board of size about 40cm * 24cm, thick about 13mm.
Is the synthetic resin system utensil of main component according to the specification benchmark of food hygiene law-food/additive etc. No. the 370th, Health and human services department bulletin in 34 years (clear and) with polyethylene and polypropylene, or container package (putting down into MHLW's bulletin in 18 years No. 201) carries out material test (plumbous, cadmium) and extracting test (heavy metal (lead), potassinm permanganate consumption, evaporated residue (water, 4% acetic acid, 20% ethanol, heptane))
In view of the above, the result shows, each test result all meets No. the 370th, the clear and Health and human services department bulletin in 34 years of the specification benchmark of food hygiene law-food/additive etc.), so can confirm that antibiotic property goods of the present invention also are safe when promptly being used in chopping board etc.
Claims (12)
1. bactericidal composition, it comprises slaked lime and boron element, and the content of described boron element accounts for the about more than 0.05% of described bactericidal composition gross mass, and is preferred about more than 0.2%.
2. bactericidal composition, it makes by the following method: shell is calcined; Add entry in calcined product, making with slaked lime is the composition of main component; If desired, add boron element in prepared powder, it is about more than 0.05% to make the content of boron element account for described composition gross mass, preferred about more than 0.2%.
3. bactericidal composition as claimed in claim 2, wherein said slaked lime are from animality calcium source, and for example scallop shell, abalone shells, conch shell, surfing clam shell, sea urchin shell etc. are natural or the shell of the shellfish of breed, or the coral shell, preferred scallop shell.
4. as the described bactericidal composition of the arbitrary claim of claim 1-3, boron element exists with the boron oxide form in the wherein said bactericidal composition.
5. as the described bactericidal composition of the arbitrary claim of claim 1-4, wherein said composition is that powder type exists.
6. bactericidal composition as claimed in claim 5, wherein the average grain diameter of bactericidal composition is about 0.1 μ m-500 μ m, preferably is about 0.5 μ m-100 μ m, is more preferably 0.5 μ m-40 μ m, is most preferably 0.5 μ m-10 μ m.
7. as the described bactericidal composition of the arbitrary claim of claim 1-4, wherein as have a ferro element, then iron content accounts for about below 0.8%, preferred about below 0.4% in the bactericidal composition gross mass.
8. antibacterial product, it comprise the thermoplastic resin of about 100 mass parts and about 0.02-2.99 mass parts the arbitrary claim of claim 1-7 bactericidal composition or comprise the thermosetting resin of about 100 mass parts and the bactericidal composition of the arbitrary claim of claim 1-7 of about 0.1-5.0 mass parts.
9. antibacterial product as claimed in claim 8, wherein said bactericidal composition is dispersed in described thermoplastic resin or the thermosetting resin with powder type.
10. the described antibacterial product of arbitrary claim among the claim 8-9, wherein said thermoplastic resin is selected from polyvinyl resin, acrylic resin, polystyrene resin, Corvic, polyamide, polycarbonate resin, polyacetal resin, PET (PET) resin, PBT (polybutylene terephthalate) resin and ABS (acrylonitrile-butadiene-styrene (ABS)) resin.
11. the described antibacterial product of arbitrary claim among the claim 8-10, wherein said thermosetting resin is selected from unsaturated polyester resin, epoxy resin, phenolic resins, melamine resin, acrylic resin, urea resin, polyimide resin and silicones.
12. antibiotic method comprises the bactericidal composition of the antibiotic goods of needs being used the arbitrary claim of claim 1-7 of antimicrobial effective amount.
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| CN105295342A (en) * | 2015-11-03 | 2016-02-03 | 芜湖德鑫汽车部件有限公司 | Antibacterial automobile air conditioner shell and preparation method thereof |
| CN105295341A (en) * | 2015-11-03 | 2016-02-03 | 芜湖德鑫汽车部件有限公司 | Antibacterial automobile air conditioner shell and preparation method thereof |
| CN105295339A (en) * | 2015-11-03 | 2016-02-03 | 芜湖德鑫汽车部件有限公司 | Antibacterial automobile air conditioner shell and preparation method thereof |
| CN107372631A (en) * | 2017-07-07 | 2017-11-24 | 安徽誉秀农业科技有限公司 | A kind of asepsis environment-protecting heavy duty detergent insecticide |
| CN107446233A (en) * | 2017-07-26 | 2017-12-08 | 深圳市天橙宝投资发展有限公司 | A kind of antibacterial plastic product |
| CN110066526A (en) * | 2019-05-14 | 2019-07-30 | 福建欧仕儿童用品股份有限公司 | A kind of its preparation process for producing articles for children of environment-friendly antibacterial polymer materials and their application |
| CN110583694A (en) * | 2019-09-17 | 2019-12-20 | 上海心动能科技有限公司 | Multi-ion antibacterial mildew inhibitor and preparation method thereof |
| CN113943455A (en) * | 2021-03-08 | 2022-01-18 | 台湾塑胶工业股份有限公司 | High anti-sticking antibacterial film composition, high anti-sticking antibacterial film material containing same and manufacturing method thereof |
| CN114230888A (en) * | 2021-11-05 | 2022-03-25 | 广州地球卫士环保科技有限公司 | Antibacterial preservative film and preservative bag made of same |
-
2010
- 2010-01-15 CN CN2010100006870A patent/CN102125054A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295340A (en) * | 2015-11-03 | 2016-02-03 | 芜湖德鑫汽车部件有限公司 | Antibacterial automobile air conditioner shell and preparation method thereof |
| CN105295342A (en) * | 2015-11-03 | 2016-02-03 | 芜湖德鑫汽车部件有限公司 | Antibacterial automobile air conditioner shell and preparation method thereof |
| CN105295341A (en) * | 2015-11-03 | 2016-02-03 | 芜湖德鑫汽车部件有限公司 | Antibacterial automobile air conditioner shell and preparation method thereof |
| CN105295339A (en) * | 2015-11-03 | 2016-02-03 | 芜湖德鑫汽车部件有限公司 | Antibacterial automobile air conditioner shell and preparation method thereof |
| CN107372631A (en) * | 2017-07-07 | 2017-11-24 | 安徽誉秀农业科技有限公司 | A kind of asepsis environment-protecting heavy duty detergent insecticide |
| CN107446233A (en) * | 2017-07-26 | 2017-12-08 | 深圳市天橙宝投资发展有限公司 | A kind of antibacterial plastic product |
| CN110066526A (en) * | 2019-05-14 | 2019-07-30 | 福建欧仕儿童用品股份有限公司 | A kind of its preparation process for producing articles for children of environment-friendly antibacterial polymer materials and their application |
| CN110583694A (en) * | 2019-09-17 | 2019-12-20 | 上海心动能科技有限公司 | Multi-ion antibacterial mildew inhibitor and preparation method thereof |
| CN113943455A (en) * | 2021-03-08 | 2022-01-18 | 台湾塑胶工业股份有限公司 | High anti-sticking antibacterial film composition, high anti-sticking antibacterial film material containing same and manufacturing method thereof |
| CN114230888A (en) * | 2021-11-05 | 2022-03-25 | 广州地球卫士环保科技有限公司 | Antibacterial preservative film and preservative bag made of same |
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Application publication date: 20110720 |