CN108070141A - A kind of antibiotic plastic and its preparation method and application - Google Patents
A kind of antibiotic plastic and its preparation method and application Download PDFInfo
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- CN108070141A CN108070141A CN201610999235.5A CN201610999235A CN108070141A CN 108070141 A CN108070141 A CN 108070141A CN 201610999235 A CN201610999235 A CN 201610999235A CN 108070141 A CN108070141 A CN 108070141A
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Abstract
The present invention relates to household cookware technical fields, disclose a kind of antibiotic plastic and its preparation method and application.On the basis of the weight of the antibiotic plastic, which contains the plastic granule of the nano silver of 0.36 0.5 weight %, the nano zine oxide of 0.4 1 weight %, the surfactant of 0.16 0.445 weight % and 98.06 99.08 weight %.The antibiotic plastic of the present invention has excellent anti-microbial property and mechanical property.
Description
Technical field
The present invention relates to household cookware technical fields, and in particular, to a kind of antibiotic plastic and its preparation method and application.
Background technology
With the improvement of living standards, requirement of the people to living environment quality and health level is continuously improved, to health
Consciousness also constantly enhance, also increasingly focus on health quality of the life, the use of the fields such as diet anti-biotic material is got over
More to pay attention to.Anti-biotic material ice, wash, the big household electrical appliances such as sky have obtained certain application, to healthy diet, there is rigidity in addition
Demand, the food daily necessities with antibacterial functions will welcome new peak.However, since food is often connect with daily necessities
Food is touched, cleaning does not easily lead to bacteria breed totally, and therefore, a kind of good and at low cost wide spectrum of anti-microbial property efficiently resists
Bacterium material has to be developed.
The content of the invention
The purpose of the invention is to overcome drawbacks described above of the prior art, a kind of antibiotic plastic and its preparation side are provided
Method and application, the antibiotic plastic have excellent anti-microbial property and mechanical property.
To achieve these goals, in a first aspect, the present invention provides a kind of antibiotic plastic, with the weight of the antibiotic plastic
On the basis of, which contains the nano silver of 0.36-0.5 weight %, nano zine oxide, the 0.16- of 0.4-1 weight %
The surfactant of 0.445 weight % and the plastic granule of 98.06-99.08 weight %.
Second aspect, the present invention provides a kind of preparation method of antibiotic plastic, this method includes：
(1) nano silver, surfactant and plastic granule are mixed, gained mixture is then subjected to melt pelletization, is obtained
To nanometer silver antimicrobial master batch；
(2) nano zine oxide, surfactant and plastic granule are mixed, gained mixture then is carried out melting makes
Grain, obtains nano zine oxide antibacterial matrices；
(3) nanometer silver antimicrobial master batch, nano zine oxide antibacterial matrices and plastic granule are mixed, and gained mixture is noted
It is moulded into type.
The third aspect, the present invention provides the antibiotic plastics that method of the present invention is prepared.
Fourth aspect, the present invention provides application of the antibiotic plastic in antibacterial daily necessities is prepared.
The present invention by by the nano silver of certain content, nano zine oxide, surfactant and plastic granule according to specific
The step of, carries out compound, has been prepared with excellent antibacterial activity and mechanical property and antibiotic plastic at low cost, wherein, it should
Antibiotic plastic is in combination with the excellent anti-microbial property of nano silver and the antibacterial activity of nano zine oxide, and zinc oxide is with good
Thermal stability well, persistence, particularly Zn-ef ficiency are trace elements necessary to human body, good with human compatibility.Passing through will
Nano silver, nano zine oxide, surfactant and plastic granule are compound, can not only reduce the cost of antibiotic plastic, while also can
Enough improve its antibacterial activity and mechanical property so that the antibiotic plastic is with a wide range of applications.Moreover, the antibiotic plastic
Preparation method is simple, safe and healthy, and antibacterial activity is high, it is easy to accomplish mass production.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific embodiment
The specific embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The endpoint of disclosed scope and any value are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For numberical range, between the endpoint value of each scope, respectively
It between the endpoint value of a scope and individual point value and can be individually combined with each other between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
In a first aspect, the present invention provides a kind of antibiotic plastics, on the basis of the weight of the antibiotic plastic, the antibiotic plastic
Nano silver containing 0.36-0.5 weight %, the nano zine oxide of 0.4-1 weight %, the surface-active of 0.16-0.445 weight %
Agent and the plastic granule of 98.06-99.08 weight %.
In the antibiotic plastic of the present invention, nano silver can be commercially available or voluntarily be prepared.Such as nano silver
Preparation method can be room temperature reduction method synthetic method, this method includes：5g PVP (polyvinylpyrrolidone) and 78ml are gone
Ionized water is added in round-bottomed flask, stirs 5min (solution clarification at this time), and it is 200mmol/L's then to add in 10ml concentration
AgNO3Solution stirs evenly, then the NaBH that 12ml concentration is 0.1mol/L is added dropwise4Solution reacts 2min, and solution colour is by colourless
Become brown color, reaction product successively with deionized water and absolute ethyl alcohol is washed after the completion of reaction, is dried at 25 DEG C.
In the antibiotic plastic of the present invention, nano zine oxide can be commercially available or voluntarily be prepared.Such as it receives
The preparation method of rice zinc oxide can be microwave ultrasonic wave combined method, and this method includes：By the second that 10ml concentration is 200mmol/L
Acyl acetone zinc and the 4- hydroxyethyl piperazineethanesulfonic acids (HEPES) that 20mL concentration is 200mmol/L are added in round-bottomed flask, and use is micro-
Ripple ultrasonic wave combinatorial compound instrument reacts under conditions of temperature is 110 DEG C, microwave power 500W, ultrasonic power are 1000W
20min, the ultrasound mode of 5min is 1 before reaction：0, the ultrasound mode of 15min is 1 after reaction：2, it after reaction will be anti-
Product is answered successively to be washed with deionized water and absolute ethyl alcohol, is dried at 25 DEG C.Wherein, ultrasound mode refers to a ultrasound
The unlatching number of seconds of wave period and closing number of seconds, 1：0 represents that ultrasonic wave is always on, 1：2 represent that unlatching stops 2 seconds for 1 second.
In the antibiotic plastic of the present invention, surfactant can be surface-treated antibacterial nano-particle, in particle table
Face forms one layer of coating film, reduces the contact between nano-particle to the greatest extent, avoids agglomeration, and then improves the antibiotic property of plastics
Energy.For surfactant, there is no particular limitation, can be common various surfactants in prepared by plastics, in order into one
Step improves the anti-microbial property and mechanical property of plastics, and under preferable case, surfactant is zinc stearate and/or magnesium stearate.
The present inventor under study for action it has furthermore been found that when surfactant be zinc stearate and magnesium stearate when, can be into one
Step improves the anti-microbial property and mechanical property of plastics, and when the weight ratio of zinc stearate and magnesium stearate is 1：When (1-3), moreover it is possible to
The anti-microbial property and mechanical property of plastics are further improved, it is therefore preferable that in the case of, surfactant is for zinc stearate and firmly
Fatty acid magnesium, it is further preferred that the weight ratio of zinc stearate and magnesium stearate is 1：(1-3).
In the antibiotic plastic of the present invention, for plastic granule, there is no particular limitation, can be common in prepared by plastics
Various plastic granule materials, under preferable case, plastic granule is polyethylene (PE) pellet, polypropylene (PP) pellet, polyvinyl chloride
(PVC) pellet, polystyrene (PS) pellet, acrylonitrile-butadiene-styrene (ABS) co-polymer (ABS) pellet and polystyrene heat
At least one of thermoplastic elastic (SBCs) pellet, wherein, styrene series thermoplastic elastomer (SBCs) is styrene-fourth two
Alkene-styrene block copolymer (SBS), styrene-isoprene-styrene block copolymer (SIS), styrene-ethylene-fourth
At least one in alkene-styrene block copolymer (SEBS), styrene ethylene-propylene-styrene type block copolymer (SEPS)
Kind.
In the present invention, although can be according to nano silver, nano zine oxide, surfactant and plastics in foregoing antibiotic plastic
The content of pellet, aforementioned component is mixed, and antibiotic plastic is prepared in then injection molding, still, invention of the invention
People is under study for action it has furthermore been found that be first prepared the nanometer silver antimicrobial master batch of specific content of nanometer silver and specific nano zine oxide
Then the nano zine oxide antibacterial matrices of content mix nanometer silver antimicrobial master batch, nano zine oxide antibacterial matrices and plastic granule
It closes, then by gained mixture injection molding, the plastics being thus prepared have apparent excellent anti-microbial property and mechanical property
Energy.Therefore, in order to improve the anti-microbial property of plastics and mechanical property, under preferable case, second aspect, the present invention provides one kind
The preparation method of antibiotic plastic, this method include：
(1) nano silver, surfactant and plastic granule are mixed, gained mixture is then subjected to melt pelletization, is obtained
To nanometer silver antimicrobial master batch；
(2) nano zine oxide, surfactant and plastic granule are mixed, gained mixture then is carried out melting makes
Grain, obtains nano zine oxide antibacterial matrices；
(3) nanometer silver antimicrobial master batch, nano zine oxide antibacterial matrices and plastic granule are mixed, and gained mixture is noted
It is moulded into type.
In the method for the present invention, it will be understood by those skilled in the art that preparing nanometer silver antimicrobial master batch and preparation is received
The step of rice zinc oxide antibacterial matrices, does not have sequencing, can be carried out at the same time, can also successively carry out.
In the method for the present invention, nano silver, nano zine oxide, surfactant are (in step (1) and step (2) preferably
For zinc stearate and magnesium stearate, and the weight ratio of zinc stearate and magnesium stearate is 1：1-3) and the selection of plastic granule and its
Preparation method can be found in foregoing corresponding contents, and details are not described herein.
In the method for the present invention, in order to further improve the anti-microbial property of plastics and mechanical property, under preferable case, step
(1) in, on the basis of the weight of the mixture, the content of nano silver is 18-20 weight %, and the content of surfactant is 3-
5 weight %, the content of plastic granule is 75-79 weight %.
In the method for the present invention, in order to further improve the anti-microbial property of plastics and mechanical property, under preferable case, step
(2) in, on the basis of the weight of the mixture, the content of nano zine oxide is 20-25 weight %, the content of surfactant
For 5-8 weight %, the content of plastic granule is 67-75 weight %.
In the method for the present invention, it is not particularly limited for the specific method of melt pelletization, can is commonly used in the art
Various methods, this is well known to those skilled in the art, and details are not described herein.
In the method for the present invention, in order to further improve the anti-microbial property of plastics and mechanical property, under preferable case, step
(3) in, on the basis of the weight of mixture, the content of nanometer silver antimicrobial master batch is 2-2.5 weight %, and nano zine oxide antibacterial is female
The content of grain is 2-4 weight %, and the content of plastic granule is 93.5-96 weight %.
In the method for the present invention, for the condition of injection molding, there is no particular limitation, can be commonly used in the art each
Kind of condition, in order to further improve the anti-microbial property of plastics and mechanical property, under preferable case, in step (3), injection molding
Condition includes：Mold temperature is 40-90 DEG C, and barrel front-end temperature is 200-220 DEG C, and barrel stage casing temperature is 180-200 DEG C, material
Cylinder back segment temperature is 180-195 DEG C, and nozzle temperature is 150-180 DEG C, injection pressure 20-100MPa, injection time 20-
60s, high-voltage time 0-3s, cooling time 20-90s.Wherein, high pressure refers to 100-120MPa.
The third aspect, the present invention provides the antibiotic plastics that the above method is prepared.
Fourth aspect, the present invention provides application of the antibiotic plastic of the present invention in antibacterial daily necessities is prepared.
Under preferable case, antibacterial daily necessities is food storing tank, milk has (such as feeding bottle), bowl tool, scoop or cup.
Embodiment
The present invention will be described in detail by way of examples below, but is not intended to limit the present invention.
In following embodiment and comparative example, unless otherwise instructed, each material can be commercially available, and each method is this
The common method in field.
The preparation method of nano silver includes：5g PVP (polyvinylpyrrolidone) and 78ml deionized waters are added in round bottom to burn
In bottle, stirring 5min to solution is clarified, and then adds in the AgNO that 10ml concentration is 200mmol/L3Solution stirs evenly, then drips
Add the NaBH that 12ml concentration is 0.1mol/L4Solution reacts 2min, and solution colour becomes brown color from colourless, after the completion of reaction
Reaction product successively with deionized water and absolute ethyl alcohol is washed, is dried at 25 DEG C.
The preparation method of nano zine oxide includes：It is the zinc acetylacetonate of 200mmol/L and 20mL concentration by 10ml concentration
It is added in for the 4- hydroxyethyl piperazineethanesulfonic acids (HEPES) of 200mmol/L in round-bottomed flask, uses microwave ultrasonic wave combinatorial compound
Instrument reacts 20min, 5min before reaction under conditions of temperature is 110 DEG C, microwave power 500W, ultrasonic power are 1000W
Ultrasound mode be 1：0, the ultrasound mode of 15min is 1 after reaction：2, after reaction by reaction product successively spend from
Sub- water and absolute ethyl alcohol wash, and are dried at 25 DEG C.
Embodiment 1
The present embodiment is used to illustrate antibiotic plastic of the present invention and preparation method thereof.
(1) by 19g nano silvers, 1g zinc stearates, 3g magnesium stearates and 77g PP pellets in high-speed mixer and mixing 8min, so
Gained mixture in dual-screw pelletizer is subjected to melt pelletization afterwards, obtains nanometer silver antimicrobial master batch；
(2) 22g nano zine oxides, 1.5g zinc stearates, 4.5g magnesium stearates and 72g PP pellets are mixed in high mixer
8min is closed, gained mixture in dual-screw pelletizer is then subjected to melt pelletization, obtains nano zine oxide antibacterial matrices；
(3) by 2.2g nanometer silver antimicrobials master batch, 3g nano zine oxides antibacterial matrices and 94.8g PP pellets in high mixer
12min is mixed, and by gained mixture injection molding, obtains meal spoon, the condition of injection molding includes：Mold temperature is 60 DEG C,
Barrel front-end temperature is 210 DEG C, and barrel stage casing temperature is 190 DEG C, and barrel back segment temperature is 190 DEG C, and nozzle temperature is 160 DEG C,
Injection pressure is 60MPa, injection time 40s, and 100MPa high-voltage times are 2s, cooling time 60s.
Embodiment 2
The present embodiment is used to illustrate antibiotic plastic of the present invention and preparation method thereof.
(1) by 18g nano silvers, 1g zinc stearates, 2g magnesium stearates and 79g PVC pellets in high-speed mixer and mixing 10min,
Then gained mixture in dual-screw pelletizer is subjected to melt pelletization, obtains nanometer silver antimicrobial master batch；
(2) 25g nano zine oxides, 2.7g zinc stearates, 5.3g magnesium stearates and 67g PVC pellets are mixed in high mixer
10min is closed, gained mixture in dual-screw pelletizer is then subjected to melt pelletization, obtains nano zine oxide antibacterial matrices；
(3) by 2.5g nanometer silver antimicrobials master batch, 2g nano zine oxides antibacterial matrices and 95.5g PVC pellets in high mixer
15min is mixed, and by gained mixture injection molding, obtains meal spoon, the condition of injection molding includes：Mold temperature is 80 DEG C,
Barrel front-end temperature is 200 DEG C, and barrel stage casing temperature is 180 DEG C, and barrel back segment temperature is 180 DEG C, and nozzle temperature is 150 DEG C,
Injection pressure is 40MPa, injection time 50s, and 120MPa high-voltage times are 1s, cooling time 50s.
Embodiment 3
The present embodiment is used to illustrate antibiotic plastic of the present invention and preparation method thereof.
(1) by 20g nano silvers, 2.5g zinc stearates, 2.5g magnesium stearates and 75g PE pellets in high-speed mixer and mixing
Then gained mixture is carried out melt pelletization by 10min in dual-screw pelletizer, obtain nanometer silver antimicrobial master batch；
(2) 20g nano zine oxides, 2.5g zinc stearates, 2.5g magnesium stearates and 75g PE pellets are mixed in high mixer
10min is closed, gained mixture in dual-screw pelletizer is then subjected to melt pelletization, obtains nano zine oxide antibacterial matrices；
(3) by 2g nanometer silver antimicrobials master batch, 4g nano zine oxides antibacterial matrices and 94g PE pellets in high-speed mixer and mixing
15min, and by gained mixture injection molding, meal spoon is obtained, the condition of injection molding includes：Mold temperature is 50 DEG C, barrel
Front-end temperature is 220 DEG C, and barrel stage casing temperature is 200 DEG C, and barrel back segment temperature is 190 DEG C, and nozzle temperature is 170 DEG C, injection
Pressure is 70MPa, injection time 40s, and 120MPa high-voltage times are 1s, cooling time 40s.
Embodiment 4
According to the method for embodiment 1, the difference is that, in step (1), surfactant is 3g zinc stearates and 1g stearic acid
Magnesium.
Embodiment 5
According to the method for embodiment 1, the difference is that, in step (1), surfactant is 4g zinc stearates.
Embodiment 6
According to the method for embodiment 1, the difference is that, in step (1), surfactant is 4g magnesium stearates.
Embodiment 7
According to the method for embodiment 1, the difference is that, it is in step (1) that 10g nano silvers, 0.53g zinc stearates, 1.59g is hard
Then fatty acid magnesium and 87.88g PP pellets are carried out gained mixture in dual-screw pelletizer in high-speed mixer and mixing 8min
Melt pelletization obtains nanometer silver antimicrobial master batch；It is in step (3) that 4.18g nanometer silver antimicrobials master batch, 3g nano zine oxides antibacterial is female
Grain and 92.82g PP pellets are in high-speed mixer and mixing.
Embodiment 8
According to the method for embodiment 1, the difference is that, 0.418g nano silvers, 0.66g nano zine oxides, 0.067g is stearic
Sour zinc, 0.201g magnesium stearates and 98.654g PP pellets are in high-speed mixer and mixing 28min, then by gained mixture in double spiral shells
Melt pelletization is carried out in bar comminutor, then carries out injection molding, obtains meal spoon.
Comparative example 1
According to the method for embodiment 1, the difference is that, in step (1), by 15g nano silvers, 1g zinc stearates, 3g stearic acid
Then gained mixture in dual-screw pelletizer is carried out melting and made in high-speed mixer and mixing 8min by magnesium and 81g PP pellets
Grain, obtains nanometer silver antimicrobial master batch；
(2) 40g nano zine oxides, 1.5g zinc stearates, 4.5g magnesium stearates and 54g PP pellets are mixed in high mixer
8min is closed, gained mixture in dual-screw pelletizer is then subjected to melt pelletization, obtains nano zine oxide antibacterial matrices；
(3) by 2g nanometer silver antimicrobials master batch, 3g nano zine oxides antibacterial matrices and 95g PP pellets in high-speed mixer and mixing
12min, and by gained mixture injection molding, obtain meal spoon.
Comparative example 2
According to the method for embodiment 1, the difference is that, in step (1), by 15mg nano silvers, 1g zinc stearates, 3g stearic acid
Then magnesium and 95.985g PP pellets are melted gained mixture in dual-screw pelletizer in high-speed mixer and mixing 8min
It is granulated, obtains nanometer silver antimicrobial master batch；
(2) by 1.67g nano zine oxides, 1.5g zinc stearates, 4.5g magnesium stearates and 92.33g PP pellets in high mixer
Middle mixing 8min, then carries out melt pelletization by gained mixture in dual-screw pelletizer, obtains nano zine oxide antibacterial mother
Grain；
(3) by 2g nanometer silver antimicrobials master batch, 3g nano zine oxides antibacterial matrices and 95g PP pellets in high-speed mixer and mixing
12min, and by gained mixture injection molding, obtain meal spoon.
Comparative example 3
According to the method for embodiment 1, the difference is that, in step (1), 19g nano silvers and 81g PP pellets are mixed；Step
(2) in, 22g nano zine oxides and 78g PP pellets are mixed.
Comparative example 4
According to the method for embodiment 1, the difference is that, antimicrobial component and surfactant are not added in, only note PP pellets
It is moulded into type.
Test example
1st, antibiotic property：Each embodiment and right is measured according to People's Republic of China (PRC) light industry standard QB/T 2591-2003
The product that ratio obtains the results are shown in Table 1 to the antibiotic property of staphylococcus aureus, escherichia coli.
2nd, bending property：Each embodiment and comparative example are measured according to GB/T 9341-2000 Plastics-Oetermination of flexural properties method
The bending strength of obtained product.It the results are shown in Table 2.
Table 1
Table 2
| Bending strength (MPa) | |
| Embodiment 1 | 38.3 |
| Embodiment 2 | 37.9 |
| Embodiment 3 | 38.1 |
| Embodiment 4 | 36.5 |
| Embodiment 5 | 35.0 |
| Embodiment 6 | 35.2 |
| Embodiment 7 | 37.8 |
| Embodiment 8 | 34.8 |
| Comparative example 1 | 34.3 |
| Comparative example 2 | 33.1 |
| Comparative example 3 | 34.0 |
| Comparative example 4 | 31.3 |
The antibiotic plastic that can be seen that the present invention from table 1-2 has excellent anti-microbial property and mechanical property.
Embodiment 1 in table 1-2 is understood compared with comparative example 1-2, on the basis of the weight of the antibiotic plastic, antibacterial modeling
Expect that the nano silver containing 0.36-0.5 weight %, the nano zine oxide of 0.4-1 weight %, the surface of 0.16-0.445 weight % are lived
When the plastic granule of property agent and 98.06-99.08 weight %, the anti-microbial property and mechanical property of antibiotic plastic can be significantly improved.
Embodiment 1 in table 1-2 compared with comparative example 3-4 is understood, surfactant or anti-is added in plastic granule
Bacterium ingredient and surfactant can significantly improve the anti-microbial property and mechanical property of antibiotic plastic.
By embodiment 1 in table 1-2 compared with embodiment 4-6 understand, surfactant be zinc stearate and magnesium stearate, and
The weight ratio of zinc stearate and magnesium stearate is 1：During 1-3, the antibiotic property for the antibiotic plastic being prepared can be further improved
Energy and mechanical property.
Embodiment 1 in table 1-2 compared with embodiment 7 is understood, prepares nanometer silver antimicrobial master batch and nano zine oxide respectively
Antibacterial matrices in the case that the content of nano silver, nano zine oxide and surfactant is identical in the plastic, prepares nano silver and resist
During starter grain, the content of nano silver is 18-20 weight %, and the content of surfactant is 3-5 weight %, the content of plastic granule
For 75-79 weight % when, the anti-microbial property and mechanical property of the antibiotic plastic being prepared can be further improved.
Embodiment 1 in table 1-2 compared with embodiment 8 is understood, prepares nanometer silver antimicrobial master batch and nano zine oxide respectively
Antibacterial matrices, and nanometer silver antimicrobial master batch and nano zine oxide antibacterial matrices are added to plastic granule according to specific proportioning
In, the anti-microbial property and mechanical property of the antibiotic plastic being prepared can be further improved.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail, within the scope of the technical concept of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that the specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of antibiotic plastic, which is characterized in that on the basis of the weight of the antibiotic plastic, which contains 0.36-0.5
The nano silver of weight %, the nano zine oxide of 0.4-1 weight %, the surfactant and 98.06- of 0.16-0.445 weight %
The plastic granule of 99.08 weight %.
2. antibiotic plastic according to claim 1, wherein, the surfactant is zinc stearate and/or magnesium stearate,
Preferably zinc stearate and magnesium stearate, it is further preferred that the weight ratio of zinc stearate and magnesium stearate is 1：(1-3)；With/
Or
The plastic granule is polyethylene pellet, polypropylene granules, polyvinyl chloride granules, polystyrene pellets, acrylic nitrile-butadiene two
Alkene-at least one of styrene copolymerisation object pellet and styrene series thermoplastic elastomer pellet.
3. a kind of preparation method of antibiotic plastic, which is characterized in that this method includes：
(1) nano silver, surfactant and plastic granule are mixed, gained mixture is then subjected to melt pelletization, is received
The silver-colored antibacterial matrices of rice；
(2) nano zine oxide, surfactant and plastic granule are mixed, gained mixture is then subjected to melt pelletization, is obtained
To nano zine oxide antibacterial matrices；
(3) nanometer silver antimicrobial master batch, nano zine oxide antibacterial matrices and plastic granule are mixed, and gained mixture is molded into
Type.
4. according to the method described in claim 3, wherein, in step (1), on the basis of the weight of the mixture, nano silver
Content for 18-20 weight %, the content of surfactant is 3-5 weight %, and the content of plastic granule is 75-79 weight %.
5. the method according to claim 3 or 4, wherein, in step (2), on the basis of the weight of the mixture, nanometer
The content of zinc oxide is 20-25 weight %, and the content of surfactant is 5-8 weight %, and the content of plastic granule is 67-75 weights
Measure %.
6. according to the method described in any one in claim 3-5, wherein, in step (3), using the weight of mixture as base
Standard, the content of nanometer silver antimicrobial master batch are 2-2.5 weight %, and the contents of nano zine oxide antibacterial matrices is 2-4 weight %, plastics
The content of pellet is 93.5-96 weight %.
7. according to the method described in any one in claim 3-6, wherein, in step (3), the condition of injection molding includes：
Mold temperature is 40-90 DEG C, and barrel front-end temperature is 200-220 DEG C, and barrel stage casing temperature is 180-200 DEG C, barrel back segment temperature
It spends for 180-195 DEG C, nozzle temperature is 150-180 DEG C, injection pressure 20-100MPa, injection time 20-60s, during high pressure
Between for 0-3s, cooling time 20-90s.
8. the antibiotic plastic that any one the method is prepared in claim 3-7.
9. application of the antibiotic plastic in antibacterial daily necessities is prepared in claim 1,2,8 described in any one.
10. application according to claim 9, wherein, the antibacterial daily necessities is food storing tank, milk tool, bowl tool, spoon
Tool or cup.
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| CN112225973A (en) * | 2020-10-13 | 2021-01-15 | 河南工业大学 | Insect-proof packaging material and preparation method thereof |
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| CN102286208A (en) * | 2011-06-24 | 2011-12-21 | 明助实业股份有限公司 | Antibacterial plastic master batch and manufacturing method thereof and antibacterial chopping board prepared from antibacterial plastic master batch |
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| CN112225973A (en) * | 2020-10-13 | 2021-01-15 | 河南工业大学 | Insect-proof packaging material and preparation method thereof |
| CN112225973B (en) * | 2020-10-13 | 2023-02-03 | 河南工业大学 | Insect-proof packaging material and preparation method thereof |
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