CN107418103A - A kind of anti-electromagnetic radiation antibacterial film being adhered on protective garment and preparation method thereof - Google Patents
A kind of anti-electromagnetic radiation antibacterial film being adhered on protective garment and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to electromagnetic radiation protection technical field, more particularly to a kind of anti-electromagnetic radiation antibacterial film being adhered on protective garment and preparation method thereof, the antibacterial film of anti-electromagnetic radiation has used the raw material of following parts by weight：25~40 parts of starch, 45~65 parts of polyvinyl chloride, inhale 8~15 parts of ripple complexing agent, SiO25~10 parts of colloidal sol, 1.5~2.5 parts of citric acid, 0.5~1.3 part of coupling agent, 3~5 parts of plasticizer, 0.2~0.8 part of defoamer；The suction ripple complexing agent is with Fe3O4For kernel, mesoporous SiO2Fe is made for shell3O4‑SiO2After nano particle, then by Fe3O4‑SiO2It is compound with four needle-like ZnO, and coat complex microsphere made from polypyrrole.The preparation method technique of the present invention is simple, and easy to operate, the anti-electromagnetic radiation antibacterial film prepared has excellent anti-electromagnetic radiation performance, has preferable anti-microbial property, also has stronger toughness, it is not easy to tear.
Description
Technical field
The present invention relates to electromagnetic radiation protection technical field, more particularly to a kind of anti-electromagnetic radiation being adhered on protective garment
Antibacterial film and preparation method thereof.
Background technology
With the fast development of electronics industry and wireless communication technology, the application of electronic electric equipment is more and more extensive, with
This simultaneously, caused electromagnetic radiation is also more and more in people's living environment.Electromagnetic radiation be in the form of an electromagnetic wave and with
The light velocity propagates the physical phenomenon of energy in the air, and recent domestic media are more and more to the harm report of electromagnetic radiation, with
This simultaneously, caused by high-intensity electromagnetic radiation health aspect negative effect increasingly paid attention to by medical field.
Lot of experiments and investigation observation indicate that, lot of experiments proves, effect of the electromagnetic radiation to people is such as
Under：First, fuel factor, human body 70% is above is water, hydrone are caused body by rubs mutually after some strength electromagnetic radiation
Heating, so as to influence the operating temperature of interior organ；Second, non-thermal effect, all there is faint electromagnetism in the organ and tissue of human body
, they are stable and orderly, once the interference strength of external electromagnetic field is excessive, the weak electromagnetic field in poised state will
It is possible to be affected or even destroys；Third, after cumulative effect, fuel factor and non-thermal effect act on human body, when to the shadow of human body
Sound is not yet in time for before self-recovery, if will be sent out by the long-term influence of excessive electromagenetic wave radiation, its influence degree again
Raw accumulation, can form permanent cumulative effect in the course of time.Expert introduction, it may result in more than 2 milligauss above electromagnetic radiation
People suffers from the disease, and what is stood in the breach is human body skin and mucous membrane tissue, and Symptoms are eyelid swelled, one's eyes became bloodshot, nasal obstruction stream
There is nettle rash, eczema, itch etc. repeatedly in tears, throat discomfort, or whole skin；It is likely to occur during influence immune function of human body white
Purplish or white patches on the skin wind, psoriasis, anaphylactoid purpura etc..It is reported that electromagenetic wave radiation by World Health Organization be classified as after water source, air, noise it
The fourth-largest environomental pollution source afterwards, long-term and excessive electromagnetic radiation can cause to hinder to human body reproduction, nerve and the system such as immune
Evil, it is skin disease, angiocardiopathy, diabetes, the main inducing of cancer mutation.Come frequently with the mode of wearing electromagnetic radiation shielding clothes
Electromagnetic radiation is avoided to bring injury to human body, the person that is widely used in special occupation.
Exposure suit is that the loop formed using metallic fiber in clothes produces induced current, because induced current produces instead
Shielded to electromagnetic field, i.e., when wire netting aperture is less than electromagnetic wavelength 1/4, then electromagnetic wave can not pass through wire netting.But
It is electromagnetic shielding material to be metal as a kind of reflection, and the radiofrequency signal of reflection can cause " secondary pollution " to space environment, right
The protection effect of electromagnetic radiation is undesirable, while the problem of easily growing bacterium also be present.
The content of the invention
In view of this, it is an object of the invention to provide a kind of anti-electromagnetic radiation antibacterial film being adhered on protective garment and its
Preparation method, the preparation method technique is simple, easy to operate, and the antibacterial film of the anti-electromagnetic radiation prepared has excellent anti-
Electromagnetic radiation performance, there is preferable anti-microbial property, also there is stronger toughness, it is not easy to tear.
The present invention solves above-mentioned technical problem by following technological means：
A kind of anti-electromagnetic radiation antibacterial film being adhered on protective garment, include the raw material of following parts by weight：
25~40 parts of starch, 45~65 parts of polyvinyl chloride, inhale 8~15 parts of ripple complexing agent, SiO25~10 parts of colloidal sol, lemon
1.5~2.5 parts of acid, 0.5~1.3 part of coupling agent, 3~5 parts of plasticizer, 0.2~0.8 part of defoamer；It is described suction ripple complexing agent be
With Fe3O4For kernel, mesoporous SiO2Fe is made for shell3O4-SiO2After nano particle, then by Fe3O4-SiO2Answered with four needle-like ZnO
Close, and coat complex microsphere made from polypyrrole.
Used the suction ripple complexing agent of multi-layer compound structure in the raw material of the antibacterial film of the present invention, the suction ripple complexing agent with
Other raw materials after film forming, can carry out multilayer loss, to reach the purpose of radiation proof to the electromagnetic wave of entrance together.Fe3O4Have
Electro-magnetic wave absorption performance, but because the dipole moment of its own acts on, easily reunite and aoxidize, the present invention is in Fe3O4Upper cladding
SiO2Formed with Fe3O4For kernel, mesoporous SiO2For the Fe of shell3O4-SiO2Nano particle, it can not only can prevent Fe3O4Oxygen
Change, improve Fe3O4Stability, prevent reunite, additionally it is possible to strengthen electro-magnetic wave absorption performance, mesoporous SiO2The meso-hole structure meeting of shell
The effect such as certain scattering, reflection is produced to electromagnetic wave, this process can produce greatly loss to electromagnetic wave, not be depleted
Electromagnetic wave is in mesoporous SiO2In the presence of shell, smoothly into Fe3O4Wave-absorber and be depleted.Four needle-like ZnO have special three
- four acicular textures and nanoscale needle body diameter are tieed up, when itself and Fe3O4-SiO2Compound tense can further improve electromagnetic wave absorbability
Can, when electromagnetic wave incident is to its surface, four needle-like ZnO can absorb electromagnetic wave and reduce reflection, and the vibrational energy of electromagnetic wave is turned
Turn to electric energy, heat energy etc.；In addition, four needle-like ZnO four needle points show special sophisticated nano effect, can efficiently kill
The toxin to go out with bacteria removal and decomposing bacteria secretion, its antibacterial effect is stronger, it is stronger than the antibacterial activity of classical antibacterial agents and
Persistently.Polypyrrole has the absorptivity less than -8dB in 3cm wave bands, is coated on Fe3O4-SiO2Formed with four needle-like ZnO compound
On thing, the magnetic loss performance for inhaling ripple complexing agent can be further improved, widens absorption band.
Further, the Fe3O4Be use hydro-thermal method synthesize average grain diameter for 45~80nm pointed cone octahedron particle.
Pointed cone octahedron Fe3O4Particle is a kind of antiradar reflectivity broadband electromagnetic wave absorbent material, low-frequency range (2~
Absorption 13GHz) is mostly derived from magnetic loss and has dielectric loss concurrently, and dielectric is mostly derived from the absorption of high band (13~18GHz)
Loss has weak magnetic loss concurrently, and pointed cone pattern is advantageous to strengthen electromagnetic consumable and electromagnetic matching.
Further, the Fe3O4-SiO2Nano particle is with Fe3O4For kernel, to be dispersed with the positive silicic acid second of nickel nano powder
Ester is presoma, and mesoporous SiO is made using improved Stober methods2Coat Fe3O4Nucleocapsid complex microsphere, the mesoporous SiO2
Nano nickel particles are stained with duct.
Nickel nano particle has higher saturation magnetization and magnetic conductivity, is one of important electromagnetic wave absorbent material,
The present invention utilizes mesoporous SiO2Good adsorptivity and higher specific surface area characteristic make nickel nano particle be adsorbed onto mesoporous SiO2Table
On face and hole wall, with Fe3O4Form nickel, Fe3O4And SiO2Composite, it can further improve the anti-electromagnetic radiation effect of film
Fruit.
Further, the ZnO is using ZnO whiskers, the Fe made from thermal evaporation oxidation zinc metal sheet3O4-SiO2Receive
ZnO-Fe is made in ZnOw surface in rice grain uniform adhesion3O4-SiO2。
The needle point position that four of four-needle-like zinc oxide have nano effect will not reunite, and can spread more evenly across thin
In film raw material, and can be with film activeness and quietness, wearability enhancing.ZnO-Fe3O4-SiO2Both can be with the anti-electricity of enhanced film
Magnetic radiation acts on, and can play antibacterial action again.
Further, the coupling agent is titanate coupling agent, and the plasticizer is dioctyl phthalate, the defoaming
Agent is one kind in polyphosphoric acid tributyl, Laurate alcohol ester phenylacetate, dimethyl silicone polymer.
In addition, the invention also discloses a kind of above-mentioned preparation method of anti-electromagnetic radiation, the preparation method are as follows：Respectively
It is stand-by to weigh each raw material of corresponding parts by weight, starch is put into high-speed mixer, polyvinyl chloride and distilled water are added, in 90
4.5~5.5h is stirred at~96 DEG C, is cooled to 55~65 DEG C, citric acid is added and stirs 2~3h, be cooled to room temperature, add plasticising
Agent, coupling agent and defoamer stir and evenly mix, and after being again heated to 60~70 DEG C, add and inhale ripple complexing agent and SiO2Colloidal sol with 600~
850r/min rotating speed stirs 1.5~3.0h, is cooled to room temperature, and standing 10~16h in 2~5 DEG C obtains film liquid, and film liquid is coated with
On the casting machine that surface temperature is 50~55 DEG C after film forming, take film off, be dried in vacuo at 55~60 DEG C, that is, obtain anti-electric
The antibacterial film of magnetic radiation.
Further, it is described inhale ripple complexing agent prepare it is as follows：Added in every liter of 0.1mol/L hydrochloric acid solution
5.0gZnO-Fe3O4-SiO2Stirred with 35g neopelexes, add 60~75mL pyrroles and continue after stirring and evenly mixing,
5g ammonium persulfates reaction 15h is added under condition of ice bath, is filtered, filter residue is washed with ethanol and deionized water, in 55~60 DEG C of vacuum
After drying 24h, grinding is taken out, obtains inhaling ripple complexing agent.
Further, the ZnO-Fe3O4-SiO2Prepare it is as follows：The graphite oxide that will be prepared using Hunmers methods
Alkene ultrasonic wave, which is scattered in deionized water, obtains suspension, takes Fe3O4-SiO2Nano particle ultrasonic wave is scattered in suspension, then
Four needle-like ZnO stirrings are added, dispersion liquid is obtained, dispersion liquid is transferred in the polytetrafluoroethylliner liner of reactor, in 120~135
DEG C reaction 2h after, centrifuge, be dried to obtain ZnO-Fe3O4-SiO2.The present invention uses graphene oxide as Fe3O4-SiO2Receive
The dispersant of rice grain realizes Fe3O4-SiO2Nano particle load uniform on ZnO whiskers surface and stable.
Further, the Fe3O4-SiO2Preparing for nano particle is as follows：Disperse 5g Fe in every liter of deionized water3O4Receive
Rice corpuscles, adds 80mL5mol/L HCl and 200mL5mol/L sodium citrate solution stirring 1.5h, and Magneto separate is modified
Fe3O4Nano particle, by MODIFIED Fe3O4In the ethanol solution containing 20w% ammoniacal liquor, dropwise addition 5mL is dispersed with nickel and received ultrasonic disperse
The tetraethyl orthosilicate stirring 24h of ground rice, obtained individual layer SiO is washed with water and ethanol Magneto separate2Coat Fe3O4Composite particles, point
Dissipate in the mixed solution of 1L ethanol, 1.5L deionized waters and 50mL25w% ammoniacal liquor, and add 10g cetyl trimethyl bromines
Change ammonium ultrasonic disperse 50min, be slowly added dropwise 5mL be dispersed with nickel nano powder tetraethyl orthosilicate stirring 15h after, with water and ethanol magnetic
After separating, washing is multiple, obtained solid is dried in vacuo 10h in 60 DEG C, is transferred in tube furnace under an argon atmosphere with 10 DEG C/min
Speed be warming up to 350 DEG C holding 5h, cooling take out, that is, obtain Fe3O4-SiO2Nano particle.
Use in the preparing raw material of the antibacterial film of the anti-electromagnetic radiation of the present invention and answered with multi-layer compound structure suction ripple
Mixture, the suction ripple complexing agent impart antibacterial film on the one hand by the special sophisticated nano effect of four acicular type zinc oxide crystal whisker
Antibiotic effect and stronger toughness, make antibacterial film be not easy to grow bacterium, it is not easy to be torn；On the other hand duct is passed through
Inside it is stained with the mesoporous SiO of nano nickel particles2Coat Fe3O4Nucleocapsid complex microsphere, improve film anti-electromagnetic radiation effect
Fruit, and can enough prevent Fe3O4Oxidation, improve Fe3O4Stability；In addition, by inhaling the outermost polypyrrole of ripple complexing agent
The magnetic loss performance for inhaling ripple complexing agent can be further improved, widens absorption band.The antibacterial of the anti-electromagnetic radiation of the present invention is thin
Film carries out induction layer by layer to electromagnetic wave and absorbs conversion, reaches the purpose of thoroughly loss electromagnetic wave, prevents hazards of electromagnetic radiation human body
Health, the film can be adhered on exposure suit by glue, can realize its anti-electromagnetic-radiation under a variety of varying environments
Function.
Embodiment
Below with reference to specific embodiment, the present invention is described in detail：
A kind of anti-electromagnetic radiation antibacterial film being adhered on protective garment of the present invention, uses the original of following parts by weight
Material：25~40 parts of starch, 45~65 parts of polyvinyl chloride, inhale 8~15 parts of ripple complexing agent, SiO25~10 parts of colloidal sol, citric acid 1.5
~2.5 parts, 0.5~1.3 part of coupling agent, 3~5 parts of plasticizer, 0.2~0.8 part of defoamer.It is therein suction ripple complexing agent be with
Fe3O4For kernel, mesoporous SiO2Fe is made for shell3O4-SiO2Nano particle, then by Fe3O4-SiO2It is compound with four needle-like ZnO, and
Coat complex microsphere made from polypyrrole.Fe therein3O4Be use hydro-thermal method synthesize average grain diameter for 45~80nm pointed cone
Octahedra particle, Fe3O4-SiO2Nano particle is with Fe3O4For kernel, to be dispersed with the tetraethyl orthosilicate of nickel nano powder as forerunner
Body, mesoporous SiO is made using improved Stober methods2Coat Fe3O4Nucleocapsid complex microsphere, and mesoporous SiO2Adhered in duct
There are nano nickel particles, ZnO is using ZnO whiskers, Fe made from thermal evaporation oxidation zinc metal sheet3O4-SiO2Nano particle is uniform
It is adhered to ZnOw surface and ZnO-Fe is made3O4-SiO2。
The suction ripple complexing agent that the present invention uses has multi-layer compound structure, and it is coated shape layer by layer by various raw materials
Into, below will by specific embodiment to inhale ripple complexing agent preparation illustrate.
Embodiment one：Fe3O4Preparation
Fe is prepared using hydro-thermal method3O4：It is the sticky of 5mol/L to measure and be configured to concentration in polyethylene glycol addition deionized water
Liquid, weigh 0.3mol ferrous sulfate (FeSO4·7H2) and 0.15mol sodium thiosulfate (NaS O2O3·5H2O), it is put into together poly-
In tetrafluoroethene reactor inner bag, then add 0.88L viscous fluids and stir, then it is 5mol/ to pour into 0.12L concentration rapidly
L sodium hydroxide solution stirring, Surface Creation presoma Fe (OH)2, continue after stirring and evenly mixing, in frequency 30kHz, power
Under conditions of 350W after supersonic oscillations 20min, in a kettle after 180 DEG C are reacted 8~11h, room temperature is naturally cooled to, is taken
Go out reactant to be washed repeatedly with deionized water Magneto separate, be dried in vacuo 10h in 65~70 DEG C, obtain Fe3O4Particle.To Fe3O4
Grain is scanned electron microscope scanning and shows Fe manufactured in the present embodiment3O4Particle is scattered octahedral centrum, and plane of crystal is put down
It is whole, each face approximation equilateral triangle, and its average particle size distribution is measured in 45~80nm.
Embodiment two：Fe3O4-SiO2Preparation
Disperse Fe prepared by 5g embodiments one in every liter of deionized water3O4Nano-particle, add 80mL5mol/L HCl
1.5h is stirred with 200mL5mol/L citric acid three sodium solution, Magneto separate obtains MODIFIED Fe3O4Nano particle, sodium citrate absorption
In Fe3O4Nanoparticle surface, change Fe3O4Surface potential, beneficial to Fe3O4Nano-particle overcomes dipole moment, by modification
Fe3O4For ultrasonic disperse in the ethanol solution containing 20w% ammoniacal liquor, agitation and dropping 5mL is dispersed with the positive silicic acid second of nickel nano powder
Ester, the nickel nano powder that mass concentration is 5% is dispersed with the tetraethyl orthosilicate, and tetraethyl orthosilicate continues to stir after being added dropwise
24h, washed with water and ethanol Magneto separate until solution is in neutral, obtained individual layer SiO2Coat Fe3O4Composite particles, it is scattered in
In the mixed solution of 1L ethanol, 1.5L deionized waters and 50mL25w% ammoniacal liquor, 10g cetyl trimethylammonium bromides are added
Ultrasonic disperse 50min, the tetraethyl orthosilicate that 5mL is dispersed with nickel nano powder is slowly added dropwise, continues after stirring 15h, with water and ethanol
Magneto separate washs for several times, and obtained solid is dried in vacuo 10h in 60 DEG C, is transferred in tube furnace under an argon atmosphere with 10 DEG C/min
Speed be warming up to 350 DEG C holding 5h, cooling take out, that is, obtain Fe3O4-SiO2Nano particle.
Embodiment three：ZnO-Fe3O4-SiO2Preparation
Graphene oxide is prepared using Hunmers methods, graphene oxide ultrasonic wave is scattered in deionized water, is configured to
Mass concentration is 1.2mg/mL suspension；Take zinc granule to be put into tablet press machine and be pressed into thin slice, be then placed in alumina crucible, will
Alumina crucible is placed in burner hearth, and being warming up to 450 DEG C of constant temperature with 8 DEG C/min speed keeps 2h, then the speed with 5 DEG C/min
It is warming up to 950 DEG C of constant temperature and keeps 1h. furnace coolings, grinding obtains four needle-like ZnO powders；Fe prepared by Example two3O4-
SiO2Nano particle is added in suspension, and ultrasonic wave is carried out under conditions of frequency 25kHz, power 100W and disperses 30min, then is added
Enter 2 times of Fe3O4-SiO2Four needle-like ZnO powders of quality stir 1h with 450~600r/min of rotating speed, obtain dispersion liquid, will be scattered
Liquid is transferred in the polytetrafluoroethylliner liner of reactor, after 120~135 DEG C are reacted 2h, is centrifuged, is dried to obtain ZnO-
Fe3O4-SiO2。
Example IV：Inhale the preparation of ripple complexing agent
5.0gZnO-Fe is added in every liter of 0.1mol/L hydrochloric acid solution3O4-SiO2With 35g neopelexes
1.5~2.0h is stirred, adds 60mL pyrroles, continues to stir 1.0h, 5g ammonium persulfates reaction 15h is added under condition of ice bath, is filtered,
Filter residue is washed untill filtrate is colourless with ethanol and deionized water, and after 55~60 DEG C are dried in vacuo 24h, takes out grinding, institute
Product is obtained i.e. with ZnO-Fe3O4-SiO2For core, the micro-sphere structure of polypyrrole shell is coated with, that is, inhales ripple complexing agent.
Embodiment five：Inhale the preparation of ripple complexing agent
5.0gZnO-Fe is added in every liter of 0.1mol/L hydrochloric acid solution3O4-SiO2With 35g neopelexes
1.5~2.0h is stirred, adds 70mL pyrroles, continues to stir 2.0h, 5g ammonium persulfates reaction 15h is added under condition of ice bath, is filtered,
Filter residue is washed untill filtrate is colourless with ethanol and deionized water, and after 55~60 DEG C are dried in vacuo 24h, takes out grinding, institute
Product is obtained i.e. with ZnO-Fe3O4-SiO2For core, the micro-sphere structure of polypyrrole shell is coated with, that is, inhales ripple complexing agent.
Embodiment six：Inhale the preparation of ripple complexing agent
5.0gZnO-Fe is added in every liter of 0.1mol/L hydrochloric acid solution3O4-SiO2With 35g neopelexes
1.5~2.0h is stirred, adds 75mL pyrroles, continues to stir 2.0h, 5g ammonium persulfates reaction 15h is added under condition of ice bath, is filtered,
Filter residue is washed untill filtrate is colourless with ethanol and deionized water, and after 55~60 DEG C are dried in vacuo 24h, takes out grinding, institute
Product is obtained i.e. with ZnO-Fe3O4-SiO2For core, the micro-sphere structure of polypyrrole shell is coated with, that is, inhales ripple complexing agent.
Embodiment seven：The preparation of anti-electromagnetic radiation antibacterial film
Each raw material is weighed by following weight fraction：25 parts of starch, 45 parts of polyvinyl chloride, the suction ripple that example IV is prepared
8 parts of complexing agent, SiO25 parts of colloidal sol, 1.5 parts of citric acid, 0.5 part of titanate coupling agent, 3 parts of dioctyl phthalate, poly- phosphorus
Sour 0.2 part of tributyl is stand-by, and starch is put into high-speed mixer, adds polyvinyl chloride and distilled water, the addition of distilled water
Measure as 60 times of polyvinyl chloride quality, 4.5~5.5h stirred at 90 DEG C, is cooled to 55~65 DEG C, add citric acid stirring 2~
3h, room temperature is cooled to, adds plasticizer, coupling agent and defoamer and stir and evenly mix, after being again heated to 60 DEG C, added and inhale ripple complexing agent
And SiO2Colloidal sol stirs 1.5h with 600r/min rotating speed, is cooled to room temperature, and standing 10~16h in 2~5 DEG C obtains film liquid, will
Film liquid is coated on the casting machine that surface temperature is 50~55 DEG C after film forming, is taken film off, is dried in vacuo, obtains at 55~60 DEG C
To the antibacterial film of anti-electromagnetic radiation.
Embodiment eight：The preparation of anti-electromagnetic radiation antibacterial film
Each raw material is weighed by following weight fraction：40 parts of starch, 65 parts of polyvinyl chloride, the suction ripple that embodiment six is prepared
10 parts of complexing agent, SiO210 parts of colloidal sol, 2.0 parts of citric acid, 1.3 parts of titanate coupling agent, 4 parts of dioctyl phthalate, gather
0.8 part of dimethyl siloxane is stand-by, and starch is put into high-speed mixer, adds polyvinyl chloride and distilled water, distilled water
Addition is 60 times of polyvinyl chloride quality, and 4.5~5.5h is stirred at 96 DEG C, is cooled to 55~65 DEG C, adds citric acid and stirs
2~3h is mixed, is cooled to room temperature, plasticizer, coupling agent and defoamer is added and stirs and evenly mixs, after being again heated to 65 DEG C, adds and inhales ripple
Complexing agent and SiO2Colloidal sol stirs 3.0h with 700r/min rotating speed, is cooled to room temperature, and standing 10~16h in 2~5 DEG C obtains film
Liquid, film liquid is coated on the casting machine that surface temperature is 50~55 DEG C after film forming, takes film off, vacuum is done at 55~60 DEG C
It is dry, obtain the antibacterial film of anti-electromagnetic radiation.
Embodiment nine：The preparation of anti-electromagnetic radiation antibacterial film
Each raw material is weighed by following weight fraction：40 parts of starch, 65 parts of polyvinyl chloride, the suction ripple that embodiment five is prepared
12 parts of complexing agent, SiO210 parts of colloidal sol, 2.0 parts of citric acid, 1.3 parts of titanate coupling agent, 4 parts of dioctyl phthalate, benzene
0.8 part of acetic acid bay alcohol ester is stand-by, and starch is put into high-speed mixer, adds polyvinyl chloride and distilled water, distilled water
Addition is 60 times of polyvinyl chloride quality, and 4.5~5.5h is stirred at 96 DEG C, is cooled to 55~65 DEG C, adds citric acid and stirs
2~3h is mixed, is cooled to room temperature, plasticizer, coupling agent and defoamer is added and stirs and evenly mixs, after being again heated to 68 DEG C, adds and inhales ripple
Complexing agent and SiO2Colloidal sol stirs 3.0h with 800r/min rotating speed, is cooled to room temperature, and standing 10~16h in 2~5 DEG C obtains film
Liquid, film liquid is coated on the casting machine that surface temperature is 50~55 DEG C after film forming, takes film off, vacuum is done at 55~60 DEG C
It is dry, obtain the antibacterial film of anti-electromagnetic radiation.
Embodiment ten：The preparation of anti-electromagnetic radiation antibacterial film
Each raw material is weighed by following weight fraction：40 parts of starch, 65 parts of polyvinyl chloride, suction ripple prepared by embodiment five are compound
15 parts of agent, SiO210 parts of colloidal sol, 2.5 parts of citric acid, 1.3 parts of titanate coupling agent, 5 parts of dioctyl phthalate, polyphosphoric acid
0.8 part of tributyl is stand-by, and starch is put into high-speed mixer, adds polyvinyl chloride and distilled water, the addition of distilled water
For 60 times of polyvinyl chloride quality, 4.5~5.5h is stirred at 96 DEG C, is cooled to 55~65 DEG C, add citric acid stirring 2~
3h, room temperature is cooled to, adds plasticizer, coupling agent and defoamer and stir and evenly mix, after being again heated to 70 DEG C, added and inhale ripple complexing agent
And SiO2Colloidal sol stirs 3.0h with 850r/min rotating speed, is cooled to room temperature, and standing 10~16h in 2~5 DEG C obtains film liquid, will
Film liquid is coated on the casting machine that surface temperature is 50~55 DEG C after film forming, is taken film off, is dried in vacuo, obtains at 55~60 DEG C
To the antibacterial film of anti-electromagnetic radiation.
The antibacterial film for the anti-electromagnetic radiation that embodiment seven~ten is prepared carries out performance detection respectively, there is electromagnetic wave
Shielding properties tester (XF types) to film by being scanned, and test each point is in the anti-electromagnetic radiation performance without frequency band
(scan frequency section 30~1000MHz, frequency interval 10MHz), as a result as shown in table 1；It is each according to GB/T1040.3-2006 tests
The cross directional stretch mean intensity of antibacterial film prepared by embodiment, horizontal average elastic modulus, longitudinal stretching mean intensity and vertical
To average elastic modulus, as a result as shown in table 1；The antibacterial film of each embodiment preparation is finally detected to Escherichia coli and golden yellow
Staphylococcic antibacterial effect, as a result as shown in table 1.
Table 1
The antibacterial film for the anti-electromagnetic radiation being prepared by the as shown by data of table 1, the present invention has excellent anti-electromagnetism
Radiation function, and there is certain intensity and toughness, it is not easy to it is torn, also there is stronger antibacterial action, can avoid
Bacterium grows on film.The anti-electromagnetic radiation antibacterial film of the present invention is adhered on protective garment, avoids hazards of electromagnetic radiation
The health of human body.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to preferred embodiment to this hair
It is bright to be described in detail, it will be understood by those within the art that, technical scheme can be modified
Or equivalent substitution, without departing from the objective and scope of technical solution of the present invention, it all should cover the claim in the present invention
Among scope.The present invention be not described in detail technology, shape, construction part be known technology.
Claims (9)
1. a kind of anti-electromagnetic radiation antibacterial film being adhered on protective garment, it is characterised in that include the original of following parts by weight
Material：
25~40 parts of starch, 45~65 parts of polyvinyl chloride, inhale 8~15 parts of ripple complexing agent, SiO25~10 parts of colloidal sol, citric acid 1.5
~2.5 parts, 0.5~1.3 part of coupling agent, 3~5 parts of plasticizer, 0.2~0.8 part of defoamer；
The suction ripple complexing agent is with Fe3O4For kernel, mesoporous SiO2Fe is made for shell3O4-SiO2After nano particle, then will
Fe3O4-SiO2It is compound with four needle-like ZnO, and coat complex microsphere made from polypyrrole.
A kind of 2. anti-electromagnetic radiation antibacterial film being adhered on protective garment according to claim 1, it is characterised in that institute
State Fe3O4Be use hydro-thermal method synthesize average grain diameter for 45~80nm pointed cone octahedron particle.
A kind of 3. anti-electromagnetic radiation antibacterial film being adhered on protective garment according to claim 2, it is characterised in that institute
State Fe3O4-SiO2Nano particle is with Fe3O4For kernel, to be dispersed with the tetraethyl orthosilicate of nickel nano powder as presoma, using changing
Mesoporous SiO is made in the Stober methods entered2Coat Fe3O4Nucleocapsid complex microsphere, the mesoporous SiO2Nickel nanometer is stained with duct
Particle.
A kind of 4. anti-electromagnetic radiation antibacterial film being adhered on protective garment according to claim 3, it is characterised in that institute
It is using ZnO whiskers, the Fe made from thermal evaporation oxidation zinc metal sheet to state ZnO3O4-SiO2Nano particle uniform adhesion in
ZnO-Fe is made in ZnOw surface3O4-SiO2。
A kind of 5. anti-electromagnetic radiation antibacterial film being adhered on protective garment according to claim 4, it is characterised in that institute
It is titanate coupling agent to state coupling agent, and the plasticizer is dioctyl phthalate, the defoamer be polyphosphoric acid tributyl,
One kind in Laurate alcohol ester phenylacetate, dimethyl silicone polymer.
6. according to a kind of preparation of any described anti-electromagnetic radiation antibacterial film being adhered on protective garment of Claims 1 to 5
Method, it is characterised in that the preparation method is as follows：It is stand-by that each raw material of corresponding parts by weight is weighed respectively, and starch is put into
In high-speed mixer, polyvinyl chloride and distilled water are added, 4.5~5.5h is stirred at 90~96 DEG C, 55~65 DEG C is cooled to, adds
Enter citric acid and stir 2~3h, be cooled to room temperature, add plasticizer, coupling agent and defoamer and stir and evenly mix, be again heated to 60~70
After DEG C, add and inhale ripple complexing agent and SiO2Colloidal sol stirs 1.5~3.0h with 600~850r/min rotating speed, is cooled to room temperature, in
2~5 DEG C stand 10~16h and obtain film liquid, and film liquid is coated on the casting machine that surface temperature is 50~55 DEG C after film forming, taken off
Film, is dried in vacuo at 55~60 DEG C, that is, obtains the antibacterial film of anti-electromagnetic radiation.
7. a kind of preparation method of anti-electromagnetic radiation antibacterial film being adhered on protective garment according to claim 6, its
It is characterised by, preparing for the suction ripple complexing agent is as follows：ZnO-Fe is added in 0.1mol/L hydrochloric acid solution3O4-SiO2With ten
Dialkyl benzene sulfonic acids sodium is stirred, and adds pyrroles and continues after stirring and evenly mixing, and ammonium persulfate reaction 15h is added under condition of ice bath, is taken out
Filter, filter residue are washed with ethanol and deionized water, after 55~60 DEG C are dried in vacuo 24h, take out grinding, obtain inhaling ripple complexing agent.
8. a kind of preparation method of anti-electromagnetic radiation antibacterial film being adhered on protective garment according to claim 7, its
It is characterised by, the ZnO-Fe3O4-SiO2Prepare it is as follows：The graphene oxide ultrasound that will be prepared using Hunmers methods
Ripple, which is scattered in deionized water, obtains suspension, takes Fe3O4-SiO2Nano particle ultrasonic wave is scattered in suspension, adds four
Needle-like ZnO is stirred, and obtains dispersion liquid, dispersion liquid is transferred in the polytetrafluoroethylliner liner of reactor, in 120~135 DEG C of reactions
After 2h, centrifuge, be dried to obtain ZnO-Fe3O4-SiO2。
9. a kind of preparation method of anti-electromagnetic radiation antibacterial film being adhered on protective garment according to claim 8, its
It is characterised by, the Fe3O4-SiO2Preparing for nano particle is as follows：With scattered Fe in deionized water3O4Nano-particle, add
5mol/L hydrochloric acid solution and 5mol/L sodium citrate solution stirring 1.5h, Magneto separate obtain MODIFIED Fe3O4Nano particle, will
MODIFIED Fe3O4In the ethanol solution containing 20w% ammoniacal liquor, the tetraethyl orthosilicate that dropwise addition is dispersed with nickel nano powder stirs ultrasonic disperse
24h is mixed, obtained individual layer SiO is washed with water and ethanol Magneto separate2Coat Fe3O4Composite particles, it is scattered in ethanol, deionized water
In the mixed solution of 25w% ammoniacal liquor, and cetyl trimethylammonium bromide ultrasonic disperse 50min is added, be slowly added dropwise scattered
After having the tetraethyl orthosilicate stirring 15h of nickel nano powder, after being washed repeatedly with water and ethanol Magneto separate, obtained solid is true in 60 DEG C
Sky dries 10h, is transferred in tube furnace and is warming up to 350 DEG C of holding 5h under an argon atmosphere with 10 DEG C/min speed, and cooling is taken out,
Obtain Fe3O4-SiO2Nano particle.
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| CN114685975A (en) * | 2020-12-31 | 2022-07-01 | 洛阳尖端技术研究院 | Wave-absorbing composite material and preparation method thereof |
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| CN114715952A (en) * | 2022-03-23 | 2022-07-08 | 三峡大学 | Graphene Fe3O4@SiO2Method for preparing composite particles |
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