CN107383536A - The preparation method and device of a kind of photocatalysis film - Google Patents

The preparation method and device of a kind of photocatalysis film Download PDF

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CN107383536A
CN107383536A CN201710663090.6A CN201710663090A CN107383536A CN 107383536 A CN107383536 A CN 107383536A CN 201710663090 A CN201710663090 A CN 201710663090A CN 107383536 A CN107383536 A CN 107383536A
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film
areas
photocatalysis
magnetic
induction coil
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CN107383536B (en
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肖荔人
童鹏程
陈庆华
杨松伟
吴仲涛
杨裕金
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Fujian Normal University
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Fujian Normal University
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Abstract

The present invention discloses the preparation method and device of a kind of photocatalysis film, methods described be using vistanex as carrier, addition magnetic photocatalyst, Activation of blowing agent, dispersant, coupling agent, lubricant carry out extruding pelletization, by inflation film manufacturing machine externally-applied magnetic field by carrying out blown film.The inflation film manufacturing machine includes hopper, extruding conveying axis mechanism, blown film device, electromagnetic induction coil and electromagnetic induction coil controller, blowing head opening position of the electromagnetic induction coil frame in blown film device successively；Material enters inflation film manufacturing machine from hopper, is melted, sheared, is blended by extruding conveying axis mechanism, then passes through electromagnetic induction coil, Blown Film from the blowing head of blown film device by blown film device, material.Photocatalysis film of the present invention has a high catalytic efficiency, lightweight, the advantages that recyclable recycling；And the method cost is relatively low, preparation technology is simple.

Description

The preparation method and device of a kind of photocatalysis film
Technical field
The invention belongs to the field of Environment Protection of pollutant treatment, and in particular to the preparation method and dress of a kind of photocatalysis film Put.
Background technology
TiO2It is a kind of typical photochemical catalyst, there is nontoxic, cheap and easy to get, chemical property stabilization, photocatalytic activity height etc. Excellent physical chemical property, it is widely used in the fields such as photocatalytic cleavage water, light degradation pollutant, solar cell.Normal Under the conditions of temperature, TiO2Luminous energy is absorbed, hydroxyl radical free radical OH, superoxide ion O are produced on surface2 -, hydroperoxy HO2Deng tool There is Strong oxdiative reducing activity group, organic matter can be directly degraded to CO2And H2The inorganic molecules such as O.
Magnetic particle can move rapidly, and can lead to because its unique physical property under additional magnetic fields Various methods are crossed to be modified on magnetic particle surface, so that its functionalization, so be widely used in every respect, Such as：Bio-separation, Magnetic resonance imaging, drug delivery etc..Magnetic carrier photochemical catalyst is because there is good light to urge for its own Change active and special magnetic response performance, closed extensively by people in terms of the processing of environment water pollution and photochemical catalyst recovery Note.
Catalysis material is mostly nano-particle material at present, is difficult to separate if sewage disposal application is directly used in, reclaims Difficulty, cause the waste of resource.So how to solve to play TiO well2Simultaneously, and can effectively reclaims photocatalysis performance TiO2The problem of, it is particularly important for us.Prepare TiO2Photocatalytic film, TiO can be played to a certain extent2's Photocatalysis performance, and can reach TiO by the recovery of film2Repeat to recycle, solve TiO2Nano-particle material is dirty in water The problems such as recovery difficulty, the difficulty of dye process field reuse.
Prepare TiO2Photocatalysis film, it can effectively reclaim TiO2Particle, from due to TiO2Particle is lost in, and causes to provide Source wastes, secondary pollution problems, but the TiO prepared2Photocatalysis film is often due to TiO2Particle is in the film by matrix resin The reason for parcel, and can not fully play TiO2Photocatalysis performance.By TiO2It is supported on magnetic powder, in Blown Film During, by adding an externally-applied magnetic field, make TiO2The magnetic powder of load displacement in the presence of externally-applied magnetic field, makes It is as far as possible exposed to the surface of film, the performance TiO of bigger degree2The photocatalysis of photocatalysis film and efficiency.
Expanded material has the excellent properties that some common materials do not possess, and as a kind of carrier material, photochemical catalyst exists More fine dispersion is enough realized in expanded material, improves the contact interface of photochemical catalyst and organic pollution.Prepared composite wood Material has the advantages of lightweight, porosity are high and load capacity is big.
The content of the invention
The purpose of the present invention is to be directed to the deficiency in the presence of prior art, there is provided a kind of preparation method of photocatalysis film And device, by by modified TiO2Be supported on magnetic powder, the photo-catalysis function film of preparation its have high-specific surface area, Good photocatalysis performance and high pay(useful) load amount, realize catalysis material device, convenient use, can reuse, and into This is relatively low, and preparation technology is simple.
The preparation method of the photocatalysis film of the present invention, it is characterised in that：Comprise the following steps：
（1）Appropriate Titanium alkoxides are added into a certain amount of magnetic powder, high puddling is carried out and mixes, stir 10 ~ 60min, mixing speed is 600 ~ 2000 r/min, the addition of Titanium alkoxides is the 1% ~ 80% of magnetic powder quality, by the good magnetic of Titanium alkoxides uniform load Powder takes out, spread out, and place is fully hydrolyzed it in atmosphere, and the material being fully hydrolyzed is put into thermostatic drying chamber and done Dry, drying temperature is 70 ~ 110 DEG C, dries 6-24h；Powder after drying completely, which is put into Muffle furnace, to be calcined, calcining heat For 200 ~ 600 DEG C, 2 ~ 6h is calcined, finally obtains magnetic photocatalyst；
（2）Take 5 ~ 50 parts of steps（1）Obtained magnetic photocatalyst is put into super mixer, sequentially adds 0.5 ~ 2 part of coupling Agent, 1 ~ 20 part of Activation of blowing agent, 15 ~ 20 parts of vector resins, 3 ~ 5 parts of dispersants and 1 ~ 2 part of lubricant stir, and obtain mixture Material, then extruded through double screw extruder, magnetic photocatalytic masterbatch is made；
（3）By step（2）In obtained magnetic photocatalytic masterbatch mixed with matrix resin, masterbatch addition is matrix resin matter The 5% ~ 50% of amount, add in inflation film manufacturing machine, prepare photocatalysis film.
Described coupling agent is at least a kind of selected from silane coupler, titanate coupling agent, aluminate coupling agent；Described Dispersant is at least a kind of selected from Tissuemat E, polypropylene wax, OPE, EVA wax lubricants；Described lubricant is extremely It is rare a kind of selected from aliphatic acid, soap, fatty acid amine, fatty acid ester；The vector resin and matrix resin at least one Kind is selected from low density polyethylene (LDPE) (LDPE), high density polyethylene (HDPE) (HDPE), medium density polyethylene (MDPE), the poly- second of linear, low density Alkene, metallocene linear low density polyethylene；Described magnetic powder is at least a kind of selected from ferroso-ferric oxide powder, three oxidations two Sour two iron powder bodies of iron powder body, four oxygen nickel, and particle diameter is 200-3000 mesh；Described titanate esters are at least a kind of to be selected from the positive fourth of metatitanic acid Ester, tetraisopropyl titanate, tetraethyl titanate.
Step（2）Described Activation of blowing agent is different by 20 ~ 30 parts of foaming agent azodicarbonamides, 1 ~ 2 part of peroxidating two It is scattered resulting with mulser high speed shear after propyl benzene, 5 ~ 10 parts of zinc stearate mixing and in 90 ~ 110 DEG C.
Step（2）The technique of described double-screw extruding pelletizing is：Screw speed is 30 ~ 300rpm/min, barrel temperature It is followed successively by：One 125 ~ 130 DEG C of area, two 130 ~ 135 DEG C of areas, three 135 ~ 140 DEG C of areas, four 140 ~ 145 DEG C of areas, five 145 ~ 150 DEG C of areas, Six 150 ~ 160 DEG C of areas, seven 160 ~ 170 DEG C of areas, eight 170 ~ 180 DEG C of areas, nine 180 ~ 190 DEG C of areas, ten 145 ~ 150 DEG C of areas.
Step（3）Described inflation film manufacturing machine parameter is：Screw speed is 30 ~ 150rpm/min, and film blowing machine barrel temperature is successively For：One 125 ~ 135 DEG C of area, two 165 ~ 175 DEG C of areas, three 190 ~ 200 DEG C of areas, four 180 ~ 190 DEG C of areas.
The present invention can control the magnetic field size of electromagnetic induction coil in inflation film manufacturing machine is added, its electromagnetic induction coil Magnetic induction intensity is 0.4-0.7T（Tesla）, preferably magnetic induction intensity is 0.6T（Tesla）, and prepare preferable light and urge Change the photocatalysis film of effect.
Present invention photocatalysis film obtained above is applied to the degraded to quadracycline.
Inflation film manufacturing machine used in the preparation method of photocatalysis film of the present invention, it is characterised in that the inflation film manufacturing machine is successively Including hopper, extruding conveying axis mechanism, blown film device, electromagnetic induction coil and electromagnetic induction coil controller, electromagnetic induction line Blowing head opening position of the coil in blown film device；Material enters inflation film manufacturing machine from hopper, is melted by extruding conveying axis mechanism Melt, shear, be blended, then by blown film device, material, by electromagnetic induction coil, is blow molded into from the blowing head of blown film device Film.
Beneficial effects of the present invention are：1. raw material of the present invention is cheap and easy to get, technique is simple, suitable for industrialized production；2. make Standby composite photocatalysis film, has high-specific surface area, photocatalysis performance good；3. the present invention is used for Industrial Waste Water Treatments, effectively drop Polluting waste is solved, repeats and utilizes.
Brief description of the drawings
Fig. 1 is to apply the 100min under visible light conditions of the photocatalysis film prepared by 1-4 of the embodiment of the present invention, to hydrochloric acid The light degradation effect contrast figure of tetracycline.
Fig. 2 is apparatus of the present invention figure.
Embodiment
Below by example, the present invention will be further elaborated, is easy to be better understood from present disclosure, but, institute Citing is not intended to limit protection scope of the present invention.
Embodiment 1：
（1）10kg ferroferric oxide powders are put into high speed agitator high speed stirring 3min；By 4.33L tetrabutyl titanates point 3 In secondary addition high-speed mixer, high-speed stirred 8min, make its uniform load on ferroferric oxide powder；Uniform load is good Ferroferric oxide powder takes out, spread out, places 10h in atmosphere, is fully hydrolyzed it；Complete ferroso-ferric oxide powder will be hydrolyzed End, which is put into thermostatic drying chamber at 95 DEG C, dries 10h；The complete ferroferric oxide powder of drying is put into Muffle furnace, in 450 5h is calcined at DEG C, obtains TiO2Load capacity accounts for 10% TiO of ferroferric oxide powder dosage2Load the magnetic light of ferroso-ferric oxide Catalyst.
（2）2 kg foaming agents azodicarbonamides, 0.12 kg cumyl peroxides, 0.5 kg stearic acid are mixed in 100 DEG C, with the scattered resulting Activation of blowing agent of mulser high speed shear.
（3）By 6kg steps（1）The magnetic photocatalyst of acquisition is added in homogenizer and stirred, and then adds 0.1kg titaniums Acid esters coupling agent carries out coupling processing 5min；Add step（2）1.3kg Activation of blowing agent, 2kgLDPE, 0.35kg of acquisition 10 min are blended under the conditions of the r/min of rotating speed 1000 in stearic acid, 0.35kg polypropylene waxes；Mixed material is placed in double spiral shells In bar extruder, extruder barrel temperature is controlled：One 125 DEG C of area, 135 DEG C of 2nd area, 138 DEG C of 3rd area, 145 DEG C of 4th area, five areas 154 DEG C, 158 DEG C of 6th area, 165 DEG C of 7th area, 175 DEG C of 8th area, 185 DEG C of 9th area, 160 DEG C of tenth area, obtain photo-catalysis function masterbatch.
（4）0.25kg photochemical catalysts masterbatch is uniformly mixed with 0.94kgHDPE；The material uniformly mixed is placed in and blown In film machine, film blowing machine barrel temperature；128 DEG C of one area of barrel, 175 DEG C of 2nd area of barrel, 190 DEG C of 3rd area of barrel, die head temperature 180 ℃；Obtain magnetic photocatalyst load capacity and account for the photocatalysis film of resin demand 12%.
Embodiment 2：
（1）10kg ferroferric oxide powders are put into high speed agitator high speed stirring 3min；By 4.33L tetrabutyl titanates point 3 In secondary addition high-speed mixer, high-speed stirred 8min, make its uniform load on ferroferric oxide powder；Uniform load is good Ferroferric oxide powder takes out, spread out, places 10h in atmosphere, is fully hydrolyzed it；Complete ferroso-ferric oxide powder will be hydrolyzed End, which is put into thermostatic drying chamber at 95 DEG C, dries 10h；The complete ferroferric oxide powder of drying is put into Muffle furnace, in 450 5h is calcined at DEG C, obtains TiO2Load capacity accounts for 10% TiO of ferroferric oxide powder dosage2Load the magnetic light of ferroso-ferric oxide Catalyst.
（2）2 kg foaming agents azodicarbonamides, 0.12 kg cumyl peroxides, 0.5 kg stearic acid are mixed in 100 DEG C, with the scattered resulting Activation of blowing agent of mulser high speed shear.
（3）By 6kg steps（1）The magnetic photocatalyst of acquisition is added in homogenizer and stirred, and then adds 0.1kg titaniums Acid esters coupling agent carries out coupling processing 5min；Add step（2）1.3kg Activation of blowing agent, 2kgLDPE, 0.35kg of acquisition 10 min are blended under the conditions of the r/min of rotating speed 1000 in stearic acid, 0.35kg polypropylene waxes；Mixed material is placed in double spiral shells In bar extruder, extruder barrel temperature is controlled：One 125 DEG C of area, 135 DEG C of 2nd area, 138 DEG C of 3rd area, 145 DEG C of 4th area, five areas 154 DEG C, 158 DEG C of 6th area, 165 DEG C of 7th area, 175 DEG C of 8th area, 185 DEG C of 9th area, 160 DEG C of tenth area, obtain photo-catalysis function masterbatch.
（4）0.25kg photochemical catalysts masterbatch is uniformly mixed with 0.94kgHDPE；The material uniformly mixed is placed in and blown In film machine, film blowing machine barrel temperature；128 DEG C of one area of barrel, 175 DEG C of 2nd area of barrel, 190 DEG C of 3rd area of barrel, die head temperature 180 ℃；Electromagnetic induction coil controller, control electromagnetic induction coil magnetic field size are adjusted, the magnetic induction intensity of electromagnetic induction coil is 0.6T（Tesla）, obtain magnetic photocatalyst load capacity and account for the photocatalysis film of resin demand 12%.
Embodiment 3：
（1）10kg ferroferric oxide powders are put into high speed agitator high speed stirring 3min；By 4.33L tetrabutyl titanates point 3 High-speed stirred 10min, it is to make its uniform load on ferroferric oxide powder in secondary addition high-speed mixer；By uniform load Good ferroferric oxide powder takes out, spread out, places 10h in atmosphere, is fully hydrolyzed it；Complete four oxidation three will be hydrolyzed Iron powder, which is put into thermostatic drying chamber at 95 DEG C, dries 10h；The complete ferroferric oxide powder of drying is put into Muffle furnace, in 5h is calcined at 450 DEG C, obtains TiO2Load capacity accounts for 10% TiO of ferroferric oxide powder dosage2Load the magnetic of ferroso-ferric oxide Property photochemical catalyst.
（2）2 kg foaming agents azodicarbonamides, 0.12 kg cumyl peroxides, 0.5 kg stearic acid are mixed in 100 DEG C, with the scattered resulting Activation of blowing agent of mulser high speed shear.
（3）By 6kg steps（1）The magnetic photocatalyst of acquisition is added in homogenizer and stirred, and then adds 0.1kg titaniums Acid esters coupling agent carries out coupling processing 5min；Add step（2）1.3kg Activation of blowing agent, 2kgLDPE, 0.35kg of acquisition 10 min are blended under the conditions of the r/min of rotating speed 1000 in stearic acid, 0.35kg polypropylene waxes；Mixed material is placed in double spiral shells In bar extruder, extruder barrel temperature is controlled：One 127 DEG C of area, 135 DEG C of 2nd area, 140 DEG C of 3rd area, 145 DEG C of 4th area, five areas 154 DEG C, 158 DEG C of 6th area, 165 DEG C of 7th area, 175 DEG C of 8th area, 185 DEG C of 9th area, 160 DEG C of tenth area, obtain photo-catalysis function masterbatch.
（4）0.25kg photochemical catalysts masterbatch is uniformly mixed with 0.625kgHDPE；The material uniformly mixed is placed in and blown In film machine, film blowing machine barrel temperature；125 DEG C of one area of barrel, 175 DEG C of 2nd area of barrel, 190 DEG C of 3rd area of barrel, die head temperature 180 ℃；Obtain magnetic powder photocatalyst amount and account for the photocatalysis film of resin demand 15%.
Embodiment 4：
（1）10kg ferroferric oxide powders are put into high speed agitator high speed stirring 3min；By 4.33L tetrabutyl titanates point 3 In secondary addition high-speed mixer, high-speed stirred 10min, make its uniform load on ferroferric oxide powder；Uniform load is good Ferroferric oxide powder take out, spread out, place 10h in atmosphere, be fully hydrolyzed it；Complete ferroso-ferric oxide will be hydrolyzed Powder, which is put into thermostatic drying chamber at 95 DEG C, dries 10h；The complete ferroferric oxide powder of drying is put into Muffle furnace, in 5h is calcined at 450 DEG C, obtains TiO2Load capacity accounts for 10% TiO of ferroferric oxide powder dosage2Load the magnetic of ferroso-ferric oxide Property photochemical catalyst.
（2）2 kg foaming agents azodicarbonamides, 0.12 kg cumyl peroxides, 0.5 kg stearic acid are mixed in 100 DEG C, with the scattered resulting Activation of blowing agent of mulser high speed shear.
（3）By 6kg steps（1）The magnetic photocatalyst of acquisition is added in homogenizer and stirred, and then adds 0.1kg titaniums Acid esters coupling agent carries out coupling processing 5min；Add step（2）1.3kg Activation of blowing agent, 2kgLDPE, 0.35kg of acquisition 10 min are blended under the conditions of the r/min of rotating speed 1000 in stearic acid, 0.35kg polypropylene waxes；Mixed material is placed in double spiral shells In bar extruder, extruder barrel temperature is controlled：One 127 DEG C of area, 135 DEG C of 2nd area, 140 DEG C of 3rd area, 145 DEG C of 4th area, five areas 154 DEG C, 158 DEG C of 6th area, 165 DEG C of 7th area, 175 DEG C of 8th area, 185 DEG C of 9th area, 160 DEG C of tenth area, obtain photo-catalysis function masterbatch.
（4）0.25kg photochemical catalysts masterbatch is uniformly mixed with 0.625kgHDPE；The material uniformly mixed is placed in and blown In film machine, film blowing machine barrel temperature；125 DEG C of one area of barrel, 175 DEG C of 2nd area of barrel, 190 DEG C of 3rd area of barrel, die head temperature 180 ℃；Electromagnetic induction coil controller, control electromagnetic induction coil magnetic field size are adjusted, the magnetic induction intensity of electromagnetic induction coil is 0.4T（Tesla）, obtain magnetic photocatalyst load capacity and account for the photocatalysis film of resin demand 15%.
Embodiment 5：
The light degradation that any prepared photocatalysis film is carried out to quadracycline in 1-4 of the embodiment of the present invention is tested, After irradiating 100min under visible light conditions, result of the test is shown in that Fig. 1, Fig. 1 are using the photocatalysis prepared by 1-4 of the embodiment of the present invention Film 100min under visible light conditions, the light degradation effect contrast figure to quadracycline, as can be seen from Figure 1 the present invention is to hydrochloric acid Tetracycline has preferable degradation.
Embodiment 6：
Inflation film manufacturing machine used in above-described embodiment 1-4, as shown in Fig. 2 including hopper 1, extruding conveying axis mechanism 2, blown film dress successively 3, electromagnetic induction coil 4 and electromagnetic induction coil controller 5 are put, electromagnetic induction coil 4 is controlled by electromagnetic induction coil controller 5 Work, opening position of the frame of electromagnetic induction coil 4 outside blowing head 6；From hopper 1 when entering blown film device 3, blown film fills material Prior art products are set to, extruding conveying axis mechanism 2 is first passed through and is melted, sheared, is blended, extruding conveying axis mechanism 2 is existing There are technical products, then by the blowing head 6 in blown film device, electromagnetic induction line is controlled by electromagnetic induction coil controller The magnetic field size of circle 4, by the effect in the magnetic field of electromagnetic induction coil 4, the magnetic field size of electromagnetic induction coil can be controlled, it is electric The magnetic induction intensity of magnetic induction coil is 0.4-0.7T（Tesla）, preferably magnetic induction intensity is 0.6T（Tesla）, and be blow molded Go out the photocatalysis film 7 of preferable photocatalysis effect.
Above-mentioned embodiment is the further description to the present patent application, but the model of the claims in the present invention protection Enclose and be not limited to scope described in embodiment, it is all using equivalent substitution or the technical scheme of equivalent deformation, all fall within The protection domain of the claims in the present invention.

Claims (8)

  1. A kind of 1. preparation method of photocatalysis film, it is characterised in that：Comprise the following steps：
    （1）Appropriate Titanium alkoxides are added into a certain amount of magnetic powder, high puddling is carried out and mixes, stir 10 ~ 60min, mixing speed is 600 ~ 2000 r/min, the addition of Titanium alkoxides is the 1% ~ 80% of magnetic powder quality, by the good magnetic of Titanium alkoxides uniform load Powder takes out, spread out, and place is fully hydrolyzed it in atmosphere, and the material being fully hydrolyzed is put into thermostatic drying chamber and done Dry, drying temperature is 70 ~ 110 DEG C, dries 6-24h；Powder after drying completely, which is put into Muffle furnace, to be calcined, calcining heat For 200 ~ 600 DEG C, 2 ~ 6h is calcined, finally obtains magnetic photocatalyst；
    （2）Take 5 ~ 50 parts of steps（1）Obtained magnetic photocatalyst is put into super mixer, sequentially adds 0.5 ~ 2 part of coupling Agent, 1 ~ 20 part of Activation of blowing agent, 15 ~ 20 parts of vector resins, 3 ~ 5 parts of dispersants and 1 ~ 2 part of lubricant stir, and obtain mixture Material, then extruded through double screw extruder, magnetic photocatalytic masterbatch is made；
    （3）By step（2）In obtained magnetic photocatalytic masterbatch mixed with matrix resin, masterbatch addition is matrix resin matter The 5% ~ 50% of amount, add in inflation film manufacturing machine, prepare photocatalysis film.
  2. 2. the preparation method of a kind of photocatalysis film according to claim 1, it is characterised in that described coupling agent is at least Have a kind of selected from silane coupler, titanate coupling agent, aluminate coupling agent；Described dispersant is at least a kind of to be selected from poly- second Alkene wax, polypropylene wax, OPE, EVA wax lubricants；Described lubricant is at least a kind of selected from aliphatic acid, fat Hydrochlorate, fatty acid amine, fatty acid ester；The vector resin is selected from low density polyethylene (LDPE) with matrix resin at least one kind (LDPE), high density polyethylene (HDPE) (HDPE), medium density polyethylene (MDPE), linear low density polyethylene (LLDPE), metallocene linear are low close Spend polyethylene；Described magnetic powder is at least a kind of selected from ferroso-ferric oxide powder, ferric oxide powder, four oxygen nickel acid two Iron powder body, and particle diameter is 200-3000 mesh；Described titanate esters it is at least a kind of selected from tetrabutyl titanate, tetraisopropyl titanate, Tetraethyl titanate.
  3. A kind of 3. preparation method of photocatalysis film according to claim 1, it is characterised in that step（2）Described activation Foaming agent is by after 20 ~ 30 parts of foaming agent azodicarbonamides, 1 ~ 2 part of cumyl peroxide, 5 ~ 10 parts of zinc stearate mixing And in 90 ~ 110 DEG C, it is scattered resulting with mulser high speed shear.
  4. 4. according to a kind of preparation method of any described photocatalysis films of claim 1-3, it is characterised in that step（2）It is described The technique of double-screw extruding pelletizing be：Screw speed is 30 ~ 300rpm/min, and barrel temperature is followed successively by：One area 125 ~ 130 DEG C, two 130 ~ 135 DEG C of areas, three 135 ~ 140 DEG C of areas, four 140 ~ 145 DEG C of areas, five 145 ~ 150 DEG C of areas, six 150 ~ 160 DEG C of areas, 7th area 160 ~ 170 DEG C, eight 170 ~ 180 DEG C of areas, nine 180 ~ 190 DEG C of areas, ten 145 ~ 150 DEG C of areas.
  5. A kind of 5. preparation method of photocatalysis film according to claim 4, it is characterised in that step（3）Described blown film Machine parameter is：Screw speed is 30 ~ 150rpm/min, and film blowing machine barrel temperature is followed successively by：One 125 ~ 135 DEG C of area, two areas 165 ~ 175 DEG C, three 190 ~ 200 DEG C of areas, four 180 ~ 190 DEG C of areas.
  6. A kind of 6. preparation method of photocatalysis film according to claim 4, it is characterised in that in inflation film manufacturing machine is added, control The magnetic field size of electromagnetic induction coil processed, the magnetic induction intensity of its electromagnetic induction coil is 0.4-0.7T, and prepares photocatalysis Film.
  7. 7. photocatalysis film made from any described preparation methods of claim 1-6 is applied to the degraded to quadracycline.
  8. 8. the inflation film manufacturing machine used in the preparation method of any described photocatalysis films of claim 1-6, it is characterised in that described to blow Film machine includes hopper, extruding conveying axis mechanism, blown film device, electromagnetic induction coil and electromagnetic induction coil controller, electricity successively Blowing head opening position of the line of magnetic induction coil in blown film device；Material enters inflation film manufacturing machine from hopper, by extruding feeding shaft machine Structure is melted, sheared, is blended, then by blown film device, material from the blowing head of blown film device by electromagnetic induction coil, Blown Film.
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CN114854078A (en) * 2022-06-02 2022-08-05 钟肃森 Scratch-resistant polyethylene foaming master batch and preparation method thereof
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