CN106377944A - Aminated gelatin-polypropylene composite air filter material and preparation method thereof - Google Patents

Aminated gelatin-polypropylene composite air filter material and preparation method thereof Download PDF

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Publication number
CN106377944A
CN106377944A CN201610803178.9A CN201610803178A CN106377944A CN 106377944 A CN106377944 A CN 106377944A CN 201610803178 A CN201610803178 A CN 201610803178A CN 106377944 A CN106377944 A CN 106377944A
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parts
gelatin
preparation
polypropylene
electret
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谢爱兵
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Anhui Lei Feng Refrigeration Engineering Co Ltd
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Anhui Lei Feng Refrigeration Engineering Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/46—Materials comprising a mixture of inorganic and organic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Filtering Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

The invention discloses an aminated gelatin-polypropylene composite air filter material which is composed of the following raw materials in parts by weight: 50-60 parts of polypropylene, 7-11 parts of silicon monoxide, 9-14 parts of powder activated carbon, 2-4 parts of 3-aminopropyltriethoxy silane coupling agent, 0.6-1.3 parts of glacial acetic acid, a right amount of deionized water, 1-3 parts of low-density polyethylene wax, 0.5-1.5 parts of antioxidant 1010, 0.8-1.5 parts of titanate coupling agent, a right amount of gelatin phosphoric acid buffer solution, 4-9 parts of gelatin, 11-18 parts of diethylenetriamine, 2-5 parts of 1-(3-dimethylaminopropyl)-3-ethyl carbodiimide salt and a right amount of 5 mol/L hydrochloric acid solution. Alpha-quartz-containing silicon nanowires are prepared, and the activated carbon is utilized to carry the silicon nanowires treated by the silane coupling agent and added into the melt-blown polypropylene electret material, thereby effectively enhancing the adsorptivity of the filter material for harmful substances in air. The aminated gelatin-polypropylene composite air filter material has excellent filter efficiency.

Description

A kind of amination gelatin-polypropylene composite materials electret air filtering material and its preparation Method
Technical field
The invention belongs to field of air filtration is and in particular to a kind of amination gelatin-polypropylene composite materials electret air mistake Filter material material and preparation method thereof.
Technical background
With the progress in epoch, the requirement more and more higher to environmental quality for the people.But the fast development of economy exacerbates ring The pollution in border, the dust of in the air, chemical substance, harmful microorganism etc. create harmful effect to the health of people.Therefore, have It is to have significant problem to be solved that effect controls the harmful substance of in the air.The application of air cleaner and filtering material is to purify sky The important means of gas.Normal air filtering material is not thorough for the removal of fine particles, and easily grows on filtering material , there is the possibility of secondary pollution in raw harmful microorganism.Electret air filtering material is to solve this difficult problem to provide possibility.
Electret air filtering material have the advantages that efficiently, low-resistance, energy-conservation, antibacterial, be that a class has application prospect very much Novel air filtering material.The number of electret carried charge and charge decay speed are largely affected product Performance and used life, inorganic or organic additive are added the chargeability that can improve electret in electret filter material, Improve the strainability of electret filter material.
Fault Rong Hui, Shao Mingwang et al. exists《Application study in nano generator for the silicon-carbon nano material》Have studied in one literary composition Application in nano generator for the silicon nanowires, because in silicon nanowires containing this good piezoelectric of alpha-quartz so that silicon Nano wire carries electrostatic charge and shows fabulous electret effect so as to be applied to the exploitation of nano generator.
Therefore, using this characteristic of silicon nanowires, the present invention is applied to electret air filtering field, silicon is received Rice noodles add the electret performance improving electret air filtering material in filtering material, improve the chargeability of electret, improve The strainability of electret filter material.
Content of the invention
Not enough for prior art, the present invention provides a kind of amination gelatin-polypropylene composite materials electret air filtering material Material and preparation method thereof.
A kind of amination gelatin-polypropylene composite materials electret air filtering material, by the raw material components of following weight portion：Poly- Propylene 50-60 part, silicon monoxide 7-11 part, Powdered Activated Carbon 9-14 part, 3- aminopropyl triethoxysilane coupling agent 2-4 part, Glacial acetic acid 0.6-1.3 part, appropriate deionized water, low-density polyethylene wax 1-3 part, antioxidant 1010 0.5-1.5 part, titanate esters Coupling agent 0.8-1.5 part, gelatin phosphate buffer solution is appropriate, gelatin 4-9 part, diethylenetriamine 11-18 part, 1- (3- dimethyl Aminopropyl) -3- ethyl carbodiimide salt 2-5 part, 5mol/L hydrochloric acid solution is appropriate.
Comprise the following steps that：
（1）The preparation of amination gelatin：
Secure ph is the gelatin phosphate buffer solution that 5 mass concentrations are 1%, adds diethylenetriamine, 1- (3- dimethylamino third Base) -3- ethyl carbodiimide salt mixes, and the pH value with 5mol/L hydrochloric acid solution regulation solution is 5, under the conditions of 25-35 DEG C After reaction 4-6 hour, mixed liquor is dialysed 2-4 days, pulverize after freeze-drying and obtain amination gelatin particle；
（2）The preparation of silicon nanowires：
1. the little porcelain boat that, will be equipped with silicon monoxide powder is placed horizontally in the middle of alumina tube, then this pipe is placed on high temperature pipe In formula stove, vacuumize in 80-100Pa, then temperature is increased to respectively 100-200,800-1100 DEG C and is incubated 50-70 respectively Minute, it is warmed up to 1300-1400 DEG C of insulation 3-5 hour afterwards；
2., cool to 550-650 DEG C with the speed of 1-3 DEG C/min afterwards and be incubated 20-40 minute, sky is blasted with 50sccm simultaneously Gas, to furnace chamber, naturally cools to room temperature, obtains silicon nanowires, standby；
（3）The preparation of activated carbon supported silicon nanowires：
1., 3- aminopropyl triethoxysilane coupling agent is added to deionized water, and adjusts pH to 4 with a small amount of glacial acetic acid, Stir 20-40 minute under room temperature, add step afterwards（2）The silicon nanowires obtaining is little in 80-100 DEG C of back flow reaction 11-13 When, suction filtration, washing, drying, obtain silicon amide nanowire composite；
2., the silicon amide obtaining nanowire composite, Powdered Activated Carbon are added to deionized water, with ultrasonic wave 40 DEG C, 20-40 minute is mixed, static aging 24 hours under room temperature, during deionized water cleaning to efflux is in repeatedly under conditions of 150W Property, dry 10-14 hour to constant weight for 110-120 DEG C, then be placed in 380-420 DEG C of roasting 3-5 hour in Muffle furnace, cool down, be dried, Activated carbon supported silicon nanowires is obtained；
（4）Prepared by polypropylene composite materials master batch：
By step（3）The activated carbon supported silicon nanowires of preparation is put in super mixer, adds low-density polyethylene wax, antioxygen Agent 1010 and titanate coupling agent, take out after being sufficiently stirred for, freeze-day with constant temperature 1-3 hour under the conditions of 100-110 DEG C, afterwards will The polypropylene of the silicon nanowires being surface-treated and 1/2 part, step（1）The amination gelatin of preparation adds twin screw compounding extrusion Machine melt extrudes, and through water-bath cooling, cuts granulating, obtains polypropylene composite materials master batch；
（5）Melt-blown preparation technology：
1., polypropylene composite materials master batch is mixed with remaining polypropylene, feeds spinneret with measuring pump in the molten state, , at 200-260 DEG C, at 230-290 DEG C, the FREQUENCY CONTROL of measuring pump is in 20- for the temperature of spinneret for the temperature controlling extruder 30Hz, above-mentioned solution is extruded from spinneret orifice；
2., with high velocity, hot air, the melt extruding spinneret orifice is blown out ultra-fine fiber so as to flying to solidifying lace curtaining and cooling down bonding Form fibre web；
（6）By step（5）The electrode by corona discharge assembly for the fibre web obtaining, electrode discharge makes fibre web electret, obtains final product one kind Amination gelatin-polypropylene composite materials electret air filtering material.
Wherein, described electret positive polarity selects 20-50KV, cathode voltage selection -10-30KV, and electret distance is 5- 20cm.
Compared with prior art, the present invention has advantages below：
（1）The present invention prepares the silicon nanowires containing alpha-quartz, because the volumetric expansion in alpha-quartz forming process is by outer layer Amorphous silica limit and make alpha-quartz create piezo-electric effect, simultaneously by the electric charge of generation be stored in outer layer have good In the amorphous silica layer of good electric charge storge quality, thus showing good electret behavior, by the silicon nanometer of preparation Line is added in melt-blown polypropylene electret material, has both characteristics concurrently, greatly improves electret air filtering material Charge stability, reduce the filtration resistance of filtering material, have brilliance filter efficiency, meanwhile, electret is formed Highfield also there is the function of obvious its breeding of suppression to all kinds of bacteriums.
（2）Activated carbon has abundant pore structure and unique chemical functional group, is environmentally friendly superior adsorbent, The present invention, using the silicon nanowires after the activated carbon supported process through silane coupler, improves the load to silicon nanowires for the activated carbon Amount, both compounding uses can effectively improve the absorption in the air harmful substance for the filtering material, make product have excellent mistake Filter performance.
（3）Gelatin molecule has a large amount of active groups, can adsorb the pernicious gas of in the air, the present invention to a certain extent Gelatin amination is obtained the amination gelatin with cationic property, improve the pernicious gases such as gelatin formaldehyde adsorption, methyl alcohol with And the ability of microbes in air, improve the air filtration performance of product, reach the effect of purify air.
Specific embodiment
A kind of amination gelatin-polypropylene composite materials electret air filtering material, by the raw material components of following weight portion：Poly- Propylene 55, silicon monoxide 10, Powdered Activated Carbon 11,3- aminopropyl triethoxysilane coupling agent 3, glacial acetic acid 0.9, deionized water In right amount, low-density polyethylene wax 2, antioxidant 1010 1.2, titanate coupling agent 1, gelatin phosphate buffer solution is appropriate, gelatin 8, Diethylenetriamine 14,1- (3- dimethyl aminopropyl) -3- ethyl carbodiimide salt 3,5mol/L hydrochloric acid solution is appropriate.
Comprise the following steps that：
（1）The preparation of amination gelatin：
Secure ph is the gelatin phosphate buffer solution that 5 mass concentrations are 1%, adds diethylenetriamine, 1- (3- dimethylamino third Base) -3- ethyl carbodiimide salt mixes, and the pH value with 5mol/L hydrochloric acid solution regulation solution is 5, reacts under the conditions of 30 DEG C After 5 hours, mixed liquor is dialysed 3 days, pulverize after freeze-drying and obtain amination gelatin particle；
（2）The preparation of silicon nanowires：
1. the little porcelain boat that, will be equipped with silicon monoxide powder is placed horizontally in the middle of alumina tube, then this pipe is placed on high temperature pipe In formula stove, vacuumize in 100Pa, then temperature is increased to respectively 200,900 DEG C and is incubated 60 minutes respectively, be warmed up to afterwards 1200 DEG C are incubated 4 hours；
2., cool to 600 DEG C with the speed of 2 DEG C/min afterwards and be incubated 30 minutes, air is blasted to furnace chamber with 50sccm simultaneously, Naturally cool to room temperature, obtain silicon nanowires, standby；
（3）The preparation of activated carbon supported silicon nanowires：
1., 3- aminopropyl triethoxysilane coupling agent is added to deionized water, and adjusts pH to 4 with a small amount of glacial acetic acid, Stir under room temperature 30 minutes, add step afterwards（2）The silicon nanowires obtaining, in 90 DEG C of back flow reaction 12 hours, suction filtration, washes Wash, be dried, obtain silicon amide nanowire composite；
2., the silicon amide obtaining nanowire composite, Powdered Activated Carbon are added to deionized water, with ultrasonic wave 40 DEG C, Mix 30 minutes under conditions of 150W, static aging 24 hours under room temperature, deionized water is cleaned repeatedly to efflux in neutrality, Dry 12 hours to constant weight for 110 DEG C, then be placed in Muffle furnace 400 DEG C of roastings 4 hours, cooling, be dried, activated carbon supported silicon is obtained Nano wire；
（4）Prepared by polypropylene composite materials master batch：
By step（3）The activated carbon supported silicon nanowires of preparation is put in super mixer, adds low-density polyethylene wax, antioxygen Agent 1010 and titanate coupling agent, take out after being sufficiently stirred for, freeze-day with constant temperature 2 hours under the conditions of 100 DEG C, afterwards by surface The polypropylene of the silicon nanowires managed and 1/2 part, step（1）The amination gelatin of preparation adds the melting of twin screw compounding extruder Extrusion, through water-bath cooling, cuts granulating, obtains polypropylene composite materials master batch；
（5）Melt-blown preparation technology：
1., polypropylene composite materials master batch is mixed with remaining polypropylene, feeds spinneret with measuring pump in the molten state, Control extruder temperature at 240 DEG C, the temperature of spinneret at 280 DEG C, the FREQUENCY CONTROL of measuring pump in 30Hz, by above-mentioned solution From spinneret orifice extrusion；
2., with high velocity, hot air, the melt extruding spinneret orifice is blown out ultra-fine fiber so as to flying to solidifying lace curtaining and cooling down bonding Form fibre web；
（6）By step（5）The electrode by corona discharge assembly for the fibre web obtaining, electrode discharge makes fibre web electret, obtains final product one kind Amination gelatin-polypropylene composite materials electret air filtering material.
Wherein, described electret positive polarity selects 40KV, cathode voltage selection -20KV, and electret distance is 10cm.
Properties of product test result：Air penetrability：107.8L/m2.S ；Strength 28.3CD；The pressure loss：88.74Pa；Cross Filter efficiency：99.98%（Filter efficiency is directed to the particle that particle diameter is more than 0.3 μm）.

Claims (3)

1. a kind of amination gelatin-polypropylene composite materials electret air filtering material is it is characterised in that former by following weight portion Material component：Polypropylene 50-60 part, silicon monoxide 7-11 part, Powdered Activated Carbon 9-14 part, 3- aminopropyl triethoxysilane is coupled Agent 2-4 part, glacial acetic acid 0.6-1.3 part, appropriate deionized water, low-density polyethylene wax 1-3 part, antioxidant 1010 0.5-1.5 Part, titanate coupling agent 0.8-1.5 part, gelatin phosphate buffer solution is appropriate, gelatin 4-9 part, diethylenetriamine 11-18 part, 1- (3- dimethyl aminopropyl) -3- ethyl carbodiimide salt 2-5 part, 5mol/L hydrochloric acid solution is appropriate.
2. the preparation of a kind of amination gelatin-polypropylene composite materials electret air filtering material according to claims 1 Method is it is characterised in that comprise the following steps that：
（1）The preparation of amination gelatin：
Secure ph is the gelatin phosphate buffer solution that 5 mass concentrations are 1%, adds diethylenetriamine, 1- (3- dimethylamino third Base) -3- ethyl carbodiimide salt mixes, and the pH value with 5mol/L hydrochloric acid solution regulation solution is 5, under the conditions of 25-35 DEG C After reaction 4-6 hour, mixed liquor is dialysed 2-4 days, pulverize after freeze-drying and obtain amination gelatin particle；
（2）The preparation of silicon nanowires：
1. the little porcelain boat that, will be equipped with silicon monoxide powder is placed horizontally in the middle of alumina tube, then this pipe is placed on high temperature pipe In formula stove, vacuumize in 80-100Pa, then temperature is increased to respectively 100-200,800-1100 DEG C and is incubated 50-70 respectively Minute, it is warmed up to 1300-1400 DEG C of insulation 3-5 hour afterwards；
2., cool to 550-650 DEG C with the speed of 1-3 DEG C/min afterwards and be incubated 20-40 minute, sky is blasted with 50sccm simultaneously Gas, to furnace chamber, naturally cools to room temperature, obtains silicon nanowires, standby；
（3）The preparation of activated carbon supported silicon nanowires：
1., 3- aminopropyl triethoxysilane coupling agent is added to deionized water, and adjusts pH to 4 with a small amount of glacial acetic acid, Stir 20-40 minute under room temperature, add step afterwards（2）The silicon nanowires obtaining is little in 80-100 DEG C of back flow reaction 11-13 When, suction filtration, washing, drying, obtain silicon amide nanowire composite；
2., the silicon amide obtaining nanowire composite, Powdered Activated Carbon are added to deionized water, with ultrasonic wave 40 DEG C, 20-40 minute is mixed, static aging 24 hours under room temperature, during deionized water cleaning to efflux is in repeatedly under conditions of 150W Property, dry 10-14 hour to constant weight for 110-120 DEG C, then be placed in 380-420 DEG C of roasting 3-5 hour in Muffle furnace, cool down, be dried, Activated carbon supported silicon nanowires is obtained；
（4）Prepared by polypropylene composite materials master batch：
By step（3）The activated carbon supported silicon nanowires of preparation is put in super mixer, adds low-density polyethylene wax, antioxygen Agent 1010 and titanate coupling agent, take out after being sufficiently stirred for, freeze-day with constant temperature 1-3 hour under the conditions of 100-110 DEG C, afterwards will The polypropylene of the silicon nanowires being surface-treated and 1/2 part, step（1）The amination gelatin of preparation adds twin screw compounding extrusion Machine melt extrudes, and through water-bath cooling, cuts granulating, obtains polypropylene composite materials master batch；
（5）Melt-blown preparation technology：
1., polypropylene composite materials master batch is mixed with remaining polypropylene, feeds spinneret with measuring pump in the molten state, , at 200-260 DEG C, at 230-290 DEG C, the FREQUENCY CONTROL of measuring pump is in 20- for the temperature of spinneret for the temperature controlling extruder 30Hz, above-mentioned solution is extruded from spinneret orifice；
2., with high velocity, hot air, the melt extruding spinneret orifice is blown out ultra-fine fiber so as to flying to solidifying lace curtaining and cooling down bonding Form fibre web；
（6）By step（5）The electrode by corona discharge assembly for the fibre web obtaining, electrode discharge makes fibre web electret, obtains final product one kind Amination gelatin-polypropylene composite materials electret air filtering material.
3. the preparation of a kind of amination gelatin-polypropylene composite materials electret air filtering material according to claims 2 It is characterised in that electret positive polarity selects 20-50KV, cathode voltage selection -10-30KV, electret distance is 5- to method 20cm.
CN201610803178.9A 2016-09-06 2016-09-06 Aminated gelatin-polypropylene composite air filter material and preparation method thereof Pending CN106377944A (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105727904A (en) * 2016-02-06 2016-07-06 慈溪市梦园果蔬专业合作社 Preparation method of harmful gas adsorbent

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105727904A (en) * 2016-02-06 2016-07-06 慈溪市梦园果蔬专业合作社 Preparation method of harmful gas adsorbent

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
阙荣辉: "硅碳纳米材料在纳米发电机中的应用研究", 《中国博士学位论文全文数据库工程科技II辑（月刊）》 *

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