CN107774046A - One kind is meltblown compound dual-effect filter material and preparation method thereof - Google Patents

One kind is meltblown compound dual-effect filter material and preparation method thereof Download PDF

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Publication number
CN107774046A
CN107774046A CN201711058059.6A CN201711058059A CN107774046A CN 107774046 A CN107774046 A CN 107774046A CN 201711058059 A CN201711058059 A CN 201711058059A CN 107774046 A CN107774046 A CN 107774046A
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China
Prior art keywords
melt
fibre
meltblown
blown
filter material
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Application number
CN201711058059.6A
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Chinese (zh)
Inventor
刘玉桂
金村
张秋华
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Wuxi Wind Technology Co Ltd
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Wuxi Wind Technology Co Ltd
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Priority to CN201711058059.6A priority Critical patent/CN107774046A/en
Publication of CN107774046A publication Critical patent/CN107774046A/en
Pending legal-status Critical Current

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    • 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
    • B01D46/0001—Making filtering elements
    • 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
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • 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
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0216—Bicomponent or multicomponent fibres
    • 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
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0622—Melt-blown
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/25—Coated, impregnated or composite adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Filtering Materials (AREA)
  • Electrostatic Separation (AREA)

Abstract

The present invention is compound dual-effect filter material of melt-blown and preparation method thereof, compound dual-effect filter material is meltblown to be made up of three-dimensional netted fibre net structure, three-dimensional netted fibre net structure is made up of melt-blown micro fibre, melt-blown micro fibre is combined by the short fine winding of modified active carbon fiber and high polymer material melt-blown, is meltblown short fibre and is formed by high polymer material section melt spinning.Preparation method：1) high polymer material section melt spinning is the short fibre of melt-blown；2) modified active carbon fiber is complex as melt-blown micro fibre with being meltblown short fine winding during melt spinning；3) melt-blown micro fibre carries out pre- electrostatic electret processing；4) melt-blown micro fibre networking, three-dimensional netted fibre net structure is formed；5) three-dimensional netted fibre net structure carries out electrostatic electret processing, obtains being meltblown compound dual-effect filter material.Advantages of the present invention：Realize that particle and gaseous contaminant efficiently catch absorption simultaneously, improve dual-effect filter material filter effect, simplify technique, reduce cost.

Description

One kind is meltblown compound dual-effect filter material and preparation method thereof
Technical field
The present invention relates to one kind to be meltblown compound dual-effect filter material and preparation method thereof.
Background technology
World Health Organization's relevant information shows, the whole world every year because of indoor environmental pollution and dead number is up to 2,800,000. Particulate pollutant and gaseous contaminant are all one of source of environmental pollution respectively.68% pregnant woman's fetal anomaly is by room Caused by formaldehyde severe overweight, half a year interior decoration mistake in 90% leukemia children man, 93.6% new in-vehicle air pollution is tight Weight is exceeded, and 90% fitting up of new residence and the test of new furniture formaldehyde are exceeded.And Long Term Contact low dosage formaldehyde, chronic respiratory can be caused Tract disease, cause nasopharyngeal carcinoma, colon cancer, the cancer of the brain, paramenia, pregnancy syndrome, cause neonatal chromosome disorder, white blood Disease, cause teenager's memory and intelligence decline etc..TVOC is also the serious pollutant of room air pollution.
The filtering material of air purifier of prior art can only typically handle granular pattern pollutant, can not handle gaseous state simultaneously Pollutant, the filtering material of air purifier that can handle gaseous state pollutant are typically compound with being meltblown using granular active carbon Into economic benefits and social benefits filter material, removal rate is low, poor filtration effect, and preparation technology flow is complicated, and cost of material is higher.
The content of the invention
Proposed by the present invention is a kind of compound dual-effect filter material of melt-blown and preparation method thereof, and its purpose is intended to overcome now There are technology above shortcomings, realize that particulate pollutant and gaseous contaminant efficiently catch absorption simultaneously.
The technical solution of the present invention：One kind is meltblown compound dual-effect filter material, by three-dimensional netted fibre net structure structure Into three-dimensional netted fibre net structure is made up of melt-blown micro fibre, and melt-blown micro fibre is by modified active carbon fiber and macromolecule material Expect that the short fine winding of melt-blown is combined, be meltblown short fibre and formed by high polymer material section melt spinning.
Preferably, the section of described high polymer material is polypropylene chip, PET is cut into slices, organic glass Glass is cut into slices and one or more kinds of mixing in polylactic acid slice, and melt index is 1800-2500g/ (10min)；It is described PLA be corn and cassava PLA；Described modified active carbon fiber refers to be carried on activity through natural plant extracts On Carbon fibe, and part electret is carried out by native paraffin or rosin；Described natural plant extracts are tannin；Described Part electret refers to native paraffin or rosin fractional load in modified NACF surface so that NACF With part electret bulk properties, load capacity is the 1-5% mass percents of NACF.
A kind of preparation method for being meltblown compound dual-effect filter material, this method comprise the following steps：
1) high polymer material section melt spinning is the short fibre of melt-blown；
2) powder device is blown by modified activated carbon by dislocation type by way of bilateral spiral wind during melt spinning Fiber is complex as melt-blown micro fibre with being meltblown short fine winding；
3) melt-blown micro fibre carries out pre- electrostatic electret processing by pre- electret plate；
4) melt-blown micro fibre is by into lace curtaining networking, forming three-dimensional netted fibre net structure；
5) three-dimensional netted fibre net structure carries out electrostatic electret processing by electret plate, obtains being meltblown compound economic benefits and social benefits filter material Material.
Preferably, the section of described high polymer material is polypropylene chip, PET is cut into slices, organic glass Glass is cut into slices and one or more kinds of mixing in polylactic acid slice, and melt index is 1800-2500g/ (10min).
Preferably, described PLA is corn and cassava PLA.
Preferably, described modified active carbon fiber refers to be carried on NACF through natural plant extracts, and Part electret is carried out by native paraffin or rosin.
Preferably, described natural plant extracts are tannin.
Preferably, described part electret refers to native paraffin or rosin fractional load in modified active carbon fibre Dimension table face so that NACF has part electret bulk properties, and load capacity is the 1-5% mass percents of NACF.
Preferably, described pre- electrostatic electret processing refers to before melt-blown micro fibre networking, i.e., high polymer molten is being The fiber of solid-state is changed into by liquid and during along with crystallization, carries out electrostatic pretreatment to it, high-voltage power voltage is controlled in 10- 40KV。
Preferably, described electrostatic electret processing refers to after melt-blown micro fibre networking, i.e., melt-blown micro fibre has been When constituting three-dimensional netted fibre net structure, electrostatic pretreatment is carried out to it, high-voltage power voltage is controlled in 30-85KV, and is adjusted Save 20-50 DEG C of temperature, humidity 20-60%.
Advantages of the present invention：The drawbacks of present granule shaped activated carbon is combined into economic benefits and social benefits filter material with melt-blown is overcome, using useless It is compound with melt-blown material to abandon modified NACF, while innovatively introduces fiber winding combination process, by active carbon fibre Dimension is interted with being meltblown the short fine two kinds fibers for playing in filtering not same-action in three dimensions to be combined with each other, and it is dirty to realize particle Contaminate thing and gaseous contaminant efficiently catch absorption simultaneously, improve the filter effect of dual-effect filter material, simplify production technology, Production cost is reduced, there is very high promotional value.
Brief description of the drawings
Fig. 1 is the preparation method schematic diagram that the present invention is meltblown compound dual-effect filter material.
1 in figure be melting high polymer material, 2 be hot-air, 3 be dislocation type blow powder device, 4 be pre- electret plate, 5 be into Lace curtaining, 6 are electret plates.
Embodiment
With reference to embodiment and embodiment, the present invention is further detailed explanation.
One kind is meltblown compound dual-effect filter material, is made up of three-dimensional netted fibre net structure, three-dimensional netted fibre net structure by Melt-blown micro fibre is formed, and melt-blown micro fibre is multiple by the short fine winding of modified active carbon fiber (ACF) and high polymer material melt-blown Conjunction forms, and is meltblown short fibre and is formed by high polymer material section melt spinning.
Described high polymer material section is polypropylene (PP) section, PET (PET) is cut into slices, organic One or more kinds of mixing during glass (PMMA) is cut into slices and PLA (PLA) is cut into slices, melt index 1200-3000g/ (10min)。
The melt index of described high polymer material section is preferably 1800-2500g/ (10min).
Described PLA is preferably corn and cassava PLA.
Described modified active carbon fiber refers to be carried on NACF through natural plant extracts, and by natural Wax or rosin carry out part electret.
Described natural plant extracts are tannin.
Described part electret refers to native paraffin or rosin fractional load in modified NACF surface, So that NACF has part electret bulk properties, load capacity is the 1-5% mass percents of NACF.
As shown in figure 1, a kind of preparation method for being meltblown compound dual-effect filter material, this method comprise the following steps：
1) high polymer material section melt spinning is the short fibre of melt-blown；
2) powder device is blown by modified activated carbon by dislocation type by way of bilateral spiral wind during melt spinning Fiber is complex as melt-blown micro fibre with being meltblown short fine winding；
3) melt-blown micro fibre carries out pre- electrostatic electret processing by pre- electret plate；
4) melt-blown micro fibre is by into lace curtaining networking, forming three-dimensional netted fibre net structure；
5) three-dimensional netted fibre net structure carries out electrostatic electret processing by electret plate, obtains being meltblown compound economic benefits and social benefits filter material Material.
Described high polymer material section is polypropylene (PP) section, PET (PET) is cut into slices, organic One or more kinds of mixing during glass (PMMA) is cut into slices and PLA (PLA) is cut into slices, melt index 1200-3000g/ (10min)。
The melt index of described high polymer material section is preferably 1800-2500g/ (10min).
Described PLA is preferably corn and cassava PLA.
Described modified active carbon fiber refers to be carried on NACF through natural plant extracts, and by natural Wax or rosin carry out part electret.
Described natural plant extracts are tannin.
Described part electret refers to native paraffin or rosin fractional load in modified NACF surface, So that NACF has part electret bulk properties, load capacity is the 1-5% mass percents of NACF.
Described pre- electrostatic electret processing refers to that before melt-blown micro fibre networking that is, high polymer molten is turned by liquid It is changed into the fiber of solid-state and during along with crystallization, carries out electrostatic pretreatment to it, high-voltage power voltage is controlled in 10-40KV.
Described electrostatic electret processing refers to that after melt-blown micro fibre networking that is, melt-blown micro fibre has constituted three When tieing up netted fibre net structure, electrostatic pretreatment is carried out to it, high-voltage power voltage is controlled in 30-85KV, and adjusts temperature 20- 50 DEG C, humidity 20-60%.
Embodiment 1
A kind of preparation method for being meltblown compound dual-effect filter material, this method comprise the following steps：
1) for polypropylene chip melt spinning to be meltblown short fibre, polypropylene chip melt index is 1800g/ (10min)；
2) powder device is blown by modified activated carbon by dislocation type by way of bilateral spiral wind during melt spinning Fiber is complex as melt-blown micro fibre with being meltblown short fine winding, and modified active carbon fiber is to be carried on NACF through tannin On, then by native paraffin fractional load in NACF surface so that NACF has part electret bulk properties, load Measure 1% mass percent for NACF；
3) high polymer molten by liquid be changed into solid-state fiber and along with crystallization when, pass through pre- electret plate pair It carries out electrostatic pretreatment, and high-voltage power voltage is controlled in 10KV；
4) melt-blown micro fibre is by into lace curtaining networking, forming three-dimensional netted fibre net structure；
5) to its by electret plate carry out electrostatic pretreatment, high-voltage power voltage control in 30KV, and adjust 20 DEG C of temperature, Humidity 20%, obtain being meltblown compound dual-effect filter material.
Embodiment 2
A kind of preparation method for being meltblown compound dual-effect filter material, this method comprise the following steps：
1) for PET section melt spinning to be meltblown short fibre, polypropylene chip melt index is 2500g/ (10min)；
2) powder device is blown by modified activated carbon by dislocation type by way of bilateral spiral wind during melt spinning Fiber is complex as melt-blown micro fibre with being meltblown short fine winding, and modified active carbon fiber is to be carried on NACF through tannin On, then by natural rosin fractional load in NACF surface so that NACF has part electret bulk properties, bears Carrying capacity is 5% mass percent of NACF；
3) high polymer molten by liquid be changed into solid-state fiber and along with crystallization when, pass through pre- electret plate pair It carries out electrostatic pretreatment, and high-voltage power voltage is controlled in 40KV；
4) melt-blown micro fibre is by into lace curtaining networking, forming three-dimensional netted fibre net structure；
5) to its by electret plate carry out electrostatic pretreatment, high-voltage power voltage control in 85KV, and adjust temperature 50 C, Humidity 60%, obtain being meltblown compound dual-effect filter material.
Embodiment 3
A kind of preparation method for being meltblown compound dual-effect filter material, this method comprise the following steps：
1) for polylactic acid slice melt spinning to be meltblown short fibre, polypropylene chip melt index is 2000g/ (10min)；
2) powder device is blown by modified activated carbon by dislocation type by way of bilateral spiral wind during melt spinning Fiber is complex as melt-blown micro fibre with being meltblown short fine winding, and modified active carbon fiber is to be carried on NACF through tannin On, then by native paraffin fractional load in NACF surface so that NACF has part electret bulk properties, load Measure 3% mass percent for NACF；
3) high polymer molten by liquid be changed into solid-state fiber and along with crystallization when, pass through pre- electret plate pair It carries out electrostatic pretreatment, and high-voltage power voltage is controlled in 20KV；
4) melt-blown micro fibre is by into lace curtaining networking, forming three-dimensional netted fibre net structure；
5) to its by electret plate carry out electrostatic pretreatment, high-voltage power voltage control in 60KV, and adjust 40 DEG C of temperature, Humidity 45%, obtain being meltblown compound dual-effect filter material.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention Protection domain.

Claims (10)

1. one kind is meltblown compound dual-effect filter material, its feature is made up of three-dimensional netted fibre net structure, three-dimensional netted fibre web knot Structure is made up of melt-blown micro fibre, and melt-blown micro fibre is compound by the short fine winding of modified active carbon fiber and high polymer material melt-blown Form, be meltblown short fibre and formed by high polymer material section melt spinning.
A kind of 2. compound dual-effect filter material of melt-blown as claimed in claim 1, it is characterized in that described high polymer material is cut Piece is polypropylene chip, PET section, lucite section and one kind or one kind in polylactic acid slice Mixing above, melt index is 1800-2500g/ (10min)；Described PLA is corn and cassava PLA；Described Modified active carbon fiber refers to be carried on NACF through natural plant extracts, and passes through native paraffin or rosin carry out portion Divide electret；Described natural plant extracts are tannin；Described part electret refers to native paraffin or rosin portion Divide and be carried on modified NACF surface so that NACF has part electret bulk properties, and load capacity is activity The 1-5% mass percents of Carbon fibe.
A kind of 3. preparation method for being meltblown compound dual-effect filter material as claimed in claim 1, it is characterized in that this method bag Include following steps：
1) high polymer material section melt spinning is the short fibre of melt-blown；
2) powder device is blown by modified active carbon fiber by dislocation type by way of bilateral spiral wind during melt spinning Melt-blown micro fibre is complex as with being meltblown short fine winding；
3) melt-blown micro fibre carries out pre- electrostatic electret processing by pre- electret plate；
4) melt-blown micro fibre is by into lace curtaining networking, forming three-dimensional netted fibre net structure；
5) three-dimensional netted fibre net structure carries out electrostatic electret processing by electret plate, obtains being meltblown compound dual-effect filter material.
A kind of 4. preparation method for being meltblown compound dual-effect filter material as claimed in claim 3, it is characterized in that described height Molecular material section is in polypropylene chip, PET section, lucite section and polylactic acid slice One or more kinds of mixing, melt index is 1800-2500g/ (10min).
A kind of 5. preparation method for being meltblown compound dual-effect filter material as claimed in claim 3, it is characterized in that described is poly- Lactic acid is corn and cassava PLA.
A kind of 6. preparation method for being meltblown compound dual-effect filter material as claimed in claim 3, it is characterized in that described changes Property NACF refer to be carried on NACF through natural plant extracts, and carry out part by native paraffin or rosin Electret.
A kind of 7. preparation method for being meltblown compound dual-effect filter material as claimed in claim 3, it is characterized in that described day Right plant extracts is tannin.
A kind of 8. preparation method for being meltblown compound dual-effect filter material as claimed in claim 3, it is characterized in that described portion Electret is divided to refer to native paraffin or rosin fractional load in modified NACF surface so that NACF has There is part electret bulk properties, load capacity is the 1-5% mass percents of NACF.
A kind of 9. preparation method for being meltblown compound dual-effect filter material as claimed in claim 3, it is characterized in that described is pre- The processing of electrostatic electret refers to that before melt-blown micro fibre networking that is, high polymer molten is changed into the fiber of solid-state simultaneously by liquid During along with crystallization, electrostatic pretreatment is carried out to it, high-voltage power voltage is controlled in 10-40KV.
A kind of 10. preparation method for being meltblown compound dual-effect filter material as claimed in claim 3, it is characterized in that described is quiet Electric electret processing refers to that after melt-blown micro fibre networking that is, melt-blown micro fibre has constituted three-dimensional netted fibre net structure When, electrostatic pretreatment is carried out to it, high-voltage power voltage is controlled in 30-85KV, and adjusts 20-50 DEG C of temperature, humidity 20- 60%.
CN201711058059.6A 2017-11-01 2017-11-01 One kind is meltblown compound dual-effect filter material and preparation method thereof Pending CN107774046A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111871071A (en) * 2020-06-17 2020-11-03 吉祥三宝高科纺织有限公司 High-temperature-resistant and corrosion-resistant microporous membrane material for processing mask filter layer
CN112373776A (en) * 2020-09-30 2021-02-19 漳州怡鹭祥康医疗器械有限公司 Intelligent production process for melt-blown fabric information
CN114150436A (en) * 2021-12-06 2022-03-08 美埃(中国)环境科技股份有限公司 Nano fiber composite electret material and preparation method thereof
CN114836901A (en) * 2022-05-30 2022-08-02 江阴市宏勇医疗科技发展有限公司 Production method of activated carbon melt-blown non-woven fabric used as medical and health material

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111871071A (en) * 2020-06-17 2020-11-03 吉祥三宝高科纺织有限公司 High-temperature-resistant and corrosion-resistant microporous membrane material for processing mask filter layer
CN112373776A (en) * 2020-09-30 2021-02-19 漳州怡鹭祥康医疗器械有限公司 Intelligent production process for melt-blown fabric information
CN114150436A (en) * 2021-12-06 2022-03-08 美埃(中国)环境科技股份有限公司 Nano fiber composite electret material and preparation method thereof
CN114150436B (en) * 2021-12-06 2022-10-18 美埃(中国)环境科技股份有限公司 Nano fiber composite electret material and preparation method thereof
CN114836901A (en) * 2022-05-30 2022-08-02 江阴市宏勇医疗科技发展有限公司 Production method of activated carbon melt-blown non-woven fabric used as medical and health material
CN114836901B (en) * 2022-05-30 2023-01-31 江阴市宏勇医疗科技发展有限公司 Production method of activated carbon melt-blown non-woven fabric used as medical and health material

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Application publication date: 20180309