CN108468156A - Technique and its application of electrostatic net are pierced using polypropylene electrostatic fibre and Dralon production needle - Google Patents

Technique and its application of electrostatic net are pierced using polypropylene electrostatic fibre and Dralon production needle Download PDF

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Publication number
CN108468156A
CN108468156A CN201810227473.3A CN201810227473A CN108468156A CN 108468156 A CN108468156 A CN 108468156A CN 201810227473 A CN201810227473 A CN 201810227473A CN 108468156 A CN108468156 A CN 108468156A
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CN
China
Prior art keywords
electrostatic
net
dralon
needle
polypropylene
Prior art date
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Pending
Application number
CN201810227473.3A
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Chinese (zh)
Inventor
冷纯廷
邢天宝
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Jilin Huafang Electrostatic Mstar Technology Ltd
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Jilin Huafang Electrostatic Mstar Technology Ltd
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Priority to CN201810227473.3A priority Critical patent/CN108468156A/en
Publication of CN108468156A publication Critical patent/CN108468156A/en
Pending legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0032Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282Addition polymers
    • D04H1/4291Olefin series
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282Addition polymers
    • D04H1/43Acrylonitrile series
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres

Abstract

Technique and its application of electrostatic net are pierced using polypropylene electrostatic fibre and Dralon production needle,Belong to new material processing technique field,Under conditions of in workshop, relative humidity reaches 80%~100%,Apply antistatic agent on fibrous raw material in advance,The fibrous raw material for being applied with antistatic agent is mixed successively by preset ratio,Thick shredding,Smart shredding,It quantifies to cotton,It combs,Lapping,Three needles pierce process consolidation molding,Calendering,Cut roll,It examines,Obtain needle thorn electrostatic net finished product,The needle that production technology through the present invention obtains pierces electrostatic net,Electrostatic charge is evenly distributed and stablizes,Half degradation period is long,Electrostatic field intensity is high,Electrostatic charge Coulomb force is big,It is strong to dust in air adsorption capacity,Air drag is small,Filter efficiency is high,Dust containing capacity is big,Production cost is low,It can be widely applied to air purifier,Intelligent air conditioner and empty net integration apparatus,It also can apply to motorcar air conditioner and protective mask.

Description

Using polypropylene electrostatic fibre and Dralon production needle pierce electrostatic net technique and It is applied
Technical field
The invention belongs to new material processing technique fields, more particularly to polypropylene electrostatic fibre and Dralon is utilized to give birth to Produce technique and its application of needle thorn electrostatic net.
Background technology
With gradually increasing for people's environmental consciousness, indoor air purification increasingly causes the great attention of people.So In recent years, air purifier, Intelligent air conditioner and empty net integration apparatus growth momentum are powerful, market rigid demand amount is big. This just provides huge application market space to electrostatic fibrous filter web, and the demand of electrostatic fibrous filter web increasingly increases. Either indoor and outdoor air clarifier or Intelligent air conditioner and empty net integration apparatus or motorcar air conditioner and protection Type mask etc. all be unable to do without electrostatic fibrous filter web.Scavenging material in the market, there is common electrostatic fibrous filter web at present, There is melt-blow nonwoven electret electro static filtering net, also there is needle point method electrostatic fibrous filter web, also high-tech Static Spinning to stay Polar body electrostatic net etc..These electro static filtering nets are all relatively popular in the market in scavenging material, and application effect is also relatively good.Especially It is electrostatic precipitation significant effect, not only has good interception and capture effect to larger dust particle, but also for super Fine dust particulate matter (diameter range is in 0.01um~0.30um) Electrostatic Absorption effect is also very good.Because in haze air Dust particles ingredient is sufficiently complex, there is some pernicious gases, such as formaldehyde, benzene, ammonia etc., the purification of common electrostatic fibrous filter net Effect just seems very faint.Minnesota Mining and Manufacturing Company successively develops needle thorn electrostatic fibrous filter web and Static Spinning electret electrostatic Net, at home and abroad scavenging material is all relatively popular in the market, and application amount is also bigger, but expensive, and retail price is high Up to 500,000 yuan/ton~650,000 yuan/ton.Existing polypropylene electrostatic staple fiber needle pierces electro static filtering net, efficient low-resistance, application effect Also ideal, still, electrostatic master batch application percentage hour, electrostatic charge is distributed not uniform enough and unstable, electrostatic field intensity Not very ideal, electrostatic charge Coulomb force is smaller, so, insufficient is shown slightly to dust in air adsorption capacity.Prior art solution The certainly method of this technical problem exactly increases the mixed proportion of electrostatic master batch, however, production cost can increase considerably, shadow Ring the competitiveness of product in market.Therefore there is an urgent need for a kind of novel technical solutions to solve the problems, such as this in the prior art.
Invention content
The technical problem to be solved by the present invention is to:It provides and is pierced using polypropylene electrostatic fibre and Dralon production needle The technique of electrostatic net, the feature for making full use of Dralon electrostatic big, to make up polypropylene electrostatic staple fiber filter screen electrostatic Lotus is unstable and is unevenly distributed, to also enhance the electrostatic field of electrostatic net and the Coulomb force of charge, the production through the present invention The needle thorn electrostatic net that technique obtains can be widely applied to air purifier, Intelligent air conditioner and empty net integration apparatus, moreover it is possible to Applied to motorcar air conditioner and protective mask etc..
The present invention adopts the following technical scheme that:Electrostatic net is pierced using polypropylene electrostatic fibre and Dralon production needle Technique, which is characterized in that include the following steps:
Step 1: weighing fibrous raw material, the fibrous raw material is made of polypropylene electrostatic fibre and Dralon, wherein Polypropylene electrostatic fibre weight percent is 55%~90%, and Dralon weight percent is 10%~45%, in workshop Under conditions of relative humidity reaches 80%~100%, apply antistatic agent on fibrous raw material in advance, antistatic agent is former with fiber Expect that weight percent is 0.05%~0.10%, the fibrous raw material for being applied with antistatic agent is mixed successively by preset ratio Conjunction, thick shredding, smart shredding, it is quantitative form uniform web to cotton, combing, lapping, web thickness is 8mm~15mm;
Step 2: the web obtained in step 1 is obtained needle thorn electrostatic net half through the thorn process consolidation molding of three needles Finished product;
Step 3: according to technological requirement, the needle obtained in step 2 thorn electrostatic net semi-finished product are subjected to calendering, cut roll, inspection Processing is tested, needle thorn electrostatic net finished product is obtained.
The fineness of the Dralon ranging from 2.22dtex~6.67dtex, length range are 38mm~65mm.
The antistatic agent is peregal JL-3.
The antistatic agent is applied to by way of spray on fibrous raw material.
The needle thorn electrostatic net finished product produced through step 1 to step 3, the grammes per square metre scope is 50 grams/m~70 grams/it is flat Square rice.
It is a kind of to be pierced made from the technique of electrostatic net using polypropylene electrostatic fibre and Dralon production needle by described Needle pierces electrostatic net and is applied to air purifier, Intelligent air conditioner, empty net integration apparatus, motorcar air conditioner or protective mask In.
By above-mentioned design scheme, the present invention can bring following advantageous effect:The present invention is to make full use of acrylonitrile fine The big feature of electrostatic is tieed up, it is unstable and be unevenly distributed to make up existing polypropylene electrostatic staple fiber filter screen electrostatic charge, to Also enhance the electrostatic field of electrostatic net and the Coulomb force of charge.Fibrous raw material is by polypropylene electrostatic fibre and Dralon group At, wherein polypropylene electrostatic fibre weight percent is 55%~90%, and Dralon weight percent is 10%~45%, Using needle-punched non-woven production technology, needle thorn electrostatic net (50 grams/m~100 grams/m) is made, needle thorn is quiet Power grid air drag is less than 3.0Pa, and PM2.5 filter efficiencies 100%, especially to ultra tiny dust particles, (diameter range exists 0.01um~0.30um) filter efficiency be more than 70%.And Minnesota Mining and Manufacturing Company's Static Spinning electret electrostatic net, to fine dust The filter efficiency of grain only has 40%~45%, dust containing capacity 100mg/ ㎡ h~150mg/ ㎡ h.The present invention in contrast, mistake Filter efficiency improves 50%~60%;Air drag reduces 10%~30%;Dust containing capacity is doubled more.Through the present invention's The needle that production technology obtains pierces electrostatic net, and electrostatic charge is evenly distributed and stablizes, and half degradation period is long, and electrostatic field intensity is high, electrostatic charge Coulomb force is big, strong to dust in air adsorption capacity, and air drag is small, and filter efficiency is high, and dust containing capacity is big, and production cost is low, can To be widely used in air purifier, Intelligent air conditioner and empty net integration apparatus, moreover it is possible to be applied to motorcar air conditioner and protection Type mask etc..
Description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated:
Fig. 1 is the process flow chart that the present invention produces that needle pierces electrostatic net using polypropylene electrostatic fibre and Dralon.
Specific implementation mode
The present invention proposes a kind of technique for piercing electrostatic net using polypropylene electrostatic fibre and Dralon production needle, such as Shown in Fig. 1, include the following steps:
Step 1: weighing fibrous raw material, the fibrous raw material is made of polypropylene electrostatic fibre and Dralon, wherein Polypropylene electrostatic fibre weight percent is 55%~90%, and Dralon weight percent is 10%~45%, in workshop Under conditions of relative humidity reaches 80%~100%, apply antistatic agent on fibrous raw material in advance, antistatic agent is former with fiber Expect that weight percent is 0.05%~0.10%, the fibrous raw material for being applied with antistatic agent is mixed successively by preset ratio Conjunction, thick shredding, smart shredding, it is quantitative form uniform web to cotton, combing, lapping, web thickness is 8mm~15mm;
Step 2: the web obtained in step 1 is obtained needle thorn electrostatic net half through the thorn process consolidation molding of three needles Finished product;
Step 3: according to technological requirement, the needle obtained in step 2 thorn electrostatic net semi-finished product are subjected to calendering, cut roll, inspection Processing is tested, needle thorn electrostatic net finished product is obtained.
The fineness of the Dralon ranging from 2.22dtex~6.67dtex, length range are 38mm~65mm.
The antistatic agent is peregal JL-3.
The antistatic agent is applied to by way of spray on fibrous raw material.
The needle thorn electrostatic net finished product produced through step 1 to step 3, the grammes per square metre scope is 50 grams/m~70 grams/it is flat Square rice.
Fibrous raw material is made of polypropylene electrostatic fibre and Dralon, since polypropylene electrostatic fibre and acrylonitrile are fine It ties up and all carries stronger electrostatic charge, opening packet mixing with thick opening processes, fibre frictoin electrifies, and at all can not under normal condition Mixing.So packet mixing is completed out, except using in addition to ion battery plate, it is necessary to make workshop relative humidity reach 80%~ 100%, apply readily volatilized antistatic agent in right amount on fibrous raw material.It only in this way just can guarantee two kinds of fibers to open packet mixed When conjunction, reduce electrostatic repulsion and electrostatic accumulation, smoothly completes out packet mixing, reach mixed uniformly purpose.It compares relatively thin For the electrostatic net of same Gram Mass (50 grams/m~70 grams/m), general fibre prickling electrostatic net pair The ultra tiny dust particles of 0.3um and the filter efficiency of pernicious gas can only achieve 30%~50%.In order to meet different clients Particular/special requirement, it is necessary to using two or more fibers mix, by between them friction and the electrostatic charge of itself, realize To ultra tiny dust particle and pernicious gas, there is higher filter efficiency.The needle thorn that production technology through the present invention obtains Electrostatic net (50 grams/m~70 grams/m) is high to the filter efficiency of ultra tiny dust particle and other pernicious gases Up to 70%~75%, the technical conditions requirement of special operation condition disclosure satisfy that, be called efficient needle thorn electrostatic net thus.
The present invention is the feature for making full use of Dralon electrostatic big, to make up existing polypropylene electrostatic staple fiber filtering Net electrostatic charge is unstable and is unevenly distributed, to also enhance the electrostatic field of electrostatic net and the Coulomb force of charge.Fibrous raw material It is made of polypropylene electrostatic fibre and Dralon, wherein polypropylene electrostatic fibre weight percent is 55%~90%, third Alkene nitrile fiber weight percentage is 10%~45%, and using needle-punched non-woven production technology, needle thorn electrostatic net (50 is made Gram/m~100 grams/m), the needle pierce electrostatic net air drag be less than 3.0Pa, PM2.5 filter efficiencies 100%, especially It is to be more than 70% to the filter efficiency of ultra tiny dust particles (diameter range is in 0.01um~0.30um).And Minnesota Mining and Manufacturing Company Static Spinning electret electrostatic net only has 40%~45% to the filter efficiency of fine dust particle, and dust containing capacity 100mg/ ㎡ h~ 150mg/㎡·h.In contrast, filter efficiency improves 50%~60% to the present invention;Air drag reduces 10%~ 30%;Dust containing capacity is doubled more.The obtained needle of production technology through the present invention pierces electrostatic net, and electrostatic charge is evenly distributed and surely Fixed, half degradation period is long, and electrostatic field intensity is high, and electrostatic charge Coulomb force is big, strong to dust in air adsorption capacity, and air drag is small, Filter efficiency is high, and dust containing capacity is big, and production cost is low, can be widely applied to air purifier, Intelligent air conditioner and empty net one Change equipment, moreover it is possible to be applied to motorcar air conditioner and protective mask etc..

Claims (6)

1. utilizing the technique of polypropylene electrostatic fibre and Dralon production needle thorn electrostatic net, which is characterized in that including following Step:
Step 1: weighing fibrous raw material, the fibrous raw material is made of polypropylene electrostatic fibre and Dralon, wherein poly- third Alkene electrostatic fibre weight percent is 55%~90%, and Dralon weight percent is 10%~45%, opposite in workshop Under conditions of humidity reaches 80%~100%, apply antistatic agent, antistatic agent and fibrous raw material weight on fibrous raw material in advance It is 0.05%~0.10% to measure percentage, the fibrous raw material for being applied with antistatic agent is mixed successively by preset ratio, slightly Shredding, smart shredding, it is quantitative form uniform web to cotton, combing, lapping, web thickness is 8mm~15mm;
Step 2: the web obtained in step 1 is obtained needle thorn electrostatic net semi-finished product through the thorn process consolidation molding of three needles;
Step 3: according to technological requirement, at the needle obtained in step 2 thorn electrostatic net semi-finished product progress calendering, cut roll, inspection Reason obtains needle thorn electrostatic net finished product.
2. the technique according to claim 1 that electrostatic net is pierced using polypropylene electrostatic fibre and Dralon production needle, It is characterized in that, the fineness of the Dralon ranging from 2.22dtex~6.67dtex, length range is 38mm~65mm.
3. the technique according to claim 1 that electrostatic net is pierced using polypropylene electrostatic fibre and Dralon production needle, It is characterized in that, the antistatic agent is peregal JL-3.
4. the technique according to claim 3 that electrostatic net is pierced using polypropylene electrostatic fibre and Dralon production needle, It is characterized in that, the antistatic agent is applied to by way of spray on fibrous raw material.
5. the technique according to claim 1 that electrostatic net is pierced using polypropylene electrostatic fibre and Dralon production needle, It is characterized in that, the needle thorn electrostatic net finished product produced through step 1 to step 3, the grammes per square metre scope is 50 grams/m~70 Gram/m.
6. a kind of quiet by being pierced using polypropylene electrostatic fibre and Dralon production needle described in claim 1-5 any one Needle thorn electrostatic net made from the technique of power grid is applied to air purifier, Intelligent air conditioner, empty net integration apparatus, air conditioning for automobiles In device or protective mask.
CN201810227473.3A 2018-03-20 2018-03-20 Technique and its application of electrostatic net are pierced using polypropylene electrostatic fibre and Dralon production needle Pending CN108468156A (en)

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Application Number Priority Date Filing Date Title
CN201810227473.3A CN108468156A (en) 2018-03-20 2018-03-20 Technique and its application of electrostatic net are pierced using polypropylene electrostatic fibre and Dralon production needle

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113181714A (en) * 2021-04-06 2021-07-30 陈琳 Bi-component filter cotton, and manufacturing method and application thereof
CN115230268A (en) * 2022-07-18 2022-10-25 江苏优风环保科技有限公司 Air conditioner filtering mesh cloth and preparation method and application thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0246811A2 (en) * 1986-05-19 1987-11-25 Btg International Limited Blended-fibre filter material
CN1112850A (en) * 1994-03-05 1995-12-06 卡尔·弗罗伊登伯格公司 Air filting material and application and preparation of same
CN103537142A (en) * 2013-11-05 2014-01-29 云高杰 Needling static filter cotton and preparation method thereof
CN203507682U (en) * 2013-11-05 2014-04-02 云高杰 Needle-punched static filtering cotton
CN104674409A (en) * 2015-03-10 2015-06-03 中原工学院 Multi-component blending health-care yarn semi-worsted with tea fibers and preparation method as well as applications thereof
CN106930003A (en) * 2017-05-11 2017-07-07 吉林省华纺静电材料科技有限公司 A kind of electrostatic fibre Through-Air Thermal Bonded Nonwovens screen pack and its preparation method and application

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0246811A2 (en) * 1986-05-19 1987-11-25 Btg International Limited Blended-fibre filter material
CN1112850A (en) * 1994-03-05 1995-12-06 卡尔·弗罗伊登伯格公司 Air filting material and application and preparation of same
CN103537142A (en) * 2013-11-05 2014-01-29 云高杰 Needling static filter cotton and preparation method thereof
CN203507682U (en) * 2013-11-05 2014-04-02 云高杰 Needle-punched static filtering cotton
CN104674409A (en) * 2015-03-10 2015-06-03 中原工学院 Multi-component blending health-care yarn semi-worsted with tea fibers and preparation method as well as applications thereof
CN106930003A (en) * 2017-05-11 2017-07-07 吉林省华纺静电材料科技有限公司 A kind of electrostatic fibre Through-Air Thermal Bonded Nonwovens screen pack and its preparation method and application

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113181714A (en) * 2021-04-06 2021-07-30 陈琳 Bi-component filter cotton, and manufacturing method and application thereof
CN115230268A (en) * 2022-07-18 2022-10-25 江苏优风环保科技有限公司 Air conditioner filtering mesh cloth and preparation method and application thereof

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