CN111467879A - 多功能静电驻极滤材及其制备方法 - Google Patents
多功能静电驻极滤材及其制备方法 Download PDFInfo
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- CN111467879A CN111467879A CN202010275613.1A CN202010275613A CN111467879A CN 111467879 A CN111467879 A CN 111467879A CN 202010275613 A CN202010275613 A CN 202010275613A CN 111467879 A CN111467879 A CN 111467879A
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- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 1
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- AWZACWPILWGEQL-UHFFFAOYSA-M azanium;copper(1+);sulfate Chemical compound [NH4+].[Cu+].[O-]S([O-])(=O)=O AWZACWPILWGEQL-UHFFFAOYSA-M 0.000 description 1
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- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
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- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical class Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 1
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- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
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- PWSKHLMYTZNYKO-UHFFFAOYSA-N heptane-1,7-diamine Chemical compound NCCCCCCCN PWSKHLMYTZNYKO-UHFFFAOYSA-N 0.000 description 1
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- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- RTWNYYOXLSILQN-UHFFFAOYSA-N methanediamine Chemical compound NCN RTWNYYOXLSILQN-UHFFFAOYSA-N 0.000 description 1
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- LSHROXHEILXKHM-UHFFFAOYSA-N n'-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCN LSHROXHEILXKHM-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
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- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
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- 150000002989 phenols Chemical class 0.000 description 1
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- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
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- 230000000717 retained effect Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
- 235000013904 zinc acetate Nutrition 0.000 description 1
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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
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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
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
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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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0032—Filters 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
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- D—TEXTILES; PAPER
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- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-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
- D04H1/42—Non-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
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- D—TEXTILES; PAPER
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
- D04H3/105—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by needling
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D2239/10—Filtering material manufacturing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Filtering Materials (AREA)
- Electrostatic Separation (AREA)
Abstract
本发明涉及一种多功能静电驻极滤材及其制备方法，该滤材为若干纤维交错连接而成的片层，该纤维包括芯部以及包覆于芯部的表面且添加有添加剂的皮层，通过对该纤维进行静电充电以形成驻有静电荷的滤材。本发明有效地解决了现有滤材难以加入化学药剂的问题，在不影响空气中细微颗粒滤除效果的情况下，于滤材中添加化学药剂，无需另外增加滤层，降低制造成本，节约资源，减少污染。
Description
技术领域
本发明涉及化工材料领域，特指一种多功能静电驻极滤材及其制备方法。
背景技术
静电驻极材料问世以来，应用广泛，其可让滤材携带静电，其中的景点能够在过滤空气时吸附空气中的细微颗粒，达到较佳的过滤效果。
然而随着社会的发展，空气中出现了多种多样有害物质，为了滤除这些有害物质，我们需要在滤材中添加对应的化学药剂，一般的添加方法是将化学药剂通过涂覆(coating)或浸渍(dipping)的方式附着在滤材表面，但实际上这两种方式会造成静电消失,而失去滤除空气中的细微颗粒的效果；为了维持对空气中的细微颗粒滤除效果，另一种方法是于静电驻极的滤材外部再多加一层含有化学药剂的滤材以滤除有害物质，即将两层滤材相叠并一同使用，但这种使用两层滤材的方式增加了产品厚度，影响了产品的透气性能，且需要两条生产线，制造成本高，浪费资源，污染环境。
发明内容
本发明的目的在于克服现有技术的缺陷，提供一种多功能静电驻极滤材及其制备方法，解决了现有滤材难以加入化学药剂的问题，在不影响空气中细微颗粒滤除效果的情况下，于纤维中添加化学药剂，无需另外增加并制作含有添加剂的滤层，降低制造成本，节约资源，减少污染。
实现上述目的的技术方案是：
本发明提供了一种多功能静电驻极滤材，该滤材为若干纤维交错连接而成的片层，该纤维包括芯部以及包覆于芯部的表面且添加有添加剂的皮层，通过对该纤维进行静电充电以形成驻有静电荷的滤材。
本发明多功能静电驻极滤材，通过制作包括芯部和皮层的纤维，且皮层中添加有添加剂，进而对该纤维充电，使得该滤材既能够利用皮层中的添加剂滤除有害物质，又能够利用静电电荷滤除空气中的细微颗粒，且无需另外制作含有添加剂的滤层，能够直接制作出单层的滤材，透气性能好，解决了现有滤材难以加入化学药剂的问题，在不影响空气中细微颗粒滤除效果的情况下，于纤维中添加化学药剂，无需另外增加并制作含有添加剂滤层，降低制造成本，节约资源，减少污染。
本发明多功能静电驻极滤材的进一步改进在于，该芯部由聚丙烯、聚乙烯、聚对苯二甲酸乙二酯或尼龙制成。
本发明多功能静电驻极滤材的进一步改进在于，该皮层由聚丙烯、聚乙烯、聚对苯二甲酸乙二酯或尼龙制成。
本发明多功能静电驻极滤材的进一步改进在于，该皮层的材料的熔点低于所述芯部的材料的熔点。
本发明多功能静电驻极滤材的进一步改进在于，该添加剂包括铜盐、金属盐、硫化物、多价铵、碱性化合物、还原剂、催化剂以及pH调节剂。
本发明提供了一种多功能静电驻极滤材的制备方法，包括如下步骤：
S11.提供用于形成芯部和用于形成皮层的材料，向用于形成皮层的材料中加入添加剂；
S12.利用用于形成芯部的材料和添加有添加剂的材料制成纤维，所制成的纤维包含有芯部和包覆于芯部的表面的皮层；
S13.利用若干纤维制成呈片状的纤网，对该纤网进行静电充电以形成滤材。
本发明多功能静电驻极滤材的制备方法的进一步改进在于，对纤网充电前，还包括：
针刺该纤网以使得纤网中的纤维紧密缠绕。
本发明多功能静电驻极滤材的制备方法的进一步改进在于，对该纤网充电时，还包括：
将纤网通过电晕放电装置，该电晕放电装置的电极放电以使得该纤网驻有静电荷。
本发明多功能静电驻极滤材的制备方法的进一步改进在于，待形成皮层的材料的熔点低于待形成芯部的材料的熔点。
本发明多功能静电驻极滤材的制备方法的进一步改进在于，该添加剂包括铜盐、金属盐、硫化物、多价铵、碱性化合物、还原剂、催化剂以及pH调节剂。
附图说明
图1为本发明多功能静电驻极滤材中纤维的剖视图。
图2为本发明多功能静电驻极滤材的制备方法流程图。
图3为本发明多功能静电驻极滤材中纤维的制备流程图。
图4为本发明多功能静电驻极滤材中纤网的静电驻极流程图。
具体实施方式
下面结合附图和具体实施例对本发明作进一步说明。
参阅图1，本发明提供了一种多功能静电驻极滤材及其制备方法，通过制作包括芯部和皮层的纤维，且皮层中添加有添加剂，进而对该纤维充电，使得该滤材既能够利用皮层中的添加剂滤除有害物质，又能够利用静电电荷滤除空气中的细微颗粒，且无需另外制作含有添加剂的滤层，能够直接制作出单层的滤材，透气性能好，解决了现有滤材难以加入化学药剂的问题，在不影响空气中细微颗粒滤除效果的情况下，于纤维中添加化学药剂，无需另外增加并制作含有添加剂滤层，降低制造成本，节约资源，减少污染。下面结合附图对本发明多功能静电驻极滤材进行说明。
参阅图1，图1为本发明多功能静电驻极滤材中纤维的剖视图。下面结合图1，对本发明多功能静电驻极滤材进行说明。本发明的多功能静电驻极滤材特别适用于空气过滤器、口罩、汽车车内过滤器、工业过滤器和建筑新风系统。
如图1所示，本发明的多功能静电驻极滤材，该滤材为若干纤维11交错连接而成的片层，该纤维11包括芯部111以及包覆于芯部111的表面且添加有添加剂的皮层112，通过对该纤维11进行静电充电以形成驻有静电荷的滤材。
作为本发明的一较佳实施方式，该芯部111由聚丙烯、聚乙烯、聚对苯二甲酸乙二酯或尼龙制成。
进一步的，该皮层112由聚丙烯、聚乙烯、聚对苯二甲酸乙二酯或尼龙制成。
具体的，该皮层112的材料的熔点低于所述芯部111的材料的熔点。
进一步的，该添加剂包括铜盐、金属盐、硫化物、多价铵、碱性化合物、还原剂、催化剂以及pH调节剂。
具体的，上述铜盐选自硫酸铜盐、氯化铜盐、硝酸铜盐、乙酸铜盐及硫酸铜铵盐中的一种以上；
上述金属盐选自金、银、铂、镍、锰、钴、铬、锌、钯、铑、钌、锇、镁、铁及铱中的一种以上的金属的无机酸盐或有机酸盐；
上述还原剂选自金属铜、羟胺、硫酸亚铁、钒酸铵、糠醛、次磷酸钠、次亚磷酸钠、亚硫酸氢钠、葡萄糖及酚类化合物中的一种以上；
上述催化剂选自氯化镁、氯化钾、氯化钙、乙酸锌、氯化铵、硫酸铵、碳酸铵及硝酸铵中的一种以上；
上述多价铵选自亚甲基二胺、乙二胺、三亚甲基二胺、四亚甲基二胺、五亚甲基二胺、六亚甲基二胺、七亚甲基二胺、二乙烯三胺、三乙烯四胺、四乙烯五胺及五乙烯六胺中的一种以上；
上述碱性化合物选自氢氧化钠、氢氧化钾、碳酸钠、碳酸钾、碳酸氢钠及碳酸氢钾中的一种以上；
上述pH调节剂选自硫酸、盐酸、磷酸、硝酸、柠檬酸、乙酸及它们的组合中的一种以上。
本发明的具体实施方法如下：
结合图3所示，将待形成芯部111的材料和待形成皮层112的材料分别加入树脂桶21，在待形成皮层112的材料中加入添加剂并混合均匀，材料可采用PP作为皮层材料且PP作为芯部材料，或PP作为皮层材料且PE作为芯部材料，或PE作为皮层材料且PET作为芯部材料，或PP作为皮层材料且NYLON作为芯部材料，以皮层112和芯部111均采用PP作为材料为例，皮层可采用熔融指数为68g/10min的聚丙烯母粒，芯部对应可采用熔融指数为32g/10min的聚丙烯切片；
两种材料经干燥装置干燥后分别装入螺杆挤出机22中，两种材料向外挤出经由纺丝模头23气流牵伸后形成纤维11，此时熔点低的材料包覆在熔点高的材料表面，即添加有添加剂的材料包覆在未添加添加剂的材料表面，以形成芯部111和含有添加剂的皮层112；
该纤维11经过喷丝板24，于网帘上形成纤网，该纤网经热压后收卷；
结合图4所示，收卷后的纤网经卷架摊开，经由针刺机25对纤网进行针刺以使得纤网更加密实，刺针上形成有倒钩，在刺针刺入纤网时将上层纤维11向下压，刺针抽出时，刺针上的倒钩将下层纤维11向上拉，从而使得上下层纤维11紧密缠绕，从而使得纤网密实并加固该纤网；
针刺后的纤网经过电晕放电装置26，电晕放电装置26对其进行放电，使得纤网中驻有静电荷，对纤网分切并收卷；
这种方式只需一条流水线即可生产即驻有静电荷又添加有添加剂的单层滤材，且皮层中的添加剂不会对驻于纤维中的电荷产生影响，能够保证产品的透气性，也大大降低了生产成本，减少了资源浪费，减少了环境污染。
结合图2所示，本发明还提供了一种多功能静电驻极滤材的制备方法，该方法包括如下步骤：
执行步骤S11.提供用于形成芯部111和用于形成皮层112的材料，向待形成皮层112的材料中加入添加剂；接着执行步骤S12
执行步骤S12.利用用于形成芯部111的材料和添加有添加剂的材料制成纤维，所制成的纤维包含有芯部111和包覆于芯部111的表面的皮层112；接着执行步骤S12
执行步骤S13.利用若干纤维制成呈片状的纤网，对该纤网进行静电充电以形成滤材。
进一步的，对纤网充电前，还包括：
针刺该纤网，以使得该纤网更加密实。
具体的，对该纤网充电时，还包括：
将纤网通过电晕放电装置26，该电晕放电装置26的电极放电以使得该纤网驻有静电荷。
较佳地，待形成皮层112的材料的熔点低于待形成芯部111的材料的熔点。
具体的，该添加剂包括铜盐、金属盐、硫化物、多价铵、碱性化合物、还原剂、催化剂以及pH调节剂。
本发明提供的制备方法实际实施的操作方式如下：
结合图3所示，将待形成芯部111的材料和待形成皮层112的材料分别加入树脂桶21，在待形成皮层112的材料中加入添加剂并混合均匀，材料可采用PP作为皮层材料且PP作为芯部材料，或PP作为皮层材料且PE作为芯部材料，或PE作为皮层材料且PET作为芯部材料，或PP作为皮层材料且NYLON作为芯部材料，以皮层112和芯部111均采用PP作为材料为例，皮层可采用熔融指数为68g/10min的聚丙烯母粒，芯部对应可采用熔融指数为32g/10min的聚丙烯切片；
两种材料经干燥装置干燥后分别装入螺杆挤出机22中，两种材料向外挤出经由纺丝模头23气流牵伸后形成的纤维11，此时熔点低的材料包覆在熔点高的材料表面，即添加有添加剂的材料包覆在未添加添加剂的材料表面，以形成芯部111和含有添加剂的皮层112；
该纤维11经过喷丝板24，于网帘上形成纤网，该纤网经热压后收卷；
结合图4所示，收卷后的纤网经卷架摊开，经由针刺机25对纤网进行针刺以使得纤网更加密实，刺针尺寸可根据纤维11的尺寸进行选择，刺针上形成有倒钩，在刺针刺入纤网时将上层纤维11向下压，刺针抽出时，刺针上的倒钩将下层纤维11向上拉，从而使得上下层纤维11紧密缠绕，从而使得纤网密实并加固该纤网；
针刺后的纤网经过电晕放电装置26，电晕放电装置26对其进行放电，使得纤网中驻有静电荷，对纤网分切并收卷。
以上结合附图实施例对本发明进行了详细说明，本领域中普通技术人员可根据上述说明对本发明做出种种变化例。因而，实施例中的某些细节不应构成对本发明的限定，本发明将以所附权利要求书界定的范围作为本发明的保护范围。
Claims (10)
1.一种多功能静电驻极滤材，其特征在于，所述滤材为若干纤维交错连接而成的片层，所述纤维包括芯部以及包覆于所述芯部的表面且添加有添加剂的皮层，通过对所述纤维进行静电充电以形成驻有静电荷的所述滤材。
2.如权利要求1所述的多功能静电驻极滤材，其特征在于，所述芯部由聚丙烯、聚乙烯、聚对苯二甲酸乙二酯或尼龙制成。
3.如权利要求2所述的多功能静电驻极滤材，其特征在于，所述皮层由聚丙烯、聚乙烯、聚对苯二甲酸乙二酯或尼龙制成。
4.如权利要求3所述的多功能静电驻极滤材，其特征在于，所述皮层的材料的熔点低于所述芯部的材料的熔点。
5.如权利要求1所述的多功能静电驻极滤材，其特征在于，所述添加剂包括铜盐、金属盐、硫化物、多价铵、碱性化合物、还原剂、催化剂以及pH调节剂。
6.一种如权利要求1所述的多功能静电驻极滤材的制备方法，其特征在于，包括如下步骤：
S11.提供用于形成所述芯部和用于形成所述皮层的材料，向待形成所述皮层的材料中加入添加剂；
S12.利用用于形成所述芯部的材料和添加有所述添加剂的材料制成纤维，所制成的纤维包含有芯部和包覆于所述芯部的表面的皮层；
S13.利用若干所述纤维制成呈片状的纤网，对所述纤网进行静电充电以形成所述滤材。
7.如权利要求6所述的多功能静电驻极滤材的制备方法，其特征在于，对所述纤网充电前，还包括：
针刺所述纤网以使得所述纤网中的纤维紧密缠绕。
8.如权利要求6所述的多功能静电驻极滤材的制备方法，其特征在于，对所述纤网充电时，还包括：
将所述纤网通过电晕放电装置，所述电晕放电装置的电极放电以使得所述纤网驻有静电荷。
9.如权利要求6所述的多功能静电驻极滤材的制备方法，其特征在于，待形成所述皮层的材料的熔点低于待形成所述芯部的材料的熔点。
10.如权利要求6所述的多功能静电驻极滤材的制备方法，其特征在于，所述添加剂包括铜盐、金属盐、硫化物、多价铵、碱性化合物、还原剂、催化剂以及pH调节剂。
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