Iyo nzira yekunyunguduka yakaputika jira risiri rakarukwa
Maitiro ekunyunguduka akafemerwa jira risiri rakarukwa: kudyisa kwepolymer - kunyungudika extrusion - kugadzirwa kwefiber - kutonhora kwefiber - webhu kuumbwa - kusimbisa mumucheka.
Zvikamu zviviri zvinonyunguduka zvinoputika tekinoroji
Kubva pakutanga kwezana ramakore rechi21, kusimukira kweiyo melt blown nonwoven tekinoroji yakafambira mberi nekukurumidza pasi rose.
Makambani eHills neNordson muUnited States akabudirira kugadzira maviri-chikamu melt blown tekinoroji kare, kusanganisira ganda core, parallel, triangular uye mamwe marudzi. Iyo fiber fineness inowanzova pedyo ne2 µ, uye nhamba yemakomba ari mu melt blown filament component inogona kusvika 100 maburi per inch, ine extrusion rate ye 0.5g/min paburi.
Leather core type:
Inogona kuita kuti machira asiri akarukwa anzwe akapfava uye anogona kugadzirwa kuita concentric, eccentric, uye zvigadzirwa zvisina kujairika. Kazhinji, zvinhu zvisingadhuri zvinoshandiswa semusimboti, nepo mapolymer anodhura ane akakosha kana anodiwa zvivakwa anoshandiswa seyekunze layer, senge polypropylene yepakati uye nylon yekunze, ichiita iyo fiber hygroscopic; Nheyo yacho inogadzirwa nepolypropylene, uye iyo yekunze inogadzirwa nechepasi yakanyunguduka polyethylene kana yakagadziridzwa polypropylene, yakagadziridzwa polyester, nezvimwewo inogona kushandiswa pakubatanidza. Kune kabhoni dema conductive fibers, iyo conductive musimboti yakaputirwa mukati.
Parallel type:
Inogona kuita kuti machira asiri akarukwa ave nerunyoro rwakanaka, kazhinji anogadzirwa nemapolymer maviri akasiyana kana imwe polima ine viscosities yakasiyana kuti iite twuviri-two mafibers anoenderana. Nekushandisa zvakasiyana-siyana zvekupisa shrinkage zvimiro zvemapolymer akasiyana, spiral curled fibers inogona kugadzirwa. Semuyenzaniso, 3M Kambani yakagadzira jira risiri rakarukwa rakagadzirwa nekanyungudutswa PET/PP maviri-chikamu faibha, iyo, nekuda kwekusiyana kwakasiyana, inoumba spiral curl uye inopa iyo isiri-yakarukwa jira rakanakisa elasticity.
Terminal type:
Iyi ndiyo imwe mhando yepolymer composite inoshandiswa mumashizha matatu, muchinjiko, uye marudzi ekupedzisira. Paunenge uchigadzira anti-static, mwando conductive, uye conductive fibers, conductive polymers inogona kuumbwa pamusoro, iyo isingagone kuitisa hunyoro chete, asiwo inoitisa magetsi, anti-static, uye kuchengetedza huwandu hwepolymer conductive inoshandiswa.
Micro Dan mhando:
Orange petal shaped, strip-shaped peeling components, kana chitsuwa chakaumbwa zvikamu zvinogona kushandiswa. Kushandisa mapolymer maviri asingaenderane kusvuura nekugadzira ultrafine fiber webs, kunyangwe nanofiber webs. Semuyenzaniso, Kimberly Clark akagadzira rudzi rweku peeling two-component fiber, iyo inoshandisa hunhu hwezvikamu zviviri zvefibers dzakagadzirwa kubva kumapolima maviri asingaenderane anogona kupepetwa zvachose pasina sekondi mumvura inopisa kuita ultrafine fiber webs. Kune rudzi rwechitsuwa, gungwa rinoda kunyungudutswa kuti riwane yakanaka chitsuwa fiber network.
Mhando yeHybrid:
Idandemutande rakagadzirwa nekusanganisa zvinhu zvakasiyana-siyana, mavara, faibha, maumbirwo emuchinjika, uye nyangwe mafiber anoenderana nepakati peganda, ane ese ari maviri co spun uye maviri-component fibers, kupa mafiber zvinhu zvinodiwa. Zvichienzaniswa neyakanyunguduka yakavhuvhuta zvigadzirwa zvefiber, rudzi urwu rwekunyunguduka rwakaputirwa maviri-chikamu fiber nonwoven jira kana yakasanganiswa fiber nonwoven jira rinogona kuwedzera kunatsiridza kusefa kwesefa yepakati, uye kuita kuti sefa yepakati ive ne-anti-static, conductive, kunyorova, uye inowedzeredza zvipingamupinyi; Kana kunatsiridza kunamatira, fluffiness, uye kufema kwefiber web.
Maviri mameltblown fibers anogona kuwedzera zvikanganiso zveimwe polymer zvivakwa. Semuenzaniso, polypropylene inenge isingadhuri, asi kana ichishandiswa mune zvekurapa uye zvehutano zvinhu, haidziviriri kuratidzwa kwemwaranzi. Naizvozvo, polypropylene inogona kushandiswa semusimboti, uye yakakodzera nemwaranzi inodzivirira polymer inogona kusarudzwa pane yekunze layer yekuiputira, nekudaro kugadzirisa dambudziko rekupokana nemwaranzi. Izvi zvinogona kuita kuti chigadzirwa chishande-chete paunenge uchisangana nezvinodiwa zvinoshanda, senge kupisa uye humidity exchanger inoshandiswa mumhepo yekufema mundima yekurapa, iyo inogona kupa yakakodzera kupisa kwechisikigo uye hunyoro. Iyo isingaremi, inoraswa kana nyore kuuraya utachiona, isingadhure, uye inogona zvakare kushanda seimwe sefa yekubvisa zvinosvibisa. Inogona kuumbwa maviri akaenzana akasanganiswa maviri-chikamu melt blown fiber webs. Kutora ganda remhando yemhando mbiri-chikamu fiber, musimboti wakagadzirwa nepolypropylene uye ganda reganda rakagadzirwa nenylon. Mafibhi maviri echikamu anogona zvakare kutora zvisina kujairika muchinjiko-zvikamu, senge trilobites uye multilobes, kuwedzera nzvimbo yavo. Panguva imwecheteyo, mapolymer anogona kuvandudza kusefa mashandiro anogona kushandiswa pamusoro pavo kana blade tip. Iyo miviri-yechikamu faibha mesh yeolefin kana polyester yakanyunguduka yakavhuvhuta nzira inogona kugadzirwa kuita cylindrical fluid uye gasi mafirita. Melt blown two-component fiber mesh inogona kushandiswawo kune matipi efodya yekusefa; Kushandisa core suction effect kugadzira yakakwirira-yekupedzisira inki inonwisa macores; Core suction rods yekuchengeta fluid uye infusion.
Kuvandudzwa kweiyo melt blown nonwoven tekinoroji - nyungudika inoputika nanofibers
Munguva yakapfuura, kuvandudzwa kwemafibers akanyunguduka kwakavakirwa patekinoroji yeExxon, asi mumakore achangopfuura, makambani mazhinji epasi rese akatyora tekinoroji yeExxon kugadzira tambo dzenanoscale dzakanaka.
Hills Company yakaita tsvakiridzo yakadzama pamusoro penano meltblown fibers uye inonzi yasvika padanho rekusimudzira maindasitiri. Mamwe makambani akadai seNon woven Technologies (NTI) akagadzirawo maitiro uye matekinoroji ekugadzira nano meltblown fibers uye akawana patents.
Kuti utenderere nanofibers, maburi emupfumbu akatsetseka kupfuura aya ari pamidziyo yakajairwa yakanyungudutswa. NTI inogona kushandisa ma nozzles madiki se 0.0635 millimeters (63.5 microns) kana 0.0025 inches, uye modular chimiro che spinneret chinogona kusanganiswa kuita hupamhi hwese kupfuura 3 metres. Hupamhi hwemafiber akanyunguduka akarukwa nenzira iyi angangoita 500 nanometers. Iyo thinnest imwe fiber dhayamita inogona kusvika 200 nanometers.
Midziyo inonyunguduka yekuruka nanofibers ine maburi madiki ekupfapfaidza, uye kana pasina matanho anotorwa, goho richadzikiswa zvakanyanya. Naizvozvo, NTI yakawedzera huwandu hwemakomba ekupfapfaidza, ndiro yega yega yekupfapfaidza iine mitsara mitatu kana kupfuura yemakomba ekupfapfaidza. Kubatanidza zvikamu zvakawanda zveyuniti (zvichienderana nehupamhi) pamwe chete zvinogona kuwedzera zvakanyanya goho panguva yekutenderera. Mamiriro ezvinhu chaiwo ndeokuti kana uchishandisa 63.5 micron holes, nhamba yemakomba pamamita emutsara mumwe chete spinneret ndeye 2880. Kana mitsara mitatu yakashandiswa, nhamba yemakomba pamamita e spinneret inogona kusvika 8640, iyo yakaenzana nekugadzirwa kwezvakajairwa zvakanyunguduka fibers.
Nekuda kwemutengo wakakwira uye mukana wekuputsika (kutsemuka pasi pekumanikidzwa kwakanyanya) kweatete spinnerets ane maburi akanyanya-density, makambani akasiyana-siyana akagadzira hutsva hwekubatanidza tekinoroji kuti awedzere kusimba kwespinnerets uye kudzivirira kuvuza pasi pekumanikidzwa kwakanyanya.
Parizvino, nano meltblown fibers inogona kushandiswa sefiltration media, inogona kuvandudza zvakanyanya kusefa. Kune zvakare dhata rinoratidza kuti nekuda kwemafiber akakwenenzverwa mumachira e nanoscale meltblown nonwoven, machira akareruka uye anorema meltblown anogona kushandiswa musanganiswa ne spunbond composites, iyo inogona kuramba ichimira yakafanana nemusoro wemvura. Zvigadzirwa zveSMS zvinogadzirwa kubva kwavari zvinogona kuderedza chikamu chemeltblown fibers.
Dongguan Liansheng Non woven Technology Co., Ltd.yakavambwa muna Chivabvu 2020. Ibhizimusi rekugadzira jira rakakura risingarukwe rinobatanidza tsvakiridzo nekusimudzira, kugadzira, uye kutengesa. Inogona kuburitsa mavara akasiyana-siyana ePP spunbond machira asiri akarukwa ane hupamhi husingasviki 3.2 metres kubva pa9 gramu kusvika 300 magiramu.
Nguva yekutumira: Oct-30-2024