Isina kurukwa yakanyungudukamaitiro: kudya polymer - kunyungudutsa - kuumbwa kwefiber - kutonhora - kupinda mu network - kusimbiswa mujira.
Kugadzirwa kwetekinoroji ye melt-Jet nonwovens -- Tekinoroji ye melt-jet ine zvikamu zviviri
Kubva muzana remakore rechi21, kufambira mberi kwetekinoroji ye melt - jet nonwovens pasi rose kwafambira mberi nekukurumidza.
Musoro wemuhara:
Inogona kuita kuti nonwovens dzinzwe dzakapfava, dzinogona kugadzirwa kuita concentric, eccentric, special-shaped products. Kazhinji, core yakagadzirwa nezvinhu zvakachipa, uye polymer inodhura ine hunhu hwakakosha kana hunodiwa ndiyo frame layer yekunze, senge polypropylene core nenylon outer layer kuti fiber ive hygroscopic. Core yacho i polypropylene, uye ganda rekunze rinogona kunamira polyethylene ine low melting point kana modified polypropylene, modified polyester, nezvimwewo. Kana iri carbon black conductive fiber, frame conductive core inoputirwa mairi.
Rudzi rwemajoini:
Zvisina kurukwa zvine kutwasuka kwakanaka zvinowanzogadzirwa nemapolymer maviri akasiyana kana polymer imwechete ine kutwasuka kwakasiyana kuita mafiber ane zvikamu zviviri zvakafanana. Kutwasuka kwakasiyana kwekupisa kwemapolymer akasiyana kunogona kushandiswa kugadzira fiber dzakakweshwa dzakatenderera. Semuenzaniso, kambani ye3M yakagadzira fiber dzisina kurukwa dzakanyungudutswa dzakapfapfaidzwa nePET/PP. Nekuda kwekutwasuka kwakasiyana, zvisina kurukwa zvinoumba spiral crimp, izvo zvinoita kuti zvisina kurukwa zvive nekutwasuka kwakanaka.
Rudzi rwechiteshi:
Izvi zviri mumhando yemashizha matatu, mhando yemuchinjikwa uye terminal compound imwe mhando yepolymer, yakadai se antistatic, hunyoro hwemhepo, conductive fiber inogona kuva pamusoro pe composite conductive polymer, kwete chete inogona kuva conductive, conductive, antistatic, uye kuchengetedza huwandu hwe conductive polymer.
Rudzi rweMicrodenier:
Chimiro chepetal yeorenji, chikamu chestrip strip chinogona kushandiswa, uye chinogonawo kuva chikamu cherudzi rwechitsuwa chegungwa. Kushandisa mapolymer maviri asingawirirane kubvisa kuti agadzire network yefiber yakanaka kwazvo, kana kunyange network ye nanofiber, senge fiber yemhando mbiri yestrip-type yaKimberly-Clark, inetwork yefiber yakanaka kwazvo inoshandisa chokwadi chekuti fiber ine zvikamu zviviri yakagadzirwa nemapolymer maviri asingawirirane inogona kubviswa zvachose mumvura inopisa isingasviki sekondi. Rudzi rwechitsuwa chegungwa ruchanyungudutsa gungwa kuti riwane network yakanaka yefiber dzechitsuwa.
Yakasanganiswa:
Iwebhu yefibers ine zvinhu zvakasiyana, mavara akasiyana, fibers dzakasiyana, maumbirwo akasiyana ecross section, uye kunyangwe neganda rakasanganiswa ne co-spinning uye two-component fibers, kuitira kuti fibers dzive nemhando dzakasiyana dzehunhu hunodiwa. Rudzi urwu rwe melt-jet two-component fiber nonwovens kana mixed fiber nonwovens zvinogona kuwedzera kuvandudza filtering property ye filter medium zvichienzaniswa ne general melt-jet fiber products, uye kuita kuti filter medium ive ne antistatic property, electrical conductivity, hygroscopic property, enhanced barrier property, nezvimwewo. Kana kuti fiber mesh bond, fluffy, air permeability ivandudze.
Fiber yakanyungudutswa ine zvikamu zviviri inogona kuwedzera kushomeka kwekushanda kwepolymer imwe chete, senge polypropylene yakachipa, asi pazvinhu zvekurapa, haidzivirirwe nemwaranzi, saka inogona kushandiswa se polypropylene sepakati, muchikamu chayo chekunze kusarudza polymer inodzivirira mwaranzi yakaputirwa kunze kunogona kugadzirisa dambudziko rekudzivirira mwaranzi. Saka, chigadzirwa ichi chinogona kunge chisina kudhura uye chinosangana nezvinodiwa zvinoshanda, senge zvinochinja-chinja kupisa nehunyoro zvehurongwa hwekufema mumunda wezvekurapa, izvo zvinogona kupa kupisa kwechisikigo uye hunyoro hwakakodzera. Ine huremu hwakareruka, inoraswa kana nyore kuuraya utachiona, yakachipa, asi inogonawo kuita basa rekuwedzera rekubvisa tsvina. Inogona kuumbwa ne network mbiri dzakasanganiswa dzakasanganiswa dze fiber dzakanyungudutswa dzakapfava.
Fiber yeganda ine zvikamu zviviri inotorwa, iyo core ipolypropylene uye cortex inylon. Fiber dzine zvikamu zviviri dzinogonawo kuumbwa nechikamu chakakosha, senge chimiro chemashizha matatu kana chimiro chemashizha akawanda, kuitira kuti nzvimbo yavo yepamusoro ive yakakura. Panguva imwecheteyo, mapolymer anogona kuvandudza mashandiro ekusefa anogonawo kushandiswa pamusoro pechifukidziro kana chikamu chemucheto wefiber. Alkene kana polyester fusible spray ine zvikamu zviviri inogona kugadzirwa kuita mafirita emvura negesi. Mesh yefiber inonyunguduka inogonawo kushandiswa seti yefirita yefodya; Iyo core suction effect inoshandiswa kugadzira core yekusveta inki yepamusoro. Iyo core suction rod yekuchengetedza uye kupinza mvura, nezvimwewo.
Kugadzirwa kwetekinoroji ye melt blown nonwovens -- Melt blown nanofibers
Kuti vagadzire ma nanofibers, maburi espinneret madiki zvikuru pane anowanikwa mumidziyo yemazuva ano yekunyungudutsa. NTI inogona kuva diki kusvika 0.0635 mm (kureva 63.5 microns) kana diki kusvika 0.0025 ft. Modular spinneret panels inogona kusanganiswa kusvika paupamhi hwese hunopfuura 3 m. Saka dhayamita yefiber yakanyungudutswa inosundwa inosvika 500 nanometers. Fiber imwe chete yakanakisisa inogona kusvika 200 nanometers mudhayamita.
Sezvo michina yekunyungudutsa nekupfapfaidza yekushandura nanofibers ine maburi madiki ekunze, kana pasina matanho akatorwa, kubuda kwayo kunotoda kuderedzwa zvakanyanya. Nokudaro, NTI inoshandisa nzira yekuwedzera huwandu hwemaburi ekunze, uye ndiro yega yega yespinneret ine mitsara mitatu kana kupfuura yemaburi ekunze. Nekubatanidza huwandu hwezvikamu (zvichienderana nehupamhi), goho panguva yekutenderera rinogona kuwedzerwa zvakanyanya. Mamiriro chaiwo ndeekuti kana maburi 63.5 micron akashandiswa, huwandu hwemaburi mumutsara mumwe chete wespinnerets pamita imwe i2880. Kana mitsara mitatu ikashandiswa, huwandu hwemaburi mumutsara mumwe chete wespinnerets pamita imwe chete hunogona kusvika 8640, kuitira kuti kubuda kwayo kuenzane nekwekutenderera shotcrete fiber yakanyungudutswa.
Nekuti ma spinnerets matete ane maburi akawandisa anodhura uye anowanzo pwanyika (anopwanyika kana amanikidzwa zvakanyanya), makambani akagadzira nzira itsva dzekubatanidza kuti awedzere kusimba kwema spinnerets uye kudzivirira kubuda kwemvura kana amanikidzwa zvakanyanya.
Nanometer yakasanganiswa - fiber yakapfapfaidzwa inogona kushandiswa senzira yekusefa, izvo zvinogona kuvandudza kushanda zvakanaka kwekusefa zvakanyanya. Kunewo data rinoratidza kuti nekuda kwekuti fiber iri mu nanometer melt-jet nonwovens yakatetepa, jira re melt-jet rinogona kusanganiswa nejira rakarukwa rine huremu hwakareruka, iro richiri kukwanisa kutsungirira kumanikidzwa kwakafanana kwemusoro wemvura, uye zvigadzirwa zveSMS zvakagadzirwa kubva mairi zvinogona kuderedza huwandu hwefiber yakanyungudika.
Isu tirijira risina kurukwa rakanyungudutswa remamasiki ekumesofekitori, tinokugamuchirai kuti mutibvunze ~
Nguva yekutumira: Chikunguru-28-2020