Tun da safe na 21st karni, ci gaban damasana'anta mara saƙa mai narkewaa duniya ya kasance yana ci gaba ta hanyar hops da iyakoki.
Kamfanin Hills da Kamfanin Nordson na Amurka sun sami nasarar haɓaka fasahar narkewar abubuwa biyu a baya, gami da nau'in fatar jiki, nau'in gefe-gefe, alwatika, da sauransu, gabaɗaya ingancin fiber yana kusa da 2 & micro;, da adadin ramuka a cikin inci na abubuwan da ke narkewa na iya kaiwa ramuka 100, girman extrusion na kowane rami zai iya kaiwa 0.5 g/min.

Meltblown Nonwoven FabricDomin N95 99 Mask | JINHAOCHENG

Nau'in fata Yana iya sa masana'anta mara saƙa suyi laushi kuma za'a iya sanya su ta zama mai ma'ana, ƙayyadaddun ƙayyadaddun samfura da na musamman. Gabaɗaya, ana amfani da kayayyaki masu arha azaman ainihin asali, kuma polymers masu daraja tare da fakiti na musamman ko tambaya sune shimfidar fata na waje. Don kwatanta, ainihin shine polypropylene, kuma fata na waje shine nailan don yin fiber hygroscopic; Narke batu polyethylene ko modified polypropylene, modified polyester, da dai sauransu Don carbon baki conductive filaments, da conductive core ne nannade waje.
Nau'in gefe-gefe Yana iya sa masana'anta da ba saƙa su sami kyawu mai kyau. Gabaɗaya an yi shi da polymers daban-daban guda biyu, ko kuma polymer iri ɗaya tare da yawa daban-daban. karkace filaments. Misali, Kamfanin 3M ya ƙera masana'anta mara saƙa na narke-busa PET/PP filaments bicomponent. Saboda rashi daban-daban, an kafa ƙugiya mai ƙugiya, wanda ke sa masana'anta da ba a saka ba suna da kyakkyawar pliantness.

Nau'in tukwici Wannan shine don haɗa wani polymer a cikin nau'in trilobal, nau'in giciye da tip. Alal misali, lokacin yin antistatic, zafi-gudanarwa, da kuma conductive filaments, za a iya hada polymer conductive a kan tip, wanda zai iya gudanar da zafi da kuma gudanar da wutar lantarki., antistatic, da kuma ajiye adadin conductive polymer.
Ana iya amfani da nau'in ƙananan maƙasudi mai siffa mai siffa ta lemu, nau'ikan kwasfa mai siffar tsiri, ko tsarin tsibiri na teku. Ana murƙushe polymers guda biyu marasa jituwa don yin gidan yanar gizo na fiber ultrafine, ko kuma nanofiber webs, kwatankwacin nau'in filaments na bicomponent wanda Kimberly- Clark ya ƙera, waɗanda filayen bicomponent ne da aka yi da polymers guda biyu marasa jituwa. A cikin ƙasa da daƙiƙa guda na filaments na abubuwa a cikin ruwan zafi, ana iya cire polymers biyu gaba ɗaya don samar da gidan yanar gizo na microfiber. Nau'in tsibirin yana buƙatar narkar da teku don samun hanyar sadarwa mai kyau na fiber tsibirin.

nau'in mongrel Yana da gidan yanar gizo na fiber wanda ya haɗu da kayan ado daban-daban, launuka daban-daban, nau'o'in filaments daban-daban, siffofi daban-daban, kuma hakika tare da filaments na fata-core, bothco-spun and bicomponent filaments, don haka filaments suna da fakitin da ake bukata. Kayayyakin fiber narke, irin wannan nau'in narke-ƙasa bicomponent fibernon ɗin masana'anta ko masana'anta da aka saka da fibernon ɗin da aka haɗe na iya ƙara haɓakawa. da filterability na sludge matsakaici, da kuma sa sludge matsakaici da antistatic, lantarki watsin, hygroscopicity, inganta ameliorate shinge parcels, da dai sauransu. ko inganta haɗin kai, haɓaka da haɓakar iska na gidan yanar gizon fiber.

Filayen narkar da abubuwa biyu na narkar da aikin polymer guda ɗaya. Alal misali, polypropylene yana da arha sosai, amma idan ana amfani dashi a cikin kayan aikin likita, ba ya jure wa radiation. Ta wannan hanyar, ana iya amfani da polypropylene azaman ainihin kuma ana iya sanya sunan wani yanki na waje mai dacewa. Ana iya amsa matsalar juriyar radiyo ta hanyar bel na polymer mai juriya a waje. Ta haka, samfurin zai iya zama mai araha kuma yana iya cika yanayin aiki, kama da zafi da masu musayar danshi waɗanda za'a iya amfani da su a cikin tsarin numfashi a fannin likitanci, kuma yana iya ba da yanayi mai dacewa-kamar zafi da danshi. Hasken fuka-fuki ne, mai yuwuwa ko kuma mai sauƙin gogewa, mai araha, kuma yana aiki azaman sabon sludge don cire gurɓataccen abu. Ya ƙunshi mahaɗaɗɗen gauraye biyu masu narkewar gidajen yanar gizo. Yana ɗaukar jaket-core bicomponent fiber, ainihin shine polypropylene, fata kuma nailan. Bi-bangaren filaments kuma za a iya amfani da musamman-structuredcross-sections, kama trilobal da Multi-lobed, don sa fuskar fuska girma, kuma a lokaci guda, polymers da za su iya inganta tacewa yi za a iya amfani da a fuska subcaste ko tip part. . Olefin ko polyester meltblown bicomponent fiber webs za a iya sanya su wani ruwa mai siffar zobe da kuma iskar gas. Hakanan ana iya amfani da raƙuman fiber ɗin da aka busa guda biyu don tip ɗin sigari; yi amfani da tasirin wicking don yin babban mahimmancin rubutun rubutu; sandar wicking don riƙe ruwa da jiko, da sauransu.

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