Melt yakapepereswa jira risiri rakarukwa ndiyo musimboti wekusefa layer yemasiki!
Nyunguduka jira risingarukwa
Mucheka wakanyunguduka wakanyunguduka unonyanya kugadzirwa nepolypropylene sechinhu chikuru mbishi, uye iyo fiber dhayamita inogona kusvika 1-5 microns. Iwo ultrafine faibha ane yakasarudzika capillary chimiro ane akawanda maburi, fluffy chimiro, uye yakanaka wrinkle kuramba, izvo zvinowedzera huwandu uye pamusoro penzvimbo yefiber pane imwe unit nzvimbo, nekudaro ichiita kuti jira rakanyungudutswa rive nekusefa kwakanaka, kudzivirira, kupinza, uye kunyudza mafuta. Inogona kushandiswa muminda senge mhepo uye mvura yekusefa zvinhu, zvekuzviparadzanisa nevamwe, zvinonwisa zvinhu, mask zvinhu, zvekudzivirira, zvinhu zvinotora mafuta, uye machira ekupukuta.
Maitiro ekunyunguduka akafemerwa jira risiri rakarukwa: kudyisa kwepolymer - kunyungudika extrusion - kugadzirwa kwefiber - kutonhora kwefiber - webhu kuumbwa - kusimbisa mumucheka.
Application scope
(1) Machira ekurapa uye ehutsanana: machira ekuvhiya, zvipfeko zvekudzivirira, mabhegi ekuuraya utachiona, masiki, manapukeni, napkins dzevakadzi dzehutsanana, nezvimwe;
(2) Machira ekushongedza pamba: machira emadziro, machira etafura, machira emubhedha, mabhedha, nezvimwe;
(3) Machira ekupfeka: lining, adhesive lining, floc, kuumba donje, akasiyana ekugadzira ematehwe machira ebhesi, nezvimwe;
(4) Machira emaindasitiri: mafirita zvinhu, zvekudzivirira, simende yekurongedza mabhegi, geotextiles, machira ekuputira, nezvimwe;
(5) Machira ekurima: jira rekudzivirira zvirimwa, jira rekusimudzira mbeu, jira rekudiridza, machira ekudzivirira, nezvimwe;
(6) Zvimwe: donje remuchadenga, insulation uye zvinhu zvinodzivirira ruzha, zvinonwisa mafuta, mafirita efodya, mabhegi etii, nezvimwe.
Meltblown jira rinogona kunzi "moyo" wekurapa masks ekuvhiya uye N95 masks
Masks ekuvhiya ekuvhiya uye N95 masks anowanzo tora akawanda-layer chimiro, akapfupikiswa seSMS chimiro: mukati nekunze mativi ari single-layer spunbond layer (S); Rutivi rwepakati irwo runyoro runopeperetswa (M), runogaro patsanurwa kuita danga rimwechete kana akawanda.
Flat masks anowanzo gadzirwa nePP spunbond + melt blown + PP spunbond, kana mapfupi mafiber anogona kushandiswa mune imwe layer kugadzirisa ganda. Masiki matatu-dimensional kapu-yakaita kapu inowanzogadzirwa nePET polyester tsono yakaroverwa donje+yakanyungudika+tsono yakaroverwa donje kana PP spunbond. Pakati pazvo, iyo yekunze dhizaini yakagadzirwa nemucheka usina kuruka nekurapa kwemvura, inonyanya kushandiswa kuparadzanisa madonhwe akapfapfaidzwa nevarwere; Iyo yepakati meltblown layer ndeye yakanyatsogadziriswa yakanyungudutswa isina-yakarukwa jira ine yakanakisa kusefa, nhovo, insulation, uye mafuta absorption zvimiro, izvo zvakakosha mbishi zvinhu zvekugadzira masiki; Iyo yemukati layer inogadzirwa neyakajairika jira risiri rakarukwa.
Kunyangwe iyo spunbond layer (S) uye meltblown layer (M) yemasiki ese ari maviri asina-kurukwa machira uye akagadzirwa ne polypropylene, maitiro avo ekugadzira haana kufanana.
Pakati pavo, dhayamita ye spunbond layer fibers kumativi ose ari maviri akaenzana, akapoteredza 20 microns; Iyo fiber dhayamita yeyakanyunguduka yakavhuvhuta layer iri pakati ingori 2 microns, yakagadzirwa ne polypropylene material inonzi high melt fat fiber.
Mamiriro ekusimudzira ekunyunguduka akaputika machira asina kurukwa muChina
China ndiyo inogadzira pasi rose machira asiri akarukwa, ane huwandu hwekugadzira hunosvika 5.94 miriyoni matani muna 2018, asi kugadzirwa kwemachira asina kurukwa akanyunguduka kwakadzikira.
Zvinoenderana nehuwandu hweChina Industrial Textile Indasitiri Association, maitiro ekugadzira eChina asiri akarukwa machira indasitiri inonyanya spunbond. Muna 2018, kugadzirwa kwespunbond nonwoven jira raive 2.9712 miriyoni matani, achiverengera makumi mashanu muzana eiyo yakazara nonwoven kugadzirwa kwemachira, anonyanya kushandiswa muminda yehutsanana, nezvimwe; Iyo chikamu che melt blown tekinoroji inongova 0.9%.
Zvichienderana nekuverenga uku, kugadzirwa kwemumba kweakanyungudutswa machira asina kuruka muna 2018 aive 53500 matani pagore. Aya machira akanyunguduka haango shandiswe kumasiki chete, asiwo zvekuchengetedza kwezvakatipoteredza, zvipfeko zvekupfeka, bhatiri separator zvinhu, zvekupukuta, nezvimwe.
Pasi pedenda, kudiwa kwemasks kwakawedzera zvakanyanya. Zvinoenderana nedata rechina rehupfumi hwenyika, huwandu hwese hwevashandi vemasangano emutemo edzimba nemabhizinesi ega hwakakwira se533 miriyoni vanhu. Yakaverengerwa pamasiki imwe pamunhu pazuva, anokwana 533 miriyoni masiki anodiwa pazuva.
Zvinoenderana nedata kubva kubazi reIndasitiri neRuzivo rweTekinoroji, huwandu hwemazuva ese hwekugadzira masiki muChina parizvino mamirioni makumi maviri.
Kune kushomeka kukuru kwemasks, uye makambani mazhinji atanga kugadzira masiki kuyambuka miganhu. Sekureva kweTianyancha data, zvichibva pakuchinja kweruzivo rwekunyoresa bhizinesi, kubva muna Ndira 1 kusvika Kukadzi 7, 2020, mabhizinesi anopfuura zviuru zvitatu munyika yose akawedzera mabhizinesi akadai se "masks, zvipfeko zvekudzivirira, mishonga inouraya utachiona, mathermometers, uye michina yekurapa" kune bhizinesi ravo.
Kuenzaniswa nevagadziri vemasiki, hapana akawanda anonyunguduka akafemerwa asiri akarukwa machira ekugadzira mabhizinesi. Mumamiriro ezvinhu aya, hurumende yakaunganidza mamwe mabhizinesi ekutanga kuti atange zvizere kugadzira uye kuwedzera huwandu hwekugadzira. Nekudaro, parizvino, kutarisana nekudiwa kwemachira akanyunguduka asiri akarukwa pamapuratifomu emucheka uye pakati pevanofarira machira, haina tariro. Kumhanyisa kwekugadzira kweChina kwakatarisana nematambudziko asina kumboitika mudenda iri! Asi ndinotenda kuti pamberi pemamiriro ekuvandudza zvishoma nezvishoma, zvese zvichava nani.
Nguva yekutumira: Sep-11-2024