Iimaskingamalaphu angalukwanga, angalaphu angalukwanga ngokuchaseneyo nelaphu lelaphu, kwaye akhiwe ngemicu ekhomba indlela okanye engacwangciswanga.
Iimaski zonyango ngokuqhelekileyo ziyi-multi-layered structures, ezibizwa ngokuqhelekileyo njengezakhiwo ze-SMS (i-2 S kunye ne-1 M iileya) . Okwangoku, inani eliphezulu leengqimba e-China yi-5, ezizezi SMMMS (ii-2 S kunye ne-3 M).
Yintoni iSMS?
Apha, u-S umele umaleko weSpunbond. Ububanzi befiber bukhulu kakhulu, malunga ne-20 microns (m). Umsebenzi oyintloko weengqimba ze-2 S Spunbond kukuxhasa yonke into engalukiweyo yelaphu, engenawo umphumo omkhulu kwi-barrier.Eyona nto ibalulekileyo ye-mask yi-barrier layer okanye i-Meltblown layer M (i-Meltblown layer). Ububanzi bomaleko wokutshiza otyhidiweyo buncinci, malunga ne-2 microns (M), ngoko ke sisinye seshumi kuphela sobubanzi bomaleko ojikelezayo, odlala indima ebalulekileyo ekuthinteleni ibhaktheriya kunye nokungena kwegazi.
Iimaski zonyango ngokubanzi zihlala zisebenzisa ilaphu lokutshiza elinyibilikayo elinobunzima beegram ezingama-20, iimaski zekomityi ezingama-N95 zisebenzisa ilaphu lokutshiza elinyibilikayo elinobunzima beegram ezingama-40 nangaphezulu.
Ngokwezibalo ze-China Industrial Textile Industry Association, ekupheleni kuka-2018, kukho imigca yemveliso ye-1,477 yasekhaya ephothiweyo, i-65 ngaphezu kwaleyo yonyaka odlulileyo, ngokunyuka konyaka-ngonyaka we-4.6%, phakathi kwayo, i-PP. Umgca wemveliso we-spunbonded non-wovens unyuswe nge-3.38%, umgca wemveliso we-SMS odibeneyo malunga ne-13%, kunye ne-PET Umgca wemveliso we-spunbonded non-wovens nge-9.32%.Inani leenkampani ezinemveliso yonyaka edlula iitoni ezingama-50,000 nazo zanda ukusuka ku-2017.Amashishini aSpunbonded akhawulezisa uphuhliso lwawo ukuya kwisikali, ukuqina kunye nesiphelo esiphezulu ukuhlangabezana nemfuno yemarike yokuphuculwa kwemveliso kunye nobuchwepheshe. ukuphucula.
Ukusukela ngo-2018, amashishini amaninzi asekhaya aphuhlise iimveliso zawo kwicala lendlela yokusebenza elula, encinci kunye nokusebenza okuphezulu, kwaye afumana iziphumo ezilungileyo. ukukhanya okuzinzileyo iimveliso ezisemgangathweni ziyaqhubeka nokuvela.
Ivela phi ilaphu leSMS elingalukwanga?
Amalaphu angalukwanga eSMSubukhulu becala zenziwe kwi-polypropylene PP (kunye neempawu ze-bacteriostatic zendalo kunye ne-hydrophobicity), kunye nobubanzi bemicu bunokufikelela kwi-0.5-10 microns. Le micu ye-ultrafine ene-capillarity ekhethekileyo yonyusa ubungakanani kunye nommandla womphezulu wefiber kwindawo nganye yeyunithi, ngaloo ndlela yenza amalaphu ancibilikisiweyo atshizwe aneempawu ezilungileyo zokucoca umoya, ezenza zibe yimaski efanelekileyo.
Okwangoku, kukho iinkqubo ezintathu eziphambili zokuvelisa iimveliso ze-SMS (i-SMS engalukiweyo ilaphu) : "inkqubo yenyathelo elinye", "inkqubo yamanyathelo amabini" kunye "nenkqubo yesinyathelo esinye nesiqingatha".
Iimpawu zenyathelo elinye kukusetyenziswa kwecandelo lemathiriyeli ekrwada yale nkqubo, kusetyenziswa itekhnoloji ezimbini ezisontiweyo, ezinyibilikayo, iteknoloji ejikelezayo ngokuthe ngqo emva kokunyibilika kwiminatha, okoko nje ulungiselelo olufanelekileyo lwenkqubo eyahlukeneyo yobunjineli bokujikeleza, kunye unokwenza iimveliso ezinesakhiwo esahlukileyo, ilaphu ngalinye lelaphu elaminethiweyo, lidla ngokudityaniswa nelitye lokusila elishushu kwilaphu. umnatha, imeko yenkqubo nganye yokusonta inokulungelelaniswa ngokuzimeleyo, inkqubo yokuvelisa ulawulo oluqinileyo, iimeko zempilo ezilungileyo, isantya esiphezulu, inokulungelelanisa umlinganiselo womaleko ngamnye womnatha wefayibha, inokuvelisa iimveliso zodidi lweSMS lweenkcukacha ezahlukeneyo. iteknoloji eqhelekileyo namhlanje.
Inkqubo yamanyathelo amabini: Xa usebenzisa inkqubo yamanyathelo amabini ukuvelisa iimveliso ze-SMS, iimveliso ezigqityiweyo zelaphu eliphothiweyo kunye nelaphu elincibilikisiweyo lityhidiwe lityhidiwe ngendlela ethile, kwaye emva koko i-laminated ngokulandelelana, ize idibaniswe nelitye elitshisayo, kwaye idibaniswe kwiimveliso ze-SMS.Indlela yamanyathelo amabini ibonakaliswe ngezixhobo ezilula kunye neendleko eziphantsi. Enyanisweni, inkqubo "yenyathelo ezimbini" yinkqubo esetyenziswa ngokubanzi kwi-lamination composite technology, kodwa Kananjalo inokudityaniswa nezinye izinto, kunye nezinye izinto ezahlukeneyo, kunye neendlela ezahlukeneyo, ezinje nge-ultrasonic, i-adhesive eshushu enyibilikayo encamathelayo emithathu yemathiriyeli kunye.
Indlela yenyathelo enye enesiqingatha: kwindlela enamanyathelo amabini, kuyenzeka ukuba kuthathelwe indawo imveliso yelaphu lokutshiza elinyibilikisiweyo kunye nomnatha otyhidiweyo wokutshiza umaleko wefayibha oveliswe entsimini, ngaloo ndlela uthatyathwe kwinto ebizwa ngokuba yi "nyathelo elinesiqingatha." Ilaphu eliphothiweyo lisetyenziswa njengomaleko ongezantsi kunye nomaleko womphezulu ngezixhobo ezibini ezingaphendukiyo, kwaye umnatha wokutshiza wefayibha onyibilikayo womaleko ophakathi ujijwa ngqo Umnatha ngenkqubo yokutshiza yokunyibilika, ebekwe kumaleko asezantsi welaphu eliphothiweyo, kwaye emva koko igqunywe ngomgangatho ophezulu welaphu eliphothiweyo, kungcono ukusebenzisa isisila esishushu esidityaniswe kwiimveliso zeSMS.
Ixesha lokuposa: Sep-14-2020