Ngoku,i-meltblown nonlukeAmalaphu asetyenziswa kakhulu kwicandelo lezinto zokucoca. Ukusukela ngeminyaka yoo-1970, kuye kwaphuhliswa kwaye kwasetyenziswa iindlela ezahlukeneyo zokutshaja kunye nezihluzo ezizodwa ezinee-electrostatic charges ngokuxuba iifayibha ezahlukeneyo. Isiphumo esikhawulezileyo yinkqubo yangoku ye-electrostatic electret. Okwangoku, iindlela ze-electret ziquka ikakhulu i-electrostatic spinning, i-corona charging, i-friction electrification, i-thermal polarization, i-low-energy electron beam bombardment, i-pure water jet, njl. Ngenxa yeenkqubo ezahlukeneyo ze-electrostatic electret zezinto, iimpawu zemizimba ye-electret ezenziweyo nazo zahlukile kakhulu, kwaye kukho umahluko ekuphuculeni ukusebenza kokucoca kunye nokuqina kwe-electrostatic.
Enyanisweni, ukusebenza kokuhluza kwamalaphu angengowolukiweyo e-meltblown kungaphantsi kwe-70% kuphela, kwaye akwanelanga ukuxhomekeka kuphela kwisiphumo sokuthintela oomatshini sokuhlanganiswa kwe-three-dimensional fibers ye-ultrafine ene-fine fibers, i-voids encinci kunye ne-porosity ephezulu. Ngaphandle koko, ukwandisa nje ubukhulu begram yezinto kuya kwandisa kakhulu ukumelana nokuhluza. Ke ngoko, izixhobo zokuhluza ezinyibilikayo nezitshizayo ngokubanzi zongeza isiphumo sokutshaja kwe-electrostatic kwilaphu elinyibilikayo nelitshizayo ngenkqubo ye-electrostatic electoral-electrode, kwaye kusetyenziswa indlela ye-electrostatic ukuphucula ukusebenza kokuhluza, okunokufikelela kwi-% ukuya kwi-%. Oko kukuthi ukuhlangabezana nomgangatho we-KN95 okanye ngaphezulu.
Izinto zokucoca umoya ze-Electret ZISEBENZISA i-polarity yefayibha ngokwayo ukufunxa uthuli olusebenzisa i-electrostatic kunye nokubamba iintsholongwane. Itshaja yombane ye-electret ye-polypropylene fused jet fiber yahlukile kweyebhanti yokuxinana kwezinto eziqhelekileyo. Akukho sayensi ukuzoba iziqwenga zephepha ukugweba ukuba i-spray enyibilikisiweyo itshaja okanye ukuba imaski inamandla okucoca na ngokusebenzisa umbane wokuxinana. I-Friction electrification yitshaja yexeshana, kukuba itshaja yomphezulu iqokelelwe okwethutyana. Itshaja yokuxinana yitshaja ye-polarized surface positive kunye ne-negative, ngelixa itshaja ye-electret fiber yitshaja yangaphakathi eyongezelelweyo eyongeziweyo ngokusebenzisa itshaja ephezulu ye-voltage ngexesha lenkqubo ye-electret. Ezi tshaja zisasazwa ngaphakathi kwe-porous ye-molded ultrafine fiber ngendlela ye-electret master nanoparticles. Ukumelana kwamanzi kwezinto ze-molded jet kunye nomqobo we-ultrafine fiber kwenza ezi tshaja zivalelwe ngokuqinileyo ngaphakathi. Xa kuphela amasuntswana amancinci angena ngaphakathi komaleko we-molded jet, isiphumo se-electrostatic kunye nolwakhiwo lwe-ultrafine fiber ziqala ukudlala indima.
Okubizwa ngokuba ngumbane ongashukumiyo kungenxa yokuba izinto zejethi ezinyibilikisiweyo ze-polypropylene ngokwazo ziyakhusela, zikwaluhlobo lwezinto ze-electpoles, ngoko ke itshaja ayizukuncitshiswa ngokungacwangciswanga, ichitheke ngokungacwangciswanga. Itshaja yokukhupha i-voltage ephezulu eyongezelelweyo igcinwa kwifayibha ixesha elide ngetshaja yombane eyaneleyo. Ngaphezu koko, bubukho be-charges ezininzi, hayi uhlobo lwetshaja oluveliswa kukungqubana. Ke ngoko, i-macro adsorption ayinakubonisa ngokuthe ngqo ukusebenza kwetshaja ye-microscopic. Iipropathi eziphezulu ze-electrostatic electret kunye ne-open electrostatic electret zeefayibha ze-ultrafine zisetyenziselwa ukubonelela ngokusebenza okuphezulu kunye nomgangatho wokucoca ophantsi. Kwindlela yokusebenza ye-antibacterial kakhulu, ilaphu le-electret elinyibilikisiweyo livuselela intsimi enamandla ye-electrostatic kunye nokuhamba kwe-microelectronics yeebhaktheriya, lenze umonakalo we-protein kunye ne-nucleic acid mutation, litshabalalise iibhaktheriya zesakhiwo somphezulu, libulale iibhaktheriya, likhuphe ii-ions ezingezizo i-tourmaline ngokwayo ivale ezinye iinkqubo ze-metabolic zebhaktheriya, kubandakanya inkqubo yokuphefumla, umsebenzi we-enzyme, ukudluliselwa kobuninzi ukusuka eludongeni lweseli, ngaloo ndlela kuthintele iiseli zebhaktheriya ukuba zibe nefuthe le-antibacterial.
Singabantuumenzi welaphu elingalukwanga elincibilikisiweyo, wamkelekile ukuba ubonisane nathi ~
Ixesha lokuposa: Julayi-30-2020