Ukwenziwa kweemveliso ezinyibilikayo ezinyibilikayo zibhekisa ikakhulu kwiimpawu zazo zomzimba nezomatshini, njengamandla, ukuphefumla, idiameter yefiber, njl. Namhlanje, umhleli uya kuhlalutya ngokufutshane izizathu zokungabikho kokuqina kwiingubo ezinyibilikayo. Ukuba awukwazi ukuyichaza kakuhle, nceda unike isikhokelo kunye neengcebiso!
Nyibilikisa ibakala elivuthelweyo lepolypropylene PP isuntswana lemathiriyeli ekrwada
Isalathiso sokunyibilika (i-MFI) samasuntswana epolypropylene sinxulumene ngokuthe ngqo kumandla okuqina kunye namandla agqabhukileyo amalaphu angenawo anyibilikayo avuthelweyo.Okusezantsi kobunzima bemolekyuli yepolymer, kokukhona isalathisi sokunyibilika kokunyibilika (MFI), kwaye isezantsi i-viscosity yokunyibilika, iyenza ifaneleke ngakumbi kubuthathaka.
Ukolula umphumo kwiinkqubo zokutshiza
Ukuphakama kwesalathiso sokunyibilika, kokukhona amandla enyibilika evuthelwa ifayibha enye kwaye asezantsi amandla ewebhu yefiber.
Kwimveliso yangempela, ngaba i-polypropylene ene-MFI ephezulu okanye i-MFI ephantsi isetyenziswe?
I-MFI encinci: iyakwazi ukuvelisa amalaphu angalukwanga anyibilikayo anamandla aphezulu.
I-MFI enkulu: imveliso ephezulu, ukusetyenziswa kwamandla aphantsi. Ke ngoko, imeko yangoku kukusebenzisa izixhobo eziphakamileyo zeMFI.
Melt grade polypropylene iipellets zePP: MFI>1500
Oko kukuthi, ukuba ufumanisa ukuba i-meltblown fabric eveliswayo "i-brittle kakhulu", jonga kuqala isalathisi esinyibilikayo sezinto eziluhlaza. Indlela ethile yokujonga le parameter ixhomekeke apho uthenge khona izinto ezikrwada.
Inkqubo yokunyibilika
Isizathu sokuba kutheni ukuhamba komoya oshushu kuncinci kakhulu:
Isantya somoya oshushu siyenyuka;
Ubukhulu bedayamitha yefiber;
Amandla anxulumene nemicu enye ayanda;
Impembelelo yokudibanisa phakathi kweefayili kwiwebhu iyanda, kwayeukomelela kwelaphu elingalukwangaukwanda.
Isantya sokuhamba komoya oshushu silawulwa phakathi kwe-0.08-0.2. Umlinganiselo wokuhamba komoya kufuneka uhlale ungaguquguquki kwaye awukwazi ukuguquguquka ngokukhawuleza. Ukuba izinga lokuhamba liphezulu kakhulu, liya kwenza into "yokudubula". Ngenxa yoluhlu olubanzi lwezixhobo zokubonelela ngegesi kwimarike yangoku kunye nokusebenza okungalinganiyo, iingxaki kufuneka ziphathwe ngokuhlukileyo kwaye iiparameters zenkqubo yokutshiza i-melt kufuneka zilungiswe ngokuguquguqukayo.
Ubushushu bentloko yokungunda evuthelweyo
Ukuphakama kweqondo lokushisa, i-viscosity ephantsi ye-melt, kunye ne-fiber fibers
Nangona kunjalo, i-viscosity ephantsi ye-melt inokubangela ukunwebeka ngokugqithiseleyo kwe-melt filaments, okubangela ukuba i-ultra short and ultrafine fibers isasazeke emoyeni kwaye ayinakuqokelelwa. Ngoko ke, i-viscosity ye-polymer inyibilika kwinkqubo yokutshiza i-melt ayiyona nto ingcono xa iphantsi. Ngamaxesha anje, kusenokubakho isenzeko 'seentyatyambo ezibhabhayo', apho kungekho micu iqokeleleneyo okanye ihlakazeke emoyeni.
Ubushushu bentloko yokungunda, iflange, kunye nengqiniba kufuneka bugcinwe kumgca okwinqanaba elilinganayo, kwaye la maqondo obushushu mathathu akufunekanga aphambuke kakhulu.
Oku ngasentla luhlalutyo lwezizathu zokuba kutheni amalaphu anyibilikisiweyo abe brittle kwaye abe namandla angonelanga okuqina. Kuxhomekeke kumandla e-brittleness yelaphu, kwaye inkqubo yokuvelisa kufuneka ilungiswe ngokufanelekileyo. Ukuveliswa kweendwangu ezincibilikisiweyo akunzima, kodwa ubunzima buxhomekeke kwinkqubo yokwenza i-meltblown, efuna ubuninzi bokuqokelela amava ukulungelelanisa ukusebenza kwezixhobo. Kubahlobo abangaqondi ngokwenene, banokufumana umphathi othembekileyo wokulungelelanisa umatshini okanye baqhagamshelane nomhleli ukuze baxoxe kwaye bakhuthaze kunye!
Dongguan Liansheng Nonwoven Fabric Co., Ltd., umenzi weempahla ezingalukiweyo kunye neendwangu ezingabonakaliyo, ufanelekile ukuthembela kwakho!
Ixesha lokuposa: Dec-14-2024