Zombini i-spunbond kunye ne-meltblown ziitekhnoloji zenkqubo yokwenza amalaphu angalukwanga kusetyenziswa iipholima njengezinto ezikrwada, kwaye umahluko omkhulu ulele kurhulumente kunye neendlela zokusetyenzwa kweepolymers.
Umgaqo we-spunbond kunye ne-meltblown
I-Spunbond ibhekisa kwilaphu elingalukwanga elenziwe ngokukhupha imathiriyeli yepolymer kwimo etyhidiweyo, ukutshiza imathiriyeli etyhidiweyo kwi-rotor okanye emlonyeni, ukolula kunye nokuqina ngokukhawuleza kwimeko etyhidiweyo ukwenza imathiriyeli ye-fibrous, kwaye emva koko iyalukwa kwaye idityanise iintsinga ngeebhanti ze-mesh okanye i-electrostatic spinning. Umgaqo-siseko kukunyusa ipholima enyibilikisiweyo nge-extruder, kwaye emva koko uhambe kwiinkqubo ezininzi ezinje ngokupholisa, ukolula, kunye nokwelula okubhekisayo ekugqibeleni wenze ilaphu elingalukwanga.
I-Meltblown yinkqubo yokutshiza imathiriyeli yepolymer ukusuka kwimeko enyibilikileyo ngokusebenzisa imilomo enesantya esiphezulu. Ngenxa yempembelelo kunye nokupholisa kwe-air-speed high-speed, izinto zepolymer ziqina ngokukhawuleza zibe yimicu kwaye zihlakazeke emoyeni. Emva koko, ngokuhlala kwendalo okanye ukusetyenzwa okumanzi, ilaphu elihle lefiber mesh elingalukwanga liye lenziwe ekugqibeleni. Umgaqo kukutshiza izixhobo zepolymer ezinobushushu obuphezulu, zolule zibe yimicu ecolekileyo ngokuphuma komoya ngesantya esiphezulu, kwaye ziqine ngokukhawuleza zibe ziimveliso ezivuthiweyo emoyeni, zenza umaleko wemathiriyeli yelaphu elicolekileyo elingalukwanga.
Umahluko phakathi kwelaphu elingalukwanga elivuthelweyo elivuthelweyo kunye nelaphu elingaphothiweyo eliyi spunbond
Iindlela ezahlukeneyo zokuvelisa
Ilaphu elinyibilikayo elingalukwanga lenziwa ngetekhnoloji yokutshiza, apho imathiriyeli yepolymer inyibilika kwaye itshizwe kwitemplate, ngelixa ilaphu elingalukwanga le-spunbond licutshungulwa libe lilaphu elingalukwanga ngokunyibilikisa imicu yekhemikhali ibe yimicu eqinileyo ngesenzo sokunyibilika okanye ubushushu obuphezulu, emva koko kusetyenzwe kwilaphu elingalukwanga ngoomatshini okanye ukusabela kweekhemikhali.
Iinkqubo ezahlukeneyo zobuchwepheshe
(1) Iimfuno zemathiriyeli ekrwada zahlukile. I-Spunbond idinga i-MFI ye-20-40g / min ye-PP, ngelixa i-melt blown ifuna i-400-1200g / min.
(2) Iqondo lobushushu lokujikeleza lahlukile. I-Melt blown spinning yi-50-80 ℃ ngaphezulu kwe-spunbond spinning.
(3) Isantya esolula semicu siyahluka. I-Spunbond 6000m/min, inyibilika ivuthelwe i-30km/min.
(4) Ngethamsanqa, umgama awugudi. I-Spunbond 2-4m, inyibilika ivuthelwe i-10-30cm.
(5) Iimeko zokupholisa kunye nokwelula zihlukile. Iintsinga zeSpunbond zizotywa kusetyenziswa i-16 ℃ umoya obandayo onoxinzelelo olulungileyo/ongalunganga, ngelixa iifuse zivuthelwa kusetyenziswa isitulo esishushu esinobushushu obusondele kuma-200 ℃.
Umahluko kwiimpawu zomzimba
Amalaphu eSpunbondbabe namandla ophukayo aphezulu kunye nobude kunamalaphu anyibilikisiweyo, okukhokelela kumaxabiso aphantsi. Kodwa ukuva kwesandla kunye nokufana kwe-fiber mesh akukuhle.
Ilaphu le-Meltblown lithambile kwaye lithambile, lisebenza ngokusulungekileyo, ukuchasana okuphantsi, kunye nokusebenza kakuhle komqobo. Kodwa amandla aphantsi kunye nokuxhatshazwa okungahambi kakuhle.
Ukuthelekiswa kweempawu zenkqubo
Enye yeempawu zamalaphu angaphothiweyo anyibilikayo kukuba ukucoleka kwefayibha kuncinci, ngokuqhelekileyo kungaphantsi kwe-10um (micrometers), kunye neentsinga ezininzi ezinobuhle phakathi kwe-1-4um. Amandla ahlukeneyo kuwo wonke umgca wokujikeleza ukusuka kwi-nozzle ye-meltblown die kwisixhobo esifumanayo ayikwazi ukugcina ibhalansi (njengokuguquguquka kwamandla okunwebeka kweqondo lokushisa eliphezulu kunye nesantya esiphezulu somoya, isantya kunye nobushushu bomoya opholileyo, njl.), okubangelwa ukuguquguquka kwe-fineness ye-meltblown fibers.
Ukufana kwedayamitha yefayibha kwi-spunbond yelaphu engalukwanga yewebhu ingcono kakhulu kuneentsinga ezinyibilikayo, kuba kwinkqubo yespunbond, iimeko zenkqubo yokusonta zizinzile, kwaye iimeko zokolula kunye nokupholisa ziyaguquguquka ngakumbi.
Ukuthelekiswa kweCrystallization kunye neDegree yokuqhelaniswa
Ubukhazikhazi kunye nokuqhelaniswa neentsinga ezinyibilikayo zincinci kunezo ze-spunbond fibers. Ngoko ke, ukomelela kweentsinga ezinyibilikayo kumbi kakhulu, kwaye nokomelela kwe-fiber web nako kumbi. Ngenxa yokungalungi kakuhle kwamalaphu angalukwanga anyibilikayo, olona setyenziso lwamalaphu angalukwanga anyibilikayo axhomekeke ikakhulu kwiimpawu zeentsinga zawo ze-ultrafine.
Uthelekiso phakathi kweentsinga ezinyibilikayo ezisontiweyo kunye neentsinga ze-spunbond
A, Ubude beFayibha – ispunbond lusinga olude, i-meltblown lusinga olufutshane
B, Amandla eFayibha - ukomelela kwefayibha ye-spunbond>amandla efayibha enyibilikayo
Ukulunga kweFayibha - Iintsinga ezinyibilikayo zicolekile kuneentsinga zespunbond
Iimeko ezahlukeneyo zesicelo
Imimandla yesicelo se-spunbond kunye ne-meltblown nayo yahlukile. Ngokwesiqhelo, amalaphu e-spunbond asetyenziswa ikakhulu kucoceko kunye neemveliso zemizi-mveliso, ezinje ngeenapkins zococeko, iimaski, ilaphu lokucoca, njl. Ngenxa yokwakheka kwawo okubhityileyo kunye nokushinyeneyo, amalaphu anyibilikayo aneziphumo ezingcono zokuhluza kwaye anokucoca ngcono amasuntswana amahle kunye namasuntswana entsholongwane.
Uthelekiso lweendleko phakathi kwe-spunbond kunye ne-meltblown
Kukho umahluko omkhulu kwiindleko zemveliso phakathi kwe-spunbond kunye ne-meltblown. Ixabiso lemveliso ye-spunbond liphezulu kakhulu kuba lifuna amandla amaninzi kunye neendleko zezixhobo. Ngexesha elifanayo, ngenxa yeentambo ezinzulu, iingubo eziveliswa yi-spunbond zinesandla esinzima kwaye zinzima kakhulu ukuba zamkelwe kwiimarike.
Ngokuchasene noko, ixabiso lemveliso ye-meltblown liphantsi ngenxa yokuba linokunciphisa iindleko ngemveliso enkulu kunye nokuzenzekelayo. Kwangaxeshanye, ngenxa yeentsinga ezicolekileyo, amalaphu anyibilikayo anokuthamba okuthambileyo nangcono, anokuhlangabezana ngcono neemfuno zemarike.
【 Isiphelo 】
Meltblown ilaphu nonwoven kunyeilaphu le-spunbond nonwovenziindidi ezimbini ezahlukeneyo zemathiriyeli engalukwanga eneenkqubo ezahlukeneyo zokuvelisa kunye neempawu. Ngokuphathelele isicelo kunye nokukhetha, kuyimfuneko ukuqwalasela ngokubanzi iimfuno zangempela kunye neemeko zokusetyenziswa, kwaye ukhethe eyona nto ifanelekileyo yelaphu engalukwanga.
Dongguan Liansheng Non woven Technology Co., Ltd.yasekwa ngoMeyi 2020. Lishishini elikhulu lemveliso yelaphu elingalukiweyo elidibanisa uphando nophuhliso, imveliso, kunye neentengiso. Inokuvelisa imibala eyahlukeneyo ye-PP spunbond amalaphu angalukwanga kunye nobubanzi obungaphantsi kwe-3.2 yeemitha ukusuka kwi-9 grams ukuya kwi-300 grams.
Ixesha lokuposa: Sep-07-2024