Polypropylene spunbond nonwoven npuag yog ib yam tshiab ntawm cov khoom siv los ntawm molten polypropylene los ntawm cov txheej txheem xws li spinning, mesh forming, felting, thiab shaping. Polypropylene spunbond nonwoven npuag muaj lub cev zoo thiab cov khoom siv kho tshuab, thiab yog siv dav hauv kev tsim kho, kev kho mob, kev tu cev, khoom vaj khoom tsev, thiab tsheb.
Cov txheej txheem ntws los ua cov ntaub tsis-woven los ntawm polypropylene: polymer pub - yaj extrusion - fiber ntau tsim - fiber ntau txias - web tsim - txhawb rau hauv ntaub.
Cov lus qhia ntxaws ntxaws ntawm cov txheej txheem ntws los ua cov ntaub tsis-woven los ntawm polypropylene:
Sib tov polypropylene thiab additives tusyees nyob rau hauv ib tug tov khoom, thiab ntxiv cov resulting sib tov rau lub feeder nyob rau hauv ib tug extruder (xws li ib tug ntxaib-ntsia hlau extruder). Cov khoom nkag mus rau hauv ntxaib-ntsia hlau los ntawm feeder, yog yaj thiab sib tov tusyees los ntawm cov ntsia hlau, extruded, granulated, thiab qhuav kom tau cov ntaub tsis-woven raw khoom pellets; Tom qab ntawd, cov khoom tsis-woven npuag raw khoom pellets yog ntxiv rau ib qho ntsia hlau extruder rau melting thiab sib tov, extrusion, airflow stretching, txias thiab solidification, mesh nteg, thiab ntxiv dag zog.
Raw khoom npaj
Polypropylene yog ib hom polyolefin tsev neeg, thiab nws cov txheej txheem molding yog ua raws li cov melt flowability ntawm polymers. Lub ntsiab raw khoom rau kev npajpolypropylene spunbond nonwoven ntaubyog polypropylene hais, feem ntau nrog ib tug particle loj ntawm 1-3 millimeters. Tsis tas li ntawd, cov khoom siv ntxiv xws li cellulose thiab iav fiber ntau yuav tsum tau ntxiv, thiab cov txheej txheem tsim tshwj xeeb yog siv los yaj cov khoom mus rau hauv cov kua nplaum nplaum. Thaum lub sij hawm tsim khoom, yuav tsum tau them nyiaj rau kom cov ntaub ntawv raw qhuav thiab tsis txhob sib tov ntawm impurities.
Qhuav spinning
Melt spinning yog ib qho ntawm cov txheej txheem tseem ceeb rau kev npaj polypropylene spunbond nonwoven fabrics. Muab cov khoom siv polypropylene tso rau hauv lub hopper pub, pub rau hauv lub qhov cub melting los ntawm cov ntsia hlau conveyor, ua kom sov rau qhov tsim nyog kub, thiab ces nkag mus rau hauv lub tshuab spinning. Lub tshuab spinning extrudes molten polypropylene rau hauv cov pores zoo los tsim fibers. Thaum lub sij hawm tus txheej txheem no, yuav tsum tau them nyiaj mloog mus rau kev kho tsis xws li cua sov kub, extrusion siab, thiab txias npaum li cas los xyuas kom meej lub uniformity thiab fineness ntawm fibers.
Net tsim
Tom qab yaj spinning, polypropylene tau tsim cov fibers tas li, thiab nws yog qhov tsim nyog los tsim cov fibers rau hauv mesh. Mesh forming adopts txoj kev tshuaj tsuag txoj kev, qhov twg fibers yog txau mus rau ib lub nruas thiab ces kho nrog cov txheej txheem xws li cua sov, txias, thiab dov rau interweave lub fibers thiab tsim ib tug non-woven ntaub zoo li cov qauv. Thaum lub sij hawm tus txheej txheem no, tsis xws li nozzle density, nplaum ntau npaum, thiab ceev yuav tsum tau tswj kom muaj nuj nqis kom lub uniformity thiab zoo ntawm cov khoom tiav.
Shrink velvet
Shrinking yog tus txheej txheem ntawm kev txo covtiav spunbond nonwoven ntaubmus rau lub hom phiaj loj. Nws muaj ob hom kev xav: dry felting thiab ntub felting. Qhuav shrinkage yog kho nrog kub thiab high humidity, thaum ntub shrinkage yuav tsum tau ntxiv ib tug wetting neeg sawv cev thaum lub sij hawm shrinking txheej txheem. Thaum lub sij hawm shrinking txheej txheem, yuav tsum tau them nyiaj mloog mus rau kev tswj tsis xws li shrinkage tus nqi, lub sij hawm kho cua sov, thiab kub los xyuas kom meej lub stability ntawm cov khoom tiav loj.
Tsau duab
Kev sib sau yog cov txheej txheem ntawm cua sov lub shrunk spunbond nonwoven ntaub los tuav nws cov duab thiab loj. Cov txheej txheem shaping yog ua los ntawm kev siv cov yob kub, airflow, thiab lwm txoj kev, thaum them nyiaj rau kev tswj tsis xws li kub, ceev, thiab siab kom ruaj khov zoo ntawm shaping.
Cov txheej txheem shaping ntawm spunbond nonwoven npuag yuav tsum kub nias thiab fusion nrog high-temperature kub cua tom qab molding. Nyob rau hauv cov txheej txheem no, cov ntaub tsis-woven nkag mus rau hauv cov cua kub chamber, thiab nyob rau hauv qhov kev txiav txim ntawm high-ceev huab cua kub, qhov sib txawv ntawm cov fibers yog melted, ua rau cov fibers rau ib leeg, ua rau lawv ceev thiab zoo li, thiab thaum kawg tsim ib tug spunbond uas tsis yog-woven npuag uas tau zoo li tus thiab kub nias.
Cua hlob
Cov txheej txheem winding yog dov tsis-woven npuag nrog ib qho dav thiab ntev rau kev ua haujlwm tom ntej thiab kev thauj mus los. Lub tshuab winding feem ntau yog siv lub tshuab ua kua siv lead ua kua thiab lub programming controller rau kev ua haujlwm, uas tuaj yeem kho qhov tsis xws li qhov loj thiab ceev raws li qhov xav tau.
Kev ua haujlwm
Spunbond non-woven npuag yog cov khoom siv sib xyaw ua ke uas siv tau los ua ntau hom ntaub, khaub ncaws, qhov ncauj qhov ntswg, lim xov xwm, thiab lwm yam. Thaum lub sij hawm ua, ntau txoj kev kho mob xws li ntxuav thiab ntxuav, luam ntawv thiab dyeing, zaj duab xis txheej, thiab lamination kuj yuav tsum tau ua kom tiav cov khoom sib txawv thiab sib txawv.
Cov ntsiab lus
Cov txheej txheem ntws ntawm polypropylene spunbond nonwoven npuag feem ntau suav nrog: cov khoom siv raw, yaj spinning, mesh sib sau, kev xav, thiab shaping. Ntawm lawv, peb cov txheej txheem tseem ceeb ntawm yaj spinning, mesh forming, thiab shaping muaj qhov cuam tshuam loj tshaj plaws ntawm lub cev thiab cov khoom siv ntawm cov khoom tiav, thiab kev tswj hwm ntawm lawv cov txheej txheem tsis yog qhov tseem ceeb. Polypropylene spunbond nonwoven npuag muaj qhov zoo ntawm lub teeb yuag, lub zog siab, thiab ua pa zoo, thiab muaj kev nthuav dav dav hauv kev siv yav tom ntej.
Dongguan Liansheng Nonwoven Fabric Co., Ltd., cov chaw tsim khoom ntawm cov ntaub ntawv tsis-woven thiab non-woven fabrics, tsim nyog ntawm koj txoj kev ntseeg siab!
Post lub sij hawm: Aug-07-2024