spunbond thiab meltblown yog ob txoj kev sib txawv hauv kev tsim cov ntaub nonwoven, thiab lawv ua rau cov ntaub ntawv nrog cov yam ntxwv sib txawv. Nov yog qhov sib txawv tseem ceeb ntawm spunbond thiab meltblown nonwoven fabrics:
**1. Txheej txheem ntau lawm:
Spunbond:
Txheej Txheem: Spunbond fabrics yog tsim los ntawm extruding nruam filaments ntawm hluavtaws polymers, xws li polypropylene los yog polyester. Cov filaments no tau muab tso rau hauv txoj siv conveyor txav thiab sib txuas ua ke nrog kev siv cua sov thiab siab.
Yam ntxwv: Spunbond fabrics muaj ib lub web zoo li cov qauv nrog randomly nteg filaments uas yog sib koom ua ke. Lawv paub txog lawv lub zog, durability, thiab breathability.
Meltblown:
Txheej Txheem: Meltblown fabrics yog tsim los ntawm melting polymer granules thiab extruding cov khoom molten los ntawm me me nozzles. Cov fibers extruded ces cua tshuab los ntawm high-ceev cua mus rau ib tug collector, tsim ib tug zoo fiber web.
Yam ntxwv: Meltblown fabrics muaj fibers zoo thiab paub txog lawv cov peev xwm pom. Lawv feem ntau siv rau hauv cov ntawv thov uas qhov kev pom zoo yog qhov tseem ceeb, xws li hauv kev kho mob lub ntsej muag lub ntsej muag thiab cov xov xwm huab cua.
2. Fiber Loj:
Spunbond:
Spunbond fabrics muaj ntau dua, txuas ntxiv filaments. Cov fibers kuj thicker piv rau cov uas tsim nyob rau hauv lub meltblown txheej txheem.
Meltblown:
Meltblown fabrics muaj fiber ntau finer, feem ntau nyob rau hauv microfiber ntau. Cov fiber ntau txoj kab uas hla ua rau cov ntaub ntawv pom cov khoom.
3. Yam ntxwv:
Spunbond:
Spunbond fabrics paub txog lawv lub zog, durability, thiab breathability. Lawv muaj cov qauv zoo li lub vev xaib nrog randomly nteg filaments uas sib koom ua ke.
Meltblown:
Meltblown fabrics yog tus cwj pwm los ntawm lawv cov fibers zoo, uas muab cov ntaub zoo heev pom cov khoom. Meltblown fabrics feem ntau yog siv rau hauv daim ntawv thov uas yuav tsum tau muaj zog thiab zoo filtration peev xwm.
4. Daim ntawv thov:
Spunbond:
Spunbond fabrics pom cov ntawv thov hauv ntau qhov kev lag luam, suav nrog cov khoom siv tu cev (pob tw, ntaub so), kev ua liaj ua teb npog, cov khoom lag luam, thiab ntim khoom.
Meltblown:
Meltblown fabrics feem ntau yog siv rau hauv cov khoom kho mob thiab kev noj qab haus huv, suav nrog lub ntsej muag phais, lub tshuab ua pa, thiab lwm yam kev siv lim.
5. Kev sib xyaw ua ke (Spunmelt):
Hauv qee qhov kev siv, kev sib xyaw ua ke ntawm ob txheej txheem, hu ua "spunmelt," yuav raug siv. Qhov no suav nrog qhov muaj zog ntawm ob qho tib si spunbond thiab meltblown los tsim cov ntaub nrog cov khoom tshwj xeeb, xws li hauv kev kho mob khaub ncaws.
Nyob rau hauv cov ntsiab lus, thaum spunbond thiab meltblown yog ob qho tib si nonwoven fabric processes, lawv txawv nyob rau hauv cov nqe lus ntawm fiber ntau, cov yam ntxwv, thiab kev siv ntawm cov ntaub fabrics. Spunbond fabrics paub txog lub zog thiab durability, thaum meltblown fabrics zoo nyob rau hauv zoo particle pom.
