Dab tsi yog non-woven npuag?
Non-woven npuag yog ib hom tshiab ntawm cov khoom siv hauv ib puag ncig. Tsis zoo li cov tsoos textiles uas xav tau cov txheej txheem nyuaj xws li spinning thiab weaving, nws yog cov khoom siv fiber ntau uas tsim los ntawm kev sib xyaw fibers lossis cov khoom ntim nrog cov kua nplaum los yog cov fibers yaj hauv lub xeev molten siv daim nyias nyias, mesh, los yog cov txheej txheem. Nonwoven fabrics muaj lub zog siab, zoo breathability, hnav tsis kam, zoo saj zawg zog, waterproof thiab noo-pov thawj zog, thiab yog li ntawd tau lug siv nyob rau hauv lub neej txhua hnub.
Dab tsi yog qhov degradation ntawm cov ntaub nonwoven?
Cov ntaub tsis woven yog txawv los ntawm biodegradable plastics nyob rau hauv uas nws yog tsim los ntawm hluavtaws fibers, ntoo pulp fibers, recycled fibers, thiab lwm yam ntaub ntawv, thiab yuav degraded los yog decomposed los ntawm microorganisms. Txawm nyob rau hauv ib puag ncig ntuj, cov ntaub tsis-woven siv ntau xyoo, txawm ntau pua xyoo, kom decompose. Yog hais tias ib tug loj npaum li cas ntawm cov ntaub ntawv uas tsis yog-woven pov tseg nyob rau hauv ib puag ncig rau lub sij hawm ntev, nws yuav ua rau muaj kev puas tsuaj loj rau xwm.
Txawm li cas los xij, tseem muaj qee cov ntaub ntawv biodegradable non-woven npuag muaj tam sim no, thiab seb cov ntaub ntawv tsis yog biodegradable nyob ntawm nws cov khoom muaj pes tsawg leeg. Cov ntaub tsis woven ua los ntawm polylactic acid (PLA) thiab lwm yam khoom siv biodegradable tuaj yeem biodegraded, thaum cov ntaub tsis-woven ua los ntawm cov khoom siv yas xws li polypropylene (PP) thiab polyethylene (PE) tsis tuaj yeem biodegraded.
Txhais thiab qhov zoo ntawm biodegradable non-woven fabrics
Biodegradable non-woven fabric yog hais txog cov ntaub tsis-woven uas tuaj yeem decomposed los ntawm cov kab mob, tsiaj txhu thiab nroj tsuag, hydrolysis lossis photolysis nyob rau hauv qee yam mob. Piv nrog rau cov yas tsis-woven cov ntaub, nws tuaj yeem txo cov pa phem ib puag ncig.
Hauv cov zej zog niaj hnub no, kev tiv thaiv ib puag ncig ib puag ncig tau dhau los ua kev txhawj xeeb thoob ntiaj teb, thiab cov ntaub ntawv biodegradable non-woven tau nyiam heev vim lawv cov yam ntxwv ib puag ncig.
Hom thiab cov yam ntxwv ntawm biodegradable nonwoven fabrics
Cov feem ntau siv biodegradable non-woven fabrics tam sim no suav nrog peb hom hauv qab no:
Cov hmoov txhuv nplej siab raws biodegradable non-woven npuag
Cov hmoov txhuv nplej siab raws li biodegradable non-woven npuag yog ib puag ncig tus phooj ywg tsis-woven npuag feem ntau yog cov hmoov txhuv nplej siab thiab ua los ntawm kev ntxiv cov yas, cov khoom siv ntxiv, cov ntaub ntawv txhawb zog, thiab lwm yam. Tsis tas li ntawd, hmoov txhuv nplej siab raws li biodegradable non-woven npuag muaj tus nqi qis thiab yog ib puag ncig tus phooj ywg tsis-woven npuag nrog tus nqi-zoo.
Polylactic acid raws li biodegradable non-woven npuag
Polylactic acid raws li biodegradable non-woven npuag yog ib puag ncig tus phooj ywg tsis-woven npuag ua los ntawm polylactic acid los ntawm cov txheej txheem tshuaj polymer. Piv nrog rau cov yas tsis-woven cov ntaub, polylactic acid raws li biodegradable non-woven fabrics muaj biodegradability zoo thiab tshuaj stability. Tsis tas li ntawd, polylactic acid raws li biodegradable non-woven npuag tuaj yeem txo qis CO2 thiab dej, tso tawm ntau lub zog hluav taws xob, ua rau nws zoo tagnrho rau ib puag ncig tus phooj ywg tsis-woven npuag.
Cellulose raws biodegradable non-woven npuag
Cellulose raws li biodegradable non-woven npuag yog ib puag ncig tus phooj ywg tsis-woven npuag feem ntau yog tsim los ntawm cellulose thiab ua los ntawm kev ntxiv cov tshuaj ntxiv thiab cov ntaub ntawv. Piv nrog rau cov yas tsis-woven cov tsoos tsho, cellulose raws biodegradable non-woven fabrics muaj biodegradability zoo thiab lub cev muaj zog. Tsis tas li ntawd, cellulose raws li biodegradable non-woven npuag kuj muaj breathability thiab noo noo nqus, ua rau nws yog ib qho zoo tagnrho environmentally friendly non-woven fabric.
Xaus
Cov ntaub tsis woven nws tus kheej degrades qeeb, tab sis kuj tseem muaj biodegradable non-woven ntaub ntaub muaj tam sim no. Rau cov ntaub ntawv tsis-woven uas tsis tuaj yeem degraded sai, kev nyab xeeb thiab ib puag ncig tus phooj ywg yuav tsum tau txais kev pom zoo los txo lawv qhov cuam tshuam rau ib puag ncig. Rau biodegradable cov ntaub ntawv tsis-woven npuag, yuav tsum tau nce qib thiab thawb. Ua kom ntau tus neeg paub txog qhov cuam tshuam ntawm cov ntaub tsis-woven, sib koom ua ke tiv thaiv peb ib puag ncig, thiab ua tiav kev txhim kho kom ruaj khov.
Post lub sij hawm: Sep-03-2024