Breathble pla spunbond nonwoven

Pakalipano, polypropylene (PP) akadali chinthu chachikulu chomwe chimagwiritsidwa ntchito mu nsalu zopanda nsalu, ndipo zowonongeka zake sizimakwaniritsa zofunikira za chitetezo cha chilengedwe ndi chitukuko chokhazikika. Kulimbikitsa kugwiritsa ntchito zipangizo zowonongeka m'munda wa nsalu zosalukidwa zidzakhala zochitika. Nsalu zosiyanasiyana zosalukidwa kuchokera ku asidi wa polylactic zimatha kuwonongeka, ndipo zina zimaphatikiza asidi wa polylactic ndi ulusi wina wachilengedwe kapena ulusi wopangidwa kuti chinthu chomaliza chitha kuwonongeka.

Titumizireni imelo

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Polylactic acid (PLA) ndi mtundu watsopano wa zinthu zomwe zimatha kuwonongeka kuchokera ku wowuma zochokera kuzinthu zongowonjezwdwanso za mbewu monga chimanga. Zopangira za starch zimasanjidwa kuti zipeze shuga, yemwe kenako amafufuzidwa ndi mitundu ina kuti apange lactic acid yoyera kwambiri. Kenako, molekyulu yolemera ya polylactic acid imapangidwa ndi njira zopangira mankhwala. Ili ndi biodegradability yabwino ndipo imatha kuonongeka ndi tizilombo tating'onoting'ono m'chilengedwe ikagwiritsidwa ntchito, pamapeto pake imatulutsa mpweya woipa ndi madzi popanda kuipitsa chilengedwe.

Izi ndizopindulitsa kwambiri poteteza chilengedwe ndipo zimazindikiridwa ngati zinthu zowononga chilengedwe. Kusamalira Dziko Lapansi, tili ndi udindo. Malinga ndi malipoti a nkhani, mpweya wa carbon dioxide padziko lonse ukuyembekezeka kukwera kufika pa 60 ℃ pofika m’chaka cha 2030. Njira yopangira mapulasitiki wamba ikadali yopsereza ndi kuwotcha, zomwe zikuchititsa kuti mpweya wowonjezera kutentha utulukire mumlengalenga. Komano, mapulasitiki a polylactic acid amakwiriridwa m'nthaka kuti awonongeke, kutulutsa mpweya woipa womwe umalowa m'nthaka kapena kutengeka ndi zomera, popanda kutulutsidwa mumlengalenga kapena kuchititsa kutentha.

Makhalidwe a PLA polylactic asidi sanali nsalu nsalu

Chitsimikizo cha chinyezi, chopumira, chosinthika, chopepuka, chosayaka, chosavuta kuwola, chosakhala ndi poizoni komanso chosakwiyitsa, cholemera mumitundu, chogwiritsidwanso ntchito.

Chitsanzo cha ntchito ya PLA yopanda nsalu

Kutengera kugwiritsa ntchito nsalu zosalukidwa m'magawo azachipatala ndi thanzi monga mwachitsanzo, nsalu zopanda nsalu za PLA sizimangokwaniritsa zofunikira zachitetezo ndi magwiritsidwe a zida zodzitchinjiriza, komanso zimapatsa mankhwalawo mawonekedwe atsopano obiriwira komanso okonda zachilengedwe. Mukagwiritsidwa ntchito, zitha kukhala zowonongeka kwathunthu pansi pamikhalidwe ya kompositi mkati mwa miyezi ingapo, osati popanda kubweretsa zolemetsa zilizonse ku chilengedwe, komanso kutenga nawo gawo pakuyenda kwachilengedwe.

Kuphatikiza apo, nsalu ya polylactic acid membrane ndi chinthu chatsopano chachilengedwe chokhala ndi manja ofewa, kukopa mwamphamvu, kusunga chinyezi, kupuma komanso bacteriostasis. Ndi chinthu choyera, chotetezeka, chathanzi komanso pafupi ndi khungu lapamwamba kwambiri. Ili ndi mawonekedwe ambiri achilengedwe omwe magawo ena sangathe kufanana nawo, ndipo ndi gawo loyenera la chigoba chapamwamba cha nkhope.