PLA, PBAT thiab LDPE yog dab tsi?
Polyethylene (PE) yog cov yas siv dav uas suav tias yog lwm txoj hauv kev rau biodegradable plastics. Kev lag luam zeem muag ntawm kev lag luam PLA thiab PBAT yog qhov zoo tshaj plaws.
PLA thiab PBAT feem ntau yog siv hauv cov yas niaj hnub, uas feem ntau ua raws li cov kev xav tau ntawm txoj cai "txheej txheem yas" tam sim no.
Txawm li cas los xij, yog tias peb xav hloov cov yas PE uas twb muaj lawm rau ntawm qhov loj, tsis yog tsuas yog cov nqi tsim khoom yuav tsum tau txo qis ntxiv, tab sis kuj yog nyob ntawm kev daws teeb meem ntawm qee qhov teeb meem.
Q: Vim li cas ho tsis siv 100% PLA?
A:
PLA: ntshiab thiab zoo gloss tab sis tsis zoo kov.
PBAT: Zoo touchness tab sis zaj duab xis sib txawv tacky.
PBAT + starch: Mos & tsawg tacky, thiab tus nqi qis dua.
PLA + PABAT + hmoov txhuv nplej siab: zoo kov thiab txhim kho kev ua haujlwm.
Yog li, peb tsis siv 100% PLA, tab sis nyiam siv kev sib xyaw ntawm PLA thiab PBAT.