Txoj Kev Loj Hlob ntawm Biodegradable Plastics

Txoj kev loj hlob ntawm biodegradable plastics yog A. Siv cov khoom siv polymer xws li cellulose, starch, thiab chitin los tsim cov yas biodegradable, thiab ntxiv kev tsim thiab txhim kho cov dej num thiab thev naus laus zis ntawm natural polymers. B. Siv cov txheej txheem tsim polymer thiab cov txheej txheem zoo synthesis los ua ke biodegradable plastics. Los ntawm kev txheeb xyuas cov txheej txheem biodegradation ntawm biodegradable hluavtaws polymers, biodegradable plastics tuaj yeem tsim tau; Ib txhij ua kev tshawb fawb thiab kev loj hlob ntawm block copolymerization ntawm cov polymers uas twb muaj lawm cov hom phiaj polymers, ntuj polymers, microbial polymers, thiab lwm yam; C. Txhim kho cov biodegradability ntawm biodegradable plastics, txo lawv cov nqi, thiab nthuav lawv daim ntawv thov. D. Kev tshawb fawb txog kev tswj tus nqi degradation. Hauv luv luv, nrog rau cov kev xav tau ntawm tib neeg, biodegradable plastics yuav tau txais kev saib xyuas ntxiv thiab dhau los ua lub ntsiab lus tseem ceeb hauv kev tshawb fawb yav tom ntej.