Puas yog cellulose lub ntuj lossis hluavtaws polymer?

Puas yog cellulose lub ntuj lossis hluavtaws polymer?

Celluloseyog ntuj polymer, ib qho tseem ceeb ntawm cov phab ntsa ntawm tes hauv cov nroj tsuag. Nws yog ib qho ntawm cov organic ntau tshaj plaws hauv ntiaj teb thiab ua haujlwm ua cov khoom siv hauv cov nroj tsuag. Thaum peb xav txog cellulose, peb feem ntau koom nrog nws nrog nws muaj ntoo, paj rwb, ntawv, thiab ntau lwm cov ntaub ntawv cog qoob loo.

Cov qauv ntawm cellulose muaj cov saw ntev ntawm cov hmoov nplej ntev ntawm cov roj ntsha molecules sib txuas ua ke los ntawm beta-1,4-glycosidic bonds. Cov saw hlau no tau npaj rau hauv ib txoj kev uas tso cai rau lawv los ua cov qauv muaj zog, fibrous. Qhov tshwj xeeb ntawm cov saw hlau muab cov xov xwm zoo tshaj plaws, ua rau nws cov qauv tseem ceeb hauv kev muab cov txheej txheem kev txhawb nqa cov qauv txheej txheem.

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Cov txheej txheem ntawm synthesis hauv cov nroj tsuag yuav cuam tshuam nrog enzyme cellulose molecules molecules rau hauv cov saw ntev thiab rho tawm lawv mus rau hauv phab ntsa tes. Cov txheej txheem no tshwm sim nyob rau hauv ntau hom ntawm cov nroj tsuag cells, koom tes rau lub zog thiab rigidity ntawm cov ntaub so ntswg.

Vim nws cov khoom nplua mias thiab cov khoom siv, cellulose tau pom muaj ntau daim ntawv thov dhau ntawm nws lub luag haujlwm hauv kev cog qoob loo biology. Kev lag luam siv cellulose rau kev tsim cov ntawv, textiles (xws li cov paj rwb), thiab qee yam ntawm biofuels. Tsis tas li ntawd, cellulose derivatives zoo li cellulose muaj kev hais ua kom muaj nyob rau hauv ntau cov khoom, suav nrog cov tshuaj, ntxiv cov khoom noj ntxiv, thiab txheej txheej.

ThaumCellulosenws tus kheej yog lub ntuj polymer, tib neeg tau tsim cov txheej txheem los hloov kho thiab siv nws hauv ntau txoj kev. Piv txwv li, tshuaj kho mob tuaj yeem hloov nws cov khoom kom nws haum rau cov kev siv tshwj xeeb. Txawm li cas los xij, txawm tias hauv cov ntaub ntawv hloov, cellulose khaws nws cov keeb kwm tseem ceeb, ua rau nws muaj txiaj ntsig zoo thiab muaj txiaj ntsig cov khoom siv nyob rau hauv ob qho ntuj thiab engineer.


Lub Sijhawm Post: Apr-24-2024