Cov kws tshawb fawb tau tsim cov txheej txheem tshiab uas tsis muaj tshuaj lom, biodegradable thiab antimicrobial zaub mov txheej uas tuaj yeem txo cov zaub mov pov tseg thiab kev noj qab haus huv yam tsis tau ntxiv cov yas rau ib puag ncig. Ib txoj kev tshawb fawb tshiab qhia tau hais tias cov khoom no tuaj yeem siv tau zoo rau cov zaub. Ua ntej noj lawv, muaj pes tsawg leeg yog yooj yim ntxuav tawm nrog dej. Cov txiaj ntsig ntawm kev tshawb fawb tau luam tawm Lub rau hli ntuj 20, 2022 ntawm Xwm Khoom Noj.
Cov yas yuav nyob hauv ib puag ncig ntev, tab sis cov txheej tshiab yog biodegradable. Nws yog tsim los ntawm rubulan, polysaccharide polymer muab los ntawm cov hmoov txhuv nplej siab. Cov txheej txheem kuj suav nrog cov khoom xyaw ntuj antimicrobial (citric acid thiab thyme roj) nrog rau nisin preservative, tag nrho cov no suav nrog kev nyab xeeb rau tib neeg (thaum noj cov khoom tsim nyog).
Txhawm rau tsim cov txheej txheem, cov kws tshawb fawb tau siv lub tshuab hu ua tsom rotary jet spinning, lossis FRJS. Lub tshuab FRJS tuaj yeem muab piv rau lub tshuab ua khoom qab zib paj rwb uas nrawm nrawm melted qab zib los ntawm qhov me me los tsim cov xov nyias uas tuaj yeem qhwv ib ncig ntawm daim ntawv. FRJS kuj tseem tsim cov kwj ntawm kab laug sab web fibers (hauv qhov no ua los ntawm rubulan, tsis qab qab zib) uas tuaj yeem qhwv ib ncig ntawm cov khoom noj.
Pab neeg no kuj tau soj ntsuam seb cov txheej txheem zoo li cas rau kev nyab xeeb ntawm zaub mov. Thaum cov kws tshawb fawb tau khiav qhov kev ntsuam xyuas tsim nyog, lawv pom qhov txo qis ntawm cov kab mob thiab cov kab mob fungal nyob rau saum npoo ntawm cov khoom. Cov kws tshawb fawb tseem pom tias cov avocados coated tsis tshua muaj rotting, tsuas yog 50% ntawm cov txiv hmab txiv ntoo lwj nyob rau hauv ib lub lis piam piv rau 90% ntawm cov avocados uncoated. Coated avocados feem ntau yuav khaws lawv cov xim ntsuab sab hauv.
Txawm hais tias qhov no tsis yog thawj cov tshuaj tiv thaiv kab mob rau cov zaub mov, cov kws tshawb fawb ntseeg tias lawv tau tsim cov kev xaiv zoo tshaj plaws thiab yooj yim rov ua dua rau hnub tim. Lawv thov tias cov cuab yeej siv tshuaj tsuag yuav tsum tau pib siv cov khoom siv tsawg dua, ua rau nws muaj txiaj ntsig zoo dua li cov ntaub ntawv lo lo ntxhuav, uas yuav tsum tau ua ntej dipped rau hauv cov khoom thiab ces qhuav. Lwm qhov kev sim ntawm cov khoom ntim khoom noj tsis muaj yas muaj xws li cov yeeb yaj kiab cellulose; lawv tsis tuaj yeem ntxuav tau, thiab qee qhov tseem yuav tsum tau rov ua dua tshiab.
Pab neeg no tab tom ua haujlwm ntawm kev kho cov txheej txheem txheej txheem los daws ntau yam khoom lag luam ib txhij. Cov kws tshawb fawb tab tom txiav txim siab ntau txoj hauv kev, suav nrog cov kav dej raws li txoj cai, tab sis qhov no tseem nyob rau theem pib ntawm kev npaj.