Tom qab ob peb sips ntawm kuv strawberry-txiv tsawb smoothie, txhua yam kuv tau saj yog qhov phem, tsis zoo saj ntawm straw.
Nws tsis tsuas yog nkhaus, tab sis kuj folded ntawm nws tus kheej, tiv thaiv cov dej los ntawm ntws upwards.Kuv muab pov tseg thiab khaws ib lub tshiab, lwm daim ntawv straw, vim hais tias yog tag nrho cov tsev noj mov yuav tsum muaj.Lub straw tsis tuav nws lub cev ib yam, yog li kuv ua tiav kuv haus yam tsis muaj straw.
Daim ntawv sai sai absorbs kua, thiab ib yam li sai poob nws cov qauv thiab rigidity.Kev tshawb fawb los ntawm Kaus Lim Kauslim Kev Tshawb Fawb Lub Tsev Kawm Txuj Ci (KRICT) tau pom tias cov ntawv ntub dej, muaj qhov hnyav nruab nrab ntawm 25 grams, khoov tom qab 60 vib nas this.Yog li ntawd, cov straws ua los ntawm cov khoom hais tau ua pov thawj tias tsis muaj kev ntseeg siab, vim lawv feem ntau dhau los siv tsis tau.
Daim ntawv straws yeej vim tias cov straws coated tawg sai dua li cov yas straws ib txwm muaj thiab ntau tus phooj ywg ib puag ncig, tab sis qhov teeb meem ntawm cov straws ntub tseem muaj.“
Txhawm rau tiv thaiv qhov no, qee lub npe ua cov ntawv coated straws (cov khoom siv tib yam li cov hnab yas thiab cov kua nplaum) uas tiv thaiv cov ntawv los ntawm kev sib cuag nrog dej sai sai.
Txawm li cas los xij, cov straws no siv sijhawm ntev los ua kom tawg, tshwj xeeb tshaj yog nyob rau hauv dej hiav txwv.Qhov no tawm tsam lub hom phiaj ntawm kev tshem cov straws yas, uas yuav siv sij hawm txog 300 xyoo kom decompose piv rau straws ua los ntawm ntawv xwb.
Txawm li cas los xij, cov ntawv straws yog ib puag ncig zoo dua thiab coated straws decompose sai dua li cov yas straws, tab sis tseem muaj teeb meem noo noo hauv cov straws.Nov yog qhov KRICT tau sim daws thiab lawv tau ua.
Pab neeg no pom cov txheej txheem ntawm cellulose nanocrystals (PBS / BS-CNC) uas tawg tag nrho hauv 120 hnub thiab khaws nws cov duab, tuav 50 grams txawm tias tom qab 60 vib nas this.Ntawm qhov tod tes, qhov ntev npaum li cas cov straws no tsis paub meej, vim tias hom ntawv tshwj xeeb uas lawv tau muab piv rau tsis tau piav qhia thiab tej zaum yuav muaj qhov tsis zoo rau cov straws hauv kev ua lag luam, nrog rau kev ua haujlwm ntev ntawm tag nrho. ntev.cov straws tshiab tsis tau muaj pov thawj.Txawm li cas los xij, cov straws tshiab no tau ua pov thawj kom ruaj khov.
Txawm tias thaum cov straws txhim kho mus txog kev lag luam loj, lawv tseem yuav tsis txaus siab.Daim ntawv straws uas quav dhau sijhawm tsis tuaj yeem muab piv rau cov straws yas raws li cov qauv kev tuav pov hwm, txhais tau hais tias cov tuam txhab yuav muag cov straws yas txuas ntxiv thiab tib neeg yuav txuas ntxiv mus yuav lawv.
Txawm li cas los xij, peb tseem tuaj yeem txhawb kev tsim cov yas yas kom ruaj khov dua.Qhov no suav nrog cov straws nyias, ob qho tib si hauv thickness thiab dav.Qhov no yuav txhais tau tias siv cov yas tsawg dua, txhais tau tias tsis yog lawv yuav tawg sai dua, tab sis lawv tseem yuav siv cov khoom siv tsawg dua: qhov zoo rau kev lag luam uas ua rau lawv.
Tsis tas li ntawd, tib neeg yuav tsum sim siv cov straws rov qab siv tau xws li cov hlua hlau lossis xyoob straws kom txo cov khib nyiab.Tau kawg, qhov kev xav tau ntawm cov straws pov tseg yuav txuas ntxiv mus, txhais tau hais tias cov straws zoo li KRICT thiab cov uas siv cov yas tsawg yog xav tau los ua lwm txoj hauv kev rau cov ntawv straws.
Feem ntau, daim ntawv straws yog qhov tseem ceeb tsis siv.Lawv tsis yog ib qho kev daws teeb meem rau qhov loj ntawm cov khib nyiab uas tsis yog biodegradable uas straws tsim.
Cov kev daws teeb meem tiag tiag yuav tsum raug pom, vim tias kev phom sij rau kev noj qab haus huv ntawm lub ntiaj teb twb loj dhau lawm, thiab qhov no yog cov quav cab kawg.
Sania Mishra yog ib tug menyuam yaus, nyiam kos duab thiab ntaus pob tesniv thiab ntaus pob tesniv.Nws tam sim no nyob rau hauv pab pawg neeg hla tebchaws FHC uas yog nws…
Post lub sij hawm: Mar-27-2023