Hauv tsevbutyl acetate hmoovkev ua lag luam tau nkag mus rau lub sijhawm tus nqi siab txij li xyoo 2021 mus txog.Rau cov neeg siv khoom kawg, nws yuav tsum zam kom tsis txhob muaj cov khoom siv raw khoom kim heev thiab siv cov khoom siv pheej yig.Yog li sec-butyl acetate, propyl acetate, propylene glycol methyl ether, dimethyl carbonate, thiab lwm yam. txhua yam cuam tshuam rau kev lag luam butyl acetate.Lub davhlau ya nyob twg sab xaiv hloov pauv raws li kev ua tau zoo ntawm cov khoom sib txawv, uas tau ua rau muaj kev poob qis hauv kev thov rau butyl acetate hauv ob xyoos dhau los.Kev noj haus hauv tsev ntawm butyl acetate poob rau 400,000 tons hauv 2021, nqis mus rau theem ntawm 2016 lub sijhawm.Txawm hais tias muaj kev cuam tshuam ntawm cov kab mob sib kis, nws yog ntau dua vim tus nqi siab thiab tus nqi siab ua rau txo qis ntawm butyl acetate hauv kev siv kawg.

Nyob rau hauv thawj ib nrab ntawm 2022, lub domestic butyl acetate kev ua lag luam raws li ib tug tag nrho shuddered downward, thiab raws li lub Xya hli ntuj 13, lub mainstream lag luam nqi nyob rau hauv North Tuam Tshoj yog 7,400-7450 yuan / ton, nrog rau nruab nrab nqi lag luam hu ua ib tug 19.29% poob ntawm kawg ntawm xyoo tas los.Tshuaj lom neeg yooj yim ntiaj teb tshuaj raw khoom procurement thiab muag platform, muab acetic acid, n-butanol, butyl acetate raw khoom muag.

Thawj peb lub hlis twg: kev lag luam kev lag luam yog lub teeb thiab cov nqi poob

Thaum Lub Ib Hlis, tag nrho cov qauv ntawm butyl acetate tau ua raws li cov khoom siv raw n-butanol, thiab tom qab ntawd nyob ze rau lub caij nplooj ntoos hlav Festival ua rau muaj kev txwv kev thauj mus los, kev lag luam kev lag luam poob qis.

Thaum Lub Ob Hlis, cov nqi pib nce siab tom qab kev lag luam qhib tom qab Suav Xyoo Tshiab, cov khoom siv raw khoom kawg n-butanol vim qee tus neeg yuav khoom siv zog ntxiv lawv txoj haujlwm tom qab kev ua koob tsheej, qhov chaw tsis txaus, thiab feem ntau ntawm cov tswv lag luam hlub muag, yog li tus nqi. surged dua hla lub rooj tsavxwm.

Nyob rau lub Peb Hlis thaum ntxov, tau tsav los ntawm cov nqi roj av, cov nqi methanol tau nce sai, cov nqi acetic acid tau nce siab, thiab cov nqi n-butanol tau ruaj khov, txhawb nqa los ntawm tus nqi, butyl acetate tus nqi ua raws li qhov nce, nyob rau hauv nruab nrab ntawm lub hli vim yog lub Kev sib kis, kev xav tau qis qis thiab kev cuam tshuam kev tsheb khiav hauv ntau qhov chaw, kev ua lag luam kev lag luam yog lub teeb, kev lag luam kev lag luam tus nqi txuas ntxiv poob qis.

Lub quarter thib ob: tag nrho cov qauv ntawm nqaim oscillation

Ua ntej lub Tsib Hlis Ntuj hnub so, cov dej ntws rov qab, thiab qee cov tuam txhab acetic acid muaj cov phiaj xwm kev saib xyuas, acetic acid nqi tau nce, tus nqi them nyiaj yug, butyl acetate cov nqi ua raws li qhov nce.

Nyob rau lub Rau Hli, n-butanol tus nqi txuas ntxiv mus muag, ua ke nrog kev poob qis ntawm cov khoom siv raw acetic acid, nyob rau hauv kev cuam tshuam ntawm kev them nyiaj tsis txaus, butyl acetate tus nqi txuas ntxiv ua raws li qhov poob.

Nyob rau hauv Lub Xya Hli, tus nqi ntawm butyl acetate tseem tsis muaj zog, cov khoom siv raw acetic acid thiab n-butanol tsis muaj zog, kev them nyiaj yug tsis txaus, thiab tag nrho cov kev xav tau qis qis kuj yog lub teeb, kev yuav khoom ntau dua los tswj kev xav tau xwb, kev lag luam huab cua yog dav dav, cov khoom siv raw yuav tsum tsis muaj zog, thaum qhov kev xav tau ntawm cov dej ntws qis kom tswj tau qhov kev xav tau xwb, kev xav hauv cheeb tsam yog qhov dav, qhov cuam tshuam ntawm cov khoom tsis muaj zog thiab xav tau, nws xav tias lub sij hawm luv luv hauv tsev. butyl acetate kev ua lag luam lossis txuas ntxiv tsis muaj zog, qhov kawg tseem yuav tsum tau them sai sai rau qhov kev hloov pauv ntawm cov tuam txhab tsim khoom Nws xav tias kev lag luam hauv tsev butyl acetate yuav tsis muaj zog nyob rau lub sijhawm luv.

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