Wapakhomobutyl acetatemsika walowa nthawi yotsika mtengo kuyambira 2021 kupita mtsogolo.Kwa makasitomala otsiriza, ndizosapeŵeka kupeŵa zipangizo zamtengo wapatali ndikukhala ndi njira zotsika mtengo.Chifukwa chake sec-butyl acetate, propyl acetate, propylene glycol methyl ether, dimethyl carbonate, ndi zina zonse zimakhudza msika wa butyl acetate.Mbali yomaliza imasankha m'malo motengera momwe zinthu zimagwirira ntchito, zomwe zapangitsa kuti kufunikira kwa butyl acetate kuchepe zaka ziwiri zapitazi.Kugwiritsa ntchito m'nyumba za butyl acetate kudatsika mpaka matani 400,000 mu 2021, mpaka mulingo wanthawi ya 2016.Ngakhale pali chikoka cha mliriwu, ndichifukwa cha kukwera mtengo komanso kukwera mtengo komwe kumapangitsa kuchepa kwa butyl acetate pakugwiritsa ntchito komaliza.

Mu theka loyamba la 2022, msika wapakhomo wa butyl acetate unatsika pansi, ndipo pofika pa Julayi 13, mtengo wamsika waukulu ku North China unali 7,400-7450 yuan/ton, ndipo mtengo wamsika wapakati ukutchedwa 19.29% kutsika. kumapeto kwa chaka chatha.Chemical yosavuta padziko lonse lapansi mankhwala zopangira zogulira ndi nsanja malonda, kupereka acetic acid, n-butanol, butyl acetate zopangira malonda.

Gawo loyamba: malonda amsika ndi opepuka ndipo mitengo ikutsika

Mu Januwale, machitidwe onse a butyl acetate adatsata kukwera kwa zinthu zopangira n-butanol, ndiyeno pafupi ndi Chikondwerero cha Spring chomwe chinayambitsa zoletsa, kugulitsa msika kudachepa.

Mu February, mitengo inayamba kukwera msika utatsegulidwa pambuyo pa Chaka Chatsopano cha China, zopangira zimatha n-butanol chifukwa ogula ena amadzazanso malo awo pambuyo pa chikondwererochi, kusowa kwa malo, ndipo ambiri mwa eni ake amamvera chisoni kugulitsa, kotero mtengo idakweranso kudutsa gululo.

Kumayambiriro kwa Marichi, motsogozedwa ndi mitengo yamafuta osakanizidwa, mitengo ya methanol idakwera mwachangu, mitengo ya acetic acid idakwera kwambiri, ndipo mitengo ya n-butanol inali yolimba, mothandizidwa ndi mtengowo, mitengo ya butyl acetate idatsatira kukwera, pakati pa mwezi chifukwa cha Mliri, kufunikira kwapansi ndi kusokonezeka kwa magalimoto m'malo ambiri, malonda amsika ndi opepuka, mitengo yogulitsira msika ikupitilirabe kuchepa.

Kota yachiwiri: mayendedwe ocheperako pang'ono

Tchuthi cha Meyi Day chisanachitike, kubwezeretsanso kunsi kwa mtsinje, ndipo opanga ma asidi a acetic ali ndi mapulani okonza, mitengo ya acetic acid idakwera, mtengo wothandizira, mitengo ya butyl acetate ikutsatira kukwera.

Mu June, mitengo ya n-butanol inapitirizabe kufewetsa, kuphatikizapo kutsika kosalekeza kwa mitengo ya acetic acid, mothandizidwa ndi ndalama zosakwanira, mitengo ya butyl acetate inapitirizabe kutsika.

Mu Julayi, mtengo wa butyl acetate ukupitilizabe kufooka, zopangira acetic acid ndi n-butanol ndizochepa, kuthandizira kwamitengo sikukwanira, ndipo kufunikira kwapansi pamtsinje ndikocheperako, kugulidwa kwa zochulukira kuti kusungitsa zofunikira, kumunda malonda m'mlengalenga ndi ambiri, zopangira mbali chikuyembekezeka kufooketsa, pamene kufunika mbali ya kunsi kwa mtsinje kukhalabe ankafuna, kumunda maganizo ndi ambiri, zotsatira za ofooka kotunga ndi kufunika, zikuyembekezeredwa kuti yochepa zoweta. msika wa butyl acetate kapena kupitirizabe kufooka, mochedwa akufunikabe kumvetsera mphamvu za chipangizo cha opanga Zikuyembekezeka kuti msika wam'nyumba wa butyl acetate udzakhalabe wofooka pakanthawi kochepa.

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