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 wonse udagwedezeka 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 chikondwererocho, kusowa kwa malo, ndipo ambiri mwa eni ake amawamvera chisoni kuti agulitse, kotero mtengo unakweranso kudutsa gulu lonse.

Kumayambiriro kwa Marichi, motsogozedwa ndi mitengo yamafuta osayembekezeka, mitengo ya methanol idakwera mwachangu, mitengo ya acetic acid idakwera kwambiri, ndipo mitengo ya n-butanol inali yolimba, mothandizidwa ndi mtengo, mitengo ya butyl acetate idatsatira kukwera, pakati pa mwezi chifukwa cha mliri, kufunikira kwa kunsi kwa mitsinje ndi kusokonekera kwa magalimoto m'malo ambiri, malonda amsika akutsika, mitengo yamisika imapitilirabe kutsika.

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 ndizofooka, kuthandizira kwamitengo sikukwanira, ndipo kufunikira kwapansi pamtsinje ndikocheperako, kugulidwa kwa zochulukirapo kuti zisungidwe zomwe zimafunikira, msika wamalonda wam'munda ndiwofala, mbali zopangira zikuyembekezeka kufowoka, pomwe mbali yofunikira ya kutsika kwatsinja kuti ikhalebe yofunidwa, kufooka kwapakhomo, kukhudzika kwapakhomo ndikwanthawi kochepa. 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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