An lura cewa farashin kayayyakin sinadarai a kasuwa na ci gaba da raguwa, wanda ke haifar da rashin daidaiton kimar a galibin hanyoyin sadarwa na masana'antar sinadarai.Dogaro da hauhawar farashin mai ya kara matsin lamba kan sarkar masana'antar sinadarai, kuma tattalin arzikin samar da sinadarai da yawa ba shi da kyau.Koyaya, farashin kasuwa na vinyl acetate shima ya sami ci gaba da raguwa, amma ribar samarwa ta kasance mai girma kuma tattalin arzikin samarwa yana da kyau.Don haka, me yasa zai iyavinyl acetatekasuwa kula da babban matakin wadata?

Tun daga tsakiyar zuwa ƙarshen Yuni 2023, farashin kasuwa na vinyl acetate shine yuan 6400/ton.Dangane da matakan farashin albarkatun ƙasa don hanyar ethylene da hanyar calcium carbide, ƙimar riba ta hanyar ethylene vinyl acetate kusan 14% ne, yayin da ribar riba ta hanyar calcium carbide vinyl acetate yana cikin yanayin asara.Duk da ci gaba da raguwar farashin vinyl acetate na shekara guda, ribar ribar ethylene tushen vinyl acetate ya kasance mai girman gaske, yana kaiwa sama da kashi 47% a wasu lokuta, ya zama mafi girman ribar riba tsakanin sinadarai masu yawa.Ya bambanta, hanyar calcium carbide na vinyl acetate ya kasance a cikin asarar mafi yawan shekaru biyu da suka wuce.

Ta hanyar nazarin canje-canje a cikin ribar riba na ethylene tushen vinyl acetate da calcium carbide tushen vinyl acetate, an gano cewa ethylene tushen vinyl acetate koyaushe yana da fa'ida a cikin ƴan shekarun da suka gabata, tare da mafi girman ribar ya kai 50% ko sama da matsakaita. Matsayin riba mai kusan 15%.Wannan yana nuna cewa ethylene tushen vinyl acetate ya kasance mai fa'ida sosai a cikin shekaru biyu da suka gabata, tare da kyakkyawar wadata gabaɗaya da kwanciyar hankali.A cikin shekaru biyu da suka gabata, ban da riba mai yawa daga Maris 2022 zuwa Yuli 2022, hanyar calcium carbide na vinyl acetate ya kasance cikin yanayin asara na duk sauran lokuta.Tun daga watan Yuni 2023, matakin riba na hanyar calcium carbide hanyar vinyl acetate ya kusan asara 20%, kuma matsakaicin ribar riba ta hanyar calcium carbide vinyl acetate a cikin shekaru biyu da suka gabata shine asara 0.2%.Daga wannan, ana iya ganin cewa wadatar hanyar calcium carbide don vinyl acetate ba shi da kyau, kuma halin da ake ciki yana nuna hasara.

Ta hanyar ƙarin bincike, manyan dalilan da ke haifar da babban riba na samar da vinyl acetate na ethylene sune kamar haka: da farko, yawan farashin albarkatun ƙasa a cikin hanyoyin samarwa daban-daban ya bambanta.A cikin hanyar ethylene na vinyl acetate, yawan amfani da ethylene shine 0.35, kuma yawan amfani da glacial acetic acid shine 0.72.Dangane da matsakaicin matakin farashi a cikin Yuni 2023, ethylene yana lissafin kusan kashi 37% na farashin vinyl acetate na tushen ethylene, yayin da glacial acetic acid ya kai 45%.Sabili da haka, don tasirin farashi, canjin farashin glacial acetic acid yana da tasiri mafi girma akan canjin farashin ethylene tushen vinyl acetate, sannan ethylene ya biyo baya.Dangane da tasiri akan farashin calcium carbide hanyar vinyl acetate, farashin calcium carbide don hanyar calcium carbide vinyl acetate yana da kusan kashi 47%, kuma farashin glacial acetic acid don hanyar calcium carbide vinyl acetate lissafin kusan 35% .Saboda haka, a cikin hanyar calcium carbide na vinyl acetate, canjin farashin calcium carbide yana da tasiri mai yawa akan farashi.Wannan ya bambanta sosai da tasirin farashin hanyar ethylene.

Na biyu, raguwar albarkatun ethylene da glacial acetic acid ya kasance mai mahimmanci, wanda ke haifar da raguwar farashi mai mahimmanci.A cikin shekarar da ta gabata, farashin CFR Arewa maso Gabashin Asiya ethylene ya ragu da kashi 33%, kuma farashin glacial acetic acid ya ragu da kashi 32%.Duk da haka, farashin vinyl acetate da aka samar ta hanyar calcium carbide yana da iyakancewa ta hanyar farashin calcium carbide.A cikin shekarar da ta gabata, farashin calcium carbide ya faɗi da adadin kashi 25%.Sabili da haka, daga hangen nesa na matakai guda biyu na samar da kayayyaki, farashin albarkatun kasa na vinyl acetate da aka samar ta hanyar ethylene ya ragu sosai, kuma rage farashin ya fi na hanyar calcium carbide.

Kodayake farashin vinyl acetate ya ragu, raguwarsa ba ta da mahimmanci kamar sauran sinadarai.Bisa ga ƙididdiga, a cikin shekarar da ta gabata, farashin vinyl acetate ya fadi da 59%, wanda zai iya zama mahimmanci, amma sauran sunadarai sun sami raguwa mafi girma.Halin rauni na halin yanzu na kasuwar sinadarai ta kasar Sin yana da wahala a canza asali.Ana sa ran cewa nan gaba, akwai yuwuwar cewa ribar samar da ƙarshen kasuwar masu amfani, musamman kayayyaki kamar polyvinyl barasa da EVA, za a kiyaye su ta hanyar matsawa ribar vinyl acetate.

Akwai rashin daidaituwa mai mahimmanci a cikin sarkar masana'antar sinadarai na yanzu, kuma yawancin samfuran suna cikin yanayi mai tsada amma faɗuwar kasuwan masu amfani, wanda ke haifar da rashin tattalin arzikin samarwa.Duk da haka, duk da fuskantar matsaloli, kasuwar vinyl acetate ta ci gaba da samun riba mai yawa, musamman saboda nau'i daban-daban na farashin kayan aiki a cikin tsarin samar da shi da kuma rage farashin da aka samu sakamakon raguwar farashin albarkatun kasa.Duk da haka, raunin yanayin kasuwar sinadarai ta kasar Sin nan gaba yana da wuya a canza asali.Ana sa ran cewa nan gaba, akwai yuwuwar cewa ribar samar da ƙarshen kasuwar masu amfani, musamman kayayyaki kamar polyvinyl barasa da EVA, za a kiyaye su ta hanyar matsawa ribar vinyl acetate.