Farashin kasuwannin sinadarai ya ci gaba da raguwa har kusan rabin shekara.Irin wannan raguwar dadewa, yayin da farashin mai ke ci gaba da yin tsada, ya haifar da rashin daidaituwa a cikin darajar mafi yawan hanyoyin haɗin gwiwar masana'antar sinadarai.Yawancin tashoshi a cikin sarkar masana'antu, mafi girman matsin lamba akan farashin sarkar masana'antu.Don haka, yawancin samfuran sinadarai a halin yanzu suna cikin yanayi mai tsada amma faɗuwar kasuwan masu amfani, wanda ke haifar da ƙarancin samar da samfuran sinadarai da yawa.
Farashin kasuwa na vinyl acetate shima ya ci gaba da raguwa.A cikin 'yan shekarun nan, farashin kasuwa na vinyl acetate ya ragu daga yuan/ton 14862 a watan Yuni na shekarar 2022 zuwa Yuni 2023, yana ci gaba da raguwa kusan shekara guda, tare da faduwa mafi karanci zuwa yuan/ton 5990.Daga yanayin farashi na 'yan shekarun da suka gabata, mafi ƙarancin farashi a tarihi ya bayyana a cikin Afrilu 2020, mafi ƙarancin farashi ya bayyana akan yuan / ton 5115, mafi girman farashi ya bayyana a watan Nuwamba 2021, kuma mafi girman farashi ya bayyana akan yuan / ton 16727.

Ko da yake farashin vinyl acetate ya ragu a cikin shekara guda a jere, samar da riba na vinyl acetate ya kasance mai girma da kuma samar da tattalin arziki mai kyau.Me yasa vinyl acetate zai iya kula da babban matakin wadata?
Hanyoyin samarwa daban-daban na vinyl acetate suna haifar da riba daban-daban da asara
Dangane da canjin kuɗin ribar vinyl acetate da aka samar ta hanyar ethylene, ƙimar riba na vinyl acetate da aka samar ta hanyar ethylene koyaushe yana cikin yanayi mai fa'ida a cikin 'yan shekarun da suka gabata, mafi girman riba ya kai 50% ko fiye. kuma matsakaicin ribar kusan kashi 15%.Ana iya ganin cewa ethylene tushen vinyl acetate ya kasance samfurin da ya fi dacewa a cikin shekaru biyu da suka gabata, tare da kyakkyawar wadata gaba ɗaya da kwanciyar hankali.

Daga hangen tsarin calcium carbide vinyl acetate, a cikin shekaru biyu da suka gabata, sai dai ga riba mai yawa daga Maris 2022 zuwa Yuli 2022, duk sauran lokutan sun kasance cikin yanayin asara.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%.Ana iya ganin cewa wadatar hanyar calcium carbide don vinyl acetate ba shi da kyau, kuma halin da ake ciki yana nuna hasara.

Ana iya ganin cewa ba abu ne na kowa ba don vinyl acetate ya kasance a babban matakin riba.Hanyar ethylene kawai na samar da acetate na vinyl a halin yanzu yana cikin yanayi mai riba, yayin da hanyar carbide ta kasance a cikin asarar a cikin 'yan shekarun nan.
Binciken kiyaye babban riba na samar da vinyl acetate na tushen ethylene
1. Yawan farashin albarkatun kasa ya bambanta a cikin matakai daban-daban na samarwa.A cikin samar da vinyl acetate na tushen ethylene, yawan amfani da ethylene shine 0.35 kuma yawan adadin glacial acetic acid shine 0.72.Dangane da matsakaicin matakin farashin a watan Yuni 2023, adadin ethylene a cikin samar da ethylene tushen vinyl acetate shine kusan 37%, yayin da glacial acetic acid shine 45%.Sabili da haka, canjin farashin glacial acetic acid yana da tasiri mafi girma akan canjin farashi na samar da vinyl acetate na tushen ethylene, sannan ethylene ya biyo baya.
Dangane da farashin hanyar calcium carbide don vinyl acetate, calcium carbide yana lissafin kusan kashi 47% na kudin hanyar calcium carbide don vinyl acetate, kuma glacial acetic acid yana lissafin kusan kashi 35% na kudin hanyar calcium carbide na vinyl acetate.Sabili da haka, a cikin hanyar calcium carbide na vinyl acetate, canji a cikin farashin calcium carbide yana da tasiri mai yawa akan farashi, wanda ya bambanta da tasirin farashin hanyar ethylene.
2. Matsakaicin raguwa a cikin albarkatun albarkatun ethylene da glacial acetic acid ya haifar da raguwa mai yawa a farashin.Dangane da bayanan da suka dace, a cikin shekarar da ta gabata, farashin CFR Northeast Asia ethylene ya ragu da 33%, kuma farashin glacial acetic acid ya ragu da 32%.Duk da haka, farashin samar da vinyl acetate ta amfani da hanyar calcium carbide an fi iyakance shi da farashin calcium carbide.A cikin shekarar da ta gabata, farashin calcium carbide ya ragu da kashi 25%.
Sabili da haka, daga hangen nesa na matakai guda biyu na samar da kayayyaki, farashin albarkatun kasa na hanyar ethylene vinyl acetate ya ragu sosai, kuma rage farashin ya fi na hanyar calcium carbide.

3. Kodayake farashin vinyl acetate ya ragu, raguwa ba ta da mahimmanci kamar sauran sinadarai.A cikin shekarar da ta gabata, farashin vinyl acetate ya ragu da kashi 59%, wanda ya nuna raguwa sosai, amma farashin sauran sinadarai ya ragu fiye da haka.
Vinyl acetate ko da yaushe yana kula da wani ribar riba, musamman saboda raguwar farashin da aka samu sakamakon raguwar farashin albarkatun kasa, maimakon goyon bayan kasuwar mabukaci don farashinsa.Wannan kuma shine halin da ake ciki na watsa darajar a cikin sarkar masana'antar vinyl acetate.Daga halin da ake ciki a kasuwannin sinadarai na kasar Sin a cikin gajeren lokaci, yana da wahala a iya canza yanayin rauni na kasuwar sinadarai ta kasar Sin ba tare da manyan manufofin tallan tallace-tallacen masu amfani ba.Ana sa ran cewa darajar sarkar vinyl acetate za ta ci gaba da kula da dabarun watsawa ta ƙasa, kuma ana sa ran cewa ribar samarwa a ƙarshen kasuwar masu amfani a nan gaba, musamman ga samfuran polyethylene da EV, za a kiyaye su ta hanyar rage ribar vinyl. acetate.