Tun daga rabin na biyu na shekara, an sami gagarumin sabani a cikin yanayin n-butanol da samfurori masu dangantaka, octanol da isobutanol.Shiga cikin kwata na huɗu, wannan al'amari ya ci gaba kuma ya haifar da jerin tasirin da ya biyo baya, a kaikaice yana cin gajiyar ɓangaren buƙata na n-butanol, yana ba da tallafi mai kyau ga sauye-sauyen sa daga koma baya ɗaya zuwa yanayin gefe.

A cikin bincikenmu na yau da kullun da bincike na n-butanol, samfuran da ke da alaƙa sune mahimman abubuwan nuni.Daga cikin samfuran da ke da alaƙa, octanol da isobutanol suna da tasiri musamman akan n-butanol.A cikin rabin na biyu na shekara, akwai bambanci mai mahimmanci tsakanin octanol da n-butanol, yayin da isobutanol ya kasance akai-akai fiye da n-butanol.Wannan al'amari ya yi tasiri sosai a kan samarwa da tsarin buƙatun n-butanol, kuma ya yi tasiri a kan yanayin n-butanol a cikin kwata na hudu.

Tun daga kwata na huɗu, bisa la'akari da sa ido kan bayanan aiki na ƙasa, mun gano cewa yawan aiki na mafi girma na kayan aiki na ƙasa, butyl acrylate, ya ragu sosai, wanda ke haifar da koma baya ga buƙatar n-butanol.Koyaya, a kan koma bayan karuwar wadata, kasuwa yana tsammanin sarkar masana'antar n-butanol za ta tara kaya da sauri a nan gaba, yana haifar da fermentation na ra'ayin bearish.A cikin wannan mahallin, kasuwar n-butanol ta sami raguwar sama da yuan 2000/ton.Duk da haka, raƙuman fata a gaskiya sun ci karo da gaskiya mai ƙarfi, kuma ainihin aikin kasuwar n-butanol a watan Nuwamba ya bambanta sosai daga tsammanin baya.A gaskiya ma, duk da rashin babban goyon bayan aiki daga mafi girma na butyl acrylate, karuwar yawan aiki na sauran kayan aiki na kasa kamar butyl acetate da DBP yana da matukar muhimmanci, wanda ke goyan bayan yanayin halin yanzu na n-butanol daga raguwa zuwa gefe zuwa gefe. aiki.Ya zuwa karshen ranar 27 ga Nuwamba, farashin Shandong n-butanol ya kasance tsakanin yuan 7700-7800, kuma ana yin ciniki ta gefe kusa da wannan matakin tsawon makonni uku a jere.

Akwai fassarori da yawa na canje-canje a cikin amfani na ƙasa ta kasuwa, amma haɓakar ƙimar aiki na masana'antar filastik DBP na ƙasa da yanayin ƙarancin ƙima sun saba wa aikin gargajiya na masana'antar a lokacin mafi girman lokacin.Mun yi imanin cewa abin da ya faru a sama yana da alaƙa da kusanci ba kawai ga sake cikawar ƙasa ba, har ma da samfuran da ke da alaƙa, kuma yana da tasiri mai dorewa a kasuwar n-butanol.

Babban bambancin farashin tsakanin octanol da n-butanol a kaikaice yana ƙara buƙatar n-butanol

A cikin shekaru biyar da suka gabata (2018-2022), matsakaicin bambancin farashi tsakanin octanol da n-butanol ya kai yuan 1374.Lokacin da wannan bambancin farashin ya wuce wannan ƙima na dogon lokaci, yana iya haifar da na'urori masu canzawa suna zabar haɓaka samar da octanol ko rage samar da n-butanol.Koyaya, tun daga shekarar 2023, wannan bambance-bambancen farashin ya ci gaba da haɓaka, ya kai yuan 3000-4000 a cikin kwata na uku da na huɗu.Wannan matsananciyar bambance-bambancen farashin ya jawo na'urori masu iya canzawa don zaɓar samar da n-butanol, wanda hakan ya shafi ɓangaren buƙatar n-butanol.

Tare da fadada bambancin farashin tsakanin octanol da n-butanol, mahimman abubuwan maye gurbin sun bayyana a cikin filin filastik.Ko da yake yawan DBP a fagen filastik ba shi da mahimmanci, yayin da bambancin farashin tsakanin octanol da n-butanol ya fadada, bambancin farashin tsakanin DBP da octanol plasticizers kuma yana ci gaba da fadadawa.Dangane da la'akari da farashi, wasu abokan ciniki na ƙarshe sun ƙara yawan amfani da DBP, a kaikaice suna ƙara yawan amfani da n-butanol, yayin da adadin adadin octanol filastik ya ragu.

Isobutanol ya ci gaba da kasancewa sama da n-butanol, tare da wasu buƙatu suna canzawa zuwa n-butanol.

Tun daga kwata na uku, bambancin farashin tsakanin n-butanol da isobutanol ya sami canje-canje masu mahimmanci.Tare da goyon bayansa mai ƙarfi, isobutanol ya canza sannu a hankali daga kasancewa ƙasa da n-butanol zuwa kasancewa mafi girma fiye da n-butanol kamar yadda ya saba, kuma bambancin farashin tsakanin su biyu ya kai sabon matsayi a cikin 'yan shekarun nan.Wannan sauye-sauyen farashin yana da tasiri mai mahimmanci akan amfani da isobutanol/n-butanol.Kamar yadda fa'idar farashin isobutanol plasticizers ya ragu, wasu abokan ciniki na ƙasa suna daidaita hanyoyin samar da su kuma suna juyawa zuwa DBP tare da fa'idodin farashi mafi girma.Tun daga kwata na uku, masana'antun roba na isobutanol da dama a arewaci da gabashin kasar Sin sun samu raguwa iri-iri na raguwar farashin aiki, inda wasu masana'antu har ma suka koma kera na'urorin robobi na n-butanol, a kaikaice suna kara yawan amfani da n-butanol.