A halin yanzu, barasa na filastik da aka fi amfani da su shine 2-propylheptanol (2-PH) da kuma isononyl barasa (INA), da farko ana amfani da su wajen samar da na'urorin filastik na gaba. Esters da aka haɗa daga manyan barasa kamar 2-PH da INA suna ba da ƙarin aminci da abokantaka na muhalli.
2-PH yana amsawa tare da phthalic anhydride don samar da di(2-propylheptyl) phthalate (DPHP). Kayayyakin PVC da aka yi wa filastik tare da DPHP suna nuna ingantaccen rufin lantarki, juriya na yanayi, ƙarancin ƙarfi, da ƙarancin kaddarorin sinadarai, wanda ke sa su yadu a cikin igiyoyi, kayan aikin gida, fina-finai na kayan mota, da robobin bene. Bugu da ƙari, ana iya amfani da 2-PH don haɗa manyan ayyuka na gaba ɗaya-manufa nonionic surfactants. A shekarar 2012, BASF da Sinopec Yangzi Petrochemical tare da hadin gwiwa sun ba da aikin samar da kayan aikin 2-PH mai nauyin ton 80,000 a kowace shekara, kamfanin samar da wutar lantarki mai karfin 2-PH na farko a kasar Sin. A shekarar 2014, kamfanin Shenhua Baotou Coal Chemical Company ya kaddamar da rukunin samar da sinadarin 2-PH mai nauyin ton 60,000 a kowace shekara, aikin aikin 2-PH na farko na kasar Sin. A halin yanzu, kamfanoni da yawa tare da ayyukan kwal-to-olefin suna tsara wuraren 2-PH, ciki har da Yanchang Petroleum (tan 80,000 / shekara), China Coal Shaanxi Yulin (ton 60,000 / shekara), da Mongolia Daxin na ciki (tan 72,700 / shekara).
Ana amfani da INA galibi don samar da diisononyl phthalate (DINP), muhimmin maƙasudin filastik. Majalisar Dinkin Duniya ta Masana'antu ta Toy ta dauki DINP ba mai haɗari ga yara ba, kuma karuwar bukatarta a cikin 'yan shekarun nan ya haifar da karuwar amfani da INA. Ana amfani da DINP sosai a cikin motoci, igiyoyi, bene, gini, da sauran sassan masana'antu. A watan Oktoba na shekarar 2015, wani kamfani na hadin gwiwa tsakanin Sinopec da BASF ya fara aiki a hukumance a tsawon sa'o'i 50:50 a wata masana'antar INA mai nauyin ton 180,000 a kowace shekara a Maoming, Guangdong, cibiyar samar da INA daya tilo a kasar Sin. Amfanin cikin gida yana kusan tan 300,000, yana barin gibin wadata. Kafin wannan aikin, kasar Sin ta dogara gaba daya kan shigo da kayayyaki daga INA, inda aka shigo da tan 286,000 a shekarar 2016.
Ana samar da 2-PH da INA ta hanyar amsa butene daga rafukan C4 tare da syngas (H₂ da CO). Tsarin yana ɗaukar ma'auni mai mahimmanci na ƙarfe masu haɓakawa, kuma haɗawa da zaɓin waɗannan abubuwan haɓakawa sun kasance maɓalli na ƙulli a cikin samar da 2-PH da INA. A cikin 'yan shekarun nan, cibiyoyin bincike na kasar Sin da dama sun samu ci gaba a fannin fasahar samar da kayayyakin fasahar kere kere ta INA da ci gaba mai kara kuzari. Misali, dakin gwaje-gwajen Chemistry na Jami'ar Tsinghua ya yi amfani da gaurayawan octenes daga butene oligomerization a matsayin abinci mai gina jiki da rhodium mai kara kuzari tare da triphenylphosphine oxide a matsayin ligand, yana samun yawan amfanin gona na 90% na isononanal, yana samar da ingantaccen tushe don haɓaka masana'antu.
Lokacin aikawa: Yuli-14-2025