Lub lim tiam no, Tus nqi ntawm cov ntshiab benzene tseem nyob ruaj khov, tus nqi ntawm aniline tau nce los ntawm 60 $ / ton, tus nqi ntawm cyclohexylamine sawv los ntawm 100 $ / ton, tus nqi ntawm MIBK poob los ntawm 200 $ / ton, thiab tus nqi ntawm acetone sawv. los ntawm 30 $ / ton.Lwm cov khoom siv raw khoom ntxiv tus nqi tseem nyob ruaj khov.
Txawm hais tias tus nqi ntawm raw cov ntaub ntawv xws li aniline thiab cyclohexylamine rebounded me ntsis, vim yog lagging qab nyob rau hauv tus qauv, tag nrho cov lag luam tus nqi ntawm additives txuas ntxiv poob rau lub lim tiam no. Tam sim no, kev lag luam hauv kev lag luam ntxiv tseem qeeb, thiab cov kev xav hauv qab no tseem poob qis. Tus nqi ntawm cov khoom siv tseem ceeb TBBS yog qhov siab vim yog kev txhawb nqa los ntawm tertiary butylamine, thaum cov nqi ntawm lwm cov khoom siv tseem ceeb yog ze rau tus nqi. Nws cia siab tias tus nqi ntawm cov khoom ntxiv yuav maj mam ruaj khov rau lub lim tiam tom ntej raws li kev cuam tshuam ntawm qhov kawg ntawm qhov poob ntawm cov khoom siv raw khoom.
Kev cuam tshuam los ntawm kev poob qis ntawm MIBK, tus nqi ntawm antioxidant 6PPD txuas ntxiv poob, thiab cov qauv ntawm antioxidant IPPD tau pom meej cuam tshuam los ntawm 6PPD. Antioxidant TMQ yog ua haujlwm ze rau tus nqi thiab nws cov nqi hloov pauv me ntsis rau lub lim tiam no. Tam sim no, kev muab cov tshuaj antioxidants txaus, thiab tus nqi ntawm cov tshuaj tua kab mob antioxidant tau txo qis vim muaj kev cuam tshuam ntawm cov khoom siv raw, nrog rau qee tus neeg muag khoom muaj inverted pricing thiab muag. Raws li ob qhov kev nyuaj siab ntawm tus nqi poob qis thiab qhov kev thov tsis muaj zog, nws xav tias cov tshuaj tiv thaiv antioxidants yuav poob mus ntxiv rau lub sijhawm luv.
Cov khoom ntawm insoluble sulfur tseem txaus, nrog cov nqi poob me ntsis; tus nqi ntawm zinc oxide tau nce me ntsis, thaum tus nqi ntawm cov tshuaj stearic acid thiab silane coupling cov neeg ua haujlwm tseem nyob ruaj khov, thiab tus nqi ntawm cov tshuaj tiv thaiv kab mob poob qis me ntsis.