Okwangoku, i-alcohol ye-plasticizer esetyenziswa kakhulu yi-2-propylheptanol (2-PH) kunye ne-sinanyl alcohol (INA), isetyenziswe ngokukodwa kwimveliso yeplastiki yesizukulwana esilandelayo. I-Esters eyenziwe kwii-alcohols eziphezulu ezifana ne-2-PH kunye ne-INA zibonelela ngokhuseleko olukhulu kunye nobuhlobo bendalo.
I-2-PH isabela nge-phthalic anhydride ukwenza i-di (2-propylheptyl) phthalate (DPHP). Iimveliso zePVC ezenziwe ngeplastiki kunye ne-DPHP zibonisa ukugquma kombane okuphezulu, ukumelana nemozulu, ukuguquguquka okuphantsi, kunye neempawu eziphantsi ze-physico-chemical, zibenza basebenze ngokubanzi kwiintambo, izixhobo zendlu, iifilimu zecandelo lemoto, kunye neeplastiki zomgangatho. Ukongeza, i-2-PH ingasetyenziselwa ukudibanisa i-high-performance general-purpose non-surfactants ye-nonionic. Kwi-2012, i-BASF kunye ne-Sinopec Yangzi Petrochemical ngokudibeneyo yagunyazisa i-80,000-ton-ngonyaka indawo yokuvelisa i-2-PH, isityalo sokuqala sase-China se-2-PH. Ngo-2014, i-Shenhua Baotou Coal Chemical Company yasungula i-60,000-ton-per-year 2-PH iyunithi yokuvelisa, iprojekthi yokuqala yaseChina esekwe ngamalahle e-2-PH. Okwangoku, iinkampani ezininzi ezineeprojekthi ze-coal-to-olefin zicwangcisa izibonelelo ze-2-PH, kuquka i-Yanchang Petroleum (iitoni ezingama-80,000 / ngonyaka), i-China Coal Shaanxi Yulin (iitoni ezingama-60,000 / ngonyaka), kunye ne-Inner Mongolia Daxin (iitoni ezingama-72,700 / ngonyaka).
I-INA isetyenziselwa kakhulu ukuvelisa i-diisononyl phthalate (DINP), iplastiki ebalulekileyo yenjongo jikelele. I-International Council of Toy Industries ithathe i-DINP ingeyongozi ebantwaneni, kwaye imfuno yayo ekhulayo kwiminyaka yakutshanje iqhube ukwanda kokusetyenziswa kwe-INA. I-DINP isetyenziswa kakhulu kwiimoto, iintambo, umgangatho, ulwakhiwo, kunye namanye amacandelo oshishino. Ngo-Oktobha 2015, i-50: i-50 yokubambisana phakathi kweSinopec kunye ne-BASF iqalise ngokusemthethweni imveliso kwi-180,000-ton-per-year INA plant e-Maoming, e-Guangdong-kuphela kwendawo yokuvelisa i-INA e-China. Ukusetyenziswa kwekhaya kume malunga neetoni ezingama-300,000, okushiya umsantsa wokubonelela. Ngaphambi kwale projekthi, i-China yayithembele ngokupheleleyo ekungenisweni kwe-INA, kunye neetoni ze-286,000 ezingeniswe kwi-2016.
Zombini i-2-PH kunye ne-INA ziveliswa ngokuphendula i-butenes ukusuka kwi-C4 imilambo ene-syngas (H₂ kunye ne-CO). Inkqubo isebenzisa i-catalysts yesinyithi ehloniphekileyo, kwaye ukuhlanganiswa kunye nokukhetha kwezi zinto zibangela ukuhlala kungundoqo kwiibhotile zasekhaya ze-2-PH kunye nemveliso ye-INA. Kwiminyaka yakutshanje, amaziko amaninzi ophando aseTshayina enze inkqubela phambili kwitekhnoloji yemveliso ye-INA kunye nophuhliso lwe-catalyst. Ngokomzekelo, iYunivesithi yaseTsinghua yeC1 Chemistry Laboratory isebenzise i-octenes exubeneyo ukusuka kwi-butene oligomerization njenge-feedstock kunye ne-rhodium catalyst ene-triphenylphosphine oxide njenge-ligand, ukuphumeza isivuno se-90% se-sinanal, ukubonelela ngesiseko esiluqilima se-industrial scale-up.
Ixesha lokuposa: Jul-14-2025