Ipropylene oxideyinto esetyenziswa ngokubanzi kwimichiza ekrwada, esetyenziswa kakhulu kwimveliso ye-polyether polyols, i-polyurethanes, i-surfactants, njl njl. I-propylene oxide esetyenziselwa ukuhlanganiswa kwezi mveliso ifumaneka ngokubanzi nge-oxidation yepropylene ene-catalysts ezahlukeneyo. Ngoko ke, impendulo kumbuzo wokuba ipropylene oxide yenziwe nguewe.

Itanki yokugcina i-epoxy propane

 

Okokuqala, makhe sijonge umthombo wepropylene oxide. Ipropylene oxide luhlobo lwemathiriyeli ekrwada ebalulekileyo yeekhemikhali ephuma kwipropylene. Ipropylene luhlobo lwe-olefin efunyenwe ngokuqhekeza i-petroli, kwaye isakhiwo sayo se-molecular siqulunqwe kuphela kwekhabhoni kunye ne-hydrogen. Ke ngoko, ipropylene oxide eyenziwe kwipropylene ikwaluhlobo lwekhompawundi ephilayo eyenziwe kuphela yikhabhoni kunye nehydrogen.

 

Okwesibini, sinokuhlalutya inkqubo yokwenziwa kwepropylene oxide. Inkqubo yokwenziwa kwepropylene oxide ngokuqhelekileyo isebenzisa i-catalysts eyahlukeneyo ukwenza i-oxidation reaction yepropylene phantsi kobushushu obuphezulu kunye neemeko zoxinzelelo oluphezulu. Phakathi kwabo, i-catalyst esetyenziswa ngokuqhelekileyo isilivere. Kwinkqubo ye-oxidation reaction, i-propylene kunye ne-oxygen emoyeni i-catalyzed ngesilivere ukuvelisa i-propylene oxide. Ukongeza, ezinye ii-catalysts ezifana ne-titanium dioxide kunye ne-tungsten oxide nazo zisetyenziselwa ukuhlanganiswa kwepropylene oxide.

 

Ekugqibeleni, sinokuhlalutya ukusetyenziswa kwepropylene oxide. I-propylene oxide isetyenziswa kakhulu kwimveliso ye-polyether polyols, i-polyurethanes, i-surfactants, njl. Ezi mveliso zisetyenziswa ngokubanzi kubomi bemihla ngemihla, njenge-polyurethane foam yokugquma kunye nokumelana nokothuka, i-polyether polyols ye-epoxy resins, i-surfactants yokucoca kunye nokuhlamba. Ngoko ke, ukusetyenziswa kwepropylene oxide kubanzi kakhulu.

 

Ngokusekwe kolu hlalutyo lungentla, sinokufikelela kwisigqibo sokuba ipropylene oxide yimveliso eyenziweyo evela kwipropylene ngokusabela kwe-oxidation kunye neecatalysts ezahlukeneyo. Umthombo wayo, inkqubo yokwenziwa kunye nesicelo zonke zihambelana ngokusondeleyo nobomi bomntu kunye nemisebenzi yokuvelisa.


Ixesha lokuposa: Feb-23-2024