Intshayelelo

Ii-cyclic carbonates ziquka ii-carbonates ezineelungu ezintlanu, ezineelungu ezintandathu, ezineelungu ezisixhenxe kunye nee-carbonates ze-macrocyclic ezineelungu ezisixhenxe nangaphezulu, phakathi kwazo i-propylene carbonate kunye ne-ethylene carbonate zezona zisetyenziswa kakhulu. I-Ethylene carbonate sisisombululo esibalaseleyo se-polar high-boiling point solvent kunye ne-surfactant raw material, esetyenziswa kakhulu kwi-plastiki, ukuprinta kunye nokudaya, ukwenziwa kwe-polymer, ukwahlula igesi kunye ne-electrochemistry.

Iimpawu zeekhemikhali: Ulwelo olungenambala, olungenavumba, olunokutsha. Luxutywa ne-ether, i-acetone, i-benzene, i-chloroform, i-ethyl acetate, njl.njl., olunyibilikayo emanzini nakwi-carbon tetrachloride

Ukusetyenziswa: Isetyenziswa njenge-oily solvent, i-spinning solvent, i-olefin kunye ne-aromatic extractant, i-carbon dioxide efunxayo, i-dispersant yedayi kunye nee-pigments ezinyibilikayo emanzini, njl.

Iindlela zokuvelisa 1. Indlela yePhosgene I-propylene glycol yezinto eziluhlaza isabela kunye ne-phosgene ukuvelisa i-hydroxyisopropyl chloroformate, ethi emva koko isabela kunye ne-sodium hydroxide ukuvelisa i-propylene carbonate, ize imveliso egqityiweyo ifumaneke nge-vacuum distillation. 2. Indlela yokutshintshiselana nge-Ester. 3. Indlela yeChloropropanol. 4. Indlela yokwenza i-propylene oxide kunye ne-carbon dioxide I-Carbon dioxide kunye ne-propylene oxide zisabela kwi-150-160℃ I-Chemicalbook kunye ne-5MPa ukuvelisa i-propylene carbonate. Imveliso egqityiweyo ifumaneka nge-vacuum distillation. Ezi ndlela zingasentla ziye zaphuhliswa kwimizi-mveliso, kodwa iindlela ezintathu zokuqala zineendleko eziphezulu zemveliso kunye nomgangatho ophantsi wemveliso, ngoko ke zitshintshwa kancinci kancinci yindlela yesine. 5. Indlela yokwenza i-propylene oxidation kunye ne-carbon dioxide. Le ndlela yindlela yokwenza i-synthesis ephuhliswe kwilabhoratri kwiminyaka yakutshanje.

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