Kev Taw Qhia

Cov cyclic carbonates muaj tsib-membered, rau-membered, xya-membered carbonates thiab macrocyclic carbonates nrog xya lossis ntau dua cov tswv cuab, ntawm cov uas propylene carbonate thiab ethylene carbonate yog cov siv dav tshaj plaws. Ethylene carbonate yog cov khoom siv zoo heev polar high-boiling point solvent thiab surfactant raw khoom, dav siv hauv plastics, luam ntawv thiab dyeing, polymer synthesis, roj sib cais thiab electrochemistry.

Cov khoom siv tshuaj lom neeg: Tsis muaj xim, tsis muaj ntxhiab, kua dej uas yooj yim hlawv. Sib xyaw nrog ether, acetone, benzene, chloroform, ethyl acetate, thiab lwm yam, yaj hauv dej thiab carbon tetrachloride

Siv: Siv ua cov roj oily solvent, spinning solvent, olefin thiab aromatic extractant, carbon dioxide absorbent, dispersant rau dej-soluble dyes thiab pigments, thiab lwm yam.

Cov txheej txheem tsim khoom 1. Txoj kev Phosgene Cov khoom siv raw propylene glycol reacts nrog phosgene los tsim hydroxyisopropyl chloroformate, uas tom qab ntawd reacts nrog sodium hydroxide los tsim propylene carbonate, thiab tom qab ntawd cov khoom tiav lawm tau txais los ntawm kev nqus tsev distillation. 2. Txoj kev pauv Ester. 3. Txoj kev Chloropropanol. 4. Txoj kev propylene oxide thiab carbon dioxide synthesis Carbon dioxide thiab propylene oxide react ntawm 150-160 ℃ Chemicalbook thiab 5MPa los tsim propylene carbonate. Cov khoom tiav lawm tau txais los ntawm kev nqus tsev distillation. Cov txheej txheem saum toj no tau raug industrialized, tab sis thawj peb txoj kev muaj cov nqi tsim khoom siab thiab cov khoom tsis zoo, yog li lawv maj mam hloov los ntawm txoj kev thib plaub. 5. Propylene oxidation thiab carbon dioxide synthesis txoj kev. Txoj kev no yog ib txoj kev synthesis tsim nyob rau hauv chav kuaj mob hauv xyoo tas los no.

Cov ntaub ntawv tiv tauj:

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