Yuav ua li cas nce tus nqi hauv cawv?

Cov txheej txheem:

Yuav ua li cas nce tus nqi hauv cawv?
Yuav ua li cas nce tus nqi hauv cawv?
Anonim

Feem ntau, tus nqi ntawm cov tshuaj tiv thaiv alcoholysis yog qhov nrawm tshaj plaws rau thawj silanes thiab txo qis nrog nce silane hloov. Tsis tas li ntawd, cov tshuaj tiv thaiv txo qis nrog kev haus cawv ntau ntxiv thiab qib ntawm cov ceg.

kev quav cawv yog dab tsi?

Alcoholysis txhais tau tias yog tawm tsam uas tshwm sim ntawm cov organic molecule thiab cawv ntawm qee yam. … Ib qho piv txwv yog cov tshuaj tiv thaiv ntawm tert-butyl chloride nrog methanol muab methyl tert-butyl ether ua cov khoom.

Tus catalyst feem ntau siv rau cawv?

Txaus siab rau kev ua tau zoo rau ntau qhov kev cuam tshuam cawv tau ua tiav nrog calcium carbonate catalysts txawm tias nyob rau qhov kub siab dua, feem ntau ntau dua 200 ° C. Cov tshuaj tiv thaiv kub siab dua tsis suav tias yog qhov teeb meem rau cov reactors ntws qhov twg cov khoom siv hluav taws xob tuaj yeem siv tau yooj yim los txo cov nqi hluav taws xob tsawg.

Yuav ua li cas hauv qab no ua cov tshuaj tiv thaiv kab mob cawv?

Qhov twg yog cov khoom siv uas nquag siv rau kev haus dej cawv? Nqe lus piav qhia: Feem ntau siv cov catalysts rau alcoholysis, txawm li cas los xij, yog sodium alkoxides.

Dab tsi yog lub npe rau cawv?

Transesterification yog cov lus dav dav siv los piav txog cov chav kawm tseem ceeb ntawm cov tshuaj tiv thaiv kab mob, qhov twg ester (fatty acid ester-RCOOR') hloov mus rau lwm qhov ester (Alkyl esterRCOOR?)los ntawm kev sib hloov ntawm pawg alkyl thiab tseem hu ua alcoholysis.

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