Ethylene glycol CAS 107-21-1

Ethylene glycol, yomwe imadziwikanso kuti glycol, ndi aliphatic diol yosavuta kwambiri. Ili ndi mphamvu ya mankhwala a ma alcohols, monga kuthekera kopanga ma ether ndi ma ester, kuti apangidwe oxidized kuti apange aldehydes kapena ma acid, ndikusungunuka kuti apange ma ether. Itha kulowedwanso m'malo ndi ma halogens. Ikachita ndi acyl chlorides kapena acid anhydrides, ma diester nthawi zambiri amapangidwa. Ikatenthedwa pamaso pa chothandizira (manganese dioxide, aluminium oxide, zinc oxide kapena sulfuric acid), imatha kuphwanyidwa mkati mwa molecularly kapena intermolecularly kuti ipange cyclic ethylene glycol acetal, yomwe imayanjana ndi nitric acid kuti ipange ethylene glycol dinitrate (yophulika). Ethylene glycol ndi chinthu chopangira ma polyester resins, alkyd resins, ndi polyester ulusi. Imagwiritsidwanso ntchito ngati choletsa kuzizira kwa magalimoto komanso chosungira injini ya ndege.

Mawonekedwe: Madzi opanda utoto, owonekera, okhuthala

Ntchito Ethylene glycol imagwiritsidwa ntchito makamaka ngati zinthu zopangira ulusi wa polyester, ndipo imagwiritsidwanso ntchito mu ma polyester resins ena, ma polyester resins osakhuta ndi utoto wa polyester wa 1730. Mitundu yosiyanasiyana ya ma surfactants ingachokere ku ethylene glycol ndi polyethylene glycol. Dinitroethylene glycol yake ndi yophulika. Ethylene glycol imatha kuchepetsa kuzizira kwa madzi, kotero nthawi zambiri imagwiritsidwa ntchito ngati choletsa kuzizira.

Njira yopangira

1. Njira yothira madzi mwachindunji ya ethylene oxide

2. Ethylene oxide sulfuric acid njira yothandizira hydration

3. Njira yothira madzi mwachindunji ya ethylene

4. Njira yosakaniza ya ethylene dichloride.

5. Njira ya Formaldehyde

Zambiri zamalumikizidwe

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