Dimethyl phenylate - mafura phetseng mehleng bakeng dienjini disele

Esters ya - derivatives tsa alcohols, le limolek'hule tsa tsona li sa athomo hydrogen tsa sehlopha se ka OH e ka go engwa legatong ka har'a carbon khōlō. Bakeng sa tloaelehileng Ester metamerism le isomerism hydrocarbon ketane.

hydrocarbon ketane isomerism ke ka lebaka la ho branching lona.

Metamerism - mofuta oa isomerism oo esters peli kapa ho feta ba le tšoanang moralo limolek'hule empa fapaneng sebopeho limolek'hule e loketseng ho radicals fapaneng ka mahlakoreng a mabeli tsa oksijene "borokho". Ka mohlala, tsela eo limolek'hule tšoana le tse tharo S4N10O Ester:

- CH3-O-CH (CH3) 2;

- CH3-O-C3H7;

- C2H5-O-C2H5.

dintho tsena di lokisetsa maiketsetso, ho akarelletsa le dimethyl phenylate. The moralo oa komponeng ena e tšoantšetsoang ke radicals, methyl tse peli, e leng kokangana oksijene "borokho".

Re lokela ho hlokomela hore sebopeho sa esters le profinseng lokolohile ha ke sa etsahala. Dimethyl le methylene ethyl esters, - likhase. Tlang baemeli ba 'maloa - mokelikeli, ha esters a phahameng --butle. Ba haholo hampe qhibilihang ka har'a metsing, hantle haholo ka solvents manyolo. Karolelano ea baemeli ba (dipropyl, propiletilovy diethyl) - tse hlokahalang solvents manyolo. thepa ya moaho wa tsena metsoako manyolo fapana ho itšetlehile ka boima ba 'mele ea limolek'hule.

Dimethyl phenylate itokisa ya

Hlalosang ntho e le hang-hang qhibilihang ka har'a metsing, ethanol, diethyl le dipropyl phenylate. Ester ena e fumana ka lebaka la ho dehydration le methanol ka byproduct tsa tlhahiso ea methanol tloha CO le H2. Sebelisoa ka tsamaiso ea refrigeration ka refrigerant ka.

Nakong e tlang e haufi, dienjini disele tla isoa ha ka khase, 'me dimethyl phenylate. Jwalo ho tsosolosa ya theko ea bona e theko e tlaase haholo ha e bapisoa le phetoho ea ho khase ea tlhaho. Linaha ea etellang pele ka tlhahiso ea dienjini tsena ke US, Russia le Japane.

Mathoasong a lekholo la bo21 la lilemo, 'muso oa Russia qeto ea tabeng ea ho sebelisa tuki mefuta e meng ka ho tsamaisa tseleng. Dimethyl phenylate e sebelisoa ka literaka. Joalo qeto khōlō e ne e entsoe ka lebaka la 'nete ea hore mesi e kotsi ea metsoako ea naetrojene ho tloha dienjini disele hlomamisa ka literaka, ka hara meeli e thehilwe makhetlo a' maloa. Dimethyl phenylate ke loketseng bakeng sa ho mofuta ona wa enjene, ba hoo e ka bang ha ho hlokahale hore ho tsosolosoa. Feela ka ho sebelisa e ncha mefuta e meng ea mafura e ncha enjene ntlafatswa fihla boemong ba Yuro-3 tlholeho.

Mebuso e lefatšeng ka bophara ba kholisehile hore mafura a nakong e tlang bakeng sa dienjini disele e dimethyl phenylate. Kajeno ke ntho e hlahisitseng haholo-holo ka ho hloekisa le khase ea tlhaho. Ka mekhahlelo ea pele ea tshebetso lends ka boeona e ho ho sokolla khase ea tlhaho, 'me kahoo hlahisa tswakana khase. Ka mor'a moo, ho e fetoloa joala, methyl. Ho ekelletsa moo amenable methanol dehydration, ka tsela eo ho fumana dimethyl phenylate. Ho na le mokhoa o mong bakeng sa tswakana ba itse Ester - ho sokoloha e tobileng ea tswakana khase ho methanol.

Esters bapisoa le mafura disele na melemo ea eona 'me, ea e le hantle, go tlhoka mesola. Ka sebopeho sa limolek'hule Ester sieo "k'habone-k'habone" tlamo e. Ka lebaka la ho dikahare khōlō oksijene e fana atomization ntle ke injecting moea tikolohong e nang le mocheso o sa t belang ntho e phahameng ka boeona. litšobotsi tse tsena ntlafatsa go tuka ga molelo. Ka ho sebelisoa ha ona mafura a mefuta e meng decreases lerata enjene, ho eketsa tšepahala lona.

The go tlhoka mesola o ka sehloohong oa Ester ena e kenyeletsa tlaase boleng lik'halori le segokanyipalo tlaase. All ona o isa ho eketseha ha mafura. taba ena ke futsanehile haholo ethylene bottom thepa.