Diphenol ha se hydrocarbon e nkhang hamonate hobane e na le liathomo tsa oksijene 'me ke ntho e nkhang hamonate.
Industrial 2-naphthol e hloekisitsoe naphthol e le lisebelisoa tse tala, tse nang le 96-98% sulfuric acid sulfonation ea 2-naphthol sulfonic acid, 'me joale ka sodium sulfite neutralization ho hlahisa letsoai la eona la sodium,' me joale ka sodium hydroxide alkali fusion ea 2-naphthol sodium. , ebe ka acidification ea sulfuric acid ea lihlahisoa tse tala tsa 2-naphthol, ka mor'a ho belisoa, ho hlatsoa, ​​ho omisa, ho senya distillation ea lihlahisoa tsa 2-naphthol.
Tšilafalo ea tšebetso ena e batla e tebile ’me bothata ba tšireletso ea tikoloho bo hlahella haholoanyane.
Nts'etsopele ea Amerika ea cyanamine ea 2-isopropylnaphthalene tlhahiso e kopaneng ea ts'ebetso ea acetone 2-naphthol, ka lebaka la litšenyehelo tsa ts'ireletso ea tikoloho le mabaka a mang le ho emisa tlhahiso.
Hona joale, linaha tse ka sehloohong tsa tlhahiso ea 2-naphthol lefatšeng ke Chaena, India, Japane, Italy le linaheng tse ling tsa Europe Bochabela.
China e ile ea qala ho hlahisa 2-naphthol ka 1957. Ho tloha lilemong tsa bo-1980, ha linaha tse tsoetseng pele li emisa tlhahiso ka mor'a e 'ngoe, Chaena e fetohile mofani oa ka sehloohong oa 2-naphthol.
Ho tloha ka 1990, 'maraka oa 2-naphthol o bile le mathata le mathata a maholo. Lilemong tsa morao tjena, tlhahiso ea selemo le selemo ea lithane tse likete tse 8-100 e bolokiloe, 'me thepa e tsoang linaheng tse ling e boetse e bolokile kholo e kholo, ka ho romela lithane tse 8,227 ka 2005, lithane tse 15,924 ka 2006, le lithane tse 15,307 ho tloha ka January ho ea ho October 2007.
Tšebeliso ea 2-naphthol Chaena ke hoo e ka bang 60% ea li-intermediate tsa dae, 20% ea li-additives tsa rabara, 10% ea lidae le li-pigments, le 10% ea tse ling.
Ha tlhoko ea dae le li-pigments e ntse e eketseha, tlhokahalo ea 2-naphthol le eona e tla eketseha.
Ho ntlafatsa ts'ebetso ea tlhahiso, ho boloka matla le ho fokotsa tšebeliso, ho fokotsa litšila tse tharo kapa ho hlahisa mokhoa o mocha oa ho hloekisa e fetohile tataiso ea bohlokoa bakeng sa tsoelo-pele e tsoelang pele le e phetseng hantle ea indasteri ea tlhahiso ea 2-naphthol.
Ea bobeli, ts'ebeliso ea indasteri ea dae le ea pigment
Lisebelisoa tsa dae le pigment ke libaka tse kholo ka ho fetisisa tse sebelisoang ke 2-naphthol Chaena. Lebaka le ka sehloohong ke hore tlhahiso ea li-intermediates tsa dae e ntse e fetisoa lefatšeng ka bophara. Ka mohlala, 2, 3 acids, J acid, γ acid, R acid le chromophenol AS kaofela ke tsa bohlokoa tse tsoang linaheng tse ling tsa China, tse etsang karolo e fetang halofo ea kakaretso ea tlhahiso ea malapeng.
Ntle le motsoako oa li-dyestuff le li-pigment intermediates, 2-naphthol e ka boela ea sebelisoa e le karolo ea azo, le metsoako ea diazo ho hlahisa dyestuff 1,2, 3 acid.
2, 3 acidification lebitso la saense: 2-hydroxy-3-naphthic acid, mokhoa oa eona oa ho kopanya ke [1] : 2-naphthol le sodium hydroxide reaction, decompressed dehydration, fumana 2-naphthol sodium, ebe o itšoara ka CO2 ho fumana 2- naphthol le 2, 3 letsoai la sodium, tlosa 2-naphthol, acidification, fumana 2, 3 acid.
Hona joale, mekhoa e ka sehloohong ea ho kopanya ke mokhoa o tiileng oa mohato le mokhoa oa ho qhibiliha, 'me mokhoa oa solvent ke mokhoa o akaretsang oa tsoelo-pele.
Li-pigments tsa Letša tse nang le li-acid tse 2,3 e le likarolo tse kopanyang li entsoe ka ho qala ka ho etsa likarolo tsa diazo hore e be matsoai a diazo, a kopantsoe le li-acid tse 2,3, 'me joale a sebelisa matsoai a tšepe a alkali le a alkali lefats'e a ka fetoloa lidae tsa letša tse sa keneng.
Chromatogram e kholo ea mebala ea letša ea 2,3 acid ke lebone le lefubelu.
Ka mohlala: CI Pigment Red 57: 1, CI Pigment Red 48: 1, joalo-joalo.
2, 3 li-acids li sebelisoa haholo ha ho etsoa letoto la li-chromophenol tsa lidae tse dailoeng ka leqhoa. Ho Index ea Dye ea 1992, li-chromophenol tse 28 li entsoe ka 2, 3 acid.
Colour phenol AS letoto la likarolo tse kopanyang tsa azo pigment, mekhoa ea maiketsetso ea mofuta ona oa pente e entsoe ka karolo ea diazonium letsoai la diazonium pele, 'me' mala oa phenol coupling AS letoto la lintho tse nkiloeng, joalo ka AS likarolo tsa diazo li na le selikalikoe sa alkyl monko o monate feela. halogen, nitrocellulose, lihlopha tsa alkoxy, joalo ka 'mala o tloaelehileng o hlahisoang ke karabelo ea phenol AS letoto la dae ea azo bakeng sa likarolo tse kopaneng,
Mohlala, selikalikoe se nkhang hamonate sa likarolo tsa diazo se boetse se na le lihlopha tsa asiti ea sulfonic, le li-derivatives tsa letoto la chromophenol AS, ebe letsoai la litšepe tsa alkali le alkali lefats'e le ka fetoloa lidae tsa letša tse sa qhibilihang.
MIT-Ivy INDUSTRY e ikemiselitse ho etsa lidae le li-intermediate tsa meriana ka lilemo tse ka bang 20, ka bohloeki bo phahameng le theko e ntle, e rorisitsoeng haholo ke basebelisi ba pigment lapeng le kantle ho naha. E le ho leboha palo e kholo ea basebelisi ka lerato la bona, mehlala ea k'hamphani ea rona e ka fuoa basebelisi bakeng sa teko ea mahala, amohela basebelisi ba tsoang lichabeng tsohle tsa sechaba ho tla buisana ka tšebelisano!
Athena
Khamphani ea indasteri ea Mit-ivy
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