Diphenol ha se hydrocarbon e nkhang hamonate hobane e na le liathomo tsa oksijene 'me ke ntho e nkhang hamonate e nkiloeng ho eona.
Indasteri ea 2-naphthol e hloekisitsoe ka naphthol e le thepa e tala, ka 96-98% sulfuric acid sulfonation ea 2-naphthol sulfonic acid, ebe ka sodium sulfite neutralization ho hlahisa letsoai la eona la sodium, ebe ka sodium hydroxide alkali fusion ea 2-naphthol sodium, ebe ka sulfuric acid acidification ea lihlahisoa tse tala tsa 2-naphthol, kamora ho belisoa, ho hlatsuoa, ho omisoa, le ho tlosoa ha distillation ea lihlahisoa tsa 2-naphthol.
Tšilafalo ea ts'ebetso ena e tebile haholo 'me bothata ba tšireletso ea tikoloho bo hlahella haholoanyane.
Tlhahiso ea cyanamine ea Amerika ea 2-isopropylnaphthalene e kopantsoeng 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 jwale, dinaha tse ka sehloohong tse hlahisang 2-naphthol lefatsheng ke Chaena, India, Japane, Italy le dinaha tse ding tsa Europe Bochabela.
Chaena e qalile ho hlahisa 2-naphthol ka 1957. Ho tloha ka bo-1980, ha linaha tse tsoetseng pele li emisa tlhahiso ka mor'a e 'ngoe, Chaena e bile mofani e moholo oa 2-naphthol.
Ho tloha ka 1990, 'maraka oa 2-naphthol o bile le maemo a holimo le a tlase a maholo. Lilemong tsa morao tjena, tlhahiso ea selemo le selemo ea lithane tse likete tse 8-100 e ntse e bolokoa, 'me thepa e romelloang kantle ho naha le eona e bolokile kholo e kholo, ka ho romelloa kantle ho naha lithane tse 8,227 ka 2005, lithane tse 15,924 ka 2006, le lithane tse 15,307 ho tloha ka Pherekhong ho isa Mphalane 2007.
Tšebeliso ea 2-naphthol Chaena ke hoo e ka bang 60% ea lintho tse kopanyang dae, 20% ea lintho tse eketsang rabara, 10% ea dae le mebala, le 10% ea tse ling.
Ha tlhoko ea lidae le mebala e ntse e eketseha, tlhoko 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 nts'etsapele ts'ebetso e ncha ea ho hloekisa e se e le tataiso ea bohlokoa bakeng sa nts'etsopele e tsoelang pele le e phetseng hantle ea indasteri ea tlhahiso ea 2-naphthol.
Ea bobeli, ts'ebeliso indastering ea dae le pigment
Di-intermediate tsa dae le pigment ke libaka tse sebelisoang haholo tsa 2-naphthol Chaena. Lebaka le ka sehloohong ke hore tlhahiso ea li-intermediate tsa dae e ntse e fetisetsoa lefatšeng ka bophara. Mohlala, 2, 3 acid, J acid, γ acid, R acid le chromophenol AS kaofela ke thepa ea bohlokoa e romeloang kantle ho naha Chaena, e leng se etsang karolo e fetang halofo ea tlhahiso eohle ea lehae.
Ntle le ho kopanngoa ha dyestuff le di-intermediate tsa pigment, 2-naphthol e ka boela ya sebediswa e le karolo ya azo, le metswako ya diazo ho hlahisa dyestuff 1,2, 3 acid.
2, 3 lebitso la saense la acidification: 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 u arabela le CO2 ho fumana 2-naphthol le 2, 3 sodium salt, tlosa 2-naphthol, acidification, fumana 2, 3 acid.
Hona jwale, mekgwa e meholo ya ho kopanya ke mokgwa wa mohato o tiileng le mokgwa wa ho qhibilihisa, mme mokgwa wa ho qhibilihisa ke mokgwa o akaretsang wa ntshetsopele.
Di-pigment tsa letsha tse nang le di-asidi tse 2,3 e le dikarolo tse kopanyang di kopanngwa ka ho etsa dikarolo tsa diazo pele hore e be matswai a diazo, di kopantswe le di-asidi tse 2,3, ebe ho sebediswa matswai a tshepe ya alkali le tshepe ya lefatshe ya alkali di ka fetolwa ho ba didae tsa letsha tse sa qhibiliheng.
Kromatogram e ka sehloohong ea li-pigment tsa letša la asiti tse 2,3 ke leseli le lefubelu.
Mohlala: CI Pigment Red 57:1, CI Pigment Red 48:1, jj.
Li-acid tse 2, 3 li sebelisoa haholo ho etseng letoto la li-dye tse dailoeng ke leqhoa tse dailoeng ke chromophenol. Ho Dye Index ea 1992, li-chromophenol tse 28 li ile tsa etsoa ke li-acid tse 2, 3.
Mebala ea phenol AS letoto la likarolo tsa ho kopanya tsa pigment ea azo, mekhoa ea maiketsetso ea mofuta ona oa pente e etsoa ka letsoai la diazo motsoako oa diazonium pele, 'me' mala oa phenol coupling AS letoto la lintho tse tsoang ho tsona, joalo ka ha likarolo tsa diazo li na le lesale la alkyl aromatic, halogen, nitrocellulose, lihlopha tsa alkoxy feela, joalo ka ha 'mala o tloaelehileng o hlahang karabelong ea phenol AS letoto la dae ea azo bakeng sa likarolo tse kopantsoeng,
Mohlala, lesale la monko o monate la likarolo tsa diazo le boetse le na le lihlopha tsa sulfonic acid, le li-derivatives tsa letoto la chromophenol AS, ebe letsoai la litšepe tsa alkali le alkali tsa lefats'e le ka fetoloa hore e be lidae tsa letša tse sa qhibiliheng.
INDASERI EA MIT-Ivy e 'nile ea ikemisetsa ho sebelisa lidae le meriana e kopanyang meriana ka lilemo tse ka bang 20, ka bohloeki bo phahameng le theko e loketseng, e leng se 'nileng sa rorisoa haholo ke basebelisi ba pigment lapeng le linaheng tse ling. E le ho leboha palo e kholo ea basebelisi ka lerato la bona, lisampole tsa k'hamphani ea rona li ka fuoa basebelisi bakeng sa teko ea mahala, amohela basebelisi ba tsoang likarolong tsohle tsa sechaba ho tla buisana ka tšebelisano-'moho!
Athena
Khamphani ea indasteri ea Mit-ivy
Whatsapp/wechat:+86 13805212761
ceo@mit-ivy.com