Diphenol haisi hydrocarbon inonhuhwirira nekuti ine maatomu eokisijeni uye ichinhu chinonhuhwirira chinobva muzvinhu zvinonhuhwirira.
Industrial 2-naphthol inonatswa ne naphthol sezvinhu zvakabikwa, ine 96-98% sulfuric acid sulfonation ye 2-naphthol sulfonic acid, uyezve ne sodium sulfite neutralization kuti igadzire sodium salt yayo, uyezve ne sodium hydroxide alkali fusion ye 2-naphthol sodium, uyezve ne sulfuric acid acidification ye 2-naphthol crude products, mushure mekufashaidza, kusuka, kuomesa, uye kubvisa compressed distillation ye 2-naphthol products.
Kusvibiswa kwemaitiro aya kwakakomba uye dambudziko rekuchengetedzwa kwezvakatipoteredza ndiro rakakurumbira.
Kugadzirwa kwecyanamine yekuAmerica ye2-isopropylnaphthalene pamwe chete nekugadzirwa kweacetone 2-naphthol, nekuda kwemutengo wekuchengetedza zvakatipoteredza nezvimwe zvikonzero uye kwakamisa kugadzirwa.
Parizvino, nyika dzinonyanya kugadzirwa ne2-naphthol pasi rose iChina, India, Japan, Italy nedzimwe nyika dziri kuEastern Europe.
China yakatanga kugadzira 2-naphthol muna 1957. Kubva kuma1980, nyika dzakabudirira padzakamira kugadzira imwe mushure meimwe, China yave mutengesi mukuru we2-naphthol.
Kubva muna 1990, musika we2-naphthol wakasangana nekukwira nekudzika kukuru. Mumakore achangopfuura, goho regore negore rematani zviuru 8-100 rave richiripo, uye kutengeswa kwemafuta kunze kwenyika kwakaramba kuri kukura zvikuru, nekutengeswa kwemafuta kunze kwenyika kwematani zviuru 8,227 muna 2005, matani zviuru gumi nezvishanu nemakumi mapfumbamwe nemana muna 2006, uye matani zviuru gumi nezvishanu nemakumi matatu nenomwe kubva muna Ndira kusvika Gumiguru 2007.
Kushandiswa kwe2-naphthol muChina kunosvika 60% yezvinhu zvinosanganisa dhayi, 20% yezvinowedzera rabha, 10% yemadhayi nepigment, uye 10% yezvimwe.
Sezvo kudiwa kwedhayi nepigment kuri kuwedzera, kudiwa kwe2-naphthol kunowedzerawo.
Kuvandudza maitiro ekugadzira, kuchengetedza simba uye kuderedza kushandiswa, kuderedza marara matatu kana kugadzira maitiro matsva ekuchenesa kwave nhungamiro yakakosha yekukura kuri kuramba kuripo uye kwakanaka kweindasitiri yekugadzira 2-naphthol.
Chechipiri, kushandiswa muindasitiri yedhayi nepigment
Zvinhu zvinosanganisa dhayi nepigment ndizvo zvinonyanya kushandiswa ne2-naphthol muChina. Chikonzero chikuru ndechekuti kugadzirwa kwezvinhu zvinosanganisa dhayi kwave kuchiendeswa pasi rose. Semuenzaniso, 2, 3 acids, J acid, γ acid, R acid uye chromophenol AS zvese zvinhu zvinokosha zvinotengeswa kunze kwenyika muChina, zvichiita kuti pave neinodarika hafu yezvese zvinobuda mumba.
Pamusoro pekugadzirwa kwedyestuff uye pigment intermediates, 2-naphthol inogonawo kushandiswa sechikamu cheazo, uye diazo compounds kugadzira dyestuff 1,2, 3 acids.
2, 3 acidification zita resainzi: 2-hydroxy-3-naphthic acid, nzira yayo yekugadzira ndeye [1]: 2-naphthol uye sodium hydroxide reaction, decompressed dehydration, kuwana 2-naphthol sodium, uye wobva waita neCO2 kuti uwane 2-naphthol uye 2, 3 sodium salt, bvisa 2-naphthol, acidification, kuwana 2, 3 acid.
Parizvino, nzira huru dzekugadzira imhando ye "solid phase method" uye "solvent method", uye nzira ye "solvent" ndiyo nzira yakajairika yekuvandudza.
Mapigment emugungwa ane 2,3 acids sezvinhu zvinobatanidza anogadzirwa nekutanga kugadzira diazo components kuita diazo salts, pamwe chete ne2,3 acids, uye kushandisa alkali metal nealkali earth metal salts zvinogona kushandurwa kuita lake dyes isinganyungudike.
Chiratidzo chikuru che 2,3 acid lake pigments i red light.
Semuenzaniso: CI Pigment Red 57:1, CI Pigment Red 48:1, nezvimwewo.
Maasidhi 2, 3 anoshandiswa zvakanyanya mukugadzirwa kwechromophenol series yemadhayi echando-dhayi. MuDye Index ya1992, machromophenols 28 akagadzirwa ne2, 3 acids.
Ruvara rwe phenol AS runosanganisira zvikamu zve azo pigment, nzira dzekugadzira dzerudzi urwu rwependi dzinogadzirwa kubva ku diazo component diazonium salt kutanga, uye ruvara rwe phenol coupling AS runosanganisira zvinhu zvinobva muzvinhu izvi, zvakaita se AS zvikamu zve diazo zvine alkyl aromatic ring, halogen, nitrocellulose, alkoxy groups, zvakaita se AS ruvara rwakajairika rwunobva mukuita kwe phenol AS runosanganisira azo dye yezvikamu zvakabatana,
Semuenzaniso, mhete inonhuhwirira yezvikamu zvediazo inewo mapoka esulfonic acid, uye chromophenol AS series derivatives, uye munyu wesimbi dzealkali nealkali unogona kushandurwa kuita dhayi dzedziva dzisinganyungudike.
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Athena
Kambani yeMit-ivy industry
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ceo@mit-ivy.com