Diphenol abụghị hydrocarbon na-esi ísì ụtọ n'ihi na o nwere atọm oxygen ma bụrụkwa ihe sitere na ya na-esi ísì ụtọ.
A na-eme ka 2-naphthol nke ụlọ ọrụ mmepụta ihe dị ka ihe e ji emepụta ihe, site na 96-98% sulfonation nke 2-naphthol sulfonic acid, wee jiri sodium sulfite neutralization mepụta nnu sodium ya, wee jiri sodium hydroxide alkali fusion nke 2-naphthol sodium, wee jiri sulfuric acid acidification nke 2-naphthol crude ngwaahịa, mgbe esichara, saa, kpọọ nkụ, ma wepụsịa nke ngwaahịa 2-naphthol.
Mmetọ nke usoro a dị oke njọ, nsogbu nchekwa gburugburu ebe obibi pụtakwara ìhè karịa.
Mmepụta cyanamine nke Amerịka nke 2-isopropylnaphthalene jikọtara ya na mmepụta acetone 2-naphthol, n'ihi ọnụ ahịa nchekwa gburugburu ebe obibi na ihe ndị ọzọ na ịkwụsị mmepụta.
Ugbu a, mba ndị kacha emepụta 2-naphthol n'ụwa bụ Chaịna, India, Japan, Itali na ụfọdụ mba dị na Ọwụwa Anyanwụ Yuropu.
China malitere imepụta 2-naphthol na 1957. Kemgbe afọ 1980, ka mba ndị mepere emepe kwụsịrị mmepụta otu otu, China aghọọla onye na-ebunye 2-naphthol.
Kemgbe afọ 1990, ahịa 2-naphthol enweela nnukwu mmụba na ọdịda. N'afọ ndị na-adịbeghị anya, a na-ejigide mmepụta kwa afọ nke puku tọn 8-100, mbupụ ahụ anọgidewokwa na-eto nke ukwuu, na mbupụ nke tọn 8,227 na 2005, tọn 15,924 na 2006, na tọn 15,307 site na Jenụwarị ruo Ọktoba 2007.
Oriri nke 2-naphthol na China bụ ihe dị ka 60% nke ihe ndị na-eme ka agba dị n'etiti, 20% nke ihe mgbakwunye roba, 10% nke agba na agba, na 10% nke ndị ọzọ.
Ka ọchịchọ maka agba na agba na-abawanye, otú ahụ ka ọchịchọ maka 2-naphthol ga-esi na-abawanye.
Imeziwanye usoro mmepụta, ịchekwa ike na ibelata oriri, ibelata ihe mkpofu atọ ma ọ bụ ịmepụta usoro nhicha ọhụrụ aghọwo ụzọ dị mkpa maka mmepe na-aga n'ihu na nke ahụike nke ụlọ ọrụ mmepụta 2-naphthol.
Nke abụọ, itinye ya n'ọrụ n'ụlọ ọrụ agba na agba
Ihe ndị na-eme ka agba na agba dị n'etiti bụ ebe a na-eri 2-naphthol na China. Isi ihe kpatara ya bụ na mmepụta nke ihe ndị na-eme ka agba dị n'etiti na-agafe n'ụwa niile. Dịka ọmụmaatụ, 2, 3 acids, J acid, γ acid, R acid na chromophenol AS bụ ihe dị mkpa maka mbupụ na China, na-eme ihe karịrị ọkara nke mkpokọta mmepụta n'ime ụlọ.
Tinyere njikọta nke agba na ihe ndị na-eme ka agba dị n'etiti, enwere ike iji 2-naphthol mee ihe dị ka akụkụ azo, na ngwakọta diazo iji mepụta agba 1, 2, 3 asịd.
2, 3 Aha sayensị maka imepụta asịd: 2-hydroxy-3-naphthic acid, usoro mmepụta ya bụ [1]: mmeghachi omume 2-naphthol na sodium hydroxide, decompressed dehydration, nweta 2-naphthol sodium, wee meghachi omume na CO2 iji nweta 2-naphthol na 2, 3 sodium salt, wepụ 2-naphthol, acidification, nweta 2, 3 acid.
Ugbu a, ụzọ isi eji eme ihe bụ usoro siri ike na usoro ihe mgbaze, ụzọ ihe mgbaze bụkwa usoro mmepe izugbe.
A na-emepụta agba ọdọ mmiri nwere asịd 2,3 dị ka ihe njikọta site na ibu ụzọ mee ka ihe mejupụtara diazo ghọọ nnu diazo, jikọta ya na asịd 2,3, wee jiri alkali metal na alkali earth metal salts gbanwee ka ọ bụrụ agba ọdọ mmiri na-anaghị agbaze.
Isi ihe dị na chromatogram nke agba 2,3 nke ọdọ mmiri acid bụ ìhè uhie.
Dịka ọmụmaatụ: CI Pigment Red 57:1, CI Pigment Red 48:1, wdg.
A na-eji asịd 2, 3 eme ihe nke ukwuu n'ịmepụta usoro chromophenol nke agba agba a kpụrụ akpụ. Na Ndekọ Agba nke 1992, e ji asịd 2, 3 mepụta chromophenol 28.
Agba phenol AS usoro njikọ nke ihe mejupụtara agba azo, ụzọ sịntetik nke ụdị agba a ka e ji nnu diazonium mee, na agba nke njikọ phenol AS usoro ihe ndị sitere na ya, dịka AS ihe mejupụtara diazo nwere naanị mgbanaka aromatic alkyl, halogen, nitrocellulose, otu alkoxy, dị ka AS agba nkịtị sitere na mmeghachi omume nke phenol AS usoro agba azo maka ihe ndị ejikọtara ọnụ,
Dịka ọmụmaatụ, mgbanaka aromatic nke ihe ndị dị na diazo nwekwara otu sulfonic acid, yana ihe ndị sitere na usoro chromophenol AS, mgbe ahụ enwere ike ịgbanwe nnu nke alkali na alkali ụwa metals ka ọ bụrụ agba ọdọ mmiri na-anaghị agbaze.
MIT-Ivy INDUSTRY ewepụtala agba na ọgwụ ndị na-eme ka ihe dị n'ime ya dị mma ruo ihe fọrọ nke nta ka ọ bụrụ afọ 20, ha dịkwa ọcha ma dịkwa ọnụ ala, nke ndị na-eji agba eme ihe n'ụlọ na mba ofesi toro nke ukwuu. Iji kelee ọtụtụ ndị na-eji ya maka ịhụnanya ha, enwere ike inye ndị ọrụ ihe nlele ụlọ ọrụ anyị maka nnwale n'efu, nabata ndị ọrụ sitere na gburugburu obodo niile ka ha bịa kparịta maka mmekorita!
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