2-Naphthol, yomwe imadziwikanso kuti β-naphthol, acetonaphthol kapena 2-hydroxynaphthalene, ndi tinthu toyera tonyezimira kapena ufa woyera. Kuchuluka kwake ndi 1.28g/cm3. Malo osungunuka ndi 123~124℃, malo owira ndi 285~286℃, ndipo malo owunikira ndi 161℃. Imayaka, ndipo mtundu wake umakhala wakuda ikasungidwa kwa nthawi yayitali. Imasungunuka ndi kutentha, fungo loipa. Sisungunuka m'madzi, imasungunuka mu organic solvents ndi alkaline solutions.

2. Kugwiritsa ntchito mumakampani opanga utoto ndi utoto
Ma Dyestuffs ndi ma pigment intermediates ndi malo omwe amagwiritsidwa ntchito kwambiri ndi 2-naphthol m'dziko langa. Chifukwa chachikulu ndichakuti kupanga ma dye intermediates kwasamutsidwa padziko lonse lapansi, monga 2, 3 acid, J acid, gamma acid, R acid, chromophenol AS Izi ndi zinthu zofunika kwambiri zotumizira kunja kwa dziko langa, ndipo kuchuluka kwa zinthu zotumizira kunja kumaphatikizapo theka la zonse zomwe zimapangidwa m'nyumba. Kuphatikiza pa kupanga utoto ndi ma pigment intermediates, 2-naphthol ingagwiritsidwenso ntchito ngati azo moiety kuti igwirizane ndi ma diazonium compounds kuti ipange utoto.

1, 2, 3 asidi
Dzina la mankhwala a asidi 2,3: 2-hydroxy-3-naphthoic acid, njira yake yopangira ndi iyi: 2-naphthol imayamwa ndi sodium hydroxide, imaphwanyidwa madzi pansi pa kupanikizika kochepa kuti ipeze sodium 2-naphtholate, kenako imayamwa ndi CO2 kuti ipeze 2-naphthalene Phenol ndi 2,3 sodium salt, kuchotsa 2-naphthol ndi acidify kuti ipeze 2,3 acid. Pakadali pano, njira zake zopangira zimaphatikizapo njira yolimba komanso njira yosungunulira, ndipo njira yosungunulira yomwe ilipo ndi njira yayikulu yopitira patsogolo.
Utoto wa nyanja wokhala ndi ma asidi 2,3 ngati zigawo zolumikizira. Njira yopangira utoto wamtunduwu ndi kupanga choyamba zigawo za diazonium kukhala mchere wa diazonium, kuphatikiza ndi ma asidi 2,3, kenako kugwiritsa ntchito mchere wa alkali metal ndi alkaline earth metal kuti ziphatikizidwe. Umasanduka utoto wa nyanja wosasungunuka. Mtundu waukulu wa utoto wa nyanja wa 2,3 acid ndi kuwala kofiira. Monga: CI Pigment Red 57:1, CI Pigment Red 48:1 ndi zina zotero.
Ma asidi 2,3 amagwiritsidwa ntchito kwambiri popanga utoto wa ayezi wa naphthol. Mu "Dyestuff Index" ya 1992, pali ma naphtha 28 omwe amapangidwa ndi ma asidi 2,3.
Mndandanda wa Naphthol AS ndi utoto wa azo wokhala ndi zigawo zolumikizira. Njira yopangira mtundu uwu wa utoto ndi kupanga choyamba zigawo za diazonium kukhala mchere wa diazonium ndikuziphatikiza ndi zotumphukira za naphthol AS, monga pa mphete ya aromatic ya gawo la diazonium. Muli alkyl, halogen, nitro, alkoxy ndi magulu ena okha, kenako pambuyo pa reaction, mndandanda wamba wa naphthol AS ndi gawo lolumikizira la pigment ya azo, monga mphete ya aromatic ya gawo la diazo ilinso ndi gulu la sulfonic acid, Coupling ndi zotumphukira za Naphthol AS, kenako kugwiritsa ntchito mchere wa alkali metal ndi alkaline earth metal kuti musinthe kukhala utoto wosasungunuka wa nyanja.
Kampani ya Suzhou Lintong Dyestuff Chemical Co., Ltd. inayamba kupanga asidi 2,3 m'zaka za m'ma 1980. Pambuyo pa zaka zambiri zopanga, yakhala kampani yayikulu kwambiri yopanga asidi 2,3 m'dziko muno komanso padziko lonse lapansi.

2. Tobias acid
Dzina la mankhwala a Tobias acid: 2-aminonaphthalene-1-sulfonic acid. Njira yopangira ndi iyi: 2-naphthol sulfonation kuti mupeze 2-naphthol-1-sulfonic acid, ammoniation kuti mupeze 2-naphthylamine-1-sodium sulfonate, ndi acid precipitation kuti mupeze Tobic acid. Sulfonated Tobic acid imapangidwa kuti ipeze sulfonated Tobic acid (2-naphthylamine-1,5-disulfonic acid).
Tobias acid ndi zinthu zina zochokera ku Tobias acid zingagwiritsidwe ntchito popanga utoto monga Chromol AS-SW, Reactive Red K1613, Lithol Scarlet, Reactive Brilliant Red K10B, Reactive Brilliant Red K10B, Reactive Brilliant KE-7B, ndi utoto monga Organic Violet Red

3. J asidi
Dzina la mankhwala la asidi J: 2-Amino-5-naphthol-7-sulfonic acid, njira yake yopangira ndi iyi: Toubic acid imapangidwa ndi sulfonate pa kutentha kwakukulu komanso kotsika, imasungunuka ndi mchere mu acidic medium kuti ipeze 2-naphthylamine-5,72 Sulfonic acid, kenako imasungunuka, alkali fusion, acidification kuti ipeze asidi J. Asidi J amachitapo kanthu kuti apeze J acid derivatives monga N-aryl J acid, bis J acid, ndi scarlet acid.
J acid ndi zinthu zochokera mkati mwake zimatha kupanga mitundu yosiyanasiyana ya utoto wa acidic kapena direct, utoto wa reactive ndi reactive, monga: Acid Violet 2R, Weak Acid Purple PL, Direct Pink, Direct Pink Purple NGB, ndi zina zotero.

4. Mchere wa G
Dzina la mankhwala a mchere wa G: 2-naphthol-6,8-disulfonic acid dipotassium salt. Njira yake yopangira ndi iyi: 2-naphthol sulfonation ndi salting out. Mchere wa G ukhozanso kusungunuka, kusakanikirana ndi alkali, kusinthidwa, ndi kusungunuka kuti upeze dihydroxy G salt.
Mchere wa G ndi zotumphukira zake zingagwiritsidwe ntchito kupanga zinthu zopaka utoto wa asidi, monga asidi lalanje G, asidi wofiira GR, asidi wofooka wofiira FG, ndi zina zotero.

5. Mchere wa R
Dzina la mankhwala a mchere wa R: 2-naphthol-3,6-disulfonic acid disodium salt, njira yake yopangira ndi iyi: 2-naphthol sulfonation, salting out. Mchere wa G ukhozanso kusungunuka, kusakanikirana ndi alkali, kusinthidwa, ndikusungunuka kuti upeze dihydroxy R salt.
Mchere wa R ndi zinthu zina zotumphukira zimatha kupangidwa: Direct Light Fast Blue 2RLL, Reactive Red KN-5B, Reactive Red Violet KN-2R, ndi zina zotero.

6, 1,2,4 asidi
1,2,4 asidi mankhwala dzina: 1-amino-2-naphthol-4-sulfonic acid, njira yake yopangira ndi iyi: 2-naphthol imasungunuka mu sodium hydroxide, nitrosated ndi sodium nitrite, kenako imasakanizidwa ndi sodium sulfite Reaction yochulukirapo, ndipo potsiriza acidification ndi kudzipatula kuti apeze mankhwala. 1,2,4 asidi diazotization kuti apeze 1,2,4 asidi oxide thupi.
Ma acid 1, 2, 4 ndi zotumphukira zingagwiritsidwe ntchito pa: acid mordant wakuda T, acid mordant wakuda R, ndi zina zotero.

7. Chevron acid
Dzina la mankhwala la Chevroic acid: 2-naphthol-6-sulfonic acid, ndipo njira yake yopangira ndi: 2-naphthol sulfonation ndi salting out.
Chevroic acid ingagwiritsidwe ntchito popanga utoto wa asidi ndi utoto wa chakudya wachikasu.

8, asidi wa gamma
Dzina la mankhwala a asidi ya gamma: 2-amino-8-naphthol-6-sulfonic acid, njira yake yopangira ndi iyi: Mchere wa G ungapezekenso mwa kusungunuka, kusungunuka kwa alkali, kusalowerera, kuphatikizika kwa ammonia, ndi kusungunuka kwa asidi.
Asidi ya Gamma ingagwiritsidwe ntchito kupanga LN yakuda mwachindunji, GF yothamanga kwambiri, GF yothamanga kwambiri ndi zina zotero.

9. Kugwiritsa ntchito ngati gawo lolumikizira
Njira yopangira mtundu uwu wa utoto ndi kupanga choyamba gawo la diazonium kukhala mchere wa diazonium ndikuliphatikiza ndi β-naphthol. Mwachitsanzo, mphete ya aromatic ya gawo la diazonium ili ndi alkyl, halogen, nitro, alkoxy ndi magulu ena okha. Pambuyo pa reaction, pigment ya β-naphthol azo yamba imapezeka. Mwachitsanzo, mphete ya aromatic ya gawo la diazo ilinso ndi gulu la sulfonic acid, lomwe limaphatikizidwa ndi β-naphthol, kenako mchere wa alkali metal ndi alkaline earth metal ungagwiritsidwe ntchito kuisintha. Kusinthidwa kukhala utoto wosasungunuka wa nyanja.
Mitundu ya β-naphthol azo makamaka ndi yofiira ndi ya lalanje. Monga CI Pigment Red 1,3,4,6 ndi CI Pigment Orange 2,5. Mitundu yayikulu ya β-naphthol lake pigment ndi yachikasu yowala yofiira kapena yabuluu yofiira, makamaka kuphatikiza CI Pigment Red 49, CI Pigment Orange 17, ndi zina zotero.

3. Kugwiritsa ntchito mumakampani opanga mafuta onunkhira
Ma ether a 2-naphthol ali ndi fungo la maluwa a lalanje ndi maluwa a locust, okhala ndi fungo lofewa, ndipo angagwiritsidwe ntchito ngati chowonjezera pa sopo, madzi a chimbudzi ndi zinthu zina zonunkhira ndi zonunkhira zina. Kuphatikiza apo, ali ndi kutentha kwambiri komanso kusasinthasintha pang'ono, kotero kuti kusungira fungo kumakhala bwino.
Ma ether a 2-naphthol, kuphatikizapo methyl ether, ethyl ether, butyl ether ndi benzyl ether, amapezeka mwa kuchitapo kanthu kwa 2-naphthol ndi alcohols zofanana pansi pa zochita za acid catalysts, kapena 2-naphthol ndi sulfate esters zofanana kapena Zochokera ku kuchitapo kanthu kwa halogenated hydrocarbons.

4. Kugwiritsa ntchito mu zamankhwala
2-Naphthol imagwiranso ntchito zosiyanasiyana mumakampani opanga mankhwala, ndipo ingagwiritsidwe ntchito ngati zopangira mankhwala kapena zinthu zina zotsatirazi.
1. Naproxen
Naproxen ndi mankhwala oletsa kutupa, oletsa kupweteka komanso oletsa kutupa.
Njira yopangira naproxen ndi iyi: 2-naphthol imapangidwa ndi methylated ndi acetylated kuti ipange 2-methoxy-6-naphthophenone. 2-Methoxy-6-naphthalene ethyl ketone imapangidwa ndi brominated, ketalized, rearranged, hydrolyzed, ndi acidified kuti ipange naproxen.

2. Naphthol caprylate
Naphthol octanoate ingagwiritsidwe ntchito ngati reagent kuti izindikire mwachangu Salmonella. Njira yopangira naphthol octanoate imapezeka pogwiritsa ntchito octanoyl chloride ndi 2-naphthol.

3. Asidi wa Pamoic
Pamoic acid ndi mankhwala opangidwa kuchokera ku mankhwala ena, omwe amagwiritsidwa ntchito pokonzekera monga triptorelin pamoate, pyrantel pamoate, octotel pamoate ndi zina zotero.
Njira yopangira asidi ya pamoic ndi iyi: 2-naphthol imakonzekera 2,3 acid, 2,3 acid ndi formaldehyde zimachitidwa pansi pa catalysis ya asidi kuti apangitse asidi ya pamoic kuti apange asidi ya pamoic.
Zisanu, ntchito zaulimi
2-Naphthol ingagwiritsidwenso ntchito muulimi kupanga naprolamine wophera tizilombo, 2-naphthoxyacetic acid wolamulira kukula kwa zomera ndi zina zotero.

1. Naprotamine
Dzina la mankhwala a Naprolamine: 2-(2-naphthyloxy) propionyl propylamine, yomwe ndi mankhwala oyamba ophera udzu omwe ali ndi naphthyloxy omwe adapangidwa. Ali ndi ubwino wotsatira: zotsatira zabwino za udzu, kupha namsongole, chitetezo kwa anthu, ziweto ndi nyama zam'madzi, komanso nthawi yayitali yogwira ntchito. Pakadali pano, yagwiritsidwa ntchito kwambiri ku Japan, South Korea, Taiwan, Southeast Asia ndi mayiko ena ndi madera ena.
Njira yopangira naphthylamine ndi iyi: α-chloropropionyl chloride imakumana ndi aniline kupanga α-chloropropionylanilide, yomwe imapezeka mwa kusungunuka ndi 2-naphthol.

2. 2-Naphthoxyacetic acid
2-Naphthoxyacetic acid ndi mtundu watsopano wa chowongolera kukula kwa zomera, chomwe chili ndi ntchito yoletsa kugwa kwa maluwa ndi zipatso, kuwonjezera zokolola, kukonza ubwino ndi kukhwima msanga. Chimagwiritsidwa ntchito makamaka powongolera kukula kwa chinanazi, apulo, phwetekere ndi zomera zina ndikuwonjezera kuchuluka kwa zokolola.
Njira yopangira 2-naphthoxyacetic acid ndi iyi: halogenated acetic acid ndi 2-naphthol zimapangika pansi pa mikhalidwe ya alkaline, kenako zimapezeka mwa kuyika acid.

6. Kugwiritsa ntchito mumakampani opanga zinthu za polima

1, 2, 6 asidi

Dzina la mankhwala a asidi 2,6: 2-hydroxy-6-naphthoic acid, njira yake yopangira ndi iyi: 2-naphthol imagwira ntchito ndi potaziyamu hydroxide, imachepa madzi m'thupi chifukwa cha kupanikizika kochepa kuti ipeze potaziyamu 2-naphthol, kenako imagwira ntchito ndi CO2 kuti ipeze 2-naphthalene Phenol ndi 2,6 acid potaziyamu mchere, kuchotsa 2-naphthol ndi acidify kuti ipeze 2,6 acid. Pakadali pano, njira zake zopangira zimaphatikizapo njira yolimba komanso njira yosungunulira, ndipo njira yosungunulira yomwe ilipo ndi njira yayikulu yopitira patsogolo.
Asidi 2,6 ndi chinthu chofunikira kwambiri chachilengedwe chomwe chimagwiritsidwa ntchito popanga mapulasitiki, utoto wachilengedwe, zinthu zamakristalo amadzimadzi, komanso mankhwala, makamaka ngati monomer ya zinthu zopangidwa zomwe sizimatentha kwambiri. Ma polima olimbana ndi kutentha kwambiri omwe amapangidwa ndi asidi 2,6 amagwiritsidwa ntchito kwambiri mumakampani opanga zinthu zamakristalo amadzimadzi.
Suzhou Lintong Dyestuff Chemical Co., Ltd. yapanga polymer-grade 2,6 acid kutengera ukadaulo wa 2,3 acid, ndipo kutulutsa kwake kwakula pang'onopang'ono. Pakadali pano, 2,6 acid yakhala imodzi mwa zinthu zazikulu za kampaniyo.

2. 2-Naphthylthiol

2-Naphthylthiol ingagwiritsidwe ntchito ngati pulasitiki popukuta mphira mu mphero yotseguka, zomwe zingathandize kuti mphira ugwire bwino ntchito, kuchepetsa nthawi yopukuta, kusunga magetsi, kuchepetsa kuchira kwa elasticity, komanso kuchepetsa kuchepa kwa mphira. Ingagwiritsidwenso ntchito ngati choyambitsa kukonzanso komanso choteteza ku mabakiteriya.
Njira yopangira 2-naphthylthiol ndi iyi: 2-naphthol imayankhidwa ndi dimethylaminothioformyl chloride, kenako imatenthedwa ndi kupezeka ndi acidic hydrolysis.

3. Mphira woletsa kutupa

3.1 Woletsa kukalamba D
Woletsa kukalamba D, yemwe amadziwikanso kuti woletsa kukalamba D, dzina la mankhwala: N-phenyl-2-naphthylamine. Choletsa kukalamba chomwe chimagwiritsidwa ntchito popanga mphira wachilengedwe ndi mphira wopangidwa, chomwe chimagwiritsidwa ntchito popanga zinthu zamafakitale monga matayala, matepi, ndi nsapato za rabara.
Njira yopangira antioxidant D ndi: 2-naphthol pressurized ammonolysis kuti ipeze 2-naphthylamine, yomwe imapezeka mwa kusungunuka ndi benzene ya halogenated.

3.2. DNP yoletsa kukalamba
Mankhwala oletsa ukalamba DNP, dzina la mankhwala: N, N-(β-naphthyl) p-phenylenediamine, ndi mankhwala oletsa ukalamba omwe amathetsa unyolo komanso mankhwala oletsa ukalamba achitsulo. Amagwiritsidwa ntchito makamaka ngati mankhwala oletsa ukalamba pa zingwe za matayala a nayiloni ndi nayiloni, ma rabara oteteza waya ndi chingwe omwe amakhudza cores zamkuwa, ndi zinthu zina za rabala.
Njira yopangira DNP yotsutsana ndi ukalamba ndi iyi: p-phenylenediamine ndi tebulo lotenthetsera ndi kuchepera kwa 2-naphthol

4. Phenolic ndi epoxy resin
Ma resini a phenolic ndi epoxy ndi zinthu zomwe zimagwiritsidwa ntchito kwambiri paukadaulo mumakampani. Kafukufuku wasonyeza kuti ma resini a phenolic ndi epoxy omwe amapezeka posintha kapena kusintha pang'ono phenol ndi 2-naphthol ali ndi kukana kutentha kwambiri komanso kukana madzi.