2-Naphthol, yomwe imadziwikanso kuti β-naphthol, acetonaphthol kapena 2-hydroxynaphthalene, ndi ma flakes oyera owala kapena ufa woyera. Kachulukidwe ndi 1.28g/cm3. Malo osungunuka ndi 123℃ 124 ℃, malo otentha ndi 285℃ 286 ℃, ndipo flash point ndi 161 ℃. Ndi yoyaka, ndipo mtundu udzakhala mdima pambuyo kusungidwa kwa nthawi yaitali. Sublimation ndi Kutentha, fungo lamphamvu. Insoluble m'madzi, sungunuka mu organic solvents ndi alkaline solutions.

2. Kugwiritsa ntchito pamakampani opanga utoto ndi utoto
Zopaka utoto ndi ma pigment intermediates ndiye malo omwe amagwiritsidwa ntchito kwambiri ndi 2-naphthol mdziko langa. Chifukwa chofunikira ndichakuti kupanga zopangira utoto zasamutsidwa padziko lonse lapansi, monga 2, 3 acid, J acid, gamma acid, R acid, chromophenol AS. theka la ndalama zonse zapakhomo. Kuphatikiza pa kaphatikizidwe ka utoto ndi ma pigment intermediates, 2-naphthol itha kugwiritsidwanso ntchito ngati gawo la azo kuti achite ndi mankhwala a diazonium pokonzekera utoto.

1, 2, 3 asidi
2,3 asidi mankhwala dzina: 2-hydroxy-3-naphthoic asidi, kaphatikizidwe njira yake ndi: 2-naphthol amachitira ndi sodium hydroxide, kutaya madzi m'thupi pansi pa kupanikizika kuchepetsa kupeza sodium 2-naphtholate, ndiyeno amachita ndi CO2 kupeza 2-naphthalene. Phenol ndi 2,3 sodium mchere, kuchotsa 2-naphthol ndi acidify kupeza 2,3 asidi. Pakalipano, njira zake zophatikizira makamaka zimaphatikizapo njira yolimba-gawo ndi njira yosungunulira, ndipo njira yamakono yosungunulira ndiyo njira yaikulu yachitukuko.
Nyanja inki ndi 2,3 zidulo monga kugwirizana zigawo zikuluzikulu. Kaphatikizidwe ka mtundu uwu wa inki ndikuyamba kupanga zigawo za diazonium kukhala mchere wa diazonium, okwatirana ndi 2,3 zidulo, ndiyeno gwiritsani ntchito zitsulo zamchere ndi zamchere zamchere zamchere zamchere kuti ziphatikize Zimasinthidwa kukhala utoto wanyanja wosasungunuka. Mtundu waukulu wa 2,3 acid lake pigment ndi kuwala kofiyira. Monga: CI Pigment Red 57: 1, CI Pigment Red 48: 1 ndi zina zotero.
2,3 acids amagwiritsidwa ntchito kwambiri popanga utoto wa ayezi wa naphthol. Mu 1992 "Dyestuff Index", pali ma naphthas 28 opangidwa ndi 2,3 acid.
Naphthol AS mndandanda ndi azo inki yokhala ndi zida zolumikizirana. Kaphatikizidwe ka mtundu uwu wa pigment ndikuyamba kupanga zigawo za diazonium kukhala mchere wa diazonium ndikuziphatikiza ndi zotumphukira za naphthol AS, monga mphete yonunkhira ya gawo la diazonium. Muli alkyl okha, halogen, nitro, alkoxy ndi magulu ena, ndiye pambuyo anachita, wamba naphthol AS mndandanda ndi lumikiza chigawo chimodzi cha azo pigment, monga mphete onunkhira wa diazo chigawo lilinso gulu sulfonic asidi , Kulumikizana ndi Naphthol AS zotumphukira zotumphukira, ndiyeno kugwiritsa ntchito zitsulo zamchere ndi zamchere zamchere zamchere zamchere kuti zisinthe kukhala utoto wosasungunuka wa nyanja.
Suzhou Lintong Dyestuff Chemical Co., Ltd. idayamba kupanga asidi 2,3 m'ma 1980. Pambuyo pazaka zachitukuko, yakhala wopanga wamkulu wapakhomo komanso wodziwika padziko lonse lapansi wa 2,3 acid.

2. Tobias asidi
Dzina la mankhwala a Tobias: 2-aminonaphthalene-1-sulfonic acid. The kaphatikizidwe njira ndi motere: 2-naphthol sulfonation kupeza 2-naphthol-1-sulfonic acid, ndi ammoniation kupeza 2-naphthylamine-1-sodium sulfonate, ndi mpweya mpweya kupeza Tobic asidi. The sulfonated Tobic acid ndi sulfonated kupeza sulfonated Tobic acid (2-naphthylamine-1,5-disulfonic acid).
Tobias acid ndi zotumphukira zake zitha kugwiritsidwa ntchito kupanga utoto monga Chromol AS-SW, Reactive Red K1613, Lithol Scarlet, Reactive Brilliant Red K10B, Reactive Brilliant Red K10B, Reactive Brilliant KE-7B, ndi ma pigments monga Organic Violet Red.

3. J asidi
Dzina mankhwala a asidi J: 2-amino-5-naphthol-7-sulfonic asidi, kaphatikizidwe ake njira ndi: asidi Toubic ndi sulfonated pa kutentha otsika ndi kutentha, hydrolyzed ndi mchere mu acidic sing'anga kupeza 2-naphthylamine-5,72 Sulfonic acid, kenako neutralization, alkali fusion, acidification kupeza J asidi. J asidi amakhudzidwa kuti apeze zotumphukira za J acid monga N-aryl J acid, bis J acid, ndi scarlet acid.
J acid ndi zotumphukira zake zimatha kupanga utoto wosiyanasiyana wa acidic kapena wachindunji, utoto wokhazikika komanso wokhazikika, monga: Acid Violet 2R, Weak Acid Purple PL, Direct Pinki, Direct Pink Purple NGB, etc.

4. G mchere
Dzina la mankhwala amchere a G: 2-naphthol-6,8-disulfonic acid dipotassium mchere. Njira yake yophatikizira ndi: 2-naphthol sulfonation ndi salting. Mchere wa G umathanso kusungunuka, kusakanizidwa ndi alkali, kusalowerera ndale, ndi kuthiridwa mchere kuti mupeze mchere wa dihydroxy G.
G mchere ndi zotumphukira zake angagwiritsidwe ntchito kupanga asidi utoto intermediates, monga asidi lalanje G, asidi wofiira GR, ofooka asidi wofiira FG, etc.

5. R mchere
R mchere mankhwala dzina: 2-naphthol-3,6-disulfonic asidi disodium mchere, kaphatikizidwe njira yake ndi: 2-naphthol sulfonation, salting kunja. Mchere wa G umathanso kusungunuka, kusakanizidwa ndi alkali, kusalowerera ndale, ndi kuthiridwa mchere kuti mupeze mchere wa dihydroxy R.
R mchere ndi zotumphukira zimatha kupangidwa: Direct Light Fast Blue 2RLL, Reactive Red KN-5B, Reactive Red Violet KN-2R, etc.

6, 1, 2, 4 asidi
1,2,4 asidi mankhwala dzina: 1-amino-2-naphthol-4-sulfonic asidi, kaphatikizidwe njira ndi: 2-naphthol ndi kusungunuka mu sodium hydroxide, nitrosated ndi sodium nitrite, ndiyeno wothira owonjezera sodium sulfite Reaction, ndipo potsiriza acidification ndi kudzipatula kupeza mankhwala. 1,2,4 asidi diazotization kupeza 1,2,4 asidi okusayidi thupi.
1,2,4 zidulo ndi zotumphukira angagwiritsidwe ntchito: asidi mordant wakuda T, asidi mordant wakuda R, etc.

7. Chevron asidi
Dzina mankhwala Chevroic asidi: 2-naphthol-6-sulfonic asidi, ndi kaphatikizidwe njira yake ndi: 2-naphthol sulfonation ndi salting kunja.
Chevroic acid angagwiritsidwe ntchito kupanga utoto wa asidi ndi utoto wa chakudya kuti dzuwa lilowe chikasu.

8, asidi gamma
Dzina la mankhwala a Gamma acid: 2-amino-8-naphthol-6-sulfonic acid, njira yake yophatikizira ndi: Mchere wa G ukhozanso kupezeka mwa kusungunuka, kusungunuka kwa alkali, neutralization, ammoniating, ndi mpweya wa asidi.
Asidi a Gamma angagwiritsidwe ntchito kupanga LN yakuda mwachindunji, kuwongolera mwachangu tan GF, phulusa lolunjika la GF ndi zina zotero.

9. Kugwiritsa ntchito ngati gawo lolumikizira
Kaphatikizidwe ka mtundu uwu wa pigment ndikuyamba kupanga gawo la diazonium kukhala mchere wa diazonium ndikuliphatikiza ndi β-naphthol. Mwachitsanzo, mphete yonunkhira ya gawo la diazonium ili ndi alkili, halogen, nitro, alkoxy ndi magulu ena okha. Pambuyo pakuchita, mtundu wamba wa β-naphthol azo pigment umapezeka. Mwachitsanzo, mphete yonunkhira ya gawo la diazo ilinso ndi gulu la sulfonic acid, lomwe limaphatikizidwa ndi β-naphthol, ndiyeno chitsulo cha alkali ndi mchere wamchere wamchere wa chitsulo chapadziko lapansi ungagwiritsidwe ntchito kusinthira Kusinthidwa kukhala utoto wanyanja wosasungunuka.
Mitundu ya β-naphthol azo imakhala yofiira komanso yalalanje. Monga CI Pigment Red 1,3,4,6 ndi CI Pigment Orange 2,5. Mtundu waukulu wa β-naphthol lake pigment ndi wachikasu kuwala kofiira kapena buluu wofiira, makamaka CI Pigment Red 49, CI Pigment Orange 17, etc.

3. Kugwiritsa ntchito mafuta onunkhira
Ma ether a 2-naphthol ali ndi fungo la duwa la lalanje ndi duwa la dzombe, lokhala ndi fungo lochepetsetsa, ndipo angagwiritsidwe ntchito ngati chokonzera sopo, madzi akuchimbudzi ndi zinthu zina ndi zonunkhira zina. Komanso, ali ndi malo otentha kwambiri komanso osasunthika pang'ono, kotero kuti kusungirako kununkhira kumakhala bwino.
Ma ethers a 2-naphthol, kuphatikiza methyl ether, ethyl ether, butyl ether ndi benzyl ether, amatha kupezeka ndi zomwe 2-naphthol ndi ma alcohols ofanana pansi pa zochita za acid catalysts, kapena 2-naphthol ndi ofanana sulfate esters kapena Derived. kuchokera ku zomwe halogenated hydrocarbons.

4. Kugwiritsa ntchito mankhwala
2-Naphthol imakhalanso ndi ntchito zambiri m'makampani opanga mankhwala, ndipo ingagwiritsidwe ntchito ngati zopangira mankhwala otsatirawa kapena apakatikati.
1. Naproxen
Naproxen ndi antipyretic, analgesic ndi anti-yotupa mankhwala.
Njira yophatikizira ya naproxen ndi iyi: 2-naphthol ndi methylated ndi acetylated kuti ipeze 2-methoxy-6-naphthophenone. 2-Methoxy-6-naphthalene ethyl ketone ndi brominated, ketalized, rearranged, hydrolyzed, ndi acidified kuti apeze naproxen.

2. Naphthol caprylate
Naphthol octanoate ingagwiritsidwe ntchito ngati reagent pozindikira msanga Salmonella. The kaphatikizidwe njira ya naphthol octanoate analandira ndi zimene octanoyl kolorayidi ndi 2-naphthol.

3. Pamoic acid
Pamoic asidi ndi mtundu wa mankhwala wapakatikati, ntchito kukonzekera monga triptorelin pamoate, pyrantel pamoate, octotel pamoate ndi zina zotero.
Kaphatikizidwe ka pamoic acid ndi motere: 2-naphthol imakonzekera 2,3 acid, 2,3 acid ndi formaldehyde zimachitidwa pansi pa catalysis ya asidi kuti condense pamoic acid kuti apeze pamoic acid.
Chachisanu, ntchito zaulimi
2-Naphthol itha kugwiritsidwanso ntchito paulimi kupanga herbicide naprolamine, plant growth regulator 2-naphthoxyacetic acid ndi zina zotero.

1. Naprotamine
Dzina la mankhwala a Naprolamine: 2-(2-naphthyloxy) propionyl propylamine, yomwe ndi mankhwala ophera tizilombo toyambitsa matenda amtundu woyamba okhala ndi naphthyloxy kupangidwa. Lili ndi maubwino otsatirawa: Kupalira kwabwino, kupha udzu wochuluka, chitetezo kwa anthu, ziweto ndi nyama zam'madzi, komanso nthawi yayitali. Pakalipano, amagwiritsidwa ntchito kwambiri ku Japan, South Korea, Taiwan, Southeast Asia ndi mayiko ena ndi zigawo.
Njira yophatikizira ya naphthylamine ndi: α-chloropropionyl chloride imakhudzidwa ndi aniline kupanga α-chloropropionylanilide, yomwe imapezedwa ndi condensation ndi 2-naphthol.

2. 2-Naphthoxyacetic acid
2-Naphthoxyacetic acid ndi mtundu watsopano wowongolera kukula kwa mbewu, womwe uli ndi ntchito zoletsa kugwa kwa maluwa ndi zipatso, kuchulukitsa zokolola, kuwongolera bwino komanso kukhwima msanga. Amagwiritsidwa ntchito makamaka powongolera kukula kwa chinanazi, apulo, phwetekere ndi mbewu zina ndikuwonjezera zokolola.
Njira yophatikizira ya 2-naphthoxyacetic acid ndi: halogenated acetic acid ndi 2-naphthol imafupikitsidwa pansi pamikhalidwe yamchere, kenako imapezedwa ndi acidification.

6. Kugwiritsa ntchito makampani opanga zinthu za polima

1, 2, 6 asidi

2,6 asidi mankhwala dzina: 2-hydroxy-6-naphthoic asidi, kaphatikizidwe njira yake ndi: 2-naphthol amachitira ndi potaziyamu hydroxide, opanda madzi m'thupi pansi pa kupanikizika kuchepetsa kupeza potaziyamu 2-naphthol, ndiyeno amachita ndi CO2 kupeza 2-naphthalene. Phenol ndi 2,6 asidi potaziyamu mchere, kuchotsa 2-naphthol ndi acidify kupeza 2,6 asidi. Pakalipano, njira zake zophatikizira makamaka zimaphatikizapo njira yolimba-gawo ndi njira yosungunulira, ndipo njira yamakono yosungunulira ndiyo njira yaikulu yachitukuko.
2,6 asidi ndi yofunika organic wapakatikati kwa mapulasitiki uinjiniya, inki organic, zipangizo madzi krustalo, ndi mankhwala, makamaka monomer kwa kutentha zosagwira zipangizo kupanga. Ma polima osamva kutentha kwambiri opangidwa ndi 2,6 acid monga zida zopangira amagwiritsidwa ntchito kwambiri pamakampani amadzimadzi a crystal material.
Suzhou Lintong Dyestuff Chemical Co., Ltd. yapanga polymer-grade 2,6 acid kutengera ukadaulo wa 2,3 acid, ndipo zotulutsa zake zakula pang'onopang'ono. Pakadali pano, 2,6 acid yakhala imodzi mwazinthu zazikulu zamakampani.

2. 2-Naphthylthiol

2-Naphthylthiol ingagwiritsidwe ntchito ngati pulasitiki pamene ikuwombera mphira mu mphero yotseguka, yomwe ingapangitse zotsatira za mastication, kuchepetsa nthawi ya mastication, kupulumutsa magetsi, kuchepetsa kuchira kwa elastic, ndi kuchepetsa kuchepa kwa mphira. Itha kugwiritsidwanso ntchito ngati intersecting regeneration activator ndi antioxidant.
Njira yophatikizira ya 2-naphthylthiol ndi iyi: 2-naphthol imachitidwa ndi dimethylaminothioformyl chloride, kenako imatenthedwa ndikupezedwa ndi acidic hydrolysis.

3. Mpira antioxidant

3.1 Wothandizira kukalamba D
Anti-aging agent D, yemwenso amadziwika kuti anti-aging agent D, dzina la mankhwala: N-phenyl-2-naphthylamine. Antioxidant wamba wa mphira wachilengedwe ndi mphira wopangira, womwe umagwiritsidwa ntchito popanga zinthu zamafakitale monga matayala, matepi, ndi nsapato za rabara.
Kaphatikizidwe ka antioxidant D ndi: 2-naphthol pressurized ammonolysis kupeza 2-naphthylamine, yomwe imapezedwa ndi condensation ndi halogenated benzene.

3.2. Anti-aging agent DNP
Anti-aging agent DNP, dzina la mankhwala: N, N-(β-naphthyl) p-phenylenediamine, ndi njira yopuma yomwe imathetsa anti-aging agent ndi metal complexing agent. Amagwiritsidwa ntchito kwambiri ngati anti-kukalamba zingwe za matayala a nayiloni ndi nayiloni, mawaya ndi mphira zotchingira chingwe zomwe zimalumikizana ndi zida zamkuwa, ndi zinthu zina zalabala.
Njira yophatikizira ya anti-aging agent DNP ndi: p-phenylenediamine ndi 2-naphthol kutentha ndi kutsika tebulo.

4. Phenolic ndi epoxy resin
Phenolic ndi epoxy resins ndi zida zaukadaulo zomwe zimagwiritsidwa ntchito kwambiri pamakampani. Kafukufuku wasonyeza kuti ma phenolic ndi epoxy resins omwe amapezeka mwa kusintha kapena kusintha pang'ono phenol ndi 2-naphthol amakhala ndi kutentha kwakukulu komanso kukana madzi.