2-Naphthol, tseem hu ua β-naphthol, acetonaphthol los yog 2-hydroxynaphthalene, yog dawb ci flakes los yog hmoov dawb. Qhov ceev yog 1.28g / cm3. Cov ntsiab lus melting yog 123 ~ 124 ℃, qhov kub ntawm qhov kub yog 285 ~ 286 ℃, thiab lub teeb nyem yog 161 ℃. Nws yog flammable, thiab xim yuav tsaus dua tom qab khaws cia ntev. Sublimation los ntawm cua sov, pungent tsw. Insoluble hauv dej, soluble hauv organic solvents thiab alkaline daws.
2. Daim ntawv thov hauv kev lag luam dye thiab pigment
Dyestuffs thiab pigment intermediates yog thaj chaw noj ntau tshaj plaws ntawm 2-naphthol hauv kuv lub tebchaws. Qhov laj thawj tseem ceeb yog tias kev tsim cov dye intermediates tau raug xa mus thoob ntiaj teb, xws li 2, 3 acid, J acid, gamma acid, R acid, chromophenol AS Cov no yog kuv lub teb chaws cov khoom lag luam tseem ceeb nruab nrab, thiab cov khoom ntim export rau ntau tshaj. ib nrab ntawm tag nrho cov khoom tsim tawm hauv tsev. Ntxiv nrog rau kev sib xyaw ntawm cov dyes thiab pigment intermediates, 2-naphthol kuj tseem siv tau los ua azo moiety los teb nrog diazonium tebchaw los npaj dyes.
1, 2, 3 acid
2,3 acid tshuaj lub npe: 2-hydroxy-3-naphthoic acid, nws cov txheej txheem synthesis yog: 2-naphthol reacts nrog sodium hydroxide, lub cev qhuav dej nyob rau hauv lub siab txo kom tau sodium 2-naphtholate, thiab ces react nrog CO2 kom tau 2-naphthalene. Phenol thiab 2,3 sodium ntsev, tshem tawm 2-naphthol thiab acidify kom tau 2,3 acid. Tam sim no, nws cov txheej txheem synthesis feem ntau suav nrog cov txheej txheem txheej txheej thiab cov txheej txheem hnyav, thiab cov txheej txheem hnyav tam sim no yog qhov kev txhim kho loj.
Pas dej pigments nrog 2,3 acids li coupling Cheebtsam. Cov txheej txheem synthesis ntawm cov xim no yog thawj zaug ua diazonium Cheebtsam rau hauv diazonium ntsev, ob peb nrog 2,3 acids, thiab tom qab ntawd siv alkali hlau thiab alkaline ntiaj teb hlau ntsev los ua ke Nws tau hloov dua siab tshiab rau hauv dej tsis sib haum. Lub ntsiab xim spectrum ntawm 2,3 acid pas dej pigment yog lub teeb liab. Xws li: CI Pigment Liab 57: 1, CI Pigment Liab 48: 1 thiab lwm yam.
2,3 acids yog dav siv nyob rau hauv lub synthesis ntawm naphthol series ice dyes. Nyob rau hauv 1992 "Dyestuff Index", muaj 28 naphthas synthesized nrog 2,3 acids.
Naphthol AS series yog azo pigments nrog cov khoom sib txuas. Cov txheej txheem synthesis ntawm hom xim no yog thawj zaug ua cov khoom diazonium rau hauv diazonium ntsev thiab ua ke nrog naphthol AS series derivatives, xws li ntawm lub nplhaib aromatic ntawm diazonium tivthaiv. Muaj tsuas yog alkyl, halogen, nitro, alkoxy thiab lwm pab pawg, tom qab ntawd tom qab cov tshuaj tiv thaiv, cov tshuaj naphthol AS series yog cov khoom sib txuas ntawm cov xim azo, xws li lub nplhaib aromatic ntawm diazo tivthaiv kuj muaj sulfonic acid pawg, Coupling nrog Naphthol AS series derivatives, thiab tom qab ntawd siv alkali hlau thiab alkaline ntiaj teb hlau ntsev los hloov nws mus rau hauv lub pas dej insoluble dyes.
Suzhou Lintong Dyestuff Chemical Co., Ltd. pib tsim 2,3 acid nyob rau hauv 1980s. Tom qab xyoo ntawm txoj kev loj hlob, nws tau dhau los ua qhov loj tshaj plaws hauv tsev thiab thoob ntiaj teb renowned chaw tsim tshuaj paus ntawm 2,3 acid.
2. Tobias acid
Tobias acid tshuaj npe: 2-aminonaphthalene-1-sulfonic acid. Cov txheej txheem synthesis yog raws li nram no: 2-naphthol sulfonation kom tau 2-naphthol-1-sulfonic acid, ammonia kom tau 2-naphthylamine-1-sodium sulfonate, thiab kua qaub los nag kom tau Tobic acid. Cov sulfonated Tobic acid yog sulfonated kom tau txais sulfonated Tobic acid (2-naphthylamine-1,5-disulfonic acid).
Tobias acid thiab nws cov derivatives tuaj yeem siv los tsim cov xim xws li Chromol AS-SW, Reactive Red K1613, Lithol Scarlet, Reactive Brilliant Red K10B, Reactive Brilliant Red K10B, Reactive Brilliant KE-7B, thiab cov xim xws li Organic Violet Liab.
3. J acid
Cov tshuaj npe ntawm J acid: 2-Amino-5-naphthol-7-sulfonic acid, nws cov txheej txheem synthesis yog: Toubic acid sulfonated ntawm qhov kub thiab txias, hydrolyzed thiab salted tawm hauv acidic nruab nrab kom tau 2-naphthylamine-5,72 Sulfonic acid, ces neutralization, alkali fusion, acidification kom tau J acid. J acid reacts kom tau J acid derivatives xws li N-aryl J acid, bis J acid, thiab scarlet acid.
J acid thiab nws cov derivatives tuaj yeem tsim ntau yam acidic lossis ncaj dyes, reactive thiab reactive dyes, xws li: Acid Violet 2R, Weak Acid Purple PL, Direct Pink, Direct Pink Purple NGB, thiab lwm yam.
4. G ntsev
G ntsev lub npe: 2-naphthol-6,8-disulfonic acid dipotassium ntsev. Nws cov txheej txheem synthesis yog: 2-naphthol sulfonation thiab salting tawm. G ntsev kuj tuaj yeem yaj, alkali fused, neutralized, thiab ntsev tawm kom tau dihydroxy G ntsev.
G ntsev thiab nws cov derivatives tuaj yeem siv los tsim cov kua qaub dye intermediates, xws li kua qaub txiv kab ntxwv G, kua qaub caws pliav GR, qaug zog acid scarlet FG, thiab lwm yam.
5.R ntsev
R ntsev tshuaj lub npe: 2-naphthol-3,6-disulfonic acid disodium ntsev, nws cov txheej txheem synthesis yog: 2-naphthol sulfonation, salting tawm. G ntsev kuj tuaj yeem yaj, alkali fused, neutralized, thiab ntsev kom tau dihydroxy R ntsev.
R ntsev thiab derivatives tuaj yeem tsim tau: Direct Light Fast Blue 2RLL, Reactive Red KN-5B, Reactive Red Violet KN-2R, thiab lwm yam.
6, 1, 2, 4 acid
1,2,4 acid tshuaj lub npe: 1-amino-2-naphthol-4-sulfonic acid, nws cov txheej txheem synthesis yog: 2-naphthol yog yaj hauv sodium hydroxide, nitrosated nrog sodium nitrite, thiab tom qab ntawd tov nrog ntau tshaj sodium sulfite Cov tshuaj tiv thaiv, thiab thaum kawg acidification thiab cais kom tau cov khoom. 1,2,4 acid diazotization kom tau 1,2,4 acid oxide lub cev.
1,2,4 acids thiab derivatives yuav siv tau rau: acid mordant dub T, acid mordant dub R, thiab lwm yam.
7. Chevron acid
Lub npe tshuaj Chevroic acid: 2-naphthol-6-sulfonic acid, thiab nws cov txheej txheem synthesis yog: 2-naphthol sulfonation thiab salting tawm.
Chevroic acid tuaj yeem siv los ua cov kua qaub dyes thiab zaub mov xim hnub poob daj.
8, gamma iab
Gamma acid tshuaj lub npe: 2-amino-8-naphthol-6-sulfonic acid, nws cov txheej txheem synthesis yog: G ntsev kuj tau los ntawm melting, alkali melting, neutralization, ammoniating, thiab kua qaub los nag.
Gamma acid tuaj yeem siv los ua kom ncaj qha dub LN, ncaj qha ceev ceev GF, ncaj qha tshauv ceev GF thiab lwm yam.
9. Daim ntawv thov raws li kev sib txuas
Cov txheej txheem synthesis ntawm cov xim no yog thawj zaug ua cov diazonium tivthaiv rau hauv diazonium ntsev thiab ua ke nrog β-naphthol. Piv txwv li, lub nplhaib aromatic ntawm diazonium tivthaiv tsuas muaj alkyl, halogen, nitro, alkoxy thiab lwm pab pawg. Tom qab cov tshuaj tiv thaiv, qhov zoo tib yam β-naphthol azo pigment tau txais. Piv txwv li, lub nplhaib aromatic ntawm lub diazo tivthaiv kuj muaj ib pab pawg neeg sulfonic acid, uas yog ua ke nrog β-naphthol, thiab ces cov alkali hlau thiab alkaline ntiaj teb hlau ntsev yuav siv tau los hloov nws mus rau hauv insoluble pas dej dyes.
β-naphthol azo pigments yog cov xim liab thiab txiv kab ntxwv. Xws li CI Pigment Liab 1,3,4,6 thiab CI Pigment Txiv kab ntxwv 2,5. Lub ntsiab xim spectrum ntawm β-naphthol lake pigment yog daj lub teeb liab lossis xiav liab, feem ntau suav nrog CI Pigment Liab 49, CI Pigment Txiv kab ntxwv 17, thiab lwm yam.
3. Daim ntawv thov hauv kev lag luam naj hoom
Cov ethers ntawm 2-naphthol muaj cov ntxhiab tsw ntawm txiv kab ntxwv paj thiab locust blossom, nrog ib tug softer tsw, thiab yuav siv tau raws li ib tug fixative rau xab npum, dej tso quav thiab lwm yam essences thiab ib co txuj lom. Ntxiv mus, lawv muaj qhov kub siab dua thiab qis dua, yog li cov tshuaj tsw qab khaws cia zoo dua.
Cov ethers ntawm 2-naphthol, suav nrog methyl ether, ethyl ether, butyl ether thiab benzyl ether, tuaj yeem tau los ntawm cov tshuaj tiv thaiv ntawm 2-naphthol thiab cov cawv sib xws nyob rau hauv kev ua ntawm acid catalysts, los yog 2-naphthol thiab coj sulfate esters los yog Derived. los ntawm cov tshuaj tiv thaiv ntawm halogenated hydrocarbons.
4. Daim ntawv thov hauv tshuaj
2-Naphthol kuj muaj ntau yam kev siv hauv kev lag luam tshuaj, thiab tuaj yeem siv los ua cov khoom siv raw rau cov tshuaj hauv qab no lossis cov khoom nruab nrab.
1. Naproxen
Naproxen yog ib qho tshuaj antipyretic, analgesic thiab anti-inflammatory tshuaj.
Cov txheej txheem synthesis ntawm naproxen yog raws li nram no: 2-naphthol yog methylated thiab acetylated kom tau 2-methoxy-6-naphthophenone. 2-Methoxy-6-naphthalene ethyl ketone yog brominated, ketalized, rearranged, hydrolyzed, thiab acidified kom tau naproxen.
2. Naphthol caprylate
Naphthol octanoate tuaj yeem siv los ua cov tshuaj tiv thaiv sai sai ntawm Salmonella. Cov txheej txheem synthesis ntawm naphthol octanoate yog tau los ntawm cov tshuaj tiv thaiv ntawm octanoyl chloride thiab 2-naphthol.
3. Pamoic acid
Pamoic acid yog ib hom tshuaj nruab nrab, siv los npaj xws li triptorelin pamoate, pyrantel pamoate, octotel pamoate thiab lwm yam.
Cov txheej txheem synthesis ntawm pamoic acid yog raws li nram no: 2-naphthol npaj 2,3 acid, 2,3 acid thiab formaldehyde reacted nyob rau hauv lub catalysis ntawm acid kom condense pamoic acid kom tau pamoic acid.
Tsib, kev siv ua liaj ua teb
2-Naphthol kuj tuaj yeem siv rau hauv kev ua liaj ua teb los tsim tshuaj tua kab mob naprolamine, cog kev loj hlob regulator 2-naphthoxyacetic acid thiab lwm yam.
1. Naprotamine
Naprolamine tshuaj lub npe: 2-(2-naphthyloxy) propionyl propylamine, uas yog thawj cov nroj tsuag tshuaj tshuaj tua kab uas muaj naphthyloxy los tsim. Nws muaj cov txiaj ntsig zoo hauv qab no: cov txiaj ntsig zoo nroj tsuag, dav dav-tua spectrum, kev nyab xeeb rau tib neeg, tsiaj txhu thiab cov tsiaj hauv dej, thiab lub sijhawm siv tau ntev. Tam sim no, nws tau siv dav hauv Nyiv, Kaus Lim Qab Teb, Taiwan, Southeast Asia thiab lwm lub tebchaws thiab cheeb tsam.
Cov txheej txheem synthesis ntawm naphthylamine yog: α-chloropropionyl chloride reacts nrog aniline los ua α-chloropropionylanilide, uas yog ces tau los ntawm condensation nrog 2-naphthol.
2. 2-Naphthoxyacetic acid
2-Naphthoxyacetic acid yog ib hom tshiab ntawm cov nroj tsuag kev loj hlob regulator, uas muaj lub luag hauj lwm ntawm kev tiv thaiv paj thiab txiv hmab txiv ntoo poob, nce yield, txhim kho zoo thiab ntxov ntxov laus. Nws yog tsuas yog siv los tswj kev loj hlob ntawm pineapple, kua, txiv lws suav thiab lwm yam nroj tsuag thiab nce tus nqi tawm los.
Cov txheej txheem synthesis ntawm 2-naphthoxyacetic acid yog: halogenated acetic acid thiab 2-naphthol yog condensed nyob rau hauv alkaline tej yam kev mob, thiab ces tau los ntawm acidification.
6. Daim ntawv thov hauv kev lag luam khoom siv polymer
1, 2, 6 acid
2,6 acid tshuaj lub npe: 2-hydroxy-6-naphthoic acid, nws cov txheej txheem synthesis yog: 2-naphthol reacts nrog poov tshuaj hydroxide, lub cev qhuav dej nyob rau hauv lub siab txo kom tau poov tshuaj 2-naphthol, thiab ces reacts nrog CO2 kom tau 2-naphthalene. Phenol thiab 2,6 acid potassium ntsev, tshem tawm 2-naphthol thiab acidify kom tau 2,6 acid. Tam sim no, nws cov txheej txheem synthesis feem ntau suav nrog cov txheej txheem txheej txheej thiab cov txheej txheem hnyav, thiab cov txheej txheem hnyav tam sim no yog qhov kev txhim kho loj.
2,6 acid yog ib qho tseem ceeb organic intermediate rau engineering plastics, organic pigments, kua siv lead ua cov ntaub ntawv, thiab tshuaj, tshwj xeeb tshaj yog raws li ib tug monomer rau kub-resistant khoom hluavtaws. High kub resistant polymers ua nrog 2,6 acid raws li raw cov ntaub ntawv yog dav siv nyob rau hauv cov kua siv lead ua khoom lag luam.
Suzhou Lintong Dyestuff Chemical Co., Ltd. tau tsim cov polymer-qib 2,6 acid raws li cov cuab yeej technology ntawm 2,3 acid, thiab nws cov zis tau maj mam nthuav. Tam sim no, 2,6 acid tau dhau los ua ib lub tuam txhab cov khoom tseem ceeb.
2. 2-Naphthylthiol
2-Naphthylthiol tuaj yeem siv los ua cov yas yas thaum masticating roj hmab hauv lub zeb qhib, uas tuaj yeem txhim kho cov nyhuv ntawm mastication, txo lub sij hawm mastication, txuag hluav taws xob, txo elastic rov qab, thiab txo cov roj hmab shrinkage. Nws kuj tseem siv tau los ua kev sib tshuam rov tsim dua tshiab activator thiab antioxidant.
Cov txheej txheem synthesis ntawm 2-naphthylthiol yog raws li nram no: 2-naphthol yog reacted nrog dimethylaminothioformyl chloride, ces rhuab thiab tau los ntawm acidic hydrolysis.
3. Roj hmab antioxidant
3.1 Anti-aging agent D
Anti-aging agent D, tseem hu ua anti-aging agent D, tshuaj lub npe: N-phenyl-2-naphthylamine. Lub hom phiaj dav dav antioxidant rau cov roj hmab ntuj thiab hluavtaws roj hmab, siv hauv kev tsim cov khoom lag luam xws li log tsheb, tapes, thiab khau roj hmab.
Cov txheej txheem synthesis ntawm antioxidant D yog: 2-naphthol pressurized ammonolysis kom tau 2-naphthylamine, uas yog ces tau los ntawm condensation nrog halogenated benzene.
3.2. Anti-aging agent DNP
Anti-aging tus neeg saib xyuas DNP, tshuaj lub npe: N, N-(β-naphthyl) p-phenylenediamine, yog cov saw tawg terminating yam anti-aging tus neeg saib xyuas thiab hlau complexing tus neeg saib xyuas. Nws yog tsuas yog siv los tiv thaiv kev laus rau cov nylon thiab nylon log cords, hlau thiab cable rwb thaiv tsev rubbers uas tiv tauj tooj liab cores, thiab lwm yam khoom siv roj hmab.
Cov txheej txheem synthesis ntawm anti-aging agent DNP yog: p-phenylenediamine thiab 2-naphthol cua sov thiab shrinking rooj
4. Phenolic thiab epoxy resin
Phenolic thiab epoxy resins feem ntau siv cov khoom siv engineering hauv kev lag luam. Cov kev tshawb fawb tau pom tias phenolic thiab epoxy resins tau los ntawm kev hloov lossis ib nrab hloov phenol nrog 2-naphthol muaj kev kub siab dua thiab dej tsis kam.
Post lub sij hawm: Mar-08-2021