2-Naphthol, ti a tun mọ ni β-naphthol, acetonaphthol tabi 2-hydroxynaphthalene, jẹ awọn flakes didan funfun tabi lulú funfun. Iwọn iwuwo jẹ 1.28g / cm3. Ojuami yo jẹ 123 ~ 124℃, aaye farabale jẹ 285 ~ 286℃, ati aaye filasi jẹ 161℃. O jẹ flammable, ati pe awọ yoo di ṣokunkun lẹhin ibi ipamọ igba pipẹ. Sublimation nipa alapapo, pungent wònyí. Insoluble ninu omi, tiotuka ni Organic epo ati awọn solusan ipilẹ.

2. Ohun elo ninu awọn dai ati pigment ile ise
Dyestuffs ati awọn agbedemeji pigment jẹ agbegbe lilo ti o tobi julọ ti 2-naphthol ni orilẹ-ede mi. Idi pataki ni pe iṣelọpọ awọn agbedemeji dye ti gbe kaakiri agbaye, bii 2, 3 acid, J acid, gamma acid, R acid, chromophenol AS Awọn wọnyi ni awọn ọja okeere agbedemeji pataki ti orilẹ-ede mi, ati awọn akọọlẹ iwọn didun okeere fun diẹ sii ju idaji ti lapapọ abele o wu. Ni afikun si iṣelọpọ ti awọn awọ ati awọn agbedemeji pigment, 2-naphthol tun le ṣee lo bi azo moiety lati fesi pẹlu awọn agbo ogun diazonium lati ṣeto awọn awọ.

1, 2, 3 acid
Orukọ kemikali 2,3 acid: 2-hydroxy-3-naphthoic acid, ọna ti iṣelọpọ rẹ jẹ: 2-naphthol ṣe atunṣe pẹlu sodium hydroxide, ti o gbẹ labẹ titẹ dinku lati gba iṣuu soda 2-naphtholate, lẹhinna fesi pẹlu CO2 lati gba 2-naphthalene. Phenol ati iyọ iṣuu soda 2,3, yọ 2-naphthol kuro ati acidify lati gba 2,3 acid. Ni lọwọlọwọ, awọn ọna iṣelọpọ rẹ ni akọkọ pẹlu ọna ti o lagbara ati ọna epo, ati ọna epo lọwọlọwọ jẹ aṣa idagbasoke pataki kan.
Awọn pigments adagun pẹlu awọn acids 2,3 bi awọn paati idapọ. Ọna ti iṣelọpọ ti iru awọn pigments ni lati kọkọ ṣe awọn paati diazonium sinu awọn iyọ diazonium, tọkọtaya pẹlu 2,3 ​​acids, ati lẹhinna lo irin alkali ati awọn iyọ irin ilẹ alkaline lati darapo O ti yipada si awọn awọ adagun ti a ko le yanju. Iwọn awọ akọkọ ti 2,3 acid lake pigment jẹ ina pupa. Iru bii: CI Pigment Red 57: 1, CI Pigment Red 48: 1 ati bẹbẹ lọ.
2,3 acids ti wa ni lilo pupọ ni iṣelọpọ ti naphthol jara awọn awọ yinyin. Ni 1992 "Atọka Dyestuff", awọn naphthas 28 wa ti a ṣepọ pẹlu 2,3 ​​acids.
Naphthol AS jara jẹ awọn pigments azo pẹlu awọn paati idapọ. Ọna asopọpọ ti iru pigmenti yii ni lati kọkọ ṣe awọn paati diazonium sinu awọn iyọ diazonium ki o so wọn pọ pẹlu awọn itọsẹ jara naphthol AS, gẹgẹbi lori iwọn aromatiki ti paati diazonium. Ni alkyl nikan, halogen, nitro, alkoxy ati awọn ẹgbẹ miiran, lẹhinna lẹhin ifarabalẹ, jara naphthol AS ti o wọpọ jẹ paati idapọ ti pigmenti azo, gẹgẹbi oruka aromatic ti paati diazo tun ni ẹgbẹ sulfonic acid , Isopọpọ pẹlu Naphthol AS jara awọn itọsẹ, ati ki o si lilo alkali irin ati ipilẹ aiye irin iyọ lati se iyipada o sinu insoluble lake dyes.
Suzhou Lintong Dyestuff Kemikali Co., Ltd bẹrẹ lati gbejade 2,3 acid ni awọn ọdun 1980. Lẹhin awọn ọdun ti idagbasoke, o ti di olupese ti ile ti o tobi julọ ati olokiki agbaye ti 2,3 acid.

2. Tobia acid
Orukọ kemikali Tobias acid: 2-aminonaphthalene-1-sulfonic acid. Ọna ti iṣelọpọ jẹ bi atẹle: 2-naphthol sulfonation lati gba 2-naphthol-1-sulfonic acid, amoniation lati gba 2-naphthylamine-1-sodium sulfonate, ati ojoriro acid lati gba Tobic acid. Tobic acid sulfonated ti wa ni sulfonated lati gba awọn sulfonated Tobic acid (2-naphthylamine-1,5-disulfonic acid).
Tobias acid ati awọn itọsẹ rẹ le ṣee lo lati ṣe agbejade awọn awọ bii Chromol AS-SW, Reactive Red K1613, Lithol Scarlet, Reactive Brilliant Red K10B, Reactive Brilliant Red K10B, Reactive Brilliant KE-7B, ati awọn pigments bii Organic Violet Red

3. J acid
Orukọ kemikali ti J acid: 2-Amino-5-naphthol-7-sulfonic acid, ọna iṣelọpọ rẹ jẹ: Toubic acid ti wa ni sulfonated ni iwọn otutu giga ati kekere, hydrolyzed ati iyọ jade ni alabọde ekikan lati gba 2-naphthylamine-5,72 Sulfonic acid, lẹhinna didoju, idapọ alkali, acidification lati gba J acid. J acid fesi lati gba awọn itọsẹ J acid gẹgẹbi N-aryl J acid, bis J acid, ati acid pupa.
J acid ati awọn itọsẹ rẹ le ṣe agbejade awọn oniruuru ekikan tabi awọn awọ taara, ifaseyin ati awọn awọ ifaseyin, gẹgẹbi: Acid Violet 2R, Weak Acid Purple PL, Pink Direct, Direct Pink Purple NGB, ati bẹbẹ lọ.

4. G iyọ
G iyọ kemikali orukọ: 2-naphthol-6,8-disulfonic acid dipotassium iyọ. Ọna ti iṣelọpọ rẹ jẹ: 2-naphthol sulfonation and salting out. G iyọ tun le yo, alkali dapọ, didoju, ati iyọ jade lati gba iyọ dihydroxy G.
G iyọ ati awọn itọsẹ rẹ le ṣee lo lati ṣe agbejade awọn agbedemeji awọ acid, gẹgẹbi osan osan G, acid scarlet GR, alailagbara acid pupa FG, ati bẹbẹ lọ.

5. R iyọ
R orukọ kemikali iyọ: 2-naphthol-3,6-disulfonic acid disodium iyọ, ọna iṣelọpọ rẹ jẹ: 2-naphthol sulfonation, salting out. G iyọ tun le yo, alkali dapọ, didoju, ati iyọ jade lati gba iyọ dihydroxy R.
R iyọ ati awọn itọsẹ le ti wa ni ti ṣelọpọ: Taara Light Fast Blue 2RLL, Reactive Red KN-5B, Reactive Red Violet KN-2R, ati be be lo.

6, 1,2,4 acid
1,2,4 acid kemikali orukọ: 1-amino-2-naphthol-4-sulfonic acid, awọn oniwe-synthesis ọna ti wa ni: 2-naphthol ti wa ni tituka ni soda hydroxide, nitrosated pẹlu soda nitrite, ati ki o si adalu pẹlu excess soda sulfite Reaction, ati nikẹhin acidification ati ipinya lati gba ọja naa. 1,2,4 acid diazotization lati gba 1,2,4 acid oxide body.
1,2,4 acids ati awọn itọsẹ le ṣee lo fun: acid mordant dudu T, acid mordant dudu R, ati be be lo.

7. Chevron acid
Orukọ kemikali ti Chevroic acid: 2-naphthol-6-sulfonic acid, ati ọna ti iṣelọpọ rẹ jẹ: 2-naphthol sulfonation ati iyọ jade.
A le lo Chevroic acid lati ṣe awọn awọ acid ati awọ-awọ ounjẹ ofeefee.

8, gamma acid
Orukọ kemikali Gamma acid: 2-amino-8-naphthol-6-sulfonic acid, ọna iṣelọpọ rẹ jẹ: G iyọ tun le gba nipasẹ yo, yo alkali, didoju, amoniating, ati ojoriro acid.
Gamma acid le ṣee lo lati ṣe LN dudu taara, taara sare tan GF, eeru iyara taara GF ati bẹbẹ lọ.

9. Ohun elo bi apakan idapọ
Ọna ti iṣelọpọ ti iru pigmenti yii ni lati kọkọ ṣe paati diazonium sinu iyọ diazonium ki o si so pọ pẹlu β-naphthol. Fun apẹẹrẹ, oruka aromatic ti paati diazonium ni alkyl nikan, halogen, nitro, alkoxy ati awọn ẹgbẹ miiran. Lẹhin ifaseyin naa, awọ β-naphthol azo lasan ni a gba. Fun apẹẹrẹ, oruka aromatic ti paati diazo tun ni ẹgbẹ sulfonic acid kan, eyiti o pọ pẹlu β-naphthol, ati lẹhinna irin alkali ati awọn iyọ irin ilẹ alkaline ni a le lo lati yi iyipada rẹ pada si awọn awọ adagun ti a ko le yo.
β-naphthol azo pigments jẹ pupa ati osan pigments. Bii CI Pigment Red 1,3,4,6 ati CI Pigment Orange 2,5. Iwọn awọ akọkọ ti pigmenti adagun β-naphthol jẹ ina pupa pupa tabi pupa buluu, nipataki pẹlu CI Pigment Red 49, CI Pigment Orange 17, ati bẹbẹ lọ.

3. Ohun elo ni ile-iṣẹ turari
Awọn ethers ti 2-naphthol ni oorun oorun ti osan ati itanna eṣú, pẹlu õrùn didùn, ati pe o le ṣee lo bi atunṣe fun ọṣẹ, omi igbonse ati awọn ohun elo miiran ati diẹ ninu awọn turari. Pẹlupẹlu, wọn ni aaye gbigbona ti o ga julọ ati iyipada kekere, nitorinaa ipa itọju lofinda dara julọ.
Awọn ethers ti 2-naphthol, pẹlu methyl ether, ethyl ether, butyl ether ati benzyl ether, le ṣee gba nipasẹ iṣesi ti 2-naphthol ati awọn ọti-lile ti o baamu labẹ iṣe ti awọn catalysts acid, tabi 2-naphthol ati awọn esters sulfate ti o baamu tabi Ti ari lati ifaseyin ti halogenated hydrocarbons.

4. Ohun elo ni oogun
2-Naphthol tun ni ọpọlọpọ awọn ohun elo ni ile-iṣẹ elegbogi, ati pe o le ṣee lo bi ohun elo aise fun awọn oogun wọnyi tabi awọn agbedemeji.
1. Naproxen
Naproxen jẹ oogun antipyretic, analgesic ati egboogi-iredodo.
Ọna ti iṣelọpọ ti naproxen jẹ bi atẹle: 2-naphthol jẹ methylated ati acetylated lati gba 2-methoxy-6-naphthophenone. 2-Methoxy-6-naphthalene ethyl ketone jẹ brominated, ketalized, tunto, hydrolyzed, ati acidified lati gba naproxen.

2. Naphthol caprylate
Naphthol octanoate le ṣee lo bi reagent fun wiwa iyara ti Salmonella. Ọna ti iṣelọpọ ti naphthol octanoate ni a gba nipasẹ iṣesi ti octanoyl kiloraidi ati 2-naphthol.

3. Pamoic acid
Pamoic acid jẹ iru agbedemeji elegbogi, ti a lo lati mura bii triptorelin pamoate, pyrantel pamoate, octotel pamoate ati bẹbẹ lọ.
Ọna ti iṣelọpọ ti pamoic acid jẹ bi atẹle: 2-naphthol ngbaradi 2,3 acid, 2,3 acid ati formaldehyde ti wa ni ifasilẹ labẹ catalysis ti acid lati di pamoic acid lati gba pamoic acid.
Marun, awọn ohun elo ogbin
2-Naphthol tun le ṣee lo ni iṣẹ-ogbin lati ṣe iṣelọpọ herbicide naprolamine, oluṣakoso idagbasoke ọgbin 2-naphthoxyacetic acid ati bẹbẹ lọ.

1. Naprotamine
Orukọ kemikali Naprolamine: 2- (2-naphthyloxy) propionyl propylamine, eyiti o jẹ akọkọ ọgbin homonu-iru herbicide ti o ni naphthyloxy lati ni idagbasoke. O ni awọn anfani wọnyi: ipa igbo ti o dara, ipaniyan ipaniyan igbo nla, aabo si eniyan, ẹran-ọsin ati awọn ẹranko inu omi, ati akoko iwulo gigun. Lọwọlọwọ, o ti ni lilo pupọ ni Japan, South Korea, Taiwan, Guusu ila oorun Asia ati awọn orilẹ-ede ati agbegbe miiran.
Ọna ti iṣelọpọ ti naphthylamine jẹ: α-chloropropionyl chloride fesi pẹlu aniline lati ṣe α-chloropropionylanilide, eyiti a gba lẹhinna nipasẹ isunmọ pẹlu 2-naphthol.

2. 2-Naphthoxyacetic acid
2-Naphthoxyacetic acid jẹ iru tuntun ti olutọsọna idagbasoke ọgbin, eyiti o ni awọn iṣẹ ti idilọwọ ododo ododo ati isubu eso, jijẹ ikore, imudarasi didara ati idagbasoke ti tọjọ. O ti wa ni o kun lo lati fiofinsi awọn idagba ti ope oyinbo, apple, tomati ati awọn miiran eweko ati ki o mu awọn ikore oṣuwọn.
Ọna ti iṣelọpọ ti 2-naphthoxyacetic acid jẹ: halogenated acetic acid ati 2-naphthol ti wa ni titẹ labẹ awọn ipo ipilẹ, ati lẹhinna gba nipasẹ acidification.

6. Ohun elo ni ile-iṣẹ ohun elo polymer

1, 2, 6 acid

Orukọ kemikali 2,6 acid: 2-hydroxy-6-naphthoic acid, ọna iṣelọpọ rẹ jẹ: 2-naphthol ṣe atunṣe pẹlu potasiomu hydroxide, ti o gbẹ labẹ titẹ dinku lati gba potasiomu 2-naphthol, lẹhinna fesi pẹlu CO2 lati gba 2-naphthalene. Phenol ati 2,6 acid potasiomu iyọ, yọ 2-naphthol ati acidify lati gba 2,6 acid. Ni lọwọlọwọ, awọn ọna iṣelọpọ rẹ ni akọkọ pẹlu ọna ti o lagbara ati ọna epo, ati ọna epo lọwọlọwọ jẹ aṣa idagbasoke pataki kan.
2,6 acid jẹ agbedemeji Organic pataki fun awọn pilasitik ina-ẹrọ, awọn pigments Organic, awọn ohun elo kirisita omi, ati oogun, paapaa bi monomer fun awọn ohun elo sintetiki ti o ni iwọn otutu. Awọn polima ti o ni iwọn otutu ti o ga julọ ti a ṣejade pẹlu acid 2,6 bi awọn ohun elo aise jẹ lilo pupọ ni ile-iṣẹ ohun elo kirisita olomi.
Suzhou Lintong Dyestuff Kemikali Co., Ltd. ti ni idagbasoke polymer-grade 2,6 acid da lori imọ-ẹrọ ti 2,3 acid, ati pe iṣelọpọ rẹ ti fẹẹrẹ diẹdiẹ. Ni bayi, 2,6 acid ti di ọkan ninu awọn ọja akọkọ ti ile-iṣẹ naa.

2. 2-Naphthylthiol

2-Naphthylthiol le ṣee lo bi ṣiṣu ṣiṣu nigbati o ba masticating roba ni ọlọ ti o ṣii, eyiti o le mu ipa ti mastication dara, dinku akoko mastication, fi ina mọnamọna pamọ, dinku imularada rirọ, ati dinku idinku roba. O tun le ṣee lo bi intersecting olooru activator ati antioxidant.
Ọna ti iṣelọpọ ti 2-naphthylthiol jẹ bi atẹle: 2-naphthol ti ṣe atunṣe pẹlu dimethylaminothioformyl chloride, lẹhinna kikan ati gba nipasẹ hydrolysis acidic.

3. Rubber antioxidant

3.1 Aṣoju egboogi-ti ogbo D
Aṣoju egboogi-ti ogbo D, ti a tun mọ ni aṣoju egboogi-ti ogbo D, orukọ kemikali: N-phenyl-2-naphthylamine. Apaniyan gbogbogbo-idi fun roba adayeba ati roba sintetiki, ti a lo ninu iṣelọpọ awọn ọja ile-iṣẹ gẹgẹbi awọn taya, awọn teepu, ati awọn bata roba.
Ọna ti iṣelọpọ ti antioxidant D jẹ: 2-naphthol pressurized ammonolysis lati gba 2-naphthylamine, eyiti o gba lẹhinna nipasẹ condensation pẹlu benzene halogenated.

3.2. Anti-ti ogbo oluranlowo DNP
Aṣoju anti-ti ogbo DNP, orukọ kemikali: N, N- (β-naphthyl) p-phenylenediamine, jẹ ifopinsi pq iru aṣoju egboogi-ti ogbo ati oluranlowo irin complexing. O ti wa ni o kun lo bi awọn ẹya egboogi-ti ogbo oluranlowo fun ọra ati ọra taya okun, waya ati USB idabobo rubbers ti o kan si Ejò ohun kohun, ati awọn miiran roba awọn ọja.
Ọna idapọ ti DNP oluranlowo egboogi-ti ogbo ni: p-phenylenediamine ati 2-naphthol alapapo ati tabili idinku.

4. phenolic ati iposii resini
Phenolic ati awọn resini iposii jẹ awọn ohun elo imọ-ẹrọ ti o wọpọ ni ile-iṣẹ naa. Awọn ijinlẹ ti fihan pe awọn resini phenolic ati iposii ti a gba nipasẹ rirọpo tabi rọpo phenol ni apakan pẹlu 2-naphthol ni aabo ooru ti o ga julọ ati idena omi.