iindaba

I-2-Naphthol, eyaziwa ngokuba yi-β-naphthol, i-acetonaphthol okanye i-2-hydroxynaphthalene, i-white flakes ecwebezelayo okanye umgubo omhlophe.Ubuninzi be-1.28g/cm3.Indawo yokunyibilika yi123~124℃, indawo yokubilisa yi285℃286℃, kwaye iflash point yi161℃.Inokutsha, kwaye umbala uya kuba mnyama emva kokugcinwa kwexesha elide.I-sublimation ngokufudumeza, iphunga elimnandi.I-insoluble emanzini, i-soluble kwii-solvents eziphilayo kunye nezisombululo ze-alkaline.

2. Ukusetyenziswa kwishishini ledayi kunye ne-pigment
I-Diestuffs kunye ne-pigment intermediates yeyona ndawo isetyenziswa kakhulu ye-2-naphthol kwilizwe lam.Isizathu esibalulekileyo kukuba ukuveliswa kwedayi phakathi kudluliselwe kwihlabathi jikelele, njenge-2, 3 acid, i-asidi ye-J, i-gamma acid, i-asidi ye-R, i-chromophenol AS Ezi ziimveliso ezibalulekileyo zelizwe lam ezithumela ngaphandle kwamanye amazwe, kunye nomthamo we-akhawunti yokuthumela ngaphandle. isiqingatha semveliso yasekhaya iyonke.Ukongeza kwi-synthesis yedayi kunye ne-pigment intermediates, i-2-naphthol ingasetyenziselwa njenge-azo moiety ukusabela kunye ne-diazonium compounds ukulungisa idayi.

1, 2, 3 acid
I-2,3 igama lekhemikhali ye-asidi: i-2-hydroxy-3-naphthoic acid, indlela yayo yokudibanisa: i-2-naphthol isabela nge-sodium hydroxide, i-dehydrated phantsi koxinzelelo oluncitshisiweyo lokufumana i-sodium 2-naphtholate, kwaye emva koko iphendule nge-CO2 ukufumana i-2-naphthalene. I-Phenol kunye ne-2,3 ityuwa ye-sodium, susa i-2-naphthol kunye ne-acidify ukufumana i-2,3 acid.Okwangoku, iindlela zayo zokudibanisa ikakhulu zibandakanya indlela yesigaba esiqinileyo kunye nendlela ye-solvent, kwaye indlela ye-solvent yangoku yindlela enkulu yophuhliso.
I-pigments ye-Lake ene-2,3 acids njengamacandelo okudibanisa.Indlela yokudibanisa yolu hlobo lwemibala kukuqala ukwenza amacandelo e-diazonium kwiityuwa ze-diazonium, isibini kunye ne-2,3 acids, kwaye emva koko usebenzise isinyithi sealkali kunye neetyuwa zesinyithi zomhlaba zealkali ukudibanisa Iguqulwa ibe yidayi yechibi enganyibilikiyo.Umbala ophambili we-2,3 we-pigment ye-asidi yechibi kukukhanya okubomvu.Ezinje: CI Pigment Red 57:1, CI Pigment Red 48:1 njalo njalo.
I-2,3 acids isetyenziswa ngokubanzi kwi-synthesis ye-naphthol series dyes ice.Kwi-1992 "i-Dyestuff Index", kukho i-28 naphthas ehlanganiswe ne-2,3 acids.
Uchungechunge lweNaphthol AS zii-pigments ze-azo ezinamacandelo okudibanisa.Indlela yokudityaniswa kolu hlobo lwebala kukuqala ukwenza amalungu ediazonium abe ziityuwa zediazonium kwaye azidibanise ne-naphthol AS ephuma kuthotho, njengeringi enuka kamnandi yecandelo le-diazonium.Iqulethe kuphela i-alkyl, i-halogen, i-nitro, i-alkoxy kunye namanye amaqela, emva koko emva kokusabela, uchungechunge oluqhelekileyo lwe-naphthol AS ludibaniso lwecandelo le-azo pigment, njengeringi elimnandi lecandelo le-diazo likwaqulethe iqela le-asidi ye-sulfonic. Naphthol AS series derivatives, kwaye ke usebenzisa isinyithi alkali kunye neetyuwa zesinyithi emhlabeni alkaline ukuyiguqula ibe iidayi echibini ezinganyibilikiyo.
I-Suzhou Lintong Dyestuff Chemical Co., Ltd. yaqala ukuvelisa i-2,3 acid kwi-1980s.Emva kweminyaka yophuhliso, iye yaba ngowona mvelisi mkhulu wasekhaya nowamanye amazwe we-2,3 acid.

2. Tobias acid
Igama lekhemikhali ye-Tobias acid: 2-aminonaphthalene-1-sulfonic acid.Indlela yokudibanisa yile ndlela ilandelayo: i-2-naphthol sulfonation ukufumana i-2-naphthol-1-sulfonic acid, i-ammoniation yokufumana i-2-naphthylamine-1-sodium sulfonate, kunye ne-acid precipitation ukufumana i-Tobic acid.I-sulfonated Tobic acid i-sulfonated ukufumana i-sulfonated Tobic acid (2-naphthylamine-1,5-disulfonic acid).
I-Tobias acid kunye nezinto eziphuma kuyo zingasetyenziselwa ukuvelisa iidayi ezifana neChromol AS-SW, Reactive Red K1613, Lithol Scarlet, Reactive Brilliant Red K10B, Reactive Brilliant Red K10B, Reactive Brilliant KE-7B, kunye nee pigments ezifana Organic Violet Red

3. J acid
Igama leKhemikhali ye-J acid: 2-Amino-5-naphthol-7-sulfonic acid, indlela yayo yokudibanisa yile: I-Toubic acid i-sulfonated kwiqondo lokushisa eliphezulu neliphantsi, i-hydrolyzed kunye netyuwa ngaphandle kwi-acidic medium ukufumana i-2-naphthylamine-5,72 I-Sulfonic acid, emva koko i-neutralization, i-alkali fusion, i-acidification ukufumana i-J acid.I-asidi ye-J iphendula ukufumana i-J acid derivatives efana ne-N-aryl J acid, i-bis J acid, kunye ne-scarlet acid.
I-asidi ye-J kunye ne-derivatives yayo inokuvelisa iindidi ze-acidic okanye i-dyes ngqo, idayi esebenzayo kunye ne-reactive, njenge: Acid Violet 2R, i-Weak Acid Purple PL, i-Pink Direct, i-Pink Purple NGB, njl.

4. G ityuwa
G igama lemichiza yetyuwa: 2-naphthol-6,8-disulfonic acid dipotassium ityuwa.Indlela yayo yokudibanisa yile: 2-naphthol sulfon kunye ne-salting ngaphandle.Ityuwa ye-G inokunyibilika, idityaniswe ialkali, ingathathi hlangothi, kwaye igalelwe ityuwa ukuze ifumane ityuwa ye-dihydroxy G.
Ityuwa ye-G kunye nezinto eziphuma kuyo zingasetyenziselwa ukuvelisa i-asidi yedayi ephakathi, njenge-acid orange G, i-acid ebomvu GR, i-acid ebomvu ebomvu, njl.

5. R ityuwa
R ityuwa imichiza igama: 2-naphthol-3,6-disulfonic acid disodium ityuwa, indlela yayo synthesis: 2-naphthol sulfonation, salting ngaphandle.Ityuwa ye-G inokunyibilika, idityaniswe ialkali, ingathathi hlangothi, kwaye igalelwe ityuwa ngaphandle ukuze kufumaneke ityuwa yedihydroxy R.
I-R ityuwa kunye ne-derivatives inokuveliswa: Ukukhanya okuNgqongileyo okuKhanya okuBhulu ngokukhawuleza kwe-2RLL, i-Reactive Red KN-5B, i-Reactive Red Violet KN-2R, njl.

6, 1,2,4 acid
Igama lekhemikhali ye-1,2,4 ye-asidi: 1-amino-2-naphthol-4-sulfonic acid, indlela yayo yokudibanisa yile: 2-naphthol inyibilika kwi-sodium hydroxide, i-nitrosated kunye ne-nitrite yesodium, kwaye emva koko ixutywe ne-sodium sulfite Reaction engaphezulu, kwaye ekugqibeleni i-asidi kunye nokwahlukaniswa ukufumana imveliso.1,2,4 acid diazotization ukufumana 1,2,4 acid oxide umzimba.
I-1,2,4 acids kunye ne-derivatives ingasetyenziselwa: i-acid mordant emnyama T, i-acid mordant black R, njl.

7. Chevron acid
Igama lekhemikhali ye-Chevroic acid: i-2-naphthol-6-sulfonic acid, kunye nendlela yokudibanisa: i-2-naphthol sulfon kunye ne-salting out.
I-Chevroic acid ingasetyenziselwa ukwenza idayi yeasidi kunye nedayi yokutya ukutshona kwelanga tyheli.

8, iasidi yegamma
Igama lekhemikhali ye-Gamma acid: i-2-amino-8-naphthol-6-sulfonic acid, indlela yayo yokudibanisa yile: ityuwa ye-G inokufumaneka ngokunyibilika, ukunyibilika kwealkali, ukungathathi hlangothi, i-ammoniating, kunye nemvula ye-asidi.
I-asidi ye-Gamma ingasetyenziselwa ukwenza i-LN emnyama ngqo, i-tan ekhawulezayo ye-GF, i-ash ekhawulezayo ye-GF njalo njalo.

9. Isicelo njengenxalenye yokudibanisa
Indlela yokudibanisa yolu hlobo lwe-pigment kukuqala ukwenza i-diazonium component ibe yityuwa ye-diazonium kwaye idibanise ne-β-naphthol.Ngokomzekelo, ikhonkco elimnandi le-diazonium liqukethe kuphela i-alkyl, i-halogen, i-nitro, i-alkoxy kunye namanye amaqela.Emva kokuphendula, i-β-naphthol azo pigment eqhelekileyo ifunyenwe.Umzekelo, iringi enevumba elimnandi yecandelo le-diazo ikwaqulathe iqela le-asidi ye-sulfonic, edityaniswa ne-β-naphthol, emva koko isinyithi sealkali kunye neetyuwa zomhlaba zealkaline zesinyithi zingasetyenziselwa ukuyiguqula Iguqulwe ibe yidayi yechibi enganyibilikiyo.
I-β-naphthol azo pigments ikakhulu ibomvu kunye ne-orenji.Ezifana neCI Pigment Red 1,3,4,6 kunye neCI Pigment Orange 2,5.Umbala obalaseleyo we-β-naphthol chibi pigment yi-yellow light ebomvu okanye eluhlaza okwesibhakabhaka ebomvu, ingakumbi i-CI Pigment Red 49, i-CI Pigment Orange 17, njl.

3. Isicelo kwishishini le-perfume
I-ethers ye-2-naphthol inevumba leentyantyambo ze-orenji kunye neentyantyambo zenkumbi, kunye nevumba elithambileyo, kwaye ingasetyenziselwa ukulungiswa kwesepha, amanzi angasese kunye nezinye iziqholo kunye nezinye iziqholo.Ngaphezu koko, banendawo yokubilisa ephezulu kunye nokuguquguquka okuphantsi, ngoko ke umphumo wokugcinwa kwevumba ungcono.
I-ethers ye-2-naphthol, kuquka i-methyl ether, i-ethyl ether, i-butyl ether kunye ne-benzyl ether, inokufumaneka ngokuphendula kwe-2-naphthol kunye ne-alcohol ehambelanayo phantsi kwesenzo se-acid catalysts, okanye i-2-naphthol kunye ne-sulfate esters ehambelanayo okanye iDerived ukusuka ekuphenduleni kwee-halogenated hydrocarbons.

4. Ukusetyenziswa kweyeza
I-2-Naphthol nayo inoluhlu olubanzi lwezicelo kwishishini lamachiza, kwaye ingasetyenziselwa njengento ekrwada kumachiza alandelayo okanye abaphakathi.
1. Naproxen
I-Naproxen yi-antipyretic, i-analgesic kunye neyeza elichasayo.
Indlela yokudibanisa ye-naproxen ngolu hlobo lulandelayo: I-2-naphthol i-methylated kunye ne-acetylated ukufumana i-2-methoxy-6-naphthophenone.I-2-Methoxy-6-naphthalene ethyl ketone i-brominated, i-ketalized, ihlelwe ngokutsha, i-hydrolyzed, kwaye i-acidified ukufumana i-naproxen.

2. INaphthol caprylate
I-Naphthol octanoate ingasetyenziswa njenge-reagent yokukhangela ngokukhawuleza kwe-Salmonella.Indlela yokudibanisa ye-naphthol octanoate ifunyenwe ngokusabela kwe-octanoyl chloride kunye ne-2-naphthol.

3. I-Pamoic acid
Pamoic acid luhlobo lwe pharmaceutical intermediate, esetyenziselwa ukulungiselela ezifana triptorelin pamoate, pyrantel pamoate, octotel pamoate njalo njalo.
Indlela yokudibanisa ye-emoic acid ngolu hlobo lulandelayo: I-2-naphthol ilungiselela i-2,3 acid, i-2,3 acid kunye ne-formaldehyde zisabela phantsi kwe-catalysis ye-asidi ukuxilisa i-emoic acid ukufumana i-asidi ye-emoic.
Isihlanu, izicelo zezolimo
I-2-Naphthol ingasetyenziselwa kwezolimo ukwenza i-herbicide naprolamine, isilawuli sokukhula kwezityalo 2-naphthoxyacetic acid njalo njalo.

1. Naprotamine
Igama lekhemikhali yeNaprolamine: 2-(2-naphthyloxy) propionyl propylamine, eyeyokuqala ihomoni yezityalo-uhlobo lokutshabalalisa ukhula oluqulathe naphthyloxy ukuphuhliswa.Inezi nzuzo zilandelayo: isiphumo esihle sokulukhula, ukutshatyalaliswa kokhula okubanzi, ukhuseleko ebantwini, kwimfuyo nakwizilwanyana zasemanzini, kunye nexesha elide lokusebenza.Okwangoku, isetyenziswa kakhulu eJapan, eMzantsi Korea, eTaiwan, eMzantsi-mpuma Asia nakwamanye amazwe kunye nemimandla.
Indlela yokudibanisa ye-naphthylamine yile: i-α-chloropropionyl chloride iphendula kunye ne-aniline ukuze yenze i-α-chloropropionylanilide, efunyenwe ngokudibanisa ne-2-naphthol.

2. I-2-Naphthoxyacetic acid
I-2-Naphthoxyacetic acid luhlobo olutsha lokulawula ukukhula kwezityalo, olunemisebenzi yokuthintela ukuwa kwentyatyambo kunye neziqhamo, ukwandisa isivuno, ukuphucula umgangatho kunye nokukhula kwangaphambi kwexesha.Isetyenziswa ikakhulu ukulawula ukukhula kwephayinaphu, iapile, itumato kunye nezinye izityalo kunye nokunyusa izinga lesivuno.
Indlela yokudibanisa ye-2-naphthoxyacetic acid yile: i-halogenated acetic acid kunye ne-2-naphthol iyancipha phantsi kweemeko ze-alkali, kwaye ifunyenwe nge-acidification.

6. Ukusetyenziswa kwishishini lezinto zepolymer

1, 2, 6 acid

Igama lekhemikhali ye-2,6 ye-asidi: i-2-hydroxy-6-naphthoic acid, indlela yayo yokudibanisa yile: i-2-naphthol isabela nge-potassium hydroxide, i-dehydrated phantsi koxinzelelo oluncitshisiweyo lokufumana i-potassium 2-naphthol, kwaye emva koko iphendule nge-CO2 ukufumana i-2-naphthalene. I-Phenol kunye ne-2,6 ityuwa ye-potassium ye-asidi, susa i-2-naphthol kunye ne-acidify ukufumana i-2,6 acid.Okwangoku, iindlela zayo zokudibanisa ikakhulu zibandakanya indlela yesigaba esiqinileyo kunye nendlela ye-solvent, kwaye indlela ye-solvent yangoku yindlela enkulu yophuhliso.
I-asidi ye-2,6 yi-organic intermediate ebalulekileyo yeeplastiki zobunjineli, i-pigments ye-organic, imathiriyeli yekristale elulwelo, kunye namayeza, ngakumbi njenge-monomer yezinto zokwenziwa ezinobushushu.Iipolima ezixhathisa ubushushu obuphezulu eziveliswe nge-asidi eyi-2,6 njengezinto ezikrwada zisetyenziswa kakhulu kushishino lwemathiriyeli yekristale.
I-Suzhou Lintong Dyestuff Chemical Co., Ltd. iphuhlise i-polymer-grade 2,6 acid esekelwe kwi-teknoloji ye-2,3 acid, kwaye imveliso yayo iye yanda ngokuthe ngcembe.Okwangoku, i-2,6 acid iye yaba yenye yeemveliso eziphambili zenkampani.

2. 2-Naphthylthiol

I-2-i-Naphthylthiol ingasetyenziselwa i-plasticizer xa i-rubber ye-masticating kwi-mill evulekileyo, enokuphucula umphumo we-mastication, ukunciphisa ixesha le-mastication, ukugcina umbane, ukunciphisa ukubuyiswa kwe-elastic, kunye nokunciphisa i-rubber shrinkage.Inokusetyenziswa kwakhona njenge-activator yokuvuselela i-intersecting kunye ne-antioxidant.
Indlela yokudibanisa ye-2-naphthylthiol ngolu hlobo lulandelayo: i-2-naphthol iphendulwa nge-dimethylaminothioformyl chloride, emva koko ishushu kwaye ifunyenwe nge-acidic hydrolysis.

3. Irabha antioxidant

3.1 Iarhente yokunqanda ukuguga D
I-anti-aging agent D, eyaziwa ngokuba yi-anti-aging agent D, igama lekhemikhali: N-phenyl-2-naphthylamine.I-antioxidant yenjongo jikelele yerabha yendalo kunye nerabha eyenziweyo, esetyenziswa ekwenzeni iimveliso zamashishini ezifana namatayara, iiteyiphu, kunye nezihlangu zerabha.
Indlela ye-synthesis ye-antioxidant D yile: i-2-naphthol icinezele i-ammonolysis ukuze ifumane i-2-naphthylamine, efunyenwe ngokujiya nge-halogenated benzene.

3.2.Anti-aguga arhente DNP
I-Agent yokuguga i-DNP, igama lekhemikhali: N, N-(β-naphthyl) p-phenylenediamine, ikhefu lekhonkco eliphelisa uhlobo oluchasene nokuguga kunye ne-metal complexing agent.Ikakhulu isetyenziswa njenge-agent echasene nokuguga yenayiloni kunye neentambo zamatayara enayiloni, ucingo kunye neerubha zokugquma iintambo ezinxibelelana neentsimbi zobhedu, kunye nezinye iimveliso zerabha.
Indlela yokudibanisa ye-anti-aging agent DNP yile: p-phenylenediamine kunye ne-2-naphthol yokufudumeza kunye netafile eyanciphayo.

4. Phenolic kunye ne-epoxy resin
I-Phenolic kunye ne-epoxy resins zisetyenziswa ngokuqhelekileyo izixhobo zobunjineli kwishishini.Uphononongo lubonise ukuba i-phenolic kunye ne-epoxy resins efunyenwe ngokutshintsha okanye ngokuyinxenye endaweni ye-phenol nge-2-naphthol inokumelana nokushisa okuphezulu kunye nokuxhathisa kwamanzi.


Ixesha lokuposa: Mar-08-2021