1,2, {4- benzoic acid, tseem hu uatxhais cov acid, 1,2, {4-} Cov qauv tshuaj C9SulicSlos Benzen, feem ntau yog cov muaju dawb lossis cov hmoov dawb. Nws yog cov khoom uas nyuaj rau yaj hauv dej, tab sis nws solubility tsuas yog txwv ntawm qhov kub. Tshwj xeeb, ntawm 25 degree, lub solubility ntawm 1,2, {10}} benzenetricalboxylic acid hauv dej yog kwv yees li 2.1ml / 100ml. Qhov no qhia tau tias nyob hauv chav sov, solubility hauv dej yog tus nqi qis, tab sis nyob rau hauv qee yam kev mob tshwj xeeb (solubility), nws solubility yuav nce ntxiv. Piv rau nws solubility hauv dej, nws muaj kev sib zog zoo dua hauv qee cov kuab tshuaj organic. Piv txwv li, nws yog yooj yim soluble hauv ethanol thiab dimethylformamide, soluble hauv ethyloob hauv ethyl Qhov sib txawv no hauv solubility tso cai rau kev ua kom tau zoo thiab sib cais hauv cov tshuaj lom neeg thiab cov txheej txheem lim dej los ntawm kev xaiv cov kuab tshuaj uas tsim nyog.
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Tshuaj Cov Qauv |
C9H6O6 |
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Muaj pes tsawg leej |
210 |
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Molecular hnyav |
210 |
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m/z |
210 (100.0%), 211 (9.7%), 212 (1.2%) |
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Kev Ntsuam Xyuas |
C, 51.44; H, 2.88; O, 45.68 |
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1,2, {4- benzoic acid, tseem hu uatxhais cov acid, yog ib qho tseem ceeb organic tshuaj. Nws cov ntawv thov tseem ceeb heev, npog ntau ntau yam khoom lag luam.
Kev npaj ntawm trimellitic anhydride thiab 1,2, {2}} benzoic acid esters
(1) Kev npaj ntawm Trimethylenzene anhydride
Trimethylbenzene Anhydride yog ib qho ntawm cov tseem ceeb derivatives ntawm cov khoom no. Through specific chemical reactions, such as dehydration, 1,2,4-benzenetricarboxylic acid can be converted to trimellitic anhydride. Trimethylbenzene aidride muaj ntau cov kev siv hauv kev lag luam tshuaj lom neeg thiab yog cov khoom siv tseem ceeb rau kev tsim khoom thiab cov tshuaj zoo.
(2) Npaj ntawm Trimellite Esters
Ib qho ntxiv, nws tseem tuaj yeem hla cov tshuaj tiv thaiv esterification nrog cov cawv muaj cov sib txuas ua ke los tsim cov trimellite esters. Cov tshuaj esters muaj cov khoom siv solubility zoo, ruaj khov, thiab cua sov kuj, thiab yog siv kub ua kom dav, cov kuab tshuaj, thiab surfactants. Ntawm lawv, dioctyl phthalate yog ib qho yas yas yas ua kom zoo txhim kho qhov yooj yim, txias kuj, thiab txheej txheem ntawm polyvinyl chloride cov ntaub ntawv.
Daim Ntawv Thov nyob rau hauv Resin raug
Polyimide Resin:
Resin polyimide yog ib qho kev ua tau zoo polymer cov khoom siv nrog cov kub kub tsis kam, lub zog siv zog, thiab tshuaj kho kom huv si. Cov tshuaj no lossis nws cov derivatives tuaj yeem siv ua ib qho ntawm cov ntaub ntawv raw rau polyimide cob, koom nrog polymerization los tsim polyimide molecular chains. Hom kev cob qhia no muaj dav kev cia siab rau hauv aerospace, cov ntaub ntawv hluav taws xob, biomedicine thiab lwm thaj teb.
Daim ntawv thov raws li lub tshuab yas
Ester derivatives ntawm cov tshuaj no, tshwj xeeb tshaj yog dioctyl phthalate, yog cov yas tseem ceeb rau cov plastics xws li polyvinyl chloride. Cov hnab yas tuaj yeem ua kom tau yooj yim, ductility, thiab txheej txheem ntawm cov yas uas yooj yim, ua cov khoom siv yas, thiab cov duab. Cov tshuab yas xws li Dioctyl phthalate tau siv dav hauv cov xaim xws li cov xov hlau thiab cov xaim, cov duab ua yeeb yaj kiab, raj, thiab qhov chaw tsheb.
Daim Ntawv Thov nyob rau Epoxy Resin Chais Tus Neeg Sawv Cev
Epoxy Resin yog ib qho tseem ceeb thermosetting yas nrog cov adhesion zoo, tshuab lub zog, thiab tshuaj lom neeg ruaj khov. Qhov khoom no lossis nws derivative, txiav anhydride, tuaj yeem siv los ua tus kho tus neeg sawv cev rau epoxy cov kev sib tw nrog cov qauv sib tw ntawm tus qauv peb-seem. Qhov kev kho mob epoxy no tau muaj lub tshav kub ua kom muaj zog, muaj zog, thiab yog siv tshuaj lom neeg, cov nplaum, cov khoom siv sib xyaw, thiab lwm yam ntxiv.
Raug Rwb Thaiv Tsev Rwb Thaiv Tsev
Qhov yeeb tshuaj no lossis nws cov derivatives kuj tseem siv tau los tsim cov cua kub-resistant rwb thaiv tsev cov ntaub ntawv. Cov ntaub ntawv no muaj cov kub ua hluav taws xob tau ua tau zoo, thiab siv tshuab hluav taws xob, thiab siv tshuab hluav taws xob, cov khoom siv hluav taws xob, thiab lub tshuab hluav taws xob. Piv txwv li, txiav anhydride yuav siv tau los tsim kom muaj cov xim kub, xws li cov xim rwb thaiv tsev ua cov khoom siv hlau ua kom muaj kev nyab xeeb ntawm cov khoom siv hluav taws xob.
Daim Ntawv Thov Hauv Hmoov Txheej
Hmoov txheej yog ib puag ncig tus phooj ywg zoo nrog cov txiaj ntsig xws li tsis muaj kuab paug xws li lub zog, thiab lub zog txuag, thiab ua kom yooj yim dua. Cov tshuaj no los yog nws cov nyiaj ntawm cov khoom noj yuav siv tau ua ib qho ntawm cov khoom siv raw rau cov txheej txheem txheej txheem thiab koom ua txoj kev npaj cov txheej txheem ntawm cov txheej txheem. Hom hmoov zoo li no muaj cov nplaum zoo heev, huab cua tiv thaiv, thiab yog siv cov khoom zoo nkauj, thiab yog siv dav rau cov khoom siv hauv tsev, tsheb, thiab tshuab.
Lwm Thaj Chaw Thov
Ntxiv nrog rau cov ntawv thov tseem ceeb tau hais los saum toj no, tseem muaj ntau lwm qhov chaw thov:
Dyes thiab cov xim: cov tshuaj no lossis nws cov derivatives tuaj yeem ua cov kev sib txuam rau cov lus nug thiab cov xim nrog cov xim thiab cov khoom tshwj xeeb. Cov dyes thiab cov pigments tau siv dav hauv liaj teb xws li cov ntawv nyeem, luam ntawv, thiab cov yas.
Surfactant: qee qhov kev ua yeeb yam ntawm cov tshuaj no muaj cov kev ua si zoo nkauj thiab tuaj yeem siv ua surfactants. Hom surfactant muaj cov haujlwm ntawm kev txo cov npoo nro, thiab yog cov khoom siv tshuaj lom neeg, tshuaj tua tshuaj txhua hnub, thiab cov tshuaj tua tshuaj, thiab tshuaj rau zaub mov.
Zaj duab xis thiab dej-soluble coings: Qhov no cov tshuaj lossis nws cov derivatives kuj tseem siv tau los tsim cov zaj duab xis thiab dej-soluble ua. Cov txheej txheej no muaj cov yeeb yaj kiab zoo tshaj plaws, cov nplaum, thiab yog siv dav rau cov txheej txheem xws li kev tsim kho, tsheb, thiab aerospace.
Steeilizers: nyob rau hauv kev ua yas ua, qee yam derivatives ntawm cov tshuaj no tuaj yeem siv los ua cov stabilizers txhawm rau txhim kho lub thermal thiab photostability ntawm cov khoom siv yas.
Cov roj fais fab impregnating xws li trimellitic anhydrride roj kuj tseem siv tau los tsim cov khoom siv hluav taws xob impregnating thiab kub ua hauj lwm ntawm capacitors.
Efficievies leap precision thiab ruaj khov
Txais cov pob qij txha muaj kev sib xyaw ua ke tuaj yeem nce cov nyiaj tau los ntawm 25%, thiab kev ua kom zoo nkauj tsis tau los ntawm kev ua kom tau txais txiaj ntsig zoo nkauj; {{6 {6}}. 4 hli nyob rau hauv kev hloov ntawm tus cwj pwm txav, thiab cov lus qhuab qhia nkhaus yog qhov tseeb thiab ruaj khov.
1,2, {4- benzoic acid, tseem hu uatxhais cov acid, Puas yog ib qho tseem ceeb organic sib txuas nrog cov tshuaj lom tshwj xeeb thiab ntau cov kev siv.
Nws muaj peb pawg carboxyl (- Cooh) hauv nws cov molecule, uas muab rau nws muaj zog acidity. Carboxyl Group yog ib pab pawg neeg uas muaj peev xwm koom tau rau ntau cov tshuaj tiv thaiv kev siv tshuaj, xws li Etrerification, acylation, thiab decarboxylation. Cov kev tawm tsam no muab cov ntawv thov kev cia siab rau lawv cov xwm txheej ntawm lwm cov oceganic sib txuas thiab npaj cov ntaub ntawv ua haujlwm.
Vim yog cov kev ntseeg siab ntawm cov pawg carboxyl hauv nws cov qauv molecular, nws tuaj yeem yauv ua cov tshuaj lom neeg nrog ntau yam sib xyaw. Piv txwv li, nws tuaj yeem nkag siab txog cov tshuaj tiv thaiv kev haus cawv nrog cov cawv sib txuas los tsim cov ntawv sib txuas ua ke; Nws tseem tuaj yeem ua rau cov tshuaj tiv thaiv Aylation nrog amine compounds los tsim kom muaj kev sib txuas lus. Cov kev tawm tsam no tsis tsuas yog txhawb nqa cov tshuaj lom neeg, tab sis kuj muab ntau ntxiv rau lawv cov ntawv thov hauv Synthic thiab khoom npaj.
Muaj qee qhov kev kawm ntawm thermal stability nyob rau hauv cov cua kub. Txawm li cas los xij, nyob rau qhov kub thiab txias, nws yuav yauv ua tsis tiav lossis decarboxylationreensions, tsim cov kua qaub anhydrides lossis carbon dioxide khoom. Qhov no thermal ruaj xeeb tus yam ntxwv yog ntawm qhov tseem ceeb tshaj plaws rau kev nkag siab nws tus cwj pwm raws li cov kev mob siab thiab nws daim ntawv thov hauv kev npaj cov khoom kub siab.
Nws tuaj yeem npaj los ntawm oxidation tshuaj tiv thaiv. Cov oxidants xws li nitric acid, poov tshuaj permanganate, thiab kua-theem cua. Cov oxidants no tuaj yeem oxidize meta xyan (1,2, {3}} trimethylbzene) rau cov khoom no. Thaum lub sij hawm oxidation cov txheej txheem, saib xyuas yuav tsum tau them rau kev tswj hwm cov tshuaj tiv thaiv kom zam dhau ntawm cov khoom lag luam thiab cov txo qis hauv cov txiaj ntsig.
Txoj kev potassium permanganate oxidation kuj yog ib txoj kev siv ib qho ntxiv rau kev npaj 1,2, {{{}} benzenetboxylic acid. Cov qauv no siv cov khoom siv siab heev raws li cov khoom siv raw thiab undergoes oxidation oxidation cov tshuaj tiv thaiv nyob rau hauv muaj poov tshuaj permanganate. Thaum lub sij hawm cov txheej txheem kev tshuaj tiv thaiv, nws yog ib qho tsim nyog los tswj qhov ntsuas kub uas tsim nyog thiab cov kev xav txawv txav los xyuas cov khoom lag luam thiab kev txhim kho ntawm kev tawm los. Tom qab cov tshuaj tiv thaiv tiav, cov khoom tiav tau los ntawm cov kauj ruam xws li acidification, thiab ziab. Hom qauv no muaj qhov zoo ntawm kev yooj yim muaj cov khoom raw thiab cov tshuaj tiv thaiv yooj yim, tab sis saib xyuas cov tshuaj lom neeg potassium permanganate thiab kev nyab xeeb teeb meem thaum lub sijhawm kev tawm tsam.
Cim npe nrov: Trimellitic Acid Cas 528-44-9, cov chaw muag khoom, chaw tsim khoom, Hoobkas, lag luam Wholesale, yuav, nqe, loj, rau muag