Triphenyl phosphate(TPP, tris (4-phenoxyphenyl) phosphate) yog siv dav siv cov organic phosphorus compound, feem ntau yog siv los ua cov nplaim hluav taws xob thiab cov yas yas hauv kev tsim khoom. Nws feem ntau pom muaj nyob rau hauv cov khoom siv hluav taws xob (xws li cov rooj sib tham hauv Circuit Court, cov khoom sib txuas), cov khoom siv hauv tsev, cov rooj tog zaum ua npuas ncauj, thiab qee yam khoom yas, uas nws pab txhim kho hluav taws kev nyab xeeb ntawm cov khoom los ntawm inhibiting thermal degradation thiab combustion txheej txheem ntawm cov ntaub ntawv polymer.
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Tshuaj Formula |
C18H15O4P |
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Exact Mass |
326.07 |
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Molecular Luj |
326.29 |
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m/z |
326.07 (100.0%), 327.07 (19.5%), 328.08 (1.8%) |
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Elemental Analysis |
C, 66.26; H, 4.63; O, 19.61; P, 9.49 |
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Melting point |
48-50℃(lit.) |
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Boiling point |
244℃/ 10 mmHg (lit.) |
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Qhov ntom |
1.2055 |
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Cia tej yam kev mob |
Khaws hauv qab +30℃. |
Nplaim Retardant
TPP (Triphenyl phosphate) yeej txaus siab rau daim ntawv thov dav dav raws li halogen-dawb nplaim hluav taws nyob rau hauv ntau yam khoom siv. Nws lub luag haujlwm tseem ceeb yog txhawm rau txhim kho cov nplaim taws ntawm ntau lub substrates, xws li engineering plastics thiab phenolic resin laminated boards. Los ntawm kev sib koom ua ke TPP rau hauv cov ntaub ntawv no, lawv cov nplaim taws tau txo qis heev. Qhov kev txhim kho ntawm cov nplaim hluav taws no tsis yog tsuas yog ua raws li kev loj hlob ntawm kev nyab xeeb, ntau cov ntaub ntawv zoo ib puag ncig tab sis kuj nthuav dav cov kev siv uas cov ntaub ntawv no tuaj yeem siv nyab xeeb. Los ntawm cov khoom siv tsheb mus rau cov khoom siv hluav taws xob thiab dhau mus, TPP ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev nyab xeeb thiab kev ntseeg siab ntawm ntau yam khoom.
Plasticizer
TPP ua haujlwm tsis yog tsuas yog halogen{0}}dawb nplaim taws tab sis kuj yog ib qho khoom siv yas zoo. Nws lub luag hauj lwm raws li ib tug plasticizer yog los txhim kho qhov yooj thiab processability ntawm polymers, ua rau lawv ntau yam thiab yooj yim rau kev ua hauj lwm nrog thaum lub sij hawm tsim cov txheej txheem.
Hauv kev tsim cov roj hmab hluavtaws, TPP ua haujlwm ua tus muag muag. Los ntawm kev sib koom ua ke TPP, cov roj hmab sib txuas ua softer thiab pliable, tso cai rau kev txhim kho cov yam ntxwv thiab muaj peev xwm los tsim cov duab sib txawv thiab cov qauv tsim. Qhov no ua rau TPP tshwj xeeb tshaj yog muaj txiaj ntsig zoo hauv kev tsim cov khoom siv roj hmab xws li cov log tsheb, hoses, thiab txoj siv sia, qhov yooj yim thiab kav ntev yog qhov tseem ceeb.
Cov nyhuv plasticizing ntawm TPP kuj txuas mus rau lwm cov khoom siv polymer-raws li, xws li polyvinyl chloride (PVC) thiab polyurethanes. Hauv cov ntawv thov no, TPP pab txhim kho cov khoom ntws ntawm cov polymers, ua rau lawv yooj yim rau pwm thiab extrude rau ntau yam duab thiab ntau thiab tsawg. Qhov no, nyob rau hauv lem, txhim khu tag nrho efficiency thiab productivity ntawm manufacturing txheej txheem.
Zuag qhia tag nrho, TPP ob txoj haujlwm ua haujlwm raws li cov nplaim hluav taws kub thiab cov yas ua rau nws muaj txiaj ntsig zoo ntxiv rau ntau yam khoom siv polymer-raws li, txhim kho lawv cov kev ua tau zoo thiab ntau yam hauv ntau daim ntawv thov.
Tshuaj Synthesis
Triphenyl phosphatemuaj peev xwm nyob rau hauv cov organic synthesis vim nws cov tshuaj reactivity tshwj xeeb. Ib qho tshuaj tiv thaiv tseem ceeb uas TPP tuaj yeem dhau mus yog nitration, qhov twg nws hnov mob nrog nitric acid los yog nws cov derivatives los tsim cov phenyl phosphates hloov.
Piv txwv li, TPP tuaj yeem ua nitrated los tsim tris (4-nitrophenyl) phosphate los yog tris (2,4-dinitrophenyl) phosphate. Cov phenyl phosphates hloov pauv no muaj cov tshuaj sib txawv thiab lub cev sib txawv piv rau TPP, ua rau lawv haum rau ntau yam kev siv hauv kev lag luam tshuaj.
Lub versatility ntawm TPP nyob rau hauv raws li cov kev tshwm sim tso cai rau nws ua hauj lwm raws li ib tug pib cov khoom los yog nruab nrab nyob rau hauv lub synthesis ntawm lwm yam tshuaj. Qhov no ua rau TPP muaj txiaj ntsig zoo hauv thaj chaw ntawm cov organic synthesis, qhov uas nws tuaj yeem siv los tsim ntau yam sib txuas nrog cov khoom tshwj xeeb thiab kev ua haujlwm.
Tsis tas li ntawd, lub peev xwm ntawm TPP kom dhau nitration thiab lwm yam tshuaj lom neeg cov tshuaj tiv thaiv qhia tau tias nws muaj peev xwm ua ib lub tsev thaiv nyob rau hauv cov synthesis ntawm complex molecules. Qhov no ua rau TPP yog ib qho cuab yeej muaj txiaj ntsig nyob rau hauv txhais tes ntawm cov kws tshuaj organic, uas tuaj yeem siv nws cov kev ua haujlwm los tsim thiab tsim cov khoom sib txuas tshiab nrog cov khoom tsim nyog rau cov ntawv thov tshwj xeeb.
Solvent thiab Wetting Agent
TPP lub solubility nyob rau hauv ib tug ntau yam ntawm cov organic solvents, xws li benzene, chloroform, thiab acetone, underscores nws versatility thiab nqi hluav taws xob nyob rau hauv ntau yam kev siv. Qhov solubility no ua rau TPP muaj txiaj ntsig hnyav lossis tus neeg sawv cev ntub dej hauv nws txoj cai.
Hauv kev tsim cov nitrocellulose thiab cellulose acetate, TPP ua haujlwm ob lub hom phiaj raws li ob qho tib si nplaim hluav taws-cov khoom siv retardant thiab hluav taws kub- cov kuab tshuaj tiv thaiv. Los ntawm kev sib koom ua ke TPP rau hauv cov ntaub ntawv no, cov tuam ntxhab tuaj yeem txhim kho lawv cov nplaim hluav taws thiab ua cov yam ntxwv, ua rau lawv muaj kev nyab xeeb thiab siv tau zoo dua.
Ntxiv rau kev siv cov yas thiab cov resins, TPP kuj pom daim ntawv thov ua tus neeg sawv cev ntub dej. Nws lub peev xwm los ntub thiab nkag mus rau ntau qhov chaw ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov khoom xws li nitrocellulose lacquers, hluavtaws resins, thiab cov ntaub ntawv vov tsev. Hauv cov ntawv thov no, TPP pab txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhuam, nws, TPP, nws yuav tsum tau muab tshem tawm, nws yuav tsum tau muab pov tseg.
Zuag qhia tag nrho, TPP qhov solubility hauv cov kuab tshuaj organic, ua ke nrog nws cov nplaim taws -cov khoom siv hluav taws xob thiab cov yas yas, ua rau nws muaj ntau yam thiab muaj txiaj ntsig zoo tshuaj nyob rau hauv ntau yam kev siv. Txawm hais tias yog ib qho hnyav, plasticizer, lossis tus neeg sawv cev ntub dej, TPP ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua haujlwm thiab kev nyab xeeb ntawm ntau yam khoom thiab cov khoom.
Hloov hauv Manufacturing
TPP tuaj yeem ua qhov hloov pauv rau camphor hauv kev tsim cov celluloid.
Raws li kev xaiv PPAR modulator
Tshawb nrhiav keeb kwm yav dhau
Peroxisome proliferator-activated receptor (PPAR) yog ib qho tseem ceeb ntawm cov receptor nuclear uas koom nrog kev tswj hwm ntau yam txheej txheem physiological xws li adipocytes sib txawv, insulin tsis kam, thiab inflammatory teb. Selective PPAR modulators (SPPARMs) lub hom phiaj kom khaws cov tshuaj pharmacodynamic zoo los ntawm PPAR mus rau qhov loj tshaj plaws thaum txo cov kev tsis zoo tshwm sim.
Muaj peev xwm ntawm TPP
Cov kev tshawb fawb tau pom tias TPP los yog nws cov derivatives tej zaum yuav muaj peev xwm ua tau raws li kev xaiv PPAR modulators. Txawm li cas los xij, kev tshawb fawb hauv daim teb no tseem nyob rau theem pib, thiab xav tau cov ntaub ntawv pov thawj ntau ntxiv los txhawb nws txoj kev siv.
Inducing macrophage dysfunction
Tshawb nrhiav keeb kwm yav dhau
Macrophages yog hom cell tseem ceeb hauv lub cev tiv thaiv kab mob thiab koom nrog ntau yam txheej txheem physiological xws li inflammatory teb thiab kho cov ntaub so ntswg. ERK/NF-κB taw qhia txoj hauv kev sib kho los ntawm TLR4 (Xov-zoo li receptor 4) ua lub luag haujlwm tseem ceeb hauv kev ua kom cov macrophages.
Lub luag haujlwm ntawm TPP
Cov kev tshawb fawb tau pom tias TPP tuaj yeem ua rau macrophage ua haujlwm tsis zoo los ntawm kev ua kom ERK/NF-κB txoj kev taw qhia kev sib kho los ntawm TLR4. Cov txheej txheem ntawm kev ua no tuaj yeem ua rau kev ua kom tsis zoo lossis inhibition ntawm macrophages hauv cov lus teb inflammatory, yog li cuam tshuam rau lub cev tiv thaiv kab mob thiab cov txheej txheem kho cov ntaub so ntswg. Txawm li cas los xij, kev tshawb fawb hauv cheeb tsam no tseem xav tau cov pov thawj kev sim ntxiv rau kev tshawb xyuas ntxiv thiab hauv - kev tshawb nrhiav qhov tob.
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I. Dominant Synthetic Route: Direct Thermal Process with Phosphorus Oxychloride (Core Industrial Technology)
Triphenyl phosphate(TPP) yog kev lag luam tsim khoom siv phenol thiab phosphorus oxychloride (POCl₃) ua cov khoom siv raw ntawm phosphoryl nucleophilic hloov cov tshuaj tiv thaiv. Txoj kev no suav nrog ntau dua 95% ntawm tag nrho cov peev txheej tsim khoom thiab sawv cev rau cov txheej txheem tseem ceeb. Qhov sib npaug ntawm cov tshuaj tiv thaiv yog: 3 C6H5OH + POCl3=(C6H5O) 3PO + 3 HCl
Cov txheej txheem tau muab faib ua ob hom: homogeneous alkali-catalyzed txoj kev thiab hnyav- txoj kev yaj dawb. Ob leeg yog tsim nyog rau loj -scale nruam ntau lawm, featuring npaj txhij muaj raw cov ntaub ntawv, cov txheej txheem luv luv, ib zaug los ntawm - khoom, thiab tus nqi qis tshaj kev tsim khoom.
Solvent-Txoj Kev Qhuav Dawb
Tsis tas yuav ntxiv cov kuab tshuaj organic ntxiv, xa cov haujlwm ua haujlwm tau zoo. Phenol raug them rau hauv lub siab-Reactor resistant nruab nrog nplawm, condensation thiab tsis zoo-siab acid tshem tawm units, ces rhuab mus rau 45-50℃kom tiav melting.
POCl3 yog maj mam ntxiv dropwise nyob rau hauv nruj tswj kub ntawm 20-30℃nyob rau tag nrho cov pub noj ncua sij hawm ntawm 4.5-5.5 teev. Cov tshuaj tiv thaiv tawm cov cua kub hnyav; kub tshaj 35℃yooj yim tsim mono- thiab diphenyl phosphate los ntawm- khoom, txo cov khoom purity thiab tawm los. Cov molar piv ntawm phenol rau POCl3 yog tswj ntawm 3.05–3.1: 1.
Ntxiv me ntsis ntawm phenol ua kom tag nrho cov hloov dua siab tshiab ntawm POCl3 thiab txo cov residual acidic phosphorus impurities.Tom qab dropwise ntxiv, cov sib tov yog nplawm ntawm qhov kub thiab txias rau 1 teev, tom qab los ntawm staged gradient cua sov rau strip hydrogen chloride: thawj rhuab mus rau 120℃nyob rau hauv atmospheric siab kom tshem tawm dawb HCl.
Tom qab ntawd qhov tsis zoo siab ntawm 600-680 mmHg yog siv, thiab qhov kub thiab txias tau maj mam nce mus rau 160℃thiab tuav rau 2-2.5 teev rau kev sib sib zog nqus deacidification kom txog thaum cov kua qaub ntawm crude ester poob qis dua 6 mgKOH / g. Qhov no tiv thaiv cov acidity ntau dhau hauv cov khoom tiav los ntawm corroding downstream rubber thiab yas substrates.
Alkali-Catalyzed Solvent Process
Txoj kev no feem ntau yog siv los ua kom zoo zoo siab - qib purity. Dichloromethane los yog toluene ua cov kuab tshuaj, thaum pyridine, sodium hydroxide los yog tetrabutylammonium bromide (theem hloov catalyst) ua cov kua qaub scavenger rau ntxiab hydrogen chloride.
Phenol thawj reacts nrog alkali tsim sodium phenoxide; POCl3 yog ntxiv dropwise ntawm qhov kub thiab txias ntawm 0-10 degree. Acid-base neutralization siv HCl synchronously thiab hloov qhov sib npaug mus rau cov khoom tsim, nrog rau qhov siab tshaj plaws ntawm 92%.
Qhov kub ntawm cov tshuaj tiv thaiv me me suppresses cov kev cuam tshuam sab, ua rau nws zoo tagnrho rau kev siv tshuaj thiab hluav taws xob - qib siab - purity TPP. Txawm li cas los xij, cov kauj ruam rov qab ua kom lub zog nce ntxiv thiab txwv cov huab hwm coj- teev ntau lawm.
II. Lwm Txoj Kev: Indirect Cold Process nrog Phosphorus Trichloride (Lab Me -Batch Route)
Txoj hauv kev tsis ncaj phosphorus trichloride yog ntau- cov txheej txheem hluavtaws txwv rau kev sim me me - nplai kev npaj thiab tsis tshua siv rau hauv kev tsim khoom.
Kauj Ruam 1: Phenol reacts nrog phosphorus trichloride ntawm 40℃los tsim triphenyl phosphite nrog HCl tso tawm.
Kauj Ruam 2: Lub kaw lus yog cua sov rau 70 degree, thiab cov roj chlorine tau nkag mus rau oxidize phosphorus atom, tsim ib dichlorinated TPP intermediate.
Kauj Ruam 3: Tsawg-kub hydrolysis ntawm 80℃tshem tawm cov tshuaj chlorine atoms los ua cov khoom siv raw TPP.Cov txheej txheem no siv cov roj chlorine thiab tsim cov ntsev ntau ntau - muaj cov dej khib nyiab uas yuav tsum tau kho hydrolysis.
Peb -theem workflow xav tau kev nqis peev loj hauv cov khoom siv. Cov roj chlorine yog corrosive heev, thiab cov khoom tawm los tsuas yog nce mus txog 82%–86%. Nws dais tsis muaj nqi kom zoo dua qhov ncaj qha thermal txoj kev thiab tsuas yog siv rau niche kev tshawb fawb scenarios xws li synthesis ntawm tshwj xeeb sau npe derivatives.
III. Tshaj tawm -Kev kho thiab ntxuav cov khoom Crude
ester Crude tom qab deacidification muaj impurities xws li dawb phenol, mono/diphenyl phosphate thiab inorganic ntsev, yuav tsum tau multi-theem purification.
Cov khoom seem acidic yog neutralized nrog qaug zog alkali sodium carbonate, thiab dej tsim los ntawm neutralization yog stripped ntawm 150℃nyob rau hauv lub siab tsis zoo.
Cov sib tov yog pub rau hauv lub tshuab nqus tsev rectification unit nrog lub tshuab nqus tsev tswj ntawm 1.47 kPa; cov feem distillate sau ntawm 243-245℃cais qis -boiling phenol thiab siab-polymeric impurities boiling.
Rectified distillate txias thiab solidifies rau hauv cov dawb acicular crystals. Rau ultra-siab- cov khoom siv purity, recrystallization siv ethanol- roj av ether tov kuab tshuaj tshem tawm cov kab mob muaj xim. Cov khoom tiav lawm muaj qhov ruaj khov melting point ntawm 48.4-49℃thiab purity saum toj no 99.5%, ua tau raws li siab -kawg daim ntawv thov qauv rau nplaim taws- retardant plastics thiab insulating txheej.
IV. Kev sib piv ntawm cov txheej txheem zoo & qhov tsis zoo thiab cov kev taw qhia kev ua haujlwm zoo
Core zoo ntawm cov txheej txheem thermal ncaj qha
Tsawg peb-kev tsim cov khib nyiab, lub voj voog luv luv, muaj zog sib raug zoo nrog kev tsim khoom tas mus li. Cov khoom los ntawm - cov khoom siv hydrogen chloride tuaj yeem ntxuav nrog dej los tsim cov hydrochloric acid rov ua dua tshiab, ua tiav kev siv cov peev txheej siab.
Qhov tsis zoo
Lub zog qis- qhov kub thiab txias yuav tsum tau tswj; Kev tswj qhov kub tsis zoo yooj yim ua kom qis -ester los ntawm - khoom.
Cov txheej txheem txias tsis ncaj qha ua haujlwm nyob rau hauv cov tshuaj tiv thaiv me me tab sis raug kev txom nyem los ntawm kev ua haujlwm ntev, kev siv tshuaj lom neeg loj heev thiab cov khoom tsis txaus ntseeg - tus nqi tsim khoom.
Tam sim no kev lag luam optimization tsom rau kev sib xyaw Lewis acid catalysts kom txo cov tshuaj tiv thaiv kub thiab txo lub sij hawm pub mis. Txhawb kev kaw qhov tsis zoo- lub zog tshem tawm cov kua qaub txo qis HCl emissions, txhim kho cov cuab yeej siv hluav taws xob mus rau qhov ntsuab thiab qis dua - cov pa roj carbon
FAQ
1. Lo lus nug: Cov khoom siv niaj hnub twg yog TPP feem ntau siv?
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Teb: TPP yog hom nplaim hluav taws xob thiab cov yas yas. Nws yog dav siv nyob rau hauv ntau yam khoom siv hluav taws xob thiab hluav taws xob (xws li casings thiab circuit boards ntawm lub xov tooj ntawm tes, khoos phis tawj, thiab TV), ua npuas ncauj yas hauv rooj tog, polyurethane floor mats, yas cov khoom ua si, tej yam textiles (xws li lub rooj zaum npog), thiab cov khoom siv hauv tsev. Nws tsis yog tshuaj lom neeg daim ntawv cog lus thiab yuav maj mam tso tawm raws sijhawm.
2. Lo lus nug: TPP nkag mus rau tib neeg lub cev li cas thiab muaj feem cuam tshuam rau kev noj qab haus huv?
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Teb: Txoj hauv kev tseem ceeb uas tib neeg lub cev raug TPP yog los ntawm kev noj cov plua plav sab hauv tsev (tshwj xeeb tshaj yog rau cov menyuam yaus), nkag mus rau cov khoom uas muaj TPP, thiab nqus cua hauv tsev. Cov kev tshawb fawb tau pom tias TPP muaj qhov endocrine - cuam tshuam cov nyhuv, uas tuaj yeem cuam tshuam kev ua haujlwm ntawm cov thyroid hormones thiab cov tshuaj hormones poj niam txiv neej, thiab muaj feem cuam tshuam tsis zoo rau kev loj hlob ntawm neural thiab kev loj hlob.
3. Lo lus nug: Yuav ua li cas cov neeg tau txais kev pab txo lawv cov kev cuam tshuam rau TPP?
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Teb: Cov kev ntsuas hauv qab no tuaj yeem ua tau: Ua kom huv hauv tsev los ntawm kev so thiab nqus cov plua plav ntau zaus; xyuas kom muaj cua zoo hauv chav; Thaum yuav cov khoom siv hluav taws xob, rooj tog zaum, thiab cov khoom siv rau menyuam yaus, ua ntej xaiv cov ntawv qhia meej tias "dawb halogen/phosphorus-raws li nplaim hluav taws" los yog ua tau raws li cov qauv nruj dua qub (xws li qee yam OEKO-TEX lossis Greenguard ntawv pov thawj). Txhawb nqa thiab ua tib zoo saib xyuas cov kev cai nruj ntawm cov tshuaj no.
Cim npe nrov: Triphenyl Phosphate CAS 115-86-6, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom