Vanillyl Cawv, tseem hu ua vanillin, 4-methoxy-3-methoxybenzyl cawv, lossis 4-hydroxy-3-mexybenybenzyl cawv tau los ntawm vanillin. Nws feem ntau pom tias yog xim tsis muaj kob lossis dawb crystalline khoom, soluble me ntsis hauv dej thiab soluble hauv roj. Nws muaj qab zib, cream, Phenolic, Vanilla, thiab txiv maj phaub aromas. Nyob rau hauv cov nqe lus ntawm saj, nws muaj qab zib, creamy, thiab milky flavors, nrog ib me ntsis powderery hnov. Cov tshuaj no feem ntau siv ua tus neeg sawv cev saj hauv cov khoom noj thiab dej tsw qab, txhim kho lub aromas ntawm vanilla, txiv maj phaub, cream, thiab mis nyuj. Nws yog dav siv nyob rau hauv cov khoom ci, cov khoom noj siv mis khov, cov pos hniav, jellies, pas dej, thiab lwm yam khoom. Raws li ib qho tseem ceeb raw rau cov khoom siv raw rau cov khoom siv organic, nws tuaj yeem siv los ua ke ntau yam txuj lom thiab tshuaj lom neeg zoo. Hauv thaj chaw ntawm cov tshuaj, nws kuj tseem siv los ua nruab nrab hauv cov khoom siv ntawm qee yam tshuaj. Cov kab sib txuas no tseem siv nyob rau hauv kev tshawb fawb kev tshawb fawb xws li cov ntsiab lus kev txiav txim siab, kev sim ua si, thiab cov kev sim kws tshuaj, thiab kws tshuaj.
Cov ntaub ntawv ntxiv ntawm kev sib txuas lus:
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Tshuaj Cov Qauv |
C8H10O3 |
|
Muaj pes tsawg leej |
154.06 |
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Molecular hnyav |
154.17 |
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m/z |
154.06 (100.0%), 155.07 (8.7%) |
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Kev Ntsuam Xyuas |
C, 62.33; H, 6.54; O, 31.13 |
|
Melting taw tes |
110-117 Qib (Lit.) |
|
Kub taw tes |
237.52 Qib (Kwv yees nko) |
|
Ceev |
1.1690 (ntxhib kwv yees) |
|
|
|
Vanillyl cawv,Cov tshuaj lom neeg lub npe yog 4-hydroxy-3-methoxybenzyl cawv, tseem hu ua vanillin lossis vanilol, uas yog ib qho tseem ceeb phenolic compound. Nws tus lej CAS yog 498-00-0, molecular tus qauv yog c8h10o3, thiab molecular hnyav yog 154.16 g / mol. Canilla Cawv muaj cim cov yam ntxwv tsw qab xws li qab zib, creamy, Phenolic, Vanilla, thiab txiv maj phaub, uas ua rau nws dav siv hauv ntau thaj teb. Cov hauv qab no yog cov lus qhia ntxaws ntxaws ntawm nws qhov kev siv:
Cais dej cawv tsuas yog siv los ua tus neeg sawv cev saj hauv cov zaub mov thiab dej tsw qab xws li vanilla, txiv maj phaub, cream rau cov khoom. Cov compound no tuaj yeem txhim kho cov khoom noj zoo, ua rau nws raug ntxias ntau. Canillin Cawv yog ib qho kev sib txawv hauv cov khoom ci, cov khoom noj siv mis khov, cov pa taws, jelldings, thiab dej qab zib. Qhov kev sib tw ntawm vanilla tuaj yeem ua cov khoom ci xws li mov ci thiab ncuav ci ntsa iab ua rau lub ntsej muag tsw qab qub, txhim kho cov neeg siv khoom noj khoom haus. Cov tshuaj no ib txwm yog 6 txog 12 milligrams ib phaus khoom. Ntxiv cov dej vanilla mus rau cov khoom noj mis nyuj khov xws li cov khoom noj mis nyuj khov thiab dej khov tuaj yeem muab cov khoom lag luam khov thiab vanilla arba, nce qib vanoma, nce qib qab ntawm cov khoom. Qhov nyiaj ntxiv yog muaj 6 txog 12 milligrams ib phaus khoom. Qab zib thiab creamy aroma ntawm vanilla dej cawv txig txig ua raws cov khoom qab zib thiab cov pos hniav, txhim kho tag nrho cov khoom saj txhua yam. Cov tshuaj no ib txwm yog 6 txog 12 milligrams ib phaus khoom. Tom qab kev haus cawv ntxiv rau cov khoom qab zib no, lub aroma ua kom hnyav dua thiab saj ua nplua nuj. Cov tshuaj no ib txwm yog 4.75 txog 12 milligrams ib phaus ntawm cov khoom. Kev haus dej vanilla tseem yog ib qho ntawm cov khoom siv uas ib txwm siv hauv cov dej qab zib, uas tuaj yeem nqa tus ntxhiab thiab saj rau cov dej haus. Cov tshuaj no ib txwm yog 6 txog 12 milligrams ib phaus khoom.
Organic synthesis thiab cov chaw muag khoom nruab nrab
Canillin Cawv, ua ib qho tseem ceeb hauv cov khoom siv hluav taws xob hauv nruab nrab, muaj ntau cov ntawv thov hauv cov tshuaj thiab cov chaw muag tshuaj. Nws tuaj yeem siv ntau yam sib xyaw nrog cov haujlwm tshwj xeeb los ntawm cov khoom siv tshuaj tsw qab rau kev txhim kho cov tshuaj tshiab thiab cov khoom siv tshuaj lom neeg. Nws cov qauv muaj cov pab pawg ua haujlwm xws li phenolic hydroxyl thiab methoxy, uas tuaj yeem koom nrog cov qauv etoric nrog cov qauv cov qauv thiab cov haujlwm tshwj xeeb. Cov tebchaw muaj ntau cov ntawv thov hauv cov ntaub ntawv txuj ci, tshuaj tua kab, zas, thiab lwm thaj teb. Vanillin kuj tseem yog qhov tseem ceeb hauv nruab nrab hauv kev sib xyaw ntawm ntau yam tshuaj. Los ntawm kev hloov kho thiab hloov kho nws cov qauv, yeeb tshuaj molecules nrog cov chaw muag tshuaj tshwj xeeb tuaj yeem suav ua ke. Cov tshuaj no ua lub luag haujlwm tseem ceeb hauv kev kho cov kab mob plawv, kev tsis sib haum xeeb, qog, thiab lwm yam mob.
Canillin Cawv kuj ua lub luag haujlwm tseem ceeb hauv kev tshawb nrhiav thiab txheej txheem kev txhim kho. Nws tsis tuaj yeem siv los ua cov khoom siv raw rau cov tshuaj synthic thiab yeeb tshuaj, tab sis kuj yog rau kev sim tshuaj ntau roj ntsha thiab cov kev sim tshuaj ntsiav tshuaj. Canillin Cawv muaj ntau yam kev ua si, xws li kev tiv thaiv kev tiv thaiv, anticonvulsant, antio ant 2 { Cov haujlwm no ua rau nws tau siv tau dav nyob rau hauv kev sim biological. Piv txwv li, hauv kev sim ntawm tes, Vanillin tuaj yeem siv los kawm txog kev coj tus cwj pwm ntawm tes xws li kev muaj peev xwm ntawm tes, agoptosis, thiab tsiv teb tsaws chaw; Hauv kev sim tsiaj, Vanillin tuaj yeem siv los ntsuas nws cov khoom noj tshuaj ntawm cov tshuaj thiab tshuaj lom. Cancinin Cais Cuav kuj tseem siv tau hauv cov kws sim tshuaj hauv chaw kws tshuaj tshuaj los ntsuas nws cov peev xwm ua yeeb tshuaj. Hauv kev sim kws tshuaj txuj ci, cov kws tshawb nrhiav tuaj yeem hloov kho thiab hloov kho cov tshuaj vanillin los txhim kho cov tshuaj tshiab thiab muaj kev ua tau zoo dua.
Kev saib xyuas tus kheej thiab cov khoom lag luam roj & lwm cov ntawv thov
Cancinin Cawv siv tau los ua ib qho ntawm cov ntxiv hauv cov khoom tseem ceeb hauv cov khoom siv roj, ntxiv cov teebmeem aromoma thiab kho kom zoo nkauj rau cov khoom. Piv txwv li, ntxiv cov vanillin rau lavender tseem ceeb roj, tshuaj yej tsob ntoo tseem ceeb ntawm cov khoom lag luam, tab sis kuj txhim kho lawv cov anti-}} Cov tshuaj tiv thaiv, antioxidant thiab lwm yam kev ua ub no. Cais Cwj Cawv kuj tseem siv tau rau hauv cov khoom lag luam saib xyuas xws li tshuaj zawv plaub hau, da dej gel, thiab cov khoom sib txawv. Ntxiv cov dej vanilla mus rau cov khoom lag luam no tuaj yeem ua rau daim tawv nqaij smooth thiab muag muag ntau dua, thiab cov plaub hau smoother thiab ci ntsa iab. Lub caij no, antioxidant thiab anti anti - Kev ua dej cawv ntawm vanilla dej cawv kuj pab tiv thaiv cov tawv nqaij thiab plaub hau ntawm ib puag ncig ib puag ncig. Canillin Cawv yog ib qho ntawm cov khoom tseem ceeb hauv kev lag luam txuj lom. Nws tuaj yeem siv los sib tov ntau hom thiab txuj lom los muab cov yeeb yaj kiab txawv rau cov khoom noj, dej haus, tshuaj pleev ib ce, tshuaj pleev ib ce thiab lwm yam khoom. Ntxiv cov dej caw vanilla mus rau cov khoom haus luam yeeb tuaj yeem txhim kho lawv cov neeg haus luam yeeb zoo thiab muab cov neeg haus luam yeeb zoo dua. Txawm li cas los xij, nws yuav tsum raug muab tso cai rau kev haus luam yeeb yog kev phom sij rau kev noj qab haus huv thiab kev haus luam yeeb yuav tsum tau txo qis ntau li ntau tau. Cancillin Cawv kuj tseem siv tau los ua cov qauv lossis siv tshuaj hauv cov tshuaj annalytical rau qhov siv tau thiab ua kom zoo ntawm cov txheej txheem analytical.
Synthesis thiab cov khoom ntawm cov dej vanillyl raws li cov khoom siv dielectric siab
Nrog rau kev txhim kho sai sai xws li 5g kev sib txuas lus, thiab lub zog ruaj khov, qhov kev thov ntawm cov ntaub ntawv Dielectric yog ua kom muaj zog zuj zus. Cov ntaub ntawv Dielectric xws li Barium Titanate (PVDF) muaj teeb meem siab, tab sis lawv tau muaj teeb meem siab xws li kev poob siab, lossis tsis muaj tseeb. Yog li ntawd, kev txhim kho cov ntaub ntawv di ncauj tshiab uas ua ke kom tsis muaj zog, thiab cov neeg siv tshuab cov khoom siv hluav taws xob zoo, thiab cov neeg siv tshuab yooj yim tau dhau los ua cov kev tshawb nrhiav hotspot.Vanillyl Cawv(4 {{{4 4}} hydroxy-}}} Tus lej me 398-00-0) yog cov phenolic phenolic compound tau txais los ntawm kev txo qis vanillin. Nws cov qauv molecular muaj ib pab pawg phenolloyl (- Oh) thiab cov methoxy pab pawg (- α) Kev tshawb fawb tau pom tias cov pab pawg phenhologym ntawm cov pa taws sib xyaw ua ke, yog tswj cov tshuaj tua pov tseg, yog li cuam tshuam nrog cov khoom noj khoom haus dielectric ntawm cov khoom. Ib qho ntxiv, nws muaj biocompatibility, tsawg toxicity, thiab kev tsis taus, uas yog nyob rau hauv kab kev txhim kho ntawm Green Chemistry.
Tshuaj Txhuam Kev Kho Mob
Kev hloov kho tshuaj lom neeg raug ua tiav los ntawm kev qhia cov pab pawg ua haujlwm lossis cov qauv network thiab cov qauv kev haus dej vanillyl, yog li ua kom zoo tshaj plaws cov khoom diilrical.
Esterification / Etherification cov tshuaj tiv thaiv
Los ntawm esterification lossis etherification cov tshuaj tiv thaiv, cov phenholog hydroxyl pawg ntawm cov roj av vanillyl, uas tuaj yeem hloov kho cov molecular thiab crosslinking ceev. Piv txwv li, los ntawm kev tso tawm vanillyl cawv nrog acrylic ester los npaj tas li yog mus txog 10-15, thaum tswj hwm qis dielectric ploj (tan Δ<0.02).
Crosslinking cov tshuaj tiv thaiv
Qhia nthuav qhia cov neeg sawv cev sib xyaw (xws li ntau ntau yam {{{- Dagnectional Network qauv, thiab txo cov moleceries saw kev ploj, thiab txo cov kab hlau txav, thiab txo cov dielectric poob. Piv txwv li, PVDF raws li composites npaj nrog tus neeg saib xyuas vanillink yog tus neeg sawv cev rau 25-30 thiab ib dielectric uas tsis txo qis rau hauv qab 0.05.
Kev sib xyaw thiab cov qauv sib xyaw
Blending Composite yog cov txheej txheem ntawm kev sib xyaw kua vaniller nrog polymer matrix lossis nanofiller los txhim kho cov khoom noj khoom haus dielle los ntawm interfacial polarization.
Polymer Raws Li Cov Ntaub Ntawv
Blending Vanillyl Cawv nrog cov pab pawg neeg vanoxyl los tsim cov phenolyl pawg los yog pervogen lossis tshuaj lom neeg nrog cov polymer nrog cov polymer sib xyaw nrog cov polymer nrog cov polymer sib xyaw ua ke, txhim kho interfacial compatibility. Piv txwv li, tus dityectric constant ntawm PVDF / Vanillyl Cheepection cov khoom tau txog 40 ntawm 1 KHz, nrog kev poob ntawm kev poob ntawm 0.1.
Nanofiller Composite
Cov lus qhia ntawm High Dielectric constant nanofillers xws li barium tentabes (batio3) thiab carbon nanotubes (CNT) tuaj yeem txhim kho cov khoom dieleces (CNT) tuaj yeem txhim kho cov khoom ntawm daim dikas. Cov pab pawg venolloyl ntawm cov roj av vanillyl? Piv txwv li, PVDF cov khoom siv pvdf muaj cov khoom muaj roj
Molecular tus kheej -} sib dhos txoj kev
Molecular tus kheej -}}} Kev sib xyaw ntawm cov neeg vanillyling thiab} Π sib nraus cov qauv thiab ua kom zoo tshaj plaws diilectric zog. Piv txwv, los ntawm Inducing Vanillyl Cwj Chem {}}}}}}} atingtant tuaj yeem ncav cuag 20 thaum tswj hwm qis dielectric ploj (tan Δ<0.03).
Cim npe nrov: Vanillyl Cawv Cas 498-00-0, tus neeg tsim khoom, chaw tsim khoom, Hoobkas, lag luam, yuav, nqe, loj, rau muag