Octoonrylene kuayog cov organic sib xyaw nrog cov tshuaj c24h27No2 thiab cas 6197-30-4. Nws yog cov roj soluble kua thiab cov roj soluble UV absorber, feem ntau tsis muaj xim lossis lub teeb daj. Insoluble hauv dej, tab sis soluble hauv roj thiab lwm yam kuab tshuaj organic. Pab tshem tawm lwm cov roj soluble cov khoom tiv thaiv hnub ci. Nws muaj qhov zoo xws li kev nqus tus nqi siab, tsis muaj txiaj ntsig, tsis muaj Teratogenic cov nyhuv, thiab lub teeb zoo thiab ua kom ruaj khov. Tuaj yeem nqus tau UV-B thiab ib qho me me ntawm UV-A. Nws yog FDA pom zoo chav kawm kuv cov tshuaj pleev thaiv hnub nrog cov nqi siab hauv Tebchaws Meskas thiab Tebchaws Europe. Nws yog siv los ua UV absorber rau cov plastics, txheej, thiab dyes.
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Tshuaj Cov Qauv |
C24h27No2 |
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Muaj pes tsawg leej |
361 |
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Molecular hnyav |
361 |
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m/z |
361 (100.0%), 362 (26.0%), 363 (2.7%) |
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Kev Ntsuam Xyuas |
C, 79.74; H, 7.53; N, 3.87; O, 8.85 |
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Melting taw tes - 10 degree c (lit. Density 1.051 G /} {degree C, morphological tshiav, InchikyFMBSMBSBQSBQSBQSBQSBSBL-UHFFFAOYSA-N, Kev Nyab Xeeb Qeb 52, Kev Nyab Xeeb}
Peb yog tus xa khoom ntawmOctoonrylene kua.
Nco: Bloom Tech (Txij xyoo 2008), ua tiav chem-tech yog peb cov neeg pabcuam.
Cov lus qhia luv luv ntawm kev npaj ntawm kev npaj ntawm oxytetraccocline los ntawm supercritical carbon dioxide yog raws li hauv qab no:
Tshuaj Muaj Tshuaj:
C2H4+H2O2 → C2H4O+H2O
Cov mob tshwm sim: kub, muaj siab siab, muaj ntawm catalyst
1. Npaj raw khoom siv:
-Ethylene (c2H4)
-Hydrogen peroxide (h2O2)
-Suscritical carbon dioxide (CO2)
2. Cov ntsiab lus ntawm cov kauj ruam:
a. Sib tov ethylene thiab hydrogen peroxide nyob rau hauv ib qho kev sib piv molar uas tsim nyog thiab ntxiv rau lawv rau lub nkoj tiv thaiv.
b. Nyob rau hauv kev kub siab, carbon dioxide roj ntxiv rau lub reactor kom ncav cuag lub xeev supercritical.
c. Cov tshuaj tiv thaiv yog nqa tawm hauv qab qhov kub thiab cov kev mob siab, siv cov catalysts tsim nyog (xws li cov hlau ua hlau lossis ionic) los txhawb kev nce qib ntawm epoxidation. Cov tshuaj tiv thaiv feem ntau yuav tsum muaj qee lub sijhawm ua tiav.
3. Kev ua kom huv thiab sib cais:
d. Tom qab cov tshuaj tiv thaiv tau ua tiav, cov pa roj carbon dioxide raug tshem tawm los ntawm cov tshuaj tiv thaiv kev tiv thaiv los ntawm kev txo qhov kub kom tau txais cov khoom ntawm Aucklin.
e. Kev ua kom huv thiab kev sib cais ntawm cov khoom tuaj yeem ua tiav los ntawm kev siv cov fractionation tsim nyog los yog crystallizents cov tswv yim kom tau txais high-purity oxytetracline.
Synthetic octocrylene: cyOnacetic acid yog esterified kua qaub yog esterified nrog isooctanol nyob rau hauv catalyyol nyob rau hauv lub catalyyol nyob rau hauv lub catalysis ntawm p-toluenesulfonic acid; Cov tshuaj estenerification tau txias thiab lim ntawm 10 degree thiab catalyst ammonium acetate tau ntxiv rau cov tshuaj tiv thaiv Knoevenagel; Cov khoom tsaus tau tau los ntawm kev kho mob tom qab. Lub teeb pom kev daj ua daj tau npaj tau tom qab pom kev thiab decolorization los ntawm silica gel txheej. Tag nrho cov txiaj ntsig yog 86% (raws li kev noj tiag tiag ntawm isooctanol). Lub purity yog 99% Oakelin yog siv los ua tshuaj pleev thaiv cov tshuaj pleev thiab cov tawv nqaij, nrog kev pheej hmoo ntawm 3. Nws kuj muaj kev nyab xeeb thiab siv tau kev nyab xeeb. Nws feem ntau muaj tsis muaj kev cuam tshuam rau cov poj niam cev xeeb tub, thiab tus niam txiv tsis yog pob txuv. Sunscreen nrog kev nqus wavelength ntawm 290-340 nm yog txheem. Txawm li cas los xij, txawm hais tias nws yog UVA lossis UVB, nws tsis tuaj yeem mus txog tag nrho cov pawg thiab tsuas tiv thaiv ib feem ntawm nws. Yog li ntawd, nws tsis tuaj yeem siv ib leeg hauv cov tshuaj pleev thaiv hnub. Nws yog feem ntau siv nrog lwm cov neeg sawv cev ntawm SunScreen kom ua tiav cov SPF siab dua. Txawm li cas los xij, octocrylene yuav tso oxygen dawb radicals thaum raug rau lub hnub; Nws raug nquahu kom siv hom tshuaj tiv thaiv no nrog VC antioxidant ua ntej siv nws. Cov tshuaj lom neeg muaj kev nyab xeeb zoo, tsis muaj kev txob siab, thiab haum tawv nqaij tawv. Kev cai hauv tsev txwv tsis pub tshaj ntxiv ntxiv rau 10%.
Hauv qab no yog cov ncauj lus ntxaws ntxaws thiab coj cov tshuaj sib txig sib luag rau cov khoom siv tshuaj pleev ib ce Oxytetracline los ntawm Octyl Cyanacetate thiab Benzophenone:
Tshuaj Muaj Tshuaj:
C8H15Ocn + c13H10O → C21H20O2+C8H15N
Cov kev mob tshwm sim: Ua raws li cov kev mob alkaline, uas yuav tsum muaj ntawm cov catalyst
-Yananetate ockty ester (c8H15Ocn)
-Benzopenone (C13H10O)
a. Sib tov ictyl cyanacetate thiab benzophenone hauv kev sib piv ntawm cov tshuaj tua hniav thiab ntxiv rau cov tshuaj tiv thaiv flask.
b. Ntxiv cov catalysts rau cov kuab tshuaj tsim nyog, feem ntau siv catalalys suav nrog anhydrous sodium ethanol tov lossis sodium methanol tov los yog sodium methanol tov hauv alkaline tej yam kev mob.
c. Foob lub raj mis tawm thiab ua kom sov rau qhov ntsuas kub tsim nyog, feem ntau xav tau kev sib txuas thaum lub sijhawm cov txheej txheem kev tawm tsam los txhim kho cov tshuaj tiv thaiv kev ua tau zoo.
d. Tom qab ib lub sijhawm ntawm lub sijhawm, cov txheej txheem kev tawm tsam tuaj yeem kuaj pom los ntawm kev kuaj, siv cov qauv chromatography (TLC) lossis roj chromatography (GC).
e. Tom qab cov tshuaj tiv thaiv tau ua tiav, cov khoom lag luam yog huv thiab sib cais los ntawm cov tshuaj tiv thaiv sib xyaw los ntawm cov txheej txheem sib txawv lossis cov hau kev tawm tsam.
f. Crystallization lossis recrystallization ntawm cov khoom tau Aucklin yog nqa tawm txhawm rau txhim kho cov khoom huv ntawm cov khoom.
Octoonrylene kua, tseem hu ua 2-}}}}}}} dipubletracrylate} doluble ultraviolet absidber dav siv nyob rau hauv ntau thaj teb.
Tshuaj pleev ib ce teb
Nyob rau hauv thaj teb ntawm cov tshuaj pleev ib ce, nws yog tsuas yog siv los ua cov tshuaj pleev thaiv hnub. Nws tuaj yeem nqus Uvb ({280-320}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} {1}} Kev tiv thaiv cov tawv nqaij los ntawm UV puas.
Cov khoom lag luam tsom iav: feem ntau ua ke nrog inorganic sunscreen cov neeg sawv cev thiab zinc oxide kom txhim kho lub hnub (hnub tiv thaiv qib) muaj nuj nqis ntawm cov khoom tiv thaiv cov tshuaj pleev thaiv hnub. Piv txwv li, ntxiv {{2-10% eucaltol mus rau Sunscentscreen tuaj yeem txhim kho cov nyhuv tiv thaiv cov khoom.
Cov mis ua synergy: nws tseem tuaj yeem ruaj lwm qhov yooj yim decomposable uvodenzone, tiv thaiv lawv los ntawm kev ua tsis muaj txiaj ntsig nyob rau hauv lub neej ntawm cov khoom lag luam tiv thaiv hnub tiv thaiv cov khoom.
Kev Nyab Xeeb: Ob European Union thiab Asmeskas FDA tau txais kev pom zoo eucalyptol ua ib chav kuv tsom iav, xav tias nws muaj kev nyab xeeb ntawm kev siv cov kev siv ntau. Txawm li cas los xij, qee cov kev tshawb fawb qhia tau tias cov khoom siv ullames siab yuav ua cov oxygen hom nyob rau hauv tshav ntuj raug, uas tau raug suav hais tias yog ib qho ntawm kev laus tawv nqaij. Yog li ntawd, hauv kev siv cov ntawv thov, nws yog qhov tsim nyog los tswj ntxiv kev txhawj xeeb ntawm eucalyptus (feem ntau tsawg dua lossis sib npaug ntawm cov khoom lag luam.
Kho tsev kho mob
Hauv thaj chaw ntawm cov tshuaj, eucalyptol thiab nws cov derivatives feem ntau yog siv hauv cov tshuaj synthesis thiab hauv zos yeeb tshuaj.
Kev siv yeeb tshuaj sib txuas lus: yog qhov tseem ceeb intermediates rau stertiving ntau yam hauv kev npaj cov txheej txheem ntawm antiviral, antiCancer, tiv thaiv mob thiab lwm yam tshuaj. Piv txwv li, nws cov derivatives tuaj yeem siv los siv tshuaj tiv thaiv kabmob anti kabmob lossis cov neeg sawv cev quav.
Kev npaj hauv zos: raws li UV lim, nws tuaj yeem siv hauv cov tshuaj pleev xim rau cov nqaij tawv los tiv thaiv cov tawv nqaij los ntawm UV kev tsim tawm thiab txhim kho kev kho cov nyhuv ntawm cov tshuaj.
Muaj Cov Ntawv Thov
Nyob rau hauv kev teb cov teb, nws yog tsuas yog siv los ua UV absorber rau cov ntaub ntawv xws li plastics, txheej, tuag, thiab lwm yam.
Cov plastics thiab txheej: tuaj yeem siv rau hauv cov ntaub ntawv xws li PVC sol, polyurethane, txheej, thiab lwm yam los tiv thaiv kev laus vim yog lub teeb pom kev. Piv txwv li, ntxiv eucalyptus mus ua liaj ua teb yas tuaj yeem txuas ntxiv cov kev pabcuam lub neej ntawm zaj duab xis, txhim kho cov qoob loo, txhim kho cov qoob loo tawm thiab zoo.
Dyes thiab txuj lom: lub derivatives ntawm Aucklylin tuaj yeem siv los tsim cov kua qaub kua qaub thiab cov ntsiab lus kom tau raws li cov kev xav tau ntawm cov khoom noj thiab cov tshuaj pleev ib ce.
Kev caw ua liaj ua teb
Hauv kev ua liaj ua teb
Tshuaj Tshuaj Xub Zog: eucalyptol thiab nws cov tshuaj lom muaj cov tshuaj zoo, cov kab mob bactericidal, thiab yog cov khoom siv raw tseem ceeb rau cov tshuaj tua kab. Cov tshuaj tua kab no tuaj yeem tiv thaiv thiab tswj cov kab mob qoob loo thiab cov kab tsuag, txhim kho cov qoob loo zoo thiab muaj txiaj ntsig zoo rau kev nyab xeeb zaub mov kev ruaj ntseg.
Dab tsi yog qhov txawv ntawm cov compound no thiab titanium dioxide?
Cov ntsiab cai lub hnub sib txawv
Octocrylene: Nws zwm rau cov tshuaj lom zem cov tshuaj lom zem uas ua tiav lub hnub tiv thaiv los ntawm kev nqus cov khoom siv ultraviolet. Nws tsuas yog nqus Uva thiab UVB wavelengths nruab nrab ntawm {{}} nanometers, yog li tsis tuaj yeem them rau lwm lub hnub tiv thaiv SUNSCreen kom ua tiav qhov kev tiv thaiv hnub ua haujlwm siab dua.
Titanium Dioxide: Lub cev tsooscreen uas txo cov tawv nqaij los ntawm kev sib sau cov tawv nqaij tiv thaiv ntawm cov tawv nqaij thiab cuam tshuam, kho cov roj av ultraviolet. Lub cev tiv thaiv lub cev feem ntau muab kev tiv thaiv dav dav tiv thaiv UVA thiab UVB rays.
Cov yam ntxwv sib txawv
Octocrylene: Nws yog cov roj soluble tshuaj tsom iav nrog cov tawv nqaij tsawg kawg, thiab cov kev txwv ntau npaum li cas los ntawm kev coj noj coj ua hauv tsev thiab EU ntawm 10%.
Titanium Dioxide: Nws yog ib qho inorganic particle nrog siab egenctive index thiab kev tiv thaiv lub hnub tiv thaiv lub hnub muaj feem cuam tshuam nrog nws qhov loj me. Thaum cov particle loj loj yog qhov loj, nws yog kev qhia thiab cov teeb meem ultraviolet rays; Thaum cov particle loj me me zuj zus, qhov nqus ntawm ultraviolet hluav taws xob hluav taws xob hauv nruab nrab yoj cheeb tsam yog txhim kho.
Cov teebmeem kev siv sib txawv
Octocrylene: Vim nws tsis muaj peev xwm them tag nrho cov spectrum, nws yog feem ntau tsim nyog siv nws ua ke nrog lwm lub hnub ci tiv thaiv kev tiv thaiv. Ib qho ntxiv, raug rau lub hnub ci yuav tso o opygen dawb radicals, yog li nws pom zoo kom siv nws ua ke nrog cov tshuaj tua kab mob antioxidants.
Titanium Dioxide: Raws li lub cev tsooscreen,Octoonrylene kuamuaj kev nyab xeeb thiab muaj zog ruaj khov, thiab tuaj yeem siv tam sim rau lub hnub tiv thaiv tsis tau tos. Tab sis cov kev ntxhib los mos yuav tshwm me ntsis tuab, thiab thaum ua ntawv thov rau saum npoo ntawm daim tawv nqaij, nws tuaj yeem yooj yim lem dawb thiab clog pores.
Cim npe nrov: Octocrylene kua ua hauj lwm? 6197-30-4, cov chaw muag khoom, chaw tsim khoom, Hoobkas, lag luam, yuav, nqi, loj, rau muag