Triacetin kuayog ib qho organic compound nrog cov mis molecular C9H14O6 thiab CAS 102-76-1. Nws yog ib qho tsis muaj xim thiab tsis muaj ntxhiab oily kua nrog lub teeb fruity thiab qab zib meaty aroma, thiab me ntsis bitterness ntawm tsawg concentrations. Nws tuaj yeem ua rau miscible nrog cov kuab tshuaj organic xws li ethanol, ether, benzene, chloroform, thiab lwm yam, soluble hauv acetone, insoluble hauv cov roj ntxhia. Me ntsis soluble hauv dej, nrog solubility ntawm 5.9g / 100ml ntawm 25 degree. Soluble nyob rau hauv ethanol, ether, benzene, chloroform, thiab castor roj, insoluble nyob rau hauv flaxseed roj. Nws muaj peev xwm yaj nitrocellulose, cellulose acetate, acrylic resin, polyvinyl acetate, thiab lwm yam. Nws kuj muaj ib tug tej yam dissolving nyhuv ntawm ntuj rosin, tab sis nws tsis yog miscible nrog polyvinyl chloride, polystyrene, thiab chlorinated roj hmab. Nws tuaj yeem siv nyob rau hauv cov tshuaj niaj hnub cov mis nyuj, feem ntau yog fixative.
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Tshuaj Formula |
C9H14O6 |
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Exact Mass |
218 |
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Molecular Luj |
218 |
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m/z |
218 (100.0%), 219 (9.7%), 220 (1.2%) |
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Elemental Analysis |
C, 49.54; H, 6.47; O, 43.99 |
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Triacetin kua(tseem hu ua glycerol triacetate lossis triacetate glycerol ester, CAS naj npawb 102-76-1) yog cov organic compound tsim los ntawm esterification ntawm glycerol thiab acetic acid, nrog rau cov mis molecular C ₉ H ₁ O ₆. Lub cev lub cev ntawm nws cov xim tsis muaj xim thiab pob tshab oily kua, ua ke nrog zoo heev solubility, stability, thiab biocompatibility, ua rau nws ib tug "universal hnyav" uas spans thoob plaws ntau yam xws li niaj hnub tshuaj, tshuaj, zaub mov, luam yeeb, thiab kev lag luam. Tsab ntawv xov xwm no yuav txheeb xyuas nws cov kev siv ntau yam los ntawm rau qhov chaw tseem ceeb thiab nthuav tawm nws cov nqi lag luam raws li "ntsuab tshuaj ntau yam".
1. Spice fixatives thiab solvents
Glycerol triacetate yog lub hauv paus tseem ceeb hauv cov tshuaj formula txhua hnub. Nws cov yam ntxwv ntawm cov kuab tshuaj tiv thaiv tuaj yeem ua kom tsis muaj zog ntawm cov tshuaj tsw qab molecules thiab txuas ntxiv cov tshuaj tsw qab rau 4-6 teev. Nyob rau hauv naj hoom, tshuaj zawv plaub hau thiab da dej gel, 0.8% -4% ntawm cov nyiaj ntxiv tuaj yeem txhim kho qhov kev pheej hmoo thiab txheej txheej ntawm cov tshuaj tsw qab. Piv txwv li, lub thoob ntiaj teb cov tshuaj tsw qab, los ntawm optimizing tus piv ntawm glyceryl triacetate thiab coumarin, ncua lub hauv paus ntawv fragrance tuav lub sij hawm mus rau 8 teev, thiab nce nws cov lag luam sib faib los ntawm 12%.
2. Tshuaj pleev ib ce yas thiab moisturizers
Nyob rau hauv qab zib, tshuaj pleev ib ce, mem pleev di ncauj thiab lwm yam formulations, glyceryl triacetate tuaj yeem hloov cov tshuaj phthalate ester plasticizer, txo cov viscosity ntawm cov mis thaum txhim kho cov khoom ductility.
Cov ntaub ntawv sim tau pom tias cov qhab nia smoothness ntawm lub ntsej muag cream ntxiv nrog 3% triacetin nce 40%, thiab tsis muaj kev pheej hmoo ntawm pob txuv. Tsis tas li ntawd, nws cov ntsiab lus huab yog qis dua -10 degree, endowing tshuaj pleev ib ce nrog zoo heev Frost tsis kam, xyuas kom meej tias cov khoom muaj kev ruaj ntseg zoo nkauj nyob rau hauv ib puag ncig ntawm -5 degree.
3. Kev tshem tawm pleev thiab ntxuav ua haujlwm
Triglyceride triacetate muaj zog solubility nyob rau hauv cov organic sunscreens (xws li Ocroline) thiab pigment hmoov, thiab yog dav siv nyob rau hauv pleev Remover roj thiab dej. Ib hom tshuaj pleev ib ce tshem tawm cov roj ua tiav 98% tshem tawm tus nqi ntawm cov pleev qhov seem los ntawm kev ntxiv 5% glycerol triacetate, thaum txo cov cawv degreasing thiab txo qhov kev pheej hmoo ntawm daim tawv nqaij puas.
1. Cov neeg nqa tshuaj thiab cov tshuaj tua kab mob
Triacetylglycerol ester yog cov neeg nqa khoom zoo tshaj plaws rau cov tshuaj lipophilic, thiab nws cov ester daim ntawv cog lus tuaj yeem tsim cov ntawv cog lus hydrogen nrog cov tshuaj molecules, nce cov tshuaj solubility los ntawm 3-5 zaug. Hauv cov tshuaj tiv thaiv kab mob, qhov sib ntxiv ntawm 2% glycerol triacetate nce qhov kev nqus ntawm cov tshuaj los ntawm 60%, thiab txo cov kev kho mob rau onychomycosis rau 2 lub lis piam. Tsis tas li ntawd, raws li kev txhaj tshuaj solubilizer, nws tuaj yeem daws qhov teeb meem ntawm kev sib cais ntawm cov tshuaj tiv thaiv kab mob tsis sib haum xws li paclitaxel, nrog rau ib koob tshuaj solubility nce mus rau 6mg / mL.
2. Antifungal active cov khoom xyaw
Glycerol triacetate nws tus kheej muaj dav -spectrum antifungal kev ua haujlwm, nrog qhov tsawg kawg nkaus inhibitory concentration (MIC) ntawm 0.5% -1% tiv thaiv Trichophyton rubrum thiab Trichophyton rubrum.
Kev tshawb fawb soj ntsuam tau pom tias hauv kev kho mob tinea corporis nrog cov tshuaj tsuag muaj 5% glyceryl triacetate, ob lub lis piam kho tus nqi yog 89%, thiab tus nqi rov qab yog 22% qis dua li ntawm pawg ketoconazole.
3. Plasticizers rau cov ntaub ntawv kho mob
Hauv cov khoom siv kho mob xws li PVC infusion raj thiab cov hnab ntshav, triacetin tuaj yeem hloov pauv di (2-ethylhexyl) phthalate (DEHP) kom txo tau txoj kev pheej hmoo ntawm kev tsiv teb tsaws plasticizer. Kev sim tau pom tias cov kav dej PVC nrog 8% glycerol triacetate ntxiv, tom qab soaking hauv dej kub ntawm 60℃rau 72 teev, tsuas yog tsim 1/15 ntawm cov yas yas hauv pawg DEHP, uas ua tau raws li EU REACH txoj cai.
1. Khoom noj khoom haus plasticizers thiab emulsifiers
Glyceryl triacetate is the preferred food grade plasticizer, with an LD50 (median lethal dose)>5000mg / kg, thiab raug cais raws li GRAS (feem ntau suav hais tias muaj kev nyab xeeb) los ntawm FDA. Ntxiv 2% -3% rau zom cov pos hniav thiab cov qhob noom xim kasfes tuaj yeem txhim kho cov khoom yooj yim thiab tiv thaiv kev tawg. Piv txwv li, ib yam khoom ntawm cov pos hniav txhim kho zom zom zom los ntawm 30% los ntawm kev ua kom zoo dua qhov piv ntawm triacetin thiab polyethylene glycol.
2. Cov khoom ntim khoom noj khoom haus txhim kho
Raws li cov yas yas rau PVDC (polyvinylidene chloride) txheej, triacetin tuaj yeem txhim kho kev ua haujlwm ntawm cov khoom ntim khoom, txo cov pa oxygen permeability los ntawm 40%, thiab ncua lub txee lub neej ntawm cov khoom noj tshiab. Nyob rau hauv cov txheej ntawm yogurt khob, ib qho ntxiv 0.5% tuaj yeem txo cov dej vapor kis mus rau 0.5g / (m ² · 24h), mus txog kev lag luam- theem ua.
3. Pub acidifiers
Glycerol triacetate tuaj yeem maj mam tso cov acetic acid hauv cov tsiaj noj, tswj cov pH ntawm cov plab hnyuv siab raum rau 4.5-5.0, thiab inhibit qhov kev loj hlob ntawm cov kab mob phem xws li Escherichia coli thiab Salmonella. Ib qho kev sim ua liaj ua teb npua pom tau tias ntxiv 0.3% glycerol triacetate rau pub tuaj yeem txo tus npua mob raws plab los ntawm 65% thiab nce qhov hnyav txhua hnub los ntawm 12%.
Kev lag luam luam yeeb: core raw khoom rau lim plasticization
1. Lim pas plasticizing thiab curing agent
Glycerol triacetate yog "binder" siv los tsim cov lim luam yeeb. Nws muaj kev sib raug zoo nrog cov cellulose acetate fibers thiab tuaj yeem kho tau sai ntawm 80℃los tsim cov qauv lim pas nrog cov porosity. Kev thov thoob ntiaj teb txhua xyoo nce mus txog 30000 tons, suav txog ntau dua 65% ntawm cov khoom lag luam lim plasticizer. Ib lub tuam txhab luam yeeb tau ua kom zoo dua qhov piv ntawm triacetin thiab triethylene glycol diacetate, ua rau 15% nce hauv lim pas nrig hardness thiab nce siab poob stability rau ± 5Pa.
2. Ua kom pom tseeb txo thiab kev puas tsuaj txo kev ua haujlwm
Triacetylglycerol ester tuaj yeem txhim kho kev khaws cia ntawm cov lim dej rau tar thiab nicotine. Kev sim cov ntaub ntawv qhia tau hais tias ntxiv 2% triacetin glycerol ester rau lub lim tuaj yeem ua kom cov tar tuav tau los ntawm 38% mus rau 45%, thaum txo cov pa roj carbon monoxide tso tawm los ntawm 12%.
1. Coatings thiab ink solvents
Triacetin kuayog ib qho hnyav hnyav rau acrylic thiab epoxy resins, nrog tus nqi volatilization ntawm ethyl acetate thiab butyl acetate, uas tuaj yeem txhim kho qhov kev ua tau zoo ntawm cov txheej txheej. Ntxiv 10% glycerol triacetate rau thawj lub tsheb xim tuaj yeem ua rau cov xim pleev xim rau 90GU (60℃kaum sab xis) thiab ua tiav adhesion qib 0 (GB / T 9286-1998).
2. Casting hardener
Hauv cov xuab zeb casting, triacetin tuaj yeem hloov cov tshuaj polyvinyl cawv, txo lub sijhawm hardening mus rau 15 feeb, thiab nce lub zog ntawm cov xuab zeb los ntawm 30%. Ib daim ntawv thov kev tshawb fawb pom tau hais tias nws siv tuaj yeem txo qhov seem ntawm 8% mus rau 2%, txuag ntau dua 2 lab yuan hauv cov nqi txhua xyoo.
3. Diesel roj additives
Triacetylglycerol ester, raws li kev ua kom txias txias, tuaj yeem txo qhov dej ntawm cov roj diesel los ntawm 8-10℃thiab txhim kho qhov kub thiab txias fluidity. Ntxiv 0.5% glycerol triacetate rau diesel ntawm -10℃yuav smoothly pib lub cav diesel thiab txo cov pa nitrogen oxide emissions los ntawm 15%.
Frontier Technology: Kev siv lub zog tshiab thiab biomaterials
1. Electrolyte rau lithium -Ion roj teeb
Triacetylglycerol ester, raws li cov yeeb yaj kiab- tsim cov khoom ntxiv, tuaj yeem tsim cov yeeb yaj kiab SEI ruaj khov ntawm qhov tsis zoo electrode nto, txhim kho lub roj teeb lub neej. Kev sim tau pom tias ntxiv 3% glycerol triacetate electrolyte tuaj yeem ua rau kom muaj peev xwm tuav tau lithium- ion roj teeb los ntawm 82% mus rau 91% tom qab 500 cycles ntawm 1C tus nqi.
2. Biodegradable khoom plasticizers
Hauv polylactic acid (PLA) cov yeeb yaj kiab, triacetin tuaj yeem txhim kho cov khoom siv tau yooj yim, ua kom cov elongation ntawm tawg ntawm 5% mus rau 80%. Lub tuam txhab ntim cov ntawv thov qhia tias nws siv tau tuaj yeem ua rau lub zog ntawm PLA zaj duab xis ncav cuag 0.8N / μ m, ua tau raws li cov kev xav tau ntawm cov ntim khoom tshiab.
3. 3D cov ntaub ntawv txhawb nqa luam ntawv
Cov txheej txheem sib xyaw ntawm triacetin glycerol ester thiab photosensitive resin tuaj yeem ua tiav siab -kev txhawb nqa qauv luam ntawv. Qhov kev sib cais tuaj yeem tswj tau los ntawm kev kho cov ntsiab lus ntawm acetate pawg, thiab nws tuaj yeem yaj tag nrho hauv 40℃dej hauv 2 teev nrog tus nqi seem tsawg dua 0.1%.
Nws tau txais los ntawm esterification ntawm glycerol thiabtriacetin kua. Preheat glycerin rau 50-60 degree, ces ntxiv acetic acid, benzene thiab sulfuric acid. Thaum tshav kub kub, do thiab reflux rau lub cev qhuav dej, rov qab benzene tom qab lub cev qhuav dej, ntxiv acetic anhydride, thiab cua sov rau 4h. Tom qab txias, neutralize pH rau 7 nrog 5% sodium carbonate, tshem tawm cov dej txheej, thiab qhuav cov roj crude nrog calcium chloride. Distill nyob rau hauv lub siab txo thiab sau 128-131℃(0.93kPa) distillate, uas yog glycerol triacetate.
Nws yog tau los ntawm esterification ntawm acetic anhydride thiab kub glycerin thiab nqus distillation purification.
Lub invention nthuav tawm ib txoj kev npaj ntawm glyceryl triacetate, uas muaj cov hauv qab no cov kauj ruam: (1) sib tov concentrated sulfuric acid thiab activated carbon nrog pH =1 nyob rau hauv ib tug loj ratio ntawm 1:; Kauj Ruam (2) Lub catalyst npaj nyob rau hauv kauj ruam (1) yog tov nrog glycerin, acetic acid thiab dehydrating agent, rhuab mus rau 100℃~ 150℃rau cov tshuaj tiv thaiv, thiab kho kom tau glyceryl triacetate; Qhov ntim loj piv ntawm glycerol rau catalyst yog 1: (0.004 ~ 0.10). Txoj kev npaj muab los ntawm qhov kev tsim kho tau txais cov tshuaj tiv thaiv catalytic tshiab, lub sij hawm esterification luv luv li ntawm 10 teev, lub zog tau txais kev cawmdim, thiab tus nqi txo; Piv nrog rau cov concentrated sulfuric acid ua catalyst, siv cov catalyst tshiab los npaj glyceryl triacetate tuaj yeem txo cov khoom lag luam polymerization thiab ua kom cov purity ntawm 98.0% ~ 99.0% ntau dua 99.7%.
FAQ
1. Yuav ua li cas nws "qhia" lub microclimate ntawm lub tsev cia puav pheej nyob ntsiag to?
Triacetin yog "ua pa zais" ntawm cov yeeb yaj kiab acetate qub thiab qee cov kab lis kev cai txheej txheej. Nyob rau hauv cov huab cua ntub, nws dhau los ua qhov ntsiag to hydrolysis, tso cov kab ntawm acetic acid, uas ua rau "vinegar syndrome" - cov tsev khaws puav pheej suav tias yog ib qho kev ceeb toom. Los ntawm kev txheeb xyuas nws qhov kev ruaj ntseg, lawv tuaj yeem thim rov qab- tus kws ua haujlwm txhawm rau txheeb xyuas qhov sib txawv me ntsis hauv qhov kub thiab av noo ntawm lub rooj sib tham, dhau los ua cov tshuaj xa mus rau cov cuab yeej cuab tam.
2. Vim li cas nws yog qhov tsis pom kev tsav tsheb hauv qee qhov "kev kho nicotine hloov"?
Raws li cov kuab tshuaj siv tau zoo heev hauv cov roj luam yeeb hauv hluav taws xob thiab kev nqus pa ntawm qhov ncauj, Triacetin, nrog rau nws qhov nruab nrab polarity thiab qis qis qis hauv caj pas, tuaj yeem ua "tp" nicotine molecules thiab tswj lawv qhov kev tso tawm thiab kev paub txog kev paub. Lub luag haujlwm ntawm tus neeg nqa khoom zais cia no ua rau nws tsis tuaj yeem koom nrog hauv kev ua si nyuaj ntawm kev coj cwj pwm kev quav yeeb quav tshuaj thiab kev cuam tshuam tawm.
3. Yuav ua li cas nws thiaj ua tau ib tug "cuab ntxiab" rau entomologists?
Vim nws zoo heev solubility thiab sustained -tso tawm zog rau tej yam pheromones thiab attractants, Triacetin yog siv los tsim tshwj xeeb kab lure cores. Hauv kev saib xyuas thaj chaw, ib qho kev poob qis ntawm Triacetin tuaj yeem txuas ntxiv tso tawm qhov tseeb ntawm cov tshuaj tsw qab rau ob peb lub lis piam, ua cov khoom siv tshuaj tua kab mob los yog kawm txog cov kab mob ecological, rewriting txoj hmoo ntawm cov kab hauv zos.
Cim npe nrov: Triacetin kua CAS 102-76-1, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom