C12-15 cawv benzoateyog ib qho khoom siv feem ntau hauv cov tshuaj pleev ib ce thiab cov khoom tu tus kheej, nrog rau cov haujlwm hauv qab no:
1.Emulsifier: C12-15 cawv benzoate tuaj yeem pab sib tov dej thiab roj cov khoom xyaw, ua rau cov tshuaj pleev ib ce thiab cov khoom tu tawv nqaij yooj yim rau kev thov thiab nqus.
Moisturizing agent: Nws muaj cov khoom moisturizing uas tuaj yeem pab cov tawv nqaij khaws cov dej noo, tiv thaiv dryness thiab roughness.
Softener: C12-15 cawv benzoate tuaj yeem ua rau daim tawv nqaij thiab plaub hau softer thiab smoother, txo frizz thiab hluav taws xob zoo li qub.
Stabilizer: Nws tuaj yeem pab tswj cov qauv ntawm cov tshuaj pleev ib ce thiab cov khoom tu tawv nqaij, ua kom lub neej txee ntawm cov khoom.
Cov kuab tshuaj: C12-15 cawv benzoate tuaj yeem siv los ua cov kuab tshuaj los pab lwm cov khoom xyaw sib xyaw ua ke, txhim kho cov khoom ruaj khov thiab kev ntxhib los mos.
Zuag qhia tag nrho, C12-15 cawv benzoate ua si ntau lub luag haujlwm tseem ceeb hauv cov tshuaj pleev ib ce thiab cov khoom tu tus kheej, ua rau lawv yooj yim siv, xis nyob, thiab siv tau zoo dua.
2.Cov kev kuaj xyuas rau C12-15 cawv benzoate feem ntau suav nrog cov hauv qab no:
Gas chromatography-mass spectrometry (GC-MS): Sib cais C 12-15 cawv benzoate esters hauv cov qauv los ntawm cov roj chromatography, thiab tom qab ntawd ua qhov kev soj ntsuam zoo thiab ntau yam los ntawm huab hwm coj spectrometry.
Kev ua haujlwm siab ua kua chromatography fluorescence nrhiav kom tau (HPLC-FLD): Kev ua haujlwm siab ua kua chromatography yog siv los cais C12-15 cawv benzoate esters hauv cov qauv, thiab tom qab ntawd kev soj ntsuam zoo thiab ntau yog ua los ntawm kev siv lub tshuab fluorescence.
UV Visible spectrophotometry (UV Vis): Kev soj ntsuam zoo thiab ntau ntawm C12-15 cawv benzoate hauv cov qauv yog ua los ntawm UV Vis spectrophotometric.
Nuclear Magnetic Resonance (NMR): Cov qauv thiab ntau qhov kev soj ntsuam ntawm C12-15 cawv benzoate esters hauv cov qauv siv NMR thev naus laus zis.
Cov saum toj no feem ntau siv txoj kev tshawb nrhiav, thiab cov kev xaiv tshwj xeeb yog nyob ntawm cov khoom siv hauv chav kuaj thiab cov kev xav tau tsom xam.
3.C12-15 cawv benzoate yog ib yam khoom siv tshuaj lom neeg, feem ntau yog siv los ua plasticizer, hnyav, thiab tsw qab. Thaum siv cov khoom, nws yog ib qho tsim nyog yuav tau xav txog nws cov teeb meem kev nyab xeeb. Nov yog qee yam hais txog kev nyab xeeb ntawm C12-15 cawv benzoate khoom:
Toxicity: C12-15 cawv benzoate tej zaum yuav muaj tshuaj lom rau tib neeg lub cev ntawm qee qhov concentrations, tshwj xeeb tshaj yog raug rau lub sij hawm ntev los yog siab concentration yuav ua rau muaj teeb meem kev noj qab haus huv. Yog li ntawd, kev siv hauv cov khoom lag luam yuav tsum ua raws li cov cai thiab cov qauv tsim nyog kom ntseeg tau tias nws cov tshuaj toxicity nyob rau hauv ib qho kev pom zoo.
Allergenicity: C12-15 cawv benzoate tuaj yeem ua rau tawv nqaij ua xua, thiab cov neeg rhiab yuav tsum tsis txhob sib cuag. Kev siv cov khoom yuav tsum xav txog cov teeb meem rhiab heev kom tsis txhob muaj kev cuam tshuam rau cov neeg siv.
Kev cuam tshuam ib puag ncig: C12-15 cawv benzoate tej zaum yuav muaj kev cuam tshuam tsis zoo rau ib puag ncig, xws li toxicity rau cov kab mob hauv dej, bioaccumululation, thiab lwm yam. Ib puag ncig yuav tsum tau txiav txim siab hauv cov khoom tsim thiab kev tsim khoom, thiab cov kev ntsuas sib xws yuav tsum tau coj los txo qhov cuam tshuam rau ib puag ncig.
Lwm txoj hauv kev: Xav txog cov teeb meem kev nyab xeeb ntawm C12-15 cawv benzoate, qee lub tuam txhab tau pib tshawb nrhiav lwm txoj hauv kev los txo cov kev pheej hmoo. Kev xaiv kev nyab xeeb dua tuaj yeem txhim kho kev nyab xeeb ntawm cov khoom.
Zuag qhia tag nrho, hais txog cov teeb meem kev nyab xeeb ntawm C12-15 cawv benzoate cov khoom lag luam, cov tuam txhab lag luam yuav tsum ua raws li cov cai thiab cov qauv tsim nyog, ua kom cov khoom muaj kev nyab xeeb, thiab nrhiav kev nyab xeeb dua yog tias ua tau. Cov neeg siv khoom yuav tsum tau saib xyuas cov khoom xyaw thiab cov teeb meem kev nyab xeeb thaum xaiv thiab siv cov khoom.
Yolanda
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