Hydroxyethylcellulose (HEC) yog non-ionic dej-soluble polymer dav siv hauv cov khoom tu tawv nqaij. Raws li kev hloov kho cellulose, hydroxyethylcellulose qhia ethoxy pawg rau hauv cov cellulose ntuj molecular saw kom nws muaj cov dej solubility zoo thiab ruaj khov hauv dej. Nws lub luag haujlwm tseem ceeb hauv kev tu tawv nqaij muaj xws li thickening, moisturizing, stabilizing, thiab txhim kho qhov kov ntawm cov khoom.
1. Thickener
Ib qho ntawm cov haujlwm tseem ceeb tshaj plaws ntawm hydroxyethylcellulose yog ua cov thickener. Hauv cov khoom tu tawv nqaij xws li tshuaj pleev, cream, tshuaj ntxuav thiab gels, lub luag haujlwm ntawm cov thickeners yog ua kom cov viscosity thiab sib xws ntawm cov khoom, ua rau nws yooj yim rau thov thiab khaws cia rau ntawm daim tawv nqaij, yog li txhim kho cov khoom siv kev paub. Hydroxyethylcellulose tuaj yeem tsim ib qho kev daws teeb meem colloidal los ntawm kev nqus dej thiab o, yog li ua kom cov viscosity ntawm cov mis, thiab cov nyhuv thickening no tsis cuam tshuam los ntawm electrolytes, yog li nws tuaj yeem ruaj khov nyob rau hauv ntau hom qauv.
2. Moisturizing nyhuv
Hauv kev tu tawv nqaij, moisturizing yog ib qho tseem ceeb heev, thiab hydroxyethyl cellulose kuj pab txhawb rau qhov no. Nws tuaj yeem nqus tau thiab khaws tau qee qhov dej, tsim kom muaj kev tiv thaiv moisturizing los tiv thaiv kev poob dej ntau dhau ntawm daim tawv nqaij. Thaum siv los ua ke nrog lwm cov tshuaj moisturizers, hydroxyethyl cellulose tuaj yeem pab kaw cov dej noo, ua kom cov nyhuv moisturizing, thiab ua kom cov tawv nqaij mos thiab du tom qab siv.
3. Stabilizer
Hydroxyethyl cellulose kuj ua raws li lub stabilizer los pab tiv thaiv cov khoom stratification lossis nag lossis daus. Hauv ntau cov khoom emulsified, xws li tshuaj pleev lossis tshuaj pleev, kev ruaj ntseg ntawm cov dej theem thiab cov roj theem yog qhov tseem ceeb. Hydroxyethyl cellulose tuaj yeem txhim kho kev ruaj ntseg ntawm emulsified system thiab txuas ntxiv lub txee lub neej ntawm cov khoom los ntawm kev ua kom cov viscosity ntawm lub cev thiab tiv thaiv cov sedimentation ntawm cov khoom xyaw.
4. Txhim kho cov khoom kov
Hauv cov khoom tu tawv nqaij, kov yog qhov tseem ceeb ntawm cov neeg siv khoom. Hydroxyethyl cellulose tuaj yeem muab cov khoom ua kom lub teeb thiab txhob lo lo ntxhuav tsis muaj qhov nplaum los yog roj. Yog li ntawd, nws yog feem ntau siv nyob rau hauv cov khoom uas yuav tsum tau ib tug refreshing thiab lub teeb kov, xws li gels thiab refreshing lotions. Tsis tas li ntawd, qhov qis qis thiab zoo ntawm daim tawv nqaij sib raug zoo ntawm hydroxyethyl cellulose ua rau nws haum rau cov khoom tu tawv nqaij.
5. Txhim kho cov khoom lag luam
Ntxiv nrog rau cov haujlwm saum toj no, hydroxyethyl cellulose tuaj yeem txhim kho qhov sib xws ntawm kev faib tawm ntawm cov khoom xyaw nquag, kom ntseeg tau tias cov khoom xyaw nquag tuaj yeem sib npaug ntawm daim tawv nqaij, yog li txhim kho tag nrho cov txiaj ntsig ntawm cov khoom. Piv txwv li, hauv cov qauv uas muaj cov tshuaj tua kab mob antioxidant, cov khoom siv tshuaj tua kab mob los yog cov khoom xyaw ua kom dawb, kev siv hydroxyethyl cellulose tuaj yeem pab cov khoom xyaw no ua haujlwm zoo dua.
6. Hypoallergenicity
Raws li cov khoom siv uas tsis yog-ionic polymer, hydroxyethyl cellulose muaj qhov ua xua thiab qis qis vim nws cov qauv tshuaj, yog li nws kuj tau siv dav hauv cov khoom tu tawv nqaij. Rau cov neeg uas ua rau muaj kev tsis haum tshuaj lossis cov kab mob ntawm daim tawv nqaij puas, hydroxyethyl cellulose yog ib qho kev xaiv zoo thiab muaj txiaj ntsig.
7. Biodegradability
Hydroxyethyl cellulose yog cov khoom hloov kho tau los ntawm ntuj cellulose, yog li nws muaj biodegradability zoo thiab ib puag ncig tus phooj ywg. Hauv cov ntsiab lus ntawm cov neeg siv khoom nce siab rau kev tiv thaiv ib puag ncig thiab kev txhim kho kom ruaj khov, cov khoom siv hydroxyethyl cellulose tau txais kev lag luam ntau dua.
8. Formula compatibility
Hydroxyethyl cellulose muaj cov qauv zoo sib xws thiab tuaj yeem koom nrog ntau yam khoom xyaw, surfactants, emulsifiers, thiab lwm yam tsis muaj kev phiv tshuaj. Qhov no ua rau nws siv dav hauv ntau yam khoom siv tawv nqaij. Hydroxyethylcellulose tuaj yeem ua lub luag haujlwm ruaj khov hauv dej-theem thiab roj-theem systems.
Hydroxyethylcellulose plays ntau lub luag haujlwm hauv cov khoom tu tawv nqaij, los ntawm thickening thiab moisturizing kom stabilization thiab txhim kho kov. Nws npog yuav luag tag nrho cov haujlwm tseem ceeb hauv kev tsim cov khoom tu tawv nqaij. Nws tsis tshua muaj allergenicity thiab zoo ntawm daim tawv nqaij compatibility ua rau nws ib tug zoo tagnrho cov khoom xyaw rau ntau yam khoom tu tawv nqaij. Nws ib puag ncig tus phooj ywg thiab biodegradability cater rau cov lag luam tam sim no xav tau rau ib puag ncig tus phooj ywg thiab cov khoom lag luam ruaj khov. Hauv luv luv, hydroxyethylcellulose tsis tsuas yog txhim kho cov khoom zoo ntawm daim tawv nqaij, tab sis kuj ua tau raws li cov neeg siv khoom xav tau rau cov khoom siv tau zoo thiab kev nyab xeeb.
Post lub sij hawm: Sep-02-2024