1. Taw qhia
Hydroxyethyl Cellulose (HEC) yog non-ionic, dej-soluble polymer dav siv hauv cov khoom tu tus kheej xws li tshuaj ntxuav tes thiab tshuaj zawv plaub hau. HEC thickeners ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ntxhib los mos, kev ua tau zoo thiab kev paub ntawm cov khoom no.
2. Cov yam ntxwv tseem ceeb ntawm HEC thickener
HEC yog ib qho tshuaj hloov kho derivative ntawm natural cellulose. Cov pab pawg hydroxyethyl hauv nws cov qauv molecular tuaj yeem tsim hydrogen bonds nrog dej molecules, yog li txhim kho nws cov dej solubility thiab thickening peev xwm. HEC muaj cov yam ntxwv tseem ceeb hauv qab no:
Muaj peev xwm thickening zoo: HEC tuaj yeem ua kom cov viscosity ntawm cov kev daws teeb meem ntawm cov concentrations tsawg.
Non-ionic: HEC tsis cuam tshuam los ntawm kev hloov pauv ntawm ionic zog thiab pH thiab muaj ntau yam kev siv.
Zoo solubility: HEC dissolves sai sai hauv dej txias thiab kub, ua kom yooj yim rau kev siv.
Biocompatibility: HEC tsis muaj tshuaj lom thiab tsis muaj mob thiab tsim nyog siv rau hauv cov khoom tu tus kheej.
3. Kev siv HEC hauv cov tshuaj ntxuav tes
3.1 Thickening nyhuv
HEC feem ntau plays lub luag hauj lwm thickening nyob rau hauv detergents, muab cov khoom ib tug haum viscosity rau yooj yim siv thiab ntau npaum tswj. Tsim nyog viscosity tuaj yeem tiv thaiv cov tshuaj ntxuav kom tsis txhob poob sai heev thaum siv thiab txhim kho cov nyhuv ntxuav. Tsis tas li ntawd, cov thickeners txhim kho qhov muaj peev xwm tshem tawm los ntawm kev ua cov tshuaj detergents ua rau cov stains yooj yim dua.
3.2 Txhim kho stability
HEC tuaj yeem tiv thaiv qhov stratification thiab nag lossis daus ntawm cov khoom xyaw detergent thiab tswj cov khoom sib xws thiab ruaj khov. Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog rau cov tshuaj ntxuav tes uas muaj cov khoom tshem tawm kom ntseeg tau tias muaj txiaj ntsig zoo txhua qhov kev siv.
3.3 Txhim kho cov neeg siv kev paub
Los ntawm kev kho cov viscosity ntawm detergent, HEC txhim kho qhov kev xav thiab kis tau ntawm cov khoom, ua kom yooj yim rau kev faib thiab txhuam ntawm tes thiab khaub ncaws. Tsis tas li ntawd, qhov tsim nyog viscosity kuj tseem tuaj yeem txo cov dej xau thiab pov tseg ntawm cov tshuaj ntxuav tes thaum siv thiab txhim kho cov neeg siv khoom txaus siab.
4. Kev siv HEC hauv tshuaj zawv plaub hau
4.1 Thickening thiab stabilizing formulations
Nyob rau hauv cov tshuaj zawv plaub hau, HEC tseem yog siv feem ntau rau thickening, muab cov khoom xav tau sib xws thiab flowability. Qhov no tsis tsuas yog txhim kho qhov yooj yim ntawm kev siv tshuaj zawv plaub hau, tab sis kuj tiv thaiv cov khoom xyaw los ntawm stratifying thiab daws, tswj kev ruaj ntseg ntawm cov mis.
4.2 Txhim khu kev ua npuas ncauj
HEC tuaj yeem txhim kho cov npuas dej zoo ntawm cov tshuaj zawv plaub hau, ua rau cov npuas dej nplua nuj, zoo dua thiab siv tau ntev dua. Qhov no yog ib qho tseem ceeb rau kev txhim kho cov nyhuv cleansing thiab xav tias ntawm cov tshuaj zawv plaub hau. Premium lather zoo dua ntes thiab nqa av thiab roj, yog li txhim kho cov tshuaj zawv plaub hau lub zog ntxuav.
4.3 Moisturizing thiab tu plaub hau
HEC muaj cov nyhuv moisturizing thiab tuaj yeem pab cov plaub hau khaws cov dej noo thaum lub sij hawm ntxuav, txo dryness thiab frizz. Tsis tas li ntawd, HEC cov khoom smoothing pab txhim kho cov txiaj ntsig ntawm cov tshuaj zawv plaub hau, ua rau cov plaub hau softer, smoother thiab tswj tau ntau dua.
4.4 Formulation compatibility
Txij li HEC yog ib qho uas tsis yog-ionic thickener, nws muaj kev sib raug zoo nrog lwm cov khoom xyaw mis thiab tuaj yeem nyob ruaj khov nyob rau hauv ntau yam khoom xyaw thiab cov khoom ntxiv yam tsis ua rau muaj kev phiv los yog ua tsis tiav. Qhov no ua rau cov qauv tsim tau yooj yim dua thiab tuaj yeem hloov kho thiab ua kom zoo raws li qhov xav tau sib txawv.
Kev siv HEC thickeners hauv detergents thiab tshuaj zawv plaub hau tuaj yeem txhim kho cov khoom lag luam thiab kev paub txog cov neeg siv khoom. HEC muab kev txhawb nqa tseem ceeb hauv kev txhim kho thiab kev ua kom zoo ntawm cov khoom tu tus kheej los ntawm kev muab cov thickening zoo dua, txhim kho cov qauv kev ruaj ntseg, txhim kho cov tawv nqaij zoo, thiab txhim kho moisturization thiab tu plaub hau. Nyob rau hauv lub neej yav tom ntej, nrog kev nce qib ntawm kev siv thev naus laus zis thiab kev hloov pauv hauv kev xav tau ntawm kev lag luam, daim ntawv thov muaj peev xwm ntawm HEC yuav raug tshawb nrhiav ntxiv thiab nthuav tawm.
Post lub sij hawm: Lub Xya hli ntuj-23-2024