Lub ntsej muag lub ntsej muag yog cov khoom siv tshuaj pleev ib ce nrov tsim los xa cov khoom xyaw rau ntawm daim tawv nqaij. Lawv tuaj yeem txhim kho daim tawv nqaij hydration, tshem tawm cov roj ntau dhau, thiab pab txhim kho qhov pom ntawm pores. Ib qho tseem ceeb hauv kev tsim cov ntaub npog ntsej muag yog Hydroxyethyl Cellulose (HEC).
Nkag siab txog Hydroxyethyl Cellulose
Hydroxyethyl Cellulose (HEC) yog non-ionic, dej-soluble polymer muab tau los ntawm cellulose. Cellulose, feem ntau cov organic polymer nyob rau hauv lub ntiaj teb, yog lub hauv paus txheej txheem ntawm cov nroj tsuag cell phab ntsa. HEC yog tsim los ntawm kev hloov kho tshuaj ntawm cellulose, nrog rau kev qhia txog hydroxyethyl pawg, uas txhim kho nws cov solubility thiab rheological zog. Nws yog dav siv nyob rau hauv ntau yam lag luam, nrog rau cov tshuaj pleev ib ce, tshuaj, thiab khoom noj khoom haus, vim nws zoo heev thickening, stabilizing, thiab film-forming peev xwm.
Chemical Structure thiab Properties
HEC cov qauv tshuaj muaj cov pob txha cellulose nrog cov pab pawg hydroxyethyl txuas ntawm ether txuas. Cov kev hloov kho no txhim kho cov dej solubility thiab viscosity ntawm cov polymer, ua rau nws muaj txiaj ntsig tshwj xeeb hauv cov ntawv thov uas cov khoom no xav tau. Qhov degree ntawm kev hloov pauv (DS) thiab qhov hnyav molecular ntawm HEC tuaj yeem hloov kho kom haum rau nws cov khoom rau cov ntawv thov tshwj xeeb.
Cov yam ntxwv tseem ceeb ntawm HEC cuam tshuam rau lub ntsej muag npog ntsej muag muaj xws li:
Dej Solubility: HEC dissolves nkag tau hauv dej kub thiab dej txias, ua kom pom tseeb, viscous daws.
Kev Tswj Viscosity: HEC cov kev daws teeb meem nthuav tawm tus cwj pwm tsis yog Newtonian, muab kev tswj xyuas zoo tshaj plaws ntawm cov viscosity ntawm cov qauv, uas tuaj yeem hloov kho los ntawm qhov sib txawv.
Zaj duab xis tsim: Nws tuaj yeem tsim cov yeeb yaj kiab thaum ziab, ua rau lub ntsej muag adhesion thiab kev ncaj ncees ntawm daim tawv nqaij.
Biocompatibility: Raws li ib tug derivative ntawm cellulose, HEC yog biocompatible, non-toxic, thiab feem ntau suav hais tias muaj kev nyab xeeb rau kev siv hauv cov khoom kom zoo nkauj.
Lub luag haujlwm ntawm HEC hauv Facial Mask Base Fabrics
1. Rheology Hloov Kho
HEC ua haujlwm ua tus hloov kho rheology hauv kev tsim cov ntaub npog ntsej muag. Rheology modifiers tswj cov khoom ntws ntawm cov khoom siv, cuam tshuam nws qhov kev ntxhib los mos, kis tau, thiab ruaj khov. Hauv lub ntsej muag lub ntsej muag, HEC kho qhov viscosity ntawm daim npog ntsej muag, kom ntseeg tau tias nws tuaj yeem siv tau yooj yim rau cov ntaub thiab tom qab ntawd rau ntawm lub ntsej muag. Cov cuab yeej no yog qhov tseem ceeb rau kev tsim cov npog ntsej muag uas ua raws li daim tawv nqaij tsis muaj dej los yog khiav.
Lub peev xwm los hloov kho viscosity kuj tso cai rau kev sib koom ua ke ntawm ntau dua ntawm cov khoom xyaw nquag, txhim kho qhov ua tau zoo ntawm daim npog ntsej muag. HEC cov khoom uas tsis yog-Newtonian ua kom ntseeg tau tias daim npog ntsej muag tseem nyob ruaj khov nyob rau ntau qhov kev txiav cov nqi, uas yog qhov tseem ceeb thaum tsim khoom, ntim khoom, thiab daim ntawv thov.
2. Zaj duab xis-Forming Agent
HEC ua raws li tus neeg sawv cev ua yeeb yaj kiab zoo. Thaum lub ntsej muag lub ntsej muag raug siv rau ntawm daim tawv nqaij, HEC pab tsim ib qho kev sib txuam, cohesive zaj duab xis uas adheres ze rau ntawm daim tawv nqaij. Qhov kev tsim zaj duab xis no yog qhov tseem ceeb rau lub npog ntsej muag los muab kev tiv thaiv occlusive, uas txhim kho kev nkag mus ntawm cov khoom xyaw nquag thiab tiv thaiv cov evaporation ntawm noo noo ntawm daim tawv nqaij.
Lub peev xwm ua yeeb yaj kiab ntawm HEC txhawb nqa lub npog ntsej muag tag nrho, cia nws nyob hauv qhov chaw thaum siv. Qhov no ua kom lub ntsej muag tuaj yeem xa nws cov khoom xyaw sib npaug ntawm daim tawv nqaij, muab cov txiaj ntsig zoo ib yam thiab txhim khu kev qha.
3. Moisturization thiab Hydration
HEC pab txhawb rau cov khoom moisturizing thiab hydrating ntawm lub ntsej muag lub ntsej muag. Raws li hydrophilic polymer, HEC tuaj yeem nyiam thiab khaws dej, muab cov nyhuv hydrating thaum lub npog ntsej muag siv rau ntawm daim tawv nqaij. Qhov no hydration yog qhov tseem ceeb rau kev tswj cov tawv nqaij barrier muaj nuj nqi, txhim kho elasticity, thiab muab cov tawv nqaij du, plump tsos.
Tsis tas li ntawd, cov yeeb yaj kiab occlusive tsim los ntawm HEC pab txhawm rau txhawm rau ya raws ntawm daim tawv nqaij saum npoo, txhim kho cov nyhuv hydrating ntawm lub npog ntsej muag thiab ua kom cov txiaj ntsig ntev dua tom qab lub npog ntsej muag raug tshem tawm. Cov cuab yeej no muaj txiaj ntsig tshwj xeeb hauv cov qhov ncauj qhov ntswg tsim rau cov tawv nqaij qhuav lossis lub cev qhuav dej.
4. Stabilizing Agent
HEC ua haujlwm ua tus neeg sawv cev ruaj khov hauv kev tsim daim npog ntsej muag. Nws pab kom ruaj khov emulsions thiab tshem tawm los ntawm kev ua kom cov viscosity ntawm cov theem aqueous, tiv thaiv kev sib cais ntawm cov khoom xyaw. Qhov kev ruaj khov no yog qhov tseem ceeb rau kev ua kom muaj kev sib faib ntawm cov khoom xyaw nquag hauv lub npog ntsej muag thiab tiv thaiv kev sib cais ntawm theem thaum khaws cia.
Los ntawm kev tswj xyuas qhov ruaj khov ntawm cov qauv tsim, HEC xyuas kom meej tias lub npog ntsej muag xa nws cov khoom xyaw ua haujlwm tau zoo thiab tsis tu ncua, txhim kho tag nrho cov txiaj ntsig thiab txee lub neej ntawm cov khoom.
zoo Properties
HEC ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ntxhib los mos thiab kev hnov lus ntawm lub ntsej muag lub ntsej muag. Nws imparts ib tug du, silky kev ntxhib los mos rau lub ntsej muag formulation, txhim kho tag nrho cov neeg siv kev paub. Kev tswj viscosity muab los ntawm HEC ua kom lub ntsej muag zoo nkauj, tsis nplaum, uas yog qhov tseem ceeb rau cov neeg siv khoom txaus siab.
Cov yeeb yaj kiab tsim thiab moisturizing ntawm HEC kuj tseem ua rau kom muaj kev zoo siab thiab xis nyob thaum siv lub npog ntsej muag, ua rau nws tsim nyog siv rau ntawm daim tawv nqaij rhiab heev.
Daim ntawv thov txheej txheem hauv Facial Mask Fabrication
Kev koom ua ke ntawm HEC rau hauv daim npog ntsej muag lub ntsej muag feem ntau suav nrog ntau cov kauj ruam tseem ceeb:
Kev npaj ntawm HEC Solution: HEC yog yaj hauv dej los tsim cov kua dej ntshiab, khov. Lub concentration ntawm HEC tuaj yeem hloov kho raws li qhov xav tau viscosity thiab cov khoom ua yeeb yaj kiab.
Sib xyaw nrog Cov Khoom Siv Ua Ntej: Cov tshuaj HEC yog sib xyaw nrog lwm cov khoom xyaw nquag thiab cov khoom ntxiv, xws li humectants, emollients, thiab extracts. Qhov sib tov no tsim lub hauv paus ntawm daim npog ntsej muag.
Impregnation ntawm Npuag: Cov ntaub npog ntsej muag, feem ntau yog ua los ntawm cov ntaub ntawv xws li paj rwb, tsis-woven npuag, los yog hydrogel, yog impregnated nrog HEC-raws li formulation. Cov ntaub yog tom qab ntawd tso cai rau ntub dej, kom ntseeg tau tias txawm tias faib cov txheej txheem thoob plaws hauv lub npog ntsej muag.
Qhuav thiab ntim: Cov ntaub impregnated tej zaum yuav qhuav ib nrab, nyob ntawm seb hom daim npog qhov ncauj, thiab ces txiav mus rau hauv lub xav tau thiab loj. Cov qhov ncauj qhov ntswg tiav tau ntim rau hauv cov thawv airtight los yog cov hnab ntim khoom kom tswj tau lawv cov kev ruaj ntseg thiab cov dej noo kom txog thaum siv.
Qhov zoo ntawm HEC hauv Facial Mask Base Fabrics
Enhanced Adhesion: Cov cuab yeej ua yeeb yaj kiab ntawm HEC ua kom lub ntsej muag ua haujlwm zoo rau ntawm daim tawv nqaij, muab kev sib cuag zoo dua thiab ua kom muaj txiaj ntsig zoo ntawm cov khoom xyaw nquag.
Txhim khu kev ruaj ntseg: HEC pab kom ruaj khov ntawm kev tsim, tiv thaiv theem sib cais thiab ua kom muaj kev sib faib ntawm cov khoom xyaw.
Superior Hydration: HEC lub peev xwm los nyiam thiab khaws cov dej txhim khu cov nyhuv moisturizing ntawm lub npog ntsej muag, muab dej kom ntev.
Tswj Viscosity: HEC tso cai rau kev tswj xyuas meej ntawm viscosity ntawm daim npog ntsej muag, ua kom yooj yim rau daim ntawv thov thiab txhim kho tag nrho cov kev ntxhib los mos thiab kev hnov qab.
Hydroxyethyl Cellulose plays lub luag haujlwm tseem ceeb hauv kev tsim cov ntaub npog ntsej muag. Nws cov khoom tshwj xeeb xws li kev hloov kho rheology, tus neeg sawv cev ua yeeb yaj kiab, moisturizer, thiab stabilizer pab txhawb rau kev ua tau zoo thiab cov neeg siv kev paub ntawm lub ntsej muag lub ntsej muag. Los ntawm kev txhim kho cov adhesion, stability, hydration, thiab kev ntxhib los mos ntawm lub npog ntsej muag, HEC pab xa cov khoom xyaw nquag, ua rau nws muaj txiaj ntsig zoo hauv cov qauv tshuaj pleev ib ce niaj hnub. Nws ntau yam thiab kev sib raug zoo nrog ntau yam khoom xyaw ua rau nws yog ib qho tseem ceeb ntawm kev tsim cov ntsej muag ntsej muag uas ua tau raws li ntau haiv neeg cov kev xav tau ntawm cov neeg siv khoom.
5. Txhim khu kev ntxhib los mos thiab Sen
Post lub sij hawm: Jun-19-2024