I-Hydroxypropyl Methylcellulose (HPMC) isithako samakhemikhali esisebenzayo esisetshenziswa kabanzi embonini yezimonyo. Imvamisa isetshenziswa njenge-adhesive ngenxa ye-solubility yayo enhle kakhulu yamanzi, ukulungiswa kwento nokukhononda nokukwazi ukwakha ifilimu evikelayo. Kumafomula wezimonyo, i-HPMC ikakhulukazi idlala indima yokunamathela ukuze kuqinisekiswe ukuthi izithako zezimonyo zingasatshalaliswa ngokulinganayo futhi zilondoloze ukuqina kwazo.
1. Isakhiwo samangqamuzana kanye nezakhiwo ezinamathela ze-HPMC
I-HPMC iyi-ex-ionic cellulutive etholwa etholwe ukuguqulwa kwamakhemikhali kwe-cellulose yemvelo. Isakhiwo saso samangqamuzana sifaka ama-hydroxyl amaningi kanye ne-methylyproppy. Lawa maqembu asebenzayo ane-hydrophicity enhle ne-hpdrophobicity, evumela i-HPMC ukuthi yakhe isixazululo se-colloidal ngamanzi noma izikhalazo ze-organic, futhi zisebenzisane nezinye izithako ngokusebenzisa amabutho we-hydrogen, ngaleyo ndlela ekhombisa ukunamathela okuhle. I-HPMC idlala indima yokubopha izithako ezahlukahlukene kwifomula ehlanganiswe ngokwandisa i-viscosity yohlelo nokwakha ifilimu elinamathelayo ku-substrate, ikakhulukazi edlala indima ebalulekile ezinhlelweni ze-multiphase.
2. Ukusetshenziswa kwe-HPMC njengokunamathela kwezimonyo
Umphumela wokunamathela we-HPMC kwezimonyo ikakhulukazi kuboniswa kulezi zinto ezilandelayo:
Isicelo efomula yeformula engangeni manzi: Izimonyo ezingangenzi manzi (njenge-mascara materproof, i-eyeliner, njll.), I-HPMC ithuthukisa ukunamathela kwefomula ngokwakha ifilimu elizinzile, ukuze kunhle izimonyo kwezimonyo esikhunjeni noma kuzinwele kuyathuthukiswa. Ngasikhathi sinye, le filimu inezindawo ezingenamanzi, ezisiza umkhiqizo uqhubeke uzinze lapho kuvezwa izithukuthuku noma umswakama, ngaleyo ndlela uthuthukise ukuqina komkhiqizo.
Ukunamathela kwezimonyo eziyimpuphu: ku-powder cosmetics ecindezelwe efana ne-powder ecindezelwe, i-blush, nesithunzi samehlo, i-hpmc njengendlela yokunamathela kungafaka ngempumelelo ifomu elinamandla ngamandla athile nokuqina noma ukundiza ngesikhathi Sebenzisa. Ngaphezu kwalokho, futhi kungathuthukisa ubushelelezi bemikhiqizo ye-powder, okwenza kube lula ukusebenza ngokulinganayo lapho usebenzisa.
Isicelo kumikhiqizo yokunakekelwa kwesikhumba: I-HPMC nayo isetshenziswa njenge-adhesive emikhiqizweni yokunakekelwa kwesikhumba, ikakhulukazi emikhiqizweni efana nama-masks anobuso ne-lotion. Kungaqinisekisa ukuthi izithako ezisebenzayo zisatshalaliswa ngokulinganayo endaweni yesikhumba futhi zakha ifilimu evikelayo ngokwandisa i-viscosic, ngaleyo ndlela zithuthukise ukusebenza kahle nokuzizwa ngomkhiqizo.
Indima yemikhiqizo yesitayela: Kumikhiqizo yesitayela efana ne-hair gel kanye nesifutho sesitayela, i-hpmc ingasiza umkhiqizo wakhe ifilimu isitayela ezinweleni, bese ulungisa izinwele ndawonye ukuze ulondoloze ukuqina nokuqina kwekhanda. Ngaphezu kwalokho, ukuthamba kwe-HPMC nakho kwenza izinwele zibe mancane amathuba okuba zilukhuni, zandisa ukunethezeka komkhiqizo.
3. Izinzuzo ze-HPMC njenge-adhesive
Ikhono elihle lokulungiswa kwe-viscosity: I-HPMC ine-soubelity ephezulu kanye nokuvunywa okuguqukayo emanzini, futhi ingakhetha i-HPMC yama-viscosities ahlukile ngokwezidingo zokuthola umphumela omuhle kakhulu. I-viscosity yayo umehluko ekugxileni okuhlukile ikuvumela ukuthi isetshenziswe kalula kwezimonyo ezihlukene. Isibonelo, i-HPMC ephansi i-HPMC ingasetshenziswa emikhiqizweni yokufafaza, ngenkathi i-high-vissusity hpmc ilungele imikhiqizo ye-ayisikhilimu noma ye-gel.
Ukuqina nokuhambisana: I-HPMC inokuqina okuhle kwamakhemikhali, iqinile ezindaweni ezahlukahlukene ze-Ph, futhi akulula ukuphendula nezinye izithako ezisebenzayo kwifomula. Ngaphezu kwalokho, futhi unokuzinza okuphezulu okushisayo kanye nokuqina kokukhanya, futhi akulula ukubola ngaphansi kokushisa okuphezulu noma ukukhanya kwelanga, okwenza i-HPMC ibe yikhetho elihle kumafomula ahlukahlukene wezimonyo.
Ukuphepha nokungacasuli: I-HPMC isuselwa ku-cellulose yemvelo futhi ine-biocomtic ephezulu. Ngokuvamile akubangeli ukucasuka kwesikhumba noma ukusabela komzimba. Ngakho-ke, isetshenziswa kabanzi ezinhlotsheni ezahlukahlukene zezimonyo futhi ilungele abantu abanesikhumba esibucayi. Ifilimu elikhalayo esikhunjeni liyaphefumula futhi ngeke livimbe futhi lingavimba ukuthi isikhumba singaphefumula ngokujwayelekile.
Thuthukisa ukuthinta nokuzwa kwefomula: ngaphezu kokuba yi-binder, i-hpmc nayo inganikeza umkhiqizo omuhle. Emikhiqizweni yokunakekelwa kwesikhumba, kungenza ukuthungwa komkhiqizo siliveli ngokwengeziwe futhi bushelelezi, futhi kusize izithako zisetshenziswe futhi zigxile kakhulu ngokulinganayo. Kumikhiqizo ye-Makeup, ingathuthukisa i-dectity ye-powder, okwenza umkhiqizo ulungele isikhumba kangcono, ngaleyo ndlela uthuthukise umphumela we-makeup.
I-4. I-Synergy phakathi kwe-HPMC nezinye izithako
I-HPMC ivame ukusetshenziswa ngokubambisana nezinye izithako (njengamafutha, izilonda, njll.) Ukuthuthukisa ukusebenza okuphelele kwamafomula wezimonyo. Isibonelo, emikhiqizweni equkethe ama-waxes noma uwoyela, i-hpmc ingagoqa kamafutha noma ama-waxes matrix nge-matrix ngokusebenzisa izakhiwo zayo zokwakha amafilimu nokunamathela ukuze ugweme ukuhlukaniswa kwezakhi, ngaleyo ndlela kuthuthukiswe ukuqina kanye nokuthungwa komkhiqizo.
I-HPMC ingasetshenziswa futhi ngokubambisana nabakhudlwana nama-gelling agents, njenge-carbomer kanye ne-xanthan gum, ukuthuthukisa ukunamathela nokuqina komkhiqizo. Lo mphumela we-synergistic uvumela i-HPMC ukukhombisa ukuguquguquka kwesicelo okuhle kumafomula wezimonyo eziyinkimbinkimbi.
I-5. Ukuthuthukiswa kwesikhathi esizayo kwe-HPMC enkundleni yezimonyo
Njengoba abathengi banezidingo eziphakeme neziphakeme zemvelo, ukuphepha nokusebenza kwezithako zezimonyo, i-HPMC, njengento esebenza ngemisebenzi ethathwe kwi-cellulose yemvelo, kuzoba nethemba lesicelo ebanzi kumafomula wezimonyo ezizayo. Ngokuthuthuka kobuchwepheshe, isakhiwo samangqamuzana kanye nezakhiwo ezibonakalayo ze-HPMC nazo zingahle zilungiswe ukuze zihlangane nezidingo ezenziwa kahle zokwakha, njengokuvimbela okuphezulu, okudala, ukuvikelwa kwelanga, njll.
Njenge-adhesive ebalulekile kwizimonyo, i-HPMC iqinisekisa ukuqina kwezithako zomkhiqizo, ukuthungwa okufanayo kanye nomphumela wokusebenzisa ngomthethonqubo wayo omuhle kakhulu we-viscosity, amandla athi amafilimu kanye nokuhambisana. Ukusebenza kwayo okubanzi nokusebenza okuhlukahlukene kwenza kube yisithako esisemqoka kumafomula wesimanje wezimonyo. Ngokuzayo, i-HPMC izoqhubeka nokudlala indima ebalulekile ocwaningweni nasekuthuthukisweni kwezimonyo zemvelo kanye nezimonyo ezisebenzayo.
Isikhathi Sokuposa: Sep-26-2024