I-Hydroxypropylmethylcelcelcelcelcelcelcelcelcel Ngenxa yepropathi yayo eyahlukileyo, kubandakanya ukubenzela amanzi, ubuchule bokuthambisa, ipropati yefilimu, njl. Njl. Enye yezinto eziphambili ekufuneka uziqwalasele xa usebenzisa i-HPMC l Viskosity, olunokuchaphazela kakhulu ukusebenza kwalo kwiindawo ezahlukeneyo zokusebenzisa. Kweli nqaku, sixubusha isizathu sokuba i-HPMC ye-HPMC enophawu olwahlukileyo kufuneka lukhethwe kwiindawo ezahlukeneyo zokusebenzisa izixhobo, kwaye indlela enokuthi incede ngayo ukubangela ukusebenza kwe-HPMC.
I-Viscosity ngumlinganiso wokunganyangeki kwe-fluid ukuya kuhamba kwaye luthando olubalulekileyo xa uyila iimveliso ezifuna iimpawu ezithile zokuhamba. UVelosity uchaphazela ukusebenza kwe-HPMC kuba kumisela amandla akhe okwenza i-geses, echaphazela i-PH yesisombululo, ubukhulu bokudibana, kunye nezinye iipropathi zomzimba. I-HPMC iyafumaneka kumabanga ahlukeneyo e-viscofity, ezona ntlobo ziqhelekileyo zibangelwa zi-viscofity (lv), i-viscosity ephakathi (MV) kunye ne-viscofity ephezulu (HV). Nganye kwezi ntlobo inenjongo ethile kwaye ilungele imeko ethile.
I-viscofity ephantsi (LV) HPMC
I-HPMMCIT ye-HPMMC iphantsi inesisindo esiphantsi semolekyuli kwaye inyibilika ngokulula emanzini. Ngolona hlobo luqhelekileyo lwe-HPMC kwaye lusetyenziswa kwimizi-mveliso eyahlukeneyo kubandakanya ukutya, i-cosmetics, ulwakhiwo kunye namayeza. I-LV HPMC ilungele ukusetyenziswa kwezicelo ezifuna izisombululo ze-viscomity eziphakathi ezinjengeegesi ezicacileyo, ii-emuls kunye neepeyinti. I-LV HPMC inokusetyenziselwa ukwandisa ubomi bokutya, ukunciphisa iSyneresis kwaye kunikezelwe ukufunyanwa kwengqondo.
I-LV HPMC ikwasetyenziswa rhoqo kumzi-mveliso wokwakha ukuphucula ukusebenza kwezinto ezisekwe kwizinto ezifakelweyo ezinjengokufa, i-griuts kunye ne-tile. Kuyanceda ukunciphisa ukulahleka kwamanzi kwimxube yesamente, kuthintele ukuqhekeza, kwaye womeleza ulwalamano phakathi kwezinto eziphakathi kwezinto. I-LV HPMC ikwasetyenziselwa ukwandisa amandla kunye nokuqina kodaka, i-stucco kunye nezinye izinto ezinxulumene noko.
I-vickosity ye-vissity (mv) hpmc
I-vicmosity ye-HPMC inomzimba ophezulu wemolekyuli kune-LV MPMC kwaye ayinyibiliki emanzini. Ngokwesiqhelo isetyenziswa kwizicelo ezifuna izisombululo ezigxilwe kakhulu njengeengubo, iivarnish kunye ne-inki. I-MV HPMC inolawulo lokuhambahamba okuthe kratya kunye neepropathi zezicelo kune-LV HPMC, ezikhokelela kububanzi bemiboniso bhanyabhanya. I-MV HPMC inokusetyenziswa ngaphezulu kwe-PH ye-PH ebanzi, ebonelela ngendlela eyongezelelweyo kwizicelo ezahlukeneyo.
I-MV HPMC isetyenziswa ngokubanzi kwiimveliso zamachiza, ezinjengeecwecwe ezilawulwayo, njengoko zilibazisa ukuchitheka kwaye ke zandisa ukukhutshwa kwezithako ezisebenzayo.
I-Vilosity ephezulu (HV) i-HPMC
I-VICMMC ephezulu ye-HPMC inelona xesha liphezulu lemolekyuli yawo onke amabanga amathathu kwaye ngowona mncinci wamanzi. Ihlala isetyenziswa kwizicelo ezifuna ukuqina kunye nokuzinzisa iipropathi, ezinjengeesosi, iikhrim kunye ne-gels. I-HV HPMC iyanceda ukuphucula ukuthungwa kunye nokubonisa iimveliso, ukubonelela ngamava amnandi abanomdla ngakumbi. Ingasetyenziselwa ukuzinzisa ii-emulssions, ukuthintela ukuhlalisa kwaye kwandise ubomi beshesi. Ukongeza, i-HV HPMC ihlala isetyenziswa kumzi-mveliso wamaphepha ukuphucula amandla kunye nokuprinta.
ukuququmbela
Uhlobo oluchanekileyo lwe-HPMC lubalulekile ukwenza umsebenzi wayo ngeendlela ezahlukeneyo zokusebenzisa. I-LV HPMC ilungele ukusetyenziswa kwezicelo ezifuna izisombululo ze-viscosity, ngelixa i-MV HPMC ilungele izisombululo ezikrwelayo ezinjengeepeyinti, iivarnish kunye neenks. Okokugqibela, i-HV HPMC ilungele izicelo ezifuna ukuqina kunye nokuzinzisa iipropathi ezinjengeekhrim, iiglasi kunye neesosi. Ukukhetha i-vickosity echanekileyo kunokunceda ukuphucula ukusebenza kwe-HPMC kwaye kwenza kube kufanelekile ngakumbi kwizicelo ezahlukeneyo.
IXESHA LOKUQALA: AUG-31-2023