1. Ukwahlulahlula:
I-HPMCinokwahlulwahlulwa ibe yi-instant type kunye ne-hot-melt type. Iimveliso ze-instant type ziyasasazeka ngokukhawuleza emanzini abandayo kwaye zinyamalale emanzini. Ngeli xesha, ulwelo aluna-viscosity, kuba i-HPMC isasazeka kuphela emanzini kwaye ayinakunyibilika ngokwenene. Emva kwemizuzu emi-2, i-viscosity yolwelo iyanda kancinci kancinci ukuze yenze i-viscous colloid ebonakalayo. Iimveliso ezinyibilikayo ngobushushu, xa zidibana namanzi abandayo, zinokusasazeka ngokukhawuleza emanzini ashushu kwaye zinyamalale emanzini ashushu. Xa ubushushu buhla bufikelela kubushushu obuthile, i-viscosity ibonakala kancinci de kwenziwe i-viscous colloid ebonakalayo. Uhlobo lwe-hot-melt lungasetyenziswa kuphela kwi-putty powder kunye ne-mortar. Kwi-liquid glue kunye nepeyinti, kuya kwenzeka i-clumping phenomenon kwaye ayinakusetyenziswa. Uhlobo lwe-instant lunoluhlu olubanzi lwezicelo. Lungasetyenziswa kwi-putty powder kunye ne-mortar, kunye ne-liquid glue kunye nepeyinti, ngaphandle kokuchasana.
2. Indlela yokunyibilikisa:
Indlela yokunyibilikisa amanzi ashushu: Ekubeni i-HPMC inganyibiliki emanzini ashushu, i-HPMC ingasasazeka ngokulinganayo emanzini ashushu kwinqanaba lokuqala, ize inyibilike ngokukhawuleza ngexesha lokuphola. Iindlela ezimbini eziqhelekileyo zichazwe ngolu hlobo lulandelayo: 1), faka ubungakanani obufunekayo kwisikhongozeli samanzi ashushu kwaye ufudumale ukuya kuthi ga kwi-70°C. I-hydroxypropyl methylcellulose yongezwa kancinci kancinci ngokuxuba kancinci, ekuqaleni i-HPMC yadada phezu kwamanzi, yaza yakha kancinci kancinci i-slurry, eyapholiswa ngokuxuba. 2), yongeza ubungakanani obufunekayo be-1/3 okanye i-2/3 yamanzi kwisikhongozeli, kwaye uyifudumale ukuya kuthi ga kwi-70°C, ngokwendlela ye-1), chitha i-HPMC, lungisa i-slurry yamanzi ashushu; emva koko yongeza ubungakanani obuseleyo bamanzi abandayo emanzini ashushu. Kwi-slurry, umxube upholiswe emva kokuxuba.
Indlela yokuxuba umgubo: Xuba umgubo we-HPMC kunye nezinye izinto ezininzi ezinjengomgubo, xuba kakuhle ngomxube, uze wongeze amanzi ukuze unyibilike, emva koko i-HPMC inokunyibilika ngeli xesha ngaphandle kokudibana, kuba yonke ikona encinci ine-HPMC encinci kuphela. Umgubo uya kunyibilika ngoko nangoko xa udibana namanzi. ——Le ndlela isetyenziswa ngabavelisi be-putty powder kunye ne-mortar. [I-Hydroxypropyl methylcellulose (HPMC)isetyenziswa njengesithambisi kunye nesixhobo sokugcina amanzi kwi-putty powder mortar.]
Ixesha leposi: Epreli-25-2024