1.Fassification:
I-HPMC ingahlukaniswa ngohlobo olusheshayo nohlobo olushisayo olushisayo. Imikhiqizo yohlobo olusheshayo isabalala ngokushesha emanzini abandayo futhi inyamalala emanzini. Ngalesi sikhathi, uketshezi alunakubonakala, ngoba i-HPMC ihlakazeka emanzini kuphela futhi ayinakuchithwa kwangempela. Ngemuva kwemizuzu engaba mi-2, i-viscosity yoketshezi inyuke kancane kancane ukwakha i-colloid esobala ye-viscous. Imikhiqizo eshisayo esusiwe, lapho ihlangabezana namanzi abandayo, ingahlakazeka ngokushesha emanzini ashisayo bese inyamalala emanzini ashisayo. Lapho amazinga okushisa ehla emazingeni okushisa athile, i-viscosity avele kancane kuze kube kwakhiwa i-colloid esobala. Uhlobo olushisayo olushisayo lungasetshenziswa kuphela ku-putty powder nodaka. Ku-glue uketshezi kanye nopende, kwenzeke into ethambile futhi ngeke isetshenziswe. Uhlobo olusheshayo lunebanga elibanzi lezicelo. Ingasetshenziswa ku-putty powder nodaka, kanye ne-glue key upende, ngaphandle kokuphikiswa.
Indlela yokuziphendukela:
Indlela eshisayo yokuchithwa kwamanzi Izindlela ezimbili ezijwayelekile zichazwa ngale ndlela elandelayo: 1), faka inani elidingekayo emanzini ashisayo esitsheni bese lifuthelwa cishe ngo-70 ° C. I-hydroxypropyllylylyl yangezwa kancane kancane ngokuvusa kancane, ekuqaleni i-hpmc entantayo ebusweni bamanzi, bese kancane kancane yakha kancane kancane, eyayipholile ngokuvusa ama-slurry. 2), engeza inani elidingekayo le-1/3 noma 2/3 lamanzi esitsheni, bese usishisa ku-70 ° C, ngokwendlela ye-1), esabalalisa i-HPMC, lungiselela i-Slurry eshisayo; Ngemuva kwalokho engeza inani elisele lamanzi abandayo emanzini ashisayo ku-slurry, ingxube yehlisiwe ngemuva kokuvusa.
Indlela yokuxuba ye-powder: hlanganisa i-hpmc powder enesamba esikhulu sezinye izinto eziyimpungushe, bese ufaka amanzi ukuze uncibilike, ngoba wonke amathoni amancane angancibilika, ngoba wonke amathoni amancane ane-HPMC azohlangana ngokushesha namanzi. - - Indlela yasetshenziswa yi-putty powder kanye nabakhiqizi bakwaDitara. [I-Hydroxypropyl Methylcellulose (HPMC) isetshenziswa njenge-melener kanye ne-ejenti yokugcinwa kwamanzi ku-putty powder fortar]
Isikhathi sePosi: Nov-18-2022