1. Ukuhlukaniswa:
I-HPMCingahlukaniswa ngohlobo olusheshayo kanye nohlobo oluncibilikayo olushisayo. Imikhiqizo yohlobo olusheshayo isakazeka ngokushesha emanzini abandayo bese inyamalala emanzini. Ngalesi sikhathi, uketshezi aluna-viscosity, ngoba i-HPMC ihlakazeka emanzini kuphela futhi ayina-extrusion yangempela. Ngemva kwemizuzu engaba ngu-2, i-viscosity yoketshezi yanda kancane kancane yakha i-colloid ecacile ethambile. Imikhiqizo encibilikayo eshisayo, lapho ihlangana namanzi abandayo, ingahlakazeka ngokushesha emanzini ashisayo bese inyamalala emanzini ashisayo. Lapho izinga lokushisa lehla liye ezingeni lokushisa elithile, i-viscosity ibonakala kancane kancane kuze kube yilapho kwakheka i-colloid ecacile ethambile. Uhlobo oluncibilikayo olushisayo lungasetshenziswa kuphela ku-putty powder kanye nodaka. Ku-glue nopende oluyi-liquid, kuzokwenzeka isenzakalo sokuhlanganisa futhi asikwazi ukusetshenziswa. Uhlobo olusheshayo lunezinhlobo eziningi zokusetshenziswa. Lungasetshenziswa ku-putty powder kanye nodaka, kanye naku-liquid glue nopende, ngaphandle kokuphikisana.
2. Indlela yokuncibilikisa:
Indlela yokuncibilikisa amanzi ashisayo: Njengoba i-HPMC ingancibiliki emanzini ashisayo, i-HPMC ingahlakazeka ngokulinganayo emanzini ashisayo esigabeni sokuqala, bese incibilika ngokushesha ngesikhathi sokupholisa. Izindlela ezimbili ezijwayelekile zichazwa kanje: 1), faka inani elidingekayo esitsheni samanzi ashisayo bese ufudumala kufike ku-70°C. I-hydroxypropyl methylcellulose yengezwa kancane kancane ngokuxubha kancane, ekuqaleni i-HPMC yantanta phezu kwamanzi, bese kancane kancane yakha i-slurry, eyapholiswa ngokuxubha. 2), engeza inani elidingekayo le-1/3 noma 2/3 lamanzi esitsheni, bese uyifudumala kufike ku-70°C, ngokwendlela ye-1), hlakaza i-HPMC, lungisa i-slurry yamanzi ashisayo; bese ufaka inani elisele lamanzi abandayo emanzini ashisayo. Ku-slurry, ingxube yapholiswa ngemva kokuxubha.
Indlela yokuxuba i-powder: Hlanganisa i-HPMC powder nenani elikhulu lezinye izinto eziwumpuphu, hlanganisa kahle ngomshini wokuxuba, bese ufaka amanzi ukuze uncibilike, bese i-HPMC ingancibilika ngalesi sikhathi ngaphandle kokuhlangana ndawonye, ngoba yonke ikona encane ine-HPMC encane kuphela. I-powder izoncibilika ngokushesha uma ihlangana namanzi. ——Le ndlela isetshenziswa abakhiqizi be-putty powder kanye ne-mortar. [I-Hydroxypropyl methylcellulose (HPMC)isetshenziswa njengesithambisi kanye nesithambisi sokugcina amanzi ku-putty powder mortar.]
Isikhathi sokuthunyelwe: Ephreli-25-2024