Hydroxypropyl methyl cellulose (HPMC) ndi polima yopanda ionic, ether yopanda ionic cellulose yopangidwa kuchokera ku cellulose yachilengedwe ya polymer. Chogulitsachi ndi chopanda fungo, chopanda kukoma, ufa woyera wopanda poizoni, ukhoza kusungunuka m'madzi ozizira kuti apange yankho lowonekera bwino, lokhala ndi makulidwe, ma bonding, dispersing, emulsifying, film-forming, suspending, adsorbing, gelling, surface activity, Features monga chinyezi chosungira ndi ma colloids oteteza.
HPMC yokhazikika imagwiritsidwa ntchito makamaka mu mankhwala opangidwa ndi nsalu, zinthu zotsukira za tsiku ndi tsiku, zodzoladzola ndi zina; monga shampu, chotsukira thupi, chotsukira nkhope, lotion, kirimu, gel, toner, chotsukira tsitsi, zinthu zokongoletsa, mankhwala otsukira mano, malovu, madzi osefukira zoseweretsa, ndi zina zotero.
Makhalidwe a mankhwala a hydroxypropyl methyl cellulose ya tsiku ndi tsiku ndi monga:
1. Zipangizo zachilengedwe, kukwiya kochepa, magwiridwe antchito ochepa, chitetezo ndi chitetezo cha chilengedwe;
2. Kusungunuka ndi kukhuthala kwa madzi: kumatha kusungunuka m'madzi ozizira nthawi yomweyo, kusungunuka mu zosungunulira zina zachilengedwe ndi chisakanizo cha madzi ndi zosungunulira zachilengedwe;
3. Kukhuthala ndi kukhuthala: kuwonjezeka pang'ono kwa kusungunuka kudzapanga yankho lowonekera bwino lokhuthala, kuwonekera bwino kwambiri, magwiridwe antchito okhazikika, kusintha kwa kusungunuka ndi kukhuthala, kukhuthala kotsika, kusungunuka kwakukulu; bwino kwambiri kumalimbikitsa kukhazikika kwa kayendedwe ka madzi;
4. Kukana Mchere: HPMC ndi polima yopanda ionic, yokhazikika bwino mu mayankho amadzi a mchere wachitsulo kapena ma electrolyte achilengedwe;
5. Ntchito ya pamwamba: yankho lamadzi la chinthucho lili ndi ntchito ya pamwamba, ndipo lili ndi ntchito ndi makhalidwe a emulsification, colloid yoteteza komanso kukhazikika; mphamvu ya pamwamba ndi: 2% yankho lamadzi ndi 42-56dyn/cm;
6. Kukhazikika kwa PH: kukhuthala kwa yankho lamadzi kumakhala kokhazikika mkati mwa PH3.0-11.0;
7. Mphamvu yosunga madzi: mphamvu ya HPMC yokonda madzi ikhoza kuwonjezeredwa ku slurry, phala ndi zinthu zopaka kuti zisunge mphamvu yosunga madzi;
8. Kutenthetsa: Madzi akakhala otentha kufika pa kutentha kwina, amakhala osawoneka bwino mpaka atapanga chizolowezi cha (poly) flocculation, zomwe zimapangitsa kuti solution itaye kukhuthala kwake. Koma ikazizira, imasandukanso chizolowezi choyambirira cha solution. Kutentha komwe gel imachitika kumadalira mtundu wa mankhwala, kuchuluka kwa solution ndi kutentha kwake;
9. Makhalidwe ena: makhalidwe abwino kwambiri opangira filimu, komanso kukana ma enzyme osiyanasiyana, kufalikira ndi kugwirizana, ndi zina zotero.
Nthawi yotumizira: Juni-05-2023