Hydroxypyl methylcelose (hpmc) shine mafi yawan amfani da sel mai narkewa wanda aka yi amfani da shi sosai a cikin dakatarwa. Dankarin dakatarwa yana nufin ikon m barbashi don ci gaba da tarwatsa a cikin matsakaici na ruwa na dogon lokaci ba tare da mahimmin bayani ba. Kayayyakin jiki na musamman da sunadarai na HPMC suna sa shi yayi wasa da muhimmiyar rawa wajen inganta kwanciyar hankali.
Asali kaddarorin HPMC
Kayan jiki da sunadarai
HPMC wani yanki ne da aka samu ta hanyar methypypypy da Hydroxypropypyation na selulose. Tsarin kwayar halitta ya ƙunshi hydroxhilic hydroxyl (-OOH) da Hydrophobic under (-OCH₃) da Hydroxypyl ƙungiyoyi, wanda ya sanya ruwa-mai narkewa da farfajiya. HPMC na iya samar da ingantaccen bayani a cikin ruwa, kuma danko yana canje-canje tare da taro, zazzabi da pH.
Kayan wasan danko
Maganin HPMC na nuna kaddarorin ruwa wanda ba Newtian ba, kuma danko ya ragu tare da ƙara yawan masu kararraki, wato, yana nuna kayan thinning kaddarnan. Wannan dukiyar tana da tasiri mai mahimmanci a kan hanyar dakatarwa saboda yana iya samar da ƙwayar da ta dace don hana ƙwayar ƙwayar cuta yayin motsawa ko zuba.
Hanyar tasirin HPMC akan kwanciyar hankali
1. Tasirin thickening
Tasirin Tarihin HPMC shine don hana ƙwayar ƙwayar cuta ta barbashi mai ƙarfi ta ƙara dankowar dakatarwar. Tasirin thickening shine yakan nuna a cikin bangarorin da ke zuwa:
Fetterarfafa danko na matsakaici: HPMC na iya ƙara yawan danko, ta haka ne rage yawan ƙwayar cuta a cikin ruwa. Wannan saboda bisa ga dokar Stokees ce, yawan adadin barbashi shine rashin daidaituwa ga danko. Karuwa a cikin danko zai iya rage jinkirin preyimes na barbashi da haɓaka kwanciyar hankali na dakatarwar.
Samar da tsarin hanyar sadarwa mai tsayi uku: HPMC na iya samar da tsarin cibiyar sadarwa mai haske a ruwa, wanda zai iya kama da kuma gyara barbashi da kuma hana su daga daidaitawa. Ana kiyaye wannan tsarin cibiyar sadarwa ta hanyar Hydrogen Buns da kuma ma'amala ta Hydrogichobic, kiyaye barbashi adadi sun watse.
2. Tasirin wucin gadi
Tsarin kwayar halitta na HPMC yana ɗaukar wani caji (misali, ta hanyar hydroxyl ko renoxypropyl ƙungiyoyi), wanda zai iya yin hulɗa tare da cajin saman barbashi a cikin dakatar. Ta hanyar daidaita damar samar da barbashi, hpmc na iya ƙara haɓakar lantarki tsakanin barbashi, don haka yana hana tarawa da blocculation na barbashi.
Tasirin cajin: Cajin HPMC na iya canza ragi na barbashi, ƙara haɓakar lantarki tsakanin barbashi, kuma jinkirtar dabi'un mutane don tara.
Cire tsarin tsarin colloidal: A wasu tsarin da aka tsara, HPMC na iya taimakawa daftarin karya da kuma hana su kasancewa da ƙarfi saboda sojojin Van Der Wauts ko wasu sojoji masu kyan gani.
3. Steric hana tasiri
Kwayoyin HPMC na iya samar da shimfidar shinge na spatial a cikin dakatar, wanda zai iya hana tarawar ta jiki tsakanin barbashi, ta hanyar ƙara kwanciyar hankali na dakatarwa.
Abubuwan fashewa: Kwayoyin kwayoyin halittar HPMC suna haifar da matsala mai ƙarfi a kusa da m barbashi, wanda za a iya hana barbashi ta gabatowa, ta haka ne rage yiwuwar tarawa da sleitimationation.
Duridar Lantarki: Saboda kasancewar kwayoyin HPMC, an rage lamba kai tsaye tsakanin barbashi ya ba da damar dakatar da raguwar lokaci.
4. Aiki
Aikin farfajiya na HPMC yana ba da izinin adsorb a saman barbashi mai ƙarfi don samar da ingantaccen shafi. Wannan shafi ba kawai ya daidaita saman barbashi ba, har ila yau, inganta hydroficity na barbashi, yana sa su sauƙin watsa a cikin kafofin watsa labarai na ruwa.
Canjin ƙasa: Ta hanyar adsorbing a saman barbashi, hpmc na iya canza kayan aikin jiki da sunadarai na barbashi surface da ƙara watsawa da kwanciyar hankali da kwanciyar hankali.
Rage tashin hankali na Interfacial: Ayyukan farfajiya na HPMC na iya rage tashin hankali na ciki tsakanin matsakaici mai ruwa da kuma m barbashi a koda a kori barbashi.
Misalan aikace-aikacen HPMC a cikin dakatar da na daban-daban
Charensions na Nuna
A cikin dakatarwar magungunan miyagun magunguna, ana yawan amfani da HPMC don daidaita yanayin kayan masarufi na yau da kullun. Ta hanyar daidaita taro da nauyin kwayar cutar kwayar cutar hpmc, ana iya rarraba kayan kaddarorin dakatarwa, saboda amfani, tabbatar da daidaito na inganci.
A cikin dakatarwar baka na wasu maganin rigakafi ko maganin ƙwayoyin cuta, ana amfani da HPMC azaman mai kauri don tsabtace ƙwayar cuta yayin samar da dandano da ruwa.
An dakatar da dakatarwar kashe
A cikin shawarwarin kashe kwari, HPMC na iya inganta tsantaccen watse barbashi a cikin ruwa kuma rage ingancin magungunan qwari, don inganta aiki da ingancin ƙwayoyin cuta amfani.
A cikin maganin kashe kwari ko hpmc za a iya amfani dashi azaman watsawa da thickener don tabbatar da cewa a hankali sinadari na magungunan kashe qwari.
Abincin abinci da na kwastomomi
A cikin masana'antar abinci da kayan shafawa, an yi amfani da HPMC sosai azaman mai tsinkaye da kuka. Misali, a cikin samfura kamar emulsions ko cream, hpmc na iya inganta yanayin yanayin samfurin kuma hana stratification da hazo.
A cikin cream na fata, za'a iya amfani da HPMC azaman mai kauri don samar da kayan m da haɓaka kayan aiki na Emulsification, kuma moisurizing sakamakon samfurin an inganta.
HPMC tana shafar kwanciyar hankali ta hanyoyin da yawa, gami da karancin danko, haɓaka sakamako mai illa, samar da tasirin lantarki, yana samar da farfadowa da aiki. Waɗannan hanyoyin suna aiki tare don yin kayan aiki mai inganci don haɓaka kwanciyar hankali. Aikace-aikacensa mai fadi a cikin filayen magani, magungunan kashe qwari, abinci da kayan kwalliya sun kara tabbatar da mahimmancinta a matsayin maimaitawa. A nan gaba, kamar yadda ake buƙata don aikace-aikacen dakatarwa na ci gaba, da bincike da aikace-aikacen HPMC za su ci gaba da zurfafa.
Lokaci: Feb-17-2025