Hydroxypyl methypchopyl (HPMC) polymer ne mai ban sha'awa sosai a cikin masana'antu daban-daban, gami da abinci, kayan kwalliya, abinci, da abinci. Ikonsa na samar da gels, fina-finai, da mafita yana sa ya zama mai mahimmanci ga aikace-aikace da yawa. Hydration na HPMC muhimmiyar mataki a cikin matakai da yawa, saboda yana ba da damar polymer don nuna abubuwan da suke so yadda yakamata.
1. Fahimtar HPMC:
HPMC wani yanki ne na selulose kuma an samar da shi ta hanyar magance provulose tare da propylelene opse da methyl chloride. An nuna shi ta hanyar ruwa-karancin ƙarfinsa da kuma ikon samar da m, a tsallakewa gels. Matsakaicin Hydroxypropyl da Metoxyl Canja yana shafar kaddarorinta, gami da karancin karuwa, danko, da halayen geation.
2. Muhimmancin hydration:
Hydration yana da mahimmanci don buɗe ayyukan HPMC. Lokacin da HPMC anyy, yana fama da ruwa kuma yana kumbura, yana haifar da samuwar maganin viscous ko gel, gwargwadon taro da yanayi. Wannan jihohin da ke haifar da HPMC don aiwatar da HPMC don aiwatar da ayyukan da aka yi niyya, kamar su tsinkaye, Gelling, fim-forming, da kuma ci gaba da sakin magani.
3. Hanyar hydration:
Akwai hanyoyi da yawa don hpmc hpmc, gwargwadon aikace-aikacen da ake so a kan:
a. Cold Ruwa mai sanyi:
Wannan hanyar ta ƙunshi watsawa foda a cikin ruwan sanyi yayin motsa jiki a hankali.
An fi son watsawa na ruwan sanyi don hana clumping da tabbatar da hydration uniform.
Bayan watsawa, yawanci ana yarda da mafita ga hydrate kara a cikin matsanancin tashin hankali don cimma dankan da ake so.
b. Ruwa mai zafi:
Ta wannan hanyar, an tarwatsa foda a cikin ruwan zafi, yawanci a yanayin zafi sama da 80 ° C.
Ruwa mai zafi yana sauƙaƙe m hydration da rushewa na HPMC, wanda ya haifar da mafita.
Dole ne a kula da shi don kauce wa matsanancin dumama, wanda zai iya lalata hpmc ko haifar da samarwa.
c. Rashin daidaituwa:
Wasu aikace-aikace na iya kunsa suuterring HPMC Sallolin HPMC tare da Manaline wakianni kamar sodium hydroxide ko potassium hydroxide.
Matsakaicin daidaitawa yana daidaita da ph na maganin, wanda zai iya tasiri da danko da geangsi kaddarorin HPMC.
d. Canja:
Hakanan za'a iya murkushe HPMC ta musayar musayar, inda aka tarwatsa shi a cikin ruwa mai ruwa-ruwa kamar ethanol ko methanol sannan ya canza shi da ruwa.
Musayar da ake zargi na iya zama da amfani ga aikace-aikacen da ke buƙatar ingantaccen iko akan hydration da danko.
e. Pre-hydration:
Pre-hydration ya hada da soaking hpmc a cikin ruwa ko sauran ƙarfi kafin a haɗa shi cikin tsari.
Wannan hanyar tana tabbatar da cikakken hydration sosai kuma yana iya zama da amfani game da cimma sakamako mai mahimmanci, musamman ma cikin hadaddun tsari.
4. Abubuwa sun shafi hydration:
Abubuwa da yawa suna tasiri hydration na HPMC:
a. Girman barbashi: Fullely milled hpmc foda hydrates mafi hankali fiye da m barbashi saboda karuwar yanki.
b. Zazzabi: Babban yanayin zafi gabaɗaya yana iya hanzarta hydration na ruwa amma zai iya tasiri danko da halayen geration na HPMC.
c. PH: PH na hydration matsakaici na iya shafar ioniz da yanayin HPMC kuma sakamakon haka ya hyderics da kaddarorinsu na rherical.
d. Haɗawa: Haɗin da ya dace ko tashin hankali yana da mahimmanci don ƙwayoyin cuta da watsawa na barbashi na HPMC a cikin sauran ƙarfi.
e. Taro: maida hankali game da hpmc a cikin m hydrac yana tasiri ga danko, ƙarfafawa, da sauran kaddarorin na sakamakon sakamako ko gel.
5. Aikace-aikace:
HPMC ta sami aikace-aikace daban-daban a cikin masana'antu daban-daban:
a. Magani da aka kirkira: A cikin kayan kwalliya na kwamfutar hannu, matricies na saki, ophthalmic mafita, da dakatarwar.
b. Abubuwan abinci: A matsayina mai kauri, ko wakili na fim a cikin biredi, sutura, kayayyakin kiwo, da kayan kiwo, da kayan kwalliya.
c. Kayan shafawa: A cikin cream, lotions, gels, da sauran kayan haɗin danko da emulsification.
d. Abubuwan Gidaje: A cikin samfuran kayayyaki, adonarfafa tile, da kuma shiga don inganta aiki, riƙewar ruwa, da kuma adhesion.
6. Ikon ingancin:
Ingancin hydration na hpmc yana da mahimmanci ga aikin kayan aiki da daidaito. Matakan sarrafawa mai inganci na iya haɗawa da:
a. Binciken girman barbashi: tabbatar da daidaituwa na rarraba girman barbashi don inganta hydration rydration.
b. Girkawa game da danko: danko a lokacin hydration don cimma daidaito na aikace-aikacen da aka yi nufin.
c. Gudanar da Kulawa: Gudanar da PH na Hydration Matsakaici don inganta hydration da hana lalata.
d. Binciken microscopic: Binciken gani na samfuran hydrated a karkashin microscope don tantance watsawa da mutunci.
7. Kammalawa:
Hydration ne wani tsari na asali cikin matsalar kaddarorin HPMC don aikace-aikace iri-iri. Fahimtar hanyoyin, dalilai masu inganci suna hade da hydration yana da mahimmanci don inganta aikin samfuri da tabbatar da daidaito a cikin tsari. Ta hanyar kwantar da hydration na HPMC, masu bincike da kuma dabarunsu na iya buše cikakken damarta a duk manyan masana'antu da ci gaban da ci gaba.
Lokaci: Mar-04-020