ʻO Hydroxyprooppropyl Millyl Cellulouse (HPMC) kahi polymer ka mea e loaʻa ana i nāʻoihana'ē aʻe, e hana i nā hale kūʻai, nā mea kanu, a me nā mea kanu ʻO kāna mau noi noi mai nā mea hana mai kona mau waiwai kūʻokoʻa, e like me ka mana o ka film-hana ʻO ka maikaʻi o ka HPMC he koʻikoʻi no ka hōʻoiaʻana i ka hopena a me nā palekana o nā huahana i hoʻohanaʻia ia.
1. Minimpical Composition:
ʻO ka huiʻana o ka chempition o ka hpmc ke kumu nui i konaʻano. ʻO HPMC kahi mea e loaʻa ai ka cellouse, hoʻololiʻia ma o nā kaʻina hana hydroxyprodlation a me nā kaʻina hoʻohālike. ʻO ke kiʻekiʻe o ka hoʻololiʻana (DS) o ka hydroxyproopsl a me nā hui methoyxy nui loa i nā waiwai. ʻOi aku ka nui o nā waiwai iʻoi aku i ka hopena o ka wai i hoʻonuiʻia a hoʻemi i ka mahana o ke kaʻa. ʻO nāʻenehana loea e like me ka mea e like me ka belnetic magnetic (nmr) spectorscopy a infrared (ir) e hana i ka checporcopy maʻamau a me nā ds o HPMC
2.
ʻO ka maʻemaʻe heʻano koʻikoʻi o ka maikaʻi o HPMC. Hiki i nā haumia ke hoʻopilikia i ka hana a me ka paʻa o nā huahana. ʻO nā mea maʻamau e hoʻopili i nā mea kūlohelohe, nā metala kaumaha, a me nā meaʻino. ʻO nāʻano hana likeʻole e like me keʻano o ka chromatography kiʻekiʻe (HPLC)
3.Molecular paona:
ʻO ke kaumaha molecular o ka HPMC i nā waiwai RHEOBIcal kona mau waiwai RHEOBIKA, Solubility, a me ke kiʻiʻoniʻoni. ʻOi aku ka nui o nā molecular kiʻekiʻe loa HPMC maʻamau e hōʻikeʻia anaʻo Viscosity nui a me ka ikaika o ke kiʻiʻoniʻoni. ʻO Gel Permeatation chromatography (GPC) kahiʻano maʻamau i hoʻohanaʻia no ka hoʻoholoʻana i keʻano o ka molmcular
4.
ʻO keʻano he nui o ka Viscosity no ka maikaʻi o HPMC ʻO ka Viscosity o nā hopena HPMC e hoʻopilikiaʻia e nā mea e like me ka mea e like me keʻano, a me ka wela. Nāʻanoʻano visometric Visomert
5.PH a me nāʻike nui:
Hiki i kaʻike o ka PH a me ka Mokuahi o HPMC e hiki ke hopena i kona kūpaʻa a me ke kūlike me nā mea'ē aʻe i nā mea hana'ē aʻe. He mea nui loa kaʻikeʻana o ka moisture e like me ka nui o ka mistiture i hiki ke alakaʻi i ka uluʻana o ka microbial a me ka lepo o ka HPMC. Ua hoʻohanaʻiaʻo Karl i ka moʻaʻoihana noholiʻi ma kaʻaoʻao o ka huiʻia o kaʻike,ʻoiai mau nōʻo PHI UP mau mea hana no ke ana phi.
6.Particle ka nui a me ka morphology:
ʻO ka'āpana nui a me ka morphology e pāʻani i kahi hana koʻikoʻi i loko o nā waiwai kahe a me kaʻaeʻole o nā poʻe HPMC. ʻO nāʻenehana e like me keʻano o ka laser e like me ka clanchecking electron (sem) e hoʻohanaʻia e hōʻike ai i ka hoʻoiliʻana i ka modeccle a me ka morphology o HPMC.
7.ʻO nā waiwai:
Nā manaʻo kūlohelohe e like me ke aniani o ke aniani (tg) a me keʻano degradation e hāʻawi i nā kūlana a me nā kūlana o ka hpmc. ʻO nā carnametry scantimetry likeʻole
8.Gelation a me ke kiʻi kiʻi kiʻi:
No nā noi noi e koi ana i ka hana gel a iʻole keʻano kiʻi kiʻiʻoniʻoni Hoʻohanaʻia nā anano rheological a me nā kiʻi paʻi kiʻi e loiloi i kēia mau waiwai ma lalo o nā kūlana kūpono.
Ka loiloiʻana i ka maikaʻi o keʻano o ka hydroxyprooppyl milllulse cellulouse Hoʻohanaʻia nāʻano hana likeʻole e loiloi i kēia mau'āpana, e hōʻoiaʻiʻo ana e hoʻokōʻo HPMC i nā kiko'ī e pono ai. Ma ka mālamaʻana i nā kūlana kiʻekiʻe, hiki i nā mea hana HPMC ke hiki ke hōʻoia i ka hopena, palekana, a me ka hanaʻana o nā huahana ma kēlā me kēiaʻoihana.
Post Time: Feb-18-2025