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Ifilimu yeHydroxypropyl methylcellulose (HPMC) isebenza kakuhle kakhulu, kodwa ngenxa yokuba iHPMC yijeli yobushushu, i-viscosity kubushushu obuphantsi iphantsi kakhulu, nto leyo engayivumeliyo ukugquma (okanye ukudipha) nokomisa kubushushu obuphantsi ukulungiselela ifilimu etyiwayo, nto leyo ebangela ukusebenza kakubi kokucutshungulwa; kwi ...Funda ngokugqithisileyo»
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Kwilingo kunye nokuveliswa ngobuninzi kweepilisi ze-nifedipine ezikhutshwayo rhoqo, iipilisi zokuthintela ukukhulelwa, iipilisi ze-stomachicangning, iipilisi ze-ferrous fumarate, iipilisi ze-buflomedil hydrochloride, njl.njl., sisebenzisa ulwelo lwe-hydroxypropyl methylcellulose (HPMC), i-Hydroxypropyl methylcellulose kunye ne-polyacrylic acid resin...Funda ngokugqithisileyo»
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IHydroxypropyl methylcellulose (HPMC) isetyenziswa njengenye yezona zinto zibalulekileyo ezisetyenziselwa amayeza ekhaya nakwamanye amazwe. I-HPMC ingasetyenziswa njengearhente yokwenza ifilimu, i-adhesive, i-ejenti yokukhulula eqhubekayo, i-ejenti yokumiswa, i-emulsifier, i-ejenti yokudiliza, njl.njl. Izinto ezisetyenziswa ngamayeza ziyinxalenye ebalulekileyo ye-p...Funda ngokugqithisileyo»
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Ngokuphathelele ingxaki yobushushu bejeli yeHydroxypropyl Methyl Cellulose HPMC, abasebenzisi abaninzi abasoloko beyithathela ingqalelo ingxaki yobushushu bejeli yeHydroxypropyl Methyl Cellulose. Kule mihla, iHydroxypropyl Methyl Cellulose ngokubanzi yahlulwa ngokwe-viscosity yayo, kodwa...Funda ngokugqithisileyo»
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1. Udidi: I-HPMC inokwahlulwahlulwa ibe yi-instant type kunye ne-hot-melt type. Iimveliso ze-instant type zisasazeka ngokukhawuleza emanzini abandayo kwaye zinyamalale emanzini. Ngeli xesha, ulwelo aluna-viscosity, kuba i-HPMC isasazeka kuphela emanzini kwaye ayinakunyibilika ngokwenene. Emva kwemizuzu emi-2, ...Funda ngokugqithisileyo»
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IHydroxypropyl methylcellulose (HPMC) yi-non-ionic cellulose ether eyenziwe nge-cellulose yendalo yepolymer material ngokusebenzisa uthotho lwe-chemical processing. Zingumgubo omhlophe ongenavumba, ongenancasa kwaye ongenatyhefu odumba emanzini abandayo ube yisisombululo se-colloidal esicacileyo okanye esirhabaxa kancinci. Ine-pro...Funda ngokugqithisileyo»
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Coca umva wethayile kuqala. Ukuba amabala, umaleko odadayo kunye nomgubo oshiyekileyo ongasemva kwethayile azicocwanga, kulula ukuqokelelana kwaye ungaphumeleli ukwenza ifilimu emva kokuba iglu ifakiwe. Isikhumbuzo esikhethekileyo, iithayile ezicociweyo zinokupeyintwa ngeglu kuphela emva kokuba...Funda ngokugqithisileyo»
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1. Umxholo wesihloko kunye nobubanzi bokusetyenziswa Le ndlela ichaza izixhobo kunye namanyathelo okusebenza ukuze kuchongwe ukunyibilika kodaka lwesamente. Le ndlela iyasebenza ekuchongeni ukunyibilika kodaka lodaka lwentaba-mlilo isamente yasePortland, isamente edityanisiweyo yasePortland, i-Portland c...Funda ngokugqithisileyo»
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I-Sodium carboxymethyl cellulose (CMC) sisixhobo esiphuma kwi-cellulose esibizwa ngokuba yi-carboxymethylated, esaziwa ngokuba yi-cellulose gum, kwaye yeyona gum ibalulekileyo ye-ionic cellulose. I-CMC idla ngokuba yi-anionic polymer compound efunyenwe ngokuphendula i-cellulose yendalo nge-caustic alkali kunye ne-monochloroacetic acid. I-mol...Funda ngokugqithisileyo»
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Umxholo wothuthu luphawu olubalulekileyo lwe-hydroxypropyl methylcellulose. Abathengi abaninzi badla ngokubuza ukuba xa beyiqonda i-hydroxypropyl methylcellulose: lithini ixabiso lothuthu? I-Hydroxypropyl methylcellulose enomxholo omncinci wothuthu ithetha ubunyulu obuphezulu; i-cellulose enomxholo omkhulu wothuthu ithetha ukuba...Funda ngokugqithisileyo»
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Ixabiso le-pH ngokubanzi leemveliso ze-gypsum li-acid okanye lingathathi cala. Ngoku kukho iintlobo ezimbini ze-hydroxypropyl methylcellulose yodidi lokwakha ezithengiswayo: i-cellulose enyibilikayo kancinci kunye ne-instant cellulose (S). I-Instant cellulose ayifanelekanga kwiinkqubo ze-gypsum. Iimveliso, ukunyibilika kwayo kuphantsi kakhulu...Funda ngokugqithisileyo»
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Ukugcinwa kwamanzi kwiHydroxypropyl Methyl Cellulose yenye yeempawu ezibalulekileyo zeHydroxypropyl Methyl Cellulose. Izinto ezifana nobushushu bomoya, ubushushu kunye nesantya soxinzelelo lomoya ziya kuchaphazela izinga lokuwohloka kwamanzi kwisamente kunye neemveliso ezisekwe kwigypsum. Ke ngoko, kwi...Funda ngokugqithisileyo»