HydroxypropypropikopyLulose ke polymer ea tukang ea metsi e etsang tharollo e hlakileng le e tsitsitseng ka metsing mme e sebelisoa haholo ho meriana ea meriana ebile e sebelisoa haholo ho pharmatical. Ke thepa e sa ratoang e tsoang celluulose e ntlafatsang celfoule e ntlafatsang le thepa e hokahanyang ea sehlahisoa sa ho qetela. Bakeng sa ho netefatsa ts'ebetso ea boleng bo phahameng ea hydroxypropyLe methylceluse, sehlahisoa se hloka ho etsa le ho tšoaneleha pele u sebelisoa. Sehloohong sena, re tla tšohla mekhoa e meraro e tšepahalang ea ho bolella boleng ba hydroxypropylase methylcellulose.
1. Teko ea ViscoSity
Litaba tsa HydroxypropyL methylcelulose ke paramente ea bohlokoa ho khetholla boleng ba eona. Viscosity ke ho hanyetsa ha mokelikeli ho phalla mme o lekantsoe ho Centipoise (CPS) kapa MPA. Lifuba tsa HydroxypropyL methylcelulose li fapana ho ea ka boima ba eona ba limolek'hule le degree ea eona. Ho phahamisoa ha sebaka, ho theola sehlahisoa.
Ho leka liketsahalo tsa hydroxypropyLe methylcelulose, li qhibilihisa sehlahisoa se fokolang ka metsing ebe o sebelisa phihlelo ho lekanya pono ea tharollo. Kelello ea tharollo e lokela ho ba kahare ho mofuta o khothalletsoang e fanoeng ke mofani oa sehlahisoa. Sehlahisoa se setle sa boleng ba hydroxypropyl sa sehlahisoa se setle se lokela ho ba le pono e sa fetoheng, e leng sesupo sa bohloeki le boholo ba likarolo tse tšoanang.
2. Teko ea sebaka
Tekanyo ea sebaka se bua ka karolelano ea lihlopha tsa li-hydroyl tse sehiloeng ka celdrouddy e nonneng ea hydroxypropity kapa lihlopha tsa methyl. Tekanyo ea ho nka karolo ke sesupo sa bohloeki ba sehlahisoa, ho phahama ha sebaka, ho se hloeka sehlahisoa. Lihlahisoa tse phahameng tsa hydroxypropyl methylcelu ka li lokela ho ba le sebaka se phahameng sa ho ema haholo.
Ho leka degree ea sebaka, karolo e 'ngoe e etsoa ka sodium hydroxide le hydrochloric acid. Lekola hore na ho hlokahala horelo ea sodium hydroxide hydraxypropyproppyl ke leqewyl
Degree of naoh] x [Molarity oa Naoh] x 162) /
Degree of Stick e lokela ho ba ka har'a mofuta o khothalletsoang e fanoeng ke morekisi ea fanang ka sehlahisoa. Tekanyo ea ho nka karolo ea li-hydropypropyl methylcelulose e ntle e lokela ho ba kahare ho tsela e khothalletsoang.
3. Teko ea sogitle
SELUBE ea hydroxypropypropyLe kethylcelulose ke paramente e 'ngoe ea bohlokoa e khethollang boleng ba eona. Sehlahisoa se lokela ho emisoa habonolo metsing mme ha se sebopeho kapa li-gels. Lihlahisoa tsa boleng bo holimo tsa hydroxypropyl li lokela ho qhibiliha kapele haholo.
Ho etsa tlhahlobo ea soko, hlakola sehlahisoa se nyane ka metsing mme se tsosa tharollo ho fihlela e ferekane ka botlalo. Tharollo e lokela ho hlaka le ho se be le litlatse kapa li-gels. Haeba sehlahisoa se sa qhele bonolo haholo kapa se hlapanya li-pips kapa lihlekehlekeng, e ka ba letšoao la boleng bo fokolang.
Qetellong, hydroxypropyproppyl methylcelulose ke lisebelisoa tsa bohlokoa tse sebelisoang indastering e fapaneng. Bakeng sa ho netefatsa boleng bo phahameng ba sehlahisoa, lipehelo tsa pono le liteko tsa alolu lia etsoa. Liteko tsena li tla thusa ho utloisisa litšobotsi tsa sehlahisoa le thuso ho khetholla boleng ba tsona. Lisebelisoa tse phahameng tsa hydroxypropyLe methylcelulese e e-na le pono e ts'oanang, karolo e phahameng ea sebaka, hape e qhibilihe ka metsing ka tsela e sa nepahalang le ka mokhoa o tšoanang ka metsing.
Nako ea poso: Jul-11-2023