I-HPMC (Hydroxypropyl methylcelcelcelsulose)Ngaba i-polymer ye-ionic ye-ionic ye-unic ye-IIni-Syntmer isetyenziswe ngokubanzi kumayeza, ukutya, ukwakhiwa, iingubo, amanye amaxabiso kunye namanye amashishini. Malunga nokuba i-HPMC inokupheliswa ngamanzi ashushu, iimpawu zayo zomelezelelo kunye nesiphumo seqondo lobushushu lendlela yokuziphatha kwalo kufuneka iqwalaselwe.
Amagqabantshintshi e-HPMC Solubity
I-HPMC inomoya olungileyo wamanzi, kodwa indlela yokuziphatha yayo ihambelana ngokusondeleyo nobushushu bamanzi. Ngokubanzi, i-HPMC inokusasazeka ngokulula kwaye ichithwe kumanzi abandayo, kodwa ibonisa iimpawu ezahlukeneyo emanzini ashushu. Ukunyibilisela i-HPMC kumanzi abandayo kuchaphazeleka ikakhulu yimo yemolekyuli yayo kunye nohlobo oluthathekileyo. Xa i-HPMC iza kudibana namanzi, amaqela e-hydrophilic (njenge-hydroxyl kunye ne-hydroxyl) kwiimolekyuli zayo eziza kwenza iimolekyuli ze-hydrogen ezineemolekyuli zamanzi, zibangela ukuba inyibilikiswe. Nangona kunjalo, iimpawu zezobubi ze-HPMC zahlukile emanzini kubushushu obahlukeneyo.
Ukungasebenzi kwe-HPMC ngamanzi ashushu
Ukunyibilisela i-HPMC kumanzi ashushu kuxhomekeke kuluhlu lobushushu:
Iqondo lokushisa eliphantsi (0- 40 ° C): I-HPMC inokufumana amanzi kwaye idumbe, kwaye ekugqibeleni yenza isisombululo esibonakalayo okanye sokudumisa. Inqanaba lokuchithwa lihamba kancinci kumaqondo obushushu asezantsi, kodwa ukuhlaselwa akwenzeki.
Iqondo lokushisa eliphakathi (40-60 ° C): I-HPMC Shushu kolu luhlu lwamaqondo, kodwa alunyibili ngokupheleleyo. Endaweni yoko, ngokulula icacisa ngokulula i-agglomerates engalinganiyo okanye imisosiso, echaphazela ukufana kwesisombululo.
Ubushushu obuphezulu (ngaphezulu kwe-60 ° C): I-HPMC iya kufikelela kwinqanaba lokwahlula-hlulwa kumaqondo obushushu aphezulu, abonakaliswe njengobubi okanye ukwenziwa kwaphela, kukwenza kube nzima ukunyibilikisa. Ngokubanzi, xa ubushushu bamanzi bugqitha kwi-60-70 ° C, intshukumo ye-HPMC ye-HPMC iyaqinisa, kwaye i-solity yayo ihla, kwaye ekugqibeleni inokwenza ijeli okanye i-chacapcal.
Iipropathi ze-thermoge ze-HPMC
I-HPMC ineepropathi eziqhelekileyo zeTermogel, oko kukuthi, iyenza ijeli kumaqondo obushushu aphezulu kwaye anokuphinda afuduke amaqondo obushushu asezantsi. Le ndawo ibaluleke kakhulu kwizicelo ezininzi, ezinje:
Ishishini lokwakha: I-HPMC isetyenziswa njenge-thi checkener yokufa. Inokugcina ukufuma kakuhle ngexesha lokwakha kunye nokubonisa ukungqubana kwiindawo zobushushu obuphezulu ukunciphisa ukulahleka kwamanzi.
Amalungiselelo amachiza amayeza: Xa isetyenziswa njengezinto zokuhamba kwiitafile, iipropathi zayo zokurhafisa kufuneka ziqwalaselwe ukuqinisekisa ukuzomelela kakuhle.
Ishishini lokutya: I-HPMC isetyenziswa njenge-thi chulener kunye ne-mulsifier ngokutya, kwaye ukubethwa kwe-surmal kunceda uzinzo lokutya.
Ungayichitha njani i-HPMC ngokuchanekileyo?
Ukwenzela ukuthintela i-HPMC ukusuka kwi-gel kumanzi ashushu kwaye usilele ukunyibilikisa ngokulinganayo, ezi ndlela zilandelayo zihlala zisetyenziswa:
Indlela yokusasazwa kwamanzi ebandayo:
Okokuqala, ukusasaza i-HPMC kumanzi abandayo okanye amaqondo obushushu egumbi ukuya kumanzi ngokupheleleyo kwaye ndimbeke.
Ngokuthe ngcembe bayonyusa iqondo lobushushu ngexesha lokuvuselela ukuya phambili i-HPMC.
Emva kokuba ichithwe ngokupheleleyo, amaqondo obushushu anokunyuka ngokufanelekileyo ukukhawulezisa ukwenziwa kwesisombululo.
Indlela eshushu yokusasazeka kwamanzi:
Okokuqala, sebenzisa amanzi ashushu (malunga ne-80-90 ° C) ukusasaza ngokukhawuleza i-HPMC ukuze i-HELMC ye-inkcings isenziwa kumphezulu wayo ukuthintela ukwenziwa kwayo ngokutsha kweempuphu.
Emva kokupholisa ubushushu begumbi okanye ukongeza amanzi abandayo, i-HPMC ngokuthe ngcembe iyanyibilika ukwenza isisombululo se-iyunifomu.
Indlela yokudibanisa eyomileyo:
Hlanganisa i-HPMC kunye nezinye izinto ezinyibilikayo (ezinjengeswekile, isitatshi, iMannitol, njl njl) kwaye songeza amanzi ukunciphisa i-adgimetion kwaye ukhuthaze ukonakala okungafaniyo.
I-HPMCAyikwazi ukuphoswa ngokuthe ngqo emanzini ashushu. Kulula ukwenza ijeli okanye i-pictate kubushushu obuphezulu, onciphisa isolula. Eyona ndlela iphambili yokuchithwa kukusasazeka kumanzi abandayo kuqala okanye ukusasazeka kwangaphambili ngamanzi ashushu kwaye emva koko kupholile ukufumana isisombululo esifanayo nesizinzileyo. Kwisicelo esisebenzayo, khetha indlela efanelekileyo yokuchithwa ngokokuqinisekisa ukuba i-HPMC yenza okona kulungileyo.
Ixesha lasemva kwexesha: Mar-25-2025