Hydroxypyl Methylcelllose (HPMC) bu polymer-solubles na-ejikarị ya na ọgwụ, nri, ihe na-ewu ụlọ na ubi ndị ọzọ. Ogo ogo ya na-emetụta arụmọrụ na nkwụsi ike nke ngwaahịa a.
1. Ọdịdị na agba
Ọdịdị na agba na-abụkarị usoro usoro iji nyochaa ogo nke hydropyylthylthylthylthylthyl. Ezigbo mma HPMC na-acha ọcha ma ọ bụ na-acha ọcha - na-acha ọcha na edo edo na-acha. Agba ahụ ekwesịghị ịdị edo edo, aja aja ma ọ bụ ọ bụla na-aghị ezo, nke nwere ike ịbụ n'ihi mmebi nke na-adịghị ọcha ma ọ bụ na-adịghị mma n'oge usoro ọgwụgwọ. Ọ bụrụ na agba ahụ dị njọ, ọ nwere ike igosipụta na enwere nsogbu na batrị na nyocha ndị ọzọ achọrọ.
2.
Nketa nha bụ otu n'ime ihe ndị dị mkpa na ịtụle ogo HPMC. HPMC nke ezigbo mma na-enwekarị otu uru. Nnukwu ma ọ bụ nke pere mpe ma ọ bụ nke ga-emetụta mmụọ ya na ngwa ndị dị mma. Enwere ike ịlekọta nha uru site na ịchafụ ma ọ bụ akwa akwa urughuru. Nwere ike ibute akụkụ dị mma ma metụta ọkwa ya na otu. Enwere ike iji usoro dị iche iche a na - emepụta ihe dị iche iche na - ejikwa nkesa nke irighiri ihe iji hụ na HPMC nwere ike ịrụ ọrụ nke ọma.
3.
Mmiri na-esochi hpmc bụ ihe ngosi dị mkpa maka ịtụle ogo ya. A na-emetụta solublity na-emetụtakarị molecular na ogo nke ihe eji eme ihe hydroxyl na methyl. HPMC HPMC nwere ike igbari ngwa ngwa na mmiri iji mepụta transperent na edo edo. Iji nwalee mmiri, enwere ike ịgbakwunye otu HPMC na mmiri, kpaliri ya na ụfọdụ okpomọkụ, ọsọ ya na uwe ndị a ga-enwe ike ịhụ. Ọ bụrụ na ọ na-agbada nwayọ ma ọ bụ na-arụpụta insulable lumps, ọ nwere ike ịbụ na a na-ahụghị ụdị HPMC.
4. Nyocha viscosity
Viccosite nke HPMC bụ ihe ngosi arụmọrụ nke ogo ya, ọkachasị mgbe ejiri ya dị ka onye na-eme mkpọtụ ma ọ bụ ndị nnọchi anya. A na-enwekarị viscosity na ogo molecular na ogo nke nbanye HPMC. Enwere ike ịnwale viscosity ya site na vitational vitational ma ọ bụ RHEOTETETETEMET iji nyochaa ihe ndị na-enweghị atụ. N'ezie, viscosity hpmc kwesịrị kwụsiri ike n'ime ụfọdụ iji hụ na arụmọrụ ya na ngwa dị iche iche.
Mgbe a ga-enyocha viscosity, HPMC kwesịrị ka etisasịsị na ụfọdụ ịta mmiri, a ga-enyocha ọnọdụ okpomọkụ nke ihe ngwọta dị iche iche a ga-atụ. Ọ bụrụ na viscosis adịghị njọ, ọ nwere ike imetụta arụmọrụ nke HPMC, ọkachasị na ngwa sitere na mkpa ndị dị elu.
5. Mkpebi nke ogo nke nbanye
Oru nke nbanye (DS) na-ezo aka na ọnụego nke hydroxyPropyyl nathyl na HPMC Molekule. Ogo nke dochie anya ya na aru oru ya, viscosity na ihe ndi ozo. Usoro dị ka infrared Sticreacy (FTAR) na-ejikarị usoro ngụkọta (NMR) na-enyocha ọdịnaya nke methyl na ìgwè ụmụ irighiri ihe na HPMC.
Maka hpmc dị elu, ogo nke nnọchi kwesịrị ịbụ n'ime oke akọwapụtara. Oke dị elu ma ọ bụ dị ala nke nnọchi anya nwere ike ibute arụmọrụ na-enweghị ike ma metụta ogo ngwaahịa ikpeazụ. Dịka ọmụmaatụ, nnọchi methyl nwere ike imetụta mmiri ya, ebe obere ihe nwere ike imetụta arụmọrụ ya.
6.. Mkpebi nke afọ ojuju mmiri
Ọdịnaya mmiri bụ otu n'ime ihe dị mkpa na-emetụta ogo HPMC. Ọdịda mmiri dị oke elu nwere ike ibute ngwaahịa ahụ ka ọ bụrụ ihe ngosi na agglomerate, si otú ahụ na-emetụta arụmọrụ ya. A na-ekpebi afọ ojuju mmiri site na nkụ ma ọ bụ karl Fischer. Ihe odide mmiri nke Hpmc kwesịrị na-erughị 5% iji hụ na ogo ya anaghị agbanwe agbanwe n'oge nchekwa na iji.
7. Nwalee
Uru PH nke HPMC Ngwọta bụkwa ihe ngosipụta dị mkpa nke ogo ya. Ihe ngwọta nke HPMC kwesịrị ịnwe uru ph dị nkọ, n'ozuzu n'etiti 4.0 na 8.0. Ihe ngwọta acidic ma ọ bụ alkaline nwere ike imetụta nkwụsi ike ya na ọrụ ya na ngwa ahụ. Enwere ike kpebie uru nke PH site na ịlele pH nke ngwọta site na iji otu pH.
8. Nnwale microbiological
HPMC bụ ihe kacha sie ike na ụlọ ọrụ ọgwụ na ngwaahịa ọgwụ, mmetọ akụrụngwa ya chọrọ nlebara anya pụrụ iche. Mmetụta microbial ọ bụghị naanị na-emetụta nchekwa nke ngwaahịa ahụ, mana enwere ike ịkpatara ngwaahịa ahụ ịka njọ ma ọ bụ na-emebi arụmọrụ. Enwere ike ịme nnwale microbial site na ọdịbendị, pcr na ndị ọzọ iji hụ na ụkpụrụ dị ọcha nke HPMC na-ezute usoro iwu dị mkpa.
9. Acrmogravimetric nyocha (TGA) na scannimetry (DSC)
Enwere ike iji ihe nyocha ahụ (TGA) na scranning carorimetry (DSC) nwere ike iji ya na-amụ ihe mkpuchi nke HPMC na njiri mara ya n'oge ikpo ọkụ. Thezọ ndị a nwere ike ịnweta data dị mkpa dịka oke ọnwụ, na-agbaze na-agbaze, na mmanụ ọkụ nke hpmc na ọnọdụ dị iche iche iji nyere aka chọpụta ma ọ na-emezu ihe ndị achọrọ ngwa.
10. Mkpebi nke chloride ọdịnaya
Ọ bụrụ hpmc nwere nnukwu chloride, ọ ga-emetụta onye na-akwado ya na nkwụsi ike. Enwere ike ikpebi ọdịnaya ya site na ire ọkụ Photometry ma ọ bụ titaltiometric tit. Ọdịnaya Chloride nke HPMC nwere ezigbo mma ekwesịrị ịchịkwa ya iji hụ na nchekwa na arụmọrụ ya.
Forzọ ndị a dị n'elu nwere ike ịchọpụta ogo nke hydypylthylthylthylthylthylthylthyllcellose, gụnyere ọdịdị, sọọsọ, viscosity, ọdịdị mmiri, ọdịnaya mmiri na akụkụ ndị ọzọ. Ngwa dị iche iche nwere ihe dị iche iche maka HPMC, yabụ mgbe ị na-atụle ogo ya, ọ dị mkpa ịme nnwale zuru oke na mkpa nke mpaghara ngwa ụfọdụ. Usoro ule ndị a nwere ike ịhụ nkwụsi ike, arụmọrụ na nchekwa nke ngwaahịa HPMC, na-enye nkwa maka ngwa ha dị elu.
Oge post: Feb-14-2025