HPMC (hydroxypyl methyl cellulose) bụ ihe na-ejikarị cellose na-eji n'ọtụtụ ụlọ ọrụ, ọkachasị na njikwa visces na ndị na-enweghị ọhụụ. N'ihi ihe owuwu ya pụrụ iche na akụrụngwa ya, Hpmc nwere ike ime ka ọhụụ viscosity, nkwụsi ike na ihe ndị na-ada na ngwaahịa rheoloulo. Ya mere, a na-eji ya eme ihe n'ọtụtụ ebe na mkpuchi, ụlọ, ọgwụ, ihe ịchọ mma, nri na ubi ndị ọzọ.
Njirimara nke HPMC
HPMC bụ ihe polymer mere site na kemịkal sellulose dum. Mkpụrụ obi ya nwere hydrophilic otu na otu hydrophobic otu, yabụ, ọ nwere ezigbo mmiri sosbility na ndakọrịta. Ọ na-agbaze na mmiri oyi iji mepụta usoro virus ma ọ bụ nke transcolont. Ihe njiri mara nke HPMC gụnyere:
Ngwongwo ndị dị oke egwu: HPMC nwere ike ime ka viscosity dị ala na ala dị ala, na-enye mmetụta dị elu. Nke a na - eme ka ọ bụrụ ihe dị mkpa na ngwaahịa mmepụta ihe dịka ụlọ na mkpuchi iji melite arụmọrụ ngwa ahịa ahụ.
Njikwa Nmapụta dị mma: HPMC nwere ike nweta njikwa viscosise Victise Visate site na idozi ogo mobiwu ya na ogo Methoxy na Hydroxypyl akara nke ọnọdụ ngwa dị iche iche. Dịka ọmụmaatụ, na ụlọ ọrụ mkpuchi, HPMC nwere ụdị viscosities dị iche iche nwere ike ịnye ọkwa dị iche iche na ọrụ maka mkpuchi.
Ezigbo mgbanwe Rheelogical: Njirimara Njirimara nke HPMC nwere ike ịgbanwe na mgbanwe na ọnụego ya. Nke a pụtara na mgbe ị na-edetu, ọ na-etolite ụdị sovit dị ukwuu mgbe a na-etinye ndị agha na-agbadata (dị ka ịgbatị ma ọ bụ spraying), na-eme ka ngwaahịa ahụ dị mfe itinye. N'ime ụfọdụ ihe na-enweghị atụ, njirimara a nke HPMC dị ezigbo mkpa.
Ezi biocompatibility na na-abụghị ihe na-egbu egbu: HPMC sitere na sellulose, nwere ezigbo biocompatibility, bụ ihe na-adịghị mma, na-enweghị mgbakasị, ma na-enwekarị iwe. Ya mere, ọ nwere ihe nchekwa dị elu na nyocha, ọgwụ, nri, nri, wdg na-ejikwa ya n'ọtụtụ ebe.
Usoro dị iche iche nke hpmc na ngwaahịa mmepụta ihe
Njirimara ndị na-eme mkpọtụ nke HPMC bụ n'ihi ihe owuwu molecular na mmekọrịta nke molecul na ihe ngwọta. Mgbe a gbasasịrị HPMC na mmiri ma ọ bụ ihe nkwado ndị ọzọ, ụgbụ ya macromolialar ga-eme ma na-etolite Bydrogen na Molecules ndị agha, si na-abawanye viscosis nke sistemụ ahụ. Na mgbakwunye, usoro netwọkụ atọ ahụ guzobere site na HPMC na ngwọta bụ isi ihe na arụmọrụ ya na-arụ ọrụ. Akwa molecular na ngwọta HPMC ejikọtara ọnụ iji mepụta ihe owuwu network, nke na-ebelata mmiri nke ihe ngwọta ahụ ma si otú a gosi na-egosi na viscosity.
Maka ọnọdụ ngwa dị iche, enwere ike idozi viscosity HPMC n'ụzọ ndị a:
Ntugharị nke ogo molecular: viscosity nke HPMC na-abụkarị nke ogo molecular ya. Nnukwu molecular ibu, onye dị elu na viscosity nke ihe ngwọta. Ya mere, site na ịhọrọ ngwaahịa HPMC nwere ihe dị iche iche molecular, ihe ngwọta nwere viscosities viscosities iji gboo mkpa nke ngwaahịa ụlọ ọrụ dị iche iche.
Njikwa ogo nke nbanye: Mmetụta ndị na-emekarị nke HPMC nwekwara njikọ chiri anya na ogo ya. Nke dị elu nke nnọchi, ike na hydrophilicity na mmetụta dị mma na-atọ ụtọ. Site na ịchịkwa ogo Methoxy nke Methoxy HPMC na Hydroxyppropyy Dị iche iche, njikwa ya nwere ike ịchịkwa nke ọma.
Mmetụta nke ntinye uche: Ngwọta nke HPMC na ihe ngwọta na-emetụtakwa viocosis ya. N'ikwu okwu n'ozuzu, ka elu ịta nke ihe ngwọta, nke ka ukwuu na viscsse. Ya mere, site na idozi ịta nke HPMC, njikwa nke Vonscosity nwere ike mezuo.
Ebe ngwa na oke mmetụta nke HPMC
A na-ejikarị hpmc na-ejikarị ya dị ka ihe na-achịkwa ndị na-eme ka ahịhịa na-agbasa mkpụrụ osisi ciment, taịlị, na ebe a na-ahụ maka ọdịmma onwe ya. Mmetụta ya na-eme ka mmiri na-abawanye mmiri na ihe ndị a, na-eme ka ọrụ ha dị, ma na-egbochi ịgba ọsọ ma ọ bụ iti mkpu. Karịsịa na gburugburu ebe obibi dị elu, HPMC nwere ike ịgbatị oge mmeghe nke ihe ahụ ma mụbaa arụmọrụ ya.
A na-eji mkpuchi mkpuchi: na ụlọ ọrụ mkpuchi mkpuchi dị ka ihe dị ka nke ukwu ma na-enyo enyo na-eme ka ọ dịkwuo mma ma mee ka ọ dịkwuo mma na sag n'oge mkpuchi. N'otu oge ahụ, HPMC nwere ike inyere agba ahụ aka ijigide nkesa na-etolite, na-egbochi ndozi piet, ma mee ka ihe nkiri kpuchie ya na uwe.
A na-ejikarị ọgwụ ọjọọ na ịchọ mma ọgwụ, na-ejikarị Hụ ọgwụ, na-achịkwa ọnụego ọgwụgwụ nke ọgwụ, dị ka ihe mkpuchi tebụl na capsule shells. Ezi ihe dị mma na-enyere aka melite nkwụsi ike nke ọgwụ ma na-agbatị nsonaazụ ọgwụ. Na ịchọ mma, a na-eji HPMC mee ihe n'ọtụtụ, ude, igwe na ngwaahịa ndị ọzọ iji mee ka ọ dị ndọtị ahụ ma na-eme ka ọ dị nro silky mgbe etinyere ya.
Industrylọ ọrụ nri: A na-ejikarị HPMC na ụlọ ọrụ nri dị ka nke na-eme nri dị ka nke na-ada, karịsịa na ngwaahịa ngwaahịa mmiri ara ehi, commes, jeries na ihe ọveraụ. Ngwongwo ya na-ezighi ezi na enweghị isi na-eme ka ọ bụrụ onye na-ahụ maka nchekwa na ntụkwasị obi nke na-eme ka mkpụrụ osisi na nri dị mma.
HPMC aghọọla ọrụ arụmọrụ dị na ngwaahịa na ngwaahịa ụlọ ọrụ ọgbara ọhụrụ n'ihi oke arụmọrụ na arụmọrụ na viscosise. Site na idozigharị molecular ya, ogo nke dochie anya na ntinye uche, HPMC nwere ike iji mezuo ihe viccosise ngwaahịa dị iche iche. N'otu oge ahụ, ihe na-egbu egbu, ihe nchebe na ihe ndị metụtara gburugburu enwekwara ya ọtụtụ ihe na nri, ọgwụ na ịchọ mma na ubi ndị ọzọ. N'ọdịnihu, na-aga n'ihu n'ọgba nke sayensị na teknụzụ, ngwa nke HPMC ga-abawanye na njikwa ya na njikwa viscosity na arụmọrụ viscosise ma tinye ya.
Oge Post: Sepp-25-2024