Polypypyl methylcelllose (hpmc) bụ polymel nke na-ahụ ngwa dị ukwuu na ụlọ ọrụ dị iche iche, gụnyere ọgwụ, nri, owuwu, na ihe ịchọ mma. Ngwongwo pụrụ iche ya na-eme ka ọ dị mkpa na usoro ọgwụgwọ chọrọ mgbanwe viscositsottion chọrọ mgbanwe, ihe nkiri, na-eme ihe nkiri, na nkwalite nkwụsi ike. Ghọta ihe mejupụtara ya, usoro nrụpụta, Njirimara, na ngwa nke HPMC dị oke mkpa maka itinye ya n'ọrụ.
1.Compotions nke HPMC
HPMC bụ polymer polymetik sitere na cellose, nke na-eme polsackide hụrụ na ngalaba nke osisi. Usoro nzụlite gụnyere ịgwọ ọrịa cellose na alkali iji mepụta alkali cellulose, nke etherification na propylene oxide na methyl chloride. Nsonaazụ kemịkalụ nke a na mmeghe nke hydroxylyl na methoxy barbone, na-ekwe HPMC.
Odide nke dochie anya (DS) nke otu hydroxyl na methoxy na-ekpebi ihe Njirimara nke HPMC, gụnyere soldọnọ, na-emegharị na njiri mara ihe nkiri. A na-ahụkarị, akara HSMC na elu Ds dị elu na-egosi mmụba na-egosi na mmiri ma kwalite ikike gelenation.
2.preties nke HPMC
Mmiri solubili: a na-agbanye hpmc na mmiri oyi, na-akpụzi ngụcha ọhụụ. Enwere ike ịhazi slublity site na idozi ogo nke nnọchi, ogo molecular ibu, na ọnọdụ okpomọkụ.
Usoro ihe nkiri: HPMC nwere ike ijikọ fim na-agbanwe agbanwe na fim na-egbu egbu. Ihe nkiri ndị a nwere ezigbo ihe mgbochi akụrụngwa, na-eme ha kwesịrị ekwesị maka ngwa mkpuchi na ọgwụ na ụlọ ọrụ nri.
Ngbanwe viscositse: Hpmc gosipụtara na omume pseudoplastic, ebe viero ya na-ebelata na ịba ụba nke ya. A na-eji ụlọ a rụọ ọrụ dị iche iche iji chịkwaa omume na-asọpụta na njiri mara.
Ọnọdụ nkwụsi ike: HPMC na-egosi nkwụsi ike karịa oke okpomọkụ, na-eme ka ọ dị mma maka ngwa chọrọ nhazi ọkụ ma ọ bụ ikpughe elu okpomọkụ.
Ikikere mmiri: HPMC Bururtically internight, dakọtara na ụdị ihe mgbakwunye, ihe ndị na-eme ka ihe ndị na-eme ihe na-arụ ọrụ na ọgwụ na nri.
3.Synhesis nke HPMC
Nchịkọta nke HPMC bụ ọtụtụ usoro:
Ọgwụ Alkali: A na-emeso Alkali, dịka sodium hydroxide, iji mepụta Alkali cellosuse.
Etetherification: a na-emeghachi omume alkali na propylene oxide iji webata otu hydyyl na Cellulose Backbone.
Methylation: celdypyylated celllopose na-emeso methych chloride iji webata otu metoxy, na-ekwenye hpmc.
Ọcha dị ọcha: A na-eme HPMC ahụ dị ọcha iji wepu site na-adịghị ọcha, na-ejide ogo ngwaahịa na nguzosi ike.
4.AppPlications nke hpmc
A na-eji ụlọ ọrụ na-emepụta ọgwụ: mee ihe dị ka ọgwụ na-akpata ọgwụ na usoro iwu mbadamba, ebe ọ na-eje ozi dị ka ihe mgbochi, na-agbahapụ na ndị nnọchi anya na-achịkwa. A na-arụkwa ọrụ na ngwọta Ophthalmic, ude dị mma, na nkwụsị ọnụ n'ihi biocompatisity na akụrụngwa mucom.
Industrylọ ọrụ nri: Na ụlọ ọrụ nri, HPMC na-eje ozi dị ka nke na-eje ozi, kwụsie ike, na emilifier na ngwaahịa dị iche iche, gụnyere sauces, na ndị ọzọ na mmiri ara ehi. A na-ejikwa ya na-egbu egbu na-egbu egbu dị ka ihe mmụta dịịrị ọnụ ọgụgụ na akwa akwa mmiri.
Industrylọ ọrụ na-ewu ihe: HPMC bụ ihe dị mkpa na mịrị amị na-agbasasị akwa, plasta, na tile adhesives. Ọ na-eme ka ọrụ ọ bụla, njigide mmiri, na adresion, na-enye aka na arụmọrụ na ịdị ogologo nke ihe ndị na-ewu ihe.
Ngwaọrụ Nlekọta nkeonwe: A na-etinye HPMC na ihe ịchọ mma, ngwaahịa na-arụ ọrụ skymetics, na usoro nlekọta ntutu maka usoro ihe nkiri ya, ndị na-emekwa ihe, na emundring Njirimara. Ọ na-akụ mkpụrụ osisi dị mma, nkwụsi ike, na njiri amamihe gaa lotions, ude, na gels.
Ikike na nkwakọ: A na-etinye mkpuchi mkpuchi HPMC nke sitere na mbadamba ọgwụ na capsules iji meziwanye ikuku, mask uto, ma nye nchebe mmiri. A na-ejikwa ihe nkiri HPMC na nkwakọ ngwaahịa dị ka cocitings ma ọ bụ ihe mgbochi megide mmiri na oxygen.
Hydroxypyl Methylcellose (HPMC) bụ poly ma ọ bụ ngwa dị iche iche na ngwa dị iche iche n'osisi. Ngwongwo ya puru iche, tinyere mmiri solubility, mgbanwe ihe nkiri, na-eme ka ọ dị mkpa na ọgwụ, nri, na ngwaahịa na ngwaahịa nlekọta onwe gị. Ghọta ihe mejupụtara ya, njikọta, Njirimara na ngwa nke HPMC dị mkpa maka ndị na-emepụta ihe na ndị nrụpụta na-achọ ịba uru ya na mmepe ngwaahịa na ihe ọhụrụ.
Ihe dị mkpa HPMC dị n'ụdị ya, arụmọrụ, na onyinye iji kwalite arụmọrụ, ike na njiri mara dị iche iche na mpaghara dị iche iche, na-eme ya ihe bara uru n'oge usoro na ngwa.
Post Oge: Feb-29-2024