1. NKWUP
Hydroxypyl Methylcellose (HPMC) bụ usoro ihe omimi Cellivatic site na ebe a na-ewu ụlọ, ọgwụ ọgwụ, mgbakwunye nri na ihe ịchọ mma nri. Ezi ụdị mmiri ya bụ otu n'ime njiri mara nke ngwa HPMC.
2. Ọdịdị na Njirimara nke HPMC
2.1 Ihe Omuma
HPMC bụ selsi-synetic ether. Ihe hydroxypyl na methyl na methym na-enye ya ihe inyeaka na akụrụngwa colloidal. Ihe dị mkpa nke HPMC mejupụtara ụdị β-d-glucose nke cellose, nke dị iche iche hydyy na-anọchi anya dị iche iche. Ọnọdụ na ogo nke ihe nnọchianya ndị a machibidoro solubity, viscosity na njigide mmiri nke HPMC.
Njirimara nke anụ ahụ
Nganga, a na-agbanye hpmc ngwa ngwa na mmiri oyi ma na-etolite ngwọta colloidal na mmiri ọkụ.
Ihe onwunwe dị iche iche: ọ nwere ike ịmalite ngwọta victous na mmiri ma nwee ezigbo mmetụta.
Ihe onwunwe na-eme ihe nkiri: Ọ nwere ike ijipụta ihe nkiri na ihe nkiri.
Nkwụsị: Ọ nwere arụmọrụ dị mma na ihe ngwọta wee nwee ike idozi okwu a na-enyo enyo.
3. Njikọ mmiri nke HPMC
3.1 Mmiri Njikere
A na-egosi na njigide nke HPMC na mmekọrịta dị n'etiti Hydroxyyyyyyyyyyyyyyyyyyyyli na ụmụ irighiri mmiri ya. Kpamkpam, Hpmc na-ejigide mmiri site na usoro ndị a:
Hydrogen Bonding: Otu Hydroxy dị na HPMC Molecules na-etolite hydrogen na molecules mmiri. Ihe ndị a na - eme ka ụmụ irighiri mmiri na - eme ka hpmc, na - ebelata mmiri mmiri.
Mmetụta viscosity dị elu: Nkwado ọhụụ dị elu nke Hpmc na mmiri nwere ike igbochi ngagharị nke mmiri, si otú ahụ belata mfu mmiri.
Ihe owuwu network: Ihe owuwu network guzobere ma mmiri nwere ike ijide ma jigide molecules mmiri, nke mere na ekesara mmiri ahụ na usoro netwọkụ.
Mmetụta Colnoid: Colliid guzobere mmiri nke Hpmc nwere ike igbachi mmiri n'ime colloid ma nwekwuo oge njigide mmiri.
3.2 Ihe Na-emetụta Njikọ mmiri
Ogo nke dochie anya: njigide mmiri nke HPMC na-emetụta ogo nke nbanye (DS). Nke kachasị elu nke dochie anya, sie ike hydrophilicaty nke Hpmc na arụmọrụ mmiri ya dị mma.
Igodo molecular: Ibu molecular na-enyere aka ijikọ netwọdi dị ike, si otú a na-eme ka njigide mmiri dị elu.
Intata: ịta nke ngwọta HPMC nwere mmetụta dị mkpa na njigide mmiri. Ihe ngwọta dị elu na-enwe ike iji mepụta azịza viscous na ihe owuwu netwọkụ ọzọ, si na-ejide ọtụtụ mmiri.
Okpomoku: Ihu mmiri nke HPMC dịgasị iche iche. Mgbe ọnọdụ okpomọkụ na-awa, viscosis nke HPMC Ngwọta mbelata, nke na-ebute mbelata mmiri mmiri.
4. Ngwa nke HPMC na mpaghara dị iche iche
Ihe eji eme ihe
N'ime ụlọ, a na-eji HPMC mee ihe dị ka mmiri na-agbachitere ciment na ngwaahịa Gypsum-Dabere. Ọrụ ya bụ isi gụnyere:
Meziwanye arụmọrụ owuwu:
Belata cracks: Ezigbo njigide mmiri na-enyere aka belata cracks n'oge a na-egbu egbu ma na-eme ka ike na ịdịgide nke ihe ikpeazụ.
Meziwanye ike nke ehihie: Na ntinye uche, HPMC nwere ike ịbawanye ike ma kwalite mmetụta nke njikọ.
4.2 Imepe ọgwụgwọ
Na nkwadebe ọgwụ, njigide mmiri nke HPMC na-arụ ọrụ dị mkpa na mwepụta na nkwụsi ike nke ọgwụ:
A ga-eji nhazi nke a na-akwado onwe ya: HPMC mee ihe dị ka matriks na-edobe ọgwụ ọgwụ iji nweta ọgwụ mgbochi na ọnụego ọgwụ.
Ndị dị egwu na binders: Na ọgwụ mmiri na mbadamba mmiri, ọrụ Hpmc dị ka nke ukwu na ihe mkpuchi iji nọgide na-ahụsi ike na ịdịgidesi ike nke ọgwụ.
Ihe oriri nri 43
N'ime ụlọ ọrụ nri, HPMC na-arụ ọrụ dị ka nke na-agbada ma kwụsie ike, a na-ejikwa mgbochi mmiri ya maka:
Mmezi uto: Site na njigide mmiri, HPMC nwere ike imelite udidi na uto nri, na-eme ka ọ luọọ ma na-atọ ụtọ.
Iwepụ Reenf Ndụ: Site na njigide mmiri, HPMC nwere ike igbochi mfu mmiri n'oge nchekwa, site na ịgbatị ndụ nchekwa.
4.4 Ntinye
Na ịchọ mma, a na-eji ụdị njide HPMC mee ihe:
Moorizing mmetụta: dị ka moissurizer, hpmc nwere ike inye aka mechie na mmiri n'elu anụ ahụ ma nye ogologo oge moutizinizing.
Kwụsị nkwụsịsị: Na emulsions na nkwụsị, HPMC guzosie ike na ngwaahịa ahụ ma na-egbochi mgbatị na nkọ.
Njikọ mmiri nke Hpmc na-eme ka ọ bụrụ ihe dị mkpa n'ọtụtụ ubi. Ọ na-ebelata mmiri ma na-ebelata mmiri mmiri site na njikọ hydrogen, mmetụta dị elu viscosity, nhazi netwọdi na mmetụta colroid. A na-emetụta oke mmiri site na ogo nke dochie anya, ịdị arọ molecular, itinye uche na ọnọdụ okpomọkụ, nke na-ekpebi arụmọrụ nke HPMC n'otu ngwa. Ma na iji ụlọ, nkwadebe ọgwụ, mgbakwunye ọgwụ, njikọta nri, njigide mmiri, njigide mmiri nke HPMC na-arụ ọrụ dị mma na arụmọrụ nke ngwaahịa ahụ.
Oge post: Jun-26-2024