HPMC nwere ike etisasịwo na ihe mgbaze weere na mmiri oyi na organic okwu na-etolite a transperent viscous ngwọta.Ihe ngwọta mmiri nwere ọrụ elu, nghọta dị elu na nkwụsi ike siri ike.Mgbasa ya na mmiri adịghị emetụta pH.Ọ nwere mmetụta na-ekpo ọkụ na mgbochi na-ekpo ọkụ na ncha ntutu na gel ịsa ahụ, ma nwee njigide mmiri na ihe dị mma na-emepụta ihe nkiri maka ntutu na akpụkpọ ahụ.Site na mmụba dị ukwuu nke akụrụngwa akụrụngwa, cellulose (antifreeze thickener) nwere ike belata ọnụ ahịa ya nke ukwuu wee nweta nsonaazụ dị mma mgbe ejiri ncha ntutu na gel ịsa ahụ.
Mmiri oyi na-ekpo ọkụ kwa ụbọchị nke hydroxypropyl methyl cellulose nwere njirimara ngwaahịa ndị a:
1. Ọrụ njigide mmiri dị mma.HPMC nwere njirimara hydrophilic.Ọ nwere ike ịnọgide na-ejigide mmiri dị elu na mado, mado na mado ngwaahịa.
2. Mmiri oyi ozugbo hydroxypropyl methylcellulose HPMC na-eji ihe ndị sitere n'okike, nke nwere arụmọrụ dị nro, obere mgbakasị ahụ, nchebe gburugburu ebe obibi na nchekwa.
3. PH dịtụ ike, na viscosity nke aqueous ngwọta bụ n'ozuzu ike na nso nke pH3.0 ka 11.0.
4. Ihe ngwọta mmiri nke ngwaahịa ahụ nwere ọrụ elu, emulsification, nchebe colloid na nkwụsi ike ikwu.Esemokwu elu ya dị ihe dịka 2% na ngwọta mmiri bụ 42-56dyn/cm.
5. Ịba ụba na mmiri solubility, ọ nwere ike ịgbaze ngwa ngwa na mmiri oyi, ụfọdụ ihe mgbaze na-edozi ahụ na ngwakọta na ihe ndị na-edozi ahụ.
6. Na-abawanye viscosity: mgbe obere nkwụsịtụ na-abawanye, a ga-emepụta ngwọta viscous transperent, nke nwere njirimara nke arụmọrụ kwụsiri ike na nghọta dị elu.Solubility ga-agbanwe na viscosity.N'ịbụ nke dị ala na viscosity, na-abawanye ogo mgbasa, nke nwere ike imeziwanye nkwụsi ike nke usoro ahụ n'ụzọ dị irè.
7. Nguzogide nnu magburu onwe ya.HPMC bụ polymer na-abụghị ionic, nke kwụsiri ike na ngwọta mmiri electrolyte ma ọ bụ organic electrolyte.
8. Gelation thermal: mgbe mmiri na-ekpo ọkụ na-ekpo ọkụ na ụfọdụ okpomọkụ, ọ ga-aghọ ihe na-adịghị mma ruo mgbe a na-emepụta ọnọdụ flocculation, nke ga-eme ka ngwọta ahụ kwụsị kpamkpam.Otú ọ dị, ọ ga-agbanwe na ọnọdụ ngwọta mbụ mgbe ọ jụrụ.Maka nsogbu nke thermal gel, okpomọkụ na-adabere na ụdị ngwaahịa, ntinye ngwọta na ọnụego kpo oku.
9. HPMC nwere ndị ọzọ Njirimara na ubi nke kwa ụbọchị chemical ngwa, dị ka magburu onwe film-akpụ Njirimara, nnukwu enzyme eguzogide, dispersion na bonding Njirimara.
Oge nzipu: Jul-29-2022