Usoro ngbanwe nke hydroxyppropyythylcelllose

Hydroxypylththththththylcelllose (hpmc)A na-ejikarị mmiri síllose nke na-ejikarị, ejikarị ya arụ ọrụ, a na-eji mkpuchi, ọgwụ ọgwụ, nri na ịchọ mma. Usoro mmepụta ya dị mkpụmkpụ ma na-emetụta ọtụtụ usoro, nke kachasị gụnyere mgbasa, mmeghachi omume, ịsacha ma na-azọpịa na crushring nke cellose.

1. Nkwadebe akụrụngwa akụrụngwa

Mmepụta nke hydroxypropyyththyth methylcelllose na-eji osisi dị ka osisi ma ọ bụ owu dị ka akụrụngwa. Nke mbu, odi nkpa wepu ya na osisi. Mkpụrụ cellulose a na-eme ka ọ bụrụ abụba, na-acha ọcha, na-apụ apụ iji nweta akụrụngwa cellulose dị ọcha.

2. Dispeontion nke cellose

Cellulose dara ogbenye na mmiri, yabụ ọ dị mkpa ka etisasị ya site na usoro mmepụta. Sintsmụaka nkịtị bụ ngwakọta nke ammorium chloride na mmiri, ma ọ bụ ngwakọta nke amonia na ethanol. Nke mbu, a gwakọtara Cellulose na mgbaze ma mesoo ya na okpomọkụ dị elu iji hụ na enwere ike ịkpụzi cellulose kpamkpam.

3. Mmeghachi omumethylation

A na-agbakwunye onye nnọchi anya Methylatide (dị ka methyl chloride ma ọ bụ methyl chloride) ka etinyere na cellulose maka mmeghachi omume methylation. Ebumnuche bụ isi nke mmeghachi omume a bụ iwebata otu Methyy (-Cch) iji mepụta methyl cellulose. Usoro a na-adịkarị mkpa ka a na-arụ ọrụ alkaline, yana nchịkwa nke ọnọdụ okpomọkụ na oge na-enwe mmetụta dị mkpa na usoro ihe omume ọma na arụmọrụ nke ngwaahịa ikpeazụ.

4..

Methylas na-emegharị anya na acrylates (dị ka Alelll Chloride) iji webata otu Hydyppyl (-Och₂₃). A na-eme mmeghachi omume a na ngwọta Alkaline, na nchịkwa ọnọdụ mmeghachi omume na oge mmeghachi omume na oge mmeghachi omume na-ekpebi ọdịnaya hydroxyyl nke ngwaahịa a. Ogo nke hydroxylopylation na-emetụta solubality, viscosity na akụrụngwa ndị ọzọ na akụrụngwa nke HPMC.

5. Nnọpụ ya na ịsa

Mgbe mmeghachi omume ahụ agwụla, ụfọdụ ihe ndị ọgwụ alkaline ma ọ bụ ihe ndị na-agụ akwụkwọ nri nwere ike ịnọ na sistemụ. Ya mere, ọ dị mkpa iji wepu ihe ndị na-enweghị atụ site na ọgwụgwọ na-agwọ ọrịa. A na-ejikarị ya na acid (dị ka acetic acid ma ọ bụ acid acid), na nnu na-emepụta na mmeghachi omume acid. Mgbe nke a, a na-ewepụ adịghị ọcha na ihe ngwọta ya site na ọtụtụ ndọtị iji hụ na ịdị ọcha nke ngwaahịa ahụ.

6. Agụụ mmiri na ihicha

Seellulose solulose kwesịrị ka a kpọọ nkụ, ma ọ bụ nsị ma ọ bụ iltrafilration na-ejikarị mmiri. Nkwụsị mkpụrụ ndụ mkpụrụ ndụ na-akpata ya nwere nnukwu ịdaba nke akpịrịkpa, wee banye usoro ihicha ahụ. Thezọ nhicha ahụ nwere ike ịgbasa nkụ, oghere nkụ ma ọ bụ nkụ na-ekpo ọkụ. Njikwa okpomọkụ n'oge usoro ihicha dị ezigbo mkpa. Oke okpomọkụ nwere ike ibute ngwaahịa a iji mebie ma ọ bụ hapụ arụmọrụ ya.

7.

Hydyplopylthylthylthylthylthylthylthythylthylilose bụ ntụ ntụ na mkpa iji gwepịa ma wezụga ya ijikwa ngwaahịa na-aba uru n'ime ụfọdụ. Usoro dị nfe nwere ike hụ na otu ngwaahịa ahụ ma wepu adịghị ọcha na ọtụtụ irighiri.

8. Ngwugwu na echekwa

Enwere ike ịmepụta hydropyythylthylthylthylthyl methylcelllose nwere ike imepụta na ụdị ndị ahịa dị ka akpa, dị ka akpa, ụgbọ mmiri, wdg. Ekwesịrị ịchekwa ngwaahịa ngwugwu a na mpaghara na oyi dị jụụ iji zere oke okpomọkụ na iru mmiri.

9. Njikwa Mma

A chọrọ njikwa siri ike na njikọ ọ bụla na mmepụta usoro iji hụ na ngwaahịa ikpeazụ na-emezu ụkpụrụ. Ihe ndị a na-ahụkarị bụ: solubality, viscosity, uru ọdịnaya na ọdịnaya mmiri. Njirimara nke ngwa ahia ahụ metụta mmetụta ya na mpaghara ngwa dị iche iche, yabụ njikwa dị mma bụ njikọ igodo na mmepụta nke hydropyy na-emepụta.

Usoro mmepụta nkehydroxypylthththththylcelllosegụnyere ọtụtụ kemịkalụ kemịkalụ na usoro mmeso ahụ, ma nwee nnukwu ihe achọrọ maka ọnọdụ usoro. Mmeghachi omume mmeghachi omume, oge, uru, uru plọg na ihe ndị ọzọ ga-achịkwa kpamkpam na mmepụta iji nweta ngwaahịa na arụmọrụ ya na ezigbo arụmọrụ. Site na oganihu nke sayensi na teknụzụ na mmepe nke teknụzụ nke teknụzụ, usoro mmepụta nke HPMC na-akawanye njọ, yana mpaghara ngwa nke ngwaahịa a na-agbasawanye.