1. Nnyocha
PollacyBymymylymylymylylylylylylym cellultose (Pollic-soluble soluble na-eji nri, ọgwụ, mmịpụta mmanụ na akwụkwọ. Otu ihe dị mkpa nke cmc bụ viscosity ya, mana na ngwa ndị dị mma, ọ dị mkpa ka edozi ihe nhazi na ihe ị chọrọ iji mezuo.
2. Ọdịdị na njiri mara nke cmc
CMC bụ carroxymethyylot deerivative nke cellose, na ihe owuwu ya na-ekpebi njimara viscosics na ngwọta ya. Viccosity nke cmc dabere na oke molecular ya, ogo nke dochie anya (DS), na okpomoku na ph. Ibu oke molecular na elu ds na-abawanye viscosity nke cmc, ọnọdụ nke ọnọdụ dị elu ma nwere ike belata viscosity ya.
3. Usoro nke mmetụta nke ihe mgbakwunye na CMC viscosity
3.1 Electrolyte mmetụta
Electrolytes, dị ka nnu (Nacl, kcl₂, CCL₂, wdg), nwere ike belata viscosity nke cmc. Electrolytes na-agbanyeghị na mmiri, nke nwere ike ịmịnye ụgbọ ala dị n'etiti cmc molecular ígwè, belata ndọtị nke eriri molecular, ma si otú a belata viscosity nke ihe ngwọta.
Mmetụta nke Ionic: ịbawanye ike ionic na ihe ngwọta nwere ike iwepu ebubo ahụ na-akwụ ụgwọ, na-eme ka nrịba ahụ kọmpat, wee belata viscosity.
Mmetụta mbata: Dịka ọmụmaatụ, ca²⁺, site na ịhazi ya na ndị otu ebubo na-adịghị mma na ọtụtụ Molecular, nwere ike ịpụ na -ewepụ nchụkọta na ụdị intermolialala elu na-ebudata viscosity.
3.2 Organic Heald
Na-agbakwunye sọks organic ma ọ bụ nke na-abụghị nke athere (dị ka ethanol na profanal) nwere ike ịgbanwe polaraits nke sọsọ na-akpata etiti ụmụ irighiri mmiri na ụmụ irighiri mmiri. Mmekọrịta ahụ dị n'etiti ihe na-edozi ahụ na cmc ụmụ irighiri ihe nwekwara ike ịgbanwe mmezi nke yinye molecular ígwè, si otú a belata viscosity.
Ọchịchọ na-arụ ọrụ: sonventsganic nwere ike ịgbanwe nhazi mmiri molecules na ihe ngwọta, yabụ na akụkụ hydrofic nke ihe mgbatị ahụ, na-eme ka ndọtị nke mọlaị egwu.
Mgbanwe 3.3
CMC bụ acid na-adịghị ike, na mgbanwe na PH nwere ike imetụta ya na mmekọrịta mmekọrịta ya na mmekọrịta. N'okpuru ọnọdụ acidic, ìgwè na-ahụ maka ifuru na ụmụ irighiri ihe na-aghọ na-anọpụ iche, na-ebelata ndọtị ma na-ebelata viscosity. N'okpuru ọnọdụ alkaline, ọ bụ ezie na ụgwọ na-abawanye, enwere ike ibute downlomalization nke molecular yinye nke molecular yir.
Mmetụta inoelectric mmetụta: N'okpuru ọnọdụ dị nso na isi ihe dị na cmc (pH ≈ 4.5), net nenye akwara nke yinye akwara ma si otú a na-ebelata viscosity.
3.4 enzymatic hydrolysis
Enzymes akọwapụtara (dị ka sellulase) nwere ike belata molecular yinye nke cmc, si otú a na-ebelata viccosity ya. Hyzymatic hydrolysis bụ usoro doro anya nke nwere ike ịchịkwa viscosity.
Usoro eji eme ihe eji eme ihe: enzymes hydrolyze na agbụ glycosidic agbụ na obere molecular dị arọ na obere ihe ngwọta na viscosity nke ngwọta.
4. Ndị na-eri nri na ngwa ha
4.1 nnu nnu
Sodium chloride (Nacl): Ejirila ya na ụlọ ọrụ nri iji dozie udiri nri site na ibelata viscosity nke cmc ngwọta.
Choride Chloride (CACL₂): Ejiri ya na mmanụ dị na mmanụ iji dozie viscosity mmiri mmiri, nke na-enyere aka iburu cuttings dị mma.
4.2 Organic acid
Acetic acid (actic acid): Ejiri ya na ihe ịchọ mma iji dozie viscosity nke cmc iji mee ka ederede na ihe dị iche iche chọrọ.
Citric acid: ejikarị nhazi nri iji mezie acidity na alkalinity nke ihe ngwọta iji gbochie viscosity.
4.3 Ngwọta
Ethanol: Ejiri ya na ọgwụ na ihe ịchọ mma iji dozie viscosity nke cmc iji nweta akụrụngwa dabara adaba ngwaahịa dị mma.
Profanal: Ejiri ya na nhazi ụlọ ọrụ iji belata viscosity nke cmc ngwọta maka mmiri dị mfe na nhazi.
4.4 enzymes
Cellulase: Ejiri ya na nhazi ederede iji belata viacosity nke slurry, na-eme mkpuchi na ibipụtakwu edo.
Amylise: Mgbe ụfọdụ ejirila ụlọ ọrụ nri iji dozie viscosity nke cmc iji kwekọọ na mkpa nhazi nke nri dị iche iche.
5. Ihe ndị na-emetụta arụmọrụ nke ihe mgbakwunye
Ọtụtụ ihe na-emetụta arụmọrụ nke ihe mgbakwunye, gụnyere oke molecular na ogo nke cmc, ịta nke mbụ nke ihe ngwọta, ọnọdụ, na ọnụnọ nke ihe ndị ọzọ.
Ibu Ilucular: cmc nwere oke molecular chọrọ oke mgbakwunye nke ihe mgbakwunye iji belata viscosity.
Ogo nke dochie anya: cmc na ogo dị elu nke ihe mgbakwunye na-enweghị isi ma nwee ike ịchọ ọnọdụ siri ike ma ọ bụ oke mgbakwunye nke ihe mgbakwunye.
Ọnọdụ okpomọkụ: Aturatuo na-abawanye n'ofe ihe mgbakwunye, mana oke okpomọkụ nwere ike ibute mmebi ma ọ bụ mmeghachi omume nke ihe mgbakwunye.
Ngwakọta ngwakọta: Ndị ọzọ na-eme ihe, dị ka surfactants, ndị dị iche iche, wdg) nwere ike ịtụkwasị arụmọrụ nke ihe na mkpa.
6. Nduzi Mmepe
Nnyocha na ntinye nke belata viscosity nke cmc na-agagharị n'akụkụ akwụkwọ ndụ akwụkwọ ndụ na nke na-adigide. Zụlite ihe mgbakwunye ndị ọhụrụ na oke oke dị oke mma, na-ejikarị ihe mgbakwunye nke nanotechniology na ihe nlere anya na CMC video.
Mgbakwunye akwụkwọ ndụ akwụkwọ ndụ: Chọọ maka enwetara ma ọ bụ ihe mgbakwunye biodegrables iji belata mmetụta gburugburu ebe obibi.
Nanotechnology: jiri usoro mmekọrịta pụrụ iche na usoro mmekọrịta pụrụ iche nke nanomateriams iji chịkwaa viscosity nke cmc.
Ihe ndị ị na - eme nchọpụta: Mee ka ihe ndị ahụ nwere ike ịzaghachi ihe ndị metụtara gburugburu ebe obibi gburugburu ebe obibi (pH, ọkụ, wdg) iji rụpụta viscosity nke CMC.
Ihe mgbakwunye na-arụ ọrụ dị mkpa na nhazi viccosity. Site na ịhọrọ na itinye ihe mgbakwunye, enwere ike zute mkpa nke ụlọ ọrụ dị iche iche na ngwaahịa ndị ahịa. Agbanyeghị, iji rụpụta mmepe mmepe, nyocha nke ọdịnihu kwesịrị ilekwasị anya na mmepe nke akwụkwọ ndụ akwụkwọ ndụ na arụmọrụ nke ọma, yana itinye teknụzụ ọhụụ na nhazi nhazi ndapụta.
Oge post: Feb-17-2025