Hydrophobic gbanwetụrụ celdrosethyyth Cellulose (HEC) bụ ụdị usoro a na-agbanwe agbanwe site na ị na-ewebata Hydyl, Aromatic Arọmatic, wdg) na hyc. Typedị ihe a na-ejikọ ihe ndị a na-eji hydrophilic nke hydroxyethythythythythythyth na-akụ nke otu hydrophobic otu ma na-ejikarị mkpuchi mkpuchi, na-egbochi, ịchọ mma na ndị na-eji ọgwụ ọjọọ.
1. Usoro njikọ njikọ hydrophobly gbanwee hydroxyethyth Celllose
Nsogwa nke hydrophyythythythythyth cellulose na-ebukarị site na usoro ndị a:
1.1 Mmeghachi omume
Usoro a bụ imepụta hydroxyethythythythythythythyth kemịkal kemịkalụ (dị ka ogologo ụma chlorides, wdg) iji webata otu ụmụ nwanyị hdrophobic site na mmeghachi omume cellaulo. Mmeghachi omume nke Estericat nwere ike iwepụta hydrophobic otu, kamakwa imeghari hydrophobity na mmetụta nke polymers. Ọnọdụ mmeghachi omume nke usoro njikọta, dị ka okpomọkụ, oge, mmeghachi omume na ihe ga-eme ka ọ pụta ìhè, ga-emetụta arụmọrụ nke ngwaahịa ikpeazụ.
1.2 Ichechi mmeghachi omume
N'ime usoro a, a na-eji hydroxyth otu hydroxyethythythyth cellulose site na hydrophobic otu (dị ka alkyl, phenyl, wdg). Uru nke usoro a bụ na ọnọdụ synhesis dị nro, njiri mara hydroxyeth nwere ike chekwaa ya, ngwaahịa a gbanwetụrụ na-enwekarị ezigbo solubity na mmetụta.
Mmeghachi omume 1.3
Site na coplomerizing na ndị ọzọ monomers (dịka acrylic acid, wdg), polymen ọhụrụ nwere hydrophobility nwere ike ịkwadebe. Usoro a nwere ike nweta njikwa arụmọrụ nke na-arụ ọrụ nke cellulose site na idozi oke nke movomers dị iche iche.
Mmeghachi omume 1.4
Ngwakọta Hydrophobic na-agbaghasị n'ime usoro nke hydroxyethythyth Cellulose iji mepụta mgbochi ma ọ bụ akụkụ. Usoro a na-eme ka nkwụsi ike na elu nke hydrophobly gbanwee hydroxyethyth cellulose, nke dabara adaba maka ihe ndị dị elu dị elu.
2.
Ihe ndị dị omimi usoro nke hydrovyethythythythythyth cellulose kachasị mejupụtara akụkụ ndị a:
2.1 Mmụba mmekọrịta
Okwu mmeghe nke hydrophobic otu na - eme ka mmekorita di n'etiti cellulose, ebe hydrophobic na-achikota onu ogugu iji mejuputa otutu molecuala. Mmetụta nchịkọta a na-eduga na mmụba na viscosity nke ihe ngwọta, si otú a na-egosi ihe onwunwe siri ike.
2.2 hydrophilic-hydrophobic mmekọrịta
Otu dị iche iche (dị ka hydroxyethyyyl) na otu Hydrophobic otu (dị ka aldyl, phenyl, wddylyyth na-agbaghakwa ọrụ hydropose na-arụ ọrụ pụrụ iche. N'ime osisi, akụkụ hydrophilic na-emekọrịta ihe na mmiri mmiri, ebe hyrophobic akụkụ na-adọta onwe ya n'akụkụ hydrophobisic, na-abawanye njupụta n'etiti ụmụ irighiri ihe ma na-amụba viscosity.
2.3 Na-ewulite ihe ngwọta network nke ngwọta
Mgbe mgbanwe Hydrophobic, usoro nke akwara moleular nwere ike ịgbanwe, na-etolite ntakịrị ihe owuwu netwọkụ atọ. Ihe owuwu network a nwere ike ime ka odi nma viscoelasticity na ike ike nke ihe ngwọta site na ijikọ njikọ n'etiti ụmụ irighiri ihe.
2.4 dị mfe iji mepụta ihe dị ka ihe owuwu
N'ihi iwebata otu hydrophobic otu, hydrovobly gbanwea hydroxyethyth cellulose nwere ezigbo geleration. N'okpuru ọnọdụ kwesịrị ekwesị, dị ka mgbanwe na ọnọdụ okpomọkụ, ph ma ọ bụ ịta, ìgwè ndị a na-agbanwe agbanwe nwere ike ime ka e guzobe ihe ngwọta ya na ihe ngwọta ya.
3. Ngwa nke hydrovyethythythythythyth Cellulose
A na-eji hydrophobic hydroxyethythythyth Celllose n'ọtụtụ ụlọ ọrụ, ọkachasị n'ọnọdụ ebe enwere mmelite mmelite na ndozi nkwụsi ike:
3.1 conings na eserese
Na ụlọ ọrụ mkpuchi mkpuchi, hydrovyethythyythyythyl cellulose nwere ike melite ihe ndị na-ekwu okwu ọjọọ, nkwụsị na ịrụ ọrụ nke mkpuchi, ka na-eme ka nguzogide iguzogide na ntugide nke mkpuchi.
3,2 nhicha na nsị
Dinggbakwunye hydrophobly na hydrophobly na ihe na-egbu egbu nwere ike ime ka viscosity dịkwuo mma karị ọhụrụ, na-eme ka ọ kwụsie ike ma dịkwa mfe njikwa oge.
3.3 Nchọpụta Ihe
Na mpaghara Cosmetics, a na-ejikarị hydrovyethythythythythythythythythythythyythythythythythyythyythythyythyythythythythythyythyythyth na-ejikarị onye na-eche ihu na nkwụsị, ude na ngwaahịa ndị ọzọ, nke nwere ike ime ka udidi na nke ngwaahịa.
3.4 onye na-ebu ogwu
N'ihi ezigbo ya na biocompatibilication, hydrovostly gbanwetụrụ celllosethythythythythyth selloseths cellulose na-arụ ọrụ na sistemụ ọgwụ, nke nwere ike ijikwa usoro ọgwụ nke ọgwụ.
Site na iwebata otu hydrophobic, hydrophoblically gbanwetụrụ ọ bụghị naanị na-enye hydroxyethythyythyythythyythyyth na-esi ike na ngwa dị iche iche. Usoro ya kachasị na-adabere na mmekọrịta dị n'etiti otu hydrophobic otu na otu hydrophilic otu, mmetụta molecular mmetụta na mgbanwe na usoro ihe ngwọta. Site na omimi nke nyocha, usoro njikọ njikọ nke hydrophobly gbasaa, a ga-esiwanye ike ịgbasawanye, nwee atụmanya ahịa.
Oge post: Feb-15-2025