IHydroxYethyl Cellulose (I-HEC) i-polymer annoluble polymer esetshenziswa kabanzi kwezimonyo, amakhambi, upende, ukumboza, ukwakhiwa kanye nezinye izinkambu. Inokuqina okuhle kakhulu, ukumiswa, ukuhlakazeka, ukuhlakazeka, amafilimu, ukugcinwa kwamanzi, ukugcinwa kwamanzi nezinye izakhiwo, ngakho-ke sekuyi-ejenti ebalulekile ebalulekile emikhakheni eminingi. Kodwa-ke, i-hydroxyethyl cellulose ayitholakalanga ngqo kusuka ezintweni zemvelo, kepha itholakala ngamakhemikhali elungisa iselula yemvelo. Kuze kube manje, ukuqonda umthombo wemvelo we-hydroxyethyl cellulose, okokuqala kudingeka siqonde umthombo nokwakheka kwe-cellulose.
Umthombo wemvelo we-cellulose
I-cellulose ingenye yama-polymers we-organic amaningi kakhulu emhlabeni futhi ikhona kabanzi ezindongeni zezitshalo, ikakhulukazi ezitshalweni ezinamahlahla, ukotini, ifilakisi kanye neminye imicu yezitshalo. Kuyinto esemqoka esakhiweni sezitshalo futhi ihlinzeka ngamandla omshini nokuqina. Iyunithi eliyisisekelo le-cellulose yi-molecule kashukela, exhunywe ngamabhondi ama-β-1,4-glycosic ukwakha isakhiwo eside. Njengezinto zemvelo ze-polymer, i-cellulose inezakhiwo ezinhle kakhulu zomzimba nangamakhemikhali, okwenza kube yizinto ezibalulekile ezingavuthiwe zokutholwa okuhlukahlukene okuhlukahlukene.
Inqubo yokulungiselela ye-hydroxyethyl cellulose
Yize i-cellulose uqobo inezakhiwo eziningi ezinhle kakhulu, uhla lwayo lwesicelo lulinganiselwe ngezinga elithile. Isizathu esiyinhloko ukuthi iselula anayo i-solubility empofu, ikakhulukazi i-solubity elinganiselwe emanzini. Ukuze uthuthukise le mpahla, ososayensi baguqula i-cellulose ukuze alungiselele ama-cellulose ahlukahlukene. IHydroxyYethyl Cellulose iyi-ether ethe xaxa yamanzi etholwe yi-ethexylating yemvelo yemvelo ngokuphendula kwamakhemikhali.
Enqubweni ethile yokulungiselela, iselula yemvelo ichithwa kuqala kusisombululo se-alkali, bese kuthi-ke i-Ethylene oxide ingezwe ohlelweni lokuphendula. Ukusabela kwe-EthoxtLilation kwe-Ethylene oxide namaqembu e-hydroxyl e-cellulose kwenzeka ukukhiqiza i-hydroxyethyl cellulose. Lokhu kuguqulwa kwandisa i-hydrophicility of cellulose chains, ngaleyo ndlela kuthuthukise i-solubility yayo kanye nezakhiwo ze-viscosity emanzini.
Imithombo Eyingqayizivele Yezinto Ezibonakalayo
Izinto ezi-core zemvelo eziluhlaza zokulungiswa kweHydroxYethyl celtulose ziyiselula, futhi imithombo yemvelo yeselula ifaka:
I-Wood: Ukuqukethwe kwe-cellulose ngokhuni kuphezulu, ikakhulukazi ngokhuni olunolwazi olubanzi nolubanzi, lapho i-cellulose ingafinyelela khona ama-40% -50%. UWood ungomunye wemithombo ebaluleke kakhulu ye-cellulose embonini, ikakhulukazi emaphaketheni nasekukhiqizweni kwe-cellulose derivatives.
Ukotini: I-Cotton fiber icishe yakhiwa nge-cellulose emsulwa, futhi okuqukethwe kuselula kukotini kuphakeme ngaphezu kwama-90%. Ngenxa yokuhlanzeka kwayo okuphezulu, i-fiber yekotini ivame ukusetshenziselwa ukulungiselela ukulungiswa okuphezulu kweselula.
Izitshalo ezifana neFlax ne-Hemp: Lezi zinhlaka zezitshalo nazo zicebile e-cellulose, futhi ngoba lezi zinhlaka zezitshalo zivame ukuba namandla aphezulu emishini, nazo zinezinzuzo ezithile e-cellulose extraction.
Imfucumfucu yezolimo: kufaka phakathi utshani, utshani kakolweni, utshani bemimbila, njll. Lezi zinto zokwakha ziqukethe inani elithile leselula, bese kufakwa umthombo oshibhile futhi ovuselelekayo wezinto ezingashibhile zokukhiqiza ama-cellulose derivatives .
Izindawo zohlelo lokusebenza ze-hydroxyethyl cellulose
Ngenxa yezakhiwo ezikhethekile ze-hydroxyethyl cellulose, isetshenziswa kabanzi emikhakheni eminingi. Okulandelayo yizindawo ezinkulu zezicelo ezinkulu:
Imboni yezokwakha: I-Hydroxyyethyl celtulose isetshenziswa kabanzi kwezinto zokwakha njenge-gentmener kanye ne-ejenti yokugcina amanzi, ikakhulukazi ku-cunmer udaka, i-gypsum, i-putty powder nezinye izinto zokwakha.
Imboni yamakhemikhali yansuku zonke: Ku-Detegents, imikhiqizo yokunakekelwa kwesikhumba, ama-shampoos kanye neminye imikhiqizo yamakhemikhali yansuku zonke, i-hydroxyyethyl cellulose isetshenziswa njenge-sikhulu ne-stabilizer ukuthuthukisa umuzwa womkhiqizo nokuqina.
Amapende nezimbobo: Embonini yezambane, i-hydroxyyethyl cellulose isetshenziswa njenge-perwoology control ejenti yokuthuthukisa ukusebenziseka kokukhombana futhi igweme ukugcwala.
Insimu yezemithi: Amalungiselelo emithi, i-hydroxyyethyl celtule
Yize i-hydroxyethyl cellulose akuyona into eyenzeka ngokwemvelo, impahla yayo eyisisekelo eluhlaza, i-cellulose, ikhona kakhulu ezitshalweni zemvelo. Ngokuguqulwa kwamakhemikhali, iselula yemvelo ingaguqulwa ibe yi-hydroxyethyl cellulose esebenza kahle kakhulu futhi isetshenziswe kwizimboni ezahlukahlukene. Izitshalo zemvelo ezinjenge-Wood, ukotini, ifilakisi, njll. Nikeza umthombo ocebile wezinto zokusetshenziswa okungavuthiwe kokukhiqizwa kwe-hydroxyethyl cellulose. Ngokuthuthuka kwesayensi nobuchwepheshe kanye nokwanda kwesidingo sezimboni, inqubo yokukhiqiza ye-Hydroxyyethyl celtulose nayo iyalungiswa, futhi kulindeleke ukuthi ikhombise inani layo elihlukile emikhakheni eminingi ngokuzayo.
Isikhathi Sokuthumela: Oct-23-2024