I-Setesuse Other Derivatives i-Callivatives yiklasi ye-shecloses ye-cleymes yendalo. Ngenxa yokungabinamntumini wabo obalaseleyo, uhlengahlengiso lohlengahlengiso lwentsebenzo kunye neemvakalelo kwiimeko zobushushu ezifana neqondo lobushushu, isetyenziswa ngokubanzi kwizinto zokwakha, amayeza, ukutya kunye ne-cosmetics. Umsebenzi woLawulo lwe-viscosity ye-Telulose Ether yenye yeempawu eziphambili zesicelo sayo kwizicelo ezininzi zemizi-mveliso nakwimizihla ngemihla.
1. Ulwakhiwo kunye nokuhlelwa kweSelupolose
I-Setesuse Other Derivativels ilungisiwe kwi-sellutase yendalo nge-Etheristition. I-seluplose yi-pollymer ye-polymer eyenziwe nge-glucose monomers edityaniswe yi-β-1,4-Glycosidic Bonds. Inkqubo yokulungiselela i-etelulose i-ete iqhele ukusabela i-Hydroxyl (--------------------------------------------------------------------------------------------------------------------------------------Hay) Inxalenye ye-Sholupese nge-eruplose nge-Arhente ye-ESEASE ukuba ivelise izinto ezahlukeneyo ze-elselose ukuze ivelise izinto ezahlukeneyo ze-selsuloses (ezinje nge-windows
Kuxhomekeka kwi-Ether engathathi ntweni, i-Ether iqhele i-Other I-Ether iquka i-methyl selsulose (MC), i-Hydroxyythl selsulose (HMC), njl. Njl. Njl. Njl. iipropathi. Inani kunye nendawo yokuhlala engathathi ntweni ayichaphazeli nje ukungathobeli kwamanzi kweselfowuni, kodwa ihambelana ngqo nezakhono zokubonisa kwabo kwizisombululo ze-act.
I-2. Indlela yokuFota yeVenkile
I-viscofity ilawula i-selsulose enzwa eselwandle ivela ekuphelisweni kwabo emanzini kunye nokwandiswa kweemolekyuli. Xa i-selsesese ichithwe emanzini, amaqela epolise i-Hydrogen enemolekyuli yamanzi, ebangela iimolekyuli zamanzi "ezikhokelela kwimolekyuli yamanzi, kwaye ke ikhulisa i-villkosity yesisombululo.
Ubungakanani bobukhulu be-viscosity inxulumene ngokusondeleyo nobunzima bemolekyuli, uhlobo oluthathekayo, isidanga sokufaka (DS) kunye nenqanaba le-Polymerization (DP) yeSelsulose. Ngokubanzi, ukhubazeke kakhulu kwimolekyuli ye-seluplose ye-selet kunye nexesha elide i-molecular thein, ngaphezulu kohlobo lwesisombululo. Kwangelo xesha, ukutshintsha izinto ezahlukeneyo kuchaphazela i-hydrophility yemolekyuli ye-ete yaseLetselose, kwaye ke ichaphazele isolula kunye nohlobo lwazo emanzini. Umzekelo, i-HPMC inomelele kwaye uzinzo lwe-viscofity ngenxa ye-hydroxypropy ye-hydroxyl kunye ne-methyl. I-CMC, nangona kunjalo, ine-viscofity ephezulu kuba yazisa ngamaqela atyholwa ngokungalunganga, enokunxibelelana kakhulu neemolekyuli zamanzi kwisisombululo esinamandla.
3. Iziphumo zezinto zangaphandle kwi-viscofity
I-viscosity ye-selsulose i-ether ixhomekeke kuphela kwisakhiwo sayo, kodwa nakwizinto zangaphandle zokusingqongileyo, kubandakanya neqondo lobushushu, ixabiso le-pH, i-ion, njl.
3.1 Ubushushu
Iqondo lokushisa yinto ebalulekileyo echaphazela i-viscofity yesisombululo se-Selese. Ngokubanzi, isimo se-viscosity yesisombululo se-Selese sinciphisa ngokukhulisa ubushushu obukhulayo. Kungenxa yokuba ubushushu obukhulayo bukhawulezisa intshukumo yemolekyuli, kwaye buthathaka ukunxibelelana phakathi kweemolekyuli, kwaye kubangela i-moleling yenqanaba leemolekyuli zeselula emanzini ukunyusa iimolekyuli zamanzi, ngaloo ndlela kuncitshiswa i-viscofity. Nangona kunjalo, ezinye zeeselsulose ii-Telupe (ezinjenge-HPMC) zibonisa iimpawu ze-germal ye-Thermal ngaphakathi kuluhlu oluthile lobushushu, oko kukuthi, njengoko iqondo lobushushu liyanda, isisombululo esonyukayo kwaye ekugqibeleni sisonyuka ijeli.
3.2 Ixabiso
Ixabiso le-pH linefuthe elibonakalayo kwi-vickosity ye-seluplose ether. I-Seleulose e-Teltuents ezinabantu abaninzi (ezinje nge-CMC), ixabiso le-pH lichaphazela imeko yezicelo ezisisiseko kwisisombululo, ngaloo ndlela ichaphazela ukusebenzisana phakathi kweemolekyuli kunye nohlobo lwesisombululo. Kwixabiso eliphakamileyo le-PH, iqela lebhokisi yebhokisi lebhokisi lingaphezulu, elibangela ukurhoxiswa kwe-electrostatic eyomeleleyo, esenza ukuba i-molecular ye-molecular ilula ukuyiphoswa kunye nokunyusa i-vicmosity; Ngelixa amaxabiso asezantsi e-PH, iqela lebhokisi ye-carboxyl alikho lula, ukurhoxiswa kwe-electrostatic kuncitshisiwe, i-cun ye-molecular incitshisiweyo, kwaye i-vickosity iyancipha.
3.3 I-ion yoxinzelelo
Iziphumo zokugxila kwe-ion kwi-viscosity ye-etelulose i-ether icacile. I-selsulose ether kunye ne-Ionic endaweni ye-Ionic iya kuchaphazeleka ngenxa yokufihla i-Ions yangaphandle kwisisombululo. Njengoko uxinzelelo lwe-ion kwisisombululo luyanda, iingodi zangaphandle ziya kulwenza buthathaka i-Electrostatic Preull Molecules, esenza i-molecular cen quin, ngaloo ndlela kuncitshiswa i-vickosity yesisombululo. Ngakumbi kwimeko ephezulu yetyuwa, i-vickosity ye-CMC iya kuncipha kakhulu, nto leyo ebaluleke kakhulu kuyilo lwesicelo.
4. Ulawulo lwe-viscosity kwimihlaba yesicelo
I-Telupelose Ether isetyenziswe ngokubanzi kwimimandla emininzi ngenxa yokulungelelaniswa kwalo Viscofity.
4.1 Izinto zokwakha
Kwizinto zokwakha, i-seluplose Ether (enje nge-HPMC) ihlala isetyenziswa kubukhoboka obuxubeneyo, i-pople powder, i-pople powder, i-tiley powder, i-tile kunye nezinye iimveliso zokulungelelanisa i-viscofity ye-vissosity kunye neepropathi ezichasene nolwakhiwo. Kwangelo xesha, kunokulibazisa ukugcinwa kwamanzi, ukuphucula ukugcinwa kwamanzi, kwaye ke kuphucule amandla kunye nokuqina kwemveliso yokugqibela.
4.2 I-Poayinti kunye nee-inki
I-Seleculose enithu i-TINACHEAMS kunye nezilonda kwi-caoat kunye nee-inki. Ngokuhlengahlengisa i-viscofity, baqinisekisa ukuba amanqanaba okubanjwa ngexesha lokwakha. Ukongeza, inokuphucula i-anti-splashing yenkcitho, inciphise i-iding, kwaye yenze ukwakhiwa kweyunifomu ngakumbi.
I-4.3 amayeza kunye nokutya
Kumasimi ozamayeza kunye nokutya, i-seluplose ehafu (njenge-HPMC, i-CMC) ihlala isetyenziswa njengamanzi amakhulu, ii-emulsifuer okanye izilonda. Umzekelo, i-HPMC, njengezinto zokuhamba kweetafile, zinokufikelela kwisiphumo sokukhululwa esizinzileyo seziyobisi ngokulawula inqanaba lokuphelisa. Ukutya, i-CMC isetyenziselwa ukwandisa i-viscofity, ukuphucula incasa, kwaye wandise ubomi bokutya.
4.4 cosmetics
Ukusetyenziswa kwe-selsulose ethssulose e ye-cosmetics ikakhulu igxile ikakhulu kwiimveliso ezinje ngemikhono, iigesi kunye nemaski yobuso. Ngokuhlengahlengisa i-viscofity, i-seluplose enene inika imveliso ifanelekile kwaye ibethe ifilimu enyanzelekileyo kulusu ukwandisa intuthuzelo ngexesha lokusetyenziswa.
Iziganeko ze-Ether Ither i-Selersulose I-Selersulose Other Inokulawula ngokufanelekileyo i-viscofity yezisombululo ngokwemo ekhethekileyo yemolekyuli kunye nokuphendula kwimeko yendawo yangaphandle. Oku kukhokelele kwisicelo sabo ngokubanzi kwimimandla emininzi enjengezokwakha, amayeza, ukutya kunye ne-cosmetics. Ngokuphuhliswa okuqhubekayo kwesayensi kunye netekhnoloji, imisebenzi ye-Selelsese ethstulose e Selese iya kwandiswa ngakumbi ukubonelela ngezisombululo zolawulo oluchanekileyo lwamabala amaninzi.
IXESHA LOKUQALA: NgoFebruwari-17-2025