I-Hydroxyethyl Cellulose (HEC) yipolymer enyibilikayo emanzini esetyenziswa rhoqo njenge-thickener, emulsifier, stabilizer, njl.
Amanyathelo okunyibilikisa iHydroxyethyl Cellulose
Lungisa izixhobo kunye nezixhobo:
Umgubo weHydroxyethyl Cellulose
Isinyibilikisi (ngesiqhelo ngamanzi)
Isixhobo sokuxukuxa (njengesixhobo sokuxukuxa ngoomatshini)
Izixhobo zokulinganisa (isilinda yokulinganisa, ibhalansi, njl.njl.)
Isikhongozeli
Ukufudumeza isinyibilikisi:
Ukuze kukhawuleziswe inkqubo yokunyibilika, isinyibilikisi singafudunyezwa ngokufanelekileyo, kodwa ngokubanzi akufuneki sidlule kwi-50°C ukuze kuthintelwe ukubola kobushushu. Amaqondo obushushu amanzi aphakathi kwe-30°C kunye ne-50°C afanelekile.
Yongeza kancinci umgubo we-HEC:
Fafaza kancinci umgubo we-HEC emanzini ashushu. Ukuze uphephe ukuhlangana, yifake ngesihluzo okanye uyifafaze kancinci. Qinisekisa ukuba umgubo we-HEC usasazeke ngokulinganayo ngexesha lokuxukuxa.
Qhubeka uvuselela:
Ngexesha lenkqubo yokuxukuxa, qhubeka ufaka kancinci umgubo we-HEC ukuqinisekisa ukuba umgubo usasazeke ngokulinganayo emanzini. Isantya sokuxukuxa akufuneki sikhawuleze kakhulu ukuthintela amaqamza kunye nokuhlangana. Ukuxukuxa ngesantya esiphakathi kudla ngokucetyiswa.
Ukunyibilika okumiyo: Emva kokusasazeka ngokupheleleyo, kudla ngokuba yimfuneko ukuma ixesha elithile (ngesiqhelo iiyure ezininzi okanye ngaphezulu) ukuze i-HEC inyibilike ngokupheleleyo ize yenze isisombululo esifanayo. Ixesha lokuma lixhomekeke kubunzima beemolekyuli ze-HEC kunye noxinzelelo lwesisombululo.
Ukulungisa i-viscosity: Ukuba i-viscosity kufuneka ilungiswe, ubungakanani be-HEC bunokonyuswa okanye buncitshiswe ngokufanelekileyo. Ukongeza, bunokulungiswa ngokongeza ii-electrolytes, ukutshintsha ixabiso le-pH, njl.njl.
Amanyathelo okhuseleko xa kunyibilika
Kuphephe ukuhlangana: I-Hydroxyethyl cellulose kulula ukuyihlanganisa, ngoko ke xa ufaka umgubo, nikela ingqalelo ekhethekileyo ekuyifafazeni ngokulinganayo. Isihluzo okanye esinye isixhobo sokuchithachitha singasetyenziswa ukunceda ukusasazeka ngokulinganayo.
Ubushushu bolawulo: Ubushushu besinyibilikisi akufuneki bube phezulu kakhulu, kungenjalo bunokubangela ukuwohloka kobushushu be-HEC kwaye buchaphazele ukusebenza kwesinyibilikisi. Ngokuqhelekileyo kufanelekile ukuyilawula phakathi kwama-30°C nama-50°C.
Vimbela umoya ukuba ungangeni: Kuphephe ukuxukuxa ngokukhawuleza kakhulu ukuze uthintele umoya ukuba ungangeni kwisisombululo ukuze wenze amaqamza. Amaqamza aya kuchaphazela ukufana kunye nokucaca kwesisombululo.
Khetha izixhobo zokuxukuxa ezifanelekileyo: Khetha izixhobo zokuxukuxa ezifanelekileyo ngokwe-viscosity yesisombululo. Kwizisombululo ezixineneyo, kungasetyenziswa izixukuxa eziqhelekileyo; kwizisombululo ezixineneyo kakhulu, kusenokufuneka isixukuxa esinamandla.
Ukugcinwa kunye nokugcinwa:
Isisombululo se-HEC esinyibilikisiweyo kufuneka sigcinwe kwisikhongozeli esivaliweyo ukuthintela ukufuma okanye ungcoliseko. Xa sigcinwe ixesha elide, kuphephe ukukhanya kwelanga ngqo kunye nobushushu obuphezulu ukuqinisekisa uzinzo lwesisombululo.
Iingxaki eziqhelekileyo kunye nezisombululo
Ukuchithwa okungalinganiyo:
Ukuba kwenzeka ukunyibilika okungalinganiyo, kusenokwenzeka ukuba umgubo ufafazwe ngokukhawuleza kakhulu okanye ungaxutywanga ngokwaneleyo. Isisombululo kukuphucula ukufana kokuxuba, ukwandisa ixesha lokuxuba, okanye ukulungisa isantya sokongeza umgubo ngexesha lokuxuba.
Isizukulwana samaqamza:
Ukuba kuvela inani elikhulu lamaqamza kwisisombululo, la maqamza angancitshiswa ngokucothisa isantya sokuxukuxa okanye ukuwayeka ahlale ixesha elide. Kwiiqamza esele zenziwe, kungasetyenziswa iarhente yokukhupha igesi okanye unyango lwe-ultrasound lungasetyenziswa ukuzisusa.
I-viscosity yesisombululo iphezulu kakhulu okanye iphantsi kakhulu:
Xa i-viscosity yesisombululo ingahlangabezani neemfuno, inokulawulwa ngokulungelelanisa ubungakanani be-HEC. Ukongeza, ukulungisa ixabiso le-pH kunye namandla e-ionic yesisombululo kunokuchaphazela i-viscosity.
Ungayinyibilikisa ngempumelelo i-hydroxyethyl cellulose uze ufumane isisombululo esifanayo nesizinzileyo. Ukukwazi amanyathelo okusebenza afanelekileyo kunye namanyathelo okhuseleko kunokwandisa impembelelo ye-hydroxyethyl cellulose kwiindlela ezahlukeneyo zokusebenza.
Ixesha lokuthumela: Agasti-08-2024