Izinsipho zoketshezi ziwuhlobo oluvamile lomkhiqizo osetshenziswa ekuhlanzeni indlu. Zisekelwe emanzini futhi zingasusa ngempumelelo ukungcola, amafutha nokunye ukungcola. Ukuze kuthuthukiswe ulwazi lwazo lokusetshenziswa, zivame ukudinga ukulungiswa zibe yi-viscosity efanele. I-viscosity yensipho akufanele ibe phansi kakhulu, ngaphandle kwalokho izogeleza ngokushesha, okwenza kube nzima ukulawula inani, futhi izozizwa "incane" uma isetshenziswa; kodwa akufanele ibe phezulu kakhulu, njengoba ingase ibe mnene kakhulu futhi kube nzima ukuyisabalalisa nokuyihlanza. Ngakho-ke, izithisi sezibe ngesinye sezithako ezibalulekile ekwakhiweni kwensipho yoketshezi.
1. I-Sodium carboxymethyl cellulose (CMC)
I-Sodium carboxymethyl cellulose iyisithako esisetshenziswa kakhulu ezinhlotsheni zokuhlanza. Iwumkhiqizo we-cellulose oncibilika emanzini ongakhuphula ngempumelelo i-viscosity yoketshezi. I-CMC inezinzuzo ezilandelayo:
Ukuncibilika kwamanzi okuhle: I-CMC ingancibilika ngokushesha emanzini bese yakha isixazululo esifanayo, esibonakalayo esixazululweni samanzi.
Ithambile futhi ayicasuli: I-CMC iyinto eyenziwe nge-polymer etholakala ngokwemvelo engenamiphumela emibi esikhumbeni noma emvelweni, ehlangabezana nezidingo zabathengi banamuhla zokuvikela imvelo kanye nempilo.
Ukuhambisana okuhle: I-CMC ihambisana kahle nezinye izithako ezifomini zokuhlanza, ngaphandle kwezinkinga ezifana nokuhlukaniswa noma ukubola, futhi ngeke ithinte umphumela wokuwasha.
2. I-Xanthan gum
I-Xanthan gum iyinhlanganisela yemvelo ye-polysaccharide ekhiqizwa ukubiliswa kwamagciwane, evame ukusetshenziswa ekudleni, ezimonyweni nasezinhlinzweni zokuhlanza. Ukusetshenziswa kwe-xanthan gum ezinhlinzweni zokuhlanza kunezici ezilandelayo:
Umphumela omuhle kakhulu wokujiya: Ngisho noma inani eliphansi lokwengeza, i-xanthan gum ingakhuphula kakhulu ukujiya koketshezi.
Ukusebenza kokuncibilikisa okulwa nokunqunywa: I-Xanthan gum inezakhiwo ezinhle zokuncibilikisa ukunqunywa. Uma ixutshwa noma icindezelwa, ukuncibilikisa kwensipho kuzoncipha okwesikhashana, okuyinto elula ukusatshalaliswa nokusetshenziswa; kodwa ukuncibilikisa kungabuyiselwa ngokushesha ngemva kokusetshenziswa ukuze kugwenywe ukugeleza ngokweqile.
Ukumelana nokushisa okunamandla: I-Xanthan gum ingahlala izinzile emazingeni okushisa aphezulu noma aphansi, ayithambekeli ekuwohlokeni noma ekunciphiseni i-viscosity, futhi iyisithambisi esisebenza kahle ngaphansi kwezimo ezimbi kakhulu.
3. Iziqinisi ze-Polyacrylate
Izithambisi ze-Polyacrylate (njenge-Carbomer) ziyizinto zokwenziwa ze-polymer ezinekhono eliqinile kakhulu lokujiya, ezifanele kakhulu ukuqina kwezinsipho ezisobala. Izici zazo eziyinhloko zifaka:
Ukucaca okuphezulu: I-Polyacrylate ingakha izixazululo ezicacile kakhulu, okwenza kube ukukhetha okuhle kakhulu kokujiya kwezinsipho ezisobala.
Ikhono lokujiya elisebenzayo: I-Polyacrylate ingafinyelela imiphumela ebalulekile yokujiya ngamanani aphansi futhi inokulawula okunembile kakhulu phezu kwe-viscosity.
Ukuncika kwe-pH: Umphumela wokujiya kwalesi sithako sokujiya uhlobene eduze nenani le-pH lesisombululo, futhi ngokuvamile usebenza kahle kakhulu ngaphansi kwezimo ezibuthakathaka ze-alkaline, ngakho-ke i-pH yefomula idinga ukulungiswa uma isetshenziswa ukuthola umphumela omuhle kakhulu.
4. Izinto zokujiyisa usawoti
Usawoti (njenge-sodium chloride, i-sodium sulfate, njll.) nawo angama-thickeners avamile kuma-detergents aketshezi, ikakhulukazi kuma-detergents aqukethe ama-surfactants. Umgomo wawo osebenzayo ukushintsha ukuhlelwa kwama-molecule e-surfactant ngokulungisa amandla e-ionic esistimu, ngaleyo ndlela kuthinte i-viscosity. Izinzuzo zama-thickeners kasawoti zifaka:
Izindleko eziphansi: Izinto zokujiya usawoti zishibhile futhi kulula ukuzithola, ngakho-ke zinezinzuzo zezindleko ekukhiqizweni ngobuningi.
Umphumela wokubambisana nama-surfactants: Ama-salt thickeners angathuthukisa ngempumelelo i-viscosity yesistimu kumafomula anokuqukethwe okuphezulu kwe-surfactant.
Uhlu olubanzi lokusetshenziswa: Le ndlela yokuqinisa isetshenziswa ezinhlotsheni eziningi zokuhlanza zezentengiselwano, ikakhulukazi ezinhlotsheni zokuhlanza zezimboni.
Kodwa-ke, ukusetshenziswa kwezithambisi zikasawoti nakho kunemikhawulo ethile. Isibonelo, inani elingeziwe akufanele libe liningi kakhulu, ngaphandle kwalokho kungabangela ukuthi ukuncibilika kwensipho yehlise noma ngisho nemvula. Ngaphezu kwalokho, ukunemba kokulungiswa kwe-viscosity kwezithambisi zikasawoti akukuhle njengezinye izithambisi.
5. Ama-alcohols anamafutha athosiwe (njenge-sodium C12-14 alcohol ether sulfate)
Ngaphezu komsebenzi wayo oyinhloko wokuhlanza, ama-surfactants e-ethoxylated fatty alcohol nawo anomphumela othile wokujiya. Ngokulungisa isilinganiso sala ma-surfactants, umphumela othile wokujiya ungatholakala. Izinzuzo zawo yilezi:
Ukuguquguquka: Lolu hlobo lwe-surfactant alukwazi nje ukudlala indima yokuqina, kodwa futhi luthuthukisa ukugcinwa kwe-detergent ye-detergent.
Ukuhambisana kahle nezinye izithako: Ama-alcohol anamafutha e-ethoxylated ayahambisana nama-surfactants avamile, ukunambitheka, imibala nezinye izithako, futhi ngeke kuthinte ukusebenza komkhiqizo wokugcina.
Nciphisa isidingo sezinye izithisi: Njengoba inemisebenzi yokuhlanza kanye nokuqina, ukusetshenziswa kwezithisisi ezimsulwa kungancishiswa kule fomula, ngaleyo ndlela kuthuthukiswe izindleko.
6. Ama-copolymer e-acrylate
Ama-copolymer e-acrylate ayizinhlobo zezithisi ze-polymer zokwenziwa ezivame ukusetshenziswa ezinhlotsheni zokuhlanzisa ezisezingeni eliphezulu noma ezinomsebenzi okhethekile. Izici zazo eziyinhloko zifaka:
Ukulawulwa kwe-viscosity okunembile: Ngokulungisa isakhiwo se-copolymer, i-viscosity yomkhiqizo ingalawulwa ngokunembile ukuze kufezwe umphumela ofiselekayo.
Ukuqina okuhle: Lesi siqinisi sinokuqina okuhle kwamakhemikhali nokomzimba futhi singagcina i-viscosity enhle emazingeni okushisa ahlukahlukene, amanani e-pH kanye nezinhlelo ze-surfactant.
Akulula ukuhlukanisa: Izithambisi ze-acrylate copolymer zibonisa ikhono elihle lokulwa nokuhlukanisa kuma-detergent aketshezi, okuqinisekisa ukuzinza komkhiqizo lapho ugcinwa isikhathi eside.
Ukukhethwa kwesithambisi-manzi ezinhlotsheni zokuhlanza eziwuketshezi kuncike ezintweni eziningi, okuhlanganisa uhlobo lwe-surfactant kufomula, izidingo zokubonakala, ukulawulwa kwezindleko kanye nolwazi lomsebenzisi. I-Sodium carboxymethyl cellulose kanye ne-xanthan gum ngokuvamile kuyizinketho ezinhle kakhulu ezinhlotsheni zokuhlanza ezivamile zasekhaya ngenxa yokuncibilika kwazo emanzini okuhle, ubumnene kanye nomphumela wokuqina. Kuma-detergent abonakalayo, ama-polyacrylate thickeners ayathandwa. Ama-salt thickeners anezinzuzo zezindleko futhi afanelekela ukukhiqizwa okukhulu kwezinhlobiso zezimboni.
Isikhathi sokuthunyelwe: Okthoba-18-2024