Ama-cellulose ethers ayizithako eziguquguqukayo ezisetshenziswa ezinhlobonhlobo zezimboni ezihlanganisa ukudla, imithi kanye nezokwakha. Embonini yezokwakha, ama-cellulose ethers ayizithako eziyinhloko ezintweni eziningi zokwakha kanye nemikhiqizo, kuhlanganise ne-gypsum spray plasters. I-Gypsum spray stucco iyinketho ethandwayo yodonga lwangaphakathi nophahla ngenxa yokumelana nomlilo okuhle kakhulu, izakhiwo ze-acoustic kanye nokusetshenziswa kalula. Kodwa-ke, izinga nokusebenza kwe-gypsum spray plaster kuncike kakhulu ohlotsheni kanye nenani le-cellulose ether esetshenziswe ekubunjweni. Kulesi sihloko, sizoxoxa ngendima ebalulekile ye-cellulose ethers ku-stucco ye-gypsum spray.
Ngaphambi kokuhlolisisa indima ye-cellulose ether ku-gypsum spray plaster, ake siqale siqonde ukuthi iyini i-cellulose ether. Ama-cellulose ether angamakhemikhali atholakala ku-cellulose, ingxenye eyinhloko yezindonga zamangqamuzana ezitshalo. Kuyi-polymer engancibiliki emanzini e-nonionic evame ukusetshenziswa njenge-thickener, binder and stabilizer. Embonini yezokwakha, ama-cellulose ether asetshenziswa kakhulu njengama-ejenti okugcina amanzi, izilawuli ze-viscosity kanye nezithuthukisi zokusebenza.
Ukubuyela emuva ku-stucco ye-gypsum spray, i-cellulose ethers idlala indima ebalulekile ekuthuthukiseni izakhiwo zempahla ngezindlela eziningana. Okokuqala, i-cellulose ether isebenza njenge-ejenti yokugcina amanzi, esiza ukuthuthukisa ukusebenza kahle nokunciphisa ukuqhekeka kwe-plaster. Lokhu kungenxa yokuthi ama-molecule e-cellulose ether ane-hydrophilic, okusho ukuthi amunca kalula futhi agcine ama-molecule amanzi, okuvimbela ukhonkolo ukuthi lome ngokushesha. Ngenxa yalokhu, i-stucco ihlala imanzi isikhathi eside, ivumela u-plaster ukuthi afake futhi aqedele i-stucco ngokushelela futhi ngokulinganayo.
Ama-cellulose ethers asebenza njengezishintshi ze-viscosity, esiza ukulawula ukugeleza nokuvumelana kwegypsum. Lokhu kubaluleke kakhulu nge-stucco efuthwe nge-gypsum, edinga iphethini eqinile futhi eshibhile. Ukwengezwa kwe-cellulose ethers ekwakhiweni kwe-gypsum kusiza ukwandisa i-viscosity futhi kuthuthukiswe ukuziphatha kwe-thixotropic kwe-gypsum. Lokhu kusho ukuthi i-stucco iba mkhulu futhi ibe ne-viscous uma ingafuthwanga, kodwa iba noketshezi oluningi futhi kulula ukuyifutha ngaphansi kwengcindezi. Ngenxa yalokho, ama-plasterers angakwazi ukufeza iphethini engaguquki futhi yesifutho ukuze kube nesiphetho esibushelelezi, esibukeka kahle kakhulu.
Ama-cellulose ethers asebenza njengezithuthukisi zokusebenza, esiza ukuthuthukisa ukuphatha nokuqeda izakhiwo ze-stucco. Lokhu kungenxa yokuthi ama-molecule e-cellulose ether made futhi ayavumelana nezimo, awavumela ukuba abambene futhi akhe inethiwekhi enezinhlangothi ezintathu ku-matrix ye-gypsum. Lesi sakhiwo senethiwekhi sinomthelela ekubumbaneni nasekuqineni kwe-stucco, okwenza kube mancane amathuba okuqhekeka, ukugoqa noma ukuncipha. Ngaphezu kwalokho, ukuba khona kwama-cellulose ethers ku-stucco nakho kusiza ekunciphiseni okuqukethwe komoya, ngaleyo ndlela kwandise ukuqina kwe-stucco nokumelana namanzi nezinye izici zemvelo.
Ama-cellulose ether asiza futhi ukuthuthukisa ukumelana nomlilo kwe-stucco ye-gypsum spray. Lokhu kungenxa yokuthi i-cellulose ether ayishi futhi ingamelana namazinga okushisa aphezulu ngaphandle kokubola. Ukwengeza, ukuba khona kwe-cellulose ethers ku-gypsum kusiza ukunciphisa ukuvutha kanye nokukhiqizwa kwentuthu kwe-gypsum, okuyenza ibe yinto ephephile futhi ekwazi ukumelana nomlilo.
Ama-cellulose ether adlala indima ebalulekile ekuthuthukiseni ikhwalithi nokusebenza kwe-gypsum spray plaster. Ngokusebenza njengama-ejenti okugcina amanzi, izilungisi ze-viscosity, izithuthukisi zokusebenza nezinqanda ilangabi, ama-cellulose ether asiza ukuthuthukisa ukusebenza, ukufuthwa, ukuphulukiswa, amandla kanye nokuqina kwe-stucco. Ngokulandelayo, lokhu kubangela izinto zokuhlobisa ezibukeka kahle kakhulu, ezihlala isikhathi eside futhi ezingashi. Ngakho-ke, ukusetshenziswa kwe-cellulose ethers ku-gypsum spray plasters nezinye izinto zokwakha kunconywa kakhulu ukuze izakhiwo zabo ezizuzisayo zisetshenziswe ngokugcwele.
Isikhathi sokuthumela: Aug-08-2023