Focus on Cellulose ethers

Buyini ubudlelwano phakathi kwendlela yokunamathisela ithayela le-ceramic kanye nokuqukethwe kwe-cellulose ether ku-adhesive tile ye-ceramic?

Ubudlelwano phakathi kwendlela yokunamathisela ithayela le-ceramic kanye nokuqukethwe kwe-cellulose ether kokunamathela kuthayela we-ceramic kubalulekile ukuze uqondwe ukuze kuzuzwe imiphumela emihle ekufakweni kwamathayela. Lobu budlelwano buhlanganisa izici ezihlukahlukene, okuhlanganisa izici zokunamathela, ukusebenza, nokusebenza kokugcina kwamathayili afakiwe.

Ama-cellulose ethers asetshenziswa kakhulu njengezithasiselo ezinamathelayo zamathayela e-ceramic ngenxa yekhono lawo lokuguqula izakhiwo ze-rheological, ukuthuthukisa ukugcinwa kwamanzi, ukuthuthukisa ukunamathela, nokulawula ukuziphatha kokumisa. Okuqukethwe kwe-cellulose ether ekwenziweni kokunamathela kudlala indima ebalulekile ekunqumeni izici zokusebenza kwe-adhesive, okuhlanganisa isikhathi esivulekile, amandla okugunda, ukumelana nokushelela, nokumelana nokucwila.

Enye yezinto eziyinhloko ezithintwa okuqukethwe kwe-cellulose ether ukungaguquguquki noma ukusebenza kokunamathelayo. Okuqukethwe kwe-ether ye-cellulose ephezulu kuvame ekwandiseni i-viscosity ye-adhesive, okuholela ekuthuthukisweni kokumelana nokucwila kanye nokumbozeka okungcono okuqondile, okuyenza ifanelekele izinhlelo zokusebenza zokuthayela okuqondile noma ukufaka amathayela anefomethi enkulu lapho ukushelela phakathi nokufaka kuwukukhathazeka.

Ngaphezu kwalokho, ama-cellulose ethers anomthelela kumvelo we-thixotropic we-adhesive, okusho ukuthi iyancipha ukubonakala ngaphansi kwengcindezi ye-shear, yenza kube lula ukusakazeka nokudonsa phakathi nokusetshenziswa. Lesi sakhiwo sinenzuzo ikakhulukazi ekufinyeleleni ukumbozwa okufanele kanye nokunciphisa amaphakethe omoya, ikakhulukazi uma usebenzisa indlela yombhede omncane wokufakwa kwamathayili.

Ukukhethwa kwendlela yokunamathisela i-ceramic tile, kungakhathaliseki ukuthi indlela yombhede omncane noma indlela yombhede ominyene, kuthonywa izici ezihlukahlukene, okuhlanganisa isimo se-substrate, usayizi wethayili nefomethi, kanye nezidingo zephrojekthi. Indlela yombhede omncane, ebonakala ngokusebenzisa ungqimba oluqinile lokunamathela (okuvame ukuba ngaphansi kuka-3mm), ivame ukuthandwa kakhulu ekufakweni kwamathayela esimanje ngenxa yokusebenza kahle kwayo, isivinini, kanye nokusebenza kahle kwezindleko.

Ngendlela yombhede omncane, okuqukethwe kwe-cellulose ether ku-adhesive kudlala indima ebalulekile ekugcineni isikhathi esivulekile se-adhesive, okubhekisela esikhathini lapho okunamathelayo kuhlala kusebenza ngemva kokufakwa. Isikhathi sokuvula esanele sibalulekile ukuze ulungise indawo yethayela, uqinisekise ukuqondanisa okufanele, kanye nokuzuza amandla ebhondi agculisayo. Ama-cellulose ethers asiza ekwandiseni isikhathi esivulekile ngokulawula izinga lokuhwamuka kwamanzi kusuka kokunamathelayo, ngaleyo ndlela avumele isikhathi esanele sokulungiswa kwamathayili ngaphambi kokuba amasethi okunamathelayo.

okuqukethwe kwe-cellulose ether kuthonya ikhono lokunamathela lokumanzisa i-substrate nezindawo zamathayela ngokufana, okukhuthaza ukunamathela okuqinile futhi kunciphise ubungozi bokubola noma ukuhluleka kwebhondi. Lokhu kubaluleke kakhulu ezindaweni ezingaphansi komswakama noma ukuhluka kwezinga lokushisa, njengamagumbi okugeza, amakhishi, noma ukufakwa kwangaphandle, lapho ukuqina kwesikhathi eside kubaluleke kakhulu.

indlela yombhede owugqinsi, ehlanganisa ukusebenzisa ungqimba oluqinile lokunamathisela ukuze kunxeshezelwe ukungahambi kahle ku-substrate noma ukufaka amathayela anefomethi enkulu noma asindayo, idinga izinto zokunamathisela ezinezimpawu ezihlukile ze-rheological. Nakuba ama-cellulose ethers asasetshenziswa ezintweni ezinamathelayo ezinombhede owugqinsi ukuze kuthuthukiswe ukugcinwa kwamanzi nokusebenza, ezinye izithasiselo ezifana nama-latex polymers noma izithasiselo eziyimpuphu zingase zifakwe ukuze kuthuthukiswe ukukhubazeka namandla okugunda.

Ngaphezu kwalokho, okuqukethwe kwe-cellulose ether kuthinta izici zokuphulukisa nokomisa kokunamathelayo, kube nomthelela kumugqa wesikhathi wokukhipha i-grout kanye nokusetshenziswa kwethayela okulandelayo. Okuqukethwe okuphezulu kwe-cellulose ether kungandisa isikhathi sokumisa, kudinga izikhathi ezinde zokulinda ngaphambi kokuthi kuqale ukugawula. Ngokuphambene, okuqukethwe kwe-cellulose ether ephansi kungase kusheshise ukoma kodwa kungase kufake engozini ukusebenza kokunamathelayo kukonke, ikakhulukazi mayelana namandla ebhondi nokumelana namanzi.

ubudlelwano phakathi kwendlela yokunamathisela ithayela le-ceramic kanye nokuqukethwe kwe-cellulose ether ku-adhesive tile ye-ceramic kunezici eziningi futhi kuyinkimbinkimbi. Okuqukethwe kwe-cellulose ether kuthonya kakhulu izici ze-rheological enamathelayo, ukusebenza, ukusebenza kokunamathela, kanye nokuziphatha kokwelapha, ngaleyo ndlela kube nomthelela ekusebenzeni kwezindlela ezihlukene zokunamathisela. Ngokuqonda nokuthuthukisa lobu budlelwano, abafaki bamathayela bangafinyelela imiphumela ephezulu ngokuya ngokunamathela kwethayela, ukuqina, kanye nokusebenza kahle kwephrojekthi iyonke.


Isikhathi sokuthumela: May-20-2024
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