Izinamatheliso zamathayili zidlala indima ebalulekile embonini yezokwakha, zihlinzeka ngezixazululo ezihlala njalo nezinhle zokunamathela kumathayili ezindaweni ezahlukahlukene. Ukusebenza kwe-adhesives ye-tile kuncike kakhulu kokuqukethwe kwezithasiselo ezibalulekile, lapho ama-polymers ahlakazeka kabusha kanye ne-cellulose yizithako ezimbili eziyinhloko.
1. Ama-polymer ahlakazeka kabusha:
1.1 Incazelo kanye nezakhiwo:
Ama-polymers ahlakazeka kabusha ayizithasiselo eziyimpuphu ezitholwe ngokufafaza ama-emulsions e-polymer noma ama-dispersions. Lawa ma-polymers ngokuvamile asekelwe ku-vinyl acetate, i-ethylene, ama-acrylics noma amanye ama-copolymers. Ifomu lempushana liphathwa kalula futhi lingafakwa ekwakhekeni kwe-adhesive tile.
1.2 Thuthukisa ukunamathela:
Ama-polymers ahlakazeka kabusha athuthukisa kakhulu ukunamathela kwezinamathelisi zamathayili ezinhlobonhlobo zama-substrates. I-polymer iyoma ukuze yakhe ifilimu eguqukayo, enamathelayo eyenza isibopho esiqinile phakathi kokunamathelayo kanye nethayili ne-substrate. Lokhu kunamathela okuthuthukisiwe kubalulekile ekuqinisekiseni ukuphila isikhathi eside nokuzinza kwendawo yethayela.
1.3 Ukuvumelana nezimo kanye nokumelana nokuqhekeka:
Ukwengezwa kwe-polymer ehlakazeka kabusha kunikeza ukuguquguquka kwe-adhesive tile, okukuvumela ukuthi uvumelane nokunyakaza kwe-substrate ngaphandle kokuqhekeka. Lokhu kuvumelana nezimo kubaluleke kakhulu ezindaweni lapho kushintsha khona izinga lokushisa noma izinguquko zesakhiwo, ukuvimbela ukwakheka kwemifantu engase ibeke engcupheni ubuqotho bobuso bethayela.
1.4 Ukumelana namanzi:
Ama-polymers aphinde ahlakazeka afaka isandla ekumelana namanzi kokunamathela kwamathayela. Ifilimu ye-polymer eyakhayo njengoba yomile isebenza njengesithiyo, ivimbele amanzi ukuthi angangeni futhi ngaleyo ndlela ivikele isibopho. Lokhu kubaluleke kakhulu ezindaweni ezinomswakama ezifana nezindlu zangasese namakhishi, lapho amazinga omswakama aphezulu.
1.5 Ukwakhiwa kanye namahora okuvula:
Izici ze-rheological zama-polymers ahlakazeka kabusha zidlala indima ebalulekile ekusebenzeni kwe-adhesives ye-tile. Basiza ukugcina ukungaguquguquki okufanele futhi baqinisekise ukusetshenziswa okulula. Ngaphezu kwalokho, i-polymer ehlakazeka kabusha isiza ukunweba isikhathi esivulekile se-adhesive, inikeze abafaki isikhathi esanele sokulungisa isimo sethayela ngaphambi kokuba isethi yokunamathela.
2. I-Cellulose:
2.1 Incazelo nezinhlobo:
I-Cellulose iyi-polymer yemvelo etholakala ezindongeni zamangqamuzana ezitshalo futhi ivame ukusetshenziswa njengesengezo kumathayela anamathelayo. Ama-cellulose ethers, afana ne-methylcellulose (MC) kanye ne-hydroxyethylcellulose (HEC), asetshenziswa kaningi ngenxa yokugcinwa kwawo kahle kwamanzi kanye nezindawo zokujiya.
2.2 Ukugcinwa kwamanzi:
Omunye wemisebenzi eyinhloko ye-cellulose kuma-adhesives we-tile amandla ayo okugcina amanzi. Lesi sici sinweba isikhathi esivulekile se-adhesive, ngaleyo ndlela sandise ukucutshungulwa. Uma i-cellulose imunca amanzi, yakha isakhiwo esifana nejeli esivimbela ingcina ukuthi yome ngokushesha ngesikhathi sokufakwa.
2.3 Thuthukisa ukucutshungulwa kanye nokumelana ne-sag:
I-Cellulose ithuthukisa ukusebenza kwe-adhesive ye-adhesive ngokuvimbela ukuhlehlisa ngesikhathi sokufakwa okuqondile. Ukuqina kwe-cellulose kusiza i-adhesive ukugcina ukuma kwayo odongeni, iqinisekisa ukuthi amathayili anamathela ngokulinganayo ngaphandle kokuwa.
2.4 Yehlisa ukushwabana:
I-Cellulose inganciphisa ukushwabana kwe-adhesive ye-tile phakathi nenqubo yokomisa. Lokhu kubalulekile ngoba ukuncipha ngokweqile kungaholela ekwakhekeni kwama-void kanye nemifantu, kubeke engcupheni ubuqotho obuphelele besibopho.
2.5 Umthelela emandleni e-tensile:
Izinamathiselo zamathayela ziqukethe i-cellulose ukuze zikhulise amandla azo aqinile. Lokhu kubaluleke kakhulu ezindaweni ezingaphansi kwemithwalo esindayo noma ingcindezi, njengoba kunomthelela ekuqina okuphelele nokusebenza kwendawo yethayela.
3. Umphumela we-Synergistic we-polymer ehlakazeka kabusha ne-cellulose:
3.1 Ukuhambisana:
Ama-polymers ahlakazeka kabusha kanye ne-cellulose avame ukukhethwa ngokuhambisana kwawo kanye nezinye izithako ekwakhiweni kwe-adhesive adhesive. Lokhu kuhambisana kuqinisekisa ingxube ye-homogeneous eyenza izinzuzo zesithasiselo ngasinye.
3.2 Inhlanganisela yokubambisana:
Inhlanganisela ye-polymer ehlakazeka kabusha ne-cellulose ikhiqiza umphumela we-synergistic ekubopheni. Amafilimu aguquguqukayo akhiwe ngama-polymers ahlakazeka kabusha ahambisana nezindawo zokugcina amanzi kanye nokujiya kwe-cellulose, okuholela ekunamatheleni okuqinile, okuhlala isikhathi eside futhi okusebenzayo.
3.3 Ukusebenza okuthuthukisiwe:
I-polymer ehlakazeka kabusha kanye ne-cellulose ndawonye ithuthukisa ukusebenza okuphelele kwe-adhesive tile, inikeza ukunamathela okungcono, ukuguquguquka, ukumelana kwamanzi, ukucutshungulwa nokuqina. Le nhlanganisela inenzuzo ikakhulukazi futhi ibalulekile ezinhlelweni ezidinga ukuhlangana okuthembekile nokuhlala isikhathi eside.
Ukufaka ama-polymers ahlakazeka kabusha kanye ne-cellulose ezintweni ezinamathelayo zamathayela kuwumkhuba wamasu futhi ofakazelwe embonini yezokwakha. Lezi zengezo zidlala indima ebalulekile ekuthuthukiseni ukunamathela, ukuguquguquka, ukumelana namanzi, ukucutshungulwa kanye nokuqina kwesikhathi eside. Ukusebenzisana phakathi kwama-polymer ahlakazeka kabusha kanye ne-cellulose kuholela ekwakhiweni kokunamathela okunokulinganisela okuhlangabezana nezidingo ezidingekayo zamaphrojekthi wokwakha wesimanje. Njengoba ubuchwepheshe nocwaningo luqhubeka nokuthuthuka, kulindeleke ukuthi kuthuthukiswe okunye okusha endaweni yokunamathisela amathayili, kugcizelelwe ngokuqhubekayo ekuthuthukiseni ukusebenza nokusimama kwalezi zinto zokwakha ezibalulekile.
Isikhathi sokuthumela: Dec-26-2023