Ukuba yi-resin yokwenziwa ephezulu yokusebenza, i-epoxy resin iye yasetshenziswa kakhulu emikhakheni eminingi yokuphila. Ngenxa yokunamathela kwayo okukhulu, ukumelana nokugqwala okukhulu, izimfanelo eziqinile zemishini, nokumelana nokushisa okukhulu, manje isiyinto efanelekile endaweni yokuvikela ukumboza. Ezindaweni eziningi, ingase inikeze isembozo esiqinile nesiqinile ukuze ivikele i-substrate ekugugeni kwemishini, ukugqwala kwamakhemikhali kanye nokuguquguquka kwezinga lokushisa. Noma ngabe kuyinsimbi, ukhonkolo, ukhuni, ipulasitiki nezinye izindawo, ingase inikeze ukunamathela okuhle kokuvikela ukuze kunwebe impilo yayo yesevisi endaweni enobutha.
Nakuba isebenza kahle kakhulu ekuvikeleni ukumboza, ukusebenziseka kwayo kusancike endaweni ethile yohlelo lokusebenza, izimo ezingaphezulu kanye nemibandela yobuchwepheshe. Ngakho-ke, ukukhetha nokusetshenziswa kwe-epoxy resin kuncike ekuqapheliseni izici zayo nezinzuzo kanye nemikhawulo ekuvikelweni kokumboza.
Izici nezinzuzo ze-epoxy resin ezingeni eliyisisekelo
Amaqembu e-epoxy axhumanisa ama-cross-link nama-hardeners ngokusabela kwamakhemikhali akhiqiza inhlaka yokwenziwa. Izici zayo eziyinhloko amandla amakhulu, ukumelana nokugqwala kwamakhemikhali, ukunamathela okukhulu, ukufakwa kukagesi okuphakeme, nokuzinza okuqinile kokushisa. Ukulandela ukuphulukiswa, kungase kunikeze isakhiwo senethiwekhi esinezinhlangothi ezintathu esiqinile esinokuqina okuhle kakhulu, ukumelana nokugqoka, nokumelana nokucindezelwa kwempahla.
I-epoxy resin inezinzuzo ezicace kakhulu mayelana nokuvikela ukunamathela. Okokuqala, ingakha i-homogeneous coating futhi inamathele ngokuqinile ebusweni bezingxenye eziningi, kuhlanganise nensimbi, ukhonkolo, ukhuni nezinye izindawo. Okwesibili, kukhombisa ubulukhuni obukhulu kanye nokuqina ngesikhathi sokwelashwa, okungasiza ukumelana ngokwanele nokuthinteka ngokomzimba, imihuzuko kanye nokuhuzuka. Ekugcineni, ukumelana kwamakhemikhali e-epoxy resin kuyisiza ukuthi imelane nokuguguleka kwezinto eziningi ezihlanganisa ama-asidi, ama-alkali, usawoti, izincibilikisi, njll., ngaleyo ndlela andise impilo yesevisi ye-substrate.
Isicelo ekuvikelweni kwe-anti-corrosion
Isetshenziswa kakhulu esizindeni sokuvikela ukugqwala. Izinto ezivamile zokugqwala embonini ziwukwakhiwa kwensimbi, ikakhulukazi ezindaweni ezigqwala kakhulu njengolwandle, izitshalo zamakhemikhali, nezinkundla zikawoyela, lapho okungaphezulu kwensimbi kudinga ukuvikelwa okuthile. Ukumboza kungase kuvimbele ukugqwala, i-oxidation nezinye izehlakalo zokugqwala kanye nokuhlukanisa kahle insimbi ekuthinteni nomswakama, umoya-mpilo kanye nezinye izinhlanganisela ezigqwalile. Ikakhulukazi ebusweni bemikhiqizo yensimbi njengethusi, ingxubevange ye-aluminium, nensimbi, ukunamathela kungase kunganikezeli nje kuphela ukuzivikela ngokomzimba kodwa futhi kwandise ukuphila kwalezi zinto zensimbi.
Ezindaweni zasolwandle, ngokwesibonelo, izingxenye zensimbi ezihlanganisa izinkundla zikawoyela zasolwandle kanye nemikhumbi kuvame ukuba ngaphansi kwamanzi anosawoti, umswakama, i-asidi kanye nenhlanganisela ye-alkaline. Ukumbozwa kungase konge kakhulu izindleko zokulungisa nokushintsha futhi kumise kahle amanzi anosawoti ukuthi angagqwali ingaphezulu lensimbi. Nasemikhakheni yamakhemikhali, yezimayini kanye namandla, ingase inikeze isivikelo sesikhathi eside sokunqanda ukugqwala.
Isenzo sokuvikela kukhonkolo
Akukona kuphela okubalulekile ezintweni zensimbi kodwa futhi kusetshenziswe kakhulu ekulondolozeni ukwakhiwa kokhonkolo. Isikhathi eside, indawo kakhonkolo ingaphansi komswakama, i-asidi, i-alkali namanye amakhemikhali, okubangela ukugqwala nokuxebuka. Ngokusebenzisa ungqimba oluvikelayo olusebenza kahle, ukunamathela kungasiza ukhonkolo ukumisa ukungena komswakamo, ama-chloride nama-ejenti aqeda amandla amakhemikhali, futhi kwehlise izinga lokuwohloka kukakhonkolo.
Imigwaqo, amabhuloho, imihubhe, izakhiwo ezingaphansi komhlaba, neminye imiklamo yokwakha konke kuncike embotsheni yayo engangeni manzi nokunqanda ukugqwala ukuze kwandiswe ukuphila kukakhonkolo. I-Epoxy resin iyinto efanelekile yokuvimbela amanzi kanye nokubola emkhakheni wokwakha ngenxa yokungangeni kwayo nokuvala izimfanelo zayo. Ngaphezu kwalokho ukuvikela ubuso obukhonkolo ekulimazeni ngokomzimba kungamandla amakhulu nokumelana nokugqoka kwesembozo.
Sebenzisa ekulondolozeni izinkuni
Nakuba ukhuni luyimpahla yemvelo enobuciko nokubukeka okuhle kakhulu, umswakama, izinambuzane, ukubola, nemisebe ye-UV ngokuvamile kuthonya ukukhuthazela kwalo. Kuyinto yokuvikela i-premium coating ezosiza impilo yesevisi yezinkuni inwetshwe. I-epoxy resin esetshenziswa phezu kokhuni ayigcini nje ngokukhuphula ukumelana ne-UV kanye nokungangeni kwamanzi kodwa futhi inikeza isivikelo esithile sokuqeda ukugqwala.
Ukumboza kungase kunciphise ukungena kwamanzi kanye nokuhlasela kwezinambuzane, kumise ungqimba oluqinile lokuvikela ngokungena emiculweni yokhuni, futhi kusize ukhuni ukuba luphuke futhi luwohloke kancane. Ukufakwa kwe-epoxy resin kungase kunikeze ukuvikeleka okuhlala isikhathi eside kwezinkuni ikakhulukazi ezimpahleni zokhuni njengefenisha yangaphandle, amadekhi emikhumbi, nezindlu zamapulangwe okufanele zihlale zivezwe endaweni engaphandle.
Ukumelana nokushisa kanye nesimo sezulu
Ezimweni ezithile, ukumelana nokushisa kanye nokumelana nesimo sezulu nakho kudlala umsebenzi omkhulu wokuvikela. Ngokuvamile isebenza kahle ngaphansi kokuguquguquka kwezinga lokushisa phakathi kuka-60°C no-150°C, i-epoxy resin evamile ingabekezelela amazinga okushisa aphezulu phakathi kwebanga elithile. Ama-epoxy resins aklanywe ngokukhethekile, ngemva kokuguqulwa, angase athuthukise ukumelana nokushisa futhi abekezelele izimo zokushisa eziphakeme, okuwenza asetshenziswe kakhulu ekuvikeleni ukumboza ezizindeni zezimoto, izindiza, izinto zikagesi nezikagesi.
Ngaphezu kwalokho, ukumelana kwe-epoxy resin ezintweni kuqinisekisa ukwethembeka kwayo endaweni engaphandle. Nakuba ukumelana nemisebe ye-UV kuncane kancane, amandla ayo okumelana nemisebe ye-UV angase athuthukiswe ngokusebenzisa ifomula efanele ukuze ikwazi futhi ukudlala umsebenzi wokuvikela wesikhathi eside ezindaweni ezinokukhanya kwelanga okuphezulu nokuhluka okuphawulekayo kwezinga lokushisa.
Izindlela zokusebenzisa ama-coatings:
Nakuba ukuvikelwa kokumboza kunezinzuzo eziningi, izinkinga ezimbalwa kusafanele zicatshangelwe ngesikhathi sokusetshenziswa kwakho. Okokuqala, inqubo yokwelapha i-epoxy resin ihlanganisa izici ezithile zokushisa nomswakama. Isenzo sokuphulukisa se-epoxy resin sizothinteka ngokushisa okuphansi kakhulu kanye nomswakama ophezulu kakhulu; noma kunjalo, lezi zici zizokhiqiza ubuso be-bubbles enamathela noma ukungalingani. Okwesibili, ubukhulu be-epoxy resin kufanele bulawuleke. Ukwembozwa okukhulu kakhulu kungabangela ukwelapha okunganele, ngakho-ke kunomthelela ekubambeleleni kwayo nasekuqineni kwayo.
Ngaphandle kwalokho, ukulungiswa kwendawo kudinga izindinganiso eziqinile. Ukuqinisekisa ukunamathela kwe-epoxy resin coating, ingaphezulu le-substrate kufanele kuqala lingabi nokugqwala, lihlanzeke futhi lingabi namafutha. Ukuqinisekisa ikhwalithi yokugqoka, kubalulekile futhi ukuqeda ukuphazamiseka kokungcola kwemvelo ngesikhathi sokwakhiwa kwayo.
Ukulondolozwa nokuphepha kwemvelo
Nakuba lokhu kuyimpahla esebenza kakhulu, ukugcizelela kwabantu bekulokhu kugxile kakhulu ekuvikelweni kwemvelo nokuphepha kwayo. I-epoxy resin yendabuko ihlanganisa izinto ezincibilikisayo nezixube ezithile eziphilayo (VOCs), ngakho-ke ukusebenzisana kwesikhathi eside kungase kubangele izinkinga ezithile zempilo emzimbeni womuntu. Ngakho-ke, izinyathelo ezifanele zokuvikela kufanele zilandelwe kuyo yonke inqubo yokwakha yokumboza: ukugqoka imaski, amagilavu, nokugcina umoya omuhle kakhulu.
Njengoba ulwazi lwezemvelo lukhula eminyakeni yamuva, imikhiqizo eminingi ephansi ye-VOC epoxy resin yaqala ukubonakala. Lawa ma-epoxy resins anobungani bemvelo awalimazi ngandlela thile imvelo nomzimba womuntu futhi asiza ukwehlisa ukukhishwa kwezinhlanganisela eziyingozi. Ukukhetha ama-epoxy resins anobungani bemvelo akuhambisani nje nomkhuba wentuthuko esimeme kodwa futhi kusiza ukukhulisa ukuphepha kwendawo yokwakha.
I-epoxy resin isetshenziswe kakhulu emikhakheni ehlukahlukene njengento yokuvikela ukunamathela ngenxa yokunamathela kwayo okukhulu, ukumelana nokugqwala, ukumelana nokugqoka, nokumelana nokushisa. I-epoxy resin inezinzuzo ezikhethekile noma ngabe isendaweni yokuvikela ukugqwala, ukwelashwa okukhonkolo, ukuvikela izinkuni, noma kumazinga okushisa aphezulu kanye nendawo enomswakama ophezulu. Ukuqinisekisa umthelela kanye nokuqina kwesikhathi eside kwe-coating, noma kunjalo, kubalulekile ukucabangela izimo zokwakha kanye nenqubo yemvelo ye-epoxy resin.
Ifomula nokusebenza kwe-epoxy resin kuyanda ngokuqhubekayo njengoba isayensi nobuchwepheshe buthuthuka; ukwethulwa kobungani bemvelo i-epoxy resin yethule amathuba amasha okusetshenziswa. Izohlala ibalulekile endaweni yokuvikela ukunamathela ukuya phambili futhi inikeze izinto ezihlukahlukene eziqinile, ukuvikela okuhlala isikhathi eside.