I-Hydroxyethyl cellulose (HEC) iyisengezo esibalulekile esisebenza ngezindlela eziningi esidlala indima ebalulekile ekufutheni izimbotshana zenjoloba ezibeka ngokushesha ze-asphalt ezingangeni manzi. Imisebenzi yayo eyinhloko ihlanganisa ukuqina, ukugcinwa kwamanzi, ukulungiswa kwe-rheology kanye nokuqiniswa kokumiswa.
1. Ukuqina komphumela
Njenge-thickener engeyona i-ionic, i-hydroxyethyl cellulose ingakhuphula ngokuphawulekayo i-viscosity yezimbobo zenjoloba ezifafazwayo ezimiswa ngokushesha ze-asphalt ezingangeni manzi. Ngenxa yezici zayo eziyingqayizivele ze-viscosity ephezulu, i-HEC ingakwazi ukwandisa ngokuphumelelayo i-viscosity yesakhiwo se-coating ukuze ikwazi ukugcina ukuvumelana okufanele ngesikhathi senqubo yokwakha. Lo msebenzi ubaluleke kakhulu ekwakhiweni kokufafaza, ngoba i-viscosity efanelekile isiza upende ukuthi usatshalaliswe ngokulinganayo, unciphise ukuhlehla, futhi uqinisekise ukuhambisana kokuqina kokumboza, ngaleyo ndlela kuzuzwe imiphumela emihle kakhulu yokuvimbela amanzi.
2. Umphumela wokugcina amanzi
I-HEC inokugcinwa kwamanzi okuhle kakhulu, okubaluleke kakhulu kuma-coatings asekelwe emanzini. Ezimbotsheni zenjoloba ezinesethi esheshayo ezifakwe isifutho ezingangeni manzi, i-HEC inganciphisa izinga lokuhwamuka kwamanzi endishini ngokugcina umswakama. Lesi sici asisizi nje kuphela ukugcina isimo esimanzi se-coating ngesikhathi sokwakhiwa futhi sivimbele ukunamathela ekumisweni ngenxa yokulahlekelwa kwamanzi ngokushesha, kodwa futhi sikhuthaza ukungena kwe-coating ku-substrate futhi sithuthukise ukunamathela ku-substrate, ngaleyo ndlela sithuthukise Ukusebenza okuphelele kwesendlalelo sokuvimbela amanzi.
3. Ukulungiswa kwe-Rheology
I-Rheology ibhekisela ezicini zokugeleza zopende ngaphansi kwesenzo samandla angaphandle. I-HEC isebenza njengesiguquli se-rheology ngokufafaza i-asphalt ye-asphalt engenamanzi yokubeka ngokushesha i-rubber engangeni manzi, engalungisa ukuziphatha kwe-rheological ye-coating ukuze ibonise i-viscosity ephakeme ngamanani aphansi e-shear kanye ne-viscosity ephakeme emazingeni aphezulu okugunda. I-viscosity ephansi. Lokhu kuziphatha kwe-rheological okusika i-shear-thinning kusiza iphampu kapende kanye nesifutho emishinini yokufutha futhi ibuyele ngokushesha ku-viscosity ephakeme ngemva kokufaka isicelo, ngaleyo ndlela yehlise ukopha kukapende futhi iqinisekise ukushelela nokufana kwe-coating. .
4. Ukumiswa kanye nomphumela wokuzinzisa
Ekufafazeni i-asphalt ye-asphalt ye-asphalt ye-rubber esheshayo yokusetha i-coating engangeni manzi, izinhlayiya ezihlukahlukene eziqinile, njengezinhlayiya zenjoloba, izigcwalisi, njll., zingase zihlale embotsheni ngenxa yokuhluka kobuningi. Ngokwenza isakhiwo senethiwekhi ye-viscosity ephezulu, i-HEC ingakwazi ukumisa ngokuphumelelayo lezi zinhlayiya eziqinile futhi zivimbele ukuthi zingahlali ngesikhathi sokugcina nokwakhiwa. Lokhu kuqiniswa kokumiswa kusiza ukugcina ukufana kopende futhi kuqinisekisa ukuthi upende ofuthiwe unokwakheka okungaguquki, ngaleyo ndlela kwakheka isendlalelo esilinganayo esingangeni manzi ngemva kokuphulukisa nokuthuthukisa umphumela wokuvimbela amanzi.
5. Ukwenziwa ngcono komsebenzi wokwakha
Imisebenzi eminingi ye-HEC ingathuthukisa kakhulu ukusebenza kokwakhiwa kokufafaza i-asphalt ye-asphalt engangeni manzi yokubeka ngokushesha okokuhlanganisa. Okokuqala, umphumela wokuqina we-HEC kanye nomsebenzi wokulungiswa kwe-rheology kwenza upende ube nokusebenza okuhle ngesikhathi sokwakhiwa kwesifutho, ukusebenziseka kalula futhi kwakha ukunamathela okubushelelezi. Okwesibili, ukugcinwa kwayo kwamanzi kusiza ukuthuthukisa ukunamathela kopende ku-substrate futhi kunciphisa amaphutha okugcoba okubangelwa ukuqhekeka okomile. Ukwengeza, umphumela wokumisa ukumiswa kwe-HEC ungagcina ukuvumelana kwezithako zokugqoka, ngaleyo ndlela kuqinisekiswe izindawo ezizinzile zomzimba zokugqoka emva kokwakhiwa nokwandisa impilo yesevisi yokugqoka.
Ukusetshenziswa kwe-hydroxyethyl cellulose ekufafazeni i-asphalt ye-asphalt ye-asphalt engangeni manzi yokubeka ngokushesha ifaka indima ebalulekile ezicini eziningi. Akugcini nje ukwandisa i-viscosity kapende futhi kuthuthukise ukugcinwa kwamanzi, kodwa futhi ulungisa izakhiwo ze-rheological zopende, uzinzise izinhlayiya eziqinile kupende, futhi uthuthukise ukusebenza kokwakhiwa. Le miphumela ngokuhlanganyela iqinisekisa ukusebenza kanye nokuqina kwentokozo ekusetshenzisweni okungokoqobo, okwenza i-hydroxyethyl cellulose ibe isithasiselo esibalulekile ekufutheni i-asphalt ye-asphalt ye-asphalt engangeni manzi. Ngokukhetha okunengqondo nokusetshenziswa kwe-HEC, ukusebenza okuphelele kwezingubo zokuvikela amanzi kungathuthukiswa kakhulu, ngaleyo ndlela kunikeze isisombululo esinokwethenjelwa kakhulu sokwakha ukuvikela amanzi.
Isikhathi sokuthumela: Jul-08-2024