Hydroxyethyl cellulose (HEC) ndi chowonjezera chofunikira kwambiri chomwe chimagwira ntchito yofunika kwambiri popopera utoto wa phula wosalowa madzi womwe umayikidwa mwachangu. Ntchito zake zazikulu zimaphatikizapo kukhuthala, kusunga madzi, kusintha kwa rheology ndi kukhazikika kwa kuyimitsidwa.
1. Kukhuthala kwa mphamvu
Monga chokhuthala chosakhala cha ionic, hydroxyethyl cellulose imatha kuonjezera kwambiri kukhuthala kwa zokutira za mphira zothira madzi zomwe zimayikidwa mwachangu. Chifukwa cha mawonekedwe ake apadera a kukhuthala, HEC imatha kukulitsa kukhuthala kwa kapangidwe ka zokutira kuti ikhalebe yofanana panthawi yomanga. Ntchitoyi ndi yofunika kwambiri popangira kupopera, chifukwa kukhuthala koyenera kumathandiza utoto kugawidwa mofanana, kuchepetsa kutsika, ndikuwonetsetsa kuti makulidwe a zokutira ndi ofanana, motero zimapangitsa kuti madzi azigwira ntchito bwino.
2. Kusunga madzi
HEC ili ndi malo abwino kwambiri osungira madzi, zomwe ndizofunikira kwambiri pakuphimba pogwiritsa ntchito madzi. Mu zokutira za mphira za asphalt zosalowa madzi zomwe zimapakidwa ndi spray-coated quick-setting, HEC imatha kuchepetsa kuchuluka kwa madzi omwe amatuluka mu pulasitiki posunga chinyezi. Izi sizimangothandiza kusunga chinyezi cha pulasitiki panthawi yomanga ndikuletsa pulasitiki kuti isaume chifukwa cha kutaya madzi mwachangu, komanso zimathandiza kuti pulasitikiyo ilowe mkati mwake ndikuwonjezera kumamatira ku substrate, motero kumawonjezera magwiridwe antchito a pulasitiki yoteteza madzi.
3. Kusintha kwa Rheology
Rheology imatanthauza makhalidwe a utoto pansi pa mphamvu zakunja. HEC imagwira ntchito ngati chosinthira rheology popopera phula la mphira losalowa madzi mwachangu, lomwe lingathe kusintha momwe rheological imagwirira ntchito kuti iwonetse kukhuthala kwakukulu pamlingo wotsika wodula komanso kukhuthala kwakukulu pamlingo wapamwamba wodula. Kukhuthala kochepa. Khalidwe lochepetsa rheological limeneli limathandiza pampu ya utoto ndi kupopera mu zida zopopera ndipo limabwerera mwachangu ku kukhuthala kwakukulu mukatha kugwiritsa ntchito, motero kuchepetsa kutuluka kwa utoto ndikuwonetsetsa kuti chophimbacho chikhale chosalala komanso chofanana.
4. Kuyimitsidwa ndi kukhazikika kwa mphamvu
Popopera utoto wosalowa madzi wa phula la mphira mwachangu, tinthu tating'onoting'ono tosiyanasiyana, monga tinthu ta raba, zodzaza, ndi zina zotero, tingathe kukhazikika mu utoto chifukwa cha kusiyana kwa kuchulukana. Mwa kupanga kapangidwe ka netiweki yokhuthala kwambiri, HEC imatha kuyimitsa bwino tinthu tating'onoting'ono tomwe timakhala tolimba ndikuletsa kuti tisakhazikike panthawi yosungira ndi kumanga. Kukhazikika kwa utotowu kumathandiza kusunga kufanana kwa utoto ndikuwonetsetsa kuti utoto wopopera uli ndi kapangidwe kofanana, motero kupanga wosanjikiza wosalowa madzi wofanana pambuyo pokonza ndikuwongolera mphamvu yoteteza madzi.
5. Kupititsa patsogolo ntchito yomanga
Ntchito zambiri za HEC zimatha kusintha kwambiri momwe ntchito yomangira imagwirira ntchito popopera utoto wa phula wosalowa madzi mwachangu. Choyamba, mphamvu ya HEC yokhuthala komanso ntchito yosinthira rheology zimapangitsa utoto kukhala wosavuta kugwiritsa ntchito popopera utoto, kukhala wosavuta kugwiritsa ntchito ndikupanga utoto wosalala. Kachiwiri, kusunga madzi kumathandiza kuti utoto ukhale wolimba ku substrate ndikuchepetsa zolakwika zophimba zomwe zimachitika chifukwa cha kusweka kouma. Kuphatikiza apo, mphamvu yokhazikika ya HEC imatha kusunga kusinthasintha kwa zosakaniza zophimba utoto, motero kuonetsetsa kuti utotowo umakhala wolimba pambuyo pomanga ndikuwonjezera moyo wa utotowo.
Kugwiritsa ntchito hydroxyethyl cellulose popopera utoto wa asphalt wokhazikika mwachangu kumathandiza kwambiri pazinthu zambiri. Sikuti kungowonjezera kukhuthala kwa utoto ndikuwonjezera kusunga madzi, komanso kusintha mawonekedwe a utoto, kukhazikika kwa tinthu tolimba mu utoto, ndikukweza magwiridwe antchito omanga. Zotsatirazi zimatsimikizira kuti utoto umagwira ntchito bwino komanso kulimba kwa utoto pogwiritsa ntchito njira zogwirira ntchito, zomwe zimapangitsa kuti hydroxyethyl cellulose ikhale yowonjezera yofunika kwambiri popopera utoto wa asphalt wokhazikika mwachangu. Mwa kusankha moyenera ndikugwiritsa ntchito HEC, magwiridwe antchito onse a utoto wosalowa madzi amatha kusinthidwa kwambiri, motero amapereka yankho lodalirika kwambiri loletsa madzi kulowa m'nyumba.
Nthawi yotumizira: Julayi-08-2024