1. Ma'anar roba foda modified bitumen
Rubber foda modified bitumen (bitumen Rubber, ake magana a kai a matsayin AR) wani sabon nau'i ne na high quality-comotant abu. Karkashin hadakar da manyan bitumen na zirga-zirgar ababen hawa, foda na roba da kuma hadawa, fodar roba tana shakar resins, hydrocarbons da sauran kwayoyin halitta a cikin bitumen, kuma ana samun wasu canje-canje na zahiri da sinadarai don danshi da fadada fodar roba. Danko yana ƙaruwa, wurin laushi yana ƙaruwa, kuma ana la'akari da danko, ƙarfi, da elasticity na roba da bitumen, don haka inganta aikin bitumen na roba.
"Rubber foda modified bitumen" yana nufin foda na robar da aka yi da tayoyin sharar gida, wanda aka saka a matsayin mai gyara ga bitumen tushe. Ana yin shi ta hanyar jerin ayyuka kamar babban zafin jiki, ƙari da haɗuwa da ƙarfi a cikin kayan aiki na musamman na musamman. m abu.
Ƙa'idar gyara na roba foda modified bitumen ne modified bitumen siminti abu kafa ta cikakken kumburi dauki tsakanin taya roba foda barbashi da matrix bitumen karkashin cikakken gauraye high-zazzabi yanayi. Rubber foda gyara bitumen ya inganta sosai aikin bitumen tushe, kuma ya fi gyare-gyaren bitumen da aka yi da kayan gyaran da aka saba amfani da su a halin yanzu kamar SBS, SBR, EVA, da dai sauransu. Bisa la'akari da kyakkyawan aiki da babban gudunmawa ga kare muhalli, wasu masana. annabta cewa roba foda modified bitumen ana sa ran maye gurbin SBS modified bitumen.
2. Halayen roba foda modified bitumen
Robar da ake amfani da ita don gyaran bitumen shine polymer na roba sosai. Ƙara vulcanized roba foda zuwa tushe bitumen zai iya cimma ko ma wuce irin tasirin da styrene-butadiene-styrene block copolymer modified bitumen. Halayen bitumen da aka gyara na roba sun haɗa da:
2.1. Shigar da shiga yana raguwa, wurin laushi yana ƙaruwa, kuma danko yana ƙaruwa, yana nuna cewa yanayin zafi mai zafi na bitumen ya inganta, kuma rutting da tura abubuwan da ke faruwa a hanya a lokacin rani suna inganta.
2.2. Ana rage yawan zafin jiki. Lokacin da zafin jiki ya yi ƙasa, bitumen yana raguwa, yana haifar da fashewar damuwa a cikin pavement; lokacin da zafin jiki ya yi yawa, titin ya yi laushi kuma ya lalace a ƙarƙashin tasirin motocin da ke ɗauke da shi. Bayan gyare-gyare tare da foda na roba, yanayin zafin jiki na bitumen yana inganta kuma yana inganta juriya. Matsakaicin danko na roba foda da aka gyara bitumen ya fi na tushen bitumen girma, yana nuna cewa bitumen da aka gyara yana da tsayin juriya ga nakasar kwarara.
2.3. An inganta aikin ƙananan zafin jiki. Rubber foda zai iya inganta ƙananan zafin jiki na bitumen da kuma ƙara sassaucin bitumen.
2.4. Ingantattun mannewa. Yayin da kaurin fim ɗin bitumen na roba da ke manne da saman dutsen yana ƙaruwa, za a iya inganta juriya na bitumen don lalata ruwa kuma ana iya tsawaita rayuwar hanya.
2.5. Rage gurbatar hayaniya.
2.6. Ƙara riko tsakanin tayoyin abin hawa da saman hanya kuma inganta amincin tuƙi.