Rubber foda modified bitumen (BitumenRubber, ake magana a kai a matsayin AR) wani sabon nau'i ne na high quality-comotant abu. Wani sabon nau'in nau'i ne mai inganci wanda aka yi da foda na roba da aka yi daga tayoyin sharar gida, wanda aka ƙara a matsayin mai gyara ga bitumen tushe. Ana yin shi ta hanyar jerin ayyuka irin su babban zafin jiki, ƙari da haɗuwa da ƙarfi a cikin kayan aiki na musamman na musamman. Kayan abu. Zai iya tsawaita rayuwar sabis na farfajiyar hanya, rage amo, rage girgiza, inganta yanayin zafi da fashewar thermal, da haɓaka juriya na icing. Karkashin hadadden aikin bitumen masu nauyi, foda na roba da kuma hadawa, fodar robar tana shakar resins, hydrocarbons da sauran kwayoyin halitta a cikin bitumen, kuma ana yin jerin canje-canje na zahiri da sinadarai don danshi da fadada foda na 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 daga tayoyin sharar gida, wanda aka saka a matsayin mai gyara ga bitumen tushe. Ana yin shi ta hanyar jerin ayyuka irin su 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 da aka gyara bitumen ya inganta aikin bitumen tushe sosai, kuma ya fi gyare-gyaren bitumen da aka yi da kayan gyaran da ake amfani da su a halin yanzu kamar SBS, SBR, EVA, da dai sauransu. Bisa la'akari da kyakkyawan aiki da babban gudunmawar kare muhalli, wasu masana. annabta cewa roba foda modified bitumen ana sa ran maye gurbin SBS modified bitumen.
amfani

Za a iya ƙara foda na roba a cikin bitumen wajen gina hanyoyi da hanyoyin mota. Wannan aikace-aikacen ba a farko an yi niyya ne a matsayin hanyar da za a iya amfani da tayoyin sharar gida ba, sai dai don inganta kayan bitumen zuwa matakin da ya dace da na bitumen mai inganci mai ɗauke da sabbin elastomer. Abubuwan da ake amfani da su na ƙara foda na roba zuwa bitumen sun haɗa da rage halayen hanya (musamman a wuraren sanyi), inganta tsayin daka, juriya na ruwa da kuma kwanciyar hankali na tsakuwa. Rubber-gyaran bitumen ya fi ɗorewa, yana dawwama matsakaicin shekaru bakwai fiye da gaurayawan bitumen na gargajiya.?
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 modifiedbitumen. Halayen bitumen da aka gyara na roba sun haɗa da:
1. Shigarwa yana raguwa, wurin laushi yana ƙaruwa, kuma danko yana ƙaruwa, yana nuna cewa yanayin zafi mai zafi na bitumen ya inganta, kuma yana iya inganta rutting da tura abubuwan da ke faruwa a kan hanya a lokacin tuki a lokacin rani.
2. An 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 zama mai laushi kuma yana lalacewa ƙarƙashin rinjayar 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.
3. Ana inganta aikin ƙananan zafin jiki. Rubber foda zai iya inganta ƙananan zafin jiki na bitumen da kuma ƙara sassaucin bitumen.
4. Ingantaccen 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.
5. Rage gurbatar hayaniya.
6. Ƙara riko tsakanin tayoyin abin hawa da saman hanya kuma inganta amincin tuki.
gazawa
Duk da haka, yin amfani da foda ta wannan hanyar yana ƙara tsadar bitumen, kuma ƙara foda a cikin bitumen yana sa cakuda bitumen ya fi wuyar sarrafawa (mai sauƙi) kuma yana ƙara lokacin aiki. Wani lokaci bitumen da ke dauke da babban foda na roba yana da sauƙin kama wuta yayin aikin narkewa, don haka ana bada shawarar cewa abun ciki na foda na roba a cikin bitumen da aka gyara ya kamata ya zama ƙasa da 10%.