Da zarar an ƙara kayan da aka yi da siminti da foda na latex, amsawar ruwa ta fara, kuma maganin calcium hydroxide ya isa ga jikewa da sauri kuma lu'ulu'u sun yi ta zuba, kuma a lokaci guda, ana samar da lu'ulu'u na ettringite da gels na calcium silicate hydrate. Ana ajiye ƙwayoyin da ke da ƙarfi a kan gel da ƙwayoyin siminti marasa ruwa. Yayin da amsawar ruwa ta ci gaba, kayayyakin ruwa suna ƙaruwa, kuma ƙwayoyin polymer suna taruwa a hankali a cikin ramukan capillary, suna samar da wani Layer mai yawa a saman gel ɗin da kuma kan ƙwayoyin siminti marasa ruwa.
Barbashin polymer da aka tara a hankali suna cika ramuka a hankali, amma ba gaba ɗaya zuwa saman ciki na ramuka ba. Yayin da ruwa ke ƙara raguwa ta hanyar ruwa ko bushewa, barbashin polymer da aka cika da gel da kuma cikin ramuka suna haɗuwa zuwa fim mai ci gaba, suna samar da cakuda mai shiga ciki tare da manna siminti mai ruwa da inganta ruwa Haɗa samfura da tarawa. Saboda samfuran ruwa da polymers suna samar da wani Layer mai rufewa a mahaɗin, yana iya shafar haɓakar lu'ulu'u na ettringite da ƙashi na calcium hydroxide; kuma saboda polymers suna taruwa cikin fina-finai a cikin ramukan yankin sauyawa na mahaɗin, kayan da aka samo daga simintin polymer Yankin sauyawa ya fi yawa. Ƙungiyoyin aiki a cikin wasu ƙwayoyin polymer za su kuma samar da halayen haɗin gwiwa tare da Ca2+ da A13+ a cikin samfuran ruwa na siminti don ƙirƙirar haɗin gwiwa na musamman, inganta tsarin zahiri na kayan da aka samo daga siminti mai tauri, rage damuwa na ciki, da rage samar da ƙananan fasa. Yayin da tsarin gel na siminti ke tasowa, ana cinye ruwan kuma ƙwayoyin polymer suna ɗaure a hankali a cikin ramuka. Yayin da simintin ke ƙara samun ruwa, danshi a cikin ramukan capillary yana raguwa, kuma ƙwayoyin polymer suna taruwa a saman gel/hadin barbashi na siminti mara ruwa da kuma tarin, ta haka ne suke samar da wani Layer mai cike da manyan ramuka Cike da barbashi masu mannewa ko masu mannewa.
Matsayin foda mai narkewa a cikin turmi yana da iko ta hanyar hanyoyi guda biyu na hydration na siminti da kuma samuwar fim ɗin polymer. Tsarin haɗakar hydration na siminti da ƙirƙirar fim ɗin polymer yana kammalawa cikin matakai 4:
(1) Bayan an haɗa foda mai latex da aka sake rarrabawa da turmi na siminti, ana watsa shi daidai gwargwado a cikin tsarin;
(2) Ana ajiye ƙwayoyin polymer a saman gel ɗin samfurin hydration na siminti/haɗin barbashi na siminti mara ruwa;
(3) Ƙwayoyin polymer suna samar da wani tsari mai ci gaba da ƙanƙanta;
(4) A lokacin aikin ruwan siminti, ƙwayoyin polymer da aka cika da su suna taruwa su zama fim mai ci gaba, suna haɗa kayayyakin ruwan tare don samar da cikakken tsarin hanyar sadarwa.
Ruwan da aka watsa na foda mai narkewar latex zai iya samar da fim mai ci gaba da narkewar ruwa (jikin hanyar sadarwa ta polymer) bayan bushewa, kuma wannan jikin hanyar sadarwa ta polymer mai ƙarancin roba zai iya inganta aikin siminti; a lokaci guda, a cikin ƙwayar polymer Wasu ƙungiyoyin polar a cikin siminti suna amsawa ta hanyar sinadarai tare da samfuran tsaftacewar siminti don samar da gadoji na musamman, inganta tsarin zahiri na samfuran tsaftacewar siminti, da rage da rage samar da tsagewa. Bayan an ƙara foda mai narkewar latex, ƙimar bushewar siminti ta farko tana raguwa, kuma fim ɗin polymer zai iya naɗe barbashin siminti na ɗan lokaci ko gaba ɗaya, don a iya shayar da simintin gaba ɗaya kuma a inganta halayensa daban-daban.
Foda mai latex mai sake lalacewa tana taka muhimmiyar rawa a matsayin ƙari ga turmi na gini. Ƙara foda mai sake lalacewa a cikin turmi na iya shirya samfuran turmi daban-daban kamar manne na tayal, turmi mai hana zafi, turmi mai daidaita kansa, putty, turmi mai laushi, turmi na ado, wakilin haɗin gwiwa, turmi na gyara da kayan rufewa mai hana ruwa, da sauransu. Ikon amfani da aikin turmi na gini. Tabbas, akwai matsalolin daidaitawa tsakanin foda mai sake lalacewa da siminti, kayan haɗin da kayan haɗin, waɗanda ya kamata a ba su isasshen kulawa a takamaiman aikace-aikace.
Lokacin Saƙo: Maris-14-2023