Putty wani abu ne da ake amfani da shi sosai wajen yin ado a gine-gine, kuma ingancinsa yana shafar rayuwar sabis da tasirin ado na rufin bango. Ƙarfin ɗaurewa da juriyar ruwa muhimman alamomi ne don tantance aikin putty.Foda mai latex mai sake wargazawa, a matsayin kayan da aka gyara na polymer na halitta, yana taka muhimmiyar rawa wajen inganta aikin putty.
1. Tsarin aikin foda mai narkewa na latex
Foda mai latex mai sake bushewa foda ne da aka samar ta hanyar feshi na feshi na polymer emulsion. Yana iya sake sake fitar da ruwa don samar da tsarin watsawa na polymer mai karko bayan ya taɓa ruwa, wanda ke taka rawa wajen haɓaka ƙarfin haɗin kai da sassaucin putty. Manyan ayyukansa sun haɗa da:
Inganta ƙarfin haɗin kai: Foda mai latex mai sake dawowa yana samar da fim ɗin polymer yayin busar da putty, kuma yana haɗuwa da kayan gelling marasa tsari don inganta ikon haɗin kai tsakanin fuskoki.
Inganta juriyar ruwa: Foda mai latex yana samar da hanyar sadarwa ta hydrophobic a cikin tsarin putty, yana rage shigar ruwa da inganta juriyar ruwa.
Inganta sassauci: Yana iya rage karyewar putty, inganta ƙarfin nakasa, da kuma rage haɗarin fasawa.
2. Nazarin gwaji
Kayan gwaji
Tushen abu: foda mai tushe na siminti
Foda mai sake wargazawa: foda mai copolymer na ethylene-vinyl acetate (EVA)
Sauran ƙarin abubuwa: mai kauri, wakilin riƙe ruwa, cikawa, da sauransu.
Hanyar gwaji
An shirya putties masu nau'ikan foda na latex daban-daban (0%, 2%, 5%, 8%, 10%) bi da bi, kuma an gwada ƙarfin haɗinsu da juriyar ruwa. An tantance ƙarfin haɗin ta hanyar gwajin fitar da ruwa, kuma an kimanta gwajin juriyar ruwa ta hanyar ƙimar riƙe ƙarfi bayan nutsewa cikin ruwa na tsawon awanni 24.
3. Sakamako da tattaunawa
Tasirin foda mai latex mai wargajewa akan ƙarfin haɗin kai
Sakamakon gwajin ya nuna cewa tare da ƙaruwar yawan RDP, ƙarfin haɗin putty yana nuna yanayin ƙaruwa da farko sannan daidaitawa.
Idan yawan RDP ya ƙaru daga 0% zuwa 5%, ƙarfin haɗin putty yana ƙaruwa sosai, saboda fim ɗin polymer da RDP ya samar yana ƙara ƙarfin haɗin tsakanin kayan tushe da putty.
Ci gaba da ƙara RDP zuwa fiye da 8%, ƙaruwar ƙarfin haɗin kai yakan zama ba tare da lanƙwasa ba, har ma yana raguwa kaɗan a 10%, wanda wataƙila saboda yawan RDP zai shafi tsarin tauri na putty kuma ya rage ƙarfin haɗin.
Tasirin foda mai latex mai sake wargajewa akan juriyar ruwa
Sakamakon gwajin juriyar ruwa ya nuna cewa adadin RDP yana da tasiri mai mahimmanci akan juriyar ruwa na putty.
Ƙarfin haɗin putty ba tare da RDP ya ragu sosai bayan an jiƙa shi cikin ruwa, wanda hakan ya nuna rashin juriyar ruwa.
Ƙara adadin RDP mai dacewa (5%-8%) yana sa putty ya zama tsari mai yawa na halitta-marasa-haɗaka, yana inganta juriyar ruwa, kuma yana inganta yawan riƙe ƙarfi bayan awanni 24 na nutsewa.
Duk da haka, idan abun cikin RDP ya wuce kashi 8%, inganta juriyar ruwa yana raguwa, wanda zai iya zama saboda yawan abubuwan da ke cikin halitta suna rage karfin hana ruwa shiga cikin putty.
Za a iya samun sakamako mai zuwa daga binciken gwaji:
Adadin da ya dacefoda mai latex mai sake wargazawa(5%-8%) na iya inganta ƙarfin haɗin kai da juriyar ruwa na putty sosai.
Yin amfani da RDP fiye da kima (>8%) na iya shafar tsarin tauri na putty, wanda ke haifar da raguwa ko ma raguwa a cikin ƙarfin haɗin gwiwa da juriyar ruwa.
Dole ne a inganta mafi kyawun sashi bisa ga takamaiman yanayin amfani da putty don cimma daidaito mafi kyau tsakanin aiki da farashi.
Lokacin Saƙo: Maris-26-2025