M polymer foda da sauran adannin rashin daidaito (kamar ciminti, yumbu da sauran ƙari, polysaccharide (sitecharide (fiber fiber, da sauransu), da sauransu gauraye don yin bushewar ciyawa. Lokacin da bushewar foda yana ƙara zuwa ruwa da motsa jiki, a ƙarƙashin aikin kariyar kayan girki, wanda ya isa ya sanya foda na marigayi. Abubuwan da ke ciki na foda na roba ya bambanta, wanda ke da tasiri ga Rheology na turmi da kuma nau'ikan kayan gini: dangantaka ta marigen maris foda bayan watsawa, sakamako akan A sararin sama na turmi da kuma rarraba kumfa, hulɗa tsakanin roba da sauran ƙari suna yin abubuwa daban-daban na ƙara yawan yin amfani da shi, da ƙara jijiyoyi.
An yi imani gabaɗaya cewa injin da ƙarshen LateX foda ya inganta aikin ɗan crewry kuma yana ƙara dangantakar da slurry kuma yana inganta haɗin gwiwar da turmi tururuwa.
Bayan sabon turzaka mai dauke da marigayi foda watsawa da aka kafa, tare da sha watsuwar ta hanyar tushe, ruwa na hydrilization, barbashi sannu-sannu a hankali, da ke tafiyar da hankali. , kuma resin a hankali fis tare da juna. A ƙarshe polymermermisized a cikin fim. Tsarin fim na polymermer ya kasu kashi uku. A cikin mataki na farko, da polymer barbashi motsawa da yardar kaina a cikin nau'in motsi mai launin ruwan kasa a farkon emulsion. Kamar yadda ruwan ya bushe, motsi na barbashi yana da kyau sosai kuma mafi ƙarfafawa, da tashin hankalin hade tsakanin ruwa da iska yana sa su a hankali tare. A mataki na biyu, lokacin da barbashi suka fara tuntuɓar juna, ruwa a cikin hanyar sadarwar ta shuɗe ta hanyar tashin hankali na sa lalata da marigayin da suke haifar da su fice tare, kuma Ragowar ruwa ya cika pores, kuma fim ɗin yana daɗaɗa. Mataki na uku da na ƙarshe yana ba da damar yaduwar (wani lokacin da ake kira m kwayoyin da aka yi wa polymer don samar da fim ɗin ci gaba da gaske. Yayin kirkirar fim, ana amfani da barbashin Mawakan Mawaɗun ƙasa a cikin wani sabon lokacin fim mai rauni tare da matsanancin damuwa. Babu shakka, domin tashin hankali polymer foda don samun damar samar da fim a cikin turɓayar ƙwayar cuta, dole ne a tabbatar da ƙarancin zafin jiki (Mft) dole ne a ba da tabbacin zama ƙasa da zazzabi na turmi.
Colloids - barasa polyvinyl dole ne a rabu da tsarin membrane tsarin polymer. Wannan ba matsala ba ne a cikin tsarin turɓaɓɓen ciminti, saboda giyar polyvinyl za a saƙa da cocin ma'adini za su raba polyvinyl barasa daga tsarin, ba tare da kariya ta hydrophiliic ba . , Fim ɗin da aka kafa ta hanyar watsawa marigayi marigayi foda, wanda yake insolble cikin ruwa, amma a cikin yanayin bushe kawai. Tabbas, a cikin tsarin da ba alkaline ba, kamar su na gypsum ko tsarin da kawai fillers har yanzu sun haɗu da ruwa na ƙarshe, lokacin da aka yi amfani da tsarin don ruwa na dogon lokaci Tsaftacewa, da kuma polymer har yanzu yana da halayen kayan aikinta, wanda za'a iya amfani dashi a cikin waɗannan tsarin.
Tare da samar da kayan polymer na ƙarshe na fim ɗin polymer, tsarin da ya ƙunshi Inorganic da Orders Binderic da wuya an kafa shi a cikin rata da m farfajiya. Cibiyar Maɗaukaki. Strensionarfafa masu tensile da kuma haɗin gwiwar polymer resin fim kafa ta hanyar marigayi foda yana inganta. Saboda sassauci na polymer, ƙarancin ƙarfin yana da girma fiye da madaidaiciyar tsarin dutse, don haka inganta damuwa ya inganta, don ta inganta damuwa da juriya na turmi .
Tare da karuwar abubuwan da ke cikin polymer foda, gaba daya tsarin yana haifar da filastik. A cikin yanayin babban abun ciki na maris foda, lokaci na polymer a cikin turɓayar ƙwayar cuta ya wuce tsarin samfuri mai kyau kuma ya zama samfurin hyorgica na ciminti zai zama "mai filler" ". Stringarfin tenerile, elalationzi, sassauci da kuma rufe kaddarorin turfar da aka gyara tare da m foda an inganta. Haɗin polymer mai rikitarwa yana ba da fim ɗin polymer (fim ɗin Lawex) don ƙirƙirar kuma samar da wani ɓangare na pore bango na turmi. Merb membrane yana da injin da ke shimfiɗar kanshi wanda ya shafi tashin hankali ga angar ta da turmi. Ta hanyar waɗannan sojojin na ciki, an riƙe turɓuduku gaba ɗaya, ta yadda ya ƙara ƙarfin ƙarfin turmi. Kasancewar m da m polymers inganta sassauci da elasticity na turmi. Hanyar karuwa cikin damuwa mai zurfi da kuma karfin da aka samu kamar haka: Lokacin da aka yi amfani da karfi, microcracks da aka jinkirta saboda ci gaba a cikin yanci. Bugu da kari, da yankin polymer na Interwoven kuma yana hana haduwa da microcracks zuwa cikin-fasa. Sabili da haka, m polymer foda yana ƙaruwa da gazawar damuwa da kuma faɗuwar ƙasa na kayan.
Fim na polymer a cikin turɓayar polymer mai mahimmanci yana da tasiri sosai a kan taurarin turmin. Rarraba polymer mai rikitarwa a kan mai nuna alamar wasa wani mahimmin rawa bayan an tarwatsa shi kuma ya kafa m fim ɗin a lamba. A cikin microstructure na yankin da ke tsakanin foda a cikin polder polymer-gyara cering tayal tayal tare da ƙarancin ruwa da matrix mai tursasawa. Yankin lambar tsakanin kayan dissimilar biyu shine babban hadari na musamman inda girgizar tokar ta haifar da asarar adhesion. Saboda haka, iyawar fina-finai na Latex don warkar da fasahar shroinkage tana taka muhimmiyar rawa a adon adhere add.
At the same time, the redispersible polymer powder containing ethylene has more prominent adhesion to organic substrates, especially similar materials, such as polyvinyl chloride and polystyrene. Kyakkyawan misali na
Lokaci: Oct-31-2022