Hydroxypropyl methyl cellulose a bushe turmi, cellulose ether Bugu da kari ne sosai low, amma iya muhimmanci inganta yi na rigar turmi, turmi yi yi na daya daga cikin manyan Additives.Yanzu, hydroxypropyl methyl cellulose da ake amfani dashi a busassun turmi cellulose ether shine yafi hydroxypropyl methyl cellulose ether (HPMC).Hydroxypropyl methyl cellulose a busassun turmi HPMC yafi taka rawa a cikin ruwa riƙewa, thickening, inganta yi na yi.Hydroxypropyl methylcellulose HPMC baya shiga cikin kowane nau'in sinadarai, kawai yana taka rawar taimako.Ruwan da aka saka a jikin bango, ana samun sinadarin sinadaran ne, domin akwai samar da sabon abu, powder a jikin bangon da ke gangarowa daga bangon, a nika shi da foda, sannan a yi amfani da shi, ba a yanzu, domin ya samu sabon abu (calcium carbonate).Babban abubuwan da ke cikin foda mai launin toka sune: Ca (OH) 2, CaO da ƙaramin adadin CaCO3 cakuda, CaO + H2O = Ca (OH) 2 - Ca (OH) 2 + CO2 = CaCO3↓ + H2O calcium ash a cikin ruwa da kuma iska a karkashin mataki na CO2, samuwar alli carbonate, da kuma HPMC kawai ruwa riƙewa, karin calcium ash mafi alhẽri dauki, da kansa bai shiga wani dauki.
High quality na hydroxypropyl methyl cellulose iya uniformly da kuma yadda ya kamata tarwatsa a cikin siminti turmi da plaster kayayyakin, da kuma kunshin duk m barbashi, da kuma samar da wani Layer na wetting fim, da danshi a cikin tushe na dogon lokaci sannu a hankali saki, kuma inorganic cementitious abu hydration dauki. , don tabbatar da ƙarfin haɗin gwiwa da ƙarfin matsawa na kayan.Sabili da haka, a cikin ginin zafi mai zafi na lokacin rani, don cimma tasirin riƙewar ruwa, buƙatar ƙara samfuran HPMC masu inganci daidai da dabara, in ba haka ba, za a yi bushewa da sauri kuma ya haifar da rashin isasshen ruwa, raguwar ƙarfi, fashewa, fanko. ganguna da faɗuwa da sauran matsalolin inganci, amma kuma suna ƙara wahalar gina ma'aikata.Yayin da zafin jiki ya ragu, adadin ruwan da HPMC ke karawa zai iya raguwa a hankali, kuma ana iya samun irin wannan tasirin ruwa.
Lokacin aikawa: Satumba-16-2022