A cikin busassun turmi, ether cellulose shine babban ƙari wanda zai iya inganta aikin rigar turmi sosai kuma yana tasiri aikin ginin turmi.Methyl cellulose ether yana taka rawar riƙewar ruwa, kauri, da haɓaka aikin gini.Kyakkyawan aikin riƙewar ruwa yana tabbatar da cewa turmi ba zai haifar da yashi, foda da raguwar ƙarfi ba saboda ƙarancin ruwa da ƙarancin ciminti hydration;thickening sakamako The tsarin ƙarfi da rigar turmi yana ƙaruwa sosai, kuma ƙari na methyl cellulose ether zai iya inganta rigar danko na rigar turmi, kuma yana da kyau adhesion zuwa daban-daban substrates, game da shi inganta aikin rigar turmi a bango. da rage sharar gida;Bugu da ƙari, daban-daban Matsayin cellulose a cikin samfurori kuma ya bambanta, misali: cellulose a cikin tile adhesives zai iya ƙara lokacin buɗewa kuma daidaita lokaci;cellulose a cikin inji spraying turmi iya inganta tsarin ƙarfin rigar turmi;a matakin kai, cellulose yana taka rawa wajen hana sasantawa, rarrabuwa da rarrabuwa.
Samar da ether cellulose yafi sanya na halitta zaruruwa ta hanyar alkali rushewa, grafting dauki (etherification), wanka, bushewa, nika da sauran matakai.Ana iya raba babban kayan albarkatun kasa na fiber na halitta zuwa: fiber auduga, fiber cedar, fiber beech, da dai sauransu. Matsayin su na polymerization ya bambanta, wanda zai shafi danko na ƙarshe na samfuran su.A halin yanzu, manyan masana'antun cellulose suna amfani da fiber auduga (samfurin nitrocellulose) a matsayin babban albarkatun kasa.Ana iya raba ethers na cellulose zuwa ionic da wadanda ba ionic ba.Nau'in ionic galibi ya haɗa da gishirin carboxymethyl cellulose, kuma nau'in da ba na ionic ya haɗa da methyl cellulose, methyl hydroxyethyl (propyl) cellulose, da hydroxyethyl cellulose.Su da sauransu.A busassun turmi foda, saboda ionic cellulose (carboxymethyl cellulose gishiri) ne m a gaban alli ions, shi ne da wuya a yi amfani da busassun foda kayayyakin kamar suminti slaked lemun tsami kamar siminti kayan.
Riƙewar ruwa na cellulose shima yana da alaƙa da yanayin zafin da ake amfani dashi.Riƙewar ruwa na methyl cellulose ether yana raguwa tare da karuwar zafin jiki.Alal misali, a lokacin rani, lokacin da akwai hasken rana, an yi amfani da bangon bango na waje, wanda sau da yawa yana hanzarta maganin siminti da turmi.Ƙarfafawa da raguwar ƙimar riƙewar ruwa yana haifar da jin daɗin da ake ji cewa duka aikin gine-gine da aikin hana fasa-kwauri sun shafi.A wannan yanayin, yana da mahimmanci musamman don rage tasirin abubuwan zafin jiki.Wani lokaci ba zai iya biyan bukatun amfani ba.Ana yin wasu jiyya a kan cellulose, irin su ƙara yawan digiri na etherification, da dai sauransu, don haka tasirin riƙewar ruwa zai iya ci gaba da tasiri mafi kyau a yanayin zafi mafi girma.
Riƙewar ruwa na cellulose: Babban abubuwan da ke shafar riƙon ruwa na turmi sun haɗa da adadin adadin cellulose da aka ƙara, dankowar cellulose, fineness na cellulose, da zafin jiki na yanayin aiki.
Dankowar cellulose: Gabaɗaya magana, mafi girman danko, mafi kyawun tasirin riƙewar ruwa, amma mafi girman danko, mafi girman nauyin kwayoyin halitta na cellulose, da raguwar daidaitaccen narkewar sa, wanda ke da mummunan tasiri akan aikin ginin. da karfin turmi .Mafi girma da danko, mafi bayyananne tasirin thickening akan turmi, amma ba daidai ba ne kai tsaye.Mafi girman danko, da ƙarin danko turmi zai kasance.A lokacin ginawa, zai tsaya a kan scraper kuma yana da babban mannewa ga substrate, amma ba zai taimaka da yawa don ƙara ƙarfin tsarin tsarin turmi da kanta ba, kuma aikin anti-sag ba zai kasance a fili ba yayin ginawa.
Rashin lafiyar cellulose: Ƙarfafawa yana rinjayar solubility na ether cellulose.M cellulose yawanci granular da sauƙi tarwatsa a cikin ruwa ba tare da agglomeration, amma narkar da kudi ne sosai a hankali.Bai dace da amfani da busassun turmi foda ba.A cikin gida da aka samar Wasu daga cikin cellulose suna flocculent, ba shi da sauƙin tarwatsawa da narke cikin ruwa, kuma yana da sauƙin haɓakawa.Kyakkyawan isasshen foda kawai zai iya guje wa methyl cellulose ether agglomeration lokacin ƙara ruwa da motsawa.Amma ether cellulose mai kauri ba kawai ɓarna ba ne amma yana rage ƙarfin gida na turmi.Lokacin da aka gina irin wannan busasshiyar turmi a cikin wani babban yanki, saurin warkarwa na turmi na gida yana raguwa a fili, kuma fashewa saboda lokutan warkewa daban-daban yana bayyana.Saboda ɗan gajeren lokacin haɗuwa, turmi tare da aikin injiniya yana buƙatar mafi girma fineness.
Lokacin aikawa: Fabrairu-13-2023