Hydroxypropylmethylcellulose (HPMC) yana samun karbuwa a masana'antar gine-gine saboda kyawawan kaddarorinsa na riƙe ruwa.HPMC shine ether maras ionic, mai narkewa da ruwa, wanda ake amfani dashi sosai a masana'antu daban-daban.A cikin gine-gine, yawanci ana amfani da shi azaman mai kauri, ɗaure da mai riƙe ruwa a cikin kayan siminti da turmi.Har ila yau, ingancin HPMC yana da wani tasiri a kan aikin kiyaye ruwa, wanda za mu bincika a cikin wannan labarin.
Na farko, yana da mahimmanci a fahimci menene HPMC da yadda yake aiki.HPMC wani abu ne na cellulose, polymer na halitta wanda aka samo daga itace da filaye na shuka.Ana samar da HPMC ta hanyar canza sinadarai na cellulose tare da propylene oxide da methyl chloride, wanda ke ƙara ƙungiyoyin hydroxypropyl da methyl zuwa kwayoyin cellulose.Waɗannan gyare-gyare suna sa HPMC ta fi narkewa a cikin ruwa kuma suna ba shi takamaiman kaddarorin kamar kauri, emulsification da riƙon ruwa.
Abubuwan riƙe ruwa na HPMC suna da mahimmanci musamman a cikin masana'antar gini, inda sarrafa danshi ke da mahimmanci.Lokacin da aka ƙara HPMC zuwa kayan siminti ko turmi, yana samar da fim a kusa da barbashi na siminti, yana rage shigar ruwa.Fim ɗin kuma yana taimakawa rage ƙawancen ruwa daga haɗuwa, yana ba da simintin ƙarin lokaci don yin ruwa.A sakamakon haka, kayan siminti da turmi sun kasance cikin rigar na dogon lokaci, yana ba su damar yin magani yadda ya kamata kuma su sami iyakar ƙarfi.
Lalacewar HPMC tana taka muhimmiyar rawa a aikin riƙon ruwa.Gabaɗaya magana, mafi kyawun ƙwayoyin HPMC, mafi kyawun ƙarfin riƙe ruwa.Wannan shi ne saboda ƙananan ƙwayoyin cuta suna da filin da ya fi girma, wanda ke ba su damar samar da fim mafi girma a kusa da sassan siminti.Fim ɗin yana taimakawa wajen haifar da shinge tsakanin siminti da ruwa, yana rage jinkirin shigar da ruwa a cikin haɗuwa.A sakamakon haka, cakuda ya daɗe yana daɗe, yana ba da ƙarin lokaci don siminti ya yi ruwa kuma turmi ya warke.
Amma yana da mahimmanci a lura cewa ingancin HPMC bai kamata ya zama abin la'akari kawai lokacin zabar wakili mai riƙe da ruwa ba.Sauran abubuwa kamar nau'in siminti, rabon siminti na ruwa, zafin jiki da zafi kuma suna shafar kaddarorin riƙe ruwa na HPMC.Don haka, yana da mahimmanci don zaɓar samfurin HPMC wanda ya dace da takamaiman aikace-aikacen da yanayin amfani.
A taƙaice, akwai fa'idodi da yawa don amfani da HPMC azaman wakili mai riƙe ruwa a cikin kayan siminti da turmi.Abubuwan da ke riƙe da ruwa suna tabbatar da cewa cakuda ya kasance cikin jika na tsawon lokaci, yana ba da ƙarin lokaci don ciminti ya yi ruwa da turmi ya warke.The fineness na HPMC ne mai muhimmanci factor shafi ta ruwa riƙe iya aiki, da finer da barbashi, da mafi alhẽri yi.Koyaya, wasu dalilai kamar nau'in siminti, rabon siminti na ruwa, zafin jiki da zafi kuma yakamata a yi la'akari da lokacin zabar samfurin HPMC.Gabaɗaya, yin amfani da HPMC hanya ce mai kyau don haɓaka aiki da tsawon rayuwar kayan siminti da turmi a cikin masana'antar gini.
Lokacin aikawa: Agusta-16-2023