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HPMC, ko hydroxypropyl methylcellulose, wani nau'in polymer ne mai amfani da yawa wanda aka samo daga cellulose, wani abu na halitta da ake samu a bangon ƙwayoyin halitta na tsirrai. Kayan da aka yi da HPMC sun sami kulawa sosai a fannoni daban-daban saboda keɓancewarsu ta musamman da kuma nau'ikan aikace-aikacensu iri-iri. Gabatarwa...Kara karantawa»
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1. Gabatarwa: A cikin tsarin magunguna, masu ɗaurewa suna taka muhimmiyar rawa wajen tabbatar da inganci da aikin siffofin allurai. Daga cikin tsarin ɗaurewa daban-daban da ake da su, Hydroxypropyl Methylcellulose (HPMC) ya yi fice a matsayin zaɓi mai amfani da yawa kuma ana amfani da shi sosai. 2. Kayayyakin Tsarin Binda na HPMC...Kara karantawa»
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Hydroxypropyl methylcellulose (HPMC) wani nau'in polymer ne da ake amfani da shi a fannoni daban-daban, ciki har da gini, magunguna, abinci, da kayan kwalliya. A fannin gini, HPMC tana taka muhimmiyar rawa a matsayin ƙari a cikin kayan da aka yi da siminti, musamman wajen inganta ƙarfin haɗin kai. 1. Int...Kara karantawa»
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MC shine methyl cellulose, wanda ake samu ta hanyar magance auduga mai tsafta da alkali, amfani da methyl chloride a matsayin wakili mai tsarkakewa, da kuma yin cellulose ether ta hanyar jerin halayen. Gabaɗaya, matakin maye gurbin shine 1.6~2.0, kuma narkewar shi ma ya bambanta da digiri daban-daban ...Kara karantawa»
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Mai samar da HPMC hydroxypropyl methyl cellulose mai samar da kayayyaki ga masana'anta, mai fitar da kayayyaki Menene babban amfanin HPMC? Ana iya raba HPMC zuwa: matakin gini, matakin abinci da matakin likita ta hanyar amfani. Ana amfani da HPMC sosai a kayan gini, shafi, resin roba, yumbu, magani, abinci, tex...Kara karantawa»
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Cellulose ether wani sinadari ne na polymer wanda ke da tsarin ether da aka yi da cellulose. Kowace zobe ta glucosyl a cikin macromolecule na cellulose ta ƙunshi ƙungiyoyin hydroxyl guda uku, ƙungiyar hydroxyl ta farko a kan atom na carbon na shida, ƙungiyar hydroxyl ta biyu a kan atom na carbon na biyu da na uku, da kuma hydrog...Kara karantawa»
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Cellulose ether zai tsawaita lokacin saita manna siminti ko ragar turmi, yana jinkirta motsin haƙo siminti, wanda ke da amfani don inganta lokacin aiki na kayan tushe na siminti, inganta daidaito da raguwar siminti bayan asarar, amma kuma yana iya jinkirta ci gaban ginin, musamman...Kara karantawa»
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Don amfani da turmi mai rigar, hydroxypropyl methylcellulose yana da kyawawan kaddarorin kauri, yana iya ƙara ƙarfin haɗin gwiwa tsakanin turmi mai rigar da kuma matakin tushe, kuma yana iya inganta aikin hana sag na turmi, don haka ana amfani da shi sosai wajen yin plastering Turmi, bango na waje ...Kara karantawa»
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Tasirin kauri na cellulose ether ya dogara ne akan: matakin polymerization na cellulose ether, yawan ruwan da ke cikinsa, saurin yankewa, zafin jiki da sauran yanayi. Siffar gelling na maganin ta kebanta da alkyl cellulose da abubuwan da aka gyara. Siffar gelation ɗin suna da...Kara karantawa»
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1. Zafin Ruwa Dangane da yanayin fitar da zafi na ruwa a kan lokaci, tsarin ruwa na siminti yawanci ana raba shi zuwa matakai biyar, wato, lokacin ruwa na farko (0~15min), lokacin shigarwa (15min~4h), lokacin hanzartawa da saitawa (4h~8h), raguwa ...Kara karantawa»
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A fannin amfani da kayan gini, hydroxypropyl methylcellulose wani ƙari ne da aka fi amfani da shi wajen gina kayan gini, kuma ana amfani da hydroxypropyl methylcellulose sosai a masana'antu kuma yana da nau'ikansa daban-daban. Ana iya raba Hydroxypropyl methylcellulose zuwa nau'in ruwan sanyi da narke mai zafi, kamar...Kara karantawa»
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A cikin turmi na siminti, turmi na siminti da kuma slurry mai tushen gypsum, HPMC hydroxypropyl methylcellulose ether galibi yana taka rawa wajen riƙe ruwa da kauri, kuma yana iya inganta mannewa da juriyar sagging na slurry yadda ya kamata. Abubuwa kamar zafin iska, zafin jiki da saurin matsin iska za su...Kara karantawa»