Yadda za a inganta riƙewar ruwa na hydroxypropyl methylcellulose

Hydroxypropyl methylcellulose shine abin da aka fi amfani dashi a cikin busassun turmi. Cellulose ether yana taka muhimmiyar rawa a busassun turmi foda. Bayan da ether cellulose a cikin turmi ya narkar da, aikin saman yana tabbatar da cewa kayan siminti shine Tsarin yana rarraba daidai yadda ya kamata, kuma cellulose ether, a matsayin colloid mai karewa, "nannade" barbashi mai ƙarfi da kuma samar da wani Layer na fim mai lubricating a kan waje. surface, yin turmi tsarin mafi karko da kuma inganta kwarara na turmi a lokacin hadawa tsari Properties da santsi na yi.

Hydroxypropyl methylcellulose HPMC yana da kyakkyawan riƙe ruwa, wanda zai iya hana danshi a cikin rigar turmi daga evaporating da wuri ko kuma shayar da shi ta hanyar tushe Layer, yana tabbatar da cewa simintin ya cika ruwa sosai, ta haka a ƙarshe yana tabbatar da kayan aikin injiniya na turmi, wanda ke da amfani musamman. to siriri yadudduka Turmi da absorbent tushe ko turmi shafa karkashin high zafin jiki da bushe yanayi. Sakamakon riƙewar ruwa na hydroxypropyl methylcellulose ether zai iya canza tsarin gine-gine na gargajiya da kuma inganta ci gaban ginin. Alal misali, ana iya yin aikin plastering a kan abubuwan da ke sha ruwa ba tare da rigar rigar ba.

Danko, sashi, yanayin yanayi da tsarin kwayoyin halitta na hydroxypropyl methylcellulose HPMC suna da babban tasiri akan aikin rikon ruwa. A karkashin yanayi guda, mafi girman danko na ether cellulose, mafi kyawun kiyaye ruwa; mafi girman sashi, mafi kyawun riƙewar ruwa. Yawancin lokaci, ƙaramin adadin ether na cellulose zai iya inganta haɓakar ruwa na turmi sosai. Lokacin da adadin ya kai wani lokaci Lokacin da digiri ya yi girma, yawan riƙewar ruwa yana ƙaruwa a hankali; lokacin da yanayin zafi ya tashi, yawan ruwa na ether cellulose yakan ragu, amma wasu ethers cellulose da aka gyara kuma suna da mafi kyawun kiyaye ruwa a ƙarƙashin yanayin zafi mai girma; cellulose tare da ƙananan digiri na maye gurbin Ether yana riƙe da ruwa mafi kyau.

Ƙungiyar hydroxyl a kan kwayoyin HPMC da oxygen atom akan ether bond za su haɗu da kwayoyin ruwa don samar da haɗin hydrogen, suna juya ruwan kyauta zuwa ruwa mai ɗaure, don haka yana taka rawa mai kyau a cikin ruwa; kwayoyin ruwa da cellulose Hanyoyin da ke tsakanin sassan kwayoyin ether suna ba da damar kwayoyin ruwa su shiga cikin ciki na manyan sassan cellulose ether kuma suna ƙarƙashin karfi mai karfi, don haka samar da ruwa mai kyauta da ruwa mai raɗaɗi, wanda ke inganta haɓakar ruwa na laka; ether cellulose yana inganta riƙon ruwa na gauraye sabo da ɓangarorin rheological, tsarin hanyar sadarwa mara ƙarfi da matsa lamba osmotic na man siminti ko abubuwan ƙirƙirar fim na ether cellulose suna hana yaduwar ruwa. Duk da haka, saboda rashin gamsuwa da aikin riƙewar ruwa na ether cellulose na yanzu, turmi yana da ƙarancin haɗin kai da rashin aikin gine-gine, kuma turmi yana da wuyar tsagewa, raguwa da fadowa bayan ginin.