Yanzu da akwai ƙarin kasuwanni na hydroxypropyl carboxymethyl cellulose kuma farashin ba su daidaita ba, yadda za a iya sauƙaƙe da sauri ƙayyade ingancin hydroxypropyl carboxymethyl cellulose ya zama muhimmin batu!Don haka ta yaya za a yi hukunci da ingancin hydroxypropyl methylcellulose?Abu na farko da za a duba shine farin hydroxypropyl cellulose;ko da yake fararen fata ba zai iya tantance ko HPMC ya dace da amfani ba, wasu masana'antun da ba su da kyau za su ƙara wani wakili na fata yayin sarrafawa, wanda zai shafi ingancinsa.Amma gabaɗaya magana, yawancin mafi kyawun ethers cellulose suna da mafi kyawun fari.
Abu na biyu, ya dogara da fineness na hydroxypropyl methylcellulose: barbashi girman hydroxypropyl carboxymethyl cellulose ne 80-100 raga, kasa da 120 raga, da hydroxyethyl cellulose HECHPMC ne game da 100 raga.Yawancin hpmc shine raga 60-80.Gabaɗaya, mafi ƙarancin methyl cellulose, mafi kyawun tarwatsewa.
Tsabtace ether cellulose a cikin maganin: sanya HPMC cikin ruwa don samar da maganin colloidal na gaskiya, mafi girma da tsabta, mafi girma da tsabta, ƙananan abubuwa marasa narkewa.
Lokacin da aka ɗumi kayan, sai ya yi ruwa ko tafkuna sannan ya narke.Yana da hydrophobic kuma mai narkewa.Kankare shine mabuɗin haɗin gwiwa da lalata albarkatun ƙasa don foda mai jure ruwa.Ka'idar juriya na ruwa ita ce kamar haka: lokacin da aka haɗa foda da siminti mai sakewa da ruwa, foda na latex zai ci gaba da komawa zuwa sigar emulsion na asali, kuma ƙwayoyin latex suna Watse a ko'ina cikin slurry siminti.Bayan da siminti ya ci karo da ruwa, hydration dauki ya fara, kuma Ca (OH) bayani ya kai ga saturation kuma lu'ulu'u suna haɓaka.A lokaci guda kuma, an samar da lu'ulu'u na ettringite da calcium silicate hydrate colloid, kuma ana sanya sassan latex a kan Gel da simintin da ba su da ruwa, yayin da yanayin hydration ya ci gaba, samfuran hydration sun ci gaba da ƙaruwa, kuma sassan latex suna ci gaba da ƙaruwa a hankali. a tattara a cikin ɓangarorin kayan da ba a haɗa su ba kamar su siminti, sannan a samar da wani nau'i mai yawa a saman simintin gel ɗin., saboda raguwa a hankali na busassun danshi, daɗaɗɗen ɓangarori na latex da aka sake tarwatsa su a cikin gel da voids suna haɗuwa don samar da fim mai ci gaba, samar da cakuda tare da matrix interpenetrating na siminti manna, da yin siminti manna da sauran foda The aggregates. suna manne da juna.
Lokacin aikawa: Mayu-11-2023