Panopahydroxypropyl carboxymethyl celluloseMsika Wogulitsa Kwambiri, mtengo wake siwothera, momwe ungachotsere bwino hydroxpyl meth celyl yasanduka vuto lalikulu! Ndiye momwe mungaweruzire mtundu wa hydroxypypyl methylcelulose? Chinthu choyamba kuyang'ana ndi kuyera kwa hydroxypropyl cellulose; Ngakhale kuyera sikungakhale komveka ngati HPMC ndiyoyenera kuti mugwiritse ntchito, koma pakukonzekera kulinso opanga oyipa omwe adzawonjezere ntchito yoyera, idzawononga mawonekedwe ake. Koma nthawi zambiri, ambiri mwa etherulese ndi kuyera kwabwino.
Chachiwiri, kuwona kukongola kwa hydroxypropyl methy cellulose: hydroxypropyl carboxyl cell, ma hydroxyethyl cellose pafupifupi ma mehs 100. HPMC ya 60-80 Mesh, General Methyl cellulose yofewa, kupezeka kwabwinoko.
Yankho la cellulose ether ether.HpmcIkani m'madzi kuti mupange yankho lowoneka bwino, onani zotsatira zaposachedwa, zomwe zimapangitsa kuti mankhwalawa athetse.
Pakatenthedwayo akamatenthedwa, ndi gelatited kapena okhazikika ndipo kenako anakumbukira. Ndi hydrophobic ndi osungunuka madzi. Konkriti ndiye mgwirizano waukulu ndi depolsification zopangira ufa woletsa madzi. Mfundo yake yolimbana ndi madzi ndi motere: mu njira yowonjezera madzi ndipo simenti yotsitsidwa ndi simenti yokhazikika, ndipo tinthu tating'ono tating'ono timabwezeretsanso mu emulsion phala pa phala phala. Miyezo itatha madzi, ma hydration machitidwe amayamba, ndi a a ca (o) 2 Njira yothetsera makhiristo, ndipo nthawi yomweyo, calticerls a calcium hydrate ma Colloids omwe amapangidwa. Tinthu tating'onoting'ono tinthu tating'onoting'ono timasungidwa pazinthu za gel osavuta. Popita patsogolo kwa chithandizo chamankhwala, zinthu za hydrate zikuchulukirachulukira, ndipo ma tinthu tating'onoting'ono amasonkhanitsidwa pang'onopang'ono zinthu zachilengedwe monga simenti, ndikupanga mawonekedwe ophatikizika pamwamba pa simenti gelmer. Chifukwa cha kuchepetsa kwa madzi owuma, odzaza mwamphamvu obwezeretsedwanso magilekiti m'magalasi ndi ma votiment kuti apange filimu yopitilira muyeso, ndikugwirizira osakaniza a simenti kudutsa matrix.
Post Nthawi: Apr-282024