Hydroxypropyl Methylcellulose HPMC
A cikin kayan gini, ana amfani da shi azaman wakili mai riƙe da ruwa da kuma retarder don sludge ciment tare da famfo.Ana iya amfani da shi azaman mai ɗaure a cikin filasta, gypsum, foda mai jujjuya ko wasu kayan gini don haɓaka haɓakawa da tsawaita lokacin aiki.Ana iya amfani da shi azaman wakili don liƙa tubalin, fale-falen fale-falen, marmara, kayan ado na filastik, da abubuwan haɓaka haɗin gwiwa.Hakanan zai iya rage yawan siminti.Riƙewar ruwa naHPMCyana hana slurry daga fashe saboda bushewa da sauri bayan rufewa, kuma yana haɓaka ƙarfi bayan taurin.
Bugu da ƙari, ana amfani da shi azaman thickener, kwanciyar hankali, emulsifier, excipient, riƙe ruwa a cikin samar da sauran sinadaran petrochemicals, sutura, kayan gini, masu cire fenti, sinadarai na aikin gona, tawada, bugu da rini, tukwane, yin takarda, da samfuran kwaskwarima.Wakili, mai shirya fim, da sauransu.
1. Bayyanar: fari ko kusan fari foda, mara wari da rashin ɗanɗano.
2. Granularity: 10 mesh pass rate ya fi 98.5%;80 ragin izinin wucewa ya fi 100%.
3. Carbonization zafin jiki: 280-300 ℃.
4. Yawan ɗaki: 0.25-0.7G/CM3 (yawanci game da 0.5G/CM3), ƙayyadaddun nauyi shine 1.26-1.31.
5. Rashin launi: 190-200 ℃.
6. Yanayin zafin jiki: game da 360 ℃.
Hanyar samarwa
Ana kula da cellulose mai ladabi auduga tare da lemun tsami a 35-40 ° C na rabin sa'a, an matse shi, an murkushe cellulose, kuma ya tsufa a 35 ° C, don haka matsakaicin darajar alkali fiber matsakaici na polymerization yana cikin iyakar da ake bukata.Saka alkali fiber a cikin kettle etherification, ƙara propylene oxide da methyl chloride jere, kuma etherify a 50-80 ℃ na 5h, matsakaicin matsa lamba ne game da 1.8MPa.Sa'an nan kuma ƙara daidai adadin hydrochloric acid da oxalic acid don wanke kayan a cikin ruwan zafi a 90 ° C don ƙara girma.Dehydrate tare da centrifuge.Wanka zuwa tsaka tsaki.Lokacin da abun ciki na ruwa a cikin abu bai wuce 60% ba, bushe shi tare da rafi na iska mai zafi a 130 ℃ zuwa ƙasa da 5%.A ƙarshe, ana murƙushe shi ta hanyar sieve mai raɗaɗi 20 don samun samfurin da aka gama.