kiimikaadka hpmc hydroxypropyl methyl cellulose ee loo isticmaalo dhismaha CAS 9004-65-3
Hydroxypropyl methyl cellulose (HPMC)
Muuqaalka: caano cad ama budo cad
Heerkulka karbonaynta: 280-300 %
Heerkulka midabka: 190-200 %
Cabbirka qaybta: 100 heerka baaska mesh wuxuu ka weyn yahay 98.8%; 80 mesh heerka gudbinta mesh 99.9%; Cabbirka walxaha qaaska ah waa 40-60 mesh
Cufnaanta muuqata: 0.25-0.70g/cm (badanaa qiyaastii 0.5g/cm), cufnaanta gaarka ah: 1.26-1.31
Solubility: ku milmay biyaha iyo qaar ka mid ah dareerayaasha, sida saamiga ku habboon ethanol / biyaha, propanol / biyaha. Xalka aqueous wuxuu leeyahay hawlo dusha sare ah, daahfurnaan sare iyo waxqabad deggan.
Hydroxypropyl methyl cellulose, oo sidoo kale loo yaqaan hydroxypropyl methyl cellulose, fiber xidhmo hydroxypropyl methyl ether, waa xulashada fiber suuf ah oo aad u saafi ah sida walxo cayriin oo hoos timaada xaaladaha alkaline gaar ah.
etherification iyo diyaarinta.Waxay leedahay sifooyinka awoodda dhumucdiisuna, caabbinta milixda, content ash hoose, PH xasiloonida, haynta biyaha, xasilloonida cabbirka, samaynta filim heer sare ah, iyo caariyaysi ballaaran oo caariyaysi.
kala firdhinta iyo ku dhegganaanshaha.
Warshadaha dhismaha
1.Sbiid hoobiye
2.ceramic tile cement
3.Asbestos iyo daahan kale oo refractory: sida wakiilka ganaaxa, hagaajinta dheecaanka, laakiin sidoo kale hagaajinaysaa adhesion ee substrate ah.
4.Gypsum coagulant slurry: wanaaji xajinta biyaha iyo shaqaynta, wanaaji xabagta substrate-ka
5. Sibidhka wadajirka ah: lagu daray sibidhka wadajirka ah ee dhulka loogu talagalay guddiga gypsum si loo hagaajiyo dareeraha iyo xajinta biyaha.