Hydroxypropyl methylcellulose, eo hape e tsejoang e le hypromellose le cellulose hydroxypropyl methyl ether, e entsoe ka selulose ea k'hothone e hloekileng haholo 'me e entsoe etherified ka ho khetheha tlasa maemo a alkaline.
phapang:
litšobotsi tse fapaneng
Hydroxypropyl methylcellulose: phofo kapa li-granules tse tšoeu kapa tse tšoeu, tsa mefuta e sa tšoaneng e sa ionic ka har'a motsoako oa cellulose, sehlahisoa sena ke semi-synthetic, se sa sebetseng sa viscoelastic polymer.
Hydroxyethyl cellulose ke fiber e tšoeu kapa e mosehla, e se nang monko, e se nang chefo kapa phofo e tiileng, thepa e ka sehloohong e tala ke alkali cellulose le ethylene oxide etherification, e leng ether e se nang ionic soluble cellulose.
Tšebeliso e fapane
Indastering ea pente, hydroxypropyl methylcellulose e na le ho qhibiliha ho hoholo ha metsi kapa li-solvents e le motenya, dispersant le stabilizer. Polyvinyl chloride e sebelisoa e le ho tlosa pente bakeng sa ho fanyeha polymerization ho lokisa polyvinyl chloride, e sebelisoang haholo ka letlalo, lihlahisoa tsa pampiri, ho boloka litholoana le meroho, masela le liindasteri tse ling.
Hydroxypropyl methylcellulose: hoo e ka bang ha e khone ho qhibiliha ka ethanol e feletseng, ether, acetone; e qhibilihang ka har'a tharollo e hlakileng kapa e nang le turbid colloidal ka metsing a batang, e sebelisoang haholo ho koahela, li-inki, likhoele, ho daea, ho etsa pampiri, litlolo, chefo e bolaeang likokoanyana, liminerale Ho sebetsa ha lihlahisoa, ho hlaphoheloa ha oli le liindasteri tsa meriana.
ho qhibiliha ho fapaneng
Hydroxypropyl methylcellulose: hoo e ka bang ha e khone ho qhibiliha ka ethanol e feletseng, ether, acetone; qhibilihang ka har'a motsoako oa colloidal o hlakileng kapa o koahetsoeng ke maru hanyane metsing a batang.
Hydroxyethyl cellulose (HEC): E ka lokisa litharollo ka mekhahlelo e fapaneng ea viscosity, 'me e na le thepa e ntle ea ho qhala letsoai bakeng sa li-electrolyte.
Nako ea poso: Dec-01-2022