Hydroxypropyl methylcellulose, e tsejoang hape e le hypromellose le cellulose hydroxypropyl methyl ether, e entsoe ka cellulose ea k'hothone e hloekileng haholo 'me e chesoa ka ho khetheha tlas'a maemo a alkaline.
phapang:
litšobotsi tse fapaneng
Hydroxypropyl methylcellulose: phofo kapa li-granule tse kang faeba e tšoeu kapa e tšoeu, tse mefuta e fapaneng e seng ea ionic motswakong oa cellulose, sehlahisoa sena ke polymer ea viscoelastic e sa sebetseng hantle, e entsoeng ka halofo ea maiketsetso.
Hydroxyethyl cellulose ke faeba e tšoeu kapa e mosehla, e se nang monko, e se nang chefo kapa phofo e tiileng, thepa e tala e ka sehloohong ke alkali cellulose le etherification ea ethylene oxide, e leng ether ea cellulose e qhibilihang e seng ionic.
Tšebeliso e fapane
Indastering ea pente, hydroxypropyl methylcellulose e na le ho qhibiliha ho hotle metsing kapa linthong tse qhibilihang tsa tlhaho e le sethibela-mafu, se qhalanyang le se tsitsisang. Polyvinyl chloride e sebelisoa e le sesebelisoa sa ho tlosa pente bakeng sa polymerization ea ho emisoa ho lokisa polyvinyl chloride, e sebelisoang haholo letlalong, lihlahisoa tsa pampiri, paballo ea litholoana le meroho, masela le liindasteri tse ling.
Hydroxypropyl methylcellulose: e batla e sa qhibilihe ka har'a ethanol e felletseng, ether, acetone; e qhibiliha ka har'a tharollo ea colloidal e bonaletsang kapa e nang le matheba metsing a batang, e sebelisoa haholo ho koaheleng, enkeng, likhoeleng, ho daeng, ho etsa pampiri, litlolong, chefo e bolaeang likokoanyana, liminerale Ts'ebetso ea lihlahisoa, ho hlaphoheloa ha oli le indastering ea meriana.
ho qhibiliha ho fapaneng
Hydroxypropyl methylcellulose: Ha e qhibilihe ka ho feletseng ka har'a ethanol e felletseng, ether, acetone; e qhibiliha ka har'a tharollo ea colloidal e hlakileng kapa e maru hanyane ka metsing a batang.
Hydroxyethyl cellulose (HEC): E ka lokisa ditharollo ka mefuta e fapaneng ya viscosity, mme e na le thepa e ntle ya ho qhibilihisa letswai bakeng sa di-electrolyte.
Nako ea poso: Tshitwe-01-2022