Hydroxypropyl methylcellulose, yomwe imadziwikanso kuti hypromellose ndi cellulose hydroxypropyl methyl ether, imapangidwa kuchokera ku cellulose yoyera kwambiri ya thonje ndipo imasungunuka bwino kwambiri pansi pa zinthu zamchere.
kusiyana kwake:
makhalidwe osiyanasiyana
Hydroxypropyl methylcellulose: ufa kapena tinthu tating'onoting'ono tofanana ndi ulusi woyera kapena woyera, tomwe tili m'mitundu yosiyanasiyana yosakhala ya ionic mu chisakanizo cha cellulose, mankhwalawa ndi polima ya viscoelastic yosagwira ntchito komanso yopanda ntchito.
Hydroxyethyl cellulose ndi ulusi woyera kapena wachikasu, wopanda fungo, wopanda poizoni kapena ufa wolimba, chinthu chachikulu chopangira ndi alkali cellulose ndi ethylene oxide etherification, yomwe ndi ether yosungunuka ya cellulose yosakhala ionic.
Kugwiritsa ntchito ndikosiyana
Mu makampani opanga utoto, hydroxypropyl methylcellulose imasungunuka bwino m'madzi kapena zinthu zachilengedwe monga chokhuthala, chosungunula, komanso chokhazikika. Polyvinyl chloride imagwiritsidwa ntchito ngati chochotsera utoto kuti ipangitse polyvinyl chloride, yomwe imagwiritsidwa ntchito kwambiri mu zikopa, mapepala, kusunga zipatso ndi ndiwo zamasamba, nsalu ndi mafakitale ena.
Hydroxypropyl methylcellulose: Sungunuka pafupifupi mu ethanol, ether, acetone; Sungunuka mu yankho la colloidal lowonekera kapena lopanda madzi m'madzi ozizira, lomwe limagwiritsidwa ntchito kwambiri mu zokutira, inki, ulusi, utoto, kupanga mapepala, zodzoladzola, mankhwala ophera tizilombo, mchere. Kukonza zinthu, kubwezeretsa mafuta ndi mafakitale opanga mankhwala.
kusungunuka kosiyana
Hydroxypropyl methylcellulose: Sungunuka pafupifupi mu ethanol, ether, acetone; Sungunuka mu yankho la colloidal loyera kapena la mitambo pang'ono m'madzi ozizira.
Hydroxyethyl cellulose (HEC): Imatha kukonza mayankho osiyanasiyana m'mitundu yosiyanasiyana ya kukhuthala, ndipo ili ndi mphamvu zabwino zosungunula mchere wa ma electrolyte.
Nthawi yotumizira: Disembala-01-2022