Litsela tsa hydroxypropypropyproppyl methyl cellulolose le hydroxethyl cellulose?

1.YdroxypropypropyLe methyl cellulolose

Hydroxypropypropinyl methylcellNa mefuta ea cellulose e le sesupo sa cellulose eo tlhahiso le tšebeliso ea tsona li ntseng li eketseha ka potlako. Ke cellulose e sa khetholloang e entsoeng ka k'hothone e sa tsoakoang kamora ho sebelisana, le methyl chloride e le methyl. Degree of karolelano hangata ke 1.2 ~ 2.0. Thepa ea eona e fapana ho latela karolelano ea mekhoa ea mekhoa ea mekhoa ea mofuta oa hydroxypropity

(1) HydroxypropyproppyL methylceluselose e qhibiliha habonolo ka metsing a batang, 'me e tla tobana le mathata a ho qhala metsi a chesang. Empa mocheso oa eona oa borena ka metsing a chesang o phahame haholo ho feta oa tšepe ea methyl. Khoele ka metsing a batang e boetse e ntlafalitsoe haholo ho bapisa le methyl cellulose.

. Mocheso o ama pono ea oona, joalo ka ha mocheso oa eketseha, Viscostory ea fokotseha. Leha ho le joalo, tšusumetso ea pono ea eona e phahameng le mocheso o tlase ho feta oa methyl cellulose. Tharollo ea eona e tsitsitse ha e bolokoa ka mocheso oa kamore.

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. Cadance Soda le metsi a lime ha li na phello e nyane ts'ebetsong ea eona, empa Alkali a ka potlakisa sekhahla sa eona sa disfol se ka eketsa pono ea sona. HydroxypropypropinprofonyLese e tsitsitseng, empa ha tharollo ea letsoai e phahame, viccosion of hydroxypropy tharollo ea ho eketseha.

. Joalo ka polyvinyl joala, starch ether, leqhubu la meroho, jj.

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2. Hydroxethyl celluloulose

E entsoe ka k'hothone e hloekisitsoeng e phekotsoeng le Alkali, 'me e ile ea amohela oxide ea ethineneng e le moemeli ea nang le lebaka la Isopropanol. Boemo ba eona ba boemo ba eona hangata bo 1.5 ~ 2.0. E na le hydrophphilicity e matla 'me ho bonolo ho amohela mongobo.

(1) Hydroxethyl conlloulose e qhibilihang ka metsing a batang, empa ho thata ho li hlakola metsing a chesang. Tharollo ea eona e tsitsitse mochesong o phahameng o se nang mohono. E ka sebelisoa nako e telele tlasa mocheso o phahameng o seretse, empa ho otla ha eona metsi ho tlase ho feta oa methyl cellulose.

(2)Hydroxeeyl cellulosesee tsitsitse ho kakaretso ea Acid le Alkali le Alkali, le Alkali e ka eketsa qhalano ea eona mme e eketsa pono ea eona. Ho senyeha ha eona hanyane ho hobe hanyane ho feta oa methyl cellulolose le hydroxypropyproppyl methyl celbelose.

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(5) Mofuthu oa tharollo ea metsi a hydroxethyl e tiile haholo. Ka mocheso oa hoo e ka bang 40 ° C, hlomo e ka hare ho 3 ho isa ho 5, e tla ama ts'ebetso ea eona.