Tsopano anthu ambiri sakudziwa zambiri za hydroxypropyl wowuma. Amaganiza kuti pali kusiyana pang'ono pakati pa hydroxypropyl wowuma ether ndi wowuma wamba, koma ayi. Kuchuluka kwa hydroxypropyl wowuma ether ether zinthu zopangidwa ndi matope ndi ochepa kwambiri, ndipo polar imatha kukwaniritsa zabwino.
Hydroxypropyl wowuma ether (HPS) ndi ufa woyera wabwino wopezeka mwa kusinthika zachilengedwe, kukwezedwa kwambiri, kenako ndikuuma, popanda maguyito. Ndiwosiyana ndi wowuma wamba kapena wowuma.
Ndi hydroxypyl methy cellulose, yomwe imadziwikanso kuti hypromelweose, hydroxypropyl ofiira, ndikuzigwiritsa ntchito bwino kwambiri cell ali mkati mwazofunikira. Ikani fiberi ya alkali mu ketulo yoyeserera, onjezani Propeyne Oxide ndi methyl chloride motsatira, ndikumusangalatsa pa 50-80 ° C kwa maola 5, ndipo kukakamizidwa kwakukulu ndi 1.8mpu. Kenako onjezani kuchuluka kwa Hydrochloric acid ndi oxalic acid ndi madzi otentha pa 90 ° C kuti atsuke kwambiri. Kugwiritsidwa ntchito kwambiri pomanga, makampani opanga mankhwala, utoto, makampani, makampani ena opanga mafilimu, wobalalitsa, wobalalitsa, encker, etc.
Hydroxypropyl wowuma ether amatha kugwiritsidwa ntchito ngati chophatikizira cha mankhwala a simenti, mankhwala a gypsum ndi ma cacium. Imakhala ndi kulumikizana kwabwino ndi ma admintires ena. Amagwiritsidwa ntchito limodzi ndi hydroxypypyl ether hpmc, imatha kuchepetsa kuchuluka kwa ma hpmc pofika 20%.
Post Nthawi: Apr-24-2023