Matsalar zafin gel na Hydroxypropyl methylcellulose HPMC

Dangane da zafin gel na hydroxypropyl methyl celluloseHPMC, masu amfani da yawa ba sa yawan kula da zafin gel na hydroxypropyl methyl cellulose. Yanzu hydroxypropyl methyl cellulose galibi ana bambanta shi gwargwadon dankonsa, amma ga wasu yanayi na musamman da masana'antu na musamman, bai isa ya nuna danko na samfurin kawai ba. Mai zuwa ya gabatar da zafin gel na hydroxypropyl methylcellulose a takaice.

Abubuwan da ke cikin rukunin methoxy suna da alaƙa kai tsaye da matakin dialysis na cellulose, kuma ana iya daidaita abubuwan da ke cikin rukunin methoxy ta hanyar sarrafa dabarar, zafin amsawa da lokacin amsawa. A lokaci guda, matakin carboxylation yana shafar matakin maye gurbin hydroxyethyl ko hydroxypropyl. Saboda haka, riƙe ruwa na cellulose ethers tare da zafin gel mai yawa gabaɗaya ya ɗan fi muni. Wannan tsarin samarwa yana buƙatar a bincika, don haka ba wai cewa abun da ke cikin rukunin methoxy yana da ƙasa ba ne, farashin samar da cellulose ether yana da ƙasa, akasin haka, farashinsa zai yi girma.

Ana tantance zafin gel ɗin ta hanyar ƙungiyar methoxy, kuma ƙungiyar hydroxypropoxy ce ke tantance riƙe ruwa. Akwai ƙungiyoyi uku kawai da za a iya maye gurbinsu a kan cellulose. Nemo zafin da ya dace da amfani da ku, riƙe ruwa mai dacewa, sannan a tantance samfurin wannan cellulose.

Zafin gel shine muhimmin mahimmanci don amfani da shicellulose etherIdan zafin yanayi ya wuce zafin gel, cellulose ether zai rabu da ruwa kuma ya rasa riƙe ruwa. Zafin gel na cellulose ether da ke kasuwa zai iya biyan buƙatun muhallin da ake amfani da turmi a ciki (sai dai ga muhalli na musamman). Dole ne masana'antun su yi la'akari da wannan.