Hydroxypropyl methyl cellulose (HPMC), albarkatun kasacellulose, ana iya tsabtace auduga ko ɓangaren litattafan almara. Wajibi ne a juye shi kafin ko lokacin aikin alkalization. Ana yin shuki ta hanyar makamashin injina. Rushe tsarin da aka tattara na kayan albarkatun cellulose don rage kristal da digiri na polymerization da haɓaka sararin samaniya, don haka haɓaka damar samun damar yin amfani da sinadarai na reagents zuwa ƙungiyoyin hydroxyl uku a kan tushe na zobe na cellulose macromolecular glucose.
Hydroxypropyl methyl cellulose (HPMC)ana amfani da shi azaman albarkatun ƙasa don samar da mai, wanda zai iya fahimtar amfani da sukari gabaɗaya, inganta ƙimar amfani da albarkatun ƙasa, rage ragowar adadin substrate a cikin broth fermentation, da rage farashin jiyya na ruwa. Halayenmethyl cellulosesuna dacewa da haɓakawa na batch, batch-batch da ci gaba da tafiyar matakai na fermentation, guje wa jerin matsaloli irin su sarrafa abun da ke cikin matsakaici da dilution rate; a lokaci guda kuma, yana da amfani ga tsarin tsarin fermentation. Domin kaddarorinhydroxypropyl methyl cellulose (HPMC)suna kama da sauran ethers masu narkewa na ruwa, ana iya amfani da shi azaman wakili na fim, mai kauri, emulsifier da stabilizer a cikin latex coatings da kuma ruwa mai narkewa resin shafi abubuwan da aka gyara, yana sa ya yiwu a yi sutura Fim ɗin yana da tsayayyar abrasion mai kyau, daidaitawa. kaddarorin da mannewa, kuma ya inganta yanayin tashin hankali, kwanciyar hankali ga acid da alkali, da daidaituwa tare da pigments na ƙarfe.
Hydroxypropyl methyl cellulose (HPMC)yana da tasiri mai kyau a matsayin mai kauri ga fararen ruwa na tushen polyvinyl acetate. Matsayin maye gurbincellulose etheryana ƙaruwa, kuma ana haɓaka juriya ga ƙwayoyin cuta da zaizayar ƙasa.
Ko da yake ka'idar etherification kira na hydroxypropyl methylcellulose (HPMC) ba ta da rikitarwa, shi ne alkalization, albarkatun kasa crushing, da kuma alkalization. Daban-daban yanayi na etherification, sauran ƙarfi dawo da, centrifugal rabuwa, wanka da bushewa ya ƙunshi babban adadin key fasahar da arziki ilmi.
Don nau'ikan samfura daban-daban, kowane yanayi yana da sabbin yanayin sarrafawa, kamar zazzabi, lokaci, matsa lamba da sarrafa kwararar kayan. Kayayyakin kayan aiki da kayan sarrafawa sune garanti mai aminci da fa'ida don ingantaccen ingancin samfur da ingantaccen tsarin samarwa.
Halayen samfur nahydroxypropyl methyl cellulose:
1. Properties: Wannan samfurin fari foda ne, kuma ba shi da wari, marar ɗanɗano kuma mara guba.
2. Tasirin riƙe ruwa: Domin wannan samfurin na iya sha ruwa sau da yawa fiye da kansa. Kula da babban ruwa a turmi, gypsum, fenti da sauran samfuran.
3. Wannan samfurin za a iya narkar da a cikin ruwan sanyi don samar da wani m danko ƙarfi.
4. Narkar da kayan kaushi na kwayoyin halitta: Saboda yana dauke da adadin kwayoyin halittar hydrophobic, ana iya narkar da wannan samfurin a cikin wasu sinadaran da ake hadawa, kuma ana iya narkar da shi a cikin hadadden kaushi na ruwa da kwayoyin halitta.
5. Juriya na Gishiri: Tun da wannan samfurin ba shi da ionic kuma ba polyelectrolyte ba, yana da ingantacciyar barga a cikin maganin ruwa na gishiri na ƙarfe ko kwayoyin halitta. A cikin yanayin yawan electrolyte, yana iya haifar da gelation ko hazo.
6. Surface Ayyukan: Maganin ruwa na wannan samfurin yana da aikin saman.
Lokacin aikawa: Nuwamba-29-2021
