▲Hydroxypropyl methyl cellulose (HPMC)ipfumbu chena isinganhuhwi, isinganakidze. Mushure mekunyungudika zvakazara mumvura, hydroxypropyl methyl cellulose inoumba yakajeka viscous colloid.
▲ Iyo huru yezvigadzirwa zve hydroxypropyl methyl cellulose (HPMC): yakanatswa donje, methyl chloride, propylene oxide, uye zvimwe zvigadzirwa, caustic soda, asidhi, toluene, isopropanol, nezvimwe.
Kuenzanisa zvakanakira uye kuipa kwehydroxypropyl methyl cellulose:
1.Pure hydroxypropyl methyl cellulose HPMC yakasununguka inoratidzika uye ine diki diki yakawanda, ine chiyero che 0.3-0.4 / ml.
Iyo HPMC yakasvibiswa ine mvura yakanaka kwazvo uye inonzwa kurema, iyo yakasiyana zvakanyanya kubva kune chaiyo chigadzirwa muchitarisiko.
2.Pure hydroxypropyl methyl cellulose HPMC aqueous solution yakajeka, high light transmittance, mvura yekuchengetedza mvura> 97%.
Iyo yakasvibiswa HPMC aqueous solution ine tsvina, uye chiyero chekuchengetedza mvura chinonetsa kusvika 80%.
3.Pure HPMC haifaniri kunhuwa ammonia, starch uye doro.
Yakasvibiswa HPMC inogona kazhinji kunhuhwirira marudzi ese ezvinwiwa, kunyangwe isina kunaka, inonzwa kurema.
4.Pure hydroxypropyl methyl cellulose HPMC powder is fibrous pasi pe microscope kana magnifying glass.
Adlterated HPMC inogona kuonekwa se granular solids kana makristasi pasi pemaikorosikopu kana girazi rinokudza.
Kubva pane zvipi zvimiro zvekuona zvakanakira uye zvakaipira zvehydroxypropyl methyl cellulose?
1.white degree
Kunyangwe kuchena kusingakwanise kuona kana HPMC iri nyore kushandisa, uye kana maajenti ekuchena akawedzerwa panguva yekugadzira, zvinokanganisa kunaka kwayo. Zvisinei, zvizhinji zvezvigadzirwa zvakanaka zvine kuchena kwakanaka.
2.Kunaka
Iko kunaka kweHPMC kunowanzo kuve ne80 mesh uye zana mesh, uye iyo yakatsetseka kunaka, kazhinji kutaura, zviri nani.
3.Transmittance
Puthydroxypropyl methyl cellulose (HPMC)mumvura kuumba sparent colloid, uye tarisa chiedza chayo transmittance. Iyo yakakwirira iyo mwenje transmittance, zviri nani, zvichiratidza kuti mune zvishoma zvisinganyunguriki zvinhu mairi. Kupinda kwemareactors akatwasuka kazhinji kwakanaka, ukuwo kwemareactor akachinjika kwakaipisisa.
4.Chikamu
Iyo yakakura iyo chaiyo giravhiti, iyo inorema zvakanyanya nani. Iyo chaiyo yakakura, kazhinji nekuti zvirimo muboka re hydroxypropyl mariri zvakakwirira, uye zviri muboka re hydroxypropyl zvakakwirira, kuchengetwa kwemvura kuri nani.
Nguva yekutumira: Kubvumbi-25-2024