Chii chinonzi hydroxypropyl methylcellulose yakagadzirwa kubva?

Hydroxypropyl methylcellulose (HPMC) i polymer yakagadzirwa, inonyungudika nemvura inotorwa kubva muselulosi.Ihupfu huchena, husina hwema, husingaravi hunoshandiswa zvakanyanya sehupfu, emulsifier, yekare firimu, uye stabilizer mumaindasitiri mazhinji, anosanganisira emishonga, chikafu, zvizorwa, uye kuvaka.

HPMC inogadzirwa nekuita selulosi nepropylene oxide uye methyl chloride.Cellulose ipolysaccharide inova chikamu chikuru chechirimwa maseru madziro uye ndiyo yakanyanya kuwanda organic compound paNyika.Propylene oxide inhengo yeorganic ine kemikari formula CH3CHCH2O.Methyl chloride igasi risina ruvara, rinopfuta nekunhuhwirira kwakanaka.

Kuita kwe cellulose ine propylene oxide uye methyl chloride inoguma mukuumbwa kwemapoka ehydroxypropyl, anonamirwa kune cellulose mamorekuru.Iyi nzira inozivikanwa se hydroxypropylation.Mapoka ehydroxypropyl anowedzera kunyungudika kweselulosi mumvura, zvichiita kuti zvive nyore kushandisa mumhando dzakasiyana dzekushandisa.

HPMC inoshandiswa zvakanyanya muindasitiri yemishonga sebhainda, disintegrant, uye kumisa mumiriri mumapiritsi nemakapisi.Inoshandiswawo seyakakora uye emulsifier mumakirimu uye lotions, uye semufirimu wekare mumadonhwe emeso.Muindasitiri yezvekudya, inoshandiswa seyakakora, inosimbisa, uye emulsifier mumasosi, madhirezi, uye zvimwe zvigadzirwa zvekudya.Muindastiri yekuvaka, inoshandiswa sechinhu chinosungirirwa musimende nedhaka, uye sechidzitiro chinodzivirira mvura kumadziro uye pasi.

HPMC chinhu chakachengeteka uye chisiri chepfu chinotenderwa neUS Food and Drug Administration (FDA) kuti chishandiswe muchikafu, mishonga, uye zvizorwa.Inobvumidzwawo neEuropean Union (EU) kuti ishandiswe muchikafu nemishonga.