Hydroxypropyl methyl cellulose uye carboxymethyl cellulose sodium zvinogona kusanganiswa

Hydroxypropyl methyl cellulose (HPMC) uye carboxymethyl cellulose sodium (CMC)) zvinhu zviviri zvinoshandiswa zvakanyanya mukugadzirwa kwe cellulose mumaindasitiri akasiyana-siyana nekuda kwehunhu hwazvo hwakasiyana uye mashandiro azvo. Kunyange zvazvo ese ari mapolymer akavakirwa pa cellulose, akasiyana muchimiro chawo chemakemikari uye hunhu hwawo, izvo zvinoita kuti akwanise kushandiswa zvakasiyana. Zvisinei, mune dzimwe nguva, anogona kusanganiswa kuti awane hunhu hwakasiyana hwekushanda kana kuwedzera humwe hunhu hwechigadzirwa chekupedzisira.

Hydroxypropyl methyl cellulose (HPMC), inozivikanwawo sehypromellose, i non-ionic cellulose ether inobva mu natural polymer cellulose. Inogadzirwa kuburikidza nekuita kwealkali cellulose nepropylene oxide nemethyl chloride. HPMC inoshandiswa zvakanyanya mumishonga, zvinhu zvekuvaka, zvigadzirwa zvekudya, uye zvizoro nekuda kwehunhu hwayo hwakanaka hwekugadzira mafirimu, kukora, kusunga, uye kuchengetedza mvura. HPMC inowanikwa mumhando dzakasiyana-siyana dzine mazinga akasiyana e viscosity, izvo zvinoita kuti ishandiswe mumhando dzakasiyana-siyana dzekushandiswa.

Kune rumwe rutivi, carboxymethyl cellulose sodium (CMC) imhando yeanionic cellulose inonyungudika mumvura inowanikwa kuburikidza nekuita kwecellulose ne sodium hydroxide uye chloroacetic acid. CMC inozivikanwa nekukwanisa kwayo kuchengetedza mvura yakawanda, kugona kwayo kukora, kugona kugadzira mafirimu, uye kugadzikana mumamiriro akasiyana-siyana epH. Inoshandiswa muzvigadzirwa zvekudya, mishonga, zvizoro, machira, uye kugadzira mapepa nekuda kwekushanda kwayo kwakasiyana-siyana uye kubatana kwayo nezvinhu zvipenyu.

Kunyange zvazvo HPMC neCMC zvakafanana muzvinhu zvakafanana zvakaita sekunyungudika kwemvura uye kugona kugadzira firimu, zvinoratidzawo hunhu hwakasiyana hunoita kuti dzikwanise kushandiswa mune mamwe mashandisirwo. Semuenzaniso, HPMC inosarudzwa mumishonga yakadai semapiritsi nemakapisi nekuda kwehunhu hwayo hwekuburitsa zvinhu zvakadzora uye inoenderana nezvinhu zvinoshanda zvemishonga. Kune rumwe rutivi, CMC inowanzoshandiswa muzvigadzirwa zvekudya zvakaita semasosi, madhirowa, nezvinhu zvakabikwa sechinhu chinosimbisa uye chinosimbisa.

Pasinei nekusiyana kwazvo, HPMC neCMC zvinogona kusanganiswa pamwe chete mune mamwe maumbirwo kuti zvibudirire kana kuti zviwedzere hunhu hwazvo. Kuenderana kweHPMC neCMC kunoenderana nezvinhu zvakawanda zvakaita semaumbirwo azvo emakemikari, huremu hwemamorekuru, mwero wekutsiva, uye hunhu hunodiwa hwechigadzirwa chekupedzisira. Kana zvikasanganiswa pamwe chete, HPMC neCMC zvinogona kuratidza hunhu hwakavandudzwa hwekukora, kusunga, uye kugadzira firimu zvichienzaniswa nekushandisa polymer chete.

Imwe nzira inowanzo shandiswa pakusanganisa HPMC neCMC ndeyekugadzira masisitimu ekutumira mishonga akavakirwa pahydrogel. Mahydrogel maumbirwo enetwork ane mativi matatu anokwanisa kunwisa nekuchengetedza mvura yakawanda, zvichiita kuti akwanise kushandiswa pakuburitsa mishonga. Nekubatanidza HPMC neCMC muzvikamu zvakakodzera, vaongorori vanogona kugadzirisa hunhu hwemahydrogel akadai sekuzvimba, simba remuchina, uye kinetics yekuburitsa mishonga kuti ienderane nezvinodiwa chaizvo.

Imwe nzira yekusanganisa HPMC neCMC ndeyekugadzira pendi dzinobva mumvura uye dzinobvaruka. HPMC neCMC dzinowanzo shandiswa sezvinhu zvinosimbisa uye zvinogadzirisa rheology mumapendi anobuda mumvura kuti zvivandudze hunhu hwadzo, zvakaita sekukwesha, kusamira zvakanaka, uye kuramba kupfapfaidza. Nekugadzirisa chiyero cheHPMC neCMC, vanogadzira pendi vanogona kuwana viscosity inodiwa uye maitiro ekuyerera kwependi uku vachichengetedza kugadzikana kwayo nekushanda kwayo nekufamba kwenguva.

Pamusoro pemishonga nependi, musanganiswa weHPMC neCMC unoshandiswawo muindasitiri yechikafu kuvandudza magadzirirwo, kugadzikana, uye kunzwa kwemuromo kwezvigadzirwa zvakasiyana-siyana zvekudya. Semuenzaniso, HPMC neCMC zvinowanzo kuwedzerwa kuzvigadzirwa zvemukaka zvakaita seyogati neaizikirimu sezvinodzivirira kupatsanurwa kwechikamu uye kuvandudza kunaka kwekirimu. Muzvinhu zvakabikwa, HPMC neCMC zvinogona kushandiswa sezvigadziriso zvemukanyiwa kuti zviwedzere hunhu hwekubata mukanyiwa uye kuwedzera nguva yekushanda.

nepo hydroxypropyl methyl cellulose (HPMC) uye carboxymethyl cellulose sodium (CMC) zviri zviviri zvakasiyana zve cellulose derivatives zvine hunhu hwakasiyana uye mashandisirwo, zvinogona kusanganiswa pamwe chete mune mamwe maumbirwo kuti zviwane mhedzisiro yekubatana kana kuwedzera hunhu hwakasiyana. Kuenderana kweHPMC neCMC kunoenderana nezvinhu zvakasiyana-siyana zvakaita sechimiro chazvo chemakemikari, huremu hwemamorekuru, uye hunhu hunodiwa hwechigadzirwa chekupedzisira. Nekusarudza nekungwarira chiyero uye musanganiswa weHPMC neCMC, vagadziri vemaumbirwo vanogona kugadzirisa hunhu hwemaumbirwo avo kuti asvike kune zvinodiwa mumishonga, machira, zvigadzirwa zvekudya, uye mamwe maindasitiri.