Muchikamu chemishonga, sodium carboxymethylcellulose (CMC) uye hydroxypropyl methylcellulose (HPMC) zvinhu zviviri zvinoshandiswa mumishonga zvine hunhu hwakasiyana hwemakemikari uye mabasa.
Maumbirwo emakemikari uye hunhu hwawo
CMC chinhu chinonyungudika mumvura chinobva mu cellulose chinowanikwa nekushandura chikamu che hydroxyl groups ye cellulose kuita carboxymethyl groups. Kunyungudika kwemvura uye viscosity yeCMC zvinoenderana nehuwandu hwayo hwekutsiva uye huremu hwemamorekuru, uye inowanzoita semushonga wakanaka wekukora uye wekumisa.
HPMC inowanikwa nekutsiva chikamu che hydroxyl groups ye cellulose ne methyl ne hydroxypropyl groups. Kana ichienzaniswa ne CMC, HPMC ine kunyungudika kwakakura, inogona kunyungudutswa mumvura inotonhora neinodziya, uye inoratidza kusimba kwakasimba pa pH dzakasiyana. HPMC inowanzoshandiswa se firimu, glue, thickener uye controlled release agent mumishonga.
Munda wekushandisa
Mapiritsi
Mukugadzira mapiritsi, CMC inonyanya kushandiswa sechinhu chinonamira uye chinonamira. Sechinhu chinonamira, CMC inogona kunwisa mvura nekuzvimba, nokudaro ichikurudzira kuputsika kwemapiritsi uye kuwedzera mwero wekuburitswa kwemishonga. Sechinhu chinosunga, CMC inogona kuwedzera simba remapiritsi.
HPMC inonyanya kushandiswa semushonga wekugadzira firimu uye unodzorwa mumapiritsi. Firimu iri rinogadzirwa neHPMC rine simba guru remuchina uye rinodzivirira kupfeka, izvo zvinogona kudzivirira mushonga kubva pakukanganiswa nemamiriro ekunze. Panguva imwe chete, hunhu hweHPMC hwekugadzira firimu hunogonawo kushandiswa kudzora huwandu hwekuburitswa kwemushonga. Nekugadzirisa mhando uye chiyero cheHPMC, kuburitswa kwenguva refu kana kudzorwa kunogona kuwanikwa.
Makapisiro
Mukugadzira makapisi, CMC hainyanyi kushandiswa, nepo HPMC ichinyanya kushandiswa, kunyanya mukugadzira makapisi emuriwo. Magoko emakapisi echinyakare anowanzogadzirwa negelatin, asi nekuda kwedambudziko rezvinobva kumhuka, HPMC yave chinhu chakanaka chekushandisa. Goko remakapisi rakagadzirwa neHPMC haringogumiri pakushanda zvakanaka chete, asiwo rinogutsa zvinodiwa nevaya vanodya miriwo chete.
Kugadzirira mvura
Nekuda kwekukora kwayo kwakanaka uye kugona kwayo kumisa, CMC inoshandiswa zvakanyanya mukugadzira mvura senge mishonga inonwiwa, madonhwe emaziso uye kugadzira mishonga yemushonga. CMC inogona kuwedzera kusimba kwekugadzira mvura, nokudaro ichivandudza kumisa uye kugadzikana kwemishonga uye kudzivirira kusvibiswa kwemishonga.
Kushandiswa kweHPMC muzvigadzirwa zvemvura kunonyanya kushandiswa muzvikukutu uye zvinosanganisa makemikari. HPMC inogona kuramba yakasimba pahuwandu hwakakura hwepH uye inogona kushanda nemishonga yakasiyana-siyana pasina kukanganisa kushanda kwemishonga. Pamusoro pezvo, hunhu hweHPMC hwekugadzira firimu hunoshandiswawo mukugadzira ganda, senge kudzivirira madonhwe emaziso.
Kugadzirira kusunungurwa kunodzorwa
Mukugadzirira kusunungurwa kunodzorwa, kushandiswa kweHPMC kunonyanya kukosha. HPMC inokwanisa kugadzira network yegel, uye mwero wekuburitswa kwemushonga unogona kudzorwa nekugadzirisa huwandu uye chimiro cheHPMC. Hunhu uhwu hwave huchishandiswa zvakanyanya mumapiritsi anoburitswa anonwiwa kwenguva refu uye maimplants. Kusiyana neizvi, CMC haishandiswi zvakanyanya mukugadzirira kusunungurwa kunodzorwa, kunyanya nekuti chimiro chegel chainoumba hachina kugadzikana seHPMC.
Kugadzikana uye kuenderana
CMC haina kugadzikana kwakasimba pa pH dzakasiyana uye inokanganiswa nyore nyore nemamiriro ekunze ane acid-base. Pamusoro pezvo, CMC haina kuenderana zvakanaka nezvimwe zvinoshandiswa mumishonga, izvo zvinogona kukonzera kunaya kwemvura kana kutadza kushanda kwemishonga.
HPMC inoratidza kugadzikana kwakanaka pamusoro pehuwandu hwakakura hwepH, haikanganisike nyore neacid-base, uye inoenderana zvakanaka. HPMC inogona kuenderana nezvinhu zvakawanda zvemushonga pasina kukanganisa kugadzikana uye kushanda kwemushonga.
Kuchengetedzeka nemirau
Zvese CMC neHPMC zvinoonekwa sezvinhu zvakachengeteka zvemishonga uye zvakatenderwa kushandiswa mukugadzira mishonga nemakambani emishonga nemasangano anotonga munyika dzakasiyana-siyana. Zvisinei, panguva yekushandisa, CMC inogona kukonzera allergy kana kusagadzikana mudumbu, nepo HPMC isingawanzo kukonzera allergy.
CMC neHPMC dzine zvadzinobatsira pakushandisa mishonga. CMC ine chinzvimbo chakakosha mukugadzirwa kwemvura nekuda kwehunhu hwayo hwekukora uye hwekumisa, nepo HPMC yave ichishandiswa zvakanyanya mumapiritsi, makapisiri uye mukugadzirwa kunodzorwa nekuda kwehunhu hwayo hwakanaka hwekugadzira firimu uye hunodzorwa. Kusarudzwa kwemishonga kunofanirwa kuenderana nehunhu hwemushonga chaiwo uye zvinodiwa pakugadzirira, tichifunga zvakanakira nezvakaipa zvezvose zviri zviviri, uye kusarudza chinhu chinonyatsokodzera kushandiswa.
Nguva yekutumira: Chikunguru-19-2024