Hydroxypropyl methylcellulose inoshamisa nonionic yakasanganiswa ether ye cellulose iyo yakashandura indasitiri yemakemikari. Iyo polymer inogadzirwa nekugadzirisa yakasikwa cellulose inowanikwa kubva muhuni kana donje. HPMC inonyanya kushandiswa mumhando dzakasiyana dzekushandisa nekuda kwehunhu hwayo hwakanakisa zvinosanganisira kukora, kumisa, emulsifying, lubricating uye kuchengetedza mvura.
Pamusoro pezvo, maHPMC ane kudzora kwakanakisa pamusoro pekuburitswa kwezvinhu zvinoshanda mune akasiyana magadzirirwo emishonga, anosanganisira mahwendefa, capsules, mafuta ekuzora, uye gels. Nekuchena kwayo kwepamusoro uye kwakanakisa biocompatibility, HPMC inosangana nemhando yepamusoro yemishonga, inovandudza kunaka uye kushanda kwemishonga.
Iyo isiri-ionic chimiro cheHPMC chinoita kuti ive sarudzo yakanaka kune akasiyana maindasitiri anosanganisira chikafu, zvekuzora uye kuvaka. Sechikafu chinowedzera thickener, HPMC inogona kuvandudza magadzirirwo uye kugadzikana kwezvikafu zvakagadziriswa, nepo muindasitiri yezvizorwa, inoita basa rakakosha sebhainda, emulsifier uye thickener. Mukuvaka, HPMC inogona kushandiswa sechinhu chekuchengetedza mvura, glue uye thickener kuvandudza kunamatira, kusimba uye kusimba kwezvivakwa zvekuvaka.
Kuita kwakanakisa kweHPMC kunokonzerwa nekuunzwa kwehydroxypropyl nemapoka emethyl mumusana we cellulose. Mapoka eHydroxypropyl (HP) ane basa rekuwedzera kunyungudika, nepo mapoka emethyl anoderedza hydrogen bonding uye kuwedzera kunyungudika kwemvura. Iyo dhigirii yekutsiva HP uye methyl mapoka muHPMC yakakosha pakuona zvivakwa zvayo, kusanganisira viscosity uye solubility.
HPMC chinhu chakakosha chekudzora kuburitsa zvinodhaka masisitimu. Mune masisitimu aya, HPMCs inosimudzira kuburitswa kwezvinodhaka nenzira inodzorwa, kuve nechokwadi chekurapa kurinani, kuwedzera bioavailability uye kuderedzwa kwemhedzisiro. Iyo polymer inogona zvakare kugadzirwa kuita piritsi rematrix, iro rine kusimudzira-kuburitsa zvivakwa, zvichibvumira kuti mushonga uburitswe mumuviri kwenguva yakareba.
Imwe yemabhenefiti akakosha eHPMC ndeye biocompatibility yayo. Ichi chivakwa chinoita kuti chive chinobatsira mukugadzirwa kwemishonga yekutonga nemuromo nekuti yakachengeteka, isina chepfu uye isingaite-reactive nemuviri tishu. Uye zvakare, HPMC ine yakanakisa firimu-inogadzira zvimiro uye inokodzera kuvharwa kwemapiritsi, capsules uye granules.
HPMC yakasarudzika yakasarudzika polymer inogona kushandiswa mune akasiyana maapplication anosanganisira mishonga, zvizorwa, chikafu uye kuvaka. Zvinhu zvayo zvakasiyana-siyana, kusanganisira kukora, kumisa uye kuchengetedza mvura, zvinoita kuti ive imwe yezvinonyanya kukosha mukugadzirwa kwemazuva ano. Nekunyungudika kwavo kwakanyanya, biocompatibility, uye kudzora kuburitsa kugona, HPMCs dzakashandura indasitiri yekuendesa zvinodhaka, kuvandudza kushanda kwezvinodhaka, kuchengetedzwa, uye mhando. Hapana mubvunzo kuti HPMC icharamba ichiita basa rakakosha muindasitiri yemakemikari.
Nguva yekutumira: Sep-08-2023