Hydroxypropylmethylcellulose (HPMC) ndi chochokera ku cellulose chomwe chimagwiritsidwa ntchito popanga zinthu zosiyanasiyana, kuphatikiza zakumwa zotsuka mbale. Imakhala ngati thickener zosunthika, kupereka mamasukidwe akayendedwe ndi kukhazikika kwa madzi formulations.
HPMC mwachidule:
HPMC ndikusintha kopangidwa kwa cellulose, polima wachilengedwe wopezeka m'makoma a cellulose. Amapangidwa ndi kusintha kwa cellulose pogwiritsa ntchito propylene oxide ndi methyl chloride. The chifukwa mankhwala ndi madzi sungunuka polima ndi wapadera rheological katundu.
Udindo wa HPMC pakutsuka mbale zamadzimadzi:
Viscosity Control: Imodzi mwa ntchito zazikulu za HPMC pakutsuka mbale zamadzimadzi ndikuwongolera kukhuthala. Zimapangitsa madziwo kusasinthasintha, kuwongolera mawonekedwe ake onse komanso kuyenda kwake. Izi ndizofunikira kuti chotsukiracho chikhalebe pamwamba ndikuchotsa bwino mafuta ndi matope.
Kukhazikika: HPMC imakulitsa kukhazikika kwa mapangidwe poletsa kupatukana kwa gawo ndi mpweya. Zimathandizira kuti chinthucho chikhale chokhazikika komanso chokhazikika pakapita nthawi, ndikuwonetsetsa kuti chikugwira ntchito mosasintha.
Kuchuluka kwa thovu: Kuphatikiza pa kukhuthala kwake, HPMC imathandizanso kutulutsa thovu la zakumwa zotsuka mbale. Zimathandizira kupanga chithovu chokhazikika chomwe chimathandizira pakuyeretsa potsekera ndikuchotsa litsiro ndi zinyalala.
Kugwirizana ndi ma surfactants: Madzi otsukira mbale amakhala ndi zowonjezera, zomwe ndizofunikira pakuphwanya mafuta. HPMC n'zogwirizana ndi zosiyanasiyana surfactants, kupanga izo thickener oyenera formulations izi.
Zolinga Zachilengedwe: HPMC imatengedwa kuti ndi yochezeka komanso yotetezeka kuti igwiritsidwe ntchito pazinthu zapakhomo. Ndi biodegradable ndipo siika chiwopsezo chachikulu ku thanzi la munthu kapena chilengedwe.
Mapulogalamu ndi mapangidwe:
HPMC nthawi zambiri imawonjezedwa pakusamba kwamadzimadzi panthawi yopanga. Kuchuluka kwa HPMC ntchito zimadalira mamasukidwe akayendedwe anafuna ndi zina zofunika za mankhwala. Opanga amalingalira zinthu monga mtundu wa surfactant ndi kukhazikika, pH mlingo, ndi zolinga zonse zantchito.
Hydroxypropyl methylcellulose (HPMC) imagwira ntchito yofunika kwambiri ngati chokhuthala muzamadzimadzi ochapira mbale, ndikuwongolera kukhuthala, kukhazikika komanso kuchita thovu. Kugwirizana kwake ndi ma surfactants komanso kuyanjana ndi chilengedwe kumapangitsa kukhala chisankho chodziwika bwino pakuyeretsa m'nyumba.
Nthawi yotumiza: Jan-29-2024