HPMC kapena hydroxypropyl methylcellulose ndi pawiri ntchito m'mafakitale osiyanasiyana kuphatikizapo mankhwala, zodzoladzola ndi zomangamanga.Nawa mafunso omwe amafunsidwa pafupipafupi za HPMC:
Kodi hypromellose ndi chiyani?
HPMC ndi polima opangidwa kuchokera ku cellulose, zinthu zachilengedwe zomwe zimapezeka muzomera.Amapangidwa ndi kusintha kwa cellulose ndi magulu a methyl ndi hydroxypropyl kuti apange ufa wosungunuka m'madzi.
Kodi HPMC imagwiritsidwa ntchito chiyani?
HPMC ili ndi ntchito zambiri m'mafakitale osiyanasiyana.M'makampani opanga mankhwala, amagwiritsidwa ntchito ngati binder, thickener ndi emulsifier pamapiritsi, makapisozi ndi mafuta odzola.M'makampani opanga zodzikongoletsera, amagwiritsidwa ntchito ngati thickener, emulsifier ndi stabilizer mu zonona, mafuta odzola ndi zodzoladzola.M'makampani omanga, amagwiritsidwa ntchito ngati binder, thickener ndi kusunga madzi mu simenti ndi matope.
Kodi ma HPMC ndi otetezeka?
HPMC nthawi zambiri imawonedwa ngati yotetezeka komanso yopanda poizoni.Amagwiritsidwa ntchito kwambiri m'makampani opanga mankhwala ndi zodzikongoletsera komwe chitetezo ndi chiyero ndizofunikira kwambiri.Komabe, monga ndi mankhwala aliwonse, ndikofunika kugwira HPMC mosamala ndikutsatira njira zoyenera zotetezera.
Kodi HPMC imatha kuwonongeka?
HPMC ndi biodegradable ndipo akhoza kuthyoledwa ndi njira zachilengedwe pakapita nthawi.Komabe, kuchuluka kwa biodegradation kumadalira zinthu zosiyanasiyana monga kutentha, chinyezi komanso kukhalapo kwa tizilombo toyambitsa matenda.
Kodi HPMC ingagwiritsidwe ntchito pazakudya?
HPMC siyovomerezedwa kuti igwiritsidwe ntchito muzakudya m'maiko ena, kuphatikiza United States.Komabe, amavomerezedwa ngati chowonjezera cha chakudya m'maiko ena monga Japan ndi China.Amagwiritsidwa ntchito ngati thickener ndi stabilizer mu zakudya zina, monga ayisikilimu ndi zowotcha.
Kodi HPMC imapangidwa bwanji?
HPMC amapangidwa ndi mankhwala kusintha mapadi, zinthu zachilengedwe zopezeka zomera.Cellulose imayamba kuthandizidwa ndi njira ya alkaline kuti ichotse zonyansa ndikupangitsa kuti ikhale yotakasuka.Kenako imakhudzidwa ndi kusakaniza kwa methyl chloride ndi propylene oxide kupanga HPMC.
Kodi magiredi osiyanasiyana a HPMC ndi ati?
Pali magulu angapo a HPMC, iliyonse ili ndi katundu ndi katundu wosiyana.Maphunziro amachokera pazifukwa monga kulemera kwa maselo, mlingo wolowa m'malo, ndi kutentha kwa gelation.Makalasi osiyanasiyana a HPMC amagwiritsidwa ntchito mosiyanasiyana m'mafakitale osiyanasiyana.
Kodi HPMC ingasakanizidwe ndi mankhwala ena?
HPMC akhoza blended ndi mankhwala ena kupanga katundu ndi makhalidwe osiyana.Nthawi zambiri amaphatikizidwa ndi ma polima ena monga polyvinylpyrrolidone (PVP) ndi polyethylene glycol (PEG) kuti apititse patsogolo kumanga kwake ndi kukhuthala kwake.
Kodi HPMC imasungidwa bwanji?
HPMC iyenera kusungidwa pamalo ozizira, owuma kutali ndi chinyezi komanso kuwala kwa dzuwa.Iyenera kusungidwa m'chidebe chotchinga mpweya kuti isatengeke.
Ubwino wogwiritsa ntchito HPMC ndi chiyani?
Ubwino wogwiritsa ntchito HPMC umaphatikizapo kusinthasintha kwake, kusungunuka kwamadzi, komanso kuwonongeka kwachilengedwe.Ilinso yopanda poizoni, yokhazikika, komanso yogwirizana ndi mankhwala ena ambiri.Mwa kusintha mlingo wa kulowetsedwa ndi kulemera kwa maselo, katundu wake akhoza kusinthidwa mosavuta, ndikupangitsa kuti ikhale yoyenera kwa ntchito zosiyanasiyana.
Nthawi yotumiza: Jun-19-2023