Hydroxypylmyl nothylcellulose (hpmc) ndi polimmer yomwe imapeza ntchito zambiri m'mafakitale osiyanasiyana, kuphatikizapo zamankhwala osiyanasiyana, kuphatikiza, chakudya, zodzola.
1. Kuyambitsa kwa HPMC:
Hydroxypylropyl (HPMC) ndi yopanga, chonde, policelastic polity wochokera ku cellulose. Imapangidwa kudzera mu kusintha kwa mankhwala kwa cellulose, komwe kumaphatikizapo kusinthika kwa alkali cellulose ndi ma propyl oxide ndi methyl chloride. Zotsatira zake ndi zoyera komanso zopanda fungo, komanso ufa wopanda mafuta womwe umasungunuka m'madzi koma osakhazikika mu organic solf.
2. Kapangidwe ndi katundu:
Kapangidwe ka HPMC kumakhala ndi msana wa cellulose, polymer yachilengedwe yopangidwa ndi glucose mayunitsi olumikizidwa ndi β (1 → 4) zomangira. Ku HPMC, ena mwa magulu a hydroxyl pa mayunitsi a glucose amalowetsedwa ndi 2-hydroxypyl ndi magulu a methyl. Izi zimathandizira kuti katundu wa polimamer akuyerekeza ndi cellulose yozungulira, kupereka njira yosungunulira bwino, chidwi, ndi luso la makanema.
Mphamvu ya HPMC imasiyana ndi zinthu monga kuchuluka kwa malo olowa m'malo mwake (DS), kulemera kwa maselo, ndi kugawa kwakukulu. Nthawi zambiri, ziwonetsero za HPMC:
Katundu wabwino kwambiri wamakanema
Mafuta a Mafuta
Kuchuluka kwa madzi osungika
Kukhazikika pa Phokoso Lalikulu
Kugwirizana ndi ma polima ena ndi zowonjezera
Chikhalidwe chosakhala, chikupangitsa kuti zigwirizane ndi zosakaniza zosiyanasiyana
3.. Kaphatikizidwe wa HPMC:
Kaphatikizidwe wa HPMC imaphatikizapo njira zingapo:
Cellulose kukonzekera: Cellulose imathandizidwa ndi njira ya alkaline yopanga cellulose.
Kusintha: Alkalini cellulose amapereka ndi Propylene Oxide ndi methyl chloride kuti ayambitse hydroxypypyl ndi methyl magulu am'madzi am'madzi.
Kusambitsa ndi kuyeretsa: zotsatira zake zimatsukidwa, kulowerera, komanso kuyeretsedwa kuchotsa zosafunikira.
Kuyanika: HPMC yoyeretsedwa imawuma kuti ipeze chinthu chomaliza mu mawonekedwe a ufa.
4. Mapulogalamu a HPMC:
HPMC imapeza ntchito zofala pamakampani osiyanasiyana:
Mankhwala ogulitsa: hpmc amagwiritsidwa ntchito kwambiri ngati mankhwala ophatikizika mu zokutira za piritsi, zoletsedwa-zotulutsidwa, kukonzekera ma ophthalmic, ndi kuyimidwe. Imakhala ngati binder, Thickener, kanema wakale, komanso wosuta fodya m'njira zosiyanasiyana.
Makampani Ogulitsa Chakudya: M'mpani yopanga zakudya, hpmc imagwiritsidwa ntchito ngati thicker, stelsite, emulsifer, ndi chinyezi, mafuta, ndi zakudya. Imakhala bwino kapangidwe ka alumali, ndipo pakamwa pazakudya.
Ntchito Yomanga: HPMC ndi yofunika kwambiri popanga zida zomangira monga matope a sile, zomata za matabwa, ndi zinthu zamankhwala zopangidwa ndi gypsum. Imagwira ntchito ngati wosunga madzi, amasintha, amasintha kusalankhulira, ndikuwonjezera kutsatira zomata pomanga.
Zodzikongoletsera: HPMC imagwiritsidwa ntchito popanga zodzola komanso kusamalira payekha ngati thiccener, okhazikika, ndi othandizira makanema mu zopangidwa ngati zonona, zodzola, shampoos, ndi ma gelmpos. Imapatsa ma Isccect, imathandizira kapangidwe kake, ndipo imamveketsa bwino kwambiri.
Ntchito zina: HPMC imagwiritsidwanso ntchito posindikiza zolemba, zopepuka, zotupa, zotupa, komanso zopasula njira zingapo za mafakitale.
5.. Malingaliro amtsogolo ndi Zovuta:
Kufunikira kwa HPMC kukuyembekezeka kupitiliza kukula chifukwa chosinthana ndi ntchito zosiyanasiyana. Komabe, zovuta monga momwe mitengo yakugwirizira yaiwisi, zovuta zowongolera, ndi mpikisano kuchokera ku ma polima zimatha kusintha zamphamvu zamasika. Kuyesayesa kumangoyang'ana luso la HPMC, ndikufufuza njira zokhazikika, ndikuwonjezera ntchito zake pakubwera minda yotuluka monga biomedicinelogy.
Hydroxypropyl methylcellulose (hpmc) ndi polymer yofunika yokhala ndi ntchito zosiyanasiyana pamakampani angapo. Kapangidwe kake kake, katundu wake, ndi kapangidwe kake kamapangitsa kuti ikhale yofunika kwambiri mu mankhwala opangira mankhwala, zakudya, zinthu zomanga, zodzola zodzola, zodzola zosiyanasiyana. Popeza kuyesayesa ndi chitukuko kumapitirirabe, hpmc kumakhala kovuta kukhala wosewera wofunikira mu mafakitale a polymer, akupereka njira zatsopano zokwaniritsira zosintha zamisika.
Post Nthawi: Mar-05-2024