Hydroxypropylmethmethycelulose (hpmc) ndi kusintha kwa cellulose, polymer achilengedwe omwe amapezeka mu makhola a cell. Ngakhale hpmc payokha sikuti ndi njira yopanda tanthauzo popeza iko kuswa manyowa, nthawi zambiri imawerengedwa kuti ndi yopanga kapena yosinthika.
A. Mawu oyambira hydroxypropyl methylcellulose:
Hydroxypropyl methylcellulose (hpmc):
Hydroxypropylmethylcellulose (hpmc) ndi wochokera ku cellulose, mzere wozungulira wopangidwa ndi mayunitsi a glucose. Cellulose ndiye gawo lalikulu la zomera za cell. HPMC imapangidwa ndi kusinthana kwa cellulose powonjezera hydroxypyl ndi magulu a methyl.
B. Kapangidwe ndi magwiridwe ake:
Kapangidwe ka 1.Chemical:
Kapangidwe ka mankhwala kwa HPMC kumakhala ndi ma cellulose oyambira kunyamula hydroxypyl ndi magulu a methyl. Ma digiri ya zolowetsa (DS) amatanthauza kuchuluka kwa hydroxypyll ndi methyl magulu a glucose pa ulalo wa cellulose mu cellulose. Kusintha kumeneku kumasintha zinthu zakuthupi ndi mankhwala a cellulose, zomwe zimapangitsa kuti HPMC imakhala ndi ma viscosing osiyanasiyana, kusungunuka ndi gel.
2.Chical katundu:
Kusungunuka: HPMC imasungunuka m'madzi ndikupanga njira zomveka bwino, ndikupangitsa kukhala njira yabwino kwambiri pankhani zosiyanasiyana kuphatikizapo mankhwala ogulitsa mankhwala, chakudya, ndi zomanga.
Ma Isccess: Makutu a HPMC Njira ya HPMC imatha kulamuliridwa ndikusintha kuchuluka kwa zolowa m'malo mwa polymer ya polymer. Katunduyu ndiwofunikira kwambiri pantchito monga mankhwala opanga mankhwala ndi zida zomanga.
3. Ntchito:
Otsatsa: hpmc nthawi zambiri amagwiritsidwa ntchito ngati thickiner mu zakudya, mankhwala opangira mankhwala, komanso zinthu zosamalira anthu.
Kupanga makanema: Imatha kupanga mafilimu ndipo imatha kugwiritsidwa ntchito pokutidwa mapiritsi ndi makapisozi, komanso zopanga mafilimu omwe amagwiritsa ntchito mitundu yambiri.
Kusunga kwamadzi: HPMC imadziwika chifukwa cha madzi ake osasunga madzi, kuthandiza kukonza kugwirira ntchito komanso hydration kwa zinthu zomanga monga zinthu zopangidwa ndi simenti.
C. Kugwiritsa ntchito HPMC:
1. Mankhwala osokoneza bongo:
Piritsi lokutidwa: hpmc imagwiritsidwa ntchito popanga ma piritsi kuti muchepetse kumasula mankhwala ndikusintha.
Kutumiza kwa Pamlomo: Kuwongolera ndi kuwongolera katundu kwa HPMC kumapangitsa kuti ikhale yoyenera pamtambo wobala zipatso.
2. Makampani opanga:
Matope ndi simenti Ogulitsa: HPMC imagwiritsidwa ntchito pomanga kuti ipititse patsogolo chitetezo chamadzi, kugwirira ntchito komanso kutsatira.
3. Makonda:
Otsatsa ndi okhazikika: HPMC imagwiritsidwa ntchito ngati thickir ndi okhazikika muzakudya kuti musinthe mawonekedwe ndi kukhazikika.
4.. Zosasamalira patokha:
Kupanga zodzikongoletsera: HPMC imaphatikizidwa ndi zodzikongoletsera zodzikongoletsera za mawonekedwe ake ndikukula.
5.Paints ndi zokutira:
Kupanga kwamadzi: mu makampani ovala zovala, hpmc amagwiritsidwa ntchito m'madzi oyambitsa madzi kuti apititsetse chiwerewere ndikupewa kukhazikika.
6. Maganizo a chilengedwe:
Pomwe hpmc palokha siwofatsa polymergrade kwathunthu, chiyambi chake chimapangitsa kuti akhale ochezeka poyerekeza ndi opanga ma polima. HPMC imatha kukhala bwino pazinthu zina, ndipo ntchito yake imagwiritsidwa ntchito popanga zinthu mokhazikika komanso biodegrade ndi gawo lofufuzira.
Hydroxypropylmethylcellulose (hpmc) ndi polymer yopanga mivi yochokera ku cellulose. Malo ake apadera amachititsa kuti kukhala ofunika m'mafakitale osiyanasiyana kuphatikiza mankhwala ogulitsa, zomanga, chakudya, chisamaliro chaumwini ndi utoto. Ngakhale si mawonekedwe oyera kwambiri a biopolymer, celluluse ndi biodergration omwe angathe kukhala nawo mogwirizana ndi zomwe zimapangitsa kuti zinthu zikhale zothandiza kwambiri m'mapulogalamu osiyanasiyana. Kafukufuku wopitilira akupitiliza kufufuza njira zomwe zingalimbikitse kuphatikizidwa kwa chilengedwe kwa HPMC ndikuwonjezera kugwiritsa ntchito kumadera achilengedwe.
Post Nthawi: Feb-07-2024