Hydroxypropyl methylcellulose ether (HPMC) imakhala ndi madzi osungira komanso kukhuthala mumatope a simenti ndi matope opangidwa ndi gypsum, ndipo imatha kupititsa patsogolo kumamatira ndi kukana kosunthika kwa matope.
Zinthu monga kutentha kwa gasi, kutentha, ndi mphamvu ya mpweya wa gasi zimawononga kuchuluka kwa madzi a nthunzi mumatope a simenti ndi zinthu zopangidwa ndi gypsum. Choncho, chiwerengero chomwecho cha malonda a hydroxypropyl methylcellulose ether (HPMC) omwe amawonjezeredwa kuti apitirize kupezeka kwa madzi amasiyana nyengo ndi nyengo.
Mukathira konkire, zotsatira za loko yamadzi zimatha kusinthidwa molingana ndi kuchuluka kapena kuchepa kwa kuthamanga kwapamwamba. Mlingo wotsekera madzi wa hydroxypropyl methylcellulose ether pa kutentha kwakukulu ndi chizindikiro chofunikira chosiyanitsa mtundu wa hydroxypropyl methylcellulose ether.
Zapamwamba kwambiri za hydroxypropyl methylcellulose ether (HPMC) zimatha kuthana ndi vuto la kutseka kwamadzi kutentha kwambiri. M'nyengo yotentha kwambiri, makamaka m'madera otentha ndi amvula komanso nyumba zaumisiri wa chromatography, ndikofunikira kugwiritsa ntchito hydroxypropyl methylcellulose ether (HPMC) kuti muchepetse kusungunuka kwamadzi kwa slurry.
Gawo lapamwamba la hydroxypropyl methylcellulose ether (HPMC) ndilofanana kwambiri, ndipo magulu ake a methoxy ndi hydroxypropyl amagawidwa mofanana pamagulu a maselo a methyl cellulose, omwe amatha kupititsa patsogolo kupanga mamolekyu a okosijeni pa hydroxyl ndi ether bond. Kuthekera kwa ma covalent bonds kugwira ntchito.
Imatha kuwongolera kutuluka kwamadzi chifukwa cha kutentha ndikukwaniritsa zotsatira zenizeni za kutseka kwamadzi. Hydroxypropyl Methylcellulose Ether (HPMC) yapamwamba kwambiri imapezeka mumatope osakanizidwa ndi pulasitala wamisiri wa Paris.
Tinthu tating'onoting'ono tating'ono tating'ono timapangidwa kuti tipange filimu yonyowa. Madzi ochiritsira amatulutsidwa pang'onopang'ono kwa nthawi yayitali ndipo amakumana ndi zinthu zosakanikirana ndi zinthu zakuthupi ndi zinthu za collagen kuti zitsimikizidwe kuti zimagwirizanitsa mphamvu ndi mphamvu zolimba.
Choncho, m'malo omangira kutentha kwambiri m'chilimwe, kuti akwaniritse zotsatira zenizeni za kupulumutsa madzi, anthu ayenera kuwonjezera mankhwala apamwamba a hydroxypropyl methylcellulose ether (HPMC) malinga ndi Chinsinsi chachinsinsi, apo ayi adzasowa madzi chifukwa cha kusowa kwa madzi. Zinthu zamtundu wazinthu monga kulimba, kuchepa kwamphamvu, ming'alu, kuphulika kwa mpweya, ndi zina zotere zimayambitsa kuyanika kwambiri.
Izi zimawonjezeranso vuto la zomangamanga kwa ogwira ntchito. Pamene kutentha kumachepa, kuchuluka kwa hydroxypropyl methylcellulose ether (HPMC) kumachepa pang'onopang'ono kuti akwaniritse chinyezi chomwecho.
Nthawi yotumiza: Feb-06-2024