1.Mtengo wa HPMClagawidwa mu nthawi yomweyo mtundu ndi kudya kubalalitsidwa mtundu.
Mtundu wobalalika wa HPMC umayikidwa ndi chilembo S, ndipo glyoxal iyenera kuwonjezeredwa panthawi yopanga.
Mtundu waposachedwa wa HPMC suwonjezera zilembo, monga "100000" amatanthauza "100000 viscosity.
2. Ndi kapena popanda S, makhalidwe ndi osiyana
Kubalalitsa mwachangu HPMC imabalalika mwachangu ikakumana ndi madzi ozizira ndikuzimiririka m'madzi. Panthawi imeneyi, madzi alibe mamasukidwe akayendedwe, chifukwa HPMC kokha omwazika m'madzi popanda kuvunda kwenikweni. Patapita mphindi ziwiri, mamasukidwe akayendedwe a madzi pang`onopang`ono ukuwonjezeka, kupanga mandala viscous Thick colloid.
Instant HPMC imatha kumwazikana mwachangu m'madzi otentha pafupifupi 70°C. Kutentha kumatsika mpaka kutentha kwina, kukhuthala kumawonekera pang'onopang'ono mpaka mawonekedwe a viscous colloid atapangidwa.
3.With kapena popanda S, cholinga ndi chosiyana
Instant HPMC ikhoza kugwiritsidwa ntchito mu putty powder ndi matope. Mu guluu wamadzimadzi, utoto ndi zinthu zotsuka, padzakhala zochitika zamagulu ndipo sizingagwiritsidwe ntchito.
Mwachangu omwazikanaMtengo wa HPMCali ndi ntchito zosiyanasiyana ndipo angagwiritsidwe ntchito putty ufa, matope, zomatira zamadzimadzi, utoto, ndi kutsuka mankhwala popanda contraindications.
4.Dissolving njira
4-1. Tengani madzi otentha ofunikira, ikani mu chidebe ndikutenthetsa pamwamba pa 80 ° C, ndipo pang'onopang'ono yonjezerani mankhwalawa moyambitsa pang'onopang'ono. Ma cellulose amayandama pamadzi poyamba, koma amamwazikana pang'onopang'ono kuti apange matope ofanana. Yankho anali utakhazikika pamene akuyambitsa.
4-2. Kapenanso, tenthetsani 1/3 kapena 2/3 ya madzi otentha pamwamba pa 85 ° C, onjezani mapadi kuti mupeze madzi otentha, kenaka yikani madzi ozizira otsalawo, pitirizani kuyambitsa, ndi kuziziritsa kusakaniza kwake.
4-3. Ukonde wa cellulose ndi wabwino kwambiri, ndipo umapezeka ngati tinthu tating'onoting'ono mu ufa wosakanikirana wofanana, ndipo umasungunuka msanga ukakumana ndi madzi kupanga kukhuthala kofunikira.
4-4. Pang'onopang'ono ndi mofanana onjezerani cellulose kutentha kwa firiji, ndipo pitirizani kuyambitsa mpaka yankho lowonekera lipangike.
5.Kodi ndi zinthu ziti zomwe zimakhudza kusungidwa kwa madzi kwa hydroxypropyl methyl cellulose?
5-1. Ma cellulose ether HPMC homogeneity
HPMC, methoxyl ndi hydroxypropoxyl zimagawidwa mofanana, ndipo kuchuluka kwa kusunga madzi ndikokwera.
5-2. Selulosi ether HPMC kutentha gel osakaniza kutentha
Kutentha kwa gel osakaniza kumapangitsa kuti madzi asapitirire; apo ayi, kutsika kwa madzi osungira madzi.
5-3. Cellulose Etere HPMC Viscosity
Pamene mamasukidwe akayendedwe a HPMC akuwonjezeka, kuchuluka kwa madzi osungirako kumawonjezekanso; pamene mamasukidwe akayendedwe akufika pamlingo wina, kuwonjezeka kwa madzi osungira madzi kumakhala kofatsa.
6.Kuwonjezera kuchuluka kwa cellulose ether HPMC
Kuchuluka kwa cellulose etherMtengo wa HPMCanawonjezera, kukwezera kuchuluka kwa madzi osungira komanso kumapangitsa kuti madzi asungidwe bwino.
Pakati pa 0.25-0.6%, kuchuluka kwa madzi osungira madzi kunakula mofulumira ndi kuwonjezeka kwa ndalama zowonjezera; pamene kuchuluka kwachulukidwe kuchulukirachulukira, kuchuluka kwa kasungidwe ka madzi kumachepa.
Nthawi yotumiza: Apr-26-2024