Hydroxypropyl methylcellulose HPMC imatha kusintha kwambiri momwe madzi amasungidwira mu matope. Ngati kuchuluka kwa madzi owonjezera kuli 0.02%, kuchuluka kwa madzi osungira madzi kudzawonjezeka kuchoka pa 83% kufika pa 88%; kuchuluka kwa madzi owonjezera ndi 0.2%, kuchuluka kwa madzi osungira madzi ndi 97%. Nthawi yomweyo, kuchuluka kochepa kwa HPMC kumachepetsanso kwambiri kuchuluka kwa magazi ndi kugawanika kwa matope, zomwe zikusonyeza kuti HPMC sikuti imangowonjezera kuchuluka kwa madzi osungira mu matope, komanso imathandizira kwambiri mgwirizano wa matope, zomwe zimathandiza kwambiri pakupanga bwino kwa matope.
Komabe, hydroxypropyl methylcellulose HPMC imakhudza mphamvu yopindika komanso mphamvu yopondereza ya matope. Pamene kuchuluka kwa HPMC kukuwonjezeka, mphamvu yopindika komanso mphamvu yopondereza ya matope imachepa pang'onopang'ono. Nthawi yomweyo, HPMC imatha kuwonjezera mphamvu yopondereza ya matope. Pamene kuchuluka kwa HPMC kuli kochepera 0.1%, mphamvu yopondereza ya matope imawonjezeka ndi kuchuluka kwa mlingo wa HPMC. Pamene kuchulukako kukuposa 0.1%, mphamvu yopondereza siidzawonjezeka kwambiri. Hydroxypropyl Methyl
Cellulose HPMC imawonjezeranso mphamvu ya chomangira cha matope. 0.2% HPMC inawonjezera mphamvu ya chomangira cha matope kuchoka pa 0.72 MPa kufika pa 1.16 MPa.
Kafukufuku wasonyeza kuti HPMC ikhoza kukulitsa nthawi yotsegulira matope, kotero kuti kuchuluka kwa matope omwe akugwa kumachepa kwambiri, zomwe zimathandiza kwambiri pakupanga matailosi omangira. HPMC ikapanda kusakanikirana, mphamvu ya matope imachepa kuchoka pa 0.72 MPa kufika pa 0.54 MPa patatha mphindi 20, ndipo mphamvu ya matope okhala ndi 0.05% ndi 0.1% HPMC idzakhala 0.8 MPa ndi 0.84 MPa patatha mphindi 20. HPMC ikapanda kusakanikirana, kutsetsereka kwa matope ndi 5.5mm. Ndi kuwonjezeka kwa kuchuluka kwa HPMC, kutsetsereka kudzachepa nthawi zonse. Mlingo ukakhala 0.2%, kutsetsereka kwa matope kumachepa kufika pa 2.1mm.
Nthawi yotumizira: Mar-03-2022