IHydroxypropyl methylcellulose HPMC ingathuthukisa kakhulu ukugcinwa kwamanzi odaka. Uma inani elingeziwe lingu-0.02%, izinga lokugcinwa kwamanzi lizokwenyuka lisuka ku-83% liye ku-88%; inani elingeziwe ngu-0.2 %, izinga lokugcinwa kwamanzi lingama-97%. Ngesikhathi esifanayo, inani elincane le-HPMC libuye linciphise kakhulu izinga lokuhlukaniswa nokuphuma kwegazi lodaka, okubonisa ukuthi i-HPMC ayikwazi nje ukuthuthukisa ukugcinwa kwamanzi odaka, kodwa futhi ithuthukisa kakhulu ukuhlangana kodaka, okuyinto kakhulu. kuzuzisa ukufana kwekhwalithi yokwakha udaka.
Nokho, i-hydroxypropyl methylcellulose HPMC inomthelela othile omubi emandleni aguquguqukayo namandla okucindezela odaka. Ngokukhula kwenani elingeziwe le-HPMC, amandla okuguquguquka kanye namandla okucindezela odaka kancane kancane ancipha. Ngesikhathi esifanayo, i-HPMC ingakhuphula amandla okuqina odaka. Uma inani le-HPMC lingaphansi kuka-0.1%, amandla okuqina odaka akhuphuka ngokunyuka komthamo we-HPMC. Uma inani lidlula u-0.1%, amandla okuqina ngeke anyuke kakhulu. IHydroxypropyl Methyl
I-Cellulose HPMC iphinde ikhulise amandla ebhondi odaka. I-HPMC engu-0.2% inyuse amandla ebhondi yodaka isuka ku-0.72 MPa yaya ku-1.16 MPa.
Ucwaningo luye lwabonisa ukuthi i-HPMC inganweba kakhulu isikhathi sokuvula udaka, ukuze inani lokuwa kodaka lincishiswe kakhulu, okuzuzisa kakhulu ukwakhiwa kwe-tile bonding. Uma i-HPMC ingahlanganisiwe, amandla ebhondi odaka ancipha esuka ku-0.72 MPa aya ku-0.54 MPa ngemva kwemizuzu engu-20, futhi amandla ebhondi odaka ngo-0.05% kanye no-0.1% we-HPMC azoba ngu-0.8 MPa no-0.84 MPa ngemva kwemizuzu engu-20. Uma i-HPMC ingahlanganisiwe, ukushelela kodaka ngu-5.5mm. Ngokukhula kokuqukethwe kwe-HPMC, ukushelela kuzokwehla ngokuqhubekayo. Uma umthamo ungu-0.2%, ukushelela kodaka kuyehla kube ngu-2.1mm.
Isikhathi sokuthumela: Mar-03-2022