Hydroxyprupyl methylcellose (HPMC)Icho chinonyadzisira-chinonyura-chinja mvura chinoshandiswa zvakanyanya mukuvaka, mushonga, chikafu uye zvizoro. Mumamiriro ezvinhu akanyoropozverwa, kuita kweHPMC kunokanganiswa nezvinhu zvakawanda, uye hunhu hwayo hunosarudza kuchinja kwaro uye kugadzikana mune zvakasarudzika zvinoshandiswa.
1. Hygroscopicity
HPMC ndeye hydrophilic zvinhu zvine hygroscopicity yakanaka. Mumamiriro ekunze, HPMC inogona kutora zvinyoro-nyoro kubva kumhepo, iyo inonyanya kuzivikanwa kuHydroxyl yeHydroxyl uye mapoka mapoka mune yayo mapoka ma molecular. Iyi hygroscopicpicity inokonzeresa chikamu chemvura yemvura kuti aumbe pamusoro peHPMC, ichiita kuti iite kuti iite kuti ive nani lubricity uye kudedera. Ichi chivakwa chinonyanya kukosha pakuvaka zvinhu. Semuenzaniso, mune tile inonamatira uye putty poda, HPMC inogona kuvandudza maitiro ekuvaka uye kuchengetwa kwemvura kwechigadzirwa.
Nekudaro, zvakawandisa hygroscopiciticiticity inogona kukonzera matambudziko mune mamwe maapplication. Semuenzaniso, apo HPMC ichishandiswa seyakagadziriswa matrix mumapiritsi emishonga, mvura yakawandisa inogona kuchinja mishonga yekuburitsa zvinodhaka uye ichikanganisa kugadzikana kwezvinodhaka. Naizvozvo, munzvimbo ine mukurumbira, iyo nzira yekuumbwa yeHPMC inoda kutarisisa maitiro ayo hygroscopic maitiro.
2. Kugadzikana
HPMC inowanzo kuratidzira yakanaka yemakemikari kugadzikana munzvimbo dzakanyorova. Nekuda kwekushandurwa kwakakosha kwemaketari ayo moleky Nekudaro, kunyaradza kwakanyanya kunogona kuve nemhedzisiro pazvinhu zvaro zvenyama. Semuenzaniso, iyo yekunyungudika yeHPMC inogona kukurumidza, uye maitiro ayo viscosity anogona kuchinja nekuda kwekunyorova kwekunyorova.
Zvekushandisa zvekuvaka, zvakanyanyisa nzvimbo dzemukati zvinogona kukonzera iyo yemvura yekuvhotera muHPMC-yakagadziridzwa mauto kana marara ekudzikira, nekudaro uchitsvaga nguva yekuomesa yezvinyorwa. Mune zvimwe zviitiko, izvi zvinogona kunge zvakanaka nekuti inopa nguva yekuyambira kwenguva refu. Nekudaro, kunyorova kwakanyanya kunogona kukonzera kudzikisira simba mushure mekuoma kana kupwanya pamusoro.
3. Kuchengeta mvura
HPMC ine yakanakisa mvura yekuchengetwa kwenzvimbo munzvimbo dzakanyorova. Ichi chivakwa chinozviita chinongedzo chakakosha mune yekuvaka indasitiri. Semuenzaniso, mukati memadziro ekupararira maitiro, HPMC inogona kudzivirira nekukurumidza kurasikirwa kwemvura, nekudaro anovimbisa kuti duri rine nguva yakakwana yekupedzisa maitiro ekuzadzisa uye kuvandudza hunhu hwekuvaka. Munzvimbo yakanyorova, iyi mvura yekuchengetwa kwemvura inogona kuwedzeredzwa nekuti humidity mune zvakatipoteredza inopa imwe nzvimbo yekuwedzera kwemanyoro ezvinyorwa.
4. Firimu-kugadzira kugona
Kugona kwemafirimu ekugadzira HPMC kunonyanya kukosha munzvimbo dzakanyorova. Kana iyo HPMC Solution ichiratidzwa mumhepo ine humbozha hombe, huwandu hwemvura hunononoka, uchisimudzira kuumbwa kwefirimu. Iyi firimu ine kugona kwakanaka uye kupokana kwakanyanya, uye kunogona kupa zvakanakisa kupokana nekudzivirira uye kudzora kwemvura kune zvivakwa zvekuvaka. Muchikafu uye minda yemishonga, HPMC mafirimu anogona zvakare kushandiswa kuunganidza uye kuchengetedza zvinongedzo zvakashata kubva mukumanikidza kwenzvimbo dzakanyorova.
5. Optimization matanho mukushandisa
Kuti ugadzirise mashandiro eHPMC munzvimbo dzakanyorovesa, nzira dzakasiyana dzekuchemesa dzakagamuchirwa muminda yakasarudzika yekushandisa. Semuenzaniso, nekugadzirisa iyo degree rekutsiva kweHPMC, hygroscopiciticiticiticus uye maVcosity maitiro anogona kuchinjwa; Muzvivakwa zvekuvaka, kugadzikana kwayo kwekuita munzvimbo dzakanyoroveswa kunogona kuwedzeredzwa nekuwedzera pamwe nezvimwe zvinowedzera (zvakadai latex poda kana thickener).
Kuita kweHpcMunzvimbo dzakanyorovesa dzinokanganiswa nezvakawanda zvinhu. Hygroscopicity yayo, kuchengetwa kwemvura uye kugona kwemvura uye kusarudzika kwemafirimu zvinoita kuti iite kuti iite kuti isimbe kukosha kwekushandisa mumunda wekuvaka, mushonga uye chikafu. Nekudaro, nzvimbo dzakakwirira dzinonyoroveswa dzinogona kuunza mamwe matambudziko angangodaro, izvo zvinoda kugadziriswa kuburikidza neyesainzi magadzirirwo ekugadzira uye maitiro ekugadziridzwa. Nekufunda zvakadzama kudzidza maitiro eHPMC mumamiriro ezvinhu akanyorova, hunhu hwayo hunogona kuve nani kuzosangana nezvinodiwa zveminda dzakasiyana.
Kutumira Nguva: Dec-24-2024