HydroxyPropyl methylcellose (HPMC) inzvimbo yezvinhu zvakasiyana inoshandiswa kuyambuka maindasitiri akasiyana siyana ezvivakwa zvaro zvakasarudzika. Kubva pakuvakwa kune mishonga yemishonga, chikafu kune cosmetics, hpmc inowana chikumbiro charo mune yakawandisa zvigadzirwa.
1. Chemical kuumbwa uye chimiro
HPMC ndeye semi-synthetic, inert, uye yemvura-yakadzika polymer yakatorwa kubva ku cellulose. Chemical, iyo yakaumbwa ne cellulose backbone inotsiva neese nzira (-Och3) uye hydroxypropyl (-Och2ch (oh) ch3) mapoka. Iyo degree rekutsiva kwemapoka aya inosarudza zvivakwa uye kuita kweHPMC. Maitiro ekutsiva anokwidziridza iyo solubility yemvura uye humwe hunhu hwaunoda, uchiita kuti zviite zvakaringana zvekushandisa zvakasiyana.
2. Rheological Properties
Chimwe chezvikonzero zvakakosha zvekushandisa HPMC iri munzvimbo yayo yakasarudzika yezviratidzo. HPMC Solutions inoratidzira isiri-Newtic maitiro, inoratidza pseudoplastic kana shear-yakaonda hunhu. Izvi zvinoreva kuti viscosity inoderera nekuwedzera shear chiyero, kubvumira kuve nyore kushandisa uye kugadzirisa. Maitiro ekunyepedzera akadaro anobatsira mumaindasitiri sekuvaka, uko kunoshandiswa seyekuita mumiriri mune zvemasangano mune zvekushandisa, kupa kuvandudzwa kwakavandudzwa uye kuderedza kusimuka.
3. Kuchengeta mvura
HPMC inounza yakakwira mvura yekuchengetedza mukana nekuda kweiyo hydrophilic mamiriro. Ichi chivakwa chakakosha mukushandisa uko kudzora kwakakosha kwakakosha, kwakadai sekusvibiswa-kwakavakirwa mauto uye majenji. Nekuita Mvura mukati meMatrix, HPMC inovimbisa kuti hydration yakakodzera yemasimendi zvikamu, zvichikonzera kusimudzira simba rekusimudzira, yakaderedzwa shrinkage, uye yakavandudzwa kugadzwa kwechigadzirwa chekupedzisira.
4. Film formation
Pamusoro pebasa rayo sekuremerwa uye kwemvura-inochengetedza mumiririri, HPMC inogona kuumba mafirimu akajeka uye anochinjika kana akaomeswa. Ichi chivakwa chinowana chinoshandiswa mumaindasitiri senge mishonga uye cosmetics, uko hpmc inobatira seyekugadzira-firimu mumatanda emapiritsi, anodzorwa-anosunungura matrices, uye mafomu epamusoro. Kugona kwefirimu-kugadzira HPMC kunobatsira kukwikwidza kukwikwidza, kuchengetedzwa, uye kudzorwa kwekudzorwa kwezvinhu zvinoshanda muzvigadzirwa zvakadai.
5. Binder uye kuomerera
HPMC inozoshandiswa zvakanyanya seinosungwa uye inonamatira mune dzakasiyana siyana application. Mune mishonga, inoshanda seyakagadzirwa mune mafomu ekugadzira piritsi, kubatsira mukuenzaniswa kwe phepani mumabhegi ekubatanidza. Zvivakwa zvayo zvinonamatira zvinofambisa zvimisikidzo zvinosunga, kuona kutendeka kwehwendefa uye kusatenda. Zvakafanana
6. Kudzoserwa Kuburitswa
Kugona kweHPMC kudzora kusunungurwa kwezvinhu zvinoshanda zvinongedzo zvinoita kuti zvisakwaniswe mukuumbwa kwemishonga uye ekurima. Nekunyudza iyo polymer yekusimbisa, suremu, uye degree rekutsiva, kusunungurwa kwemishonga yezvinodhaka kana agrochemicals inogona kuve yakagadziriswa kuti izorore kana mishonga yekukanganisa. Iyi inodzorwa inosunungura michina inovimbisa kwenguva refu, yakaderedzwa doosing frequency, uye yakavandudzwa kushanda kwemakomisheni anoshanda.
7. Kugadzikana uye kuwirirana
HPMC inoratidzira kugadzikana kwakanyanya uye kuwirirana neyakaenzana akasiyana mamwe mimwe madhiri anowanzoshandiswa mukuumbwa. Iyo yemakemikari inter, isiri-ionic, uye inoenderana nezvinhu zvese zvemuenzaniso uye zvisikwa zvinhu. Izvi zvinoita kuti ive sarudzo yaunosarudza kutsvaga mafungire anotsvaga akagadzikana uye homogeneous mafomu mune mishonga, zvigadzirwa zvekudya, zvinhu zvekutarisira pachako, uye maindasitiri ekushandisa.
8. Kuchengetedza uye Kubvumidzwa Kubvumidzwa
Chimwe chinhu chakakosha chinotyaira kushandiswa kwakapararira kweHPMC ndiyo yekuchengetedza chimiro uye yekudzora kubvumidzwa kwekushandiswa kwakasiyana siyana. HPMC inowanzoonekwa seyakachengeteka (gras) nevematare ekudzora akadai seUS chikafu cheUS uye zvinodhaka Izvo hazvisi zvepfu, zvisiri-zvinotsamwisa, uye zvibikeble, zvichiita kuti zvive zvakakodzera kushandiswa mumuromo, zvepamusoro, uye zvevabereki mishonga, uye mune zvekudya uye zvikafu zvinogadzirwa.
9. Kuedza
Zvichida chimwe chezvikonzero zvikuru zvekumanikidza zvekuzivikanwa kweHPMC ndeyekuita kwayo. Yayo dzakasiyana siyana dzezvivakwa dzinoita kuti ishandiswe yayo kuyambuka maindasitiri akawanda uye maapplication. Kushandura rheology yezvinyorwa zveindasitiri kuti uwedzere kuita kwejasi reganda, HPMC inopa mhinduro kune makumi ezviuru zvezvikamu zvekuumbwa. Shanduko yayo kumamiriro ezvinhu akasiyana ekugadzirisa uye kuwirirana nezvinhu zvakasiyana-siyana zvinoita sarudzo yakasarudzika yemifananidzo inotsvaga yakavimbika uye yakawanda yekuwedzera.
HydroxyPropyl methylcellose (HPMC) ndeye polymer yakawedzera iyo inokonzeresa kushandiswa kwayo kwakasanganiswa kune zvakasarudzika zvivakwa uye zvinoshandiswa zvinoshamisa. Kubva pamidziyo yayo yezvayo mune zvekugadzira kune kugona kwekugadzira mumakambani ayo mumishonga yemishonga yemishonga, HPMC inoshanda seyakavimbika yekuwedzera maindasitiri madhiri. Kuchengetedza kwayo, kugadzikana, uye kuwirirana kunosimbisa chimiro chayo seyakasarudzika sarudzo yevagadziri pasi rese. Semunhu tekinoroji inofambira mberi uye zvishandiso zvitsva zvinobuda, kukosha kweHPMC kunotarisirwa kuenderera mberi kuzokura, kutyaira uye kugona kwechigadzirwa chekuvandudza zvikamu zvakasiyana siyana.
Kutumira Nguva: Mar-26-2024