HydroxyPropyl methylcellose (HPMC) ndeyekuti inowedzera inoshandiswa muindasitiri akasiyana siyana kusanganisira kuvaka nekuda kwenzvimbo yayo yakawanda. Mumunda wechigadzirwa chekugadzira mari, HPMC inoita basa rakakosha mukuvandudza zvivakwa zvakadai sekuita kwekuvaka, kudenha, kudzokorora kwemvura uye kupenga kuramba.
Putty chinhu chose chinoshanda chakashandiswa zvakanyanya mukuvakwa kuti uzadze marara, zviyero zvemagetsi uye zvinopa nzvimbo dzakatsiga dzemadziro nemadziro. Iko kuita kwePutty kwakakosha kuti uwane mhedzisiro yaunoda mumapurojekiti ekuvaka, saka zvinowedzera zvinoshandiswa kusimudzira zvivakwa zvayo. HydroxyPropyl methylcellose (HPMC) yave yakakosha yekuwedzera mune putty mafomu nekuda kwekugona kwayo kugadzirisa rheology, kuvandudza basa rekushanda uye kusimudzira kusimba.
1. Kuongorora kwehydroxyprupyl methylcellose (HPMC):
HPMC ndeyekubva kune cellulose, synthesised nekutsiva iyo hydroxyl mapoka emaserulose ine nzira uye hydroxyprupropyl mapoka. Iyi yemakemikari yekugadziridzwa inopa HPMC yakasarudzika zvivakwa, ichiita kuti isimbise mumvura uye inokwanisa kuumba mhinduro dzakagadzikana collodal. MuPutty Proction, HPMC zviito sedhiketi, binder, uye yemvura-yekuchengetedza mvura, ichikanganisa kutsva uye kuomesa zvivakwa zvekutya.
2.Recipe zvinyorwa:
Kubatanidza HPMC muPutty Formulations kunoda kunyatsofungisisa nezvezvinhu zvakadai seyekukura kwehukuru, zvinodiwa zvevatenzi, kugara nguva, uye kuwirirana nevamwe vanowedzera. Kusarudza iyo yakakodzera HPMC giredhi uye kusvinura kwakakosha kuti uwane iyo yakakodzera chiyero pakati pekugona kuita uye michina manhamba. Pamusoro pezvo, kubatana pakati peHPMC uye zvimwe zvinongedzo zvakadai semafirita, pigment, uye anoparadzira anofanira kuongororwa kuti ave nechokwadi chekuenderana uye gadzirisa mashandiro.
3. Chikanganiso pakubata:
Chimwe chezvakanyanya zvakanakira HPMC muPutty mafomu ekugona ndiko kuvandudza basa nekugadzirisa zvivakwa zvetsiva. HPMC inoita seanotenda, inowedzera iyo visikoka yeiyo putty paste uye kuderedza sagging kana kudonhedza panguva yekushandisa. Iyo pseudoplastic inopa mhinduro yeHPMC inowedzera kupatsanurana nekupedza kupatsanuka uye nekupedza kupedza kweiyo putty pamusoro, nekudaro inovandudza basa rakawanda uye kushanda mune dzakasiyana dzekuvaka mamiriro.
4. Kukanganisa pazvinhu zvemakanika:
Kuwedzera kweHPMC kunogona kukanganisa zvakanyanya maitiro ekutya, kusanganisira kusimba simba, simba resimba uye simba rinoshanduka-shanduka. HPMC inoumba firimu rakatetepa pamusoro peiyo filer zvimedu zvemasuru, izvo zvinoenderana nekuchinjika uye kunovandudza kufambidzana kwakabatana pakati pezvikamu. Izvi zvinowedzera kubatana mukati meiyo putty matrix uye inowedzera kuramba kupaza uye deformation. Mukuwedzera, HPMC inobatsira kuumba micrentilleture yerwiyo, nekukasira kugadzirisa michina midziyo yakadai sekumanikidza simba uye kupfeka kupokana.
5. Simbisa Kugadzwa:
Kugadzikana chinhu chakakosha kuita kwekutyisa, kunyanya mune zvekunze zvekushandisa pane kuratidzwa kwezvakatipoteredza zvinhu zvakadai sekunyorova, UV radiation uye tembiricha yekudziya kunogona kukanganisa zvinhu nekufamba kwenguva. HPMC inoda basa rakakosha mukuwedzera kusimba kwekuisa nekuvandudza kurwisa kwemvura, kuramba kwemamiriro ekunze uye kuramba kuwanda kwemicrobial. Iyo hydrophic chimiro cheHPMC inobvumira kuti irambe iri kunyorova muPutty Matrix, kudzivirira kushomeka uye kuderedza njodzi yekudzikira kwemarara. Mukuwedzera, HPMC inoumba firimu rekudzivirira pamusoro peiyo putty, iyo inotadzisa kunyorova kubva mukupinda uye makemikari kurwiswa, nekudaro nekuwedzera hupenyu hwebasa rePutty.
6. Kufungisisa kwekutsigira:
Mumakore achangopfuura, kwave nekuwedzera kufarira kukudziridza zvinhu zvine hushamwari zvekuvaka zvinodzora zvakatipoteredza. HPMC inopa akati wandei zvakanakira mune izvi, sezvazvakaitwa kubva pazvinhu zvinotsvuka uye ndeye biodegradable pasi pemamiriro akanaka. Naizvozvo ,zve, kushandiswa kweHPMC mune zvekupfeka zvinowedzera zvekushandisa zvekushandisa uye kuderedza chizvarwa chizvarwa, chichibatsira kuchengetedza simba nezviwanikwa. Nekudaro, iyo yehupenyu hwese kutenderera kweHPMC-ine putty
HydroxyPropyl methylcellose (HPMC) ndeye multifonictional fundo iyo inogona kukanganisa zvakanyanya kuita kwekuita kwekuvaka. Kugona kwaHPMC kushandura zvimiro zvakatsauka, kuvandudza basa rekushanda, kusimudzira midziyo yekugadzira uye kuvandudza madhiri anofambisa kukura kwekuvandudza kwemhando yepamusoro mafambiro akakodzera kune akasiyana siyana ezvimwe zvinodiwa zvakasiyana siyana. Nekudaro, kuita chiitiko chakakwana kunoda kuti udzidzise, kufunga nezvezvinhu zvakadai segiredhi sarudzo, zvinoenderana nezvinhu zvakatipoteredza. Kuwedzera kutsvagirwa kunodiwa kuti uongorore zvishandiso zvitsva zveHPMC mune zvekutakura zvinhu uye kero zvinobuda zvinetso mumabasa ekuvaka ekuvaka.
Kutumira Nguva: Kukadzi-22-2024