Hydroxyprupyl methylcellose (HPMC)is a loluble polymer yakashongedzwa nemakemikari kugadzirisa cellulose mamorekuru. Inobatanidza zvivakwa zvechisikigo zve cellulose zvine chekuita nekasimudziro, ine yakanaka mvura yekugadzirisa uye yekugadzirisa mafirimu uye inoshandiswa zvakanyanya mumushonga, cosmetics, cosmetics, cosmetics, cosmetics, cosmetics, cosmetics, cosmetics, denderedzwa, kuvakwa, chikafu uye mamwe minda. Iyo hurukuro pamusoro pekuti iri solvent chaizvo inoda kusiyanisa zvikumbiro zvaro uye zvivakwa muminda dzakasiyana.
Chemical chimiro uye zvivakwa zve hydroxyprupyl methylcellose
HPMC yakagadzirirwa nekuunza mapoka maviri ekutsiva, hydroxypropyl (-ch2ch (oh) ch3) uye methyl (-ch3), mune glucose unit molecule. Iyo cellulose molecule pachayo izere-keteni polysaccharide yakaumbwa neye-d-glucose bonds, uye iyo hydroxyl boka (OH) rinogona kutsiviwa nemapoka emakemikari akasiyana, ayo anovandudza kwazvo zvinhu zvaro.
Munguva yeSynthesis maitiro, methylation inoita kuti cellulose mamorekuru mimwe marara, nepo hydroxyprupyproproplation inovandudza maitiro ayo emvura. Kuburikidza nekugadziridzwa maviri aya, HPMC inova polymer inogadziriswa inogona kunyungudika mumvura.
Solubility uye basa reHPMC
HPMC ine yakagwinya solubility mumvura, kunyanya mumvura inopisa. Sezvo tembiricha inosimuka, iyo yekunyorova uye solubility ichawedzera. Nekudaro, hpmc pachayo haisi ye "solvent", asi inoshandiswa sechigadzika kana solkener. Mumvura, inogona kuumba mhinduro ye collodal kuburikidza nekudyidzana nemamolekyudhi emvura, nekudaro kugadzirisa vhiza uye rheology yemhinduro.
Kunyangwe HPMC inogona kunyungudutswa mumvura, haina zvivakwa zve "solvent" mune yetsika pfungwa. Sol Solvent kazhinji zvinwiwa zvinogona kuderedza zvimwe zvinhu, senge mvura, macatoni, ketoni kana mamwe organic sol. Iko kushungurudzika kweHPMC pachayo mumvura kuri kwechinhu chinoshanda chezvinhu zvakakora, gelly uye firimu kuumbwa.
Minda yekushandisa yeHPMC
Medical munda: HPMC inowanzoshandiswa seyenzi yezvinodhaka, kunyanya mukugadzirira kwemuromo solid dosage mafomu (senge mahwendefa), anonyanya kufanana, kudenha, gomba, remufirimu uye mamwe mabasa. Zvinogona kuvandudza kusava nekukwezva kwezvinodhaka uye kunoshandiswawo mukugadzirira-kusunungurwa gadziriro kuti ubatsire kudzora kusunungurwa kwemishonga.
Cosmetic munda: HPMC inoshandiswa zvakanyanya mune zvigadzirwa zveganda zveganda, Shampoo, bvudzi mask, ziso uye mamwe ma cosmetics seyekumusoro, stabilizer uye firimu-inogadzira mumiririri. Basa rayo mune cosmetics rinonyanya kuwedzera kugadzikana uye kuumbwa kwechigadzirwa uye kuita kuti ive yakagadzikana.
Munda wekuvaka: Mune indasitiri yekuvaka, HPMC inoshandiswa seyakakwenenzverwa uye inopararira musicement, dorari yakaoma, pendi uye zvimwe zvigadzirwa. Inogona kuwedzera iyo visikopa yependi, ichivandudza kuita kwekuvaka uye kuwedzera nguva yekuvaka.
Chikafu Chekudya: HPMC inoshandiswa sechikafu chinowedzera, chinonyanya kushandiswa pakuremerwa, emblesifing uye nekuvandudza kuravira, uye zvinowanzowanikwa mune yakaderera-mafuta chikafu, makenduru uye ice cream. Uye zvakare, inogona zvakare kushandiswa kugadzirisa chimiro, kuravira uye kutsva kwechikafu.
Kushandiswa se solvent
Mune mamwe maitiro ekugadzirira okugadzirira, HPMC inogona zvakare kushandiswa seyakajairana chikamu cheiyo solvent. Semuenzaniso, muindasitiri yemishonga, iyo solubility yeHPMC inogonesa kuti ishandiswe sediki kana solubilizer mukugadzirira zvinodhaka
Mune zvimwe zvemvura-zvakavakirwa mvura,HpcInogona zvakare kushandiswa seyakagadzirwa mumiririri kuti uvandudze zvimiro zvakatsanangurwa uye kushanda kwekubatanidza, kunyangwe iyo solinen solvent mumvura inowanzo kuve yemvura kana organic solvent.
Kunyangwe HPMC inogona kunyungudika mumvura mune akawanda mashandisiro ekugadzira colloid kana mhinduro uye kuwedzera zvisizvo uye iyo iyo isingafungidzirwi solvent mune yetsika. Panzvimbo iyoyo, inowanzo shandiswa sechinhu chinoshanda senge sedhese, gelling mumiririri, uye nemumiriri wefirimu. Iyo ine huwandu hwakawanda hwekushandisa muminda dzakasiyana-siyana, kunyanya mune yemishonga, cosmetic, chikafu, uye maindasitiri ekuvaka. Naizvozvo, kana uchinzwisisa basa uye zvivakwa zveHPMC, zvinofanirwa kutariswa sechitima chemuima-soluble polymer pane solvent.
Kutumira Nguva: Mar-21-2025