HydroxyPropyl methylcellose (HPMC) inzvimbo inowanzo shandiswa-inowanzo shandiswa polymer yakashandiswa zvakanyanya mumishonga yemishonga, cosmetics, chikafu uye kuvaka. HPMC ine mabasa ekudzora viscosity, kudzikisira emultions, kuvandudza zvivakwa zvetsiva uye zvakabatikana, saka viscosity iri kiyi paramende mukushandisa kwayo.
1. MaViscosity hunhu hweHPMC
Iyo viscosity yeHPMC yakanyatsoenderana neyakaomeswa uremu, degree rekutsiva (kureva, iyo degree rekutsiva hydroxpropropropropropropropyl uye methyl mapoka), mhinduro yekugadzirisa uye zvimwe zvinhu. Kazhinji kutaura, iyo yakakura huremu, yakakwira viscosity yeHPMC solution. Mukuwedzera, HPMC mhinduro dzakakwirira dzekutsiva dzinowanzove nekukwira viscosity nekuti degree rekutsiva rinokanganisa cheni yemanyorero
Iyo viscosity yeHPMC inowanzo kuyerwa pane imwe shear rate uchishandisa tortational parcometer. Zvichienderana nekushandiswa kweHPMC, iyo inodiwa viscosity kukosha zvakare kwakasiyana.
2. Zvinodiwa zveHPMC viscosity mune dzakasiyana zvikumbiro
Pharmaceutical munda
Muindasitiri yechechi, HPMC inowanzoshandiswa kugadzirira mapiritsi, makapu, madonhwe emaziso uye anodzora zvinodhaka. Kugadzirira mahwendefa nemakapu, HPMC inoita basa rakakosha mumitemo yekuburitswa kwezvinodhaka seyemafirimu aimbova uye akasangana.
Kudzoserwa Kuburitswa Kugadzirira: Kudzora Kuburitswa Kugadzirira zvinodhaka kunoda HPMC kuti uve neyekuita mwero viscosity. Kazhinji, zvevona yeHPMC mhinduro inofanira kudzorwa pakati pe300 ne2000 Mpafu, inobatsira kuburitswa kwakasimba uye kudzorwa kwemushonga. Kana iyo visikoity yakakwira zvakanyanya, mushonga unogona kusunungurwa zvishoma nezvishoma; Kana viscosity yakaderera kwazvo, iyo yekuburitswa yekusunungura yemushonga inogona kunge isina kugadzikana.
Kumanikidza piritsi: Munguva yehomwe yekumanikidza maitiro, iyo viscosity yeHPMC ine yakakosha pesvedzero pakugadzira piritsi uye nguva yekuparadza. Panguva ino, viscosity inofanira kunge iri pakati pe500 ne1500 mpa · spi yekuve nechokwadi chekududzira kwakanaka uye kuita kwakakodzera kwekusagadzikana.
Munda wekudya
Muindasitiri yekudya, HPMC inowanzoshandiswa seyakavharira uye emulsifier mune zvigadzirwa zvakadai semwaka, ice cream, uye inonwa michero. Zvigadzirwa zvakasiyana zvine zvinodiwa zvakasiyana kune viscosity yeHPMC:
Michero yechibereko zvinwiwa: Mumichero yemichero, iyo viscosity yeHPMC inofanira kudzorwa pakati pe50 ne 300 mpa · · · · · · · · · Yakanyanya kukwikwidza viscosity inogona kukonzera chinwiwa kuravira zvakanyanyisa, izvo zvisiri kubereka pakugamuchira kwevatengi.
Ice cream: ye ice cream, hpmc inoshandiswa kuvandudza chimiro chayo uye kusekwa. Panguva ino, kukosha kwe viscosity kunowanzoda kudzorwa pakati pe150 uye 1000 mpa · spi kuona kuti ice cream ine yakakodzera kusagadzikana uye rurimi rakanaka kunzwa.
Munda wekuvaka
Muindasitiri yekuvaka, HPMC inowanzoshandiswa pakuvaka zvinhu senge simende, gypsum uye dhaka. Basa reHPMC mune izvi zvinhu rinonyanya kukonzeresa uye kugadzirisa fluidity. Yayo viscosity renji inowanzo kuve yakafara, kazhinji 2000 kusvika 10000 MPA · ب. HPMC mune ino ruramisiro inogona kuvandudza zvinobudirira kuita kwekuvaka kwekuvaka, sekuvandudza kwekushandisa uye nekuwedzera nguva yekuvhura.
Cosmetic munda
Mumunda weCosmetic, HPMC inowanzoshandiswa mukuumbwa kwezvigadzirwa zvakadai sedzimhosva, shampoo Kunyanya kukwikwidza viscosity kunogona kukonzera kushandiswa kusiri kwechigadzirwa, kukanganisa ruzivo rwemushandisi.
3. Factors inokanganisa vhiza yeHPMC
MaElecular uremu: Iyo yakakura iyo smecular uremu hweHPMC, iyo refu iyo molecular cheni, uye yakakwira iyo viscosity yemhinduro. YeHPMC ine yakakura solecular uremu, iyo visikopa yayo yekugadzirisa pane imwe pfungwa ichave yakanyanya kukwirisa kupfuura iyo yeHPMC ine yakaderera sreek. Naizvozvo, kusarudza hpmc ine yakakodzera molecular uremu ndiyo kiyi yekudzora viscosity.
Dare rekutsiva: iyo degree rekutsiva hpmc, iro nderekutsiva kwehydroxyprupyl uye methyl, ichakanganisa viscosity yayo. Dhigirii rakakwirira rekutsiva rinowanzoita kuti HPMC mamorekuru akagadzikana, uye kudyidzana pakati pemamorkwe anowedzera, zvichikonzera kuwanda kwevisikoka.
Solution Solidation: Iko kusunganidzwa kweHPMC Soluolise ine pesvedzero yakakura pane viscosity. Pakuvhara kwakaderera, iyo visikopa yeHPMC mhinduro yakaderera; Pakunetseka kukuru, kudyidzana pakati pemaketani manyoro kunosimbiswa, uye visikoka inowedzera zvakanyanya. Naizvozvo, mune zvinoshanda zvikumbiro, viscosity yechigadzirwa chekupedzisira chinogona kudzorwa nekugadzirisa kusunganidzwa kweHPMC.
Solvent uye mamiriro ezvinhu epakatiridzira: Iyo Solubility uye visulogity yeHPMC iri zvakare zvine chekuita nemhando yerudzi rweSolvent uye mamiriro ekunze (ei ph, tembiricha, nezvimwewo). Solid solies uye akasiyana tembiricha uye ph mamiriro achachinja iyo solubility yeHPMC, nekudaro ichikanganisa zvisizvo zvemhinduro yayo.
Iyo viscosity yeHPMC ndeimwe yeakakosha parameter mukunyorera kwayo muminda dzakasiyana siyana. Muchikadzi, chikafu, chivakwa, zvidhori uye mamwe maindasitiri, iyo viscosity yeHPMC inofanira kudzorwa mukati meiyo chaiyo huwandu hwechigadzirwa zvinodiwa. Nekugadzirisa zvinhu zvakaita sehuremu hwemulecular, degree rekutsiva, kusimbisa uye solvent yeHPMC, viscosity yaro inogona kudzorwa chaizvo kuti isangane nezvinodiwa zvakasiyana. Mukurira chaiko kwekugadzira, optimizing viscosity yezvakangoita application zvinodiwa ndiyo kiyi yekuve nechokwadi chechigadzirwa hunhu uye kuita.
Kutumira Nguva: Kukadzi-19-2025