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Hydroxypropyl methyl celluloseHPMC inogona kuvandudza zvakanyanyakuchengetedza mvurayedhaka, uye yakaderera chipimo chehydroxypropyl methyl celluloseHPMC inogona kuvandudza zvakanyanyakuchengetedza mvurayedhaka.Kana zvirimo zviri 0.02%, iyokuchengetedza mvurachiyero chinowedzera kubva pa83% chakasimuka kusvika pa88%;apo dosage yaive 0.2%, iyokuchengetedza mvurachiyero chakasvika 97%.Panguva imwecheteyo, iyo yakaderera yemukati yeHPMC yakaderedza zvakanyanya stratification uye kubuda ropa kwedhaka, izvo zvinoratidza kuti HPMC haigone kungovandudza.kuchengetedza mvurayematope, asiwo zvakanyanya kunatsiridza iyokubatanayedhaka, iyo inobatsira zvikuru mukufanana kwemhando yekuvaka dhaka.

Hydroxypropyl methyl cellulose (1)

Zvisinei,hydroxypropyl methyl celluloseHPMC yakanga ine imwe dhigirii yehuipi hunoita pane flexural uye compressive simba redhaka.Nekuwedzera kweHPMC dosage yehydroxypropyl methyl cellulose, simba rekuchinjika uye simba rekumanikidza redhaka rakadzikira zvishoma nezvishoma.Panguva imwe,hydroxypropyl methyl celluloseHPMC inogona kuvandudzatensile simbayedhaka.Kana zvirimo zvehydroxypropyl methyl celluloseHPMC iri pasi pe0.1%, iyotensile simbayedhaka inowedzera nguva dzose nekuwedzera kweHPMC yemukati.Mushure meyero inodarika 0.1%, iyotensile simbahaina kuwedzera zvakanyanya.HPMC inogona zvakare kuwedzera zvakanyanya iyo compressive shearbond simbayedhaka.Kuwedzera 0.2% HPMC inogona kuwedzera iyobond simbayedhaka kubva ku0.72MPa.yakawedzera kusvika 1.16 MPa.

slip resistance (2)

Zvidzidzo zvakaratidza izvozvohydroxypropyl methyl celluloseHPMC inogona kurebesa zvakanyanya nguva yekuomesa yedhaka uye kuvandudza zvakanyanyaslip resistanceyedhaka, iyo inobatsira zvikuru kune tile yakagadziriswa kuvaka.Pasina HPMC, iyobond simbayedhaka mushure mekuoma kwe20min yakadzikira kubva pa0.72MPa kuenda ku0.54MPa.Mushure mekuwedzera 0.05% uye 0.1% HPMC, iyobond simbayedhaka mushure mekuoma kwe20min yaive 0.8MPa uye 0.84MPa, zvichiteerana.Kutsvedza kwedhaka pasina HPMC kwaive 5.5mm.Nekuwedzera kweHPMC zvemukati, kutsvedza kwakadzikira zvichiramba.Kana zvirimo zveHPMC zvaive 0.2%, kutsvedza kwedhaka kwakadonha kusvika 2.1mm.Kudzikiswa kwakakosha mukutsvedza kunopa vimbiso yehunyanzvi yekuvaka-yakaonda-layer senge kugadzirisa mataira.

slip resistance (1)

Pamusoro pe,hydroxypropyl methyl celluloseHPMC anogona zvinobudirira kurambidza paumbwe epurasitiki makatsemuka mudhaka, izvo zvinogona kuderedza zvakanyanya mapurasitiki kutsemuka.Kana zvirimo zveHPMC zvadzikira, iyo crack index inodzikira zvakanyanya nekuwedzera kwezviri mukati meHPMC.Kana zvirimo zveHPMC zviri 0.1% uye 0.2%, hukama hwakapwanyika indekisi yedhaka i63% ne50% zvichiteerana.Kana zvirimo zveHPMC zvinodarika 0.2%, Motar plastic cracks haichadzikisiswi zvakanyanya.

Hydroxypropyl methyl cellulose (2)


Nguva yekutumira: Jan-24-2022