Hydroxypropyl Methylcellulose (HPMC)imhando ye semi-synthetic cellulose derivative inoshandiswa zvakanyanya mumishonga, chikafu, kuvaka uye zvizoro. Mu shampoo formula, HPMC, sechinhu chinowedzera mabasa akawanda, inonyanya kuita basa rekukora, kugadzira firimu, kunyorovesa, kudzikamisa fomura uye kuvandudza ruzivo rwemushandisi.
1. Kukora uye kurongeka kwe rheological: kugadzirisa magadzirirwo uye kunzwa kwe shampoo
Kusviba kweshampoo kunokanganisa zvakananga ruzivo rwemutengi. Kana magadzirirwo acho akatetepa, anogona kukonzera kudururwa zvakanyanya kana kupararira kusina kuenzana; kana yakanyanya kusviba, zvinonetsa kuisa zvakaenzana. HPMC ipolymer inonyungudika mumvura. Mushure mekunge cheni yayo yemamorekuru yatambanudzwa mumvura, inoumba chimiro chenetwork chine mativi matatu, icho chinowedzera zvakanyanya kusviba kwesystem kuburikidza nekupindirana kwemuviri uye kubatana kwehydrogen.
Kudzora viscosity nemazvo
Kukora kweHPMC kwakabatana zvakanyanya nehuwandu hwekutsiva (chiyero chehydroxypropyl ne methoxy groups), huremu hwemamorekuru uye huwandu hwemhinduro. Semuenzaniso, HPMC yakatsiviwa zvakanyanya (yakadai seHPMC K100M) inogona kupa kugona kwakasimba kwekukora, nepo mamodheru ane viscosity shoma (yakadai seHPMC E5) akakodzera kukora kushoma. Vagadziri vemaformula vanogona kusarudza mamodheru nenzira inochinjika zvichienderana nechimiro chavanoda (gel, emulsion, nezvimwewo).
Hunhu hwekutetepa kweganda
Kana vatengi vakadzvanya bhodhoro, kusimba kweshambuu yakakora yeHPMC kunodzikira kwenguva pfupi nekuda kwesimba rekuchekerera, zvichiita kuti zvive nyore kudurura; kana yamira, inodzorera kusimba kwayo kwekutanga kudzivirira kupatsanurwa panguva yekuichengeta. "thixotropy" iyi inoita kuti zvive nyore kushandisa.
2. Kugadzirwa kwemafirimu nekutarisira bvudzi: Kuvaka chidziviriro chebvudzi
Hunhu hweHPMC pakugadzira firimu ndiyo mukana wayo mukuru unoisiyanisa nezvinogocha zvakajairika. Zvisungo zvehydroxyl ne ether mumamorekuru ayo zvinogona kugadzira zvisungo zvehydrogen ne hair keratin kuti zvigadzire firimu rinoonekera uye rinochinjika pamusoro pebvudzi.
Deredza kukuvara kwemuchina
Munguva yekushambidza bvudzi, makwati ebvudzi anowanzo kukotama nekuda kwekukweshana. Firimu reHPMC rinogona kupfavisa makwati ebvudzi uye kuderedza kukweshana panguva yekukama (zvidzidzo zvinoratidza kuti rinogona kuderedza kukweshana ne30%), nokudaro richideredza kuputsika kwebvudzi uye magetsi asingachinji.
Kukiya kwemavara uye kupenya kwechiedza
Kune vanhu vanodhaya bvudzi ravo, firimu reHPMC rinogona kunonotsa kurasikirwa kwemamorekuru epigment uye kuwedzera kugara kwenguva refu kweruvara rwebvudzi. Panguva imwe chete, jira refirimu rakafanana rinogona kuwedzera chiedza uye kuita kuti bvudzi rive nechiedza chechisikigo. Ongororo dzinoratidza kuti kuwedzera 1% HPMC mushampoo kunogona kuwedzera kupenya kwebvudzi ne15%-20%.
3. Kunyorovesa uye kugadzirisa: Kuchengetedza mwero wemvura mubvudzi
Mvura inowanikwa mubvudzi rine hutano inosvika 10%-15%. Nzira yekunyorovesa yeHPMC inosanganisira zvinhu zviviri:
Hygroscopicity
Mapoka anonyungudutsa mvura (-OH, -OCH3) ari mumorekuru anogona kubatana nehunyoro munzvimbo. Pasi pe60% yehunyoro, kunyungudika kwehunyoro hweHPMC kunogona kusvika 12%-15%, zvichibatsira bvudzi kuchengetedza hunyoro huri pakati nepakati.
Kuvhara
Firimu rinogadzirwa rinogona kuderedza kupwa kwemvura. Mushure mekuongorora, mushure mekushandisa shampoo ine HPMC, mwero wekurasikirwa nemvura kwebvudzi munzvimbo yakaoma kwemaawa masere unoderedzwa neinenge 25%.
4. Kugadzikana kwefomura: "Injiniya wezvivakwa" wehurongwa hwezvikamu zvakawanda
Mashampoo emazuva ano akawanda acho ane mafuta esilicone, zvinotorwa kubva mumiti, uye zvinhu zvakanyungudutswa (zvakadai seZPT inorwisa ganda). HPMC inowedzera kugadzikana kuburikidza nenzira dzinotevera:
Kupararira kwekumiswa
Chimiro chenetwork chinogona kutakura zvidimbu zvine density yakakura (senge ZPT density ≈ 1.8 g/cm³) kudzivirira kudonha kwemvura. Kuwedzera 0.5% HPMC kunogona kuwedzera kugadzikana kweZPT kubva pamazuva matatu kusvika kumwedzi inopfuura mitanhatu.
Rubatsiro rwe emulsification
Shandisa pamwe chete nemasurfactants kuderedza kushushikana pakati pemafuta nemvura uye kuvandudza kushanda kwe emulsification yezvikamu zve hydrophobic zvakaita se silicone oil. Zvidzidzo zvakaratidza kuti HPMC inogona kuderedza kupararira kwe particles ye emulsions kubva pa 5-50μm kusvika 1-10μm.
5. Kupfava uye kuchengetedzeka: zvinhu zvinobata ganda remusoro zvinonzwa zviri nyore
Zvichienzaniswa nezvinogocha zvechinyakare (zvakaita sema acrylic polymers), HPMC ine zvakanakira zvakakosha:
Non-ionic: hapana mhirizhonga yechaji neanionic surfactants (senge SLES)
Kushivirira pH yakakura: yakagadzikana muhuwandu hwepH hwe3-11, yakakodzera masisitimu akasiyana ekugadzira
Kuenderana kwakanyanya kwemuviri: OECD test, ganda rayo rinotsamwisa 0 (risina kutsamwisa), eye irritant index iri pasi pe3.0 (pasi pemuganhu)
6. Mienzaniso yekushandisa uye mafambiro ekugadzira zvinhu zvitsva
Fomura isina silicone: HPMC ne cationic guar gum zvinosanganiswa kuti zvitsive mafuta esilicone kuti zvive nyore. Semuenzaniso, imwe mhando yeshampoo ye "0 silicone oil" inoshandisa 1.2% HPMC + 0.5% guar gum C-14S, uye simba rekukama rinoderedzwa ne42%.
Kushanda nesimba: Shandisa hunhu hweHPMC hunobata tembiricha (tembiricha yakaderera yemhinduro inokwana 60°C) kugadzira zvigadzirwa zveshampoo zvine hungwaru zvinogona kuburitsa zvinhu zvekuchengetedza bvudzi patembiricha yemuviri.
HPMCinoita kuti pave nekuenzana pakati pekushanda uye kuchengetedzeka mushampoo. Kukosha kwayo hakungoratidzwi chete mukugadzirisa kushanda kwayo kwekutanga, asiwo kunopa mukana wekuvandudza fomura. Sezvo kuda kwevatengi "runako rwakachena" uye kujeka kwekushanda kwayo kuri kuwedzera, chinhu ichi chinobva muzvisikwa chicharamba chichiita basa guru. Mune ramangwana, kugadzirwa kwezvinobva mu zwitterionic HPMC kuburikidza nekuchinja kwemakemikari kunogona kuva nzira itsva yekuwedzera kuenderana kwayo uye kushanda kwayo.
Nguva yekutumira: Kubvumbi-16-2025