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01. Musiyano uripo pakati pehydroxypropyl methyl yenhema nehydroxypropyl methyl yemhando yepamusoro Chitarisiko: Starch yakachena HPCM inoita kunge yakabatana zvakanyanya, iri pakati pe0.3 ne0.4 g/ml. Amylum inobatanidza starch saka HPCM imvura uye haina kushushikana zvakanyanya kupfuura zvinobvisa tsvina mumuviri. Mamiriro ezvinhu: starch yakazara starch, hpm ...Verenga zvakawanda»
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Vashandisi vazhinji havawanzo tarisa dambudziko rekupisa kwegel kwehydroxypropyl methylcellulose. Mazuva ano, hydroxypropyl methylcellulose inowanzo tsanangurwa zvichienderana nekupenya kwayo, asi kune dzimwe nzvimbo dzakasarudzika uye maindasitiri akasarudzika, kupenya kwechigadzirwa chete ndiko kunoratidzwa...Verenga zvakawanda»
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Pane zvinhu zvakawanda zvinokanganisa kushandiswa kwehydroxypropyl methylcellulose HPMC muzvinhu zvekuvaka, kunyanya gypsum-based plaster, seizvi: 1 kuchengetedza mvura Hydroxypropyl methylcellulose yekuvaka inodzivirira kunyudzwa kwemvura zvakanyanya ne substrate, uye kana gyp...Verenga zvakawanda»
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Musanganiswa mumwe chete une zvipingamupinyi pakuvandudza mashandiro e gypsum slurry. Kana mashandiro e gypsum mortar achizobudirira uye achizadzisa zvinodiwa zvakasiyana, makemikari, zvinhu zvinosanganisa, zvinozadza, nezvimwe zvinhu zvakasiyana-siyana zvinofanirwa kusanganiswa uye...Verenga zvakawanda»
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Hydroxypropyl methylcellulose – masonry mortar Wedzera kunamira pamusoro pemasonry, uye wedzera kuchengetedza mvura, kuitira kuti simba remortar rigone kuvandudzwa. Kunatswa kwemafuta uye plasticity kwakavandudzwa kuti zvishandiswe zviri nani, zviri nyore kushandisa zvinochengetedza nguva uye zvinovandudza...Verenga zvakawanda»
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Cellulose hydroxypropyl methyl ether inogadzirwa kubva ku cotton cellulose yakachena kwazvo kuburikidza ne special etherification pasi pe alkaline conditions. mhedzisiro: 1. Indasitiri yekuvaka: Senzira yekuchengetedza mvura uye inodzoreredza simende, inogona kuita kuti simbi ipombe. Mu plaster, gypsum, putty powder kana...Verenga zvakawanda»
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1. Kupisa kwejeli (0.2% solution) 50-90°C. 2. Inonyungudika mumvura uye polar c yakawanda uye chikamu chakakodzera cheethanol/mvura, propanol/mvura, dichloroethane, nezvimwewo, isinganyungudike mu ether, acetone, absolute ethanol, uye inokura kuita clear kana turbid zvishoma mumvura inotonhora colloidal solution. Mvura ...Verenga zvakawanda»
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MC imethyl cellulose, iyo inogadzirwa ne cellulose ether nekushandisa donje rakanatswa nealkali, uchishandisa methane chloride se etherification agent, uye ichipinda muzviitiko zvakasiyana-siyana. Kazhinji, mwero wekutsiva i1.6~2.0, uye kunyungudika kwakasiyanawo nemadhigirii akasiyana e...Verenga zvakawanda»
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Hydroxypropyl methylcellulose yemhando yemakemikari yezuva nezuva ipolymer yakagadzirwa kubva kumakotoni echisikigo ecellulose kuburikidza nekuchinja kwe etherification. Cellulose ether inobva mu cellulose yechisikigo. Kugadzirwa kwe cellulose ether kwakasiyana nemapolymer ekugadzira. Yakanyanya kukosha...Verenga zvakawanda»
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Kuwedzera hydroxypropyl methylcellulose kugadzira putty powder, viscosity yayo haisi nyore kuiisa yakakura, yakakura zvikuru inokonzera kusashanda zvakanaka, saka hydroxypropyl methylcellulose inoda viscosity yakawanda sei yeputty powder? Ngationgororei kuti munhu wese awane. Zvakanaka kuwedzera hydroxypropyl methylc...Verenga zvakawanda»
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Mu cement mortar ne gypsum-based slurry, hydroxypropyl methylcellulose inonyanya kuita basa rekuchengetedza mvura nekukora, uye inogona kuvandudza zvinobudirira kunamira uye kuramba kudonha kwe slurry. Zvinhu zvakaita sekupisa kwemhepo, tembiricha uye kumhanya kwekumanikidzwa kwemhepo zvinokanganisa kushanduka...Verenga zvakawanda»
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1. Matambudziko anowanzoitika muupfu hweputty Kuomesa nekukurumidza: Izvi zvinonyanya kukonzerwa nehuwandu hweupfu hwecalcium ye lime hunowedzerwa (hwakanyanya kukura, huwandu hweupfu hwecalcium ye lime hunoshandiswa mufomura yeputty hunogona kuderedzwa zvakakodzera) hune chekuita nehuwandu hwekuchengetedza mvura ye fiber, uye hune chekuitawo ne dry...Verenga zvakawanda»