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01. Umahluko phakathi kwe-hydroxypropyl methyl yobuxoki kunye ne-hydroxypropyl methyl ekumgangatho ophezulu Inkangeleko: Isitatshi esicocekileyo i-HPCM ibonakala ifana kakhulu, phakathi kwe-0.3 kunye ne-0.4 g/ml. I-Amylum inamathela kwisitatshi ngoko ke i-HPCM lulwelo kwaye aluxinezelekanga kangako kune-detoxifiers eqhelekileyo. Iimeko: istatshi esigcwele istatshi, i-hpm ...Funda ngokugqithisileyo»
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Abasebenzisi abaninzi abasoloko benika ingqalelo kwingxaki yobushushu bejeli ye-hydroxypropyl methylcellulose. Kule mihla, i-hydroxypropyl methylcellulose ngokubanzi yahlulwa ngokwe-viscosity, kodwa kwezinye iindawo ezikhethekileyo kunye namashishini akhethekileyo, yi-viscosity kuphela yemveliso ebonakaliswayo...Funda ngokugqithisileyo»
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Kukho izinto ezininzi ezichaphazela ukusetyenziswa kwe-hydroxypropyl methylcellulose HPMC kwizixhobo zokwakha, ingakumbi iplasta esekwe kwi-gypsum, ngolu hlobo lulandelayo: 1 Ukugcinwa kwamanzi I-Hydroxypropyl methylcellulose yokwakha ithintela ukufunxwa kwamanzi ngokugqithisileyo yi-substrate, kwaye xa i-gyp...Funda ngokugqithisileyo»
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Umxube omnye unemida ekuphuculeni ukusebenza kwe-gypsum slurry. Ukuba ukusebenza kwe-gypsum mortar kuza kufezekisa iziphumo ezanelisayo kwaye kuhlangatyezwane neemfuno ezahlukeneyo zokusetyenziswa, kufuneka kudityaniswe iikhemikhali, umxube, izizalisi, kunye nezixhobo ezahlukeneyo kwaye...Funda ngokugqithisileyo»
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I-Hydroxypropyl methylcellulose – i-masonry mortar Yomeleza ukunamathela kumphezulu we-masonry, kwaye yonyusa ukugcinwa kwamanzi, ukuze amandla e-masonry aphuculwe. Ukuthamba okuphuculweyo kunye ne-plasticity ukuze kuphuculwe iipropati zokusetyenziswa, ukusetyenziswa okulula konga ixesha kwaye kuphucule...Funda ngokugqithisileyo»
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I-Cellulose hydroxypropyl methyl ether yenziwe nge-cotton cellulose ecocekileyo kakhulu ngokusebenzisa i-etherification ekhethekileyo phantsi kweemeko ze-alkaline. Isiphumo: 1. Ishishini lokwakha: Njengearhente yokugcina amanzi kunye ne-retarder yesamente mortar, ingenza i-mortar ikwazi ukupompa. Kwi-plaster, gypsum, putty powder okanye...Funda ngokugqithisileyo»
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1. Ubushushu bejeli (isisombululo se-0.2%) 50-90°C. 2. Iyanyibilika emanzini nakwindawo eninzi ye-polar c kunye nenani elifanelekileyo le-ethanol/amanzi, i-propanol/amanzi, i-dichloroethane, njl.njl., ayinyibiliki kwi-ether, i-acetone, i-ethanol epheleleyo, kwaye idumbe ibe yisisombululo se-colloidal esicacileyo okanye esinamafu kancinci emanzini abandayo. Amanzi ...Funda ngokugqithisileyo»
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I-MC yi-methyl cellulose, eyenziwe nge-cellulose ether ngokunyanga umqhaphu ocoliweyo nge-alkali, kusetyenziswa i-methane chloride njenge-etherification agent, kwaye idlula kuthotho lweempendulo. Ngokubanzi, inqanaba lokutshintshwa yi-1.6~2.0, kwaye ukunyibilika nako kwahlukile ngeedigri ezahlukeneyo...Funda ngokugqithisileyo»
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I-hydroxypropyl methylcellulose yeklasi yekhemikhali yemihla ngemihla yipolymer eyenziweyo eyenziwe ngee-linters zekotoni ze-cellulose zendalo ngokuguqulwa kwe-etherification. I-Cellulose ether sisiphumo se-cellulose yendalo. Ukuveliswa kwe-cellulose ether kwahlukile kwii-polymers zokwenziwa. Eyona nto isisiseko...Funda ngokugqithisileyo»
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Ukongeza i-hydroxypropyl methylcellulose ukwenza i-putty powder, i-viscosity yayo ayilula ukuba ibe nkulu kakhulu, inkulu kakhulu iya kubangela ukuba ingasebenzi kakuhle, ngoko ke ingakanani i-viscosity efunekayo kwi-putty powder? Masiyihlalutye ukuze wonke umntu ayiqonde. Kungcono ukongeza i-hydroxypropyl methylc...Funda ngokugqithisileyo»
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Kwi-samente mortar kunye ne-gypsum-based slurry, i-hydroxypropyl methylcellulose idlala indima yokugcina amanzi kunye nokuqina, kwaye inokuphucula ngempumelelo ukunamathela kunye nokumelana nokuwa kwe-slurry. Izinto ezifana nobushushu bomoya, ubushushu kunye nesantya soxinzelelo lomoya ziya kuchaphazela i-volatili...Funda ngokugqithisileyo»
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1. Iingxaki eziqhelekileyo kwi-putty powder Ukomisa ngokukhawuleza: Oku kungenxa yobungakanani be-lime calcium powder eyongeziweyo (inkulu kakhulu, ubungakanani be-lime calcium powder esetyenzisiweyo kwi-putty formula bunokunciphisa ngokufanelekileyo) bunxulumene nesantya sokugcina amanzi kwi-fiber, kwaye bunxulumene no...Funda ngokugqithisileyo»