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01. Kusiyana pakati pa hydroxypropyl methyl yabodza ndi hydroxypropyl methyl yapamwamba Mawonekedwe: Wowuma woyera HPCM imawoneka yofanana kwambiri, pakati pa 0.3 ndi 0.4 g/ml. Amylum imalumikizana ndi wowuma kotero HPCM ndi yamadzimadzi ndipo siimakhala ndi nkhawa kwambiri kuposa mankhwala oyeretsera poizoni wamba. Mikhalidwe: wowuma wodzaza ndi wowuma, hpm ...Werengani zambiri»
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Ogwiritsa ntchito ambiri saganizira kwambiri za vuto la kutentha kwa gel kwa hydroxypropyl methylcellulose. Masiku ano, hydroxypropyl methylcellulose nthawi zambiri imasiyanitsidwa malinga ndi kukhuthala, koma m'malo ena apadera ndi mafakitale apadera, kukhuthala kwa chinthucho kokha ndiko komwe kumawonetsa...Werengani zambiri»
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Pali zinthu zambiri zomwe zimakhudza kugwiritsa ntchito hydroxypropyl methylcellulose HPMC mu zipangizo zomangira, makamaka pulasitala yochokera ku gypsum, motere: 1 Kusunga madzi Hydroxypropyl methylcellulose yomangira imaletsa kuyamwa madzi mopitirira muyeso ndi substrate, ndipo pamene gyp...Werengani zambiri»
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Kusakaniza kamodzi kokha kuli ndi zoletsa pakukweza magwiridwe antchito a gypsum slurry. Ngati magwiridwe antchito a gypsum mortar akufuna kukwaniritsa zotsatira zabwino ndikukwaniritsa zofunikira zosiyanasiyana, mankhwala osakaniza, zodzaza, ndi zipangizo zosiyanasiyana ziyenera kuwonjezeredwa ndikuyikidwa...Werengani zambiri»
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Hydroxypropyl methylcellulose – matope omangira Limbikitsani kumatira pamwamba pa matope, ndikuwonjezera kusunga madzi, kuti mphamvu ya matopewo ikhale yabwino. Kupaka mafuta bwino komanso kusinthasintha kwabwino kuti zinthu zigwiritsidwe ntchito bwino, kugwiritsa ntchito mosavuta kumasunga nthawi ndikukonza...Werengani zambiri»
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Cellulose hydroxypropyl methyl ether imapangidwa kuchokera ku cellulose yoyera kwambiri ya thonje kudzera mu etherification yapadera pansi pa mikhalidwe ya alkaline. zotsatira: 1. Makampani omanga: Monga chosungira madzi komanso choletsa matope a simenti, imatha kupangitsa matopewo kupopedwa. Mu pulasitala, gypsum, putty powder kapena...Werengani zambiri»
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1. Kutentha kwa gel (0.2% yankho) 50-90°C. 2. Sungunuka m'madzi ndi polar c yambiri komanso gawo loyenera la ethanol/madzi, propanol/madzi, dichloroethane, ndi zina zotero, osasungunuka mu ether, acetone, absolute ethanol, ndipo amatupa kukhala clear kapena turbid pang'ono mu colloidal solution yamadzi ozizira. Madzi ...Werengani zambiri»
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MC ndi methyl cellulose, yomwe imapangidwa ndi cellulose ether pochiza thonje loyengedwa ndi alkali, pogwiritsa ntchito methane chloride ngati etherification, ndikudutsa muzochitika zingapo. Kawirikawiri, mlingo wa kusintha ndi 1.6 ~ 2.0, ndipo kusungunuka kumasiyananso ndi madigiri osiyanasiyana a...Werengani zambiri»
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Hydroxypropyl methylcellulose ya mankhwala a tsiku ndi tsiku ndi polima yopangidwa kuchokera ku thonje lachilengedwe la cellulose kudzera mu kusintha kwa etherification. Cellulose ether ndi yochokera ku cellulose yachilengedwe. Kupanga kwa cellulose ether ndi kosiyana ndi ma polima opangidwa. Ndi chinthu chofunikira kwambiri...Werengani zambiri»
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Kuonjezera hydroxypropyl methylcellulose kuti apange ufa wa putty, kukhuthala kwake sikophweka kukhala kwakukulu kwambiri, kukhuthala kwambiri kungayambitse kusagwira ntchito bwino, ndiye kodi kukhuthala kotani komwe hydroxypropyl methylcellulose imafunika pa ufa wa putty? Tiyeni tiwunikenso kwa aliyense. Ndi bwino kuwonjezera hydroxypropyl methylc...Werengani zambiri»
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Mu simenti ndi matope okhala ndi gypsum, hydroxypropyl methylcellulose imagwira ntchito makamaka posunga ndi kukhuthala kwa madzi, ndipo imatha kukonza bwino kukana kwa matope ndi kukana kutsika. Zinthu monga kutentha kwa mpweya, kutentha ndi liwiro la kuthamanga kwa mphepo zimakhudza kusinthasintha...Werengani zambiri»
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1. Mavuto omwe amapezeka mu ufa wa putty Kuuma mwachangu: Izi zimachitika makamaka chifukwa cha kuchuluka kwa ufa wa calcium wa lime womwe umawonjezeredwa (wochuluka kwambiri, kuchuluka kwa ufa wa calcium wa lime womwe umagwiritsidwa ntchito mu fomula ya putty kumatha kuchepetsedwa moyenera) kumagwirizana ndi kuchuluka kwa madzi omwe amasungidwa mu ulusi, ndipo kumagwirizananso ndi dry...Werengani zambiri»