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Cellulose ether hpmc ili ndi ntchito yosunga madzi ndi kukhuthala mu simenti ndi gypsum-based mortar, zomwe zingathandize bwino kumamatira ndi kukana kwa vertical slatter. Zinthu monga kutentha kwa mpweya, kutentha ndi kuthamanga kwa mpweya zimakhudza kwambiri...Werengani zambiri»
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Cellulose yomangira ndi chowonjezera chomwe chimagwiritsidwa ntchito kwambiri popanga zomangamanga. Cellulose yomangira imagwiritsidwa ntchito kwambiri mu matope ouma. Kuwonjezera kwa ether ya cellulose ndikochepa kwambiri, koma kumatha kusintha kwambiri magwiridwe antchito a matope onyowa ndikukhudza kapangidwe ka matope. Kugwira ntchito bwino...Werengani zambiri»
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Pakadali pano, mtundu wa hydroxypropyl methylcellulose yapakhomo umasiyana kwambiri, ndipo mtengo wake umasiyana kwambiri, zomwe zimapangitsa kuti makasitomala asamasankhe bwino. HPMC yosinthidwa ya kampani yakunja yomweyi ndi zotsatira za kafukufuku wazaka zambiri. Kuwonjezera zinthu zochepa kungathe...Werengani zambiri»
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Kusakaniza kosaya kwambiri, komwe kumagwira ntchito yofunika kwambiri pakukweza magwiridwe antchito omanga matope osakaniza ndi madzi, kumawononga ndalama zoposa 40% ya mtengo wa zinthu zomwe zimagwiritsidwa ntchito mu matope osakaniza ndi madzi. Zambiri mwa zinthu zomwe zimapezeka pamsika wamkati zimaperekedwa ndi opanga akunja, ndipo mlingo wofunikira wa zinthuzo...Werengani zambiri»
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Kuchuluka kwa HPMC komwe kumagwiritsidwa ntchito kumasiyana malinga ndi nyengo, kutentha, mtundu wa ufa wa calcium wa phulusa lakomweko, fomula ya ufa wa putty ndi "ubwino womwe makasitomala amafunikira". Nthawi zambiri, ndi pakati pa 4 kg ndi 5 kg. Mwachitsanzo: ufa wambiri wa putty mu B...Werengani zambiri»
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Kusiyana kwakukulu pakati pa matope osakaniza ndi matope achikhalidwe ndikuti matope osakaniza ndi matope amasinthidwa ndi mankhwala ochepa. Kuwonjezera chowonjezera chimodzi ku matope osakaniza ndi ufa kumatchedwa kusintha kwakukulu, kuwonjezera zowonjezera ziwiri kapena zingapo kumatchedwa kusintha kwachiwiri...Werengani zambiri»
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Gypsum yochotsa sulfurization ndi mpweya wotuluka womwe umapangidwa ndi kuyaka kwa mafuta okhala ndi sulfure (malasha, mafuta), zinyalala zolimba zamafakitale zomwe zimapangidwa panthawi yoyeretsa sulfurization, ndi gypsum ya hemihydrate (mankhwala a CaSO4· 0.5H2O), magwiridwe antchito ake ndi ofanana ndi a na...Werengani zambiri»
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Hydroxypropyl methylcellulose (HPMC) imagwira ntchito makamaka posunga madzi, kukhuthala ndikuwongolera magwiridwe antchito a simenti, gypsum ndi zinthu zina za ufa. Kuchita bwino kwambiri posunga madzi kumatha kuletsa ufawo kuti usaume ndi kusweka chifukwa cha madzi ambiri...Werengani zambiri»
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M'zaka zaposachedwa, ndi chitukuko chopitilira cha ukadaulo woteteza makoma akunja, kupita patsogolo kosalekeza kwa ukadaulo wopanga ma cellulose, komanso makhalidwe abwino a HPMC yokha, HPMC yakhala ikugwiritsidwa ntchito kwambiri mumakampani omanga. Pofuna kufufuza zambiri za makinawa ...Werengani zambiri»
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Dzina lachi China la HPMC ndi hydroxypropyl methylcellulose. Si ionic ndipo nthawi zambiri imagwiritsidwa ntchito ngati chosungira madzi mu matope osakanikirana ndi madzi. Ndi chinthu chosungira madzi chomwe chimagwiritsidwa ntchito kwambiri mu matope. Njira yopangira HPMC makamaka ndi chinthu cha polysaccharide chopangidwa ndi ether chomwe chimapangidwa ndi...Werengani zambiri»
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1. Mavuto omwe amapezeka mu ufa wa putty Kuumitsa mwachangu kumachitika makamaka chifukwa cha kuchuluka kwa ufa wa calcium wowonjezeredwa (wochuluka kwambiri, kuchuluka kwa ufa wa calcium wogwiritsidwa ntchito mu fomula ya putty kumatha kuchepetsedwa moyenera) kumagwirizana ndi kuchuluka kwa madzi omwe ulusi umasunga, komanso kumagwirizana ndi kuuma kwa...Werengani zambiri»
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Mu matope osakaniza okonzeka, bola ngati ether yaying'ono ya cellulose ingawongolere kwambiri magwiridwe antchito a matope onyowa, zitha kuwoneka kuti ether ya cellulose ndi chowonjezera chachikulu chomwe chimakhudza magwiridwe antchito a matope. Kusankha mitundu yosiyanasiyana, kukhuthala kosiyana, mapa...Werengani zambiri»