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Cellulose ether ndi polima ya molekyulu yopanda ionic yopangidwa ndi semi-synthetic, yomwe imasungunuka m'madzi komanso imasungunuka ndi zosungunulira. Imakhala ndi zotsatira zosiyanasiyana m'mafakitale osiyanasiyana. Mwachitsanzo, mu zipangizo zomangira mankhwala, imakhala ndi zotsatira zotsatirazi: ①Chosungira madzi ②Chokhuthala ③Chothandizira...Werengani zambiri»
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Hydroxypropyl methylcellulose ndi ether ya cellulose yosakhala ionic yomwe imapezeka kuchokera ku thonje loyengedwa bwino, chinthu chachilengedwe cha polima, kudzera mu njira zingapo zamakemikolo. Amagwiritsidwa ntchito makamaka mumakampani omanga: ufa wa putty wosalowa madzi, putty phala, putty wofewa, guluu wa utoto, matope opaka pulasitala...Werengani zambiri»
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1. Ufa wa putty umauma mwachangu Yankho: Izi zimagwirizana kwambiri ndi kuwonjezera calcium ya phulusa ndi kuchuluka kwa ulusi wosunga madzi, komanso zokhudzana ndi kuuma kwa khoma. 2. Ufa wa putty umasenda ndi kuzunguliza Yankho: Izi zimagwirizana ndi kuchuluka kwa madzi osunga, komwe kumakhala kosavuta kuchitika pamene ...Werengani zambiri»
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Methylcellulose (MC) Fomula ya molekyulu ya methylcellulose (MC) ndi iyi: [C6H7O2(OH)3-h(OCH3)n\]x Njira yopangira ndi kupanga cellulose ether kudzera muzochita zingapo thonje loyengedwa litakonzedwa ndi alkali, ndipo methyl chloride imagwiritsidwa ntchito ngati etherification. Kawirikawiri, degr...Werengani zambiri»
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Cellulose ether ndi polima yopangidwa kuchokera ku cellulose yachilengedwe kudzera mu kusintha kwa mankhwala. Cellulose ether ndi yochokera ku cellulose yachilengedwe. Kupanga kwa cellulose ether ndi kosiyana ndi ma polima opangidwa. Zinthu zake zofunika kwambiri ndi cellulose, mankhwala achilengedwe a polima. Chifukwa cha ...Werengani zambiri»
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Mu matope ouma, cellulose ether ndi chowonjezera chachikulu chomwe chingathandize kwambiri ntchito ya matope onyowa ndikukhudza ntchito yomanga matope. Methyl cellulose ether imagwira ntchito yosunga madzi, kukhuthala, komanso kukonza magwiridwe antchito omanga. Kusunga bwino madzi...Werengani zambiri»
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M'zaka zaposachedwa, ndi kukhazikitsidwa pang'onopang'ono kwa mfundo zoyenera zotsatirira lingaliro la chitukuko cha sayansi ndikumanga gulu lopulumutsa chuma, matope omangira a dziko langa akukumana ndi kusintha kuchokera ku matope achikhalidwe kupita ku matope osakanikirana, ndipo matope omangira osakanikirana...Werengani zambiri»
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Mtondo wouma ndi matope osakaniza ouma a polima kapena matope ouma opangidwa kale. Ndi mtundu wa simenti ndi gypsum ngati maziko akuluakulu. Malinga ndi zofunikira zosiyanasiyana za zomangamanga, zomangira ufa wouma ndi zowonjezera zimawonjezedwa muyeso winawake. Ndi matope omangira...Werengani zambiri»
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Kukhuthala ndi chinthu chofunikira kwambiri pakugwira ntchito kwa etha ya cellulose. Kawirikawiri, kukhuthala kwakukulu, mphamvu yosungira madzi ya gypsum mortar imakhala yabwino. Komabe, kukhuthala kwakukulu, kulemera kwa maselo a etha ya cellulose kumakhala kwakukulu, komanso kuchepa kofanana kwa...Werengani zambiri»
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1. Ma ether a cellulose (MC, HPMC, HEC) MC, HPMC, ndi HEC amagwiritsidwa ntchito kwambiri mu putty yomanga, utoto, matope ndi zinthu zina, makamaka posunga madzi ndi mafuta. Ndi abwino. Njira yowunikira ndi kuzindikira: Yesani magalamu 3 a MC kapena HPMC kapena HEC, ikani mu 300 ml ya madzi ndikusakaniza...Werengani zambiri»
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Mu matope osakaniza bwino, kuchuluka kwa ether ya cellulose kumakhala kochepa kwambiri, koma kumatha kusintha kwambiri magwiridwe antchito a matope onyowa, ndipo ndi chowonjezera chachikulu chomwe chimakhudza magwiridwe antchito a matope. Kusankha koyenera kwa ether ya cellulose yamitundu yosiyanasiyana, vis...Werengani zambiri»
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Cellulose ether ndi polima yopanda ionic semi-synthetic, yomwe imasungunuka m'madzi komanso imasungunuka ndi zosungunulira. Ili ndi zotsatira zosiyanasiyana m'mafakitale osiyanasiyana. Mwachitsanzo, mu zipangizo zomangira mankhwala, ili ndi zotsatira zotsatirazi: ①Chosungira madzi, ②Chokhuthala, ③Chinthu cholemeretsa, ④Filimu...Werengani zambiri»