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Kugwiritsa ntchito etha ya cellulose ndi kwakukulu kwambiri, ndipo chitukuko chonse cha chuma cha dziko chidzayendetsa mwachindunji chitukuko cha makampani a etha ya cellulose. Pakadali pano, kugwiritsa ntchito etha ya cellulose ku China makamaka kumayendetsedwa m'mafakitale monga zipangizo zomangira, ...Werengani zambiri»
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Mkhalidwe wa unyolo wamakampani: (1) Makampani Okwera Zinthu zofunika kwambiri popanga cellulose ether ndi thonje loyengedwa (kapena zamkati zamatabwa) ndi zinthu zina zodziwika bwino monga propylene oxide, methyl chloride, madzi a caustic soda, caustic soda, ethylene oxide, toluene ndi ...Werengani zambiri»
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Pogwiritsa ntchito cellulose ngati zopangira, CMC-Na idakonzedwa m'njira ziwiri. Yoyamba ndi njira ya alkalizing ya cellulose. Cellulose imagwira ntchito ndi sodium hydroxide kuti ipange alkali cellulose, kenako alkali cellulose imagwira ntchito ndi chloroacetic acid kuti ipange CMC-Na, yomwe imatchedwa e...Werengani zambiri»
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Mbiri ndi Chidule Cellulose ether ndi mankhwala opangidwa ndi polymer cellulose achilengedwe pogwiritsa ntchito mankhwala. Pambuyo popanga cellulose nitrate ndi cellulose acetate m'zaka za m'ma 1800, akatswiri a zamankhwala apanga zinthu zingapo zotumphukira ku cellulose ...Werengani zambiri»
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Mu makampani opanga mankhwala, hypromellose (HPMC, METHOCEL™) ingagwiritsidwe ntchito ngati filler, binder, tablet coating polymer ndi key excipient kuti ichepetse kutulutsidwa kwa mankhwala. Hypromellose yakhala ikugwiritsidwa ntchito m'mapiritsi kwa zaka zoposa 60 ndipo ndi key excipient yomwe imagwiritsidwa ntchito kwambiri m'mapiritsi a hydrophilic gel matrix. Ma p...Werengani zambiri»
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Hydroxyethyl cellulose ndi chinthu chofunikira kwambiri chochokera ku cellulose. Chifukwa cha ubwino wa zinthu zopangira zambiri, zongowonjezedwanso, zowola, zopanda poizoni, zogwirizana bwino ndi zinthu zina, komanso zokolola zambiri, kafukufuku ndi kagwiritsidwe ntchito kake zakopa chidwi cha anthu ambiri. . Kukhuthala kwa kukhuthala ndikofunikira kwambiri pa...Werengani zambiri»
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Kodi zotsatira zosiyanasiyana za cellulose zosiyanasiyana pa pulasitala wa Paris ndi ziti? Carboxymethyl cellulose ndi methyl cellulose zonse zingagwiritsidwe ntchito ngati zosungira madzi pa pulasitala, koma mphamvu yosungira madzi ya carboxymethyl cellulose ndi yotsika kwambiri kuposa ya methyl cellulose, ndi carboxymethyl ce...Werengani zambiri»
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Cellulose ndi polysaccharide yomwe imapanga mitundu yosiyanasiyana ya ma ether osungunuka m'madzi. Ma cellulose thickeners ndi ma polima osungunuka m'madzi omwe si a ionic. Mbiri yake yogwiritsidwa ntchito ndi yayitali kwambiri, zaka zoposa 30, ndipo pali mitundu yambiri. Amagwiritsidwabe ntchito mu utoto wonse wa latex ndipo ndi omwe amagwiritsidwa ntchito kwambiri mu ma thickeners...Werengani zambiri»
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Kodi zotsatira za kukula kwa fungo pa hydroxypropyl methylcellulose ndi ziti? Kupanga hydroxypropyl methylcellulose: Thirani cellulose yoyengedwa bwino ndi thonje pa 35-40°C kwa theka la ola, kanikizani, phwanyani cellulose, ndikukalamba bwino pa 35°C, kuti pakhale kuchuluka kwa polymerization ya...Werengani zambiri»
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Tiyeni tikambirane za hydroxypropyl methyl cellulose HPMC ndi momwe tingayezerere kukhuthala kwake. Kukhuthala kumeneku kukutanthauza kukhuthala komwe kumawonekera, komwe ndi chizindikiro chofunikira cha hydroxypropyl methyl cellulose. Standard. Njira zoyezera zachizolowezi ndi kuyeza kukhuthala kozungulira, capill...Werengani zambiri»
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Pakupanga zipangizo zomangira, makamaka matope ouma, cellulose ether imagwira ntchito yofunika kwambiri, makamaka pakupanga matope apadera (matope osinthidwa), ndi gawo lofunika kwambiri. Ntchito yofunika kwambiri ya ether ya cellulose yosungunuka m'madzi mu matope ndi mphamvu yake yabwino kwambiri...Werengani zambiri»
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Cellulose ndiye gawo lalikulu la makoma a maselo a zomera, ndipo ndiye polysaccharide yofalikira kwambiri komanso yochuluka kwambiri m'chilengedwe, yomwe imapanga zoposa 50% ya kaboni mu ufumu wa zomera. Pakati pawo, kuchuluka kwa cellulose mu thonje kuli pafupifupi 100%, komwe ndi chinthu chachilengedwe choyera kwambiri...Werengani zambiri»