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Ipa ti hydroxyethyl cellulose (HEC) ninu awọn aṣọ
Hydroxyethyl cellulose (HEC), funfun tabi ina ofeefee, odorless, ti kii-majele ti fibrous tabi powdery ri to, pese sile nipa etherification lenu ti ipilẹ cellulose ati ethylene oxide (tabi chlorohydrin), je ti Nonionic soluble cellulose ethers. Niwọn igba ti HEC ni awọn ohun-ini to dara ti sisanra, suspendin…Ka siwaju -
Ipa sisanra ti hydroxypropyl methylcellulose
Hydroxypropyl methylcellulose funni ni amọ tutu pẹlu iki ti o dara julọ, eyiti o le ṣe alekun agbara isunmọ laarin amọ tutu ati Layer mimọ, ati ilọsiwaju iṣẹ anti-sag ti amọ. O ti wa ni o gbajumo ni lilo ni plastering amọ, ita odi idabobo eto ati biriki b ...Ka siwaju -
Lo hydroxypropyl methylcellulose lati faramọ awọn ohun-ini kan
Hydroxypropylmethylrubicin (HPMC) jẹ ohun elo cellulosic kan, ti ko nira tabi owu ti o le ṣee lo lati tun awọn igi ti ko nira. Ṣaaju ki o to alkalization tabi alkalization ilana gbọdọ wa ni run. Ibajẹ darí le ṣe iparun igbekalẹ apapọ ti ohun elo cellulose iwe, nitorinaa idinku polymerizatio…Ka siwaju -
Iyatọ laarin hydroxypropyl methylcellulose HPMC ati methylcellulose MC
HPMC jẹ hydroxypropyl methylcellulose, eyiti o jẹ ether ti kii-ionic cellulose ti a dapọ ti a ṣe lati inu owu ti a ti tunṣe lẹhin alkalization, lilo propylene oxide ati chloride methyl bi awọn aṣoju etherification, ati nipasẹ awọn aati lẹsẹsẹ. Iwọn aropo jẹ gbogbogbo 1.2 ~ 2.0. Awọn ohun-ini rẹ jẹ ...Ka siwaju -
Cellulose Eteri
Cellulose ether ti wa ni ṣe lati cellulose nipasẹ awọn etherification lenu ti ọkan tabi pupọ etherification òjíṣẹ ati ki o gbẹ lilọ. Gẹgẹbi awọn ẹya kemikali oriṣiriṣi ti awọn aropo ether, awọn ethers cellulose le pin si anionic, cationic ati awọn ethers nonionic. Ionic cellulose ati...Ka siwaju -
Hydroxypropyl Methyl Cellulose HPMC Awọn ohun-ini
Hydroxypropyl methylcellulose HPMC jẹ iru ti kii-ionic cellulose adalu ether. Yatọ si ionic methyl carboxymethyl cellulose adalu ether, ko fesi pẹlu eru awọn irin. Nitori awọn ipin oriṣiriṣi ti akoonu methoxyl ati akoonu hydroxypropyl ninu hydroxypropyl methylcellulose ati dif...Ka siwaju -
Ohun elo ti hydroxypropyl methylcellulose ni gypsum amọ
Idanwo idanwo ohun elo ti hydroxypropyl methylcellulose: 1. Idanwo agbara: Lẹhin idanwo, orisun gypsum hydroxypropyl methylcellulose ni agbara isunmọ fifẹ to dara ati agbara titẹ. 2. Anti-sagging igbeyewo: Ko si sag nigba ti ọkan-kọja ikole ti wa ni loo ni nipọn fẹlẹfẹlẹ, ko si si sag nigbati ...Ka siwaju -
Hydroxypropyl methyl cellulose ether (HPMC) fun amọ lulú gbẹ
Orukọ Kannada ti HPMC jẹ hydroxypropyl methylcellulose. Kii ṣe ionic ati pe a maa n lo nigbagbogbo bi oluranlowo idaduro omi ni amọ-lile gbigbẹ. O jẹ ohun elo mimu omi ti o wọpọ julọ ti a lo ninu amọ. Ilana iṣelọpọ ti HPMC jẹ nipataki ọja ether ti o da lori polysaccharide ti iṣelọpọ nipasẹ…Ka siwaju -
Hydroxypropyl Methyl Cellulose Eteri (HPMC)
Awọn ẹya ara ẹrọ: ① Pẹlu idaduro omi to dara, ti o nipọn, rheology ati adhesion, o jẹ ohun elo aise akọkọ ti o yan fun imudarasi didara awọn ohun elo ile ati awọn ohun elo ọṣọ. ② Awọn lilo jakejado: nitori awọn onipò pipe, o le lo si gbogbo awọn ohun elo ile lulú. ③ Dosa kekere...Ka siwaju -
Ohun elo ti Cellulose Eteri ni Gbona Yo Extrusion Technology
Joseph Brama ṣe ilana ilana extrusion fun iṣelọpọ awọn paipu asiwaju ni opin ọdun 18th. Kii ṣe titi di aarin ọrundun 19th ni imọ-ẹrọ extrusion gbigbona ti bẹrẹ lati ṣee lo ni ile-iṣẹ pilasitik. O jẹ akọkọ ti a lo ni iṣelọpọ ti awọn aṣọ ibora polima f ...Ka siwaju -
Ilana Sintetiki Etherification ti Hydroxypropyl Methyl Cellulose (HPMC)
Hydroxypropyl methylcellulose (HPMC), aise cellulose, le ti wa ni ti refaini owu tabi igi ti ko nira, o jẹ gidigidi pataki lati fifun pa o ṣaaju ki o to alkalization tabi nigba alkalization, ati awọn crushing ni nipasẹ darí agbara Pa awọn akojọpọ be ti cellulose aise ohun elo lati din ìyí ti cr...Ka siwaju -
Hydroxypropyl methyl cellulose ether fun ikole
Awọn abuda ọja ti hydroxypropyl methylcellulose fun ikole Tiotuka ninu omi ati diẹ ninu awọn olomi Organic. Le ti wa ni tituka ni tutu omi. Ifojusi ti o pọju rẹ nikan da lori iki. Solubility yipada pẹlu iki. Isalẹ iki, ti solubi ti o tobi sii…Ka siwaju
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