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Kushandiswa kwe cellulose ether kwakakura zvikuru, uye kukura kwehupfumi hwenyika kuchatungamira zvakananga kukura kweindasitiri ye cellulose ether. Parizvino, kushandiswa kwe cellulose ether muChina kwakanyanya kuitirwa mumaindasitiri akadai sezvinhu zvekuvaka,...Verenga zvakawanda»
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Mamiriro echeni yeindasitiri: (1) Indasitiri yepamusoro Zvinhu zvikuru zvinodiwa pakugadzira cellulose ether zvinosanganisira donje rakanatswa (kana pulp yehuni) uye zvimwe zvinonyungudutsa makemikari zvakajairika, zvakaita sepropylene oxide, methyl chloride, liquid caustic soda, caustic soda, ethylene oxide, toluene uye ...Verenga zvakawanda»
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Ichishandisa cellulose sezvinhu zvakabikwa, CMC-Na yakagadzirwa nenzira ine matanho maviri. Yekutanga inzira ye alkalization ye cellulose. Cellulose inopindirana ne sodium hydroxide kugadzira alkali cellulose, uye alkali cellulose inopindirana ne chloroacetic acid kugadzira CMC-Na, iyo inonzi e...Verenga zvakawanda»
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Nhoroondo uye Pfupiso Cellulose ether imhando yemakemikari anoshandiswa zvakanyanya epolymer yakagadzirwa nepolymer cellulose yechisikigo kuburikidza nekurapa nemakemikari. Mushure mekugadzirwa kwecellulose nitrate necellulose acetate muzana remakore rechi19, masayendisiti emakemikari akagadzira mhando dzakasiyana dzezvinhu zvinogadzirwa necellulose...Verenga zvakawanda»
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Muindasitiri yemishonga, hypromellose (HPMC, METHOCEL™) inogona kushandiswa semushonga wekuzadza, wekubatanidza, wepurasitiki yekuvhara mapiritsi uye wekuwedzera key kudzora kuburitswa kwemushonga. Hypromellose yave ichishandiswa mumapiritsi kwemakore anopfuura makumi matanhatu uye chinhu chikuru chinoshandiswa zvakanyanya mumapiritsi ehydrophilic gel matrix. Mazhinji...Verenga zvakawanda»
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Hydroxyethyl cellulose chinhu chakakosha chinobva mu cellulose. Nekuda kwekubatsira kwezvinhu zvakawanda, zvinogona kudzokororwa, zvinoora, zvisina chepfu, zvinoenderana zvakanaka nehupenyu, uye goho guru, tsvakiridzo yayo nekushandiswa kwayo zvakakwezva vanhu vakawanda. . Kukosha kwe viscosity chinhu chakakosha pa...Verenga zvakawanda»
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Ndezvipi zvakasiyana zvinokonzerwa ne cellulose yakasiyana pa plaster yeParis. Carboxymethyl cellulose ne methyl cellulose zvinogona kushandiswa sezvinhu zvinochengetedza mvura pa plaster, asi simba re carboxymethyl cellulose rekuchengetedza mvura rakaderera zvikuru pane re methyl cellulose, uye carboxymethyl ce...Verenga zvakawanda»
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Cellulose ipolysaccharide inoumba mhando dzakasiyana dzeethers dzinonyungudika mumvura. Cellulose thickeners ipolymers dzisinganyungudike mumvura. Nhoroondo yekushandiswa kwayo yakareba kwazvo, inopfuura makore makumi matatu, uye kune mhando dzakawanda. Ichiri kushandiswa munenge pendi dzese dzelatex uye ndiyo inonyanya kushandiswa mu thickeners...Verenga zvakawanda»
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Ndezvipi migumisiro yehukuru hwemunhuhwi pahydroxypropyl methylcellulose: Kugadzirwa kwehydroxypropyl methylcellulose: Isa cotton cellulose yakacheneswa ne lye pa35-40°C kwehafu yeawa, dzvanya, pwanya cellulose, uye wedzera zvakanaka pa35°C, kuitira kuti avhareji ye polymerization yeakawanikwa...Verenga zvakawanda»
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Ngatitaurei nezve hydroxypropyl methyl cellulose HPMC uye kuti tingayera sei viscosity yayo. Viscosity pano inoreva viscosity inoonekwa, inova chinhu chakakosha chinoreva hydroxypropyl methyl cellulose. Standard. Nzira dzakajairika dzekuyera ndedzekuyera viscosity inotenderera, capill...Verenga zvakawanda»
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Mukugadzirwa kwezvinhu zvekuvaka, kunyanya dry powder mortar, cellulose ether ine basa rakakosha, kunyanya mukugadzirwa kwespecial mortar (modified mortar), chinhu chakakosha. Basa rakakosha re water-soluble cellulose ether mumortar inyaya yekuti ine water-soluble wat...Verenga zvakawanda»
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Cellulose ndiyo chinhu chikuru chemadziro emasero emiti, uye ndiyo polysaccharide yakapararira zvakanyanya uye yakawanda kwazvo, ichikonzera anopfuura 50% yehuwandu hwekabhoni muumambo hwemiti. Pakati pazvo, huwandu hwe cellulose mudonje hunosvika 100%, inova ndiyo ce...Verenga zvakawanda»