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Ojiji nke cellulose ether dị oke ukwuu, mmepe akụ na ụba mba ga-akwalite mmepe nke ụlọ ọrụ cellulose ether ozugbo. Ugbu a, itinye cellulose ether na China bụ isi ihe dị na ụlọ ọrụ dịka ihe owuwu ụlọ, o...GỤKWUO»
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Ọnọdụ usoro ọrụ: (1) Ụlọ ọrụ dị n'elu Ihe ndị bụ isi achọrọ maka mmepụta nke cellulose ether gụnyere owu a nụchara anụcha (ma ọ bụ pulp osisi) na ụfọdụ ihe mgbaze kemịkalụ a na-ahụkarị, dịka propylene oxide, methyl chloride, mmiri mmiri caustic soda, caustic soda, ethylene oxide, toluene na ...GỤKWUO»
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Site na iji cellulose dị ka ihe eji emepụta ihe, e ji usoro nzọụkwụ abụọ kwadebe CMC-Na. Nke mbụ bụ usoro alkalization nke cellulose. Cellulose na-emeghachi omume na sodium hydroxide iji mepụta alkali cellulose, mgbe ahụ alkali cellulose na-emeghachi omume na chloroacetic acid iji mepụta CMC-Na, nke a na-akpọ e...GỤKWUO»
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Ndabere na Nchịkọta Ihe Cellulose ether bụ ihe kemịkalụ dị mma nke e ji polymer mee nke e ji polymer cellulose eke mee site na ọgwụgwọ kemịkalụ. Mgbe emechara cellulose nitrate na cellulose acetate na narị afọ nke 19, ndị na-emepụta kemịkalụ emepụtala usoro ihe ndị sitere na cellulose nke...GỤKWUO»
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N'ụlọ ọrụ ọgwụ, enwere ike iji hypromellose (HPMC, METHOCEL™) dị ka ihe na-emeju ihe, ihe na-ejikọ ihe, polima mkpuchi mbadamba na ihe na-enye isi iji chịkwaa mwepụta ọgwụ. Ejirila Hypromellose na mbadamba ihe karịrị afọ 60 ma ọ bụ ihe na-enye isi ihe eji eme ihe nke ukwuu na mbadamba ihe na-enye isi ...GỤKWUO»
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Hydroxyethyl cellulose bụ ihe dị mkpa sitere na cellulose. N'ihi uru dị na ọtụtụ ihe eji emepụta ihe, mmeghari ohuru, ihe na-emebi emebi, ihe na-adịghị egbu egbu, ezigbo biocompatibility, na nnukwu mkpụrụ, nnyocha na ojiji ya adọtala ọtụtụ mmasị. Uru viscosity dị oke mkpa kwa...GỤKWUO»
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Kedu ihe dị iche iche nke cellulose dị iche iche nwere na plasta nke Paris? Enwere ike iji carboxymethyl cellulose na methyl cellulose mee ihe dị ka ihe na-ejide mmiri maka plasta, mana mmetụta nke carboxymethyl cellulose dị ala karịa nke methyl cellulose, na carboxymethyl ce...GỤKWUO»
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Cellulose bụ polysaccharide nke na-emepụta ọtụtụ ethers na-agbaze mmiri. Ihe ndị na-eme ka cellulose sie ike bụ polima ndị na-agbaze mmiri na-abụghị ionic. Akụkọ ojiji ya dị ogologo, ihe karịrị afọ 30, e nwekwara ọtụtụ ụdị. A ka na-eji ha eme ihe n'ihe fọrọ nke nta ka ọ bụrụ agba latex niile ma bụrụ ihe ndị na-eme ka ihe dị arọ...GỤKWUO»
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Kedu mmetụta nke nha isi na hydroxypropyl methylcellulose: Nchikota nke hydroxypropyl methylcellulose: Jiri lye gwọọ cellulose owu a nụchara anụcha na 35-40°C ruo ọkara awa, pịa ya, gwerie cellulose ahụ, ma mee ka ọ dị mma na 35°C, ka nkezi ọkwa nke polymerization nke enwetara...GỤKWUO»
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Ka anyị kwuo maka hydroxypropyl methyl cellulose HPMC na otu esi atụ viscosity ya. viscosity ebe a na-ezo aka na viscosity doro anya, nke bụ ntụaka dị mkpa maka hydroxypropyl methyl cellulose. Ọkọlọtọ. Ụzọ ndị a na-ejikarị atụ bụ nha viscosity ntụgharị, capill...GỤKWUO»
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N'imepụta ihe owuwu ụlọ, ọkachasị ngwa agha ntụ ntụ kpọrọ nkụ, cellulose ether na-arụ ọrụ dị mkpa, ọkachasị n'imepụta ngwa agha pụrụ iche (ngwa agha agbanwere agbanwe), ọ bụ ihe dị mkpa. Ọrụ dị mkpa nke cellulose ether nke na-agbaze mmiri na ngwa agha bụ ọkachasị mmiri ya dị mma...GỤKWUO»
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Cellulose bụ isi ihe dị na mgbidi mkpụrụ osisi, ọ bụkwa polysaccharide kachasị kesaa ma baa ụba n'okike, na-eme ihe karịrị 50% nke ihe dị na carbon dị n'alaeze osisi. N'ime ha, ihe dị na cellulose dị na owu dị ihe dị ka 100%, nke bụ celery kachasị ọcha...GỤKWUO»