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01 I-Hydroxypropyl Methyl cellulose 1. Udaka lukasimende: Luthuthukisa ukusabalala kwesihlabathi sikasimende, luthuthukisa kakhulu ukwakheka kweplastiki kanye nokugcinwa kwamanzi kodaka, lunomthelela ekuvimbeleni imifantu, futhi luthuthukise amandla esimende. 2. Udaka lukasimende: luthuthukisa ukwakheka kweplastiki kanye nokugcinwa kwamanzi kodaka olucindezelwe...Funda kabanzi»
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1. Iyini ukusetshenziswa okuyinhloko kwe-hydroxypropyl methylcellulose (HPMC)? I-HPMC isetshenziswa kabanzi ezintweni zokwakha, ezimbozweni, ezinhlayiyeni zokwenziwa, ezitsheni zobumba, kwezokwelapha, ekudleni, ezindwangu, kwezolimo, ezimonyweni, egwayi nakwezinye izimboni. I-HPMC ingahlukaniswa ngebanga lokwakha, izinga lokudla kanye...Funda kabanzi»
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I-Hypromellose, ebizwa ngokuthi i-hydroxypropylmethylcellulose (HPMC), cishe iyi-cellulose ether esetshenziswa kakhulu etholakala ekukhiqizweni kwama-matrices e-hydrophilic. I-Hypromellose inikeza ukwethulwa komuthi ngendlela elawulwayo, ithuthukisa ngempumelelo isikhathi sokukhishwa kwe ...Funda kabanzi»
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Izici eziyinhloko ze-hydroxyethyl methyl cellulose (HEMC) yilezi: 1. Ukuncibilika: incibilika emanzini nakwezinye izinyibilikisi eziphilayo, i-HEMC ingancibilika emanzini abandayo, ukuhlushwa kwayo okuphezulu kunqunywa kuphela yi-viscosity, ukuncibilika kuyahlukahluka nge-viscosity, lapho i-viscosity iphansi, kulapho...Funda kabanzi»
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I-Cellulose Thickener, evame ukwaziwa ngokuthi i-cellulose gum, i-hydroxypropyl methyl cellulose, isetshenziswa njenge-emulsifier, i-thickener, i-suspending professional, njalo njalo, etholakala ezimonyweni. Iphinde ifakwe kuma-shampoo ezinwele, ama-toothpaste kanye nensipho ewuketshezi, ukuze kudalwe ukujwayelana kwazo okuphezulu...Funda kabanzi»
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Igama lamakhemikhali, i-Hydroxypropyl Methyl Cellulose (HPMC), i-Hydroxyethyl Methyl Cellulose (HEMC), i-Sodium Carboxymethyl cellulose (CMC), i-Hydroxyethyl cellulose (HEC), i-Hydrophobically modified HEC (HMHEC), i-Methyl cellulose (MC), i-Methyl hydroxyethyl cellulose (MHEC), i-Ethyl hydroxyethyl cellulose (EHEC), i-Hydrop...Funda kabanzi»
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Izinto zokusetshenziswa eziyinhloko ezidingekayo ekukhiqizweni kwe-cellulose ether zifaka phakathi ukotini ocolisisiwe (noma i-pulp yokhuni) kanye nezinye izinyibilikisi zamakhemikhali ezivamile, njenge-propylene oxide, i-methyl chloride, i-liquid caustic soda, i-caustic soda, i-ethylene oxide, i-toluene nezinye izinto ezisizayo. Imboni ephezulu...Funda kabanzi»
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I-sodium carboxymethyl cellulose encibilikayo emanzini, i-methyl cellulose, i-hydroxypropyl methyl cellulose, i-hydroxypropyl cellulose, i-hydroxyethyl cellulose kanye ne-ethyl cellulose encibilikayo kawoyela konke kusetshenziswa njenge-Adhesives, disintegrants, izinto zokukhulula eziqhubekayo nezilawulwayo zokulungiselela ngomlomo, ifilimu...Funda kabanzi»
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Isibonelo se-cellulose ether siyinhlanganisela ye-polymer eyenziwe nge-cellulose enesakhiwo se-ether. Indandatho ngayinye ye-glucose ku-macromolecule ye-cellulose iqukethe amaqembu amathathu e-hydroxyl, iqembu eliyinhloko le-hydroxyl ku-athomu yesithupha ye-carbon, kanye neqembu lesibili le-hydroxyl kuma-athomu e-carbon yesibili neyesithathu. I...Funda kabanzi»
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I-cellulose ether yenziwe nge-cellulose ngokusebenzisa ukusabela kwe-etherification kwe-ether eyodwa noma eziningana ze-etherification kanye nokugaya okomile. Ngokwezakhiwo zamakhemikhali ezahlukene ze-ether substituents, ama-cellulose ethers angahlukaniswa abe ama-anionic, ama-cationic kanye nama-nonionic ethers. Ionic cellulose et...Funda kabanzi»
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Isimo Semakethe ye-CMC: I-Sodium carboxymethyl cellulose ibilokhu isetshenziswa kabanzi njengento engemihle ye-electrode ekukhiqizeni ibhethri isikhathi eside, kodwa uma kuqhathaniswa nemboni yokudla nemithi, imboni yokwakha, imboni ye-petrochemical, ukukhiqizwa kwamazinyo, njll., isilinganiso se-CMC u...Funda kabanzi»
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I-Hydroxyethyl cellulose (HEC) iyi-non-ionic cellulose ether eyenziwe nge-cellulose yemvelo ye-polymer ngokusebenzisa uchungechunge lwe-etherification. Iyimpuphu emhlophe noma i-granule engenaphunga, engenambitheki, engenabuthi, engancibilikiswa emanzini abandayo ukuze yakhe isixazululo esibonakalayo esiqinile, kanye nokuncibilika...Funda kabanzi»