-
Hydroxypropyl methyl cellulose (HPMC) bụ ụdị cellulose ether na-abụghị ionic nke e ji owu polymer eke mee site na usoro ọgwụgwọ kemịkalụ. N'ime ụlọ ọrụ owuwu ụlọ, kedu ihe bụ isi eji hydroxypropyl methylcellulose eme ihe? 1, simenti moto: iji melite ogo mgbasa ájá simenti, g...GỤKWUO»
-
Dịka ihe ndị na-anọchi ya si dị, enwere ike kewaa ether cellulose n'ime otu ether na ether agwakọtara agwakọta; dịka ihe na-agbaze, enwere ike kewaa ether cellulose n'ime mmiri na-agbaze na mmiri na-anaghị agbaze. Ụzọ nhazi isi nke cellulose ether bụ ịkewa dịka ion...GỤKWUO»
-
1. Usoro nhazi na nkwadebe nke cellulose ether Foto nke 1 na-egosi nhazi nkịtị nke cellulose ethers. Nkeji bD-anhydroglucose ọ bụla (ngaji nke cellulose na-emegharị) na-anọchi otu otu na ọnọdụ C (2), C (3) na C (6), ya bụ, enwere ike ịnwe otu ether atọ. N'ihi ...GỤKWUO»
-
Isi ihe na-akpata agba odo nke elu putty na-eguzogide mmiri Mgbe emechara nnyocha ihe, ọtụtụ nnwale na ọrụ injinia, onye edemede ahụ kwenyere na isi ihe na-akpata agba odo nke elu putty na-eguzogide mmiri bụ ndị a: Ihe kpatara 1. Calcium...GỤKWUO»
-
1. Hydroxypropyl methyl cellulose Hydroxypropyl methylcellulose bụ ụdị cellulose nke mmepụta na oriri ya na-amụba ngwa ngwa. Ọ bụ ngwakọta nke cellulose na-abụghị ionic nke e ji owu a nụchara anụcha mee mgbe alkalization gasịrị, na-eji propylene oxide na methyl chloride dị ka ihe na-eme ka etherification dị, site na...GỤKWUO»
-
Ihe kacha mkpa dị na ngwọta ether cellulose bụ ihe onwunwe ya. Njirimara rheological pụrụ iche nke ọtụtụ ether cellulose na-eme ka ha bụrụ ihe a na-ejikarị eme ihe n'ọtụtụ ebe, ọmụmụ ihe gbasara ihe onwunwe rheological na-aba uru maka mmepe nke ubi ngwa ọhụrụ ma ọ bụ ihe na-adịghị mma...GỤKWUO»
-
Kedu ihe bụ àgwà nke carboxymethyl cellulose? Azịza: Carboxymethyl cellulose nwekwara ihe dị iche iche n'ihi ọkwa dị iche iche nke nnọchi ya. Ogo nke nnọchi, nke a makwaara dị ka ogo etherification, pụtara ọnụọgụ nkezi nke H na otu OH hydroxyl atọ nọchitere anya...GỤKWUO»
-
Carboxymethyl cellulose: A na-eji eriri eke (owu, wdg) eme ionic cellulose ether mgbe a gwọchara alkali, na-eji sodium monochloroacetate dị ka ihe na-eme ka etherification dị ka ihe na-eme ka etherification dị iche iche, ma na-eme usoro ọgwụgwọ mmeghachi omume. Ogo nke nnọchi anya na-abụkarị 0.4 ~ 1.4, arụmọrụ ya dịkwa oke mma...GỤKWUO»
-
Ethyl cellulose (Ethyl cellulose ether), nke a makwaara dị ka cellulose ether, nke a na-akpọ EC. Nhazi molekul na usoro nhazi: [C6H7O2(OC2H5)3] n. 1. Iji Ngwaahịa a nwere ọrụ nke njikọ, njupụta, imepụta ihe nkiri, wdg. A na-eji ya maka plastik sịntetik resin, mkpuchi, sub roba...GỤKWUO»
-
(1) Ihe mgbochi teknụzụ Ndị ahịa cellulose ether dị n'okpuru ala nwere ihe achọrọ dị elu maka ịdị mma na nkwụsi ike nke cellulose ether. Teknụzụ njikwa mma bụ ihe mgbochi teknụzụ dị mkpa na ụlọ ọrụ cellulose ether. Ndị nrụpụta kwesịrị ịma arụmọrụ nhazi nke co...GỤKWUO»
-
Kọwaa: Ihe mejupụtara nri nke gụnyere cellulose ethers. Ngalaba teknụzụ: Ihe mepụtara ugbu a metụtara ihe mejupụtara nri nke nwere cellulose ethers. Usoro ndabere: A maara ya kemgbe na ọ na-etinye cellulose ethers n'ime ihe mejupụtara nri, ọkachasị ihe mejupụtara nri a haziri ahazi, ...GỤKWUO»
-
1. Ihe ndị dị mma (1) Nkwado amụma Dịka ihe ọhụrụ dabere na bio na ihe na-acha akwụkwọ ndụ akwụkwọ ndụ na nke na-adịghị emebi gburugburu ebe obibi, ojiji sara mbara nke cellulose ether n'ọhịa ụlọ ọrụ mmepụta ihe bụ usoro mmepe nke iwulite obodo na-echekwa gburugburu ebe obibi na n'ọdịnihu. Ihe a...GỤKWUO»