Kedu ụdị Cellulose ether dị iche iche?

Cellulose ethers bụ otu ụdị polymer dị iche iche sitere na cellulose, polysaccharide eke dị na osisi. A na-eji ha eme ihe nke ukwuu n'ọtụtụ ụlọ ọrụ dị iche iche, gụnyere owuwu ụlọ, ọgwụ, nri, ihe ịchọ mma, na nlekọta onwe onye, ​​​​n'ihi ihe pụrụ iche ha na ọtụtụ ihe dị iche iche ha nwere. Lee ụfọdụ n'ime ụdị cellulose ether kachasị ewu ewu:

1. Methyl Cellulose (MC):
   • A na-emepụta methyl cellulose site na iji methyl chloride gwọọ cellulose iji webata otu methyl n'ime ọkpụkpụ azụ cellulose.
   • Ọ na-agbaze n'ime mmiri oyi ma na-emepụta mmiri doro anya ma na-agbaze agbaze.
   • A na-eji MC eme ihe dị ka ihe na-eme ka ihe sie ike, ihe na-ejikọta ihe, na ihe na-eme ka ihe sie ike n'ọtụtụ ụzọ dị iche iche, gụnyere ihe owuwu (dịka ọmụmaatụ, ihe e ji simenti mee, ihe e ji gypsum mee), ihe oriri, ọgwụ, na ihe ndị ọzọ e ji elekọta onwe onye.
2. Selulose Hydroxyethyl (HEC):
   • A na-emepụta hydroxyethyl cellulose site na iji ethylene oxide meghachi omume na cellulose iji webata otu hydroxyethyl n'ime ọkpụkpụ azụ cellulose.
   • Ọ na-agbaze n'ime mmiri oyi ma na-emepụta ihe ngwọta doro anya, nke na-agbaze agbaze, nke nwere ezigbo ihe eji ejide mmiri.
   • A na-ejikarị HEC eme ihe dị ka ihe na-eme ka ihe dị arọ, ihe na-agbanwe ọdịdị ahụ, na ihe na-emepụta ihe nkiri na agba, ihe na-eme ka ihe dị nro, ngwaahịa nlekọta onwe onye, ​​na ọgwụ.
3. Selulose Hydroxypropyl Methyl (HPMC):
   • A na-emepụta hydroxypropyl methyl cellulose site na itinye hydroxypropyl na methyl otu n'ime azụ cellulose.
   • Ọ na-egosipụta ihe ndị yiri methyl cellulose na hydroxyethyl cellulose, gụnyere mmiri ịgbaze, ikike imepụta ihe nkiri, na idobe mmiri.
   • A na-ejikarị HPMC eme ihe n'ihe owuwu (dịka ọmụmaatụ, ihe mmado taịlị, ihe eji eme simenti, ihe ndị na-eme ka ihe dị larịị), yana ọgwụ, nri, na ihe nlekọta onwe onye.
4. Carboxymethyl cellulose (CMC):
   • A na-esi na cellulose enweta carboxymethyl cellulose site na iji sodium hydroxide na monochloroacetic acid gwọọ ya iji webata otu carboxymethyl.
   • Ọ na-agbaze n'ime mmiri ma na-emepụta ihe ngwọta doro anya, nke na-agbaze agbaze, nke nwere ezigbo ihe ndị na-eme ka mmiri sie ike, na-eme ka ọ sie ike, ma na-ejidekwa ya.
   • A na-ejikarị CMC eme ihe dị ka ihe na-eme ka ihe dị arọ, ihe na-ejikọta ihe, na ihe na-agbanwe ihe n'ime nri, ọgwụ, ákwà, akwụkwọ, na ụfọdụ ihe owuwu.
5. Ethyl Cellulose (EC):
   • A na-emepụta ethyl cellulose site na iji cellulose na ethyl chloride mee ihe iji webata otu ethyl n'ime azụ cellulose.
   • Ọ naghị agbaze na mmiri mana ọ na-agbaze na ihe ndị na-agbaze n'ime ihe ndị dị ndụ dịka ethanol na chloroform.
   • A na-ejikarị EC eme ihe dị ka ihe na-emepụta ihe nkiri, ihe na-ejikọta ihe, na ihe mkpuchi na ọgwụ, ngwaahịa nri, ihe ịchọ mma, na ngwa ụlọ ọrụ mmepụta ihe.

Ndị a bụ ụfọdụ n'ime ụdị cellulose ether a na-ejikarị eme ihe, nke ọ bụla na-enye ihe onwunwe na uru pụrụ iche maka ojiji dị iche iche. Ether cellulose pụrụ iche ndị ọzọ nwekwara ike ịdị, nke e mere ka ọ dabara na ihe achọrọ n'ọtụtụ ụlọ ọrụ dị iche iche.