Muaj cov monosodium glutamate industrial, carboxymethyl cellulose, hydroxypropyl methyl cellulose, thiabhydroxyethyl cellulose, uas yog cov siv ntau tshaj plaws. Ntawm peb hom cellulose, qhov nyuaj tshaj plaws rau kev paub qhov txawv yog hydroxypropyl methylcellulose thiab hydroxyethyl cellulose. Cia peb paub qhov txawv ntawm ob hom cellulose no los ntawm lawv cov kev siv thiab kev ua haujlwm.
Ua ib qho surfactant uas tsis yog ionic, hydroxyethyl cellulose muaj cov khoom hauv qab no ntxiv rau kev ncua, thickening, dispersing, flotation, bonding, film-forming, water retention thiab muab cov colloids tiv thaiv:
1. HEC nws tus kheej yog non-ionic thiab tuaj yeem nyob ua ke nrog ntau yam dej-soluble polymers, surfactants, thiab ntsev. Nws yog ib qho zoo heev colloidal thickener uas muaj cov tshuaj electrolyte siab.
2. Piv nrog rau cov methyl cellulose thiab hydroxypropyl methyl cellulose uas tau lees paub, lub peev xwm ntawm HEC yog qhov phem tshaj plaws, tab sis cov colloid tiv thaiv muaj peev xwm muaj zog tshaj plaws.
3. Lub peev xwm khaws dej tau ob npaug ntawm methyl cellulose, thiab nws muaj kev tswj hwm dej zoo dua.
4. HEC yaj tau hauv dej kub lossis dej txias, thiab tsis ua rau kub dhau lossis npau, yog li nws muaj ntau yam solubility thiab viscosity, nrog rau cov gelation tsis yog thermal.
Siv HEC: feem ntau yog siv los ua tus neeg sawv cev tuab, tus neeg sawv cev tiv thaiv, nplaum, stabilizer thiab kev npaj cov emulsion, jelly, tshuaj pleev, tshuaj pleev, qhov muag clearing.
Kev taw qhia txog daim ntawv thov Hydroxypropyl methylcellulose (HPMC):
1. Kev lag luam txheej: ua ib qho thickener, dispersant thiab stabilizer hauv kev lag luam txheej, nws muaj kev sib raug zoo hauv dej lossis cov organic solvents. ua ib qho xim remover.
2. Kev tsim cov khoom siv ceramic: siv dav ua cov khoom siv sib txuas hauv kev tsim cov khoom siv ceramic.
3. Lwm tus: Cov khoom no kuj siv dav hauv tawv, kev lag luam ntawv, txiv hmab txiv ntoo thiab zaub khaws cia thiab kev lag luam textile, thiab lwm yam.
4. Kev luam ntawv number case: ua ib qho thickener, dispersant thiab stabilizer hauv kev lag luam number case, nws muaj kev sib raug zoo hauv dej lossis cov organic solvents.
5. Yas: siv ua tus neeg sawv cev tso pwm, tshuaj ua kom mos, roj nplua nyeem, thiab lwm yam.
6. Polyvinyl chloride: Nws yog siv los ua cov tshuaj dispersant hauv kev tsim cov polyvinyl chloride, thiab nws yog tus neeg sawv cev tseem ceeb rau kev npaj PVC los ntawm kev ncua polymerization.
7. Kev lag luam kev tsim kho: Ua tus neeg sawv cev khaws dej thiab retarder rau cement xuab zeb slurry, nws ua rau cov xuab zeb slurry twj tso kua mis. Siv ua tus binder hauv plastering paste, gypsum, putty hmoov lossis lwm yam khoom siv hauv tsev kom txhim kho kev nthuav dav thiab ntev lub sijhawm ua haujlwm. Nws yog siv ua tus nplaum rau cov vuas ceramic, marble, yas kho kom zoo nkauj, ua tus nplaum txhim kho, thiab nws kuj tseem tuaj yeem txo qhov ntau ntawm cement. Kev khaws dej ntawm HPMC tuaj yeem tiv thaiv cov slurry los ntawm kev tawg vim qhuav sai dhau tom qab thov, thiab txhim kho lub zog tom qab hardening.
Lub sijhawm tshaj tawm: Lub Kaum Hli-20-2022