1. Viscosity tswj
High-viscosity HolroxyPropylropen tsis tuaj yeem tsim cov cellulose heev tsuas yog los ntawm nqus thiab hloov nrog nitrogen. Txawm li cas los xij, yog tias ib txoj kab kev ua pa oxygen tuaj yeem ntsia hauv lub hwj kais dej viscosity, cov khoom siv viscosity, muaj peev xwm tswj tau artificially.
2. Siv cov koom ua ke
Ib qho ntxiv, xav txog kev hloov cov nitrogen, thiab tib lub sijhawm, cov cua nruj ntawm cov txheej txheem yog qhov yooj yim heev los tsim cov khoom lag luam qib siab. Tau kawg kawm qib polymerization ntawm lub renined paj rwb tseem yog qhov tseem ceeb. Yog tias nws tseem tsis ua haujlwm, lub koom haum Hydrophobic koom tes yog siv, thiab dab tsi ntawm cov koom nrog xaiv tau muaj kev cuam tshuam zoo ntawm kev ua haujlwm ntawm cov khoom kawg.
3. Hydroxypropyl cov ntsiab lus
Cov pa oxygen seem nyob rau hauv cov tshuaj tiv thaiv cov tshuaj tiv thaiv ua rau lub cellulose ua rau muaj kev txwv thiab cov roj ntsha txo qis, tab sis cov pa oxygen. Ntev npaum li qhov tawg molecules tau rov ua dua tshiab, nws tsis yog qhov nyuaj ua kom cov viscosity siab. Txawm li cas los xij, cov dej ntws tseem cuam tshuam nrog cov ntsiab lus ntawm hydroxypropyl, qee qhov tsuas yog xav kom txo cov ntsiab lus ntawm hydroxypropyl, yog li tsis tuaj yeem mus txog qib ntawm cov khoom lag luam zoo sib xws.
4. Lwm yam
Cov dej tswj cov khoom lag luam muaj kev sib raug zoo nrog cov txheej txheem methylropyl, tab sis rau tag nrho cov txheej txheem ntawm methylropyl, tab sis rau cov tshuaj tiv thaiv ntawm methylropyl, thiab propylene oxide, lub concentration ntawm alkali thiab dej. Qhov sib piv nrog cov khaub rwb rwb txiav txim siab ua kom tau cov khoom lag luam.
Lub Sijhawm Post: Nov-24-2022