Cellulose ethers yog cov dej-soluble polymers muab tau los ntawm cellulose, cov polymer ntau tshaj nyob rau hauv cov xwm. Rau ntau tshaj 60 xyoo, cov khoom siv ntau yam no tau ua lub luag haujlwm tseem ceeb hauv kev siv ntau yam, los ntawm cov khoom siv, ceramics thiab xim rau cov khoom noj, tshuaj pleev ib ce thiab tshuaj....
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