Search Results for: Dried mixture of nuts
"once i realized it worked, i went to local coffee shops and asked for their leftover grounds," nam said. under the guidance of assistant professor chunhui xiang, nam dried the coffee grounds for three days before boiling them with purified water to extract the dye. he then tested it on cotton, linen
, rayon, silk and polyester using different mordants, which help the dye bond to the fabric and, as a result, created a greater variety in shades of brown. the research is published in the international journal of fashion design, technology and education. the following table illustrates the differences...
https://phys.org/news/2019-09-brewed-coffee-grounds-sustainable-alternative.html