We examined the color processing of the commodity plastic buttons made of acrylic, polyester, nylon, and casein with scCO. The buttons' dyeing color depth (/) was measured over a wide range of scCO and correlated accurately with the response surface method. Moreover, we measured the solubility of C.I. Disperse Red 22 in scCO to formulate a dye-sorption model for the / value in the color processing of the plastic buttons. Finally, the dye-sorption model for the / value combining the dye solubility in scCO with the dye diffusion inside the buttons successfully represented the color processing of the buttons.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9917541 | PMC |
| http://dx.doi.org/10.3390/ma16030907 | DOI Listing |
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