https://www.avient.com/idea/could-polyketone-be-next-generation-nylon-alternative
Can PK be colored and what are the limitations?
Polyketone is naturally a burnt orange color and is known to be more challenging to color.
These can be colored at the press or with pre-color.
https://www.avient.com/products/polymer-additives/surface-modifier-additives/cesa-anti-block-additives
OnColor™ FX Special Effects Colorants
Color & Additives Animal Free & Food Contact Approved Film Additives
Molded-in color hides scratches, withstands tough weather and helps you optimize manufacturing efficiency
https://www.avient.com/products/vinyl-formulations/vinyl-powder-coating-and-dip-molding/core-vbx-series-vinyl-powder-slush-formulations
100% molded-in color to eliminate the need for painting
UV stability for weathering and color retention performance
Combination Colorants & Additives: Smartbatch™
https://www.avient.com/knowledge-base/article/overmolding-troubleshooting
Non-uniform color
Incompatible color concentrate
Inadequate melting and dispersion of color concentrate
https://www.avient.com/knowledge-base/article/emerging-trends-and-top-10-production-challenges-blow-molded-bottles
Haze: unwanted crystallization and coloring on the exterior of the bottle caused by overheating
Discoloration: lack of uniform color
Recommend best-fit materials from a broad portfolio of polymers, colorants and additives
https://www.avient.com/knowledge-base/article/emerging-trends-and-top-10-production-challenges-blow-molded-bottles?rtype[]=1164
Haze: unwanted crystallization and coloring on the exterior of the bottle caused by overheating
Discoloration: lack of uniform color
Recommend best-fit materials from a broad portfolio of polymers, colorants and additives
https://www.avient.com/knowledge-base/article/emerging-trends-and-top-10-production-challenges-blow-molded-bottles?ind[]=6599
Haze: unwanted crystallization and coloring on the exterior of the bottle caused by overheating
Discoloration: lack of uniform color
Recommend best-fit materials from a broad portfolio of polymers, colorants and additives
https://www.avient.com/industries/packaging/cosmetics-packaging/applicators
Polymer Colorants
Color Cosmetics
Making the Most of Color: Smart Colorants™
https://www.avient.com/industries/packaging/cosmetics-packaging/fragrance
Polymer Colorants
Color Cosmetics
Making the Most of Color: Smart Colorants™
https://www.avient.com/knowledge-base/article/injection-molding-mold-processing?rtype[]=1164
Coloring
Therefore, they require less color concentrate to achieve a particular color and the colors produced are cleaner (less yellow) than other TPEs.
Dry colors have also been used but may require more material and time to perform color changes.
