Assertion: azo dye | /r/HasProperty | transformed to ingrain dyes
Facets:
value: after application
type: TEMPORAL
value: for improved fastness
type: PURPOSE
Source sentences:
text: Because many azo dyes are substituted anilines, they can be transformed to ingrain dyes for improved fastness after application as direct or, in some cases, disperse dyes to cotton and acetate rayon, respectively.