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True colors: A catalytic process that allows color to be integrated directly into poly(lactic acid) eliminates the need for subsequent wet-processing operations. The technical performance of the new polymers is superior to that of conventionally dyed substrates and the polymers are significantly more sustainable for applications in the textiles industry (see picture) in terms of environmental impact and economics of the coloration process.
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MacRae et al. (2010) studied this question.
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