Covalent polyester colouration by in situ chromophore creation

The permanent colouration of a polyester by straightforward azo coupling is disclosed. Uniquely, the chromophore is created only upon successful polymer modification with a non-coloured molecule (in situ colouration), which confirms successful polymer adaptation and ensures that coloured waste is no...

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Bibliographic Details
Published inChemical communications (Cambridge, England) Vol. 56; no. 47; pp. 6360 - 6363
Main Authors Rowley, Jason V, Exley, James, Yu, Huayang, Mircale, Gregory S, Hayward, Adam S, Thornton, Paul D
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 14.06.2020
Subjects
Azo Compounds - chemistry
Chromophores
Color
Indigo
Molecular Structure
NMR
Nuclear magnetic resonance
Polyester resins
Polyesters - chemistry
Polymers
Textile composites
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Summary:The permanent colouration of a polyester by straightforward azo coupling is disclosed. Uniquely, the chromophore is created only upon successful polymer modification with a non-coloured molecule (in situ colouration), which confirms successful polymer adaptation and ensures that coloured waste is not produced. The method of colouration, which may feasibly be applied for the coloration of a wide-range of step-growth polyesters, yielded a polymer capable of preventing indigo deposition onto a range of fabrics, offering potential use within advanced detergent formulations.
Bibliography:ObjectType-Article-1
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ISSN:1359-7345
1364-548X
DOI:10.1039/D0CC00653J