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Melhoria da Solidez à Luz de Algodão Tingido com Corantes Reativos

Authors: Gomes, Inês Moreira;

Melhoria da Solidez à Luz de Algodão Tingido com Corantes Reativos

Abstract

A solidez à luz dos materiais têxteis tingidos tem sido um foco de estudo na área têxtil, de modo a tentar melhorar a resistência da cor à luz, aumentando a qualidade e a durabilidade do produto final. Com base nessa preocupação, tentou-se arranjar uma solução que funcione de uma forma mais completa do que as já estudadas a nível laboratorial, que consistem na formulação de um produto de acabamento. Para melhorar a solidez à luz, especificamente na gama de corantes reativos, foram estudados vários produtos com uma das seguintes propriedades: absorver a radiação ultravioleta, impedindo que esta degrade o corante ou ter capacidade antioxidante, para que, mesmo que a luz incida diretamente no corante, não o consiga oxidar. Após os vários testes de solidez à luz, complementados com testes de solidez à lavagem e solidez à fricção, verificaram-se melhores resultados com a utilização dos produtos antioxidantes, tendo especial impacto a utilização de extrato de sumagre na melhoria da solidez, o que é um resultado bastante interessante e a explorar melhor num contexto industrial.

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Portugal
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Keywords

Absorvedores UV, Light fastness, Reactive dyes, Algodão, Corantes reativos, Antioxidantes, Cotton, Solidez à luz, Antioxidants, UV absorbers

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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