Coloured polyhydroxyalkanoates: A review

IF 2.2 4区工程技术 Q3 CHEMISTRY, APPLIED

Coloration Technology Pub Date : 2025-07-02 DOI:10.1111/cote.70013

Maria Luiza de Oliveira Zanini, Camila Rios Piecha, Ketnen Rieffel das Chagas, Patrícia Silva Diaz

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Abstract

Polyhydroxyalkanoates (PHAs) are a class of biopolymers produced by various microorganisms, with poly(3-hydroxybutyrate) being the most extensively studied. PHAs are widely studied as substitutes for conventional plastics due to their similar physicochemical properties. However, the production cost of PHAs remains high. In this context, the use of colours in biopolymers is a marketing tool that plays a significant role in influencing consumer purchasing behaviour. Therefore, the aim of this study was to review, analyse and compare different methodologies for colouring PHAs published to date. Studies reported various methods for colouring PHA films, which were classified into two main methodologies: (i) simultaneous synthesis and colouring of PHAs; and (ii) production and colouring of PHAs in different stages. The analysis revealed that the field of PHA colouring is still under-explored, with relatively few studies conducted to date. Further research is required to optimise the production processes for coloured biopolymers. Additionally, there is a need to investigate new classes of natural dyes for colouring PHA films and their application in innovative, environmentally sustainable products, such as intelligent and biodegradable packaging. This review article is the first to systematically assess the methodologies for colouring PHA films.

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有色聚羟基烷酸酯：综述

聚羟基烷酸酯（PHAs）是一类由多种微生物产生的生物聚合物，其中聚（3-羟基丁酸酯）是研究最广泛的。pha具有与传统塑料相似的物理化学性质，作为传统塑料的替代品而受到广泛的研究。然而，pha的生产成本仍然很高。在这种情况下，在生物聚合物中使用颜色是一种营销工具，在影响消费者购买行为方面发挥着重要作用。因此，本研究的目的是回顾、分析和比较迄今为止发表的PHAs着色的不同方法。研究报告了PHA薄膜着色的各种方法，主要分为两种方法：(i) PHA的同时合成和着色；及（ii）在不同阶段生产和染色pha。分析表明，PHA着色领域仍未得到充分探索，迄今为止进行的研究相对较少。需要进一步的研究来优化有色生物聚合物的生产工艺。此外，有必要研究用于PHA薄膜着色的新型天然染料及其在创新，环境可持续产品中的应用，例如智能和可生物降解的包装。这篇综述文章是第一次系统地评估PHA膜着色方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Coloration Technology 工程技术-材料科学：纺织

CiteScore

3.60

自引率

11.10%

发文量

审稿时长

4 months

期刊介绍： The primary mission of Coloration Technology is to promote innovation and fundamental understanding in the science and technology of coloured materials by providing a medium for communication of peer-reviewed research papers of the highest quality. It is internationally recognised as a vehicle for the publication of theoretical and technological papers on the subjects allied to all aspects of coloration. Regular sections in the journal include reviews, original research and reports, feature articles, short communications and book reviews.