Advancing PHA-Based packaging: A patent and scientific landscape analysis for sustainable innovation

IF 1.9 Q2 INFORMATION SCIENCE & LIBRARY SCIENCE
Pietro Carlos Gonçalves Conceição , Natália Hlavnicka Miranda , Luiggi Cavalcanti Pessôa , Denilson de Jesus Assis , Jamille Santos Santana , Paulo Vitor França Lemos , Jania Betania Alves da Silva , Lucas Guimarães Cardoso , Karina Teixeira Magalhães-Guedes , Leonardo Moreira de Assunção , Carolina Oliveira de Souza
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引用次数: 0

Abstract

Polyhydroxyalkanoates (PHAs) have emerged as promising biodegradable alternatives to petrochemical plastics for packaging applications, aligning with global sustainability goals. This study presents a comprehensive analysis of the scientific and technological landscape of PHA-based packaging from 1992 to 2024, combining a systematic review of 4176 scientific articles with a patent landscape analysis of 3328 patent families. The results reveal a robust increase in academic research since 2015, focusing on enhancing mechanical, barrier, and antimicrobial properties through nanomaterials and bioactive additives. Patent trends show a technological evolution from basic PHA formulations to multifunctional, smart packaging systems. The food sector dominates application areas, while blending PHAs with polymers such as PLA, starch, and PBAT remains a key strategy to improve performance and reduce costs. China leads in patent filings, driven by strong regulatory support, whereas Japan and the U.S. contribute significantly through industrial innovation. Despite the high potential of PHAs, challenges such as production cost, thermal sensitivity, and limited university-industry partnerships persist. The findings highlight the need for intensified collaboration and continued R&D investment to advance PHA-based packaging technologies toward large-scale adoption.
推进pha基包装:可持续创新的专利和科学景观分析
聚羟基烷酸酯(pha)已成为有前途的可生物降解替代品,石化塑料包装应用,与全球可持续发展目标一致。本研究通过对4176篇科学论文的系统回顾和对3328个专利家族的专利景观分析,对1992 - 2024年pha包装的科技景观进行了综合分析。结果显示,自2015年以来,学术研究强劲增长,重点是通过纳米材料和生物活性添加剂增强机械、屏障和抗菌性能。专利趋势显示了从基本PHA配方到多功能智能包装系统的技术演变。食品行业在应用领域占主导地位,而将pha与PLA、淀粉和PBAT等聚合物混合仍然是提高性能和降低成本的关键策略。在强有力的监管支持下,中国在专利申请方面处于领先地位,而日本和美国则通过产业创新做出了重大贡献。尽管pha具有很高的潜力,但诸如生产成本、热敏性和有限的大学-工业合作等挑战仍然存在。研究结果强调了加强合作和持续研发投资的必要性,以推动基于pha的封装技术大规模采用。
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来源期刊
World Patent Information
World Patent Information INFORMATION SCIENCE & LIBRARY SCIENCE-
CiteScore
3.50
自引率
18.50%
发文量
40
期刊介绍: The aim of World Patent Information is to provide a worldwide forum for the exchange of information between people working professionally in the field of Industrial Property information and documentation and to promote the widest possible use of the associated literature. Regular features include: papers concerned with all aspects of Industrial Property information and documentation; new regulations pertinent to Industrial Property information and documentation; short reports on relevant meetings and conferences; bibliographies, together with book and literature reviews.
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