程赤云,马骏,阎瑞香.改性聚乳酸的性能特点及其在果蔬保鲜中的应用[J].包装工程,2021,42(19):136-145.
CHENG Chi-yun,MA Jun,YAN Rui-xiang.Performance Characteristics of Modified Polylactic Acid and Its Application in Fruit and Vegetable Preservation[J].Packaging Engineering,2021,42(19):136-145. |
| 改性聚乳酸的性能特点及其在果蔬保鲜中的应用 |
| Performance Characteristics of Modified Polylactic Acid and Its Application in Fruit and Vegetable Preservation |
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| DOI：10.19554/j.cnki.1001-3563.2021.19.018 |
| 中文关键词: 聚乳酸 改性方法 性能特点 果蔬保鲜 复合薄膜 |
| 英文关键词: polylactic acid modification method performance characteristic fruit and vegetable preservation composite film |
| 基金项目:天津市科技支撑重点项目（18YFZCNC01150，20YFZCSN00620） |
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| 中文摘要: |
| 目的 介绍改性聚乳酸在果蔬保鲜包装中的研究现状，对其未来在果蔬保鲜包装领域的发展方向进行展望，为改性聚乳酸材料的研发和应用提供参考。方法 阐述聚乳酸物理改性和化学改性的方法、改性聚乳酸的性能特点及其在果蔬保鲜领域的应用，总结近几年聚乳酸复合包装薄膜在果蔬保鲜包装上的研究进展。结果 聚乳酸经过改性，性能得到了极大的改善，制备的聚乳酸复合薄膜可以有效延缓果蔬衰老，保持果蔬的品质，延长贮藏期。结论 由于聚乳酸具有可生物降解的特性，在未来绿色包装领域具有非常大的应用潜力，对改性聚乳酸还需要进行安全高效、创新环保方面的深入研究。 |
| 英文摘要: |
| The work aims to introduce the current research status of modified polylactic acid in fruit and vegetable preservation packaging, to provide an outlook on its future development direction in the field of fruit and vegetable preservation packaging, and to provide a reference for the development and application of modified polylactic acid materials. The methods of physical and chemical modification of PLA, the performance characteristics of modified PLA and its application in fruit and vegetable preservation are described, and the research progress of PLA composite packaging films in fruit and vegetable preservation packaging in recent years is explored. The results show that the performance of PLA has been greatly improved after modification, and the prepared PLA composite film can effectively delay the aging of fruits and vegetables, maintain the quality of fruits and vegetables, and extend the shelf life. Since PLA has biodegradable properties, it has very great potential for future applications in the field of green packaging, and more in-depth research on modified PLA is needed for safer and more efficient, innovative and environmentally friendly applications. |
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