新型生物基稳定剂的性能：聚丙烯的长期热稳定性和紫外线稳定性

IF 6.3 2区化学 Q1 POLYMER SCIENCE

Polymer Degradation and Stability Pub Date : 2025-04-03 DOI:10.1016/j.polymdegradstab.2025.111348

Katrin Markus, Tobias Kirschbaum, Elke Metzsch-Zilligen, Rudolf Pfaendner

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引用次数: 0

摘要

介绍了苯甲酸酯、肉桂酸酯和苯甲酸酯等新型生物基稳定剂的开发和评价，重点介绍了聚丙烯的长期热稳定性能和紫外线稳定性能。合成的结构包括苯甲酸酯、肉桂酸酯和丙酸苯酯。长期热研究表明，与其他结构相比，丙酸苯酯具有优越的稳定性。加速老化过程中羰基指标的分析也表明，丙酸苯酯添加剂具有较低的稳定性能。双取代酚在力学性能评估中优于单取代酚。苯甲酸盐似乎是唯一具有一定紫外线稳定性的衍生物。总的来说，研究结果表明，合成的生物基抗氧化剂可以作为传统稳定剂的有前途的替代品，在各个行业的可持续应用中提供潜在的好处。

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Performance of novel biobased stabilizers: Long-term thermal and UV stability of polypropylene

Development and evaluation of novel bio-based stabilizers including benzoates, cinnamates and phenyl propionates are presented, focusing on long-term thermal and UV stabilization performance of polypropylene. The synthesized structures include benzoates, cinnamates and phenyl propionate esters. Long-term thermal studies indicated that phenyl propionates provided superior stability compared to other structures. The analysis of carbonyl indices during accelerated aging showed lower values for phenyl propionate additives too, highlighting their effective stabilization capabilities. Double-substituted phenols outperformed mono-substituted ones in mechanical property assessments. Benzoates seem to be the only derivatives to provide some UV stability. Overall, the results suggest that the synthesized bio-based antioxidants could serve as promising alternatives to conventional stabilizers, offering potential benefits for more sustainable applications in various industries.

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来源期刊

Polymer Degradation and Stability 化学-高分子科学

CiteScore

10.10

自引率

10.20%

发文量

325

审稿时长

23 days

期刊介绍： Polymer Degradation and Stability deals with the degradation reactions and their control which are a major preoccupation of practitioners of the many and diverse aspects of modern polymer technology. Deteriorative reactions occur during processing, when polymers are subjected to heat, oxygen and mechanical stress, and during the useful life of the materials when oxygen and sunlight are the most important degradative agencies. In more specialised applications, degradation may be induced by high energy radiation, ozone, atmospheric pollutants, mechanical stress, biological action, hydrolysis and many other influences. The mechanisms of these reactions and stabilisation processes must be understood if the technology and application of polymers are to continue to advance. The reporting of investigations of this kind is therefore a major function of this journal. However there are also new developments in polymer technology in which degradation processes find positive applications. For example, photodegradable plastics are now available, the recycling of polymeric products will become increasingly important, degradation and combustion studies are involved in the definition of the fire hazards which are associated with polymeric materials and the microelectronics industry is vitally dependent upon polymer degradation in the manufacture of its circuitry. Polymer properties may also be improved by processes like curing and grafting, the chemistry of which can be closely related to that which causes physical deterioration in other circumstances.