不同组分对改性聚磷酸铵型阻燃聚乳酸复合材料的协同作用

IF 6.3 2区化学 Q1 POLYMER SCIENCE

Polymer Degradation and Stability Pub Date : 2025-04-25 DOI:10.1016/j.polymdegradstab.2025.111397

Lijuan Long , Xiang Nie , Xin Wang , Chunyan Shan , Juan Xie , Lianjun Shi , Yi Yang , Qian Lin , Hai Fu , Wei Gong , Shuhao Qin , Jie Yu

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引用次数: 0

摘要

研究了对苯磺酸甲酯铝改性聚磷酸铵（APP@MeAl）与氧化铜（CuO）、炭化剂（CFA）和含羟基膦衍生物（DH）等不同组分对阻燃型聚乳酸（PLA）的增效作用。结果表明，掺入10 wt%APP@MeAl和5 wt%DH的PLA复合材料的UL-94 V-0等级和LOI值为28.4%，优于单独掺入APP@MeAl和APP@MeAl与CuO或CFA的复合材料。由此可见，APP@MeAl和DH的协同作用在PLA的阻燃性中更为有效。详细讨论了APP@MeAl和DH在阻燃PLA中的协同作用机理。因此，该策略为扩大低聚APP在制备高性能阻燃聚合物复合材料中的应用提供了方便有效的途径。

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Synergistic effects of different component on flame retardant poly(lactic acid) composites based on modified ammonium polyphosphate

Synergistic effect between modified oligomeric ammonium polyphosphate with p-methyl benzenesulfonate aluminum (APP@MeAl) and different component including copper oxide (CuO), charring agent (CFA) and hydroxyl group-containing phosphaphenanthrene derivative (DH) on flame-retardant poly(lactic acid) (PLA) were investigated. The results showed that PLA composites with the incorporation of 10 wt%APP@MeAl and 5 wt%DH achieved UL-94 V-0 rating and a LOI value of 28.4 %, superior than those of single APP@MeAl, and the combination by APP@MeAl with CuO or CFA. Thus, synergistic effect of APP@MeAl and DH was more effectively in the flame retardancy of PLA. The synergistic mechanism between APP@MeAl and DH in flame-retarding PLA were discussed in detail. As a result, this strategy provides a convenient and effect way to expand the application of oligomeric APP in preparing highly performance flame retardant polymer composites.

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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.