Novel aromatic phosphonates as flame retardants for polybutylene succinate

IF 6.3 2区化学 Q1 POLYMER SCIENCE

Polymer Degradation and Stability Pub Date : 2025-04-06 DOI:10.1016/j.polymdegradstab.2025.111369

Thomas Driever, Elke Metzsch-Zilligen, Rudolf Pfaendner

引用次数: 0

Abstract

Novel potential phosphonate flame retardants were synthesized from renewable building blocks. The additives were characterized using thermal gravimetric analysis (TGA), differential scanning calorimetry (DSC) and nuclear magnetic resonance spectroscopy (NMR). Polybutylene succinate was compounded and injection molded with phosphonate concentrations of 2–10 wt. % and tested via UL-94 resulting in a shortening of burning time and reduction of burning droplets. Furthermore, synergistic combinations of the novel phosphonates with 2,5-dioxopyrrolidin-1-yl 2,4,6-trimethylbenzenesulfonate were investigated. Best results were achieved with phosphonates where the aromatic ring is substituted with aldehyde groups and the additional use of the sulfonate. TGA and NMR analysis provided indications of the involved flame retardant mechanism.

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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.