硅基复合材料的热行为和热降解过程中产生的气体的评估

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: B Pub Date : 2024-11-28 DOI:10.1016/j.mseb.2024.117855

Alina Soroceanu, Alexandru M. Serban, Nita Tudorachi, Mihaela Avadanei

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引用次数: 0

摘要

以具有不同硅氧烷官能团的聚二甲基硅氧烷（PDMS）为基础，由1,3-二（3-氨基丙基）四甲基二硅氧烷与3,5-二叔丁基-2-羟基辛苯甲醛和5-氯-2-羟基辛苯甲醛缩合而成，填充两种含硅氧烷段的金属配合物，制备了一系列复合材料。本研究的主要目的是将含有硅氧烷间隔的希夫碱配体的过渡金属配合物引入PDMS基体，并研究这些配合物对热稳定性的影响。利用热重法、傅里叶红外光谱和质谱分析了不同有机硅复合材料的热稳定性和降解途径。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

The thermal behavior of silicone-based composite materials and the assessment of the gases that result from the thermal degradation process

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The thermal behavior of silicone-based composite materials and the assessment of the gases that result from the thermal degradation process

A series of composite materials were prepared on the basis of polydimethylsiloxane (PDMS) having different siloxane functionality, filled with two types of metal complexes containing siloxane segment, derived from condensation of 1,3-bis(3-aminopropyl)tetramethyldisiloxane with 3,5-di-tert-butyl-2-hydroxibenzaldehyde and 5-chloro-2-hydroxibenzaldehyde. The main objective of the proposed study is to introduce transition metal complexes with Schiff-base ligands that contain siloxane spacers into the PDMS matrix and examine the effect these complexes have on thermal stability. We investigated the produced gases using thermogravimetry coupled with FTIR and MS in order to analyze the thermal stability and degradation pathways of a variety of silicone composite materials.

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来源期刊

Materials Science and Engineering: B 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.