用于大型火箭发动机的耐老化低密度过氧化物固化三元乙丙橡胶绝缘材料

IF 3.1 4区工程技术 Q2 POLYMER SCIENCE

Polymers for Advanced Technologies Pub Date : 2024-09-19 DOI:10.1002/pat.6585

I. Kingstone Lesley Jabez, Urmila Das, Nakka Sudarshan, R. Sheena Rani, B. V. Paparao

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引用次数: 0

摘要

在橡胶基质中加入过氧化物的新方法成功地开发出了基于沉淀白炭黑（一种传统填料）的过氧化物固化三元乙丙橡胶绝缘材料。最近发表了白炭黑填料对这种绝缘材料的物理、机械、热、烧蚀性能和热降解的影响。作为上述研究的成果，含 25 PHR 二氧化硅的过氧化物固化三元乙丙橡胶绝缘材料已被宣布为潜在的低密度绝缘材料，可满足大型火箭发动机的所有要求，其密度低至 0.997 g/cm3，Tg 低至 -55°C。研究了老化对低密度过氧化物固化三元乙丙橡胶绝缘材料的机械、热性能和热降解行为的影响，并通过傅立叶变换红外光谱和扫描电子显微镜进行了形态检查。

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Age resistant low density peroxide cured EPDM rubber insulation for large rocket motors

Novel methodology introduced to incorporate peroxide in the rubber matrix led to successful development of peroxide cured EPDM insulation based on precipitated silica, a conventional filler. Effect of Silica Filler on the physical, mechanical, thermal, ablative properties and thermal degradation of such an insulation has been recently published. As an outcome of above study, peroxide cured EPDM insulation with 25 PHR of Silica, has been promulgated as potential low density insulation meeting all the requirements of Large Rocket Motor, while having a density as low as 0.997 g/cm3 and Tg as low as −55°C. Effect of aging on mechanical, thermal properties and thermal degradation behavior of low density peroxide cured EPDM insulation has been studied and the findings have been corroborated by FTIR Spectroscopy and morphological Examination by SEM.

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来源期刊

Polymers for Advanced Technologies 工程技术-高分子科学

CiteScore

6.20

自引率

5.90%

发文量

337

审稿时长

2.1 months

期刊介绍： Polymers for Advanced Technologies is published in response to recent significant changes in the patterns of materials research and development. Worldwide attention has been focused on the critical importance of materials in the creation of new devices and systems. It is now recognized that materials are often the limiting factor in bringing a new technical concept to fruition and that polymers are often the materials of choice in these demanding applications. A significant portion of the polymer research ongoing in the world is directly or indirectly related to the solution of complex, interdisciplinary problems whose successful resolution is necessary for achievement of broad system objectives. Polymers for Advanced Technologies is focused to the interest of scientists and engineers from academia and industry who are participating in these new areas of polymer research and development. It is the intent of this journal to impact the polymer related advanced technologies to meet the challenge of the twenty-first century. Polymers for Advanced Technologies aims at encouraging innovation, invention, imagination and creativity by providing a broad interdisciplinary platform for the presentation of new research and development concepts, theories and results which reflect the changing image and pace of modern polymer science and technology. Polymers for Advanced Technologies aims at becoming the central organ of the new multi-disciplinary polymer oriented materials science of the highest scientific standards. It will publish original research papers on finished studies; communications limited to five typewritten pages plus three illustrations, containing experimental details; review articles of up to 40 pages; letters to the editor and book reviews. Review articles will normally be published by invitation. The Editor-in-Chief welcomes suggestions for reviews.