Abstract Three-dimensional carbon/carbonaceous foams (CFs) have attracted great research interest in recent years and have been widely used in many military and civilian fields. Replacing traditional raw materials (e.g., pitches and petrochemical raw material derived resins) with renewable biomass resources is becoming one of the trends in the research of CFs. In the present work, CF was prepared from starch. The effects of the structure and conformation of polysaccharides on the preparation of CF were studied from multiple perspectives and multiple scales using a variety of starches as raw materials. It is proved that the conformation of the raw material, a factor that is almost neglected in the research of pitches derived CFs, has a significant influence on the preparation of starch derived CF. However, hydrogen bonding, which is ubiquitous in biomass feedstocks, is not a primary factor affecting the thermophysical and thermochemical properties of the feedstocks in this study. It is not the key to the foaming state of starch derived CF. The results of this work will be instructive for the preparation and structural regulation of biomass derived CFs.

中文翻译：

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从淀粉到含碳泡沫：原料结构和构象的影响

摘要 三维碳/碳质泡沫（CFs）近年来引起了极大的研究兴趣，并已广泛应用于许多军事和民用领域。用可再生的生物质资源替代传统原料（如沥青和石化原料衍生树脂）正成为碳纤维研究的趋势之一。在目前的工作中，CF 是由淀粉制备的。以多种淀粉为原料，从多角度、多尺度研究了多糖的结​​构和构象对CF制备的影响。证明原料的构象是沥青衍生CFs研究中几乎被忽略的一个因素，它对淀粉衍生CFs的制备有显着影响。然而，氢键，普遍存在于生物质原料中，在本研究中不是影响原料热物理和热化学性质的主要因素。不是淀粉衍生CF发泡状态的关键。这项工作的结果将对生物质衍生 CF 的制备和结构调控具有指导意义。