Measuring Thermal Properties of Recycled Carbon Composites

测量再生碳复合材料的热性能

• 批准号: RTI-2023-00363
• 负责人: Charpentier, Paul
• 金额: $ 7.18万
• 依托单位: University of Western Ontario
• 依托单位国家: 加拿大
• 项目类别: Research Tools and Instruments
• 财政年份: 2022
• 资助国家: 加拿大
• 起止时间: 2022-01-01 至 2023-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=746691
• 关键词: Measuring; Thermal; Properties; Recycled; Carbon

This Research Tool Instrument will enable us to explore new methods for examining carbon containing polymer composites for their heat-transfer and anti-flammability measurements. A global effort is underway on how to recycle polymer materials while also using carbon in polymer composites to make lighter weight and better performing materials. Only around 9% of plastics are recycled in North America, with a diversity of approaches being investigated. A variety of these recycling approaches such as pyrolysis will create carbon of unknown quality. Recycling has become a tremendous research challenge for North American companies as previously used plastics were sent to China for disposal.  China in 2018 changed their policy which has resulted in a need to address this challenge ourselves. Similarly, a variety of approaches are used for integrating carbonaceous materials into polymeric systems.  Carbon has a variety of allotropes  such as single and multi-wall carbon nanotubes, graphene, carbon quantum-dots, graphite, diamonds and amorphous carbon.  Due to the abundance of carbon, and its ability to provide low weight materials, its applications have been integrated into all forms of modern areas, particularly automobiles, trains, airplanes, structures such as bridges and integration into concrete. Towards these advantages of using low cost and renewable carbon into both virgin and recycled materials, the underlying understanding of how the carbon type/quality can control heat transfer and whether it provides insulating or conductive materials is largely unexplored. Our research program examines how green solvents can be used to integrate carbon into recycled materials or polymer composites and the quality of carbon required. For example green biobased solvents such as supercritical fluids or ionic liquids can be used in both the recycling process and  enhancing carbon integration. For example, foams are being produced using supercritical carbon dioxide, where the type quality of carbon (biomass derived, graphene or graphite) is examined on exfoliation and percolation threshold. Depending on the 2D or 3D structure of the carbon containing composite, either insulating or conductive materials can be formed. Industry has been held back by wider adoption of these carbon materials due to a lack of understanding of heat transfer or flammability. Understanding the flammability and heat transfer requirements is critical for the end-use application. Several graduate students are working on industrial themed projects in our lab for both generating carbon and integrating into composites, exploring the type of carbon and underlying chemistry and physics. Both of these research tools with be used in our Advanced Material Centre for wide adoption throughout our University and area by both academic and industrial colleagues.

该研究工具工具将使我们能够探索用于检查含有碳的聚合物公司的新方法，以进行热转移和抗易用性测量。关于如何回收聚合物材料的全球努力，同时还在聚合物公司中使用碳，以使重量更轻和更具性能的材料。在北美，只有大约9％的塑料被回收，并进行了多种方法。这些回收方法（例如热解）将产生质量未知的碳。由于以前使用的塑料被派往中国进行处置，回收已成为北美公司的巨大研究挑战。 2018年，中国改变了他们的政策，这导致了我们自己应对这一挑战的必要性。同样，使用多种方法将碳质材料集成到聚合系统中。碳具有多种同素异形体，例如单壁和多壁碳纳米管，石墨烯，碳量子点，石墨，钻石和无定形碳。由于丰富的碳及其提供低重量材料的能力，其应用已集成到各种形式的现代区域，尤其是汽车，火车，飞机，桥梁等结构以及整合到混凝土中。在这些优势方面，将低成本和可再生碳用于维珍材料和再生材料，对碳型/质量如何控制传热的基本了解以及它是否提供绝缘材料或导电材料是很大程度上出乎意料的。我们的研究计划研究了如何使用绿色溶液将碳整合到回收的材料或聚合物组件中以及所需的碳质量。例如，在回收过程和增强碳整合的过程中，都可以使用绿色生物生物溶液（例如超临界液或离子液体）。例如，正在使用超临界二氧化碳生产泡沫，其中碳的类型（生物量，石墨烯或石墨）在去角质和渗透阈值时进行了检查。取决于含有复合碳的2D或3D结构，可以形成绝缘或导电材料。由于缺乏对传热或易燃性的了解，因此通过更广泛地采用这些碳材料而阻止了行业。了解易燃性和传热要求对于最终用途的应用至关重要。几位研究生正在我们的实验室中从事工业主题，以生成碳并融入构图，探索碳和基本化学和物理的类型。这两种研究工具都被学术和工业同事在我们整个大学和地区的高级材料中心使用。