Barrier Property Tester for Advanced Nanostructured Polymer Composites

先进纳米结构聚合物复合材料阻隔性能测试仪

• 批准号: RTI-2021-00796
• 负责人: Park, Chul
• 金额: $ 10.93万
• 依托单位: University of Toronto
• 依托单位国家: 加拿大
• 项目类别: Research Tools and Instruments
• 财政年份: 2020
• 资助国家: 加拿大
• 起止时间: 2020-01-01 至 2021-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=717690
• 关键词: Barrier; Property; Tester; Advanced; Nanostructured

Polymers account for the most-widely used packaging materials globally, owing to their capacity to behave as barrier materials against gases (eg. oxygen or water vapour). For example, food packaging materials often must be strong oxygen barriers, to prevent oxidation and spoiling of foods. Moreover, the barrier properties of polymers can be carefully controlled by an abundance of methods which involve the tuning of crystalline properties, the incorporation of micro/nanoparticle fillers, or the application of surface coatings. The vast number of techniques that can be used to tune a polymer's barrier properties necessitate a high-precision measurement device. However, most commercial barrier property testing apparatus is limited due to long sensor calibration times, limited temperature or humidity control, and poor sensitivity. These limit the testing throughput and prevent the measurement of ultra-high barrier materials, ultimately limiting the applicability of measurements. Hence, the PI and co-PI are requesting an ultra-high sensitivity MOCON OXTRAN 2/22 10x OXYGEN transmission rate testing system, for analysis of engineered materials. The MOCON OXTRAN 2/22 10x Model is one of the world's most sensitive advanced barrier testing devices, allowing for ultra-sensitive barrier property measurements in the range of 0.0005 to 200 cc/(m2.day), with a wide range of humidity and temperature control, rapid testing times, and automation capabilities. Currently, only the University of Guelph and Western University hold similar instruments at their research facilities, with poorer sensitivities. The applicants and their research groups will use the requested equipment for barrier property analysis in the following research programs: (1) Coextruded multi-nanolayer polymer films, (2) In situ nanofibrillated polymer composites, (3) Nanoparticle-reinforced polymer composites, and (4) fully bio-based and compostable polymer composites for sustainable packaging. These research programs represent advanced manufacturing processes capable of producing micro/nanostructured materials with enhanced barrier properties, that cannot be adequately quantified by any other means. The acquisition of this barrier property testing equipment will allow high-impact research that will help inform and optimize industrial processes. This research will be highly valuable in growing Canada's advanced manufacturing sector, and provide an avenue for Canada to increase its global impact and expertise in this field.

聚合物在全球使用了最宽阔的包装材料，这是因为它们作为对气体的屏障材料的行为（例如氧气或水蒸气）。例如，食物包装材料通常必须是强大的氧气屏障，以防止食物的氧化和变质。此外，可以通过丰富的方法仔细控制聚合物的屏障特性，这些方法涉及晶体特性的调整，微/纳米颗粒填充剂的掺入或表面涂层的应用。可用于调整聚合物屏障特性的大量技术需要高精度测量装置。但是，由于长时间的传感器校准时间，有限的温度或湿度控制和敏感性不佳，大多数商业屏障性能测试设备受到限制。这些限制了测试吞吐量并防止测量超高屏障材料，最终限制了测量的适用性。 因此，PI和Co-Pi要求具有超高灵敏度Mocon Oxtran 2/22 10倍氧气传输速率测试系统，以分析工程材料。 Mocon Oxtran 2/22 10X模型是世界上最敏感的高级屏障测试设备之一，允许在0.0005至200 cc/（m2.day）范围内进行超敏感的屏障属性测量，具有广泛的湿度和温度控制，快速测试时间和自动化功能。目前，只有圭尔夫大学和西部大学在其研究设施中拥有类似的工具，敏感性较差。 申请人及其研究小组将在以下研究计划中使用所请求的设备进行屏障属性分析：（1）相互构造的多纳米层聚合物膜，（2）原位纳米构型聚合物复合材料，（3）纳米粒子增强的聚合物复合材料，以及（4）基于Bio基于Bio的Polymers and Compose and Compose and Compose and Compose and Compose and Compose and Compose and Compose and Compose and Compose and Compose and Compose and Compose and Compose and Compose。这些研究计划代表了能够生产具有增强屏障特性的微型/纳米结构材料的高级制造工艺，这些材料无法通过任何其他方式进行充分量化。收购该障碍物财产测试设备将允许高影响研究，以帮助和优化工业流程。这项研究对于发展加拿大的高级制造业将非常有价值，并为加拿大增加其在该领域的全球影响和专业知识提供了途径。