Improving water-based graphite colloidal system for a pressure-sensing fabric application

改进用于压力传感织物应用的水基石墨胶体系统

• 批准号: 543229-2019
• 负责人: DelosReyes, JoseRizalino
• 金额: $ 1.82万
• 依托单位: Red River College of Applied Arts, Science and Technology
• 依托单位国家: 加拿大
• 项目类别: Applied Research and Development Grants - Level 1
• 财政年份: 2019
• 资助国家: 加拿大
• 起止时间: 2019-01-01 至 2020-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=680789
• 关键词: Improving; water; based; graphite; colloidal

Vista medical has been producing pressure-sensing fabric for use in medical devices and consumer products since 1992. The technology consists of a conductive fabric substrate to which a carbon colloidal system is applied. The coated fabric is then dried and further processed. The finished product is a fabric system that can convert pressure applied to it to an electrical signal, which upon processing can provide a pressure map. Vista Medical product is used in medical devices and consumer products.Currently, Vista Medical purchases both components needed to manufacture their product, namely the conductive fabric and the graphite colloid, from external sources. The manufacturing process at Vista Medical consists of applying the graphite colloid to the fabric, drying the coated fabric and converting it to the finished product as per customer specifications. Quality control for the product consists of verification of pressure readings and other fit-for-use tests.As evident from the above, the performance of Vista Medical products depends on the quality and consistency of the components purchased. For sometimes, it has been noticed that inconsistencies in characteristics of the purchased graphite colloid adversely affect the quality of the finished product. Test results and specifications in the Certificate of Analysis provided by the supplier of the colloidal graphite are also too broad to ensure product quality. This has resulted into loss of productivity and potential product quality issues. In order to overcome this challenge, Vista Medical has been looking into in-house manufacturing of the graphite colloid.

自1992年以来，Vista Medical一直在生产用于医疗设备和消费品的压力传感织物。该技术包括一个导电织物基板上的碳胶体系统应用。然后将涂覆的织物干燥并进一步加工。成品是一种织物系统，可以将施加到其上的压力转换为电信号，该电信号在处理时可以提供压力图。Vista Medical产品用于医疗器械和消费品。目前，Vista Medical从外部采购制造其产品所需的两种组件，即导电织物和石墨胶体。Vista Medical的生产工艺包括将石墨胶体应用于织物，干燥涂层织物并根据客户质量标准将其转化为成品。产品的质量控制包括压力读数的验证和其他适用性测试。从上文可以看出，Vista Medical产品的性能取决于所购买组件的质量和一致性。有时，已经注意到所购买的石墨胶体的特性的不一致性对成品的质量产生不利影响。胶体石墨供应商提供的检验报告中的检测结果和质量标准也过于宽泛，无法确保产品质量。这导致了生产力的损失和潜在的产品质量问题。为了克服这一挑战，Vista Medical一直在研究石墨胶体的内部制造。