SBIR Phase II: Investigation of Phase Change Material Microcapsules for High Temperature Applications

这个小企业创新研究（SBIR）二期项目将继续第一阶段的努力，研究相变材料（PCMs）的微胶囊化，使其能够稳定地承受熔融纺丝工艺，特别强调平均粒径小于10微米的胶囊。第二阶段将包括：(a)研究胶囊在空气中的干热稳定性，(b)确定随热排出的流出物的性质，(c)优化微胶囊工艺并研究工艺放大；(d)展示微胶囊融入主要熔融纺丝纤维中，(e)评估纺丝性能和纤维性能。第二阶段预计将生产适合熔融纺纤维原型纺丝的微型pcm，用于转化为服装和其他物品。熔融纺纤维和具有增强热能储存能力的织物的商业应用预计将在服装和工业绝缘市场，这些市场需要在热或冷的热环境中进行控制保护。＊＊＊

*** 9710613 Bryant This Small Business Innovation Research (SBIR) Phase II project will continue the Phase I effort that investigated the microencapsulation of phase change materials (PCMs) in a form stable enough to withstand the melt spinning process, with special emphasis on capsules with mean particle size less than 10 microns. Phase II will include: (a) investigating dry heat stability of capsules in air, (b) identifying the nature of effluent materials given off with heat, ( c) optimizing the microencapsulation process and investigating process scale-up; (d) demonstrating the incorporation of microcapsules into the major melt-spun fibers, and (e) evaluating spinning performance and fiber properties. Phase II is anticipated to produce micro-PCMs on a scale suitable for prototype spinning of melt spun fiber for conversion into apparel and other articles The commercial applications of melt-spun fibers and fabrics with enhanced thermal energy storage capabilities is expected in the apparel and industrial insulation markets, where controlled protection in hot or cold thermal environments is required. ***