| 项目编号: | 1609694
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| 项目名称: | Reactive Fiber Spinning: Developing Fundamental Predictive Process Capabilities and Process-Structure-Property Relationships |
| 作者: | Chris Ellison
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| 承担单位: | University of Texas at Austin
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| 批准年: | 2016
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| 开始日期: | 2016-09-01
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| 结束日期: | 2016-10-31
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| 资助金额: | 368376
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| 资助来源: | US-NSF
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| 项目类别: | Standard Grant
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| 国家: | US
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| 语种: | 英语
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| 特色学科分类: | Engineering - Chemical, Bioengineering, Environmental, and Transport Systems
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| 英文关键词: | reactive fiber
; fiber
; polymer fiber
; research
; property
; fiber formation
; process related parameter
; process-structure-property relationshipsthe nonwoven fiber industry
; fiber production technique
; solid smooth fiber
; multifunctional capability
; various process parameter
; thermoplastic nonwoven fiber
; universal process operating diagram
; popular commercial process
; various process
; pi
|
| 英文摘要: | 1609694 PI: Ellison
Title: Reactive Fiber Spinning: Developing Fundamental Predictive Process Capabilities and Process-Structure-Property Relationships
The nonwoven fiber industry is a multi-billion dollar global industry that produces fibers for a broad spectrum of applications, such as filtration, personal hygiene and disposable medical apparel. Recent advancements in fiber production techniques have facilitated new applications for advanced fibrous materials in diverse fields, such as optoelectronics, regenerative medicine, piezoelectrics, ceramics, etc. With these advanced applications, a need exists to develop techniques to produce a wider range of fibrous materials with high performance and multifunctional capabilities. Reactive fiber spinning is a solvent-free, low-energy technique that presents an attractive alternative to melt-blowing and electrospinning for large-scale production of polymer fibers. The proposed research aims to develop a fundamental understanding of the reactive fiber spinning process by studying the interactions between various process parameters and the fundamental mechanisms that control fiber formation and properties.
Drawing inspiration from nature, the Ellison group recently developed a method for making fibers that uses light to trigger a photopolymerization reaction in nonvolatile liquid monomer mixtures that are already prevalent and commercially available in industry. Extrusion of the nonvolatile liquid monomer mixtures through a capillary at high speed is followed by the application of a drawing force and simultaneous photocuring in flight, producing solid smooth fibers with average diameters as small as 1 micron. These fibers are competitive with the smallest fibers produced by almost all commercial melt blowing lines, the most popular commercial process for manufacturing thermoplastic nonwoven fibers. The proposed research will investigate the interactions between various process and monomer mixture parameters to uncover the fundamental mechanisms that give rise to fiber formation, and control morphological variations and properties (thermal, mechanical, and structural), during reactive fiber spinning of polymer fibers. The ultimate objective is to develop a predictive and universal process operating diagram that relates curing kinetics, monomer mixture characteristics, and process related parameters.
The proposed reactive fiber spinning technique has significant potential impact related to green chemistry and sustainable manufacturing of polymer fibers. The PI proposes a strong outreach program that pairs graduate students with high-school teachers (Teaching Fellows) to jointly conduct research and develop high-school curricula. The proposed research will benefit from the teacher participants, while the teachers will become advocates of science and engineering program to K-12 students. The development of interactive modules and participation in programs, such as Explore UT and Introduce a Girl to Engineering, will enable the PI and his graduate students to engage and educate a broad cross-section of K-12 students and the general public about modern polymeric materials. |
| 资源类型: | 项目
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/91331
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| Appears in Collections: | 全球变化的国际研究计划
科学计划与规划
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| Recommended Citation: | |
Chris Ellison. Reactive Fiber Spinning: Developing Fundamental Predictive Process Capabilities and Process-Structure-Property Relationships. 2016-01-01.
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