Collaborative Research: Extrusion Roll Imprinting of High Fidelity Nano-scale Features on Continuously Moving Substrates

合作研究:在连续移动的基材上进行高保真纳米级特征的挤压辊压印

基本信息

  • 批准号:
    1462101
  • 负责人:
  • 金额:
    $ 2.67万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2015
  • 资助国家:
    美国
  • 起止时间:
    2015-05-01 至 2018-04-30
  • 项目状态:
    已结题

项目摘要

Extraordinary mechanical, optical, electrical, magnetic, and thermal properties are possible in materials at the nano-scale. To successfully exploit these useful properties in a wide range of applications, nano-scale features, especially 10 nm and less, must be formed reliably and in a cost-effective manner. Although continuous, roll-to-roll nanoimprinting processes exist for replicating nanofeatures, they are currently limited to ultra violet light curable resins. Additionally, the fidelity of the replication needs considerable improvement. This collaborative research award supports fundamental research to provide the needed knowledge base for the investigation of continuous imprinting of nano-scale features on any type of thermoplastic polymers, reliably. Thermoplastic polymers with versatile physical and chemical properties are highly desired in numerous disposable devices for applications in energy, healthcare, biomedical, chemical, automotive, telecommunication industries. It is anticipated that the results of the project will form the scientific basis to facilitate successful transfer of this novel nanomanufacturing technology to industry. The project will augment curriculum development, particularly in the interdisciplinary area of nanomanufacturing. In addition, it will promote teaching, training, and learning through multidisciplinary approaches and broaden the participation of underrepresented groups including women students.This collaborative research uses a multidisciplinary approach to address the need to manufacture cost-effective nanostructures onto extruded film surfaces. The project will study the variotherm extrusion roll imprinting process as a clear path to scalable nanomanufacturing. It will investigate the fabrication of belt molds with micro/nano features from a planar geometry, study a Leonov type continuum-based constitutive model to capture the nonlinear viscoelastic behavior of the polymer film during roll-to-roll nanoimprinting, and perform molecular dynamics simulation to study the nanocavity filling process. Fundamental contributions are anticipated in the nanoscale dynamics of polymer flow and deformation during continuous imprinting. Specifically, the research will advance understanding of boundary effects (including wall slip) on micro/nano deformation, dynamics of polymer chains under geometrical confinement, viscoelasticity in size scales below 100 nm, multiscale modeling capabilities for non-equilibrium deformation of macromolecules, and control of thermomechanical history in nanofabrication.
在纳米尺度下,材料可能具有非凡的机械、光学、电学、磁学和热学性能。为了在广泛的应用中成功地利用这些有用的特性,必须以具有成本效益的方式可靠地形成纳米级特征,特别是10 nm及以下。尽管存在连续的卷对卷纳米压印工艺用于复制纳米特征,但它们目前限于紫外光固化树脂。此外,复制的保真度需要相当大的改进。 该合作研究奖支持基础研究,为在任何类型的热塑性聚合物上可靠地连续压印纳米级特征的研究提供所需的知识基础。具有通用物理和化学性质的热塑性聚合物在用于能源、医疗保健、生物医学、化学、汽车、电信工业中的应用的许多一次性装置中是高度期望的。 预计该项目的结果将形成科学基础,以促进这种新型纳米制造技术成功转移到工业中。该项目将加强课程开发,特别是在纳米制造的跨学科领域。此外,它将通过多学科方法促进教学、培训和学习,扩大包括女学生在内的代表性不足的群体的参与。这项合作研究采用多学科方法,以满足在挤出薄膜表面上制造具有成本效益的纳米结构的需求。该项目将研究变温挤出辊压印工艺,作为可扩展纳米制造的明确途径。它将研究从平面几何形状的微/纳米特征的带模具的制造,研究Leonov型基于连续介质的本构模型,以捕获在卷对卷纳米压印过程中聚合物膜的非线性粘弹性行为,并进行分子动力学模拟,以研究纳米空腔填充过程。基本的贡献,预计在纳米级的动态聚合物流动和变形过程中连续压印。具体而言,该研究将推进对微/纳米变形的边界效应(包括壁滑移)的理解,几何约束下聚合物链的动力学,尺寸尺度低于100 nm的粘弹性,大分子非平衡变形的多尺度建模能力,以及纳米纤维中热机械历史的控制。

项目成果

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Donggang Yao其他文献

Correction to: Fabrication of high-strength polyoxymethylene fibers by gel spinning
  • DOI:
    10.1007/s10853-018-2477-z
  • 发表时间:
    2018-06-13
  • 期刊:
  • 影响因子:
    3.900
  • 作者:
    Xudong Fang;Tom Wyatt;Jing Shi;Donggang Yao
  • 通讯作者:
    Donggang Yao
97 Machine learning algorithms in the prognosis of cutaneous melanoma: a population-based study
  • DOI:
    10.1007/s12672-025-02129-7
  • 发表时间:
    2025-03-17
  • 期刊:
  • 影响因子:
    2.900
  • 作者:
    Tongtong Jin;Donggang Yao;Yan Xu;Xiaopeng Zhang;Xu Dong;Haiya Bai
  • 通讯作者:
    Haiya Bai
A non-Newtonian fluid model with an objective vorticity
  • DOI:
    10.1016/j.jnnfm.2015.02.002
  • 发表时间:
    2015-04-01
  • 期刊:
  • 影响因子:
  • 作者:
    Donggang Yao
  • 通讯作者:
    Donggang Yao
Inelastic fluid models with an objective stretch rate parameter
  • DOI:
    10.1016/j.jnnfm.2024.105320
  • 发表时间:
    2024-12-01
  • 期刊:
  • 影响因子:
  • 作者:
    Donggang Yao;Martin Zatloukal
  • 通讯作者:
    Martin Zatloukal
Stretching Oriented Microstructures to Accelerate Rayleigh Instability During Rapid Thermal Processing for Generating Thixotropic Material

Donggang Yao的其他文献

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{{ truncateString('Donggang Yao', 18)}}的其他基金

GOALI/Collaborative Research: Thixotropic Metal Processing and 3D Printing of Zinc-Magnesium Bio-Alloys for Biomedical Implant Applications
GOALI/合作研究:用于生物医学植入应用的锌镁生物合金的触变金属加工和 3D 打印
  • 批准号:
    2027871
  • 财政年份:
    2020
  • 资助金额:
    $ 2.67万
  • 项目类别:
    Standard Grant
Collaborative Research: Nanoimprinting of High Aspect-Ratio Nanostructures in Thermoplastic Polymers Using Metallic Glass Roller Molds
合作研究:使用金属玻璃辊模具在热塑性聚合物中进行高纵横比纳米结构的纳米压印
  • 批准号:
    1927651
  • 财政年份:
    2019
  • 资助金额:
    $ 2.67万
  • 项目类别:
    Standard Grant
GOALI/Collaborative Research: Functionalized Nanodiamond Reinforced Biopolymers for Microporous Surgical Fixation Devices
GOALI/合作研究:用于微孔手术固定装置的功能化纳米金刚石增强生物聚合物
  • 批准号:
    0927697
  • 财政年份:
    2009
  • 资助金额:
    $ 2.67万
  • 项目类别:
    Standard Grant
GOALI/Collaborative Research: Design and Manufacturing of Bioactive Surgical Fixation Devices Using Injection Molding of Gradient Cellular Structures
GOALI/合作研究:利用梯度细胞结构注射成型设计和制造生物活性手术固定装置
  • 批准号:
    0800016
  • 财政年份:
    2008
  • 资助金额:
    $ 2.67万
  • 项目类别:
    Standard Grant
Precision Microprofile Extrusion with a Wall Slip Condition
具有壁滑移条件的精密微型材挤压
  • 批准号:
    0826259
  • 财政年份:
    2008
  • 资助金额:
    $ 2.67万
  • 项目类别:
    Standard Grant
Collaborative Research: Variothermal Roll-to-Roll Embossing Process for Rapid and Precision Production of Large-Area Microstructures
合作研究:用于快速、精确生产大面积微结构的变温卷对卷压花工艺
  • 批准号:
    0620668
  • 财政年份:
    2006
  • 资助金额:
    $ 2.67万
  • 项目类别:
    Standard Grant
CAREER: Rapid Production of Plastic Microstructures
职业:塑料微结构的快速生产
  • 批准号:
    0503138
  • 财政年份:
    2004
  • 资助金额:
    $ 2.67万
  • 项目类别:
    Standard Grant
CAREER: Rapid Production of Plastic Microstructures
职业:塑料微结构的快速生产
  • 批准号:
    0238033
  • 财政年份:
    2003
  • 资助金额:
    $ 2.67万
  • 项目类别:
    Standard Grant

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