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Devising Critical Experiments to Identify Molecular Mechanisms for Sharkskin and Wall Slip in Polymer Flow

Devising Critical Experiments to Identify Molecular Mechanisms for Sharkskin and Wall Slip in Polymer Flow
设计关键实验来识别聚合物流动中鲨鱼皮和壁滑移的分子机制
批准号:
0115867
负责人:
Shi-Qing Wang
金额:
$22.89万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2001
资助国家:
美国
项目状态:
已结题
起止时间:
2001-10-15 至 2005-09-30

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中文摘要
翻译
摘要这项研究的目的是确定在高度缠绕的聚合物材料流动中常见的导致鲨鱼皮状挤出物变形的壁滑移和流动不稳定性的分子机制。这将通过进行五个实验来完成,实验结果将有助于理解这一复杂现象的不同方面
英文摘要
AbstractThe objective of this proposed research is to identify molecular mechanisms for wall slip and flow instabilities leading to sharkskin-like extrudate distortion commonly encountered in flow of highly entangled polymeric materials. This is to be accomplished by performing five experiments, the results of which will contribute to the understanding of different facets of this complex phenomenon
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Exploring ultimate mechanical characteristics of polymers, from molecular to fracture mechanics
  • 批准号:
    2210184
  • 项目类别:
    Standard Grant
  • 资助金额:
    $48.0万
  • 财政年份:
    2022
  • 负责人:
    Shi-Qing Wang
  • 依托单位:
Improving Mechanical Performance of Glassy and Semicrystalline Polymers: Molecular Perspectives
  • 批准号:
    1905870
  • 项目类别:
    Standard Grant
  • 资助金额:
    $45.0万
  • 财政年份:
    2019
  • 负责人:
    Shi-Qing Wang
  • 依托单位:
Integrated Molecular Approach to Study Mechanical Behavior of Polymeric Materials
  • 批准号:
    1609977
  • 项目类别:
    Standard Grant
  • 资助金额:
    $47.1万
  • 财政年份:
    2016
  • 负责人:
    Shi-Qing Wang
  • 依托单位:
EAGER: Exploring the Molecular Foundation for the Mechanics of Polymer Glasses
  • 批准号:
    1444859
  • 项目类别:
    Standard Grant
  • 资助金额:
    $24.86万
  • 财政年份:
    2014
  • 负责人:
    Shi-Qing Wang
  • 依托单位:
海外基金