Structure and properties of injection-molded nanocomposites of biobased polyamide 11 and fibrous sepiolite or layer-like montmorillonite nanofillers

生物基聚酰胺11与纤维状海泡石或层状蒙脱石纳米填料注射成型纳米复合材料的结构和性能

• 批准号: 260513810
• 负责人: Professor Dr.-Ing. René Androsch
• 金额: --
• 依托单位: Interdisziplinäres Zentrum für Transferorientierte Forschung in den Naturwissenschaften (IWE TFN)
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2014
• 资助国家: 德国
• 起止时间: 2013-12-31 至 2016-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/260513810?language=en
• 关键词: Structure; properties; injection; molded; nanocomposites

Polyamide 11 (PA 11) is a biobased polymer with a balanced property profile including relatively high thermal stability, excellent chemical resistance, and reasonable mechanical characteristics. Further improvement of properties, to widen the range of applications, is possible by modification/reinforcement with nanofillers. It is the aim of this project to evaluate the effects of variation of the content, chemistry, and geometry/aspect ratio of layer-like montmorillonite and fibrous sepiolite nanofillers on structure formation and selected properties of PA 11 based nanocomposites. A major goal of this project, besides the analysis of the reinforcing effect of nanofillers of largely different aspect ratio, is the evaluation of the nucleation efficiency of nanofillers of different specific surface area and surface chemistry on the crystallization of the polymer matrix at conditions relevant in processing and its influence on the development of skin/core morphologies in injection molding. The research project is expected to contribute to the further establishment/development of new biobased engineering polymeric materials with improved mechanical behavior. The in-depth analysis of the effect of different nanofillers on properties and structure formation of the polymer matrix as a function of the crystallization conditions will allow designing processing routes to obtain specific semicrystalline morphologies and therefore nanocomposite properties.

聚酰胺11（PA 11）是一种生物基聚合物，具有平衡的性能，包括相对较高的热稳定性，优异的耐化学性和合理的机械特性。通过用纳米填料改性/增强，可以进一步改善性能，扩大应用范围。本项目的目的是评估层状蒙脱土和纤维状海泡石纳米填料的含量、化学性质和几何/纵横比的变化对PA 11基纳米复合材料的结构形成和选定性能的影响。该项目的一个主要目标，除了分析的增强效果的纳米填料的很大程度上不同的纵横比，是不同的比表面积和表面化学的纳米填料的成核效率的评价在相关的加工条件下的聚合物基体的结晶和其对注射成型中的皮/芯形态的发展的影响。该研究项目预计将有助于进一步建立/开发具有改善力学行为的新型生物基工程聚合物材料。不同的纳米填料的性能和结构形成的聚合物基体作为结晶条件的函数的影响的深入分析将允许设计加工路线，以获得特定的半结晶形态，因此纳米复合材料的性能。

项目成果

Crystallization of polyamide 11 during injection molding

• DOI: 10.1002/pen.24665
• 发表时间: 2018-07
• 期刊: Polymer Engineering and Science
• 影响因子: 3.2
• 作者: Katalee Jariyavidyanont;Jason J. Williams;A. Rhoades;I. Kühnert;W. Focke;R. Androsch

Supercooling-controlled heterogeneous and homogenous crystal nucleation of polyamide 11 and its effect onto the crystal/mesophase polymorphism

• DOI: 10.1016/j.polymer.2016.10.050
• 发表时间: 2016-12
• 期刊: Polymer
• 影响因子: 4.6
• 作者: A. Rhoades;Nichole Wonderling;C. Schick;R. Androsch

Crystallization kinetics of polyamide 11 in the presence of sepiolite and montmorillonite nanofillers

• DOI: 10.1007/s00396-016-3874-y
• 发表时间: 2016-04
• 期刊: Colloid and Polymer Science
• 影响因子: 2.4
• 作者: Katalee Jariyavidyanont;W. Focke;R. Androsch

Flame retarding polyamide 11 with exfoliated vermiculite nanoflakes

• DOI: 10.1002/pen.24775
• 发表时间: 2018-10
• 期刊: Polymer Engineering and Science
• 影响因子: 3.2
• 作者: Afonso D. Macheca;W. Focke;M. Kaci;Bindu Panampilly;R. Androsch