• 主题
高级搜索  >
历史搜索 清空历史
首页> 美国卫生研究院文献>Materials >Thermoplastic Reaction Injection Pultrusion for Continuous Glass Fiber-Reinforced Polyamide-6 Composites
【2h】

Thermoplastic Reaction Injection Pultrusion for Continuous Glass Fiber-Reinforced Polyamide-6 Composites

机译：连续玻璃纤维增​​强聚酰胺6复合材料的热塑性反应注射拉挤成型

代理获取
本网站仅为用户提供外文OA文献查询和代理获取服务，本网站没有原文。下单后我们将采用程序或人工为您竭诚获取高质量的原文，但由于OA文献来源多样且变更频繁，仍可能出现获取不到、文献不完整或与标题不符等情况，如果获取不到我们将提供退款服务。请知悉。
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

In this paper, glass fiber-reinforced polyamide-6 (PA-6) composites with up to 70 wt% fiber contents were successfully manufactured using a pultrusion process, utilizing the anionic polymerization of caprolactam (a monomer of PA-6). A novel thermoplastic reaction injection pultrusion test line was developed with a specifically designed injection chamber to achieve complete impregnation of fiber bundles and high speed pultrusion. Process parameters like temperature of injection chamber, temperature of pultrusion die, and pultrusion speed were studied and optimized. The effects of die temperature on the crystallinity, melting point, and mechanical properties of the pultruded composites were also evaluated. The pultruded composites exhibited the highest flexural strength and flexural modulus, reaching 1061 MPa and 38,384 MPa, respectively. Then, effects of fiber contents on the density, heat distortion temperature, and mechanical properties of the composites were analyzed. The scanning electron microscope analysis showed the great interfacial adhesion between fibers and matrix at 180 °C, which greatly improved the mechanical properties of the composites. The thermoplastic reaction injection pultrusion in this paper provided an alternative for the preparation of thermoplastic composites with high fiber content.
机译：在本文中，利用己内酰胺（PA-6的单体）的阴离子聚合，通过拉挤成型工艺成功制造了纤维含量高达70 wt％的玻璃纤维增​​强聚酰胺6（PA-6）复合材料。开发了一种新型的热塑性反应注射拉挤试验生产线，它具有专门设计的注射腔，以实现纤维束的完全浸渍和高速拉挤。研究并优化了注射室温度，拉挤模头温度，拉挤速度等工艺参数。还评估了模头温度对拉挤复合材料的结晶度，熔点和机械性能的影响。拉挤复合材料表现出最高的弯曲强度和弯曲模量，分别达到1061 MPa和38,384 MPa。然后，分析了纤维含量对复合材料的密度，热变形温度和机械性能的影响。扫描电子显微镜分析表明，在180°C时，纤维与基质之间的界面粘合力强，极大地改善了复合材料的机械性能。本文中的热塑性反应注射拉挤成型为制备高纤维含量的热塑性复合材料提供了一种替代方法。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
代理获取

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号