使用响应表面设计来优化环氧树脂成型化合物的形态性质的过程优化
Julian Vogelwaid1,2, Martin Bayer1, Michael Walz1
1Mobility Electronics, Engineering Technology Polymer & Packaging, Robert Bosch GmbH, 72770 Reutlingen, Germany.
Polymers
|April 27, 2024
概括
这项研究通过分析加工参数来优化环氧树脂成型化合物,以提高玻璃过渡温度 (Tg) 和固化程度. 开发了一种新的曲面分析方法用于Tg测量,增强了材料表征.
科学领域:
- 聚合物科学与工程 聚合物科学与工程
- 材料的特性 材料的特性
- 热固体加工 热固体加工
背景情况:
- 玻璃过渡温度 (Tg) 是环氧化合物的关键形态特征.
- 准确的Tg测定在制造后对于热成型零件至关重要.
- 在成型过程中监测聚合物网络的形成是具有挑战性的,但至关重要的.
研究的目的:
- 优化以环氧树脂为基础的成型化合物 (EMC) 的形态特性,用于成型工艺.
- 用DiBenedetto方程来定量描述Tg与治愈程度的依赖性.
- 开发一种新的方法来测量Tg在特定的固化度.
主要方法:
- 使用了响应表面分析和实验设计 (DOE) 策略.
- 研究了加工参数 (固化温度,时间,注射速率).
- 使用过电分析 (DEA) 进行线内治愈监测,使用差分扫描热量计 (DSC) 进行线下分析.
- 开发了一种新的曲面分析技术用于Tg测量.
主要成果:
- 处理参数显著影响Tg和治愈程度.
- DEA和DSC提供了一致的治愈度测量.
- 新的曲面分析方法成功测量了Tg在各种固阶段.
- 使用DiBenedetto方程的精细DoE模型改善了响应特征.
结论:
- 优化的处理参数可以提高EMC的形态特性和性能.
- 集成的线上DEA和线下DSC提供了强大的治疗监测.
- 开发的曲面分析方法为Tg表征提供了有价值的工具.
- 先进的建模技术提高了在加工过程中材料行为的预测.
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