Structural Optimization of PA12/MVQ@POE‐g‐MAH Ternary Composite for Superior Toughness and Low‐Temperature Resistance.

Autor: Jiang, Zeshang, Li, Zhongtian, Geng, Jieting, Xia, Lin
Předmět:
Zdroj: Macromolecular Rapid Communications; Aug2024, Vol. 45 Issue 16, p1-9, 9p
Abstrakt: To enhance the low‐temperature toughness and resistance of the engineering plastic polyamide PA12, this study introduces novel PA12/MVQ@POE‐g‐MAH ternary composites using a two‐step process and dynamic curing. Analytical results indicate that incorporating MVQ@POE‐g‐MAH into the PA12 matrix markedly enhances its toughness and heat resistance. As the MVQ@POE‐g‐MAH content increases, the elongation at break of PA12 composites significantly expands from 52.83% to 204.69%, and the notch impact strength escalates from 8.69 to 74.34 kJ m−2. In addition, the brittleness temperature of PA12 decreases from −59.5 to −67.0 °C. Experimental findings confirm that POE‐g‐MAH is dispersed at the interface between MVQ and PA12, creating an encapsulated structure of MVQ@POE‐g‐MAH. This enhancement significantly broadens the potential applications of PA12 by improving its toughness, and resistance to both low and high temperatures, as well as impact endurance. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index