期刊
POLYMER COMPOSITES
卷 44, 期 8, 页码 4345-4369出版社
WILEY
DOI: 10.1002/pc.27427
关键词
durability; fiber reinforced thermoplastic composites; mechanical properties; methyl methacrylate resin; reaction injection molding (RIM) pultrusion
Thermoplastic polymers have advantages over thermosetting resins as fiber reinforced composite matrices, but their high viscosity poses a challenge to processability. Low viscosity in situ polymerizable thermoplastic resins are considered a cost-effective solution. This paper provides an overview of the engineering, high-performance, room-temperature-processible liquid methyl methacrylate (MMA) resins and their composites. It reviews the polymerization behavior and initiators, discusses the pultrusion process and modeling, presents the mechanical properties and durability of fiber-reinforced MMA-matrix composites, and identifies challenges in their preparation and application.
Compared to thermosetting resins, thermoplastic polymers offer many advantages as fiber reinforced composite matrices, such as excellent toughness, superior corrosion resistance, weldability, and recyclable, etc. However, the processibility of thermoplastic composites is commonly considered as a challenge because of the high viscosity of polymer melts (e.g., polypropylene, polyetheretherketone, etc.), which remarkably hinders their applications. Using low viscosity and in situ polymerizable thermoplastic resins to manufacture continuous fiber reinforced thermoplastic composites have been deemed as a cost-effective emerging approach to surpass the processibility challenges. Therefore, this paper presents an overview of advancement in the engineering, high-performance and room-temperature-processible liquid methyl methacrylate (MMA) resins and their composites up to date. First, the polymerization behavior and kinetic modeling of the MMA resins are reviewed, and the effects of initiators on the polymerization are summarized. In the second part, the pultrusion process and modeling including impregnation, temperature distribution and pulling force are discussed. Next, the mechanical properties and durability of the carbon fiber-, glass fiber-reinforced MMA-matrix composites are presented. Finally, the challenges of the preparation and application of the MMA-matrix composites are identified.
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