METHOD AND SYSTEM FOR MAKING A FULLY IMPREGNATED THERMOPLASTIC PREPREG

system for manufacturing a fully impregnated thermoplastic prepreg including a mechanism for moving a fabric or mat and a drying mechanism that removes residual moisture from at least one surface of the fabric or mat. The system also includes a resin application mechanism that applies a reactive res...

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Bibliographische Detailangaben
Hauptverfasser: GLEICH, Klaus Friedrich, YOHANNES, Asheber, ASRAR, Jawed, ZHANG, Mingfu, BLOCK, Michael J, BRISTOL, Derek Cooper, SANDOVAL, Christopher P
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:system for manufacturing a fully impregnated thermoplastic prepreg including a mechanism for moving a fabric or mat and a drying mechanism that removes residual moisture from at least one surface of the fabric or mat. The system also includes a resin application mechanism that applies a reactive resin (monomer or oligomer, activator and catalyst) to the fabric or mat and a press mechanism that presses the coated fabric or mat to ensure that the resin fully saturates the fabric or mat. The system further includes a curing oven through which the coated fabric or mat is moved to polymerize the resin and thereby form a thermoplastic polymer so that upon exiting the oven, the fabric or mat is fully impregnated with the thermoplastic polymer. During at least a portion of the process, humidity in the vicinity of the coated fabric or mat is maintained at substantially zero. Also thermoplastic prepreg and method for making it.