The invention relates to a liquid (meth)acrylic syrup for impregnating a fibrous substrate. The invention especially relates to a viscous liquid syrup mainly containing methacrylic or acrylic components. The invention also relates to a method for producing such a syrup. The invention relates further to a process for impregnating a fibrous substrate or long fibers with said viscous liquid syrup. The invention also relates to a fibrous substrate preimpregnated with said syrup, which is useful for the production of mechanical or structured parts or products. The invention also relates to a production method for producing mechanical or structured parts or items and to three-dimensional mechanical or structured parts produced by said method. The invention applies to the production of mechanical parts or structural elements made of impact-resistant thermoplastic composite material.
本发明涉及一种用于浸渍纤维基材的液体(甲基)
丙烯酸糖浆。本发明尤其涉及一种主要含有
甲基丙烯酸或
丙烯酸成分的粘性液体糖浆。本发明还涉及生产这种糖浆的方法。本发明还涉及一种用上述粘稠液体糖浆浸渍纤维基质或长纤维的工艺。本发明还涉及一种用上述糖浆预浸渍的纤维基材,它可用于生产机械或结构部件或产品。本发明还涉及一种生产机械或结构部件或产品的生产方法,以及用上述方法生产的三维机械或结构部件。本发明适用于生产由抗冲击热塑性复合材料制成的机械部件或结构件。