Reinforced thermoplastic-resin multilayer sheet material, process for producing the same, and method of forming molded thermoplastic-resin composite material
A thermoplastic resin and a technology for a manufacturing method are applied in the fields of thermoplastic resin reinforced sheets, thermoplastic resin multilayer reinforced sheets and their manufacture, and thermoplastic resin multilayer reinforced molded products, which can solve the problem of reduced mechanical properties, inability to strengthen in the thickness direction, Obstruction of reinforcing fibers, etc.
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Embodiment 1
[0274] A thermoplastic resin multilayer reinforced sheet was manufactured using the following materials.
[0275]
[0276] (Fiber bundles used in reinforcing fiber bundles)
[0277] Manufactured by Mitsubishi Rayon Corporation: TR50S-15K, fiber diameter about 7 μm, number of fibers 15,000 (resin used for thermoplastic resin sheets)
[0278] Manufactured by Mitsubishi Chemical Corporation: Nylon 6 resin film, film thickness 20 μm
[0279] (Fiber bundles used in thermoplastic resin fiber bundles for integration)
[0280] Manufactured by Toray Co., Ltd.: Nylon 6 multi-fiber rayon, 77dtex-24filaments
[0281]
[0282] (1) 16 reinforcing fiber bundles TR50S-15K were placed at intervals of 20 mm, and each reinforcing fiber bundle was opened to a width of 20 mm by a method of simultaneously air-fiber-opening a plurality of them (see Patent Document 9).
[0283] (2) Each fiber-opened reinforcing fiber to have a width of 20 mm was vibrated in the width direction to prepare a rei...
Embodiment 2
[0290] A plurality of narrow-width thermoplastic resin reinforced sheets were obtained from the thermoplastic resin reinforced sheets obtained in (1) to (4) of Example 1, and a thermoplastic resin multilayer reinforced sheet was produced.
[0291]
[0292] The reinforcing fiber bundles, the thermoplastic resin sheet, and the thermoplastic resin fiber bundles for integration are also the same as in Example 1.
[0293]
[0294] (1) Through (1) to (4) of Example 1, a thermoplastic resin reinforced sheet having a width of 320 mm was obtained.
[0295] (2) pass Figure 16 The production apparatus shown continuously cut the obtained thermoplastic resin reinforced sheet with a width of 10 mm to obtain 32 narrow-width thermoplastic resin reinforced sheets. At this time, as the cutting blade and the cutting method, a circular blade-shaped cutting blade that freely rotates in response to the movement of the thermoplastic resin reinforced sheet is provided, and the thermoplastic res...
Embodiment 3
[0300] A plurality of thermoplastic resin reinforced sheets obtained in (1) to (4) of Example 1 were laminated and then heated and pressed to manufacture a thermoplastic resin multilayer reinforced sheet in which the layers were thermally welded and integrated. Sheet.
[0301]
[0302] The reinforcing fiber bundle and the thermoplastic resin sheet are also the same as in Example 1.
[0303]
[0304] (1) Through (1) to (4) of Example 1, a thermoplastic resin reinforced sheet having a width of 320 mm was obtained.
[0305] (2) pass Figure 14 The manufacturing apparatus shown laminates the obtained thermoplastic resin reinforced sheets in the 45-degree direction, 0-degree direction, -45-degree direction, and 90-degree direction to form a laminated sheet with a width of 320 mm. Figure 18 The manufacturing apparatus shown performs heating and pressing to obtain a thermoplastic resin multilayer reinforced sheet. As a manufacturing device, heating rollers form a single conne...
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