Preparation method for composite laminate product
A composite layer and board system technology, applied in chemical instruments and methods, lamination, lamination devices, etc., can solve problems such as uneven stress, wrinkling and cracking, and many processes
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[0046] At least one embodiment of the present invention provides a method for preparing a composite laminate product, comprising the following steps:
[0047] laying laminated plates, including laminating a plurality of metal plates (for example, laminating a plurality of metal plates), and laying an interlayer material between two adjacent metal plates, the interlayer material includes a polymer material;
[0048] Place the laid laminated boards in the vacuum parts, and vacuumize the vacuum parts;
[0049] Heat the vacuumed parts and molds;
[0050] Applying pressure to the laminate through the die;
[0051] Inflate and pressurize the cavity of the mold and pressurize to the molding pressure, so that the laminated plates are compounded and formed to obtain a composite laminated product.
[0052] For example, in the method for preparing a composite laminate product provided by an embodiment of the present invention, the interlayer material includes a thermoplastic resin boar...
Embodiment 1
[0071] This embodiment provides a method for preparing a composite laminate, comprising the following steps:
[0072] In the first step, a 5083 aluminum alloy plate of 300mm×300mm×0.5mm is selected, and degreasing, pickling and phosphoric acid anodizing are performed in sequence. The composition of the anodizing electrolyte is: phosphoric acid 70g / L, sulfuric acid 50g / L, oxalic acid 7g / L, glycerin 20g / L, voltage 25V, electrolysis temperature 40°C, electrolysis time 20min;
[0073] In the second step, a polypropylene (PP) film of 300mm×300mm×0.2mm is selected and cut, followed by degreasing, pickling and drying;
[0074] The third step is to adopt a 2 / 1 structure design and lay sandwich panels in the following order: 5083 / 2 layers of PP film / 5083;
[0075] The fourth step is to place the laid sandwich laminate in a vacuum bag for vacuum treatment, and the vacuum degree is required to be ≤-0.09MPa; when laying, the vacuum bag needs to leave a deformation allowance;
[0076] Th...
Embodiment 2
[0080] This embodiment provides a method for preparing a composite laminate, comprising the following steps:
[0081] In the first step, a 5083 aluminum alloy plate of 300mm×300mm×0.5mm is selected, and degreasing, pickling and phosphoric acid anodizing are performed in sequence. The composition of the anodizing electrolyte is: phosphoric acid 70g / L, sulfuric acid 50g / L, oxalic acid 7g / L, glycerin 20g / L, voltage 25V, electrolysis temperature 40°C, electrolysis time 20min;
[0082] In the second step, select and cut a 300mm×300mm×0.125mm glass fiber reinforced medium temperature epoxy resin (GF-EP) prepreg with a resin content of 40wt%. It is degreased, pickled and dried in sequence;
[0083] The third step is to adopt a 2 / 1 structure design and lay sandwich panels in the following order: 5083 / 00GF-EM prepreg / 900GF-EM prepreg / 00GF-EM prepreg / 5083;
[0084] The fourth step is to place the laid sandwich laminate in a vacuum bag for vacuum treatment, and the vacuum degree is req...
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