Laminate, molded article, and method for producing molded article
A manufacturing method, a technology of a laminate, applied in the direction of chemical instruments and methods, coatings, layered products, etc., to achieve the effect of high adhesion
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Embodiment 1
[0169] [manufacture of laminated body]
[0170] A laminate was produced by the following steps.
[0171] (polyolefin resin layer)
[0172] use figure 2 The production apparatus shown produces a polypropylene sheet (polyolefin resin layer) 51 .
[0173] Describes the operation of the device. The molten resin (polypropylene) extruded from the T-die 52 of the extruder is sandwiched between the metal endless belt 57 and the fourth cooling roll 56 on the first cooling roll 53 . In this state, the molten resin is rapidly cooled while being pressure-bonded by the first and fourth cooling rolls 53 and 56 . Next, the polypropylene sheet was sandwiched between the metal endless belt 57 and the fourth cooling roll 56 at an arc portion corresponding to substantially the lower half circumference of the fourth cooling roll 56 , and were pressed together in a planar shape. After the fourth cooling roll 56 is subjected to planar pressure bonding and cooling, the polypropylene sheet in c...
Embodiment 2
[0251] Except that the mixing ratio of the main agent and the curing agent of the undercoat layer was the main agent:curing agent (mass ratio)=35:28, a laminated body and a molded body were produced and evaluated in the same manner as in Example 1. The results are shown in Table 1.
[0252] In addition, as in Example 1, the surface of the metal layer opposite to the undercoat layer was observed. As a result, it was confirmed that numerous very fine cracks occurred in the metal layer and no cracks of a recognizable size occurred.
Embodiment 3
[0254] Except having used the metal layer as indium, it carried out similarly to Example 1, and produced the laminated body and molded body, and evaluated it. The results are shown in Table 1.
[0255] In addition, as in Example 1, the surface of the metal layer opposite to the undercoat layer was observed. As a result, it was confirmed that numerous very fine cracks occurred in the metal layer and no cracks of a recognizable size occurred.
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Abstract
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