Process for producing composite material comprising resin molded product
a technology of resin molded products and composite materials, which is applied in the direction of liquid surface applicators, coatings, chemical coatings, etc., can solve the problems of large environmental burden, limited selection of polymers to be dipped in such etching solutions, and difficult surface roughening of obtained polymer members, etc., to achieve improved adhesion strength and stabilize the resultant plating film
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example 1
[0124]In this Example, a predetermined high-pressure apparatus was used in a pre-treatment for plating, so as to dissolve a reducing agent and an organic metal complex in a high-pressure fluid and to bring the resulting solution into contact with a resin material. In this Example, carbon dioxide was used as the high-pressure fluid. Firstly, the high-pressure apparatus used in this Example will be described.
[0125]FIG. 2 shows a schematic diagram of the high-pressure apparatus 10 for use in the pre-treatment for plating and electroless plating according to the embodiment of the present invention.
[0126]As shown in FIG. 2, the high-pressure apparatus 10 includes a first high-pressure vessel 20 for holding a resin material (or a resin molded product) 1; a liquid carbon dioxide bomb 11 for storing carbon dioxide to be fed to the first high-pressure vessel 20; a syringe pump 13 for pressurizing carbon dioxide; a second high-pressure vessel 17 for storing an organic metal complex; a separat...
example 2
[0147]In this Example, a plating film was formed on a resin material 1 by the same steps shown in FIG. 1, as well as Example 1. However, the heat treatment carried out in Example 1 was omitted, after the treatment (Step S22 on FIG. 1) wherein supercritical carbon dioxide in which an organic metal complex containing a plating catalyst was dissolved was brought into contact with the resin material 1 to allow the supercritical carbon dioxide to penetrate into the resin material; and instead, the resin material 1 was dried in an air at a normal temperature for one hour. After that, plating films were formed (Steps S23 and S24 on FIG. 1). Thus, the entire surface of the resin material 1 was coated with a metal film.
example 3
[0148]In this Example, a plating film was formed on a resin material 1 by the steps shown in FIG. 1, as well as Example 1. However, the step of bringing a reducing agent into contact with a resin material to allow the reducing agent to penetrate into the resin material (Step S21 on FIG. 1) was carried out in an air without using the high-pressure apparatus shown in FIG. 2. In concrete, the resin material 1 was charged in a sealed vessel (not shown) containing a mixture of ethanol (100 mL) with ethylene glycol (100 mL), which was then subjected to a ultrasonic wave at 80° C. under a normal pressure for 60 minutes; and then, the resin material 1 was taken out and was dried until ethanol and ethylene glycol on the surface thereof were vaporized. Except for these, plating films were formed on the resin material 1 in the same manners as in Example 1 (Steps S22 to S24 on FIG. 1). Thus, the entire surface of the resin material 1 was coated with a metal film.
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Abstract
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