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Aluminum-resin bonded body and manufacturing method thereof

A manufacturing method, a technology for joints, applied in chemical instruments and methods, other household appliances, lamination, etc.

Active Publication Date: 2018-05-04
NIPPON LIGHT METAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these methods do not have performance problems such as joint strength and airtightness of the joint part, gas derived from halogen is generated in the etching process, so it is necessary to take measures in order not to corrode the surrounding metal parts and devices, and not to contaminate The countermeasures of the surrounding environment, so there are other technical problems

Method used

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  • Aluminum-resin bonded body and manufacturing method thereof
  • Aluminum-resin bonded body and manufacturing method thereof
  • Aluminum-resin bonded body and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] (1) Fabrication of aluminum base material after surface treatment

[0066] An aluminum substrate having a size of 40 mm×40 mm was cut out from a commercially available aluminum plate (A5052; plate thickness 2.0 mm). In addition, the concentration of sodium hydroxide prepared as a film-forming treatment agent was 100 g / L and the concentration of zinc oxide was 25 g / L (as Zn + 20g / L) containing zinc ion sodium solution. Next, the above-mentioned aluminum substrate was immersed in the zinc ion-containing sodium aqueous solution at room temperature for 3 minutes, and then washed with water to prepare a surface-treated aluminum substrate for a test in which an oxygen-containing film containing zinc element was formed on the surface. material.

[0067] (2) Determination of film thickness of oxygen-containing film

[0068] After the obtained surface-treated aluminum substrate is embedded in epoxy resin and fixed, the surface-treated aluminum substrate is cut together with e...

Embodiment 2～9

[0091] Except for changing the following conditions, the aluminum resin bonded body for the test was produced in the same manner as in Example 1, and the IR analysis of the resin part and the evaluation test of the bonding strength were performed in the same manner as in Example 1; as the aluminum substrate , the same aluminum plate (A5052; plate thickness 2.0mm) as in Example 1 is used in Examples 2 to 7, in addition, aluminum plate (A1050; plate thickness 2.0mm) is used in Example 8, and aluminum plate is used in Example 9 (ADC12; plate thickness 2.0 mm); using the zinc ion-containing alkaline aqueous solution of the liquid composition shown in Table 1, the alkali hydroxide concentration and the zinc ion concentration were set to the concentrations shown in Table 1.

[0092] The results are shown in Table 1.

Embodiment 10～11

[0094] As the aluminum substrate, the same aluminum plate (A5052; plate thickness 2.0 mm) as in Example 1 was used in Example 10, and the same aluminum plate (ADC12; plate thickness 2.0 mm) as in Example 9 was used in Example 11. , implement in 30wt% nitric acid aqueous solution with normal temperature immersion for 5 minutes and fully wash with ion-exchanged water, then in 5wt% sodium hydroxide solution with 50 ℃ immersion for 1 minute and then wash with water, then in 30wt% nitric acid aqueous solution with normal temperature immersion 3 Minutes after washing with water for pretreatment. Next, an aluminum film formation treatment was carried out by immersing in hot water at 91° C. for 5 minutes and treated to form an oxygen-containing film containing aluminum compound AlO(OH) on the surface of the aluminum substrate. In the same manner as in Example 1, an aluminum-resin bonded body for a test was produced, and in the same manner as in Example 1, IR analysis of the resin port...

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Abstract

Provided is an aluminum-resin bonded body that expresses excellent bonding strength and does not show a reduction in the strength after a durability test, thus being able to keep the excellent bonding strength over a long period of time. The aluminum-resin bonded body includes: an aluminum substrate formed of aluminum or an aluminum alloy; an oxygen-containing film containing oxygen, the oxygen-containing film being formed on a surface of the aluminum substrate; and a resin molded body formed of a thermoplastic resin composition containing a thermoplastic resin and an additive, the resin molded body being bonded onto the oxygen-containing film, in which the thermoplastic resin composition contains any one or both of: a thermoplastic resin containing an element having an unshared electron pair in a repeat unit and / or at an end; and an additive containing an element having an unshared electron pair.

Description

technical field [0001] The present invention relates to an aluminum resin bonded body in which an aluminum substrate made of aluminum or an aluminum alloy and a resin molded body made of a thermoplastic resin are integrally and firmly bonded by injection molding or thermocompression bonding of a thermoplastic resin, and a method for producing the same. Background technique [0002] In recent years, in the fields of various sensor parts of automobiles, household electrical product parts, and industrial machinery parts, aluminum substrates made of aluminum or aluminum alloys with high heat dissipation properties and thermoplastic resins with high insulation performance, light weight and low cost are combined. Aluminum-resin joined bodies in which resin molded bodies are integrally joined are widely used, and their applications are expanding. [0003] Furthermore, conventionally, as an aluminum-resin bonded body in which a dissimilar material such as an aluminum base material a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B15/08B29C45/14B29C65/02B29C65/70C23C8/16C23C22/08C23C22/66C25D11/04B29K23/00B29K59/00B29K67/00B29K71/00B29K79/00B29K81/00
CPCB32B27/286B29C45/14311B29C45/14778B29C45/16B29C65/02B29C65/04B29C65/06B29C65/08B29C65/14B29C65/16B29C65/18B29C65/8215B29C66/1122B29C66/474B29C66/71B29C66/7392B29C66/7422B29K2101/12B29K2705/02B29L2009/003B29L2031/3055B29L2031/34B29L2031/762B32B15/04B32B15/08B32B15/20B32B27/281B32B27/285B32B27/32B32B27/36B32B27/365B32B37/24B32B38/0008B32B2037/243B32B2250/03B32B2307/50B32B2307/536B32B2311/24B32B2315/02B32B2367/00B32B2369/00B32B2371/00B32B2377/00B32B2379/08B32B2457/00B32B2509/00B32B2605/08C23C8/16C23C22/07C23C22/08C23C22/66C23C22/68C23C2222/20C25D11/04C25D11/18B29K2069/00B29K2067/00B29K2081/04B29K2081/06B29K2077/00B29K2023/12B29K2079/08B29K2065/00B29K2059/00B29K2079/085B29K2071/12B29K2071/00
Inventor 远藤正宪高泽令子吉田美悠姬
Owner NIPPON LIGHT METAL CO LTD
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