Title:
AUTOMOTIVE SIDE DOOR AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/130586
Kind Code:
A1
Abstract:
[Problem] To provide: a light-weight automotive side door comprising a metal member and a resin member, the joining strength of which members is high; and a production method for the side door. [Solution] This side door comprises: a metal member 1 in which one or more resin coating layers 4 are layered on a surface of at least a portion of a metal base 2; and a resin member 8 that is joined to a surface 4s of the metal member 1 at the resin coating layer 4 side. At least one of the resin coating layers 4 is a modified polyolefin layer formed of a resin composition containing a modified polyolefin. The modified polyolefin layer is at least one selected from the group consisting of a layer containing a reaction product 1 of a maleic anhydride-modified polyolefin, a bifunctional epoxy resin, and a bifunctional phenolic compound, a layer containing a reaction product 2 of a maleic anhydride-modified polyolefin and a thermoplastic epoxy resin, and a layer containing a mixture of a polyolefin and a thermoplastic epoxy resin.
Inventors:
TAKAHASHI NOBUYUKI (JP)
SATO MASAHIRO (JP)
OTANI KAZUO (JP)
SATO MASAHIRO (JP)
OTANI KAZUO (JP)
Application Number:
PCT/JP2020/047254
Publication Date:
June 23, 2022
Filing Date:
December 17, 2020
Export Citation:
Assignee:
SHOWA DENKO KK (JP)
International Classes:
B60J5/04
Foreign References:
| JP2018172576A | 2018-11-08 | |||
| JP2014193540A | 2014-10-09 | |||
| JP2011110742A | 2011-06-09 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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