Resin-metal composite structure
US6939615B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | May 12, 2003 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | Aug 5, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31797
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A resin-metal composite structure having a resin molded part and a metal part integrated via a rubber adhesive layer, the resin molded part being a reactive injection molded part prepared from a polyurethane material comprising a polyol component and an isocyanate component, wherein the polyol component is a polyether polyol comprising a polyester polyol as an adhesion improver, and the polyester polyol is selected from a lactone-based polyol and an aliphatic saturated dicarboxylic acid-based polyol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.