Crash durable epoxy adhesive compositions having improved low-temperature impact resistance and wash off resistance
US10392539B2 · kind B2 · utility
0Cited by
11References
16Claims
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Assignee
Inventors
Key dates
| Filing date | Aug 13, 2015 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Aug 13, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J175/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Aspects of the present invention provide a one component epoxy adhesive composition having improved impact resistance at low temperatures, such as −40° C. or less. In a first aspect, the adhesive includes one or more epoxy resins; at least one polyurethane based toughener; at least one amphipathic block copolymer; and one or more epoxy curing agents. In a further, aspect epoxy adhesive compositions having improved wash off resistance are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.