Structural epoxy resin adhesives containing elastomeric tougheners capped with ketoximes
US8858752B2 · kind B2 · utility
1Cited by
23References
13Claims
0Family size
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Key dates
| Filing date | Jan 28, 2014 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Jan 28, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Structural adhesives are prepared from an elastomeric toughener that contains urethane and/or urea groups, and have terminal isocyanate groups that are capped with ketoxime compound. The adhesives have very good storage stability and cure to form cured adhesives that have good lap shear and impact peel strengths, even at −40° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.