Methods and compositions for adhering polysulfides or polythioethers to thermoplastic or thermoset materials
US12043716B2 · kind B2 · utility
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26Claims
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Key dates
| Filing date | Aug 14, 2019 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Mar 25, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2481/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed herein are methods and compositions for preparing a surface comprising thermoplastic or thermoset material to receive a polysulfide or polythioether sealant or coating, the method comprising applying to the surface an activating composition consisting of a tetraalkoxide of a Group 4 metal, a complex of an alkoxide of a Group 4 metal, or a combination thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.