Self-healing polymer network containing physical crosslinker, composition therefor, and optical element comprising the same
US11548962B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 11, 2018 |
| Grant date | Jan 10, 2023 |
| Priority date | — |
| Expiry date | Apr 18, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F220/56
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A self-healing polymer network containing a physical crosslinking agent, a composition therefor, and an optical element comprising the same is provided. The self-healing polymer network comprises a polymer derived from monomers including self-healing monomers each having a first polymerizable functional group and at least one of urethane, urea, or amide group chemically linked to the first polymerizable functional group, wherein the polymer has a backbone formed by polymerizing the first polymerizable functional groups of the self-healing monomers and a plurality of side groups each having at least one of urethane, urea, or amide group chemically linked to the backbone. In addition, the self-healing polymer network comprises a physical crosslinking agent which is an alcohol mixture having at least two of monool, diol, triol, and tetraol or the higher polyol and crosslinking the polymer by physically crosslinking the urethane, urea, or amide group of the side groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.