Pressure sensitive adhesive comprising (meth)acrylic polymer and amino acid crosslinker
US11708513B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Sep 9, 2020 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Feb 3, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2433/005
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A pressure sensitive adhesive composition is described that comprises a (meth)acrylic polymer comprising polymerized units of (meth)acrylic ester monomer having a Tg less than 0° C. and ethylenically unsaturated monomer comprising a pendent functional group crosslinked with an amine or carboxylic acid group of at least one amino acid. Also described are aqueous pressure sensitive adhesive compositions, adhesive-coated articles, and methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.