Mercapto-containing bisanhydrohexitol derivatives and uses thereof
Assignee3M Innovative Properties Company
InventorsKwame Owusu-Adom, Kevin M. Lewandowski, Jonathan E. Janoski
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Abstract
Bisanhydrohexitol derivatives having terminal mercapto groups are provided. Additionally, curable compositions that include these mercapto-containing bisanhydrohexitol derivatives, cured compositions prepared from the curable compositions, and articles containing the cured compositions are provided. More specifically, the curable compositions are epoxy-based formulations and the mercapto-containing bisanhydrohexitol derivatives function as curing agents for epoxy resins.
Claims15
A compound of Formula (I)
- HS-L-Y—O-Q-O—Y-L-SH (I)
- wherein
- each Y is independently a single bond or a carbonyl group;
- each L is independently an alkylene or heteroalkylene;
- and
- Q is a divalent group of Formula (I-1), Formula (I-2), or Formula (I-3).
A curable composition comprising:
- a) an epoxy resin;
- and
- b) a first curing agent of Formula (I)
- HS-L-Y—O-Q-O—Y-L-SH (I)
- wherein
- each Y is independently a single bond or a carbonyl group;
- each L is independently an alkylene or heteroalkylene;
- and
- Q is a divalent group selected from Formula (I-1), Formula (I-2), or Formula (I-3).
An article comprising a first substrate and a cured composition positioned adjacent to the first substrate, the cured composition comprising a reaction product of a curable composition comprising:
- a) an epoxy resin;
- and
- b) a first curing agent of Formula (I)
- HS-L-Y—O-Q-O—Y-L-SH (I)
- wherein
- each Y is independently a single bond or a carbonyl group;
- each L is independently an alkylene or heteroalkylene;
- and
- Q is a divalent group of Formula (I-1), Formula (I-2), or Formula (I-3).
Dependencies are inferred from the claim text.