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US 10,676,655 B2Granted
UV curable epoxy/acrylate adhesive composition
Assignee3M Innovative Properties Company
InventorsKathleen S. Shafer, Thomas Q. Chastek, Cyrus A. Anderson
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Abstract
An adhesive composition is described comprising a tetrahydrofurfuryl (meth)acrylate copolymer; an epoxy resin; a polyether polyol; and a hydroxy-functional film-forming polymer. The adhesive may be used in structural and semi-structural bonding applications.
Claims22
A curable composition comprising
- a. 15 to 50 parts of a tetrahydrofurfuryl (meth)acrylate copolymer;
- b. 25 to 50 parts of an epoxy resin component;
- c. 5-15 parts of a liquid polyether polyol;
- d. 10 to 25 parts of a hydroxy-functional film-forming polymer;
- wherein the sum of a) to d) is 100 parts by weight;
- and
- e. 0.1 to 1 parts of a cationic photoinitiator, relative to 100 parts of a) to d).
4 more elements
Dependencies are inferred from the claim text.