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US 12,359,018 B2Granted
Room temperature stable one-part void filler
Assignee3M Innovative Properties Company
InventorsSohaib Elgimiabi, Frank Neuroth
Life of this patent
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Abstract
A curable void filler composition comprising at least one epoxy resin; at least one epoxy curing agent comprising at least one bicyclic carboxylic acid anhydride; and at least one epoxysilane compound according to formula (1), where formula (1) is Glycidoxy-R1Si(OR2)(OR3)(OR4), and R1 is selected from linear or branched alkyl comprising from 1 and 15 carbon atoms; and R2, R4 and R4 may be different or the same, and are independently selected from linear or branched alkyl comprising from 2 to 15 carbon atoms.
Claims16
A curable void filler composition comprising:
- (a) at least one epoxy resin;
- (b) at least one epoxy curing agent comprising at least one bicyclic carboxylic acid anhydride;
- (c) at least one epoxysilane compound according to formula (1)
- Glycidoxy-R1Si(OR2)(OR3)(OR4) formula(1)
- wherein
- R1 is selected from linear or branched alkyl comprising from 1 and 15 carbon atoms;
- R2, R3, and R4 may be different or the same, and are independently selected from linear or branched alkyl comprising from 2 to 15 carbon atoms.
4 more elements
Dependencies are inferred from the claim text.