Patent · US Active

Structural adhesive with improved corrosion resistance

US11377576B2 · kind B2 · utility

1Cited by

5References

17Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Elisabeth Cura · Düsseldorf, DE
Sohaib Elgimiabi · Düsseldorf, DE

Key dates

Filing date	Nov 14, 2016
Grant date	Jul 5, 2022
Priority date	—
Expiry date	Oct 24, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09J2471/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present disclosure relates to a thermosettable structural adhesive composition comprising an epoxy compound; a thermoplastic compound; an epoxy curing agent; at least one mineral filler, wherein the at least one mineral filler is capable of absorbing water. The thermosettable structural adhesive composition can exhibit an improved corrosion resistance while also providing good adhesive properties such as good t-peel strength and overlap shear strength.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.