Adhesive composition with glass spheres
View Patent ↗A new adhesive composition containing glass beads and having unique properties in automotive related applications. The method of making such new adhesive composition.
1. An adhesive composition comprising 1 to 10 wt. %, based on total weight of the adhesive composition, of glass beads; wherein the glass beads have an average diameter of no more than 110 micrometers with 90% of the glass beads having a size distribution between 5 to 200 microns and wherein the adhesive composition further comprises a toughener comprising carboxyl terminated butadiene-acrylonitrile (CTBN) epoxy adducts and ethylene/butylenes oxide di block copolymer.
2. The adhesive composition of claim 1 wherein the adhesive composition further comprises one or more epoxy resins, a curing agent, a catalyst, fumed silica, and an epoxy silane.
3. The adhesive composition of claim 1 wherein the adhesive composition does not contain any added core shell rubber component.
4. The adhesive composition of claim 1 wherein the glass beads are in spherical form.