US 12,454,635 B2
Two component (2K) curable adhesive composition
Stefanie Stapf, Essen (DE); Thomas Moeller, Duesseldorf (DE); Alexandra Lieske, Duesseldorf (DE); Jordan Gutierrez Diaz, Duesseldorf (DE); and Chloe Grevey, Duesseldorf (DE)
Assigned to Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed on Jun. 13, 2022, as Appl. No. 17/838,724.
Application 17/838,724 is a continuation of application No. PCT/EP2020/083134, filed on Nov. 24, 2020.
Claims priority of application No. 19216094 (EP), filed on Dec. 13, 2019.
Prior Publication US 2022/0315813 A1, Oct. 6, 2022
Int. Cl. C09J 163/00 (2006.01); C09J 133/10 (2006.01)
CPC C09J 163/00 (2013.01) [C09J 133/10 (2013.01); C09J 2301/408 (2020.08); C09J 2301/502 (2020.08)] 15 Claims
OG exemplary drawing
 
1. A curable and debondable two-part hybrid adhesive composition comprising:
a first part comprising:
a) epoxy resin;
b) (meth)acrylate monomer;
c) an electrolyte;
d) a solubilizer; and
e) a filler in an amount of from 1 to 40% by weight of the total weight of the first part;
f) a co-polymerizable acid; and
a second part comprising:
a) a compound possessing at least two epoxide reactive groups per molecule;
b) an accelerator; and
c) filler in an amount of from 10 to 30% by weight of the total weight of the second part, wherein said filler in the first part and said filler in the second part can be same or different and are independently selected from the group consisting of calcium carbonate, calcium oxide, talcum, fumed silica, wollastonite, barium sulphate and mixtures thereof, and whose presence in either or both of the first part and the second part adjusts the viscosity thereof.