Patent ID: 11939493
Assignee: BOSTIK SA
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A two-part curable composition comprising:
a first part (component A) comprising:
at least 51% by weight, based on the total weight of the first part, of one or more cyanoacrylate monomer(s);
a transition metal complex; and
an antioxidant; and

a second part (component B) comprising:
a per-compound;
at least one Michael acceptor M selected from the group consisting of (meth)acrylic monomers, (meth)acrylic functionalized oligomers, (meth)acrylic functionalized resins, and mixtures thereof;
optionally an acid scavenger AS compound selected from the group consisting of the sterically hindered bases;

wherein:
the composition comprises (in the first part and/or in the second part) at least one compound C comprising a radical -EWG1-CH2-EWG2- wherein EWG2 and EWG1 are each, independently of each other, an electron withdrawing group; and
the first part of the composition does not comprise a per-compound.