| 摘要 |
Epoxy-modified, two-part acrylic structural adhesives characterized by improved T-peel strength are disclosed. These adhesives are not inhibited by oxygen. Representative embodiments include 2-part acrylic structural adhesiv es comprising,in a first package from about 10 to about 90 percent by weight of at least one methacrylate selected from C3-C10 alkyl monosubstituted-, C1-C6 alkyl disubstituted-, C1-C4 alkyl trisubstituted, and Cl-C4 alkyl tetra- substituted cyclohexyl methacrylate. The ring substituents are prefereably i n the 3, 4, and/or 5 ring position, and linear or branched C4-C10 branched alk yl methacrylates; from about 10 to about 80 percent by weight of a toughener, a nd an adhesion promotor; and in a second package, a bonding activator, and optional epoxy resin.
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