Abstract: An adhesive article including an expandable layer composed of a shape memory polymer composition including a first curable adhesive and at least one thermoplastic elastomer and a first adhesive layer covering at least a portion of the first major surface of the expandable layer, wherein the shape memory polymer composition is in a temporary deformed shape. Further, a method for producing an adhesive article, to a method for bonding two substrates to each other, and to a two-part bonded assembly including a first substrate and a second substrate and adhesive article between the substrates.

Abstract: A thermally expandable composition includes at least one polymer P cross-linkable by peroxide, and at least one acrylate, and at least one peroxide, azodicarbonamide and a zinc compound. The thermally expandable composition leads to low odor formation and low ammonia emission during and after the foaming process. The thermally expandable composition further shows excellent properties in terms of expansion stability.

Abstract: A thermally expandable composition includes at least one polymer P cross-linkable by peroxide, and at least one acrylate, and at least one peroxide, azodicarbonamide and a zinc compound. The thermally expandable composition leads to low odor formation and low ammonia emission during and after the foaming process. The thermally expandable composition further shows excellent properties in terms of expansion stability.

Abstract: A composition for an expandable sealant including at least one polymeric material selected from the group consisting of low density polyethylenes (LDPE), linear low density polyethylenes (LLPDE), ethylene vinyl acetate (EVA), ethylene methacrylate (EMA), and ethylene-butyl acrylate (EnBA); and a chemical blowing agent, wherein the composition is substantially free of a cross-linking agent.