Foamed adhesion-optimized polymer composition and adhesive bond with it

摘要

Polymer composition (1) comprising at least the following components: a first polymer material (2) selected from an aromatic and / or partially aromatic and / or aliphatic and / or partially aliphatic and / or cycloaliphatic oligomers or polymers or block copolymers or random copolymers, and / or a chemically modified aromatic and / or partially aromatic and / or aliphatic and / or partially aliphatic and / or cycloaliphatic oligomers or polymers or block copolymers or random copolymers, and / or a blend of oligomers and / or polymers and / or block copolymers and / or random copolymers, with an MFR value according to DIN ISO 1130 from 3 to 200 g / 10min [160 ° C / 2.16 kg] and a melting point according to DIN EN ISO 11357-1 from 60 to 150 ° C and / or a glass transition temperature less than 150 ° C, - a second polymer material (3) which is different from the first polymer material (2), and which has an MFI value according to ß DIN EN ISO 1133 of 200 g / 10 min (190 ° C / 2.16 kg) and of 3 g / 10 min (160 ° C, 2.16 kg), which is an amorphous and / or microcrystalline and / or semi-crystalline and / or liquid-crystalline thermoplastic homopolymer and / or copolymer and / or block copolymer and / or random copolymer, which is present in its starting form and / or by a grafting reaction and / or by an addition reaction and / or by a condensation reaction is modified with at least one functional group, and which is optionally a mixture and / or a blend of several polymers, selected from the group comprising polyamide, polyvinyl chloride, styrene-based polymer, polyurethane, polyolefin, elastomer, in particular rubber, polyvinyl butyral, polyimide and / or polyetherimide and / or polyamide imide and / or a thermoplastic polyimide, polyether ether ketone, polyketone, polyether ketone, polyether ketone ketone, polyaryl ether ketone, polyphenylene sulfide, polyester, bi polymer and / or a polymer from renewable raw materials, ionomer, polycarbonate, acrylate, acetate, ethylene-vinyl alcohol copolymer, acetal, polysulfone, polyether, in particular polyphenylene oxide, polyphenylene sulfide, liquid-crystalline polymer, and fluoropolymer, - a foam-forming agent (4), which at least comprises two different components, and - at least one additive (5).