Patent ID: 8377245
Filing Date: 2013-02-19
Classification: B32B,C09J,Y10T

Abstract:
1. A method for bonding components, comprising the steps of: a) applying an adhesive composition comprising an adhesive matrix and an expansion material in particulate form, onto at least one surface of at least one first component, b) bringing the at least one surface of the at least one first component of step a) carrying the adhesive in contact with at least one second component, and c) curing the adhesive composition for producing an adhesive bond comprising an adhesive layer and the at least one first and the at least one second components; wherein the particles of the expansion material are at least partially encapsulated or coated with a shell material or coating material; wherein the shell material or coating material of the encapsulated expansion material comprises an active filler selected from the group consisting of ferromagnetic, ferrimagnetic, superparamagnetic, piezoelectric materials, materials with high thermal capacity, barium titanate, ethylenediaminetartrate, potassium-sodium tartrate, potassium tertrate, lithium sulfate, sodium tartrate, quartz, tourmaline, ferroelectrics with perovskite structure and lead-zirconium titanate, metals including aluminum, cobalt, iron, copper, nickel and their alloys and metal oxides of the type n-maghemite (y-Fe wherein the expansion material comprises an organic expansion material comprising azodicarbonamide (ADC) or an inorganic expansion material comprising expandable graphite (EG).