The present application relates to a thermally expandable composition containing at least one peroxide cross-linking polymer, at least one peroxide and at least one endothermic, chemical blowing agent, the blowing agent comprising at least one solid, optionally functionalized, polycarboxylic acid or the salt thereof and at least one urea derivative according to the formula (I) as defined herein; as well as shaped bodies containing the composition and to a method for sealing and filling voids in components, for strengthening or reinforcing components, in particular hollow components, and for bonding mobile components using shaped bodies of this type.
THERMISCH EXPANDIERBARE ZUSAMMENSETZUNGEN MIT HARNSTOFF-DERIVATEN
THERMALLY EXPANDABLE COMPOSITIONS CONTAINING UREA DERIVATIVES
COMPOSITIONS EXPANSIBLES THERMIQUEMENT COMPRENANT DES DÉRIVÉS D'URÉE
2020-06-24
Patent
Elektronische Ressource
Deutsch
IPC: | C08J Verarbeitung , WORKING-UP / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B62D MOTOR VEHICLES , Motorfahrzeuge / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
THERMISCH EXPANDIERBARE ZUSAMMENSETZUNGEN MIT HARNSTOFF-DERIVATEN
Europäisches Patentamt | 2017
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