EP 4334381 A1 20240313 - METHOD FOR FORMING A SYNTACTICALLY FOAMED POLYMER LAYER
Title (en)
METHOD FOR FORMING A SYNTACTICALLY FOAMED POLYMER LAYER
Title (de)
VERFAHREN ZUM AUSFORMEN EINER SYNTAKTISCH GESCHÄUMTEN POLYMERSCHICHT
Title (fr)
PROCÉDÉ POUR FORMER UNE COUCHE POLYMÈRE MOUSSÉE DE MANIÈRE SYNTACTIQUE
Publication
Application
Priority
- DE 102021204631 A 20210506
- EP 2022062372 W 20220506
Abstract (en)
[origin: WO2022234133A1] The invention relates to a method for forming a syntactically foamed polymer layer, comprising the steps of: a) producing or providing a polymer mass comprising a plurality of at least partially expanded microballoons, b) introducing the polymer mass between two carrier layers in order to produce a layer system, and c) calendering the layer system between two calender rolls of a calender in order to form the syntactically foamed polymer layer between the carrier layers, wherein at least one of the calender rolls has a roll diameter in the range of 200 to 400 mm.
IPC 8 full level
CPC (source: EP)
C08J 9/36 (2013.01); C09J 7/10 (2018.01); C08J 2203/22 (2013.01); C08J 2207/02 (2013.01); C08J 2333/04 (2013.01); C08J 2409/06 (2013.01); C08J 2425/02 (2013.01); C08K 9/10 (2013.01); C09J 2301/312 (2020.08); C09J 2301/408 (2020.08); C09J 2301/412 (2020.08); C09J 2400/24 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DE 102021204631 A1 20221110; EP 4334381 A1 20240313; WO 2022234133 A1 20221110
DOCDB simple family (application)
DE 102021204631 A 20210506; EP 2022062372 W 20220506; EP 22730067 A 20220506