EP 4214255 A1 20230726 - REACTIVE COMPOUND FOR PRODUCING POLYURETHANE LAYERS HAVING THERMALLY ACTIVATABLE CATALYST SYSTEMS
Title (en)
REACTIVE COMPOUND FOR PRODUCING POLYURETHANE LAYERS HAVING THERMALLY ACTIVATABLE CATALYST SYSTEMS
Title (de)
REAKTIVMASSE ZUR HERSTELLUNG VON POLYURETHANSCHICHTEN MIT THERMISCH AKTIVIERBAREN KATALYSATORSYSTEMEN
Title (fr)
COMPOSÉ RÉACTIF POUR LA PRODUCTION DE COUCHES DE POLYURÉTHANE AYANT DES SYSTÈMES DE CATALYSEUR POUVANT ÊTRE ACTIVÉS THERMIQUEMENT
Publication
Application
Priority
- DE 102020211572 A 20200915
- DE 2021200113 W 20210819
Abstract (en)
[origin: WO2022057985A1] The present invention relates to reactive compounds for producing polyurethane layers, which reactive compounds comprise: an isocyanate component consisting of at least one polyfunctional isocyanate, of an oligomer of a polyfunctional isocyanate, or of an isocyanate prepolymer; a polyol component consisting of at least one polyol; and a catalyst system which has a metal-based catalyst on the basis of a salt or an organometallic compound and a diketo compound having a melting point of ≥ 15°C. The catalyst system is characterised by low toxicity and very low reactivity in processing conditions, but can be activated by an increase in temperature, such that the most thoroughly reacted polyurethanes can be formed in a short time. The present invention also relates to methods for producing such polyurethane layers, polyurethane layers produced from the reactive compounds, and composite structures containing such polyurethane layers. The present invention further relates to the use of the specified catalyst system for reacting polyols and polyisocyanates.
IPC 8 full level
C08G 18/10 (2006.01); C08G 18/22 (2006.01); C08G 18/48 (2006.01); C08G 18/76 (2006.01); C09D 175/08 (2006.01)
CPC (source: EP US)
C08G 18/10 (2013.01 - EP); C08G 18/222 (2013.01 - EP); C08G 18/225 (2013.01 - EP); C08G 18/227 (2013.01 - EP US); C08G 18/24 (2013.01 - US); C08G 18/4812 (2013.01 - EP US); C08G 18/7671 (2013.01 - EP); C08J 7/0427 (2020.01 - US); C09D 175/08 (2013.01 - EP US); C08J 2375/08 (2013.01 - US)
Citation (search report)
See references of WO 2022057985A1
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 102020211572 A1 20220317; CN 116096772 A 20230509; EP 4214255 A1 20230726; US 2023406990 A1 20231221; WO 2022057985 A1 20220324
DOCDB simple family (application)
DE 102020211572 A 20200915; CN 202180062469 A 20210819; DE 2021200113 W 20210819; EP 21769054 A 20210819; US 202118245311 A 20210819