C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/35 (2006.01) C07D 498/06 (2006.01) C08K 3/00 (2006.01) C08K 5/00 (2006.01) C08L 101/00 (2006.01)
Patent
CA 2708081
The invention relates to a curable composition comprising: at least one benzoxazine and at least one toughening additive which can be bound to the at least one benzoxazine in the curing process, characterized in that the toughening additive is distributed in the cured composition in form of discrete domains, and that at least 50% of the discrete domains related to the total amount of discrete domains having a maximum length in any direction of space in the range of 10 nm to 500 nm as determined by transmission electron microscopy (TEM).
L'invention concerne une composition durcissable comprenant: au moins une benzoxazine et au moins un additif durcisseur pouvant se lier à au moins une benzoxazine pendant le durcissement, caractérisée en ce que l'additif durcisseur est réparti dans la composition durcie sous forme de domaines séparés, et que au moins 50% de ces domaines séparés par rapport à leur quantité totale ont, dans quelque direction spatiale que ce soit, une longueur maximale comprise entre 10 nm et 500 nm, comme déterminé par microscopie électronique à transmission (MET).
Kreiling Stefan
Lehmann Stanley Leroy
Schonfeld Rainer
Taden Andreas
Henkel Ag & Co. Kgaa
Henkel Corporation
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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