Patent ID: 11878969
Assignee: COVESTRO (NETHERLANDS) B.V.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 14:
15. The multi-aziridine compound according to claim 1, wherein the multi-aziridine compound is according to the following structural formula:, in which Z is a molecular residue obtained by removing isocyanate reactive groups XH of a molecule;
q is an integer from 2 to 6;
i is an integer from 1 to q;
Di independently have the following structural formula, in which X is NR11, S or O, whereby R11 is H or an alkyl group with 1 to 4 carbon atoms;
Y is an aromatic hydrocarbon group, an aliphatic hydrocarbon group, a cycloaliphatic hydrocarbon group or a combination thereof;
j is an integer from 1 to p;
p is an integer from 0 to 10;
m, R′, R″, R1, R2, R3 and R4 are as defined above.