A compound (I) having a molecular weight, determined using MALDI-TOF mass spectrometry, in a range from 600 to 5000 Dalton, consisting of a), b) and c), wherein a) a group W, b) at least one functional group A, and c) at least one functional group B, and wherein each one of the functional groups A and B is connected to the group W, and wherein a summed amount of the number of functional groups A and the number of functional groups B in compound (I) is from 2 to 13,
- and wherein
- the group W consists of at least one functionality selected from the group consisting of aliphatic hydrocarbon functionality, cycloaliphatic hydrocarbon functionality, aromatic hydrocarbon functionality, isocyanurate functionality, iminooxadiazindione functionality, ether functionality, ester functionality, amide functionality, carbonate functionality, urethane functionality, urea functionality, biuret functionality, allophanate functionality, uretdione functionality and any combination thereof,
- and wherein
- the functional groups A has structural formula A:
- wherein
- R1 is H,
- R2, R3 and R4 are independently chosen from H, methyl or ethyl,
- m is 1 to 6,
- R′ and R″ are according to (1) or (2):
- (1) R′=H or an aliphatic hydrocarbon group containing from 1 to 14 carbon atoms, and
- R″=H, an aliphatic hydrocarbon group containing from 1 to 14 carbon atoms, a cycloaliphatic hydrocarbon group containing from 5 to 12 carbon atoms, an aromatic hydrocarbon group containing from 6 to 12 carbon atoms, CH2 0 (C═O) R′″, CH2—O R″″, or CH2 (OCR″″HCR′″″H)˜OR″″″, whereby R′″ is an aliphatic hydrocarbon group containing from 1 to 14 carbon atoms and R″″ is an aliphatic hydrocarbon group containing from 1 to 14 carbon atoms or an aromatic hydrocarbon group containing from 6 to 12 carbon atoms, n being from 1 to 35, R′″″ independently being H or an aliphatic hydrocarbon group containing from 1 to 14 carbon atoms and R″″″ being an aliphatic hydrocarbon group containing from 1 to 4 carbon atoms,
- (2) R′ and R″ form together a saturated cycloaliphatic hydrocarbon group containing from 5 to 8 carbon atoms;
- and
- the functional groups B has structural formula B:
- m′ is an integer from 1 to 6, R5 is H or methyl, X is O or NH, and
- Y′ is a collection of at most 100 atoms covalently connected in linear or branched configuration which collection of atoms consists of i) carbon and hydrogen atoms, or ii) carbon, hydrogen and oxygen atoms.