Coating composition and coated substrate with good heat stability and colour

摘要

Coating composition comprising one or more resins and an effective amount of one or more degassing compounds according to structure I, II, III, IV and/or V: chemistry chemdraw filechemistry mol file;wherein: ;R₁, R₂ and R₃ may be hydrogen, a (un)substituted alkyl or aryl group with 1-20 carbon atoms and optionally one or more hetero atoms, X is a hetero atom chosen from B, N, O, Si, P, S or Se, with the proviso that wherein XO, R₂ is not hydrogen; ;or chemistry chemdraw filechemistry mol file;wherein: ;R₄ may be hydrogen, a (un)substituted alkyl or aryl group with 1-20 carbon atoms and optionally one or more hetero atoms; ;or chemistry chemdraw filechemistry mol file;wherein: ;R₂ may be hydrogen, a substituted or unsubstituted alkyl group with 1-20 carbon atoms and optionally one or more hetero atoms, or a substituted or unsubstituted aryl group with 1-20 carbon atoms and optionally one or more hetero atoms, R₅ and R₆ may be hydrogen, a (un)substituted alkyl or aryl group with 1-20 carbon atoms, with the proviso that when n0, XO and R₂ is hydrogen, R₅ and R₆ are not at the same time hydrogen, ;X is a hetero atom chosen from B, N, O, Si, P, S or Se; ;or chemistry chemdraw filechemistry mol file;wherein: ;P and Q are are hydrogen or ortho-, para-directing substituent groups, with the proviso that when n0, P and Q are not hydrogen at the same time; ;or chemistry chemdraw filechemistry mol file;wherein: ;R₇ is hydrogen, a substituted or unsubstituted alkyl or aryl group with 1-20 carbon atoms and optionally one or more hetero atoms.