| abstract |
The invention relates to a curable benzoxazine macromonomer containing at least 3 benzoxazine rings and at least one aliphatic, heteroaliphatic, araliphatic, heteroaraliphatic, aromatic or heteroaromatic fragment comprising a shortest atom chain containing at least 40 consecutive atoms betwen two benzoxazine nitrogen atoms or between two benzoxazine oxygen atoms, and said atom chain must not include any oxazine ring atoms ('soft fragment'). The invention further relates to cured products made thereof and a method or producing the same. |