Dsm Resins B.v.

Robertus G Berenbak

Johannes T Evers

The invention relates to crystalline unsaturated polyester, consisting of segments derived from a mainly hydroxy-terminated, unsaturated polyester, bound through urethane bonds to units derived from a (poly)isocyanate and further, if desired, in an amount that is at most relatively small, units, bound via urethane bonds, that are derived from a diol containing between 2 and 12 carbon atoms and/or from a diamine containing between 2 and 12 carbon atoms and/or from an alkanolamine containing between 2 and 12 carbon atoms.

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Hoek van Hollan, Netherlands

Robertus G Berenbak