| http://www.w3.org/ns/prov#value | - Such polymer modified polyols have been fully described in the prior art and include products obtained by the in situ polymerisation of one or more vinyl monomers, for example acrylonitrile and styrene, in polyoxyalkylene polyols or by the in situ reaction between a polyisocyanate and an amino-or hydroxy-functional compound, for example triethanolamine, in the polyoxyalkylene.
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