Waste poly(ethylene terephthalate) (PET) solvolyzates prepared with mono and polyhydroxy alcohols, esters (transesterification), primary amines (aminolysis) or tertiary alkanolamines (aminoglycolysis) could yield water alkyd paints, unsaturated polyester resins, curing agents for epoxy resins, components for epoxy materials like adhesives, spread coating masses, etc.