SEARCH Articles Figures Tables Additives for the Modification of Poly(ethylene Terephthalate) to Produce Engineering-grade Polymer Azines—continued poly-, covalent addition Michael additions poly Poly , additives Primers Poly , delay addition Poly addition Poly addition Poly addition Reactions Poly additions, monomers Poly chemically reactive additives Poly continuous addition, emulsion Poly diol addition Poly film reversible addition Poly imide addition type