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Derivatives of Phenylene-1,2-diamine as Modifiers for Unsaturated Polyester Resins

Renata Lubczak, Jerzy Duliban


The results are presented on the synthesis of new modifiers for unsaturated polyester resins, obtained by reacting ethylene oxide or propylene oxide with phenylene-1,2-diamine. The effect of the modifiers and cobalt accelerator on the reactivity of resins was also studied. When used in the amount of up to 1.50 wt.-%, the amines substantially (several times) reduced the gelation time of modified unsaturated polyesters. The reactivity of resins, however, improved on the expense of their stability.


Unsaturated polyester resins; amine modifiers; modification of polyester resins

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Copyright (c) 2020 Renata Lubczak, Jerzy Duliban

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