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Chain Extendable Urethane Modified Epoxy Oligomer. The chain extendable urethane modified oligomers were prepared by combining equimolar amounts of epoxy-diol adduct and half-blocked diisocyanates, and heating the resulting mixture at 80°C for 4-6 hours until the isocyanate Infrared band disappeared. [Pg.118]

See other pages where Epoxy-diol oligomers, urethane is mentioned: [Pg.119] [Pg.119] [Pg.117] [Pg.273]