3Qin C, Cai W. Damping properties and morphology of polyurethane/ vinyl ester resin interpenetrating polymer network. Materials Chemistry and Physics, 2004, 85(2 -3) :408 -409.
4Sebenik U, Golob J, Krajnc M. Comparison of properties of acrylicpolyurethane hybrid emulsions prepared by batch and semibatch processes with monomer emulsion feed. Polymer International, 2003, 52:740 -748.
5Visser S A. Morphology property correlations in model polyurethane ionomers. Diss Abstr Int B, 1991,52 (4) : 2068 -2069.