Cole, K. C., P. Van Gheluwe, C. L. Dueck, P Martineau and J. Leroux.1988. "Thermal and FT-IR Analysis of the Polyurethane Foaming Reaction: The Effect of the Isocyanate Index,"Proceedings Int. SPI Conf.
2.
Harthcock, M. A.1989. "Probing the Complex Hydrogen Bonding Structure of Urethane Block Copolymers and Various Acid Containing Copolymers Using Infra-Red Spectroscopy,"Polymer, 30:1234-1242.
3.
Coleman, M. M., D. J. Skrovanek, J. Hu and P. C. Painter.1988 . "Hydrogen Bonding in Polymer Blends. 1. FTIR Studies of Urethane-Ether Blends,"Macromolecules, 21(Nr1):59-65.
4.
Brunette, C. M., S. L. Hsu and W. J. MacKnight.1982. "Hydrogen-Bonding Properties of Hard Segment Model Compounds in Polyurethane Block Copolymers,"Macromolecules , 15(Nr1):71-77.
5.
Lee, H. S., Y. K. Wang, W. J. MacKnight and S. L. Hsu.1988 . "Spectroscopic Analysis of Phase-Separation. Kinetics in Model Polyurethanes,"Macromolecules , 21(Nr1):270-273.
6.
Bailey, F. E. and F. E. Critchfield.1981. "Chemical Reaction Sequence in the Formation of Water-Blown, Urethane Foam,"J. Cell. Plast., 17(6):333-339.
7.
Rossmy, G., H. J. Kollmeier, W. Lidy, H. Schator and M. Wiemann.1981. "Mechanism of the Stabilisation of Flexible Polyether Polyurethane Foams by Silicone-Based Surfactants,"J. Cell. Plast., 17(6):319-327.
8.
Hocker, J.1980. "Structural Investigation of Polyurethanes: Infrared Spectroscopic Investigations of Monomeric and Polymeric N,N'-Diaryl Ureas,"J. Appl. Pol. Sc., 25:2879-2889.