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Journal of Dental Research, Vol 57, 563-569, Copyright © 1978 by International & American Associations for Dental Research Online Journals
ARTICLES |
A. J. Goldberg, R. G. Craig and F. E. Filisko
A series of polyurethane elastomers based on an aliphatic diisocyanate and a polyether macroglycol was polymerized with various cross-link densities and OH/NCO ratios. Stoichiometries yielding between 8,600 and 12,900 gm/mole/crosslink and an OH/NCO ratio of 1.1 resulted in polymers with the low modulus, yet high strength and elongation necessary for maxillofacial applications.
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