Injection moldable polyurethanes

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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Details

260 75NE, 260 775AA, 260 775AN, C08G 1828, C08G 1800

Patent

active

040511111

ABSTRACT:
Novel polyurethanes particularly useful in forming injection molded articles having a good balance of physical properties including, particularly, greater stiffness, low temperature impact and elevated heat distortion resistance are obtained by reacting hydroxyl-terminated polyesters or polylactones having molecular weights greater than about 2800, a cyclic diisocyanate and an aliphatic diol at decreased reaction temperatures.

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