Impact resistant polyurethane and method of manufacture thereof

Details Impact resistant polyurethane and method of manufacture thereof Impact resistant polyurethane and method of manufacture thereof

C - Chemistry, Metallurgy

08

G

C08G 18/75 (2006.01) C08G 18/10 (2006.01) C08G 18/12 (2006.01) C08G 18/32 (2006.01) C08G 18/42 (2006.01) C08G 18/44 (2006.01)

Patent

CA 2212254

The present invention is an optically clear impact resistant polyurethane which provides exceptionally high heat distortion temperatures and excellent chemical resistance. The invention is particularly useful for transparency applications that require excellent impact resistance coupled with high heat distortion temperatures, such as glazings for buildings, vehicles, riot shields, aircraft canopies, and face masks.

L'invention concerne un polyuréthane résistant aux impacts et optiquement transparent qui possède des caractéristiques exceptionnelles de distorsion thermique aux températures élevées ainsi qu'une excellente résistance aux agents chimiques. L'invention est particulièrement utile pour des applications de transparence qui requièrent une excellente résistance aux impacts associés à des températures élevées de distorsion thermique, telles que des vitrages pour des bâtiments, des véhicules, des boucliers anti-émeute, des verrières d'aeronef et des masques pour le visage.

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