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

1998-09-02

2000-10-03

Mullis, Jeffery C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 63, 528 64, C08G 1802

Patent

active

061275050

ABSTRACT:
The present invention is an optically clear, high hardness, 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 architectural glazings vehicles, glazings, riot shields, aircraft canopies, face masks, visors, opthalmic and sun lenses, protective eyewear, and transparent armor.

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