Copolymerizable uv stabilizers

Details Copolymerizable uv stabilizers Copolymerizable uv stabilizers

C - Chemistry, Metallurgy

07

C

260/282, 402/33,

C07C 49/84 (2006.01) C07C 45/67 (2006.01) C07D 219/06 (2006.01) C07D 311/86 (2006.01) C07D 319/06 (2006.01) C07D 335/16 (2006.01) C08G 18/32 (2006.01) C08G 18/38 (2006.01) C08G 63/672 (2006.01)

Patent

CA 1247610

ABSTRACT OF THE DISCLOSURE This invention describes UV-stabilized step growth polymers such as polyesters, polyurethanes, polycarbonates, and combinations thereof. The UV-stabilizing moieties present in these polymers comprise chemically bound, pendant ortho-hydroxydiphenyl ketone based moieties. The polymers are especially useful as protective films and fibers which are highly resistant to ultraviolet (UV) and sunlight degradation.

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