Uv-absorbing condensation polymeric compositions and...

Details Uv-absorbing condensation polymeric compositions and... Uv-absorbing condensation polymeric compositions and...

C - Chemistry, Metallurgy

08

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C08G 63/68 (2006.01) C08G 63/52 (2006.01) C08G 63/685 (2006.01) C08G 63/688 (2006.01) C08G 69/48 (2006.01)

Patent

CA 1261532

UV-ABSORBING CONDENSATION POLYMERIC COMPOSITIONS AND PRODUCTS THEREFROM Abstract of the Disclosure Polyester compositions useful in formed articles such as beverage bottles and having condensation reacted therein at least one UV-absorbing compound of the formula Image wherein: R is hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, cycloalkyl, substituted cycloalkyl, or alkenyl: R1 is hydrogen, or alkyl, aryl, or cycloalkyl, all of which may be substituted; R2 is hydrogen, or alkyl, cycloalkyl or aryl, all of which may be substituted R3 is hydrogen or 1-3 substituents; and P is cyano or a group such as carbamoyl, aryl, alkylsulfonyl, arylsulfonyl, alkanoyl or aroyl, all of which groups may be substituted; whereby the polyester composition has maximum light radiation absorbance within the range of from about 320 nm to about 380 nm.

501769

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