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Abstract

According to the invention there is provided a method of treating textile fibers including the steps of: providing a polymeric precursor which includes a group of sub-formula (I) where R² and R³ are independently selected from (CR⁷R⁸)_n, or a group CR⁹R¹⁰, CR⁷R⁸CR⁹R¹⁰ or CR⁹R¹⁰CR⁷R⁸ where n is 0, 1 or 2, R⁷ and R⁸ are independently selected from hydrogen, halo or hydrocarbyl, and either one of R⁹ or R¹⁰ is hydrogen and the other is an electron withdrawing group, or R⁹ and R¹⁰ together form an electron withdrawing group, and R⁴ and R⁵ are independently selected from CH or CR¹¹ where R¹¹ is an electron withdrawing group, the dotted lines indicate the presence or absence of a bond, X¹ is a group CX²X³ where the dotted line bond to which it is attached is absent and a group CX² where the dotted line bond to which it is attached is present, Y¹ is a group CY²Y³ where the dotted line bond to which it is attached is absent and a group CY² where the dotted line bond to which it is attached is present, and X², X³, Y² and Y³ are independently selected from hydrogen, fluorine or other substituents, R¹ is selected from hydrogen, halo, nitro, hydrocarbyl, optionally substituted or interposed with functional groups, or —R³-R⁵≡Y¹, and R¹³ is C(O) or S(O)₂; coating the textile fibers with the polymeric precursor; and polymerizing the polymeric precursor so as to produce a polymeric coating on the textile fibers.

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First Claim