Process for coating fibers containing polar moieties

A process for coating a fiber with an adduct between a sp2 hybridized carbon allotrope and a pyrrole derivative,

• wherein the fiber comprises polar moieties,
• wherein said pyrrole derivative is represented by the following Formula (I):
• wherein R1, R2, R3, and R4 are independently selected from the group consisting of:
• hydrogen, linear or branched C1-C22 alkyl, linear or branched C2-C22 alkenyl or alkynyl, aryl, linear or branched C1-C22 alkyl-aryl, linear or branched C2-C22 alkenyl-aryl, linear or branched C2-C22 alkynyl-aryl, and heteroaryl;
• and
• X is selected from the group consisting of:
• wherein:
• R5 and R6 are independently selected from the group consisting of:
• hydrogen, C1-C18 alkyl, linear or branched C2-C18 alkenyl or alkynyl, C1-C18 alkyl-hydroxyl, aryl, linear or branched C1-C22 alkyl-aryl, linear or branched C2-C22 alkenyl-aryl, linear or branched C2-C22 alkynyl-aryl, and heteroaryl;
• or R5 and R6 are independently:
• wherein if only one between R5 or R6 is
• then the other one is selected from the group consisting of:
• hydrogen, C1-C18 alkyl, and linear or branched C2-C18 alkenyl or alkynyl;
• or R5 and R4 are independently selected from the group consisting of:
• hydrogen and one of the following formulae
• wherein
• R7, R7′, R7″, R8 and R8′ are independently selected from the group consisting of:
• C1-C4 alkyl, and C1-C4 oxy-alkyl;
• R15 is selected from the group consisting of:
• hydrogen, linear or branched C1-C22-alkyl, linear or branched C2-C22 alkenyl or alkynyl, aryl, linear or branched C1-C22 alkyl-aryl, linear or branched C2-C22 alkenyl-aryl, linear or branched C2-C22 alkynyl-aryl, linear or branched C2-C22 acyl-alkyl, linear or branched C3-C22 acyl-alkenyl or acyl-alkynyl, acyl-aryl, acyl-alky-aryl with linear or branched C2-C22 acyl-alkyl, acyl-alkenyl-aryl with linear or branched C3-C22 acyl-alkenyl, acyl-alkynyl-aryl with linear or branched C3-C22 acyl-alkynyl, and heteroaryl, and
• R19 is selected from the group consisting of:
• hydrogen, linear or branched C1-C22 alkyl, linear or branched C2-C22 alkenyl or alkynyl, aryl, linear or branched C1-C22 alkyl-aryl, linear or branched C2-C22 alkenyl-aryl, linear or branched C2-C22 alkynyl-aryl, and heteroaryl;
• R9 is selected from the group consisting of:
• hydrogen, alkyl, aryl, benzyl, amine, alkyl-amine, aryl-amine, benzyl-amine, and amino-aryl;
• R10, R11, R12, R13 and R14 are independently selected from the group consisting of:
• hydrogen, C1-C18 alkyl, linear or branched C2-C18 alkenyl or alkynyl, and 1-(4-aminocyclohexyl)methylene;
• and Y, Z and W are independently selected from a first group consisting of:
• hydrogen, C1-C18 alkyl, linear or branched C2-C18 alkenyl or alkynyl, or from a second group consisting of:
• wherein R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, R32, R33, R34, R35 and R36 are independently selected from the group consisting of:
• hydrogen, C1-C18 alkyl, linear or branched C2-C18 alkenyl or alkynyl, aryl, linear or branched C1-C22 alkyl-aryl, linear or branched C2-C22 alkenyl-aryl, linear or branched C2-C22 alkynyl-aryl, heteroaryl, and carboxyl:
• e is an integer of from 1 to 4, and a, b, c, d, f, and g are, independently from one another, an integer of from 1 to 12;
• and wherein at least one from Y, W, and Z is selected in said second group;
• said process comprising:
• a) mixing said fiber and said adduct and b) providing energy through thermal or thermo-mechanical treatment;
• wherein in the mixing a) a weight ratio of said fiber to said adduct is greater than 1.