Compositions changing color, multicolor, photoactive, and UV dosimeters

An ink, coating, plastic, or printed article photoactive color changing and comprising: A) an organic polymer and B) from about 2 to about 75% by weight, based on the total weight of components A and B, a composition change photoactive Color multicolored comprising, a) from 1 to 5 parts by weight of one or more photochromic materials such as photochromic organic dye, especially a photochromic dye, spiropyran or spirooxazine, b) from 1 to 20 parts by weight of one or more photolatent phenolic acids, c) from 1 to 10 parts by weight of one or more formers sensitive chromogenic color formulaen wherein R1 and R2 each independently are C6 14 aryl or 5 -C 14 heteroaryl, wherein sustituidospor both optionally one or more C1-C12alkyl, C1 12 alkoxy, C 1 -C 12 dialkylamino, C1-C12alquilamino, C6 14 aryl, C6-C14arilamino, di (C1-C14aril) amino or halogen; or R1 and R2 together form a ring or ring system optionally comprising one Prompter from the group consisting of selected OS and / or N heteroatoms; m and n are each an integer 0 or 1, lacondicion that n is 1 and m is 0; X is CH or N; and E denotes a ring or ring system C6 14 aryl or C5-C14heteroarilo, wherein the ring or ring system C6 14 aryl or C5-C14heterarilo is optionally substituted by one or more C1-C12alkyl, C1-C12alkoxy, C1-C12alquilamino , C1-12 dialkylamino, NO2, CN or halogen.